Bump to 4.3.4

Fixes https://github.com/qbittorrent/qBittorrent/issues/12892#issuecomment-792292336

.github/FUNDING.yml

@@ -0,0 +1 @@
+custom: "https://www.qbittorrent.org/donate.php"

.github/workflows/ci.yaml

@@ -8,16 +8,13 @@ on:
   push:
     branches: [ master ]
   pull_request:
-    types: [edited, opened, reopened, synchronize]
     branches: [ master ]
 
 env:
-  # Qt: 5.15.0
-  # libtorrent: RC_1_2 HEAD, 1.2.10
-  VCPKG_COMMIT: 32eccc18191fbb57b159784a1724d2d00613ae82
+  VCPKG_COMMIT: e4ce66eecfd3e5cca5eac06c971921bf8e37cf88
   VCPKG_DEST_MACOS: /Users/runner/qbt_tools/vcpkg
   VCPKG_DEST_WIN: C:\qbt_tools\vcpkg
-  LIBTORRENT_VERSION_TAG: libtorrent-1.2.10
+  LIBTORRENT_VERSION_TAG: v1.2.12
 
 jobs:
 
@@ -26,7 +23,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-18.04]
+        os: [ubuntu-20.04]
         qbt_gui: ["GUI=ON", "GUI=OFF"]
       fail-fast: false
 
@@ -72,7 +69,7 @@ jobs:
     - name: upload artifact as zip
       uses: actions/upload-artifact@v2
       with:
-        name: qBittorrent-CI-Ubuntu_${{ matrix.os }}-${{ matrix.qbt_gui }}
+        name: qBittorrent-CI_${{ matrix.os }}-x64_${{ matrix.qbt_gui }}
         path: |
           build/compile_commands.json
           build/target_graph.dot
@@ -125,10 +122,15 @@ jobs:
           "qt5-svg:x64-windows-static-release",
           "qt5-tools:x64-windows-static-release",
           "qt5-winextras:x64-windows-static-release"
+        ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg.exe upgrade `
+            --overlay-triplets=${{ github.workspace }}/triplets_overlay `
+            --overlay-ports=${{ github.workspace }}/vcpkg `
+            --no-dry-run
         foreach($package in $packages)
         {
           ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg.exe install $package `
             --overlay-triplets=${{ github.workspace }}/triplets_overlay `
+            --overlay-ports=${{ github.workspace }}/vcpkg `
             --clean-after-build
         }
 
@@ -151,7 +153,7 @@ jobs:
     - name: upload artifact as zip
       uses: actions/upload-artifact@v2
       with:
-        name: qBittorrent-CI-Windows_x64-static-release
+        name: qBittorrent-CI_Windows-x64
         path: |
           build/compile_commands.json
           build/target_graph.dot
@@ -178,11 +180,11 @@ jobs:
       uses: actions/checkout@v2
 
     # - ninja is needed for building qBittorrent (because it's preferrable, not a hard requirement)
-    # - pkg-config is needed for some vcpkg installations
+    # - automake is needed for the installation the vcpkg installation of fontconfig, a dependency of qt5-base
     - name: install additional required packages with homebrew
       shell: bash
       run: |
-        brew install ninja pkg-config
+        brew install automake ninja
 
     - name: setup vcpkg (cached, if possible)
       uses: lukka/run-vcpkg@v4
@@ -197,14 +199,7 @@ jobs:
         Copy-Item ${{ env.RUNVCPKG_VCPKG_ROOT }}/triplets/x64-osx.cmake `
           ${{ github.workspace }}/triplets_overlay/x64-osx-release.cmake
         Add-Content ${{ github.workspace }}/triplets_overlay/x64-osx-release.cmake `
-          -Value "set(VCPKG_BUILD_TYPE release)"
-
-    # NOTE: Avoids a libtorrent ABI issue. See https://github.com/arvidn/libtorrent/issues/4965
-    - name: force AppleClang to compile libtorrent with C++14
-      run: |
-        (Get-Content -path ${{ env.RUNVCPKG_VCPKG_ROOT }}/ports/libtorrent/portfile.cmake).Replace( `
-          '${FEATURE_OPTIONS}', '${FEATURE_OPTIONS} -DCMAKE_CXX_STANDARD=14') `
-          | Set-Content -Path ${{ env.RUNVCPKG_VCPKG_ROOT }}/ports/libtorrent/portfile.cmake
+          -Value "set(VCPKG_BUILD_TYPE release)","set(VCPKG_OSX_DEPLOYMENT_TARGET 10.15)"
 
     - name: install dependencies via vcpkg
       run: |
@@ -215,10 +210,15 @@ jobs:
           "qt5-svg:x64-osx-release",
           "qt5-tools:x64-osx-release",
           "qt5-macextras:x64-osx-release"
+        ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg upgrade `
+            --overlay-triplets=${{ github.workspace }}/triplets_overlay `
+            --overlay-ports=${{ github.workspace }}/vcpkg `
+            --no-dry-run
         foreach($package in $packages)
         {
           ${{ env.RUNVCPKG_VCPKG_ROOT }}/vcpkg install $package `
             --overlay-triplets=${{ github.workspace }}/triplets_overlay `
+            --overlay-ports=${{ github.workspace }}/vcpkg `
             --clean-after-build
         }
 
@@ -236,7 +236,7 @@ jobs:
     - name: upload artifact as zip
       uses: actions/upload-artifact@v2
       with:
-        name: qBittorrent-CI-macOS_x64-static-release_${{ matrix.qbt_gui }}
+        name: qBittorrent-CI_macOS_${{ matrix.qbt_gui }}
         path: |
           build/compile_commands.json
           build/target_graph.dot

.github/workflows/file_health.sh

@@ -12,62 +12,72 @@ regressions=0
 exclusions_nonutf8='(.*(7z|gif|ic(ns|o)|png|qm|zip))'
 exclusions_bom='src/base/unicodestrings.h'
 exclusions_tw='(*.ts)|src/webui/www/private/scripts/lib/mootools-1.2-more.js'
+exclusions_trailing_newline='configure'
 exclusions_no_lf='(*.ts)|(.*svg)|compile_commands.json|src/webui/www/private/scripts/lib/mootools-1.2-(core-yc.js|more.js)'
 
-echo -e "*** Detect files not encoded in UTF-8 ***\n"
+echo -e "\n*** Detect files not encoded in UTF-8 ***\n"
 
 find . -path ./build -prune -false -o -path ./.git -prune -false -o -type f -exec file --mime {} \; | sort \
     | grep -v -e "charset=us-ascii" -e "charset=utf-8" | cut -d ":" -f 1 \
     | grep -E -v -e "${exclusions_nonutf8}" \
-    | tee >(echo -e "\n--> Files not encoded in UTF-8: found" "$(wc -l < /dev/stdin)" "regression(s)") \
+    | tee >(echo -e "--> Files not encoded in UTF-8: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'
 regressions=$((regressions+$?))
 
-echo -e "*** Detect files encoded in UTF-8 with BOM ***\n"
+echo -e "\n*** Detect files encoded in UTF-8 with BOM ***\n"
 
 grep --exclude-dir={.git,build} -rIl $'\xEF\xBB\xBF' | sort \
     | grep -E -v -e "${exclusions_bom}" \
-    | tee >(echo -e "\n--> Files encoded in UTF-8 with BOM: found" "$(wc -l < /dev/stdin)" "regression(s)") \
+    | tee >(echo -e "--> Files encoded in UTF-8 with BOM: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'
 regressions=$((regressions+$?))
 
-echo -e "*** Detect usage of CR byte ***\n"
+echo -e "\n*** Detect usage of CR byte ***\n"
 
 grep --exclude-dir={.git,build} -rIlU $'\x0D' | sort \
-    | tee >(echo -e "\n--> Usage of CR byte: found" "$(wc -l < /dev/stdin)" "regression(s)") \
+    | tee >(echo -e "--> Usage of CR byte: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'
 regressions=$((regressions+$?))
 
-echo -e "*** Detect trailing whitespace in lines ***\n"
+echo -e "\n*** Detect trailing whitespace in lines ***\n"
 
 grep --exclude-dir={.git,build} -rIl "[[:blank:]]$" | sort \
     | grep -E -v -e "${exclusions_tw}" \
-    | tee >(echo -e "\n--> Trailing whitespace in lines: found" "$(wc -l < /dev/stdin)" "regression(s)") \
+    | tee >(echo -e "--> Trailing whitespace in lines: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0';
 regressions=$((regressions+$?))
 
-echo -e "*** Detect too many trailing newlines ***\n"
+echo -e "\n*** Detect too many trailing newlines ***\n"
 
 find . -path ./build -prune -false -o -path ./.git -prune -false -o -type f -exec file --mime {} \; | sort \
     | grep -e "charset=us-ascii" -e "charset=utf-8" | cut -d ":" -f 1 \
+    | grep -E -v -e "${exclusions_trailing_newline}" \
     | xargs -L1 -I my_input bash -c 'test "$(tail -q -c2 "my_input" | hexdump -C | grep "0a 0a")" && echo "my_input"' \
-    | tee >(echo -e "\n--> Too many trailing newlines: found" "$(wc -l < /dev/stdin)" "regression(s)") \
+    | tee >(echo -e "--> Too many trailing newlines: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'
 regressions=$((regressions+$?))
 
-echo -e "*** Detect no trailing newline ***\n"
+echo -e "\n*** Detect no trailing newline ***\n"
 
 find . -path ./build -prune -false -o -path ./.git -prune -false -o -type f -exec file --mime {} \; | sort \
     | grep -e "charset=us-ascii" -e "charset=utf-8" |  cut -d ":" -f 1 \
     | grep -E -v -e "${exclusions_no_lf}" \
     | xargs -L1 -I my_input bash -c 'test "$(tail -q -c1 "my_input" | hexdump -C | grep "0a")" || echo "my_input"' \
-    | tee >(echo -e "\n--> No trailing newline: found" "$(wc -l < /dev/stdin)" "regression(s)") \
+    | tee >(echo -e "--> No trailing newline: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
+    | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'
+regressions=$((regressions+$?))
+
+echo -e "\n*** Detect translation closing tag in new line ***\n"
+
+grep --exclude-dir={.git,build} -nri "^</translation>" | sort \
+    | cut -d ":" -f 1,2 \
+    | tee >(echo -e "--> Translation closing tag in new line: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'
 regressions=$((regressions+$?))
 
 if [ "$regressions" -ne 0 ]; then
     regressions=1
-    echo "File health regressions found. Please fix them (or add them as exclusions)."
+    echo "\nFile health regressions found. Please fix them (or add them as exclusions)."
 else
     echo "All OK, no file health regressions found."
 fi

.github/workflows/file_health.yaml

@@ -1,17 +1,12 @@
 name: GitHub Actions file health check
 
-on:
-  push:
-    branches: [ '**' ]
-  pull_request:
-    types: [edited, opened, reopened, synchronize]
-    branches: [ '**' ]
+on: [pull_request, push]
 
 jobs:
   check_file_health:
     name: Check file health
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: checkout repository

.gitignore

@@ -4,6 +4,7 @@ src/qbittorrent
 src/qbittorrent-nox
 src/release
 src/debug
+src/base/version.h
 CMakeLists.txt.user*
 qbittorrent.pro.user*
 conf.pri

.travis.yml

@@ -4,7 +4,8 @@ os:
   - linux
   - osx
 
-dist: bionic
+dist: focal
+osx_image: xcode12.2
 
 env:
   matrix:
@@ -16,6 +17,11 @@ env:
     - secure: "OI9CUjj4lTb0HwwIZU5PbECU3hLlAL6KC8KsbwohG8/O3j5fLcnmDsK4Ad9us5cC39sS11Jcd1kDP2qRcCuST/glVNhLkcjKkiQerOfd5nQ/qL4JYfz/1mfP5mdpz9jHKzpLUIG+TXkbSTjP6VVmsb5KPT+3pKEdRFZB+Pu9+J8="
     - coverity_branch: coverity_scan
 
+jobs:
+  include:
+  - env: libt_branch=RC_2_0 gui=true build_system=qmake
+    os: linux
+
 notifications:
   email:
     on_success: change
@@ -39,8 +45,7 @@ addons:
   apt:
     sources:
       # sources list: https://github.com/travis-ci/apt-source-safelist/blob/master/ubuntu.json
-      - sourceline: 'ppa:qbittorrent-team/qbt-libtorrent-travisci'
-      - sourceline: 'deb https://apt.kitware.com/ubuntu/ bionic main'
+      - sourceline: 'deb https://apt.kitware.com/ubuntu/ focal main'
         key_url: 'https://apt.kitware.com/keys/kitware-archive-latest.asc'
     packages:
       # packages list: https://github.com/travis-ci/apt-package-safelist/blob/master/ubuntu-trusty
@@ -69,6 +74,8 @@ before_install:
       # TravisCI installs its own cmake to another location which ovverides other installations
       # if they don't call the new binary directly
       alias cmake="/usr/bin/cmake"
+
+      export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
     fi
   - |
     if [ "$TRAVIS_OS_NAME" = "osx" ]; then
@@ -99,8 +106,8 @@ install:
 
       brew update > /dev/null
       brew upgrade cmake
-      brew install ccache colormake boost openssl qt zlib
-      brew link --force qt zlib
+      brew install ccache colormake boost openssl qt@5 zlib
+      brew link --force qt@5 zlib
 
       if [ "$build_system" = "cmake" ]; then
         sudo ln -s /usr/local/opt/qt/mkspecs /usr/local/mkspecs
@@ -114,20 +121,34 @@ install:
       ccache -V && ccache --show-stats && ccache --zero-stats
     fi
   - |
-    if [ "$libt_branch" = "RC_1_2" ] && [ "$TRAVIS_OS_NAME" = "linux" ]; then
-      # Will install latest 1.2.x daily build from the PPA
-      sudo apt-get -y install libtorrent-rasterbar-dev
-    fi
-  - |
-    if [ "$libt_branch" = "RC_1_2" ] && [ "$TRAVIS_OS_NAME" = "osx" ]; then
-      # building libtorrent manually should be faster than using the official bottle
-      # because the bottle will also pull in a lot of updated dependencies and prolong the overall time
+    if [ "$libt_branch" = "RC_1_2" ]; then
       pushd "$HOME"
       git clone --single-branch --branch RC_1_2 https://github.com/arvidn/libtorrent.git
       cd libtorrent
-      git checkout tags/v1.2.10
+      git checkout tags/v1.2.12
 
-      cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=14 -Ddeprecated-functions=OFF -DOPENSSL_ROOT_DIR="$openssl_root_path" ./
+      cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_CXX_STANDARD=17 \
+        -Ddeprecated-functions=OFF \
+        -DOPENSSL_ROOT_DIR="$openssl_root_path" \
+        ./
+      make
+      sudo make install
+      popd
+    elif [ "$libt_branch" = "RC_2_0" ]; then
+      pushd "$HOME"
+      git clone --single-branch --branch RC_2_0 https://github.com/arvidn/libtorrent.git
+      cd libtorrent
+      git checkout tags/v2.0.2
+      git submodule update --init --recursive
+
+      cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_CXX_STANDARD=17 \
+        -Ddeprecated-functions=OFF \
+        -DOPENSSL_ROOT_DIR="$openssl_root_path" \
+        ./
       make
       sudo make install
       popd

AUTHORS

@@ -119,7 +119,7 @@ Translations authors:
   - German: Niels Hoffmann (zentralmaschine@users.sourceforge.net)
   - Greek: Tsvetan Bankov (emerge_life@users.sourceforge.net), Stephanos Antaris (santaris@csd.auth.gr), sledgehammer999(hammered999@gmail.com) and Γιάννης Ανθυμίδης Evropi(Transifex)
   - Hebrew: David Deutsch (d.deffo@gmail.com)
-  - Hungarian: Majoros Péter (majoros.j.p@t-online.hu)
+  - Hungarian: Majoros Péter
   - Italian: bovirus (bovirus@live.it) and Matteo Sechi (bu17714@gmail.com)
   - Japanese: Masato Hashimoto (cabezon.hashimoto@gmail.com)
   - Korean: Jin Woo Sin (jin828sin@users.sourceforge.net)

CMakeLists.txt

@@ -3,7 +3,6 @@ cmake_minimum_required(VERSION 3.16 FATAL_ERROR) # Policies <= CMP0097 default t
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)
 
 project(qBittorrent
-    VERSION 4.3.1.0
     DESCRIPTION "The qBittorrent BitTorrent client"
     HOMEPAGE_URL "https://www.qbittorrent.org/"
     LANGUAGES CXX
@@ -11,14 +10,15 @@ project(qBittorrent
 
 # use CONFIG mode first in find_package
 set(CMAKE_FIND_PACKAGE_PREFER_CONFIG ON)
-# version requirements
-set(requiredBoostVersion 1.40)
-set(requiredQtVersion 5.9.0)
-set(requiredOpenSSLVersion 1.0)
-set(requiredLibtorrentVersion 1.2.0)
-set(requiredZlibVersion 1.2.5.2)
+# version requirements - older vesions may work, but you are on your own
+set(minBoostVersion 1.65)
+set(minQtVersion 5.12)
+set(minOpenSSLVersion 1.1.1)
+set(minLibtorrentVersion 1.2.12)
+set(minZlibVersion 1.2.11)
 
 # features (some are platform-specific)
+include(CheckCXXSourceCompiles) # TODO: migrate to CheckSourceCompiles in CMake >= 3.19
 include(FeatureSummary)
 include(FeatureOptionsSetup)
 feature_option(STACKTRACE "Enable stacktraces" ON)
@@ -34,12 +34,22 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
         "Install systemd service file to a directory manually overridable with Systemd_SERVICES_INSTALL_DIR"
         OFF "NOT GUI" OFF
     )
+    if (STACKTRACE)
+        check_cxx_source_compiles(
+            "#include <execinfo.h>
+            int main(){return 0;}"
+            QBITTORRENT_HAS_EXECINFO_H
+        )
+        if (NOT QBITTORRENT_HAS_EXECINFO_H)
+            message(FATAL_ERROR "execinfo.h header file not found.\n"
+                "Please either disable the STACKTRACE feature or use a libc that has this header file, such as glibc (GNU libc)."
+            )
+        endif()
+    endif()
 elseif (MSVC)
     feature_option(MSVC_RUNTIME_DYNAMIC "Use MSVC dynamic runtime library (-MD) instead of static (-MT)" ON)
 endif()
 
-set(QBT_VER_STATUS "alpha1" CACHE STRING "Project status version. Should be empty for release builds.")
-
 include(GNUInstallDirs)
 add_subdirectory(src)
 add_subdirectory(dist)
@@ -49,3 +59,6 @@ if (VERBOSE_CONFIGURE)
 else()
     feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES)
 endif()
+
+# Generate version header
+configure_file("src/base/version.h.in" "${CMAKE_CURRENT_SOURCE_DIR}/src/base/version.h" @ONLY)

CODING_GUIDELINES.md

@@ -372,7 +372,7 @@ Example:
 
 ## 8. Include guard
 
-`#pragma once` should be used instead of "include guard" in new code:
+`#pragma once` must be used instead of a "classic include guard":
 
 ```c++
 // examplewidget.h

Changelog

@@ -1,3 +1,87 @@
+Tue Mar 23 2021 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.3.4
+    - FEATURE: Add ability to prioritize selected items by shown file order (Chocobo1)
+    - FEATURE: Allow tab to escape the text box in "Edit trackers" dialog (Christoph Rackwitz)
+    - FEATURE: Support sub-sorting in Transferlist (jagannatharjun)
+    - FEATURE: Expose ToS setting from libtorrent (Chocobo1)
+    - FEATURE: Improve tracker entries handling (glassez)
+    - BUGFIX: Drop extension from generated content folder name (glassez)
+    - BUGFIX: Change qBittorrent Updater window title (xavier2k6)
+    - BUGFIX: Validate HTTPS Tracker Certificate by default (an0n666)
+    - BUGFIX: Don't let "program update" dialog steal focus (Chocobo1)
+    - BUGFIX: Disable expand on double click in TorrentContentTreeView (jagannatharjun)
+    - BUGFIX: Add hyperlink to Transifex on translator list (Si Yong Kim)
+    - BUGFIX: Enlarge "speed limit" icon slightly (Chocobo1)
+    - BUGFIX: Don't prevent system sleep due to errored torrents (dyumin)
+    - BUGFIX: Use stable sorting in transfer list (Chocobo1)
+    - BUGFIX: Allow "missing files" torrents to save more resume data (glassez)
+    - BUGFIX: Restart "missing files" torrents after changing location (glassez)
+    - BUGFIX: Show proper string when torrent availability is not available (Chocobo1)
+    - BUGFIX: Apply "Hide zero/infinity values" to "Time Active", "Down/Up Limit" and ETA columns (Chocobo1)
+    - BUGFIX: Fix potential out-of-bounds access (Chocobo1)
+    - BUGFIX: Make SpeedPlotView averager time aware (jagannatharjun)
+    - BUGFIX: Add a 3-Hour graph (jagannatharjun)
+    - BUGFIX: Add an option to disable icons in menus (always disabled on MacOS) (Michał Kopeć)
+    - BUGFIX: Improve detection of filename extension of audio/video files (Chocobo1)
+    - BUGFIX: Various drawing improvements of progress bar (Chocobo1)
+    - BUGFIX: Properly stop torrent creation if aborted (Chocobo1)
+    - BUGFIX: Replace external program parameters in one step (Chocobo1)
+    - BUGFIX: Improve "save resume data" handling (glassez)
+    - BUGFIX: Fix bad IPv6 address format for outgoingInterfaces (treysis)
+    - WEBUI: Properly decode strings (brvphoenix)
+    - WEBUI: Accept "share limits" when adding torrent using WebAPI (glassez)
+    - WEBUI: Add seeding time to the active time column (thalieht)
+    - WEBUI: Fix incorrect seeding time string in General tab (thalieht)
+    - WEBUI: Allow >100 days in WebUI function "friendlyDuration" (thalieht)
+    - WEBUI: Avoid decoding strings repeatedly (brvphoenix)
+    - RSS: Add category button on AutomatedRSSDownloader on GUI (Si Yong Kim)
+    - WINDOWS: NSIS: Update Czech translation (slrslr)
+    - WINDOWS: NSIS: Update Portuguese BR translation (Alex)
+    - WINDOWS: NSIS: Add Estonian translation (PriitUring)
+    - WINDOWS: Allow change-case-only file renaming (glassez)
+    - LINUX: Systemd: wait for mounting of local filesystems (Juraj Oršulić)
+    - OTHER: Raise minimum libtorrent version to 1.2.12 (glassez)
+    - OTHER: Raise minimum Qt version to 5.12 (glassez)
+
+Tue Jan 19 2021 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.3.3
+    - FEATURE: New languages: Azerbaijani, Estonian
+    - BUGFIX: Unify global speed dialogs for normal/alternative speeds (thalieht)
+    - BUGFIX: Increase maximum global speed limits ~2 GiB/s (thalieht)
+    - BUGFIX: Save fastresume when setting torrent speed limits (thalieht)
+    - BUGFIX: Group several torrent options into one dialog (thalieht)
+    - BUGFIX: Capitalize locale names (Chocobo1)
+    - BUGFIX: Improve content file/folder names handling (glassez)
+    - BUGFIX: Drop notification about move storage finished or failed (glassez)
+    - BUGFIX: Reload "missing files" torrent instead of re-checking (glassez)
+    - BUGFIX: Remember dialog sizes (Chocobo1)
+    - BUGFIX: Improve detection of file extension string (Chocobo1)
+    - WEBUI: Don't call non-existent elements (glassez)
+    - WEBUI: Update "Keep top-level folder" in WebUI options (thalieht)
+    - MACOS: QMake: Raise minimal macOS target version to 10.14 (glassez)
+    - LINUX: Use legacy 'data' directory only as a fallback (lbilli)
+    - OTHER: Bump project requirement to C++17 (Chocobo1)
+
+Sun Dec 27 2020 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.3.2
+    - FEATURE: Allow to add root folder to torrent content (glassez)
+    - FEATURE: "HTTPS tracker validation" option is available on all platforms with latest libtorrent (Chocobo1)
+    - FEATURE: Option for supporting internationalized domain names (IDNs) (Chocobo1)
+    - BUGFIX: Fix broken sorting on some columns (Chocobo1)
+    - BUGFIX: Fix availability per file value (Chocobo1)
+    - BUGFIX: Fix status of torrents without metadata (sledgehammer999)
+    - BUGFIX: Don't try to remove folders for a torrent without metadata (sledgehammer999)
+    - BUGFIX: Lift upper limit of "Max concurrent HTTP announces" option (Chocobo1)
+    - BUGFIX: Add links to libtorrent documentation (Chocobo1)
+    - BUGFIX: Move "embedded tracker" options to qbt section (Chocobo1)
+    - BUGFIX: Properly handle "Append extension" option changing (glassez)
+    - BUGFIX: Correctly save paused torrent state (glassez)
+    - BUGFIX: Fix bug of "move storage job" can be performed multiple times (glassez)
+    - WEBUI: Add ability to use 'shift+delete' to delete torrents (Chocobo1)
+    - WEBUI: Allow to attach tags while adding torrents (Jesse Chan)
+    - WEBUI: Bump version to 2.6.2 (Jesse Chan)
+    - WEBUI: Remove unnecessary restriction on input length (Chocobo1)
+    - WINDOWS: NSIS: Update Russian translation (Andrei Stepanov)
+    - WINDOWS:  NSIS: Update Italian translation (Alessandro Simonelli)
+    - OTHER: Drop support for building with libtorrent < 1.2.11 (Vladimir Golovnev)
+
 Wed Nov 25 2020 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.3.1
     - FEATURE: Allow progress bar styling from custom themes (jagannatharjun)
     - FEATURE: Allow adding torrents using "Paste" key sequence (Chocobo1)

INSTALL

@@ -3,23 +3,27 @@ qBittorrent - A BitTorrent client in C++ / Qt
 
 1) Install these dependencies:
 
-  - Boost >= 1.40
+  - Boost >= 1.65
 
-  - libtorrent-rasterbar >= 1.2 (by Arvid Norberg)
+  - libtorrent-rasterbar >= 1.2.12 (by Arvid Norberg)
       * https://www.libtorrent.org/
       * Be careful: another library (the one used by rTorrent) uses a similar name
 
-  - OpenSSL >= 1.0
+  - OpenSSL >= 1.1.1
 
-  - Qt >= 5.9.0
+  - Qt >= 5.12
 
-  - zlib >= 1.2.5.2
+  - zlib >= 1.2.11
 
-  - pkg-config (compile-time only)
+  - pkg-config (compile-time only on *nix systems)
 
   - Python >= 3.5.0 (optional, runtime only)
       * Required by the internal search engine
 
+Dependency version numbers are bumped every once in a while to keep the range of properly tested configurations manageable, even if not strictly required to build.
+You may be able to build with older versions of (some of) the dependencies other than the minimum versions specified in the build scripts, but support for such builds is not provided - you are on your own.
+Please ensure you are building with an officially supported configuration when reporting bugs.
+
 2a) Compile and install qBittorrent with Qt graphical interface
 
   $ ./configure

build_dist.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# get version numbers
+versionSrc="src/base/version.h.in"
+versionMajor="$(grep -Po '(?<=QBT_VERSION_MAJOR )\d+' "$versionSrc")"
+versionMinor="$(grep -Po '(?<=QBT_VERSION_MINOR )\d+' "$versionSrc")"
+versionBugfix="$(grep -Po '(?<=QBT_VERSION_BUGFIX )\d+' "$versionSrc")"
+versionBuild="$(grep -Po '(?<=QBT_VERSION_BUILD )\d+' "$versionSrc")"
+versionStatus="$(grep -Po '(?<=QBT_VERSION_STATUS ")\w+' "$versionSrc")"
+
+if [ "$versionBuild" != "0" ]; then
+    projectVersion="$versionMajor.$versionMinor.$versionBugfix.$versionBuild$versionStatus"
+else
+    projectVersion="$versionMajor.$versionMinor.$versionBugfix$versionStatus"
+fi
+
+# pack archives
+git archive --format=tar --prefix="qbittorrent-$projectVersion/" HEAD | gzip -9 > "qbittorrent-$projectVersion.tar.gz"
+git archive --format=tar --prefix="qbittorrent-$projectVersion/" HEAD | xz -9 > "qbittorrent-$projectVersion.tar.xz"

cmake/Modules/MacroQbtCommonConfig.cmake

@@ -7,47 +7,16 @@ macro(qbt_common_config)
     # treat value specified by the CXX_STANDARD target property as a requirement by default
     set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-    # these definitions are only needed for calls to
-    # lt::generate_fingerprint and for the qbittorrent.rc file on Windows
-    add_library(qbt_version_definitions INTERFACE)
-
-    target_compile_definitions(qbt_version_definitions INTERFACE
-        QBT_VERSION_MAJOR=${qBittorrent_VERSION_MAJOR}
-        QBT_VERSION_MINOR=${qBittorrent_VERSION_MINOR}
-        QBT_VERSION_BUGFIX=${qBittorrent_VERSION_PATCH}
-        QBT_VERSION_BUILD=${qBittorrent_VERSION_TWEAK}
-    )
-
     add_library(qbt_common_cfg INTERFACE)
 
-    # Full C++ 14 support is required
+    # Full C++ 17 support is required
     # See also https://cmake.org/cmake/help/latest/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html
     # for a breakdown of the features that CMake recognizes for each C++ standard
     target_compile_features(qbt_common_cfg INTERFACE
-        cxx_std_14
-        cxx_aggregate_default_initializers
-        cxx_attribute_deprecated
-        cxx_binary_literals
-        cxx_contextual_conversions
-        cxx_decltype_auto
-        cxx_digit_separators
-        cxx_generic_lambdas
-        cxx_lambda_init_captures
-        cxx_relaxed_constexpr
-        cxx_return_type_deduction
-        cxx_variable_templates
+        cxx_std_17
     )
 
-    set(QBT_PROJECT_VERSION "${qBittorrent_VERSION_MAJOR}.${qBittorrent_VERSION_MINOR}.${qBittorrent_VERSION_PATCH}")
-    if (NOT ${qBittorrent_VERSION_TWEAK} EQUAL 0)
-        set(QBT_PROJECT_VERSION "${QBT_PROJECT_VERSION}.${qBittorrent_VERSION_TWEAK}")
-    endif()
-
-    set(QBT_FULL_VERSION "${QBT_PROJECT_VERSION}${QBT_VER_STATUS}")
-
     target_compile_definitions(qbt_common_cfg INTERFACE
-        QBT_VERSION="v${QBT_FULL_VERSION}"
-        QBT_VERSION_2="${QBT_FULL_VERSION}"
         QT_DEPRECATED_WARNINGS
         QT_NO_CAST_TO_ASCII
         QT_NO_CAST_FROM_BYTEARRAY
@@ -90,6 +59,12 @@ macro(qbt_common_config)
         endif()
     endif()
 
+    if ((CXX_COMPILER_ID STREQUAL "Clang") OR (CXX_COMPILER_ID STREQUAL "AppleClang"))
+        target_compile_options(qbt_common_cfg INTERFACE
+            -Wno-range-loop-analysis
+        )
+    endif()
+
     if (MINGW)
         target_link_options(qbt_common_cfg INTERFACE $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:LINKER:--dynamicbase>)
     endif()
@@ -101,8 +76,12 @@ macro(qbt_common_config)
     endif()
 
     if (MSVC)
-        target_compile_options(qbt_common_cfg INTERFACE /guard:cf)
-        target_link_options(qbt_common_cfg INTERFACE /guard:cf
+        target_compile_options(qbt_common_cfg INTERFACE
+            /guard:cf
+            /utf-8
+        )
+        target_link_options(qbt_common_cfg INTERFACE
+            /guard:cf
             $<$<NOT:$<CONFIG:Debug>>:/OPT:REF /OPT:ICF>
             # suppress linking warning due to /INCREMENTAL and /OPT:ICF being both ON
             $<$<CONFIG:RelWithDebInfo>:/INCREMENTAL:NO>

configure.ac

@@ -1,6 +1,8 @@
-AC_INIT([qbittorrent], [v4.3.1], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
+AC_INIT([qbittorrent], [v4.3.4], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
+: ${CFLAGS=""}
+: ${CXXFLAGS=""}
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_SED
@@ -139,7 +141,7 @@ AS_IF([test "x$QT_QMAKE" = "x"],
       [AC_MSG_ERROR([Could not find qmake])
       ])
 AS_IF([test "x$enable_gui" = "xyes"],
-      [PKG_CHECK_MODULES(Qt5Svg, [Qt5Svg >= 5.5.1])
+      [PKG_CHECK_MODULES(Qt5Svg, [Qt5Svg >= 5.12])
       ])
 AC_MSG_CHECKING([whether QtDBus should be enabled])
 AS_CASE(["x$enable_qt_dbus"],
@@ -157,7 +159,7 @@ AS_CASE(["x$enable_qt_dbus"],
         AC_MSG_ERROR([Unknown option "$enable_qt_dbus". Use either "yes" or "no".])])
 
 
-AX_BOOST_BASE([1.40],
+AX_BOOST_BASE([1.65],
               [AC_MSG_NOTICE([Boost CXXFLAGS: "$BOOST_CPPFLAGS"])
                AC_MSG_NOTICE([Boost LDFLAGS: "$BOOST_LDFLAGS"])],
               [AC_MSG_ERROR([Could not find Boost])])
@@ -178,48 +180,48 @@ AC_MSG_NOTICE([Boost.System LIB: "$BOOST_SYSTEM_LIB"])
 LIBS="$BOOST_SYSTEM_LIB $LIBS"
 
 PKG_CHECK_MODULES(libtorrent,
-                  [libtorrent-rasterbar >= 1.2],
+                  [libtorrent-rasterbar >= 1.2.12],
                   [CXXFLAGS="$libtorrent_CFLAGS $CXXFLAGS"
                   LIBS="$libtorrent_LIBS $LIBS"])
 
 PKG_CHECK_MODULES(openssl,
-                  [openssl >= 1.0],
+                  [openssl >= 1.1.1],
                   [CXXFLAGS="$openssl_CFLAGS $CXXFLAGS"
                   LIBS="$openssl_LIBS $LIBS"])
 
 PKG_CHECK_MODULES(zlib,
-                 [zlib >= 1.2.5.2],
+                 [zlib >= 1.2.11],
                  [CXXFLAGS="$zlib_CFLAGS $CXXFLAGS"
                  LIBS="$zlib_LIBS $LIBS"])
 
-# Check if already in >= C++14 mode because of the flags returned by one of the above packages
+# Check if already in >= C++17 mode because of the flags returned by one of the above packages
 TMP_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=""
-AC_MSG_CHECKING([if compiler defaults to C++14 or later mode])
-AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
+AC_MSG_CHECKING([if compiler defaults to C++17 or later mode])
+AC_COMPILE_IFELSE([DETECT_CPP17_PROGRAM()],
                   [AC_MSG_RESULT([yes])
-                   QBT_CXX14_FOUND="yes"],
+                   QBT_CXX17_FOUND="yes"],
                   [AC_MSG_RESULT([no])
-                   QBT_CXX14_FOUND="no"])
+                   QBT_CXX17_FOUND="no"])
 
-# In case of no, check if the compiler can support at least C++14
+# In case of no, check if the compiler can support at least C++17
 # and if yes, enable it leaving a warning to the user
-AS_IF([test "x$QBT_CXX14_FOUND" = "xno"],
-      [AC_MSG_CHECKING([if compiler supports C++14])
-       CXXFLAGS="-std=c++14"
-       AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
+AS_IF([test "x$QBT_CXX17_FOUND" = "xno"],
+      [AC_MSG_CHECKING([if compiler supports C++17])
+       CXXFLAGS="-std=c++17"
+       AC_COMPILE_IFELSE([DETECT_CPP17_PROGRAM()],
                         [AC_MSG_RESULT([yes])
-                         AC_MSG_CHECKING([if C++14 is disabled by the set compiler flags])
+                         AC_MSG_CHECKING([if C++17 is disabled by the set compiler flags])
                          # prepend the flag so it won't override conflicting user defined flags
-                         CXXFLAGS="-std=c++14 $TMP_CXXFLAGS"
-                         AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
+                         CXXFLAGS="-std=c++17 $TMP_CXXFLAGS"
+                         AC_COMPILE_IFELSE([DETECT_CPP17_PROGRAM()],
                                            [AC_MSG_RESULT([no])
-                                            QBT_ADD_CONFIG="$QBT_ADD_CONFIG c++14"
-                                            AC_MSG_WARN([C++14 mode is now force enabled. The C++ mode should match the mode that other libraries were built with, otherwise you'll likely get linking errors.])],
+                                            QBT_ADD_CONFIG="$QBT_ADD_CONFIG c++1z"
+                                            AC_MSG_WARN([C++17 mode is now force enabled. The C++ mode should match the mode that other libraries were built with, otherwise you'll likely get linking errors.])],
                                            [AC_MSG_RESULT([yes])
-                                            AC_MSG_ERROR([The compiler supports C++14 but the user or a dependency has explicitly enabled a lower mode.])])],
+                                            AC_MSG_ERROR([The compiler supports C++17 but the user or a dependency has explicitly enabled a lower mode.])])],
                         [AC_MSG_RESULT([no])
-                         AC_MSG_ERROR([A compiler supporting C++14 is required.])])
+                         AC_MSG_ERROR([A compiler supporting C++17 is required.])])
       ])
 CXXFLAGS="$TMP_CXXFLAGS"
 
@@ -270,9 +272,13 @@ AC_SUBST(QBT_REMOVE_CONFIG)
 AC_SUBST(QBT_ADD_DEFINES)
 AC_SUBST(QBT_REMOVE_DEFINES)
 
-AC_OUTPUT(conf.pri)
+QBT_CONFIG_FILES="conf.pri"
+
 AS_IF([test "x$enable_systemd" = "xyes"],
-      [AC_OUTPUT(dist/unix/systemd/qbittorrent-nox@.service)])
+      [QBT_CONFIG_FILES="$QBT_CONFIG_FILES dist/unix/systemd/qbittorrent-nox@.service"])
+
+AC_CONFIG_FILES(["$QBT_CONFIG_FILES"])
+AC_OUTPUT
 
 AC_MSG_NOTICE([Running qmake to generate the makefile...])
 TOPDIR="$(cd "$(dirname "$0")" && pwd)"

dist/mac/Info.plist

@@ -55,7 +55,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.3.0</string>
+	<string>4.3.4</string>
 	<key>CFBundleExecutable</key>
 	<string>@EXECUTABLE@</string>
 	<key>CFBundleIdentifier</key>
@@ -67,7 +67,7 @@
 	<key>NSAppleScriptEnabled</key>
 	<string>YES</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2006-2020 The qBittorrent project</string>
+	<string>Copyright © 2006-2021 The qBittorrent project</string>
 	<key>UTExportedTypeDeclarations</key>
 	<array>
 		<dict>

dist/unix/org.qbittorrent.qBittorrent.appdata.xml

@@ -74,6 +74,6 @@
   <url type="translate">https://github.com/qbittorrent/qBittorrent/wiki/How-to-translate-qBittorrent</url>
   <content_rating type="oars-1.1"/>
   <releases>
-    <release version="4.3.1" date="2020-11-25"/>
+    <release version="4.3.4" date="2021-03-23"/>
   </releases>
 </component>

dist/unix/org.qbittorrent.qBittorrent.desktop

@@ -11,6 +11,11 @@ Type=Application
 StartupNotify=false
 StartupWMClass=qbittorrent
 Keywords=bittorrent;torrent;magnet;download;p2p;
+
+# Translations
+
+
+# Translations
 Comment[oc]=Telecargar e partejar de fichièrs amb BitTorrent
 GenericName[oc]=Client BitTorrent
 Name[oc]=qBittorrent
@@ -53,6 +58,9 @@ Name[en_GB]=qBittorrent
 Comment[es]=Descargue y comparta archivos por BitTorrent
 GenericName[es]=Cliente BitTorrent
 Name[es]=qBittorrent
+Comment[et]=Lae alla ja jaga faile üle BitTorrenti
+GenericName[et]=BitTorrent klient
+Name[et]=qBittorrent
 Comment[eu]=Jeitsi eta elkarbanatu agiriak BitTorrent bidez
 GenericName[eu]=BitTorrent bezeroa
 Name[eu]=qBittorrent
@@ -80,13 +88,16 @@ Name[hr]=qBittorrent
 Comment[hu]=Fájlok letöltése és megosztása a BitTorrent hálózaton keresztül
 GenericName[hu]=BitTorrent kliens
 Name[hu]=qBittorrent
+Comment[hy]=Նիշքերի փոխանցում BitTorrent-ի միջոցով
+GenericName[hy]=BitTorrent սպասառու
+Name[hy]=qBittorrent
 Comment[id]=Unduh dan berbagi berkas melalui BitTorrent
 GenericName[id]=Klien BitTorrent
 Name[id]=qBittorrent
 Comment[is]=Sækja og deila skrám yfir BitTorrent
 GenericName[is]=BitTorrent biðlarar
 Name[is]=qBittorrent
-Comment[it]=Client BitTorrent per il download di file via internet
+Comment[it]=Scarica e condividi file tramite BitTorrent
 GenericName[it]=Client BitTorrent
 Name[it]=qBittorrent
 Comment[ja]=BitTorrent でファイルをダウンロードおよび共有します
@@ -95,8 +106,8 @@ Name[ja]=qBittorrent
 Comment[ka]=ჩამოტვირთე და გააზიარე ფაილები Bittorrent-ის საშუალებით
 GenericName[ka]=BitTorrent კლიენტი
 Name[ka]=qBittorrent
-Comment[ko]=비트토런트를 통해 파일을 받고 공유합니다
-GenericName[ko]=비트토런트 클라이언트
+Comment[ko]=비트토렌트를 통해 파일을 받고 공유합니다
+GenericName[ko]=비트토렌트 클라이언트
 Name[ko]=qBittorrent
 Comment[zh]=通过 BitTorrent 下载和分享文件
 GenericName[zh]=BitTorrent 客户端
@@ -107,6 +118,9 @@ Name[lt]=qBittorrent
 Comment[mk]=Превземајте и споделувајте фајлови преку BitTorrent
 GenericName[mk]=BitTorrent клиент
 Name[mk]=qBittorrent
+Comment[en_AU]=Download and share files over BitTorrent
+GenericName[en_AU]=BitTorrent client
+Name[en_AU]=qBittorrent
 Comment[nb]=Last ned og del filer over BitTorrent
 GenericName[nb]=BitTorrent-klient
 Name[nb]=qBittorrent
@@ -137,6 +151,7 @@ Name[sk]=qBittorrent
 Comment[sl]=Prenesite in delite datoteke preko BitTorrenta
 GenericName[sl]=BitTorrent odjemalec
 Name[sl]=qBittorrent
+Comment[sr]=Преузимајте и делите фајлове преко BitTorrent протокола
 GenericName[sr]=BitTorrent-клијент
 Comment[sr@latin]=Preuzimanje i deljenje fajlova preko BitTorrent-a
 GenericName[sr@latin]=BitTorrent klijent
@@ -150,9 +165,9 @@ Name[uz@Latn]=qBittorrent
 Comment[ltg]=Atsasyuteit i daleit failus ar BitTorrent
 GenericName[ltg]=BitTorrent klients
 Name[ltg]=qBittorrent
-Comment[hi_IN]= अपनी फाइलें BitTorrent के माध्यम से डाउनलोड आैर साॅझा करें
-GenericName[hi_IN]=BitTorrent उपभोक्ता
-Name[hi_IN]=qBittorrent
+Comment[hi_IN]=बिटटौरेंट द्वारा फाइल डाउनलोड व सहभाजन
+GenericName[hi_IN]=बिटटौरेंट साधन
+Name[hi_IN]=क्यूबिटटौरेंट
 Comment[tr]=Dosyaları BitTorrent üzerinden indirin ve paylaşın
 GenericName[tr]=BitTorrent istemcisi
 Name[tr]=qBittorrent
@@ -165,6 +180,9 @@ Name[uk]=qBittorrent
 Comment[vi]=Tải về và chia sẻ các tập tin thông qua BitTorrent
 GenericName[vi]=Máy trạm dạng BitTorrent
 Name[vi]=qBittorrent
+Comment[az@latin]=Faylları BitTorrent vasitəsilə göndərin və paylaşın
+GenericName[az@latin]=BitTorrent client
+Name[az@latin]=qBittorrent
 Comment[zh_HK]=經由BitTorrent下載並分享檔案
 GenericName[zh_HK]=BitTorrent用戶端
 Name[zh_HK]=qBittorrent
@@ -180,8 +198,8 @@ Name[ms_MY]=qBittorrent
 Comment[eo]=Elŝutu kaj kunhavigu dosierojn per BitTorrent
 GenericName[eo]=BitTorrent-kliento
 Name[eo]=qBittorrent
-Comment[mn_MN]=BitTorrent ашиглан файлуудыг татаж түгээх
-GenericName[mn_MN]=BitTorrent үйлчлүүлэгч
+Comment[mn_MN]=BitTorrent-оор файлуудаа тат, түгээ
+GenericName[mn_MN]=BitTorrent татагч
 Name[mn_MN]=qBittorrent
 Comment[ta]=BitTorrent வழியாக கோப்புகளை பதிவிறக்க மற்றும் பகிர
 GenericName[ta]=BitTorrent வாடிக்கையாளர்
@@ -192,9 +210,9 @@ Name[ne_NP]=qBittorrent
 Comment[te]=క్యు  బిట్ టొరెంట్ తో ఫైల్స్ దిగుమతి చేసుకోండి , పంచుకోండి
 GenericName[te]=క్యు  బిట్ టొరెంట్ క్లయింట్
 Name[te]=క్యు  బిట్ టొరెంట్
-Comment[en_AU]=Download and share files over BitTorrent
-GenericName[en_AU]=BitTorrent client
-Name[en_AU]=qBittorrent
-Comment[th]=ดาว์นโหลดและแชร์ไฟล์ด้วยบิททอเร้น
+Comment[pt_PT]=Transferir e partilhar ficheiros por BitTorrent
+GenericName[pt_PT]=Cliente BitTorrent
+Name[pt_PT]=qBittorrent
+Comment[th]=ดาวน์โหลดและแชร์ไฟล์ด้วยบิททอเร้น
 GenericName[th]=โปรแกรมบิททอเร้น
 Name[th]=qBittorrent

dist/unix/systemd/qbittorrent-nox@.service.in

@@ -2,7 +2,7 @@
 Description=qBittorrent-nox service for user %I
 Documentation=man:qbittorrent-nox(1)
 Wants=network-online.target
-After=network-online.target nss-lookup.target
+After=local-fs.target network-online.target nss-lookup.target
 
 [Service]
 Type=simple

dist/windows/installer-translations/czech.nsi

@@ -7,7 +7,7 @@ LangString inst_dekstop ${LANG_CZECH} "Vytvořit zástupce na ploše"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
 LangString inst_startmenu ${LANG_CZECH} "Vytvořit zástupce v nabídce Start"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
-LangString inst_startup ${LANG_CZECH} "Spusťte aplikaci qBittorrent ve Windows"
+LangString inst_startup ${LANG_CZECH} "Spustit qBittorrent při startu Windows"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
 LangString inst_torrent ${LANG_CZECH} "Otevírat .torrent soubory pomocí qBittorrent"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
@@ -15,9 +15,9 @@ LangString inst_magnet ${LANG_CZECH} "Otevírat odkazy Magnet pomocí qBittorren
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_CZECH} "Vytvořit pravidlo ve Windows Firewall"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_CZECH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_CZECH} "Vypnout MAX_PATH limit 260 znaků pro cesty (vyžaduje Windows 10 1607 a novější)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
-LangString inst_firewallinfo ${LANG_CZECH} "Vytváření pravidla ve Windows Firewall"
+LangString inst_firewallinfo ${LANG_CZECH} "Přidávání pravidla do Windows Firewall"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
 LangString inst_warning ${LANG_CZECH} "qBittorrent je spuštěn. Před instalací aplikaci ukončete, prosím."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."

dist/windows/installer-translations/estonian.nsi

@@ -1,59 +1,59 @@
 ;Installer strings
 
 ;LangString inst_qbt_req ${LANG_ENGLISH} "qBittorrent (required)"
-LangString inst_qbt_req ${LANG_ESTONIAN} "qBittorrent (required)"
+LangString inst_qbt_req ${LANG_ESTONIAN} "qBittorrent (vajalik)"
 ;LangString inst_dekstop ${LANG_ENGLISH} "Create Desktop Shortcut"
-LangString inst_dekstop ${LANG_ESTONIAN} "Create Desktop Shortcut"
+LangString inst_dekstop ${LANG_ESTONIAN} "Loo Töölaua Otsetee"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
-LangString inst_startmenu ${LANG_ESTONIAN} "Create Start Menu Shortcut"
+LangString inst_startmenu ${LANG_ESTONIAN} "Loo Start Menüü Otsetee"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
-LangString inst_startup ${LANG_ESTONIAN} "Start qBittorrent on Windows start up"
+LangString inst_startup ${LANG_ESTONIAN} "Käivita qBittorrent Windowsi käivitamisel"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
-LangString inst_torrent ${LANG_ESTONIAN} "Open .torrent files with qBittorrent"
+LangString inst_torrent ${LANG_ESTONIAN} "Ava .torrent failid qBittorrentiga"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
-LangString inst_magnet ${LANG_ESTONIAN} "Open magnet links with qBittorrent"
+LangString inst_magnet ${LANG_ESTONIAN} "Ava magnet lingid qBittorrentiga"
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
-LangString inst_firewall ${LANG_ESTONIAN} "Add Windows Firewall rule"
+LangString inst_firewall ${LANG_ESTONIAN} "Lisa reegel Windowsi Tulemüüri"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_ESTONIAN} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_ESTONIAN} "Keela Windowsi kaustade pikkuse limiit (260 karakterit MAX_PATH limiit, vajalik Windows 10 1607 või uuemat)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
-LangString inst_firewallinfo ${LANG_ESTONIAN} "Adding Windows Firewall rule"
+LangString inst_firewallinfo ${LANG_ESTONIAN} "Lisatakse Windowsi Tulemüüri reegel"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
-LangString inst_warning ${LANG_ESTONIAN} "qBittorrent is running. Please close the application before installing."
+LangString inst_warning ${LANG_ESTONIAN} "qBittorrent töötab. Palun sulge see programm, enne installi."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_ESTONIAN} "Current version will be uninstalled. User settings and torrents will remain intact."
+LangString inst_uninstall_question ${LANG_ESTONIAN} "Praegune versioon uninstallitakse. Kasutaja sätted ja torrenti failid jäetakse alles."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
-LangString inst_unist ${LANG_ESTONIAN} "Uninstalling previous version."
+LangString inst_unist ${LANG_ESTONIAN} "Uninstallitakse eelmist versiooni."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
-LangString launch_qbt ${LANG_ESTONIAN} "Launch qBittorrent."
+LangString launch_qbt ${LANG_ESTONIAN} "Käivita qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
-LangString inst_requires_64bit ${LANG_ESTONIAN} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ESTONIAN} "See installer töötab ainult 64-bit Windowsi versioonides."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
-LangString inst_requires_win7 ${LANG_ESTONIAN} "This qBittorrent version requires at least Windows 7."
+LangString inst_requires_win7 ${LANG_ESTONIAN} "Selle qBittorrenti versiooni jaoks on vajalik vähemalt Windows 7."
 
 
 ;------------------------------------
 ;Uninstaller strings
 
 ;LangString remove_files ${LANG_ENGLISH} "Remove files"
-LangString remove_files ${LANG_ESTONIAN} "Remove files"
+LangString remove_files ${LANG_ESTONIAN} "Eemalda failid"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
-LangString remove_shortcuts ${LANG_ESTONIAN} "Remove shortcuts"
+LangString remove_shortcuts ${LANG_ESTONIAN} "Eemalda otseteed"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
-LangString remove_associations ${LANG_ESTONIAN} "Remove file associations"
+LangString remove_associations ${LANG_ESTONIAN} "Eemalda failide seotus"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
-LangString remove_registry ${LANG_ESTONIAN} "Remove registry keys"
+LangString remove_registry ${LANG_ESTONIAN} "Eemalda registri võtmed"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"
-LangString remove_conf ${LANG_ESTONIAN} "Remove configuration files"
+LangString remove_conf ${LANG_ESTONIAN} "Eemalda seadistuste failid"
 ;LangString remove_firewall ${LANG_ENGLISH} "Remove Windows Firewall rule"
-LangString remove_firewall ${LANG_ESTONIAN} "Remove Windows Firewall rule"
+LangString remove_firewall ${LANG_ESTONIAN} "Eemalda Windowsi Tulemüüri reegel"
 ;LangString remove_firewallinfo ${LANG_ENGLISH} "Removing Windows Firewall rule"
-LangString remove_firewallinfo ${LANG_ESTONIAN} "Removing Windows Firewall rule"
+LangString remove_firewallinfo ${LANG_ESTONIAN} "Eemaldatakse Windowsi Tulemüüri reegel"
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
-LangString remove_cache ${LANG_ESTONIAN} "Remove torrents and cached data"
+LangString remove_cache ${LANG_ESTONIAN} "Eemalda torrentid ja ajutised andmed"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
-LangString uninst_warning ${LANG_ESTONIAN} "qBittorrent is running. Please close the application before uninstalling."
+LangString uninst_warning ${LANG_ESTONIAN} "qBittorrent töötab. Palun sulge programm, enne uninstallimist."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
-LangString uninst_tor_warn ${LANG_ESTONIAN} "Not removing .torrent association. It is associated with:"
+LangString uninst_tor_warn ${LANG_ESTONIAN} "Ei eemaldata .torrent seotust. Mis on seotud:"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"
-LangString uninst_mag_warn ${LANG_ESTONIAN} "Not removing magnet association. It is associated with:"
+LangString uninst_mag_warn ${LANG_ESTONIAN} "Ei eemaldata magnetitega seotust. Mis on seotud:"

dist/windows/installer-translations/italian.nsi

@@ -3,9 +3,9 @@
 ;LangString inst_qbt_req ${LANG_ENGLISH} "qBittorrent (required)"
 LangString inst_qbt_req ${LANG_ITALIAN} "qBittorrent (necessario)"
 ;LangString inst_dekstop ${LANG_ENGLISH} "Create Desktop Shortcut"
-LangString inst_dekstop ${LANG_ITALIAN} "Crea icone sul desktop"
+LangString inst_dekstop ${LANG_ITALIAN} "Crea collegamento sul Desktop"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
-LangString inst_startmenu ${LANG_ITALIAN} "Crea gruppo programmi"
+LangString inst_startmenu ${LANG_ITALIAN} "Aggiungi al menu Start"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
 LangString inst_startup ${LANG_ITALIAN} "Esegui qBittorrent all'avvio di Windows"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
@@ -15,19 +15,19 @@ LangString inst_magnet ${LANG_ITALIAN} "Apri collegamenti magnet con qBittorrent
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_ITALIAN} "Aggiungi regola al firewall di Windows"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_ITALIAN} "Disabilita limite percorso Windows (limite MAX_PATH max 260 caratterin, richiede Windows 10 versione 1607 o successive)"
+LangString inst_pathlimit ${LANG_ITALIAN} "Disabilita limite lunghezza percorsi Windows (limite MAX_PATH di 260 caratteri, richiede Windows 10 versione 1607 o successive)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
 LangString inst_firewallinfo ${LANG_ITALIAN} "Aggiunta regola al firewall di Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
-LangString inst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione.%n%nChiudi l'applicazione qBittorrent prima della nuova installazione."
+LangString inst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione. Chiudilo prima di procedere con l'installazione."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_ITALIAN} "L'attuale versione di qBittorrent verrà disinstallata.%n%nLe impostazioni utente e i torrent rimanno invariati."
+LangString inst_uninstall_question ${LANG_ITALIAN} "La versione attuale verrà disinstallata. Le impostazioni utente e i torrent rimarranno invariati."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
-LangString inst_unist ${LANG_ITALIAN} "Disinstallazione versione precedente di qBittorrent."
+LangString inst_unist ${LANG_ITALIAN} "Disinstallazione versione precedente."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
-LangString launch_qbt ${LANG_ITALIAN} "Esegui qBittorrent"
+LangString launch_qbt ${LANG_ITALIAN} "Esegui qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
-LangString inst_requires_64bit ${LANG_ITALIAN} "Questo installer di qBittorrent funziona solo con Windows a 64bit."
+LangString inst_requires_64bit ${LANG_ITALIAN} "Questo installer funziona solo con versioni di Windows a 64bit."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
 LangString inst_requires_win7 ${LANG_ITALIAN} "Questa versione di qBittorrent richiede Windows 7 o versioni successive."
 
@@ -42,7 +42,7 @@ LangString remove_shortcuts ${LANG_ITALIAN} "Rimuovi collegamenti"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
 LangString remove_associations ${LANG_ITALIAN} "Rimuovi associazione file"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
-LangString remove_registry ${LANG_ITALIAN} "Rimuovi chiavi registro"
+LangString remove_registry ${LANG_ITALIAN} "Rimuovi chiavi di registro"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"
 LangString remove_conf ${LANG_ITALIAN} "Rimuovi file di configurazione"
 ;LangString remove_firewall ${LANG_ENGLISH} "Remove Windows Firewall rule"
@@ -52,7 +52,7 @@ LangString remove_firewallinfo ${LANG_ITALIAN} "Rimozione regola dal firewall di
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
 LangString remove_cache ${LANG_ITALIAN} "Rimuovi torrent e dati nella cache"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
-LangString uninst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione.%n%nChiudi qBittorrent prima della disinstallazione."
+LangString uninst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione. Chiudilo prima di procedere con la disinstallazione."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
 LangString uninst_tor_warn ${LANG_ITALIAN} "Associazione file .torrent non rimossa. File associati con:"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"

dist/windows/installer-translations/portugueseBR.nsi

@@ -15,7 +15,7 @@ LangString inst_magnet ${LANG_PORTUGUESEBR} "Abrir links magnéticos com qBittor
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_PORTUGUESEBR} "Adicionar regra no firewall do Windows"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_PORTUGUESEBR} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_PORTUGUESEBR} "Desativar limite de caracteres em caminhos do Windows (limite MAX_PATH de 260 caracteres, requer Windows 10 1067 ou superior)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
 LangString inst_firewallinfo ${LANG_PORTUGUESEBR} "Adicionando regra no firewall do Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
@@ -27,9 +27,9 @@ LangString inst_unist ${LANG_PORTUGUESEBR} "Desinstalando versão anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_PORTUGUESEBR} "Executar qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
-LangString inst_requires_64bit ${LANG_PORTUGUESEBR} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_PORTUGUESEBR} "Este instalador apenas funciona em versões 64-bit do Windows."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
-LangString inst_requires_win7 ${LANG_PORTUGUESEBR} "This qBittorrent version requires at least Windows 7."
+LangString inst_requires_win7 ${LANG_PORTUGUESEBR} "Esta versão do qBittorrent requer no mínimo o Windows 7."
 
 
 ;------------------------------------
@@ -42,13 +42,13 @@ LangString remove_shortcuts ${LANG_PORTUGUESEBR} "Remover atalhos"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
 LangString remove_associations ${LANG_PORTUGUESEBR} "Remover associação de arquivos"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
-LangString remove_registry ${LANG_PORTUGUESEBR} "Remover registros"
+LangString remove_registry ${LANG_PORTUGUESEBR} "Remover chaves do registro"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"
 LangString remove_conf ${LANG_PORTUGUESEBR} "Remover configurações"
 ;LangString remove_firewall ${LANG_ENGLISH} "Remove Windows Firewall rule"
-LangString remove_firewall ${LANG_PORTUGUESEBR} "Remover regras do firewall do Windows"
+LangString remove_firewall ${LANG_PORTUGUESEBR} "Remover regra do Firewall do Windows"
 ;LangString remove_firewallinfo ${LANG_ENGLISH} "Removing Windows Firewall rule"
-LangString remove_firewallinfo ${LANG_PORTUGUESEBR} "Removendo regras do firewall do Windows"
+LangString remove_firewallinfo ${LANG_PORTUGUESEBR} "Removendo regra do Firewall do Windows"
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
 LangString remove_cache ${LANG_PORTUGUESEBR} "Remover torrents e dados em cache"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."

dist/windows/installer-translations/russian.nsi

@@ -21,7 +21,7 @@ LangString inst_firewallinfo ${LANG_RUSSIAN} "Добавление в списо
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
 LangString inst_warning ${LANG_RUSSIAN} "qBittorrent запущен. Пожалуйста, закройте qBittorrent и перезапустите программу установки."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_RUSSIAN} "Обнаружена предыдущая установка. Она будет деинсталлирована без удаления пользовательских настроек."
+LangString inst_uninstall_question ${LANG_RUSSIAN} "Текущая версия будет деинсталлирована. Пользовательские настройки и торренты останутся нетронутыми."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
 LangString inst_unist ${LANG_RUSSIAN} "Деинсталлируется старая версия."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."

dist/windows/options.nsi

@@ -28,7 +28,7 @@ XPStyle on
 !define CSIDL_LOCALAPPDATA '0x1C' ;Local Application Data path
 
 ; Program specific
-!define PROG_VERSION "4.3.1"
+!define PROG_VERSION "4.3.4"
 
 !define MUI_FINISHPAGE_RUN
 !define MUI_FINISHPAGE_RUN_FUNCTION PageFinishRun
@@ -51,7 +51,7 @@ XPStyle on
 ;Installer Version Information
 VIAddVersionKey "ProductName" "qBittorrent"
 VIAddVersionKey "CompanyName" "The qBittorrent project"
-VIAddVersionKey "LegalCopyright" "Copyright ©2006-2020 The qBittorrent project"
+VIAddVersionKey "LegalCopyright" "Copyright ©2006-2021 The qBittorrent project"
 VIAddVersionKey "FileDescription" "qBittorrent - A Bittorrent Client"
 VIAddVersionKey "FileVersion" "${PROG_VERSION}"
 

m4/qbittorrent.m4

@@ -5,9 +5,9 @@
 # Sets the QT_QMAKE variable to the path of Qt5 qmake if found.
 # --------------------------------------
 AC_DEFUN([FIND_QT5],
-[PKG_CHECK_EXISTS([Qt5Core >= 5.9.0],
+[PKG_CHECK_EXISTS([Qt5Core >= 5.12],
                  [PKG_CHECK_VAR(QT_QMAKE,
-                                [Qt5Core >= 5.9.0],
+                                [Qt5Core >= 5.12],
                                 [host_bins])
                  ])
 
@@ -18,7 +18,7 @@ AS_IF([test -f "$QT_QMAKE/qmake"],
                              [QT_QMAKE=""])
               ])
 
-AC_MSG_CHECKING([for Qt5 qmake >= 5.9.0])
+AC_MSG_CHECKING([for Qt5 qmake >= 5.12])
 AS_IF([test "x$QT_QMAKE" != "x"],
       [AC_MSG_RESULT([$QT_QMAKE])],
       [AC_MSG_RESULT([not found])]
@@ -29,23 +29,23 @@ AS_IF([test "x$QT_QMAKE" != "x"],
 # Sets the HAVE_QTDBUS variable to true or false.
 # --------------------------------------
 AC_DEFUN([FIND_QTDBUS],
-       [AC_MSG_CHECKING([for Qt5DBus >= 5.9.0])
-       PKG_CHECK_EXISTS([Qt5DBus >= 5.9.0],
+       [AC_MSG_CHECKING([for Qt5DBus >= 5.12])
+       PKG_CHECK_EXISTS([Qt5DBus >= 5.12],
                         [AC_MSG_RESULT([found])
                          HAVE_QTDBUS=[true]],
                         [AC_MSG_RESULT([not found])
                          HAVE_QTDBUS=[false]])
 ])
 
-# DETECT_CPP14_PROGRAM()
-# Detects if at least C++14 mode is enabled.
+# DETECT_CPP17_PROGRAM()
+# Detects if at least C++17 mode is enabled.
 # --------------------------------------
-AC_DEFUN([DETECT_CPP14_PROGRAM],
+AC_DEFUN([DETECT_CPP17_PROGRAM],
        [AC_LANG_PROGRAM([[
             #ifndef __cplusplus
             #error "This is not a C++ compiler"
-            #elif __cplusplus < 201402L
-            #error "This is not a C++14 compiler"
+            #elif __cplusplus < 201703L
+            #error "This is not a C++17 compiler"
             #endif]],
             [[]])
 ])

macxconf.pri

@@ -7,6 +7,8 @@ else {
     include(conf.pri)
 }
 
+QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.14
+
 LIBS += -framework Carbon -framework IOKit -framework AppKit
 
 QT_LANG_PATH = ../dist/qt-translations

qbittorrent.pro

@@ -4,19 +4,6 @@ SUBDIRS += src
 
 include(version.pri)
 
-# Make target to create release tarball. Use 'make tarball'
-tarball.commands += rm -fR ../$${PROJECT_NAME}-$${PROJECT_VERSION}/ &&
-tarball.commands += git clone . ../$${PROJECT_NAME}-$${PROJECT_VERSION} &&
-tarball.commands += rm -fR ../$${PROJECT_NAME}-$${PROJECT_VERSION}/.git &&
-tarball.commands += rm -f ../$${PROJECT_NAME}-$${PROJECT_VERSION}/.gitignore &&
-tarball.commands += cd .. &&
-tarball.commands += tar czf $${PROJECT_NAME}-$${PROJECT_VERSION}.tar.gz $${PROJECT_NAME}-$${PROJECT_VERSION} &&
-tarball.commands += tar cf $${PROJECT_NAME}-$${PROJECT_VERSION}.tar $${PROJECT_NAME}-$${PROJECT_VERSION} &&
-tarball.commands += xz -f $${PROJECT_NAME}-$${PROJECT_VERSION}.tar &&
-tarball.commands += rm -fR $${PROJECT_NAME}-$${PROJECT_VERSION}
-
-QMAKE_EXTRA_TARGETS += tarball
-
 # For Qt Creator beautifier
 DISTFILES += \
     uncrustify.cfg

src/CMakeLists.txt

@@ -1,12 +1,12 @@
 if (UNIX AND (NOT APPLE) AND (NOT CYGWIN))
-    find_package(LibtorrentRasterbar QUIET ${requiredLibtorrentVersion} COMPONENTS torrent-rasterbar)
+    find_package(LibtorrentRasterbar QUIET ${minLibtorrentVersion} COMPONENTS torrent-rasterbar)
     if (NOT LibtorrentRasterbar_FOUND)
         include(FindPkgConfig)
-        pkg_check_modules(LIBTORRENT_RASTERBAR IMPORTED_TARGET GLOBAL "libtorrent-rasterbar>=${requiredLibtorrentVersion}")
+        pkg_check_modules(LIBTORRENT_RASTERBAR IMPORTED_TARGET GLOBAL "libtorrent-rasterbar>=${minLibtorrentVersion}")
         if (NOT LIBTORRENT_RASTERBAR_FOUND)
             message(
                 FATAL_ERROR
-                "Package LibtorrentRasterbar >= ${requiredLibtorrentVersion} not found"
+                "Package LibtorrentRasterbar >= ${minLibtorrentVersion} not found"
                 " with CMake or pkg-config.\n- Set LibtorrentRasterbar_DIR to a directory containing"
                 " a LibtorrentRasterbarConfig.cmake file or add the installation prefix of LibtorrentRasterbar"
                 " to CMAKE_PREFIX_PATH.\n- Alternatively, make sure there is a valid libtorrent-rasterbar.pc"
@@ -18,9 +18,9 @@ if (UNIX AND (NOT APPLE) AND (NOT CYGWIN))
         # force a fake package to show up in the feature summary
         set_property(GLOBAL APPEND PROPERTY
             PACKAGES_FOUND
-            "LibtorrentRasterbar via pkg-config (required version >= ${requiredLibtorrentVersion})"
+            "LibtorrentRasterbar via pkg-config (version >= ${minLibtorrentVersion})"
         )
-        set_package_properties("LibtorrentRasterbar via pkg-config (required version >= ${requiredLibtorrentVersion})"
+        set_package_properties("LibtorrentRasterbar via pkg-config (version >= ${minLibtorrentVersion})"
             PROPERTIES
             TYPE REQUIRED
         )
@@ -28,16 +28,16 @@ if (UNIX AND (NOT APPLE) AND (NOT CYGWIN))
         set_package_properties(LibtorrentRasterbar PROPERTIES TYPE REQUIRED)
     endif()
 else()
-    find_package(LibtorrentRasterbar ${requiredLibtorrentVersion} REQUIRED COMPONENTS torrent-rasterbar)
+    find_package(LibtorrentRasterbar ${minLibtorrentVersion} REQUIRED COMPONENTS torrent-rasterbar)
 endif()
 # force variable type so that it always shows up in ccmake/cmake-gui frontends
 set_property(CACHE LibtorrentRasterbar_DIR PROPERTY TYPE PATH)
-find_package(Boost ${requiredBoostVersion} REQUIRED)
-find_package(OpenSSL ${requiredOpenSSLVersion} REQUIRED)
-find_package(ZLIB ${requiredZlibVersion} REQUIRED)
-find_package(Qt5 ${requiredQtVersion} REQUIRED COMPONENTS Core Network Xml LinguistTools)
+find_package(Boost ${minBoostVersion} REQUIRED)
+find_package(OpenSSL ${minOpenSSLVersion} REQUIRED)
+find_package(ZLIB ${minZlibVersion} REQUIRED)
+find_package(Qt5 ${minQtVersion} REQUIRED COMPONENTS Core Network Xml LinguistTools)
 if (DBUS)
-    find_package(Qt5 ${requiredQtVersion} REQUIRED COMPONENTS DBus)
+    find_package(Qt5 ${minQtVersion} REQUIRED COMPONENTS DBus)
     set_package_properties(Qt5DBus PROPERTIES
         DESCRIPTION "Qt5 module for inter-process communication over the D-Bus protocol"
         PURPOSE "Required by the DBUS feature"
@@ -60,11 +60,11 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 add_subdirectory(base)
 
 if (GUI)
-    find_package(Qt5 ${requiredQtVersion} REQUIRED COMPONENTS Widgets Svg)
+    find_package(Qt5 ${minQtVersion} REQUIRED COMPONENTS Widgets Svg)
     if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-        find_package(Qt5 ${requiredQtVersion} REQUIRED COMPONENTS MacExtras)
+        find_package(Qt5 ${minQtVersion} REQUIRED COMPONENTS MacExtras)
     elseif (CMAKE_SYSTEM_NAME STREQUAL "Windows")
-        find_package(Qt5 ${requiredQtVersion} REQUIRED COMPONENTS WinExtras)
+        find_package(Qt5 ${minQtVersion} REQUIRED COMPONENTS WinExtras)
     endif()
     add_subdirectory(gui)
 endif()

src/app/CMakeLists.txt

@@ -4,22 +4,14 @@
 # Based on https://gist.github.com/giraldeau/546ba5512a74dfe9d8ea0862d66db412
 file(GLOB QBT_TS_FILES "${qBittorrent_SOURCE_DIR}/src/lang/*.ts")
 set_source_files_properties(${QBT_TS_FILES} PROPERTIES OUTPUT_LOCATION "${qBittorrent_BINARY_DIR}/src/lang")
-if (Qt5_VERSION VERSION_LESS 5.12)
-    qt5_add_translation(QBT_QM_FILES ${QBT_TS_FILES})
-else()
-    qt5_add_translation(QBT_QM_FILES ${QBT_TS_FILES} OPTIONS -silent)
-endif()
+qt5_add_translation(QBT_QM_FILES ${QBT_TS_FILES} OPTIONS -silent)
 configure_file("${qBittorrent_SOURCE_DIR}/src/lang/lang.qrc" "${qBittorrent_BINARY_DIR}/src/lang/lang.qrc" COPYONLY)
 
 if (WEBUI)
     file(GLOB QBT_WEBUI_TS_FILES "${qBittorrent_SOURCE_DIR}/src/webui/www/translations/*.ts")
     set_source_files_properties(${QBT_WEBUI_TS_FILES}
         PROPERTIES OUTPUT_LOCATION "${qBittorrent_BINARY_DIR}/src/webui/www/translations")
-    if (Qt5_VERSION VERSION_LESS 5.12)
-        qt5_add_translation(QBT_WEBUI_QM_FILES ${QBT_WEBUI_TS_FILES})
-    else()
-        qt5_add_translation(QBT_WEBUI_QM_FILES ${QBT_WEBUI_TS_FILES} OPTIONS -silent)
-    endif()
+    qt5_add_translation(QBT_WEBUI_QM_FILES ${QBT_WEBUI_TS_FILES} OPTIONS -silent)
     configure_file("${qBittorrent_SOURCE_DIR}/src/webui/www/translations/webui_translations.qrc"
         "${qBittorrent_BINARY_DIR}/src/webui/www/translations/webui_translations.qrc" COPYONLY)
 endif()
@@ -61,7 +53,6 @@ target_sources(qbt_app PRIVATE
 
 target_link_libraries(qbt_app PRIVATE
     qbt_base
-    qbt_version_definitions
 )
 
 set_target_properties(qbt_app PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}")

src/app/application.cpp

@@ -63,7 +63,7 @@
 
 #include "base/bittorrent/infohash.h"
 #include "base/bittorrent/session.h"
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/exceptions.h"
 #include "base/iconprovider.h"
 #include "base/logger.h"
@@ -81,6 +81,7 @@
 #include "base/utils/fs.h"
 #include "base/utils/misc.h"
 #include "base/utils/string.h"
+#include "base/version.h"
 #include "applicationinstancemanager.h"
 #include "filelogger.h"
 
@@ -214,7 +215,7 @@ const QBtCommandLineParameters &Application::commandLineArgs() const
 
 bool Application::isFileLoggerEnabled() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_ENABLED, true).toBool();
+    return settings()->loadValue(KEY_FILELOGGER_ENABLED, true);
 }
 
 void Application::setFileLoggerEnabled(const bool value)
@@ -228,8 +229,8 @@ void Application::setFileLoggerEnabled(const bool value)
 
 QString Application::fileLoggerPath() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_PATH,
-            {specialFolderLocation(SpecialFolder::Data) + LOG_FOLDER}).toString();
+    return settings()->loadValue(KEY_FILELOGGER_PATH
+        , QString {specialFolderLocation(SpecialFolder::Data) + LOG_FOLDER});
 }
 
 void Application::setFileLoggerPath(const QString &path)
@@ -241,7 +242,7 @@ void Application::setFileLoggerPath(const QString &path)
 
 bool Application::isFileLoggerBackup() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_BACKUP, true).toBool();
+    return settings()->loadValue(KEY_FILELOGGER_BACKUP, true);
 }
 
 void Application::setFileLoggerBackup(const bool value)
@@ -253,7 +254,7 @@ void Application::setFileLoggerBackup(const bool value)
 
 bool Application::isFileLoggerDeleteOld() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_DELETEOLD, true).toBool();
+    return settings()->loadValue(KEY_FILELOGGER_DELETEOLD, true);
 }
 
 void Application::setFileLoggerDeleteOld(const bool value)
@@ -265,7 +266,7 @@ void Application::setFileLoggerDeleteOld(const bool value)
 
 int Application::fileLoggerMaxSize() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_MAXSIZEBYTES, DEFAULT_FILELOG_SIZE).toInt();
+    const int val = settings()->loadValue(KEY_FILELOGGER_MAXSIZEBYTES, DEFAULT_FILELOG_SIZE);
     return std::min(std::max(val, MIN_FILELOG_SIZE), MAX_FILELOG_SIZE);
 }
 
@@ -279,7 +280,7 @@ void Application::setFileLoggerMaxSize(const int bytes)
 
 int Application::fileLoggerAge() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_AGE, 1).toInt();
+    const int val = settings()->loadValue(KEY_FILELOGGER_AGE, 1);
     return std::min(std::max(val, 1), 365);
 }
 
@@ -290,7 +291,7 @@ void Application::setFileLoggerAge(const int value)
 
 int Application::fileLoggerAgeType() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_AGETYPE, 1).toInt();
+    const int val = settings()->loadValue(KEY_FILELOGGER_AGETYPE, 1);
     return ((val < 0) || (val > 2)) ? 1 : val;
 }
 
@@ -310,16 +311,8 @@ void Application::processMessage(const QString &message)
         m_paramsQueue.append(params);
 }
 
-void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) const
+void Application::runExternalProgram(const BitTorrent::Torrent *torrent) const
 {
-    QString program = Preferences::instance()->getAutoRunProgram().trimmed();
-    program.replace("%N", torrent->name());
-    program.replace("%L", torrent->category());
-
-    QStringList tags = torrent->tags().values();
-    std::sort(tags.begin(), tags.end(), Utils::String::naturalLessThan<Qt::CaseInsensitive>);
-    program.replace("%G", tags.join(','));
-
 #if defined(Q_OS_WIN)
     const auto chopPathSep = [](const QString &str) -> QString
     {
@@ -327,21 +320,74 @@ void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) c
             return str.mid(0, (str.length() -1));
         return str;
     };
-    program.replace("%F", chopPathSep(Utils::Fs::toNativePath(torrent->contentPath())));
-    program.replace("%R", chopPathSep(Utils::Fs::toNativePath(torrent->rootPath())));
-    program.replace("%D", chopPathSep(Utils::Fs::toNativePath(torrent->savePath())));
-#else
-    program.replace("%F", Utils::Fs::toNativePath(torrent->contentPath()));
-    program.replace("%R", Utils::Fs::toNativePath(torrent->rootPath()));
-    program.replace("%D", Utils::Fs::toNativePath(torrent->savePath()));
 #endif
-    program.replace("%C", QString::number(torrent->filesCount()));
-    program.replace("%Z", QString::number(torrent->totalSize()));
-    program.replace("%T", torrent->currentTracker());
-    program.replace("%I", torrent->hash());
 
-    Logger *logger = Logger::instance();
-    logger->addMessage(tr("Torrent: %1, running external program, command: %2").arg(torrent->name(), program));
+    QString program = Preferences::instance()->getAutoRunProgram().trimmed();
+
+    for (int i = (program.length() - 2); i >= 0; --i)
+    {
+        if (program[i] != QLatin1Char('%'))
+            continue;
+
+        const ushort specifier = program[i + 1].unicode();
+        switch (specifier)
+        {
+        case u'C':
+            program.replace(i, 2, QString::number(torrent->filesCount()));
+            break;
+        case u'D':
+#if defined(Q_OS_WIN)
+            program.replace(i, 2, chopPathSep(Utils::Fs::toNativePath(torrent->savePath())));
+#else
+            program.replace(i, 2, Utils::Fs::toNativePath(torrent->savePath()));
+#endif
+            break;
+        case u'F':
+#if defined(Q_OS_WIN)
+            program.replace(i, 2, chopPathSep(Utils::Fs::toNativePath(torrent->contentPath())));
+#else
+            program.replace(i, 2, Utils::Fs::toNativePath(torrent->contentPath()));
+#endif
+            break;
+        case u'G':
+            {
+                QStringList tags = torrent->tags().values();
+                std::sort(tags.begin(), tags.end(), Utils::String::naturalLessThan<Qt::CaseInsensitive>);
+                program.replace(i, 2, tags.join(','));
+            }
+            break;
+        case u'I':
+            program.replace(i, 2, torrent->id().toString());
+            break;
+        case u'L':
+            program.replace(i, 2, torrent->category());
+            break;
+        case u'N':
+            program.replace(i, 2, torrent->name());
+            break;
+        case u'R':
+#if defined(Q_OS_WIN)
+            program.replace(i, 2, chopPathSep(Utils::Fs::toNativePath(torrent->rootPath())));
+#else
+            program.replace(i, 2, Utils::Fs::toNativePath(torrent->rootPath()));
+#endif
+            break;
+        case u'T':
+            program.replace(i, 2, torrent->currentTracker());
+            break;
+        case u'Z':
+            program.replace(i, 2, QString::number(torrent->totalSize()));
+            break;
+        default:
+            // do nothing
+            break;
+        }
+
+        // decrement `i` to avoid unwanted replacement, example pattern: "%%N"
+        --i;
+    }
+
+    LogMsg(tr("Torrent: %1, running external program, command: %2").arg(torrent->name(), program));
 
 #if defined(Q_OS_WIN)
     auto programWchar = std::make_unique<wchar_t[]>(program.length() + 1);
@@ -357,7 +403,6 @@ void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) c
     for (int i = 1; i < argCount; ++i)
         argList += QString::fromWCharArray(args[i]);
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
     QProcess proc;
     proc.setProgram(QString::fromWCharArray(args[0]));
     proc.setArguments(argList);
@@ -383,9 +428,6 @@ void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) c
         args->startupInfo->hStdError = nullptr;
     });
     proc.startDetached();
-#else
-    QProcess::startDetached(QString::fromWCharArray(args[0]), argList);
-#endif // QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
 #else // Q_OS_WIN
     // Cannot give users shell environment by default, as doing so could
     // enable command injection via torrent name and other arguments
@@ -404,7 +446,7 @@ void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) c
 #endif
 }
 
-void Application::sendNotificationEmail(const BitTorrent::TorrentHandle *torrent)
+void Application::sendNotificationEmail(const BitTorrent::Torrent *torrent)
 {
     // Prepare mail content
     const QString content = tr("Torrent name: %1").arg(torrent->name()) + '\n'
@@ -423,7 +465,7 @@ void Application::sendNotificationEmail(const BitTorrent::TorrentHandle *torrent
                      content);
 }
 
-void Application::torrentFinished(BitTorrent::TorrentHandle *const torrent)
+void Application::torrentFinished(BitTorrent::Torrent *const torrent)
 {
     Preferences *const pref = Preferences::instance();
 
@@ -505,7 +547,7 @@ void Application::processParams(const QStringList &params)
     }
 #endif
     BitTorrent::AddTorrentParams torrentParams;
-    TriStateBool skipTorrentDialog;
+    std::optional<bool> skipTorrentDialog;
 
     for (QString param : params)
     {
@@ -521,7 +563,7 @@ void Application::processParams(const QStringList &params)
 
         if (param.startsWith(QLatin1String("@addPaused=")))
         {
-            torrentParams.addPaused = param.midRef(11).toInt() ? TriStateBool::True : TriStateBool::False;
+            torrentParams.addPaused = (param.midRef(11).toInt() != 0);
             continue;
         }
 
@@ -551,7 +593,7 @@ void Application::processParams(const QStringList &params)
 
         if (param.startsWith(QLatin1String("@skipDialog=")))
         {
-            skipTorrentDialog = param.midRef(12).toInt() ? TriStateBool::True : TriStateBool::False;
+            skipTorrentDialog = (param.midRef(12).toInt() != 0);
             continue;
         }
 
@@ -561,9 +603,7 @@ void Application::processParams(const QStringList &params)
         // be shown and skipTorrentDialog is undefined. The other is when
         // skipTorrentDialog is false, meaning that the application setting
         // should be overridden.
-        const bool showDialogForThisTorrent =
-            ((AddNewTorrentDialog::isEnabled() && skipTorrentDialog == TriStateBool::Undefined)
-             || skipTorrentDialog == TriStateBool::False);
+        const bool showDialogForThisTorrent = !skipTorrentDialog.value_or(!AddNewTorrentDialog::isEnabled());
         if (showDialogForThisTorrent)
             AddNewTorrentDialog::show(param, torrentParams, m_window);
         else

src/app/application.h

@@ -59,7 +59,7 @@ class FileLogger;
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
 }
 
 namespace RSS
@@ -112,7 +112,7 @@ protected:
 
 private slots:
     void processMessage(const QString &message);
-    void torrentFinished(BitTorrent::TorrentHandle *const torrent);
+    void torrentFinished(BitTorrent::Torrent *const torrent);
     void allTorrentsFinished();
     void cleanup();
 #if (!defined(DISABLE_GUI) && defined(Q_OS_WIN))
@@ -142,6 +142,6 @@ private:
 
     void initializeTranslation();
     void processParams(const QStringList &params);
-    void runExternalProgram(const BitTorrent::TorrentHandle *torrent) const;
-    void sendNotificationEmail(const BitTorrent::TorrentHandle *torrent);
+    void runExternalProgram(const BitTorrent::Torrent *torrent) const;
+    void sendNotificationEmail(const BitTorrent::Torrent *torrent);
 };

src/app/cmdoptions.cpp

@@ -254,13 +254,13 @@ namespace
             return padUsageText(fullParameter() + QLatin1String("=<true|false>"));
         }
 
-        TriStateBool value(const QString &arg) const
+        std::optional<bool> value(const QString &arg) const
         {
             QStringList parts = arg.split(QLatin1Char('='));
 
             if (parts.size() == 1)
             {
-                return TriStateBool(m_defaultValue);
+                return m_defaultValue;
             }
             if (parts.size() == 2)
             {
@@ -268,11 +268,11 @@ namespace
 
                 if ((val.toUpper() == QLatin1String("TRUE")) || (val == QLatin1String("1")))
                 {
-                    return TriStateBool::True;
+                    return true;
                 }
                 if ((val.toUpper() == QLatin1String("FALSE")) || (val == QLatin1String("0")))
                 {
-                    return TriStateBool::False;
+                    return false;
                 }
             }
 
@@ -282,30 +282,30 @@ namespace
                                             .arg(fullParameter(), QLatin1String("<true|false>")));
         }
 
-        TriStateBool value(const QProcessEnvironment &env) const
+        std::optional<bool> value(const QProcessEnvironment &env) const
         {
             const QString val = env.value(envVarName(), "-1");
 
             if (val.isEmpty())
             {
-                return TriStateBool(m_defaultValue);
+                return m_defaultValue;
             }
             if (val == QLatin1String("-1"))
             {
-                return TriStateBool::Undefined;
+                return std::nullopt;
             }
             if ((val.toUpper() == QLatin1String("TRUE")) || (val == QLatin1String("1")))
             {
-                return TriStateBool::True;
+                return true;
             }
             if ((val.toUpper() == QLatin1String("FALSE")) || (val == QLatin1String("0")))
             {
-                return TriStateBool::False;
+                return false;
             }
 
             qDebug() << QObject::tr("Expected %1 in environment variable '%2', but got '%3'")
                 .arg(QLatin1String("true|false"), envVarName(), val);
-            return TriStateBool::Undefined;
+            return std::nullopt;
         }
 
         bool m_defaultValue;
@@ -374,14 +374,8 @@ QStringList QBtCommandLineParameters::paramList() const
     if (!savePath.isEmpty())
         result.append(QLatin1String("@savePath=") + savePath);
 
-    if (addPaused == TriStateBool::True)
-    {
-        result.append(QLatin1String("@addPaused=1"));
-    }
-    else if (addPaused == TriStateBool::False)
-    {
-        result.append(QLatin1String("@addPaused=0"));
-    }
+    if (addPaused.has_value())
+        result.append(*addPaused ? QLatin1String {"@addPaused=1"} : QLatin1String {"@addPaused=0"});
 
     if (skipChecking)
         result.append(QLatin1String("@skipChecking"));
@@ -395,14 +389,8 @@ QStringList QBtCommandLineParameters::paramList() const
     if (firstLastPiecePriority)
         result.append(QLatin1String("@firstLastPiecePriority"));
 
-    if (skipDialog == TriStateBool::True)
-    {
-        result.append(QLatin1String("@skipDialog=1"));
-    }
-    else if (skipDialog == TriStateBool::False)
-    {
-        result.append(QLatin1String("@skipDialog=0"));
-    }
+    if (skipDialog.has_value())
+        result.append(*skipDialog ? QLatin1String {"@skipDialog=1"} : QLatin1String {"@skipDialog=0"});
 
     result += torrents;
     return result;

src/app/cmdoptions.h

@@ -28,16 +28,14 @@
  * exception statement from your version.
  */
 
-#ifndef APP_OPTIONS_H
-#define APP_OPTIONS_H
+#pragma once
 
+#include <optional>
 #include <stdexcept>
 
 #include <QString>
 #include <QStringList>
 
-#include "base/tristatebool.h"
-
 class QProcessEnvironment;
 
 struct QBtCommandLineParameters
@@ -56,8 +54,8 @@ struct QBtCommandLineParameters
     bool shouldDaemonize;
 #endif
     int webUiPort;
-    TriStateBool addPaused;
-    TriStateBool skipDialog;
+    std::optional<bool> addPaused;
+    std::optional<bool> skipDialog;
     QStringList torrents;
     QString profileDir;
     QString configurationName;
@@ -81,5 +79,3 @@ private:
 
 QBtCommandLineParameters parseCommandLine(const QStringList &args);
 void displayUsage(const QString &prgName);
-
-#endif // APP_OPTIONS_H

src/app/filelogger.cpp

@@ -33,6 +33,7 @@
 #include <QDateTime>
 #include <QDir>
 #include <QTextStream>
+#include <QVector>
 
 #include "base/global.h"
 #include "base/logger.h"

src/app/filelogger.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef FILELOGGER_H
-#define FILELOGGER_H
+#pragma once
 
 #include <QFile>
 #include <QObject>
@@ -73,5 +72,3 @@ private:
     QFile m_logFile;
     QTimer m_flusher;
 };
-
-#endif // FILELOGGER_H

src/app/main.cpp

@@ -78,6 +78,7 @@ Q_IMPORT_PLUGIN(QICOPlugin)
 
 #include "base/preferences.h"
 #include "base/profile.h"
+#include "base/version.h"
 #include "application.h"
 #include "cmdoptions.h"
 #include "upgrade.h"
@@ -234,7 +235,7 @@ int main(int argc, char *argv[])
         // 3. https://bugreports.qt.io/browse/QTBUG-46015
 
         qputenv("QT_BEARER_POLL_TIMEOUT", QByteArray::number(-1));
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)) && !defined(DISABLE_GUI)
+#if !defined(DISABLE_GUI)
         // this is the default in Qt6
         app->setAttribute(Qt::AA_DisableWindowContextHelpButton);
 #endif
@@ -250,6 +251,9 @@ int main(int argc, char *argv[])
 
         // On OS X the standard is to not show icons in the menus
         app->setAttribute(Qt::AA_DontShowIconsInMenus);
+#else
+        if (!Preferences::instance()->iconsInMenusEnabled())
+            app->setAttribute(Qt::AA_DontShowIconsInMenus);
 #endif
 
         if (!firstTimeUser)
@@ -377,11 +381,7 @@ void showSplashScreen()
     const QString version = QBT_VERSION;
     painter.setPen(QPen(Qt::white));
     painter.setFont(QFont("Arial", 22, QFont::Black));
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
     painter.drawText(224 - painter.fontMetrics().horizontalAdvance(version), 270, version);
-#else
-    painter.drawText(224 - painter.fontMetrics().width(version), 270, version);
-#endif
     QSplashScreen *splash = new QSplashScreen(splashImg);
     splash->show();
     QTimer::singleShot(1500, splash, &QObject::deleteLater);

src/app/qtlocalpeer/qtlocalpeer.cpp

@@ -79,6 +79,7 @@
 #include <QDir>
 #include <QLocalServer>
 #include <QLocalSocket>
+#include <QRegularExpression>
 
 #include "base/utils/misc.h"
 
@@ -108,7 +109,7 @@ QtLocalPeer::QtLocalPeer(QObject* parent, const QString &appId)
 #endif
         prefix = id.section(QLatin1Char('/'), -1);
     }
-    prefix.remove(QRegExp("[^a-zA-Z]"));
+    prefix.remove(QRegularExpression("[^a-zA-Z]"));
     prefix.truncate(6);
 
     QByteArray idc = id.toUtf8();
@@ -152,7 +153,7 @@ bool QtLocalPeer::isClient()
 #endif
     if (!res)
         qWarning("QtSingleCoreApplication: listen on local socket failed, %s", qPrintable(server->errorString()));
-    QObject::connect(server, SIGNAL(newConnection()), SLOT(receiveConnection()));
+    connect(server, &QLocalServer::newConnection, this, &QtLocalPeer::receiveConnection);
     return false;
 }
 

src/app/qtlocalpeer/qtlocalpeer.h

@@ -66,8 +66,7 @@
 ****************************************************************************
 */
 
-#ifndef QTLOCALPEER_H
-#define QTLOCALPEER_H
+#pragma once
 
 #include "qtlockedfile.h"
 
@@ -99,5 +98,3 @@ protected:
 private:
     static const char* ack;
 };
-
-#endif // QTLOCALPEER_H

src/app/qtlocalpeer/qtlockedfile.h

@@ -66,8 +66,7 @@
 ****************************************************************************
 */
 
-#ifndef QTLOCKEDFILE_H
-#define QTLOCKEDFILE_H
+#pragma once
 
 #include <QFile>
 
@@ -112,5 +111,3 @@ namespace QtLP_Private
         LockMode m_lock_mode;
     };
 }
-
-#endif

src/app/stacktrace_win.h

@@ -18,13 +18,13 @@
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
-#ifndef STACKTRACE_WIN_H
-#define STACKTRACE_WIN_H
+#pragma once
 
 #include <windows.h>
 #include <dbghelp.h>
 #include <stdio.h>
 
+#include <QCoreApplication>
 #include <QDir>
 #include <QTextStream>
 #ifdef __MINGW32__
@@ -257,7 +257,7 @@ const QString straceWin::getBacktrace()
 
     HANDLE hProcess = GetCurrentProcess();
     HANDLE hThread = GetCurrentThread();
-    SymInitialize(hProcess, NULL, TRUE);
+    SymInitializeW(hProcess, QCoreApplication::applicationDirPath().toStdWString().c_str(), TRUE);
 
     DWORD64 dwDisplacement;
 
@@ -355,5 +355,3 @@ const QString straceWin::getBacktrace()
 #pragma warning(pop)
 #pragma optimize("g", on)
 #endif
-
-#endif // STACKTRACE_WIN_H

src/app/stacktracedialog.cpp

@@ -32,6 +32,7 @@
 #include <QString>
 
 #include "base/utils/misc.h"
+#include "base/version.h"
 #include "ui_stacktracedialog.h"
 
 StacktraceDialog::StacktraceDialog(QWidget *parent)

src/app/stacktracedialog.h

@@ -27,8 +27,7 @@
  *
  */
 
-#ifndef STACKTRACEDIALOG_H
-#define STACKTRACEDIALOG_H
+#pragma once
 
 #include <QDialog>
 
@@ -51,5 +50,3 @@ public:
 private:
     Ui::StacktraceDialog *m_ui;
 };
-
-#endif // STACKTRACEDIALOG_H

src/app/upgrade.cpp

@@ -29,11 +29,15 @@
 #include "upgrade.h"
 
 #include <QFile>
+#include <QMetaEnum>
+#include <QVector>
 
+#include "base/bittorrent/torrentcontentlayout.h"
 #include "base/logger.h"
 #include "base/profile.h"
 #include "base/settingsstorage.h"
 #include "base/utils/fs.h"
+#include "base/utils/string.h"
 
 namespace
 {
@@ -42,8 +46,8 @@ namespace
         const auto migrate = [](const QString &oldKey, const QString &newKey, const QString &savePath)
         {
             SettingsStorage *settingsStorage {SettingsStorage::instance()};
-            const QByteArray oldData {settingsStorage->loadValue(oldKey).toByteArray()};
-            const QString newData {settingsStorage->loadValue(newKey).toString()};
+            const auto oldData {settingsStorage->loadValue<QByteArray>(oldKey)};
+            const auto newData {settingsStorage->loadValue<QString>(newKey)};
             const QString errorMsgFormat {QObject::tr("Migrate preferences failed: WebUI https, file: \"%1\", error: \"%2\"")};
 
             if (!newData.isEmpty() || oldData.isEmpty())
@@ -78,11 +82,32 @@ namespace
             , QLatin1String("Preferences/WebUI/HTTPS/KeyPath")
             , Utils::Fs::toNativePath(configPath + QLatin1String("WebUIPrivateKey.pem")));
     }
+
+    void upgradeTorrentContentLayout()
+    {
+        const QString oldKey {QLatin1String {"BitTorrent/Session/CreateTorrentSubfolder"}};
+        const QString newKey {QLatin1String {"BitTorrent/Session/TorrentContentLayout"}};
+
+        SettingsStorage *settingsStorage {SettingsStorage::instance()};
+        const auto oldData {settingsStorage->loadValue<QVariant>(oldKey)};
+        const auto newData {settingsStorage->loadValue<QString>(newKey)};
+
+        if (!newData.isEmpty() || !oldData.isValid())
+            return;
+
+        const bool createSubfolder = oldData.toBool();
+        const BitTorrent::TorrentContentLayout torrentContentLayout =
+                (createSubfolder ? BitTorrent::TorrentContentLayout::Original : BitTorrent::TorrentContentLayout::NoSubfolder);
+
+        settingsStorage->storeValue(newKey, Utils::String::fromEnum(torrentContentLayout));
+        settingsStorage->removeValue(oldKey);
+    }
 }
 
 bool upgrade(const bool /*ask*/)
 {
     exportWebUIHttpsFiles();
+    upgradeTorrentContentLayout();
     return true;
 }
 
@@ -103,7 +128,7 @@ void handleChangedDefaults(const DefaultPreferencesMode mode)
     SettingsStorage *settingsStorage {SettingsStorage::instance()};
     for (auto it = changedDefaults.cbegin(); it != changedDefaults.cend(); ++it)
     {
-        if (settingsStorage->loadValue(it->name).isNull())
+        if (settingsStorage->loadValue<QVariant>(it->name).isNull())
             settingsStorage->storeValue(it->name, (mode == DefaultPreferencesMode::Legacy ? it->legacy : it->current));
     }
 }

src/base/CMakeLists.txt

@@ -2,12 +2,14 @@ add_library(qbt_base STATIC
     # headers
     algorithm.h
     asyncfilestorage.h
+    bittorrent/abstractfilestorage.h
     bittorrent/addtorrentparams.h
     bittorrent/bandwidthscheduler.h
     bittorrent/cachestatus.h
     bittorrent/common.h
     bittorrent/customstorage.h
     bittorrent/downloadpriority.h
+    bittorrent/filesearcher.h
     bittorrent/filterparserthread.h
     bittorrent/infohash.h
     bittorrent/ltqhash.h
@@ -23,12 +25,14 @@ add_library(qbt_base STATIC
     bittorrent/sessionstatus.h
     bittorrent/speedmonitor.h
     bittorrent/statistics.h
+    bittorrent/torrent.h
+    bittorrent/torrentcontentlayout.h
     bittorrent/torrentcreatorthread.h
-    bittorrent/torrenthandle.h
-    bittorrent/torrenthandleimpl.h
+    bittorrent/torrentimpl.h
     bittorrent/torrentinfo.h
     bittorrent/tracker.h
     bittorrent/trackerentry.h
+    digest32.h
     exceptions.h
     filesystemwatcher.h
     global.h
@@ -70,7 +74,6 @@ add_library(qbt_base STATIC
     settingsstorage.h
     torrentfileguard.h
     torrentfilter.h
-    tristatebool.h
     types.h
     unicodestrings.h
     utils/bytearray.h
@@ -84,12 +87,15 @@ add_library(qbt_base STATIC
     utils/random.h
     utils/string.h
     utils/version.h
+    version.h
 
     # sources
     asyncfilestorage.cpp
+    bittorrent/abstractfilestorage.cpp
     bittorrent/bandwidthscheduler.cpp
     bittorrent/customstorage.cpp
     bittorrent/downloadpriority.cpp
+    bittorrent/filesearcher.cpp
     bittorrent/filterparserthread.cpp
     bittorrent/infohash.cpp
     bittorrent/magneturi.cpp
@@ -102,9 +108,9 @@ add_library(qbt_base STATIC
     bittorrent/session.cpp
     bittorrent/speedmonitor.cpp
     bittorrent/statistics.cpp
+    bittorrent/torrent.cpp
     bittorrent/torrentcreatorthread.cpp
-    bittorrent/torrenthandle.cpp
-    bittorrent/torrenthandleimpl.cpp
+    bittorrent/torrentimpl.cpp
     bittorrent/torrentinfo.cpp
     bittorrent/tracker.cpp
     bittorrent/trackerentry.cpp
@@ -145,7 +151,6 @@ add_library(qbt_base STATIC
     settingsstorage.cpp
     torrentfileguard.cpp
     torrentfilter.cpp
-    tristatebool.cpp
     utils/bytearray.cpp
     utils/foreignapps.cpp
     utils/fs.cpp
@@ -162,7 +167,6 @@ target_link_libraries(qbt_base
     PRIVATE
         OpenSSL::Crypto OpenSSL::SSL
         ZLIB::ZLIB
-        qbt_version_definitions
     PUBLIC
         LibtorrentRasterbar::torrent-rasterbar
         Qt5::Core Qt5::Network Qt5::Xml

src/base/algorithm.h

@@ -32,9 +32,6 @@
 
 namespace Algorithm
 {
-    template <typename ...>
-    using void_t = void;  // replace this with std::void_t in C++17
-
     template <typename T, typename = void>
     struct HasMappedType
         : std::false_type
@@ -42,7 +39,7 @@ namespace Algorithm
     };
 
     template <typename T>
-    struct HasMappedType<T, void_t<typename T::mapped_type>>
+    struct HasMappedType<T, std::void_t<typename T::mapped_type>>
         : std::true_type
     {
     };

src/base/asyncfilestorage.cpp

@@ -55,13 +55,8 @@ AsyncFileStorage::~AsyncFileStorage()
 
 void AsyncFileStorage::store(const QString &fileName, const QByteArray &data)
 {
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
     QMetaObject::invokeMethod(this, [this, data, fileName]() { store_impl(fileName, data); }
                               , Qt::QueuedConnection);
-#else
-    QMetaObject::invokeMethod(this, "store_impl", Qt::QueuedConnection
-                              , Q_ARG(QString, fileName), Q_ARG(QByteArray, data));
-#endif
 }
 
 QDir AsyncFileStorage::storageDir() const

src/base/base.pri

@@ -1,12 +1,14 @@
 HEADERS += \
     $$PWD/algorithm.h \
     $$PWD/asyncfilestorage.h \
+    $$PWD/bittorrent/abstractfilestorage.h \
     $$PWD/bittorrent/addtorrentparams.h \
     $$PWD/bittorrent/bandwidthscheduler.h \
     $$PWD/bittorrent/cachestatus.h \
     $$PWD/bittorrent/common.h \
     $$PWD/bittorrent/customstorage.h \
     $$PWD/bittorrent/downloadpriority.h \
+    $$PWD/bittorrent/filesearcher.h \
     $$PWD/bittorrent/filterparserthread.h \
     $$PWD/bittorrent/infohash.h \
     $$PWD/bittorrent/ltqhash.h \
@@ -22,12 +24,14 @@ HEADERS += \
     $$PWD/bittorrent/sessionstatus.h \
     $$PWD/bittorrent/speedmonitor.h \
     $$PWD/bittorrent/statistics.h \
+    $$PWD/bittorrent/torrent.h \
+    $$PWD/bittorrent/torrentcontentlayout.h \
     $$PWD/bittorrent/torrentcreatorthread.h \
-    $$PWD/bittorrent/torrenthandle.h \
-    $$PWD/bittorrent/torrenthandleimpl.h \
+    $$PWD/bittorrent/torrentimpl.h \
     $$PWD/bittorrent/torrentinfo.h \
     $$PWD/bittorrent/tracker.h \
     $$PWD/bittorrent/trackerentry.h \
+    $$PWD/digest32.h \
     $$PWD/exceptions.h \
     $$PWD/filesystemwatcher.h \
     $$PWD/global.h \
@@ -70,7 +74,6 @@ HEADERS += \
     $$PWD/settingvalue.h \
     $$PWD/torrentfileguard.h \
     $$PWD/torrentfilter.h \
-    $$PWD/tristatebool.h \
     $$PWD/types.h \
     $$PWD/unicodestrings.h \
     $$PWD/utils/bytearray.h \
@@ -83,13 +86,16 @@ HEADERS += \
     $$PWD/utils/password.h \
     $$PWD/utils/random.h \
     $$PWD/utils/string.h \
-    $$PWD/utils/version.h
+    $$PWD/utils/version.h \
+    $$PWD/version.h
 
 SOURCES += \
     $$PWD/asyncfilestorage.cpp \
+    $$PWD/bittorrent/abstractfilestorage.cpp \
     $$PWD/bittorrent/bandwidthscheduler.cpp \
     $$PWD/bittorrent/customstorage.cpp \
     $$PWD/bittorrent/downloadpriority.cpp \
+    $$PWD/bittorrent/filesearcher.cpp \
     $$PWD/bittorrent/filterparserthread.cpp \
     $$PWD/bittorrent/infohash.cpp \
     $$PWD/bittorrent/magneturi.cpp \
@@ -102,9 +108,9 @@ SOURCES += \
     $$PWD/bittorrent/session.cpp \
     $$PWD/bittorrent/speedmonitor.cpp \
     $$PWD/bittorrent/statistics.cpp \
+    $$PWD/bittorrent/torrent.cpp \
     $$PWD/bittorrent/torrentcreatorthread.cpp \
-    $$PWD/bittorrent/torrenthandle.cpp \
-    $$PWD/bittorrent/torrenthandleimpl.cpp \
+    $$PWD/bittorrent/torrentimpl.cpp \
     $$PWD/bittorrent/torrentinfo.cpp \
     $$PWD/bittorrent/tracker.cpp \
     $$PWD/bittorrent/trackerentry.cpp \
@@ -145,7 +151,6 @@ SOURCES += \
     $$PWD/settingsstorage.cpp \
     $$PWD/torrentfileguard.cpp \
     $$PWD/torrentfilter.cpp \
-    $$PWD/tristatebool.cpp \
     $$PWD/utils/bytearray.cpp \
     $$PWD/utils/foreignapps.cpp \
     $$PWD/utils/fs.cpp \

src/base/bittorrent/abstractfilestorage.cpp

@@ -0,0 +1,138 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "abstractfilestorage.h"
+
+#include <QDir>
+#include <QHash>
+#include <QVector>
+
+#include "base/bittorrent/common.h"
+#include "base/exceptions.h"
+#include "base/utils/fs.h"
+
+#if defined(Q_OS_WIN)
+const Qt::CaseSensitivity CASE_SENSITIVITY {Qt::CaseInsensitive};
+#else
+const Qt::CaseSensitivity CASE_SENSITIVITY {Qt::CaseSensitive};
+#endif
+
+namespace
+{
+    bool areSameFileNames(QString first, QString second)
+    {
+        if (first.endsWith(QB_EXT, Qt::CaseInsensitive))
+            first.chop(QB_EXT.size());
+        if (second.endsWith(QB_EXT, Qt::CaseInsensitive))
+            second.chop(QB_EXT.size());
+        return QString::compare(first, second, CASE_SENSITIVITY) == 0;
+    }
+}
+
+void BitTorrent::AbstractFileStorage::renameFile(const QString &oldPath, const QString &newPath)
+{
+    if (!Utils::Fs::isValidFileSystemName(oldPath, true))
+        throw RuntimeError {tr("The old path is invalid: '%1'.").arg(oldPath)};
+    if (!Utils::Fs::isValidFileSystemName(newPath, true))
+        throw RuntimeError {tr("The new path is invalid: '%1'.").arg(newPath)};
+
+    const QString oldFilePath = Utils::Fs::toUniformPath(oldPath);
+    if (oldFilePath.endsWith(QLatin1Char {'/'}))
+        throw RuntimeError {tr("Invalid file path: '%1'.").arg(oldFilePath)};
+
+    const QString newFilePath = Utils::Fs::toUniformPath(newPath);
+    if (newFilePath.endsWith(QLatin1Char {'/'}))
+        throw RuntimeError {tr("Invalid file path: '%1'.").arg(newFilePath)};
+    if (QDir().isAbsolutePath(newFilePath))
+        throw RuntimeError {tr("Absolute path isn't allowed: '%1'.").arg(newFilePath)};
+
+    int renamingFileIndex = -1;
+    for (int i = 0; i < filesCount(); ++i)
+    {
+        const QString path = filePath(i);
+
+        if ((renamingFileIndex < 0) && areSameFileNames(path, oldFilePath))
+            renamingFileIndex = i;
+        else if (areSameFileNames(path, newFilePath))
+            throw RuntimeError {tr("The file already exists: '%1'.").arg(newFilePath)};
+    }
+
+    if (renamingFileIndex < 0)
+        throw RuntimeError {tr("No such file: '%1'.").arg(oldFilePath)};
+
+    const auto extAdjusted = [](const QString &path, const bool needExt) -> QString
+    {
+        if (path.endsWith(QB_EXT, Qt::CaseInsensitive) == needExt)
+            return path;
+
+        return (needExt ? (path + QB_EXT) : (path.left(path.size() - QB_EXT.size())));
+    };
+
+    renameFile(renamingFileIndex, extAdjusted(newFilePath, filePath(renamingFileIndex).endsWith(QB_EXT, Qt::CaseInsensitive)));
+}
+
+void BitTorrent::AbstractFileStorage::renameFolder(const QString &oldPath, const QString &newPath)
+{
+    if (!Utils::Fs::isValidFileSystemName(oldPath, true))
+        throw RuntimeError {tr("The old path is invalid: '%1'.").arg(oldPath)};
+    if (!Utils::Fs::isValidFileSystemName(newPath, true))
+        throw RuntimeError {tr("The new path is invalid: '%1'.").arg(newPath)};
+
+    const auto cleanFolderPath = [](const QString &path) -> QString
+    {
+        const QString uniformPath = Utils::Fs::toUniformPath(path);
+        return (uniformPath.endsWith(QLatin1Char {'/'}) ? uniformPath : uniformPath + QLatin1Char {'/'});
+    };
+
+    const QString oldFolderPath = cleanFolderPath(oldPath);
+    const QString newFolderPath = cleanFolderPath(newPath);
+    if (QDir().isAbsolutePath(newFolderPath))
+        throw RuntimeError {tr("Absolute path isn't allowed: '%1'.").arg(newFolderPath)};
+
+    QVector<int> renamingFileIndexes;
+    renamingFileIndexes.reserve(filesCount());
+
+    for (int i = 0; i < filesCount(); ++i)
+    {
+        const QString path = filePath(i);
+
+        if (path.startsWith(oldFolderPath, CASE_SENSITIVITY))
+            renamingFileIndexes.append(i);
+        else if (path.startsWith(newFolderPath, CASE_SENSITIVITY))
+            throw RuntimeError {tr("The folder already exists: '%1'.").arg(newFolderPath)};
+    }
+
+    if (renamingFileIndexes.isEmpty())
+        throw RuntimeError {tr("No such folder: '%1'.").arg(oldFolderPath)};
+
+    for (const int index : renamingFileIndexes)
+    {
+        const QString newFilePath = newFolderPath + filePath(index).mid(oldFolderPath.size());
+        renameFile(index, newFilePath);
+    }
+}

src/base/bittorrent/abstractfilestorage.h

@@ -0,0 +1,53 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QtGlobal>
+#include <QCoreApplication>
+
+class QString;
+
+namespace BitTorrent
+{
+    class AbstractFileStorage
+    {
+        Q_DECLARE_TR_FUNCTIONS(AbstractFileStorage)
+
+    public:
+        virtual int filesCount() const = 0;
+        virtual QString filePath(int index) const = 0;
+        virtual QString fileName(int index) const = 0;
+        virtual qlonglong fileSize(int index) const = 0;
+
+        virtual void renameFile(int index, const QString &name) = 0;
+
+        void renameFile(const QString &oldPath, const QString &newPath);
+        void renameFolder(const QString &oldPath, const QString &newPath);
+    };
+}

src/base/bittorrent/addtorrentparams.h

@@ -28,12 +28,14 @@
 
 #pragma once
 
+#include <optional>
+
 #include <QSet>
 #include <QString>
 #include <QVector>
 
-#include "base/tristatebool.h"
-#include "torrenthandle.h"
+#include "torrent.h"
+#include "torrentcontentlayout.h"
 
 namespace BitTorrent
 {
@@ -48,15 +50,15 @@ namespace BitTorrent
         bool disableTempPath = false; // e.g. for imported torrents
         bool sequential = false;
         bool firstLastPiecePriority = false;
-        TriStateBool addForced;
-        TriStateBool addPaused;
+        bool addForced = false;
+        std::optional<bool> addPaused;
         QVector<DownloadPriority> filePriorities; // used if TorrentInfo is set
         bool skipChecking = false;
-        TriStateBool createSubfolder;
-        TriStateBool useAutoTMM;
+        std::optional<BitTorrent::TorrentContentLayout> contentLayout;
+        std::optional<bool> useAutoTMM;
         int uploadLimit = -1;
         int downloadLimit = -1;
-        int seedingTimeLimit = TorrentHandle::USE_GLOBAL_SEEDING_TIME;
-        qreal ratioLimit = TorrentHandle::USE_GLOBAL_RATIO;
+        int seedingTimeLimit = Torrent::USE_GLOBAL_SEEDING_TIME;
+        qreal ratioLimit = Torrent::USE_GLOBAL_RATIO;
     };
 }

src/base/bittorrent/bandwidthscheduler.h

@@ -27,8 +27,7 @@
  * exception statement from your version.
  */
 
-#ifndef BANDWIDTHSCHEDULER_H
-#define BANDWIDTHSCHEDULER_H
+#pragma once
 
 #include <QObject>
 #include <QTimer>
@@ -52,5 +51,3 @@ private:
     QTimer m_timer;
     bool m_lastAlternative;
 };
-
-#endif // BANDWIDTHSCHEDULER_H

src/base/bittorrent/cachestatus.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_CACHESTATUS_H
-#define BITTORRENT_CACHESTATUS_H
+#pragma once
 
 #include <QtGlobal>
 
@@ -39,8 +38,6 @@ namespace BitTorrent
         quint64 jobQueueLength = 0;
         quint64 averageJobTime = 0;
         quint64 queuedBytes = 0;
-        qreal readRatio = 0.0;
+        qreal readRatio = 0;  // TODO: remove when LIBTORRENT_VERSION_NUM >= 20000
     };
 }
-
-#endif // BITTORRENT_CACHESTATUS_H

src/base/bittorrent/common.h

@@ -30,5 +30,4 @@
 
 #include <QString>
 
-// TODO: Make it inline in C++17
-extern const QString QB_EXT;
+inline const QString QB_EXT {QStringLiteral(".!qB")};

src/base/bittorrent/filesearcher.cpp

@@ -0,0 +1,69 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "filesearcher.h"
+
+#include <QDir>
+
+#include "base/bittorrent/common.h"
+#include "base/bittorrent/infohash.h"
+
+void FileSearcher::search(const BitTorrent::TorrentID &id, const QStringList &originalFileNames
+                          , const QString &completeSavePath, const QString &incompleteSavePath)
+{
+    const auto findInDir = [](const QString &dirPath, QStringList &fileNames) -> bool
+    {
+        const QDir dir {dirPath};
+        bool found = false;
+        for (QString &fileName : fileNames)
+        {
+            if (dir.exists(fileName))
+            {
+                found = true;
+            }
+            else if (dir.exists(fileName + QB_EXT))
+            {
+                found = true;
+                fileName += QB_EXT;
+            }
+        }
+
+        return found;
+    };
+
+    QString savePath = completeSavePath;
+    QStringList adjustedFileNames = originalFileNames;
+    const bool found = findInDir(savePath, adjustedFileNames);
+    if (!found && !incompleteSavePath.isEmpty())
+    {
+        savePath = incompleteSavePath;
+        findInDir(savePath, adjustedFileNames);
+    }
+
+    emit searchFinished(id, savePath, adjustedFileNames);
+}

src/base/bittorrent/filesearcher.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -26,8 +26,27 @@
  * exception statement from your version.
  */
 
-#include "tristatebool.h"
+#pragma once
 
-const TriStateBool TriStateBool::Undefined(-1);
-const TriStateBool TriStateBool::False(0);
-const TriStateBool TriStateBool::True(1);
+#include <QObject>
+
+namespace BitTorrent
+{
+    class TorrentID;
+}
+
+class FileSearcher final : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(FileSearcher)
+
+public:
+    FileSearcher() = default;
+
+public slots:
+    void search(const BitTorrent::TorrentID &id, const QStringList &originalFileNames
+                , const QString &completeSavePath, const QString &incompleteSavePath);
+
+signals:
+    void searchFinished(const BitTorrent::TorrentID &id, const QString &savePath, const QStringList &fileNames);
+};

src/base/bittorrent/filterparserthread.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef FILTERPARSERTHREAD_H
-#define FILTERPARSERTHREAD_H
+#pragma once
 
 #include <libtorrent/ip_filter.hpp>
 
@@ -64,5 +63,3 @@ private:
     QString m_filePath;
     lt::ip_filter m_filter;
 };
-
-#endif // BITTORRENT_FILTERPARSERTHREAD_H

src/base/bittorrent/infohash.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015, 2021  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,66 +28,54 @@
 
 #include "infohash.h"
 
-#include <QByteArray>
-#include <QHash>
+const int TorrentIDTypeId = qRegisterMetaType<BitTorrent::TorrentID>();
 
-using namespace BitTorrent;
-
-InfoHash::InfoHash()
-    : m_valid(false)
+BitTorrent::InfoHash::InfoHash(const WrappedType &nativeHash)
+    : m_valid {true}
+    , m_nativeHash {nativeHash}
 {
 }
 
-InfoHash::InfoHash(const lt::sha1_hash &nativeHash)
-    : m_valid(true)
-    , m_nativeHash(nativeHash)
-{
-    const QByteArray raw = QByteArray::fromRawData(nativeHash.data(), length());
-    m_hashString = QString::fromLatin1(raw.toHex());
-}
-
-InfoHash::InfoHash(const QString &hashString)
-    : m_valid(false)
-{
-    if (hashString.size() != (length() * 2))
-        return;
-
-    const QByteArray raw = QByteArray::fromHex(hashString.toLatin1());
-    if (raw.size() != length())  // QByteArray::fromHex() will skip over invalid characters
-        return;
-
-    m_valid = true;
-    m_hashString = hashString;
-    m_nativeHash.assign(raw.constData());
-}
-
-bool InfoHash::isValid() const
+bool BitTorrent::InfoHash::isValid() const
 {
     return m_valid;
 }
 
-InfoHash::operator lt::sha1_hash() const
+BitTorrent::TorrentID BitTorrent::InfoHash::toTorrentID() const
+{
+#if (LIBTORRENT_VERSION_NUM >= 20000)
+    return m_nativeHash.get_best();
+#else
+    return {m_nativeHash};
+#endif
+}
+
+BitTorrent::InfoHash::operator WrappedType() const
 {
     return m_nativeHash;
 }
 
-InfoHash::operator QString() const
+BitTorrent::TorrentID BitTorrent::TorrentID::fromString(const QString &hashString)
 {
-    return m_hashString;
+    return {BaseType::fromString(hashString)};
 }
 
-bool BitTorrent::operator==(const InfoHash &left, const InfoHash &right)
+BitTorrent::TorrentID BitTorrent::TorrentID::fromInfoHash(const BitTorrent::InfoHash &infoHash)
 {
-    return (static_cast<lt::sha1_hash>(left)
-            == static_cast<lt::sha1_hash>(right));
+    return infoHash.toTorrentID();
 }
 
-bool BitTorrent::operator!=(const InfoHash &left, const InfoHash &right)
+uint BitTorrent::qHash(const BitTorrent::TorrentID &key, const uint seed)
+{
+    return ::qHash(std::hash<TorrentID::UnderlyingType>()(key), seed);
+}
+
+bool BitTorrent::operator==(const BitTorrent::InfoHash &left, const BitTorrent::InfoHash &right)
+{
+    return (static_cast<InfoHash::WrappedType>(left) == static_cast<InfoHash::WrappedType>(right));
+}
+
+bool BitTorrent::operator!=(const BitTorrent::InfoHash &left, const BitTorrent::InfoHash &right)
 {
     return !(left == right);
 }
-
-uint BitTorrent::qHash(const InfoHash &key, const uint seed)
-{
-    return ::qHash((std::hash<lt::sha1_hash> {})(key), seed);
-}

src/base/bittorrent/infohash.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015, 2021  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -26,42 +26,62 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_INFOHASH_H
-#define BITTORRENT_INFOHASH_H
+#pragma once
 
-#include <libtorrent/sha1_hash.hpp>
+#include <libtorrent/version.hpp>
+#if (LIBTORRENT_VERSION_NUM >= 20000)
+#include <libtorrent/info_hash.hpp>
+#endif
 
-#include <QString>
+#include <QHash>
+#include <QMetaType>
+
+#include "base/digest32.h"
+
+using SHA1Hash = Digest32<160>;
+using SHA256Hash = Digest32<256>;
 
 namespace BitTorrent
 {
+    class InfoHash;
+
+    class TorrentID : public Digest32<160>
+    {
+    public:
+        using BaseType = Digest32<160>;
+        using BaseType::BaseType;
+
+        static TorrentID fromString(const QString &hashString);
+        static TorrentID fromInfoHash(const InfoHash &infoHash);
+    };
+
     class InfoHash
     {
     public:
-        InfoHash();
-        InfoHash(const lt::sha1_hash &nativeHash);
-        InfoHash(const QString &hashString);
-        InfoHash(const InfoHash &other) = default;
+#if (LIBTORRENT_VERSION_NUM >= 20000)
+        using WrappedType = lt::info_hash_t;
+#else
+        using WrappedType = lt::sha1_hash;
+#endif
 
-        static constexpr int length()
-        {
-            return lt::sha1_hash::size();
-        }
+        InfoHash() = default;
+        InfoHash(const InfoHash &other) = default;
+        InfoHash(const WrappedType &nativeHash);
 
         bool isValid() const;
+        TorrentID toTorrentID() const;
 
-        operator lt::sha1_hash() const;
-        operator QString() const;
+        operator WrappedType() const;
 
     private:
-        bool m_valid;
-        lt::sha1_hash m_nativeHash;
-        QString m_hashString;
+        bool m_valid = false;
+        WrappedType m_nativeHash;
     };
 
+    uint qHash(const TorrentID &key, uint seed);
+
     bool operator==(const InfoHash &left, const InfoHash &right);
     bool operator!=(const InfoHash &left, const InfoHash &right);
-    uint qHash(const InfoHash &key, uint seed);
 }
 
-#endif // BITTORRENT_INFOHASH_H
+Q_DECLARE_METATYPE(BitTorrent::TorrentID)

src/base/bittorrent/ltunderlyingtype.h

@@ -30,9 +30,6 @@
 
 #include <type_traits>
 
-template <typename ...>
-using void_t = void;  // replace this with std::void_t in C++17
-
 template <typename T, typename = void>
 struct HasUnderlyingType
     : std::false_type
@@ -40,7 +37,7 @@ struct HasUnderlyingType
 };
 
 template <typename T>
-struct HasUnderlyingType<T, void_t<typename T::underlying_type>>
+struct HasUnderlyingType<T, std::void_t<typename T::underlying_type>>
     : std::true_type
 {
 };

src/base/bittorrent/magneturi.cpp

@@ -40,15 +40,15 @@
 
 namespace
 {
-    bool isBitTorrentInfoHash(const QString &string)
+    bool isSHA1Hash(const QString &string)
     {
         // There are 2 representations for BitTorrent info hash:
         // 1. 40 chars hex-encoded string
         //      == 20 (SHA-1 length in bytes) * 2 (each byte maps to 2 hex characters)
         // 2. 32 chars Base32 encoded string
         //      == 20 (SHA-1 length in bytes) * 1.6 (the efficiency of Base32 encoding)
-        const int SHA1_HEX_SIZE = BitTorrent::InfoHash::length() * 2;
-        const int SHA1_BASE32_SIZE = BitTorrent::InfoHash::length() * 1.6;
+        const int SHA1_HEX_SIZE = SHA1Hash::length() * 2;
+        const int SHA1_BASE32_SIZE = SHA1Hash::length() * 1.6;
 
         return ((((string.size() == SHA1_HEX_SIZE))
                 && !string.contains(QRegularExpression(QLatin1String("[^0-9A-Fa-f]"))))
@@ -65,7 +65,7 @@ MagnetUri::MagnetUri(const QString &source)
 {
     if (source.isEmpty()) return;
 
-    if (isBitTorrentInfoHash(source))
+    if (isSHA1Hash(source))
         m_url = QLatin1String("magnet:?xt=urn:btih:") + source;
 
     lt::error_code ec;
@@ -73,12 +73,18 @@ MagnetUri::MagnetUri(const QString &source)
     if (ec) return;
 
     m_valid = true;
-    m_hash = m_addTorrentParams.info_hash;
+
+#if (LIBTORRENT_VERSION_NUM >= 20000)
+    m_infoHash = m_addTorrentParams.info_hashes;
+#else
+    m_infoHash = m_addTorrentParams.info_hash;
+#endif
+
     m_name = QString::fromStdString(m_addTorrentParams.name);
 
     m_trackers.reserve(m_addTorrentParams.trackers.size());
     for (const std::string &tracker : m_addTorrentParams.trackers)
-        m_trackers.append(lt::announce_entry {tracker});
+        m_trackers.append({QString::fromStdString(tracker)});
 
     m_urlSeeds.reserve(m_addTorrentParams.url_seeds.size());
     for (const std::string &urlSeed : m_addTorrentParams.url_seeds)
@@ -90,9 +96,9 @@ bool MagnetUri::isValid() const
     return m_valid;
 }
 
-InfoHash MagnetUri::hash() const
+InfoHash MagnetUri::infoHash() const
 {
-    return m_hash;
+    return m_infoHash;
 }
 
 QString MagnetUri::name() const

src/base/bittorrent/magneturi.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_MAGNETURI_H
-#define BITTORRENT_MAGNETURI_H
+#pragma once
 
 #include <libtorrent/add_torrent_params.hpp>
 
@@ -47,7 +46,7 @@ namespace BitTorrent
         explicit MagnetUri(const QString &source = {});
 
         bool isValid() const;
-        InfoHash hash() const;
+        InfoHash infoHash() const;
         QString name() const;
         QVector<TrackerEntry> trackers() const;
         QVector<QUrl> urlSeeds() const;
@@ -58,12 +57,10 @@ namespace BitTorrent
     private:
         bool m_valid;
         QString m_url;
-        InfoHash m_hash;
+        InfoHash m_infoHash;
         QString m_name;
         QVector<TrackerEntry> m_trackers;
         QVector<QUrl> m_urlSeeds;
         lt::add_torrent_params m_addTorrentParams;
     };
 }
-
-#endif // BITTORRENT_MAGNETURI_H

src/base/bittorrent/nativetorrentextension.cpp

@@ -52,3 +52,11 @@ bool NativeTorrentExtension::on_pause()
     // and other extensions to be also invoked.
     return false;
 }
+
+void NativeTorrentExtension::on_state(const lt::torrent_status::state_t state)
+{
+    if (m_state == lt::torrent_status::downloading_metadata)
+        m_torrentHandle.set_flags(lt::torrent_flags::stop_when_ready);
+
+    m_state = state;
+}

src/base/bittorrent/nativetorrentextension.h

@@ -38,6 +38,8 @@ public:
 
 private:
     bool on_pause() override;
+    void on_state(lt::torrent_status::state_t state) override;
 
     lt::torrent_handle m_torrentHandle;
+    lt::torrent_status::state_t m_state = lt::torrent_status::checking_resume_data;
 };

src/base/bittorrent/peerinfo.cpp

@@ -30,14 +30,14 @@
 
 #include <QBitArray>
 
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/net/geoipmanager.h"
 #include "base/unicodestrings.h"
 #include "peeraddress.h"
 
 using namespace BitTorrent;
 
-PeerInfo::PeerInfo(const TorrentHandle *torrent, const lt::peer_info &nativeInfo)
+PeerInfo::PeerInfo(const Torrent *torrent, const lt::peer_info &nativeInfo)
     : m_nativeInfo(nativeInfo)
 {
     calcRelevance(torrent);
@@ -226,7 +226,7 @@ QString PeerInfo::connectionType() const
         : QLatin1String {"Web"};
 }
 
-void PeerInfo::calcRelevance(const TorrentHandle *torrent)
+void PeerInfo::calcRelevance(const Torrent *torrent)
 {
     const QBitArray allPieces = torrent->pieces();
     const QBitArray peerPieces = pieces();

src/base/bittorrent/peerinfo.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_PEERINFO_H
-#define BITTORRENT_PEERINFO_H
+#pragma once
 
 #include <libtorrent/peer_info.hpp>
 
@@ -37,7 +36,7 @@ class QBitArray;
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
     struct PeerAddress;
 
     class PeerInfo
@@ -46,7 +45,7 @@ namespace BitTorrent
 
     public:
         PeerInfo() = default;
-        PeerInfo(const TorrentHandle *torrent, const lt::peer_info &nativeInfo);
+        PeerInfo(const Torrent *torrent, const lt::peer_info &nativeInfo);
 
         bool fromDHT() const;
         bool fromPeX() const;
@@ -93,7 +92,7 @@ namespace BitTorrent
         int downloadingPieceIndex() const;
 
     private:
-        void calcRelevance(const TorrentHandle *torrent);
+        void calcRelevance(const Torrent *torrent);
         void determineFlags();
 
         lt::peer_info m_nativeInfo = {};
@@ -104,5 +103,3 @@ namespace BitTorrent
         mutable QString m_country;
     };
 }
-
-#endif // BITTORRENT_PEERINFO_H

src/base/bittorrent/portforwarderimpl.cpp

@@ -39,7 +39,7 @@ const QString KEY_ENABLED = QStringLiteral("Network/PortForwardingEnabled");
 
 PortForwarderImpl::PortForwarderImpl(lt::session *provider, QObject *parent)
     : Net::PortForwarder {parent}
-    , m_active {SettingsStorage::instance()->loadValue(KEY_ENABLED, true).toBool()}
+    , m_active {SettingsStorage::instance()->loadValue(KEY_ENABLED, true)}
     , m_provider {provider}
 {
     if (m_active)

src/base/bittorrent/session.h

@@ -27,10 +27,10 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_SESSION_H
-#define BITTORRENT_SESSION_H
+#pragma once
 
 #include <memory>
+#include <variant>
 #include <vector>
 
 #include <libtorrent/add_torrent_params.hpp>
@@ -41,6 +41,7 @@
 #include <QHash>
 #include <QPointer>
 #include <QSet>
+#include <QtContainerFwd>
 #include <QVector>
 
 #include "base/settingvalue.h"
@@ -50,20 +51,16 @@
 #include "sessionstatus.h"
 #include "torrentinfo.h"
 
-#if ((LIBTORRENT_VERSION_NUM >= 10206) && !defined(Q_OS_WIN))
-#define HAS_HTTPS_TRACKER_VALIDATION
-#endif
-
 class QFile;
 class QNetworkConfiguration;
 class QNetworkConfigurationManager;
 class QString;
-class QStringList;
 class QThread;
 class QTimer;
 class QUrl;
 
 class BandwidthScheduler;
+class FileSearcher;
 class FilterParserThread;
 class ResumeDataSavingManager;
 class Statistics;
@@ -80,8 +77,8 @@ enum MaxRatioAction
 
 enum DeleteOption
 {
-    Torrent,
-    TorrentAndFiles
+    DeleteTorrent,
+    DeleteTorrentAndFiles
 };
 
 enum TorrentExportFolder
@@ -99,18 +96,18 @@ namespace BitTorrent
 {
     class InfoHash;
     class MagnetUri;
-    class TorrentHandle;
-    class TorrentHandleImpl;
+    class Torrent;
+    class TorrentImpl;
     class Tracker;
-    class TrackerEntry;
     struct LoadTorrentParams;
+    struct TrackerEntry;
 
     enum class MoveStorageMode;
 
     // Using `Q_ENUM_NS()` without a wrapper namespace in our case is not advised
     // since `Q_NAMESPACE` cannot be used when the same namespace resides at different files.
     // https://www.kdab.com/new-qt-5-8-meta-object-support-namespaces/#comment-143779
-    namespace SessionSettingsEnums
+    inline namespace SessionSettingsEnums
     {
         Q_NAMESPACE
 
@@ -156,49 +153,50 @@ namespace BitTorrent
         Q_ENUM_NS(OSMemoryPriority)
 #endif
     }
-    using namespace SessionSettingsEnums;
 
     struct SessionMetricIndices
     {
         struct
         {
-            int hasIncomingConnections = 0;
-            int sentPayloadBytes = 0;
-            int recvPayloadBytes = 0;
-            int sentBytes = 0;
-            int recvBytes = 0;
-            int sentIPOverheadBytes = 0;
-            int recvIPOverheadBytes = 0;
-            int sentTrackerBytes = 0;
-            int recvTrackerBytes = 0;
-            int recvRedundantBytes = 0;
-            int recvFailedBytes = 0;
+            int hasIncomingConnections = -1;
+            int sentPayloadBytes = -1;
+            int recvPayloadBytes = -1;
+            int sentBytes = -1;
+            int recvBytes = -1;
+            int sentIPOverheadBytes = -1;
+            int recvIPOverheadBytes = -1;
+            int sentTrackerBytes = -1;
+            int recvTrackerBytes = -1;
+            int recvRedundantBytes = -1;
+            int recvFailedBytes = -1;
         } net;
 
         struct
         {
-            int numPeersConnected = 0;
-            int numPeersUpDisk = 0;
-            int numPeersDownDisk = 0;
+            int numPeersConnected = -1;
+            int numPeersUpDisk = -1;
+            int numPeersDownDisk = -1;
         } peer;
 
         struct
         {
-            int dhtBytesIn = 0;
-            int dhtBytesOut = 0;
-            int dhtNodes = 0;
+            int dhtBytesIn = -1;
+            int dhtBytesOut = -1;
+            int dhtNodes = -1;
         } dht;
 
         struct
         {
-            int diskBlocksInUse = 0;
-            int numBlocksRead = 0;
-            int numBlocksCacheHits = 0;
-            int writeJobs = 0;
-            int readJobs = 0;
-            int hashJobs = 0;
-            int queuedDiskJobs = 0;
-            int diskJobTime = 0;
+            int diskBlocksInUse = -1;
+            int numBlocksRead = -1;
+#if (LIBTORRENT_VERSION_NUM < 20000)
+            int numBlocksCacheHits = -1;
+#endif
+            int writeJobs = -1;
+            int readJobs = -1;
+            int hashJobs = -1;
+            int queuedDiskJobs = -1;
+            int diskJobTime = -1;
         } disk;
     };
 
@@ -270,8 +268,8 @@ namespace BitTorrent
         void setPeXEnabled(bool enabled);
         bool isAddTorrentPaused() const;
         void setAddTorrentPaused(bool value);
-        bool isKeepTorrentTopLevelFolder() const;
-        void setKeepTorrentTopLevelFolder(bool value);
+        TorrentContentLayout torrentContentLayout() const;
+        void setTorrentContentLayout(TorrentContentLayout value);
         bool isTrackerEnabled() const;
         void setTrackerEnabled(bool enabled);
         bool isAppendExtensionEnabled() const;
@@ -386,6 +384,8 @@ namespace BitTorrent
         void setOutgoingPortsMax(int max);
         int UPnPLeaseDuration() const;
         void setUPnPLeaseDuration(int duration);
+        int peerToS() const;
+        void setPeerToS(int value);
         bool ignoreLimitsOnLAN() const;
         void setIgnoreLimitsOnLAN(bool ignore);
         bool includeOverheadInLimits() const;
@@ -416,6 +416,8 @@ namespace BitTorrent
         void setUTPRateLimited(bool limited);
         MixedModeAlgorithm utpMixedMode() const;
         void setUtpMixedMode(MixedModeAlgorithm mode);
+        bool isIDNSupportEnabled() const;
+        void setIDNSupportEnabled(bool enabled);
         bool multiConnectionsPerIpEnabled() const;
         void setMultiConnectionsPerIpEnabled(bool enabled);
         bool validateHTTPSTrackerCertificate() const;
@@ -432,8 +434,8 @@ namespace BitTorrent
 #endif
 
         void startUpTorrents();
-        TorrentHandle *findTorrent(const InfoHash &hash) const;
-        QVector<TorrentHandle *> torrents() const;
+        Torrent *findTorrent(const TorrentID &id) const;
+        QVector<Torrent *> torrents() const;
         bool hasActiveTorrents() const;
         bool hasUnfinishedTorrents() const;
         bool hasRunningSeed() const;
@@ -448,45 +450,48 @@ namespace BitTorrent
 
         void banIP(const QString &ip);
 
-        bool isKnownTorrent(const InfoHash &hash) const;
+        bool isKnownTorrent(const TorrentID &id) const;
         bool addTorrent(const QString &source, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams());
-        bool deleteTorrent(const InfoHash &hash, DeleteOption deleteOption = Torrent);
-        bool loadMetadata(const MagnetUri &magnetUri);
-        bool cancelLoadMetadata(const InfoHash &hash);
+        bool deleteTorrent(const TorrentID &id, DeleteOption deleteOption = DeleteTorrent);
+        bool downloadMetadata(const MagnetUri &magnetUri);
+        bool cancelDownloadMetadata(const TorrentID &id);
 
-        void recursiveTorrentDownload(const InfoHash &hash);
-        void increaseTorrentsQueuePos(const QVector<InfoHash> &hashes);
-        void decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes);
-        void topTorrentsQueuePos(const QVector<InfoHash> &hashes);
-        void bottomTorrentsQueuePos(const QVector<InfoHash> &hashes);
+        void recursiveTorrentDownload(const TorrentID &id);
+        void increaseTorrentsQueuePos(const QVector<TorrentID> &ids);
+        void decreaseTorrentsQueuePos(const QVector<TorrentID> &ids);
+        void topTorrentsQueuePos(const QVector<TorrentID> &ids);
+        void bottomTorrentsQueuePos(const QVector<TorrentID> &ids);
 
-        // TorrentHandle interface
-        void handleTorrentSaveResumeDataRequested(const TorrentHandleImpl *torrent);
-        void handleTorrentShareLimitChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentNameChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentSavePathChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentCategoryChanged(TorrentHandleImpl *const torrent, const QString &oldCategory);
-        void handleTorrentTagAdded(TorrentHandleImpl *const torrent, const QString &tag);
-        void handleTorrentTagRemoved(TorrentHandleImpl *const torrent, const QString &tag);
-        void handleTorrentSavingModeChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentMetadataReceived(TorrentHandleImpl *const torrent);
-        void handleTorrentPaused(TorrentHandleImpl *const torrent);
-        void handleTorrentResumed(TorrentHandleImpl *const torrent);
-        void handleTorrentChecked(TorrentHandleImpl *const torrent);
-        void handleTorrentFinished(TorrentHandleImpl *const torrent);
-        void handleTorrentTrackersAdded(TorrentHandleImpl *const torrent, const QVector<TrackerEntry> &newTrackers);
-        void handleTorrentTrackersRemoved(TorrentHandleImpl *const torrent, const QVector<TrackerEntry> &deletedTrackers);
-        void handleTorrentTrackersChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentUrlSeedsAdded(TorrentHandleImpl *const torrent, const QVector<QUrl> &newUrlSeeds);
-        void handleTorrentUrlSeedsRemoved(TorrentHandleImpl *const torrent, const QVector<QUrl> &urlSeeds);
-        void handleTorrentResumeDataReady(TorrentHandleImpl *const torrent, const std::shared_ptr<lt::entry> &data);
-        void handleTorrentTrackerReply(TorrentHandleImpl *const torrent, const QString &trackerUrl);
-        void handleTorrentTrackerWarning(TorrentHandleImpl *const torrent, const QString &trackerUrl);
-        void handleTorrentTrackerError(TorrentHandleImpl *const torrent, const QString &trackerUrl);
+        // Torrent interface
+        void handleTorrentNeedSaveResumeData(const TorrentImpl *torrent);
+        void handleTorrentSaveResumeDataRequested(const TorrentImpl *torrent);
+        void handleTorrentShareLimitChanged(TorrentImpl *const torrent);
+        void handleTorrentNameChanged(TorrentImpl *const torrent);
+        void handleTorrentSavePathChanged(TorrentImpl *const torrent);
+        void handleTorrentCategoryChanged(TorrentImpl *const torrent, const QString &oldCategory);
+        void handleTorrentTagAdded(TorrentImpl *const torrent, const QString &tag);
+        void handleTorrentTagRemoved(TorrentImpl *const torrent, const QString &tag);
+        void handleTorrentSavingModeChanged(TorrentImpl *const torrent);
+        void handleTorrentMetadataReceived(TorrentImpl *const torrent);
+        void handleTorrentPaused(TorrentImpl *const torrent);
+        void handleTorrentResumed(TorrentImpl *const torrent);
+        void handleTorrentChecked(TorrentImpl *const torrent);
+        void handleTorrentFinished(TorrentImpl *const torrent);
+        void handleTorrentTrackersAdded(TorrentImpl *const torrent, const QVector<TrackerEntry> &newTrackers);
+        void handleTorrentTrackersRemoved(TorrentImpl *const torrent, const QVector<TrackerEntry> &deletedTrackers);
+        void handleTorrentTrackersChanged(TorrentImpl *const torrent);
+        void handleTorrentUrlSeedsAdded(TorrentImpl *const torrent, const QVector<QUrl> &newUrlSeeds);
+        void handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QVector<QUrl> &urlSeeds);
+        void handleTorrentResumeDataReady(TorrentImpl *const torrent, const LoadTorrentParams &data);
+        void handleTorrentTrackerReply(TorrentImpl *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerWarning(TorrentImpl *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerError(TorrentImpl *const torrent, const QString &trackerUrl);
 
-        bool addMoveTorrentStorageJob(TorrentHandleImpl *torrent, const QString &newPath, MoveStorageMode mode);
+        bool addMoveTorrentStorageJob(TorrentImpl *torrent, const QString &newPath, MoveStorageMode mode);
+
+        void findIncompleteFiles(const TorrentInfo &torrentInfo, const QString &savePath) const;
 
     signals:
         void allTorrentsFinished();
@@ -494,39 +499,37 @@ namespace BitTorrent
         void categoryRemoved(const QString &categoryName);
         void downloadFromUrlFailed(const QString &url, const QString &reason);
         void downloadFromUrlFinished(const QString &url);
-        void fullDiskError(TorrentHandle *torrent, const QString &msg);
+        void fullDiskError(Torrent *torrent, const QString &msg);
         void IPFilterParsed(bool error, int ruleCount);
         void loadTorrentFailed(const QString &error);
-        void metadataLoaded(const TorrentInfo &info);
-        void recursiveTorrentDownloadPossible(TorrentHandle *torrent);
+        void metadataDownloaded(const TorrentInfo &info);
+        void recursiveTorrentDownloadPossible(Torrent *torrent);
         void speedLimitModeChanged(bool alternative);
         void statsUpdated();
         void subcategoriesSupportChanged();
         void tagAdded(const QString &tag);
         void tagRemoved(const QString &tag);
-        void torrentAboutToBeRemoved(TorrentHandle *torrent);
-        void torrentAdded(TorrentHandle *torrent);
-        void torrentCategoryChanged(TorrentHandle *torrent, const QString &oldCategory);
-        void torrentFinished(TorrentHandle *torrent);
-        void torrentFinishedChecking(TorrentHandle *torrent);
-        void torrentLoaded(TorrentHandle *torrent);
-        void torrentMetadataLoaded(TorrentHandle *torrent);
-        void torrentPaused(TorrentHandle *torrent);
-        void torrentResumed(TorrentHandle *torrent);
-        void torrentSavePathChanged(TorrentHandle *torrent);
-        void torrentSavingModeChanged(TorrentHandle *torrent);
-        void torrentStorageMoveFailed(TorrentHandle *torrent, const QString &targetPath, const QString &error);
-        void torrentStorageMoveFinished(TorrentHandle *torrent, const QString &newPath);
-        void torrentsUpdated(const QVector<TorrentHandle *> &torrents);
-        void torrentTagAdded(TorrentHandle *torrent, const QString &tag);
-        void torrentTagRemoved(TorrentHandle *torrent, const QString &tag);
-        void trackerError(TorrentHandle *torrent, const QString &tracker);
-        void trackerlessStateChanged(TorrentHandle *torrent, bool trackerless);
-        void trackersAdded(TorrentHandle *torrent, const QVector<TrackerEntry> &trackers);
-        void trackersChanged(TorrentHandle *torrent);
-        void trackersRemoved(TorrentHandle *torrent, const QVector<TrackerEntry> &trackers);
-        void trackerSuccess(TorrentHandle *torrent, const QString &tracker);
-        void trackerWarning(TorrentHandle *torrent, const QString &tracker);
+        void torrentAboutToBeRemoved(Torrent *torrent);
+        void torrentAdded(Torrent *torrent);
+        void torrentCategoryChanged(Torrent *torrent, const QString &oldCategory);
+        void torrentFinished(Torrent *torrent);
+        void torrentFinishedChecking(Torrent *torrent);
+        void torrentLoaded(Torrent *torrent);
+        void torrentMetadataReceived(Torrent *torrent);
+        void torrentPaused(Torrent *torrent);
+        void torrentResumed(Torrent *torrent);
+        void torrentSavePathChanged(Torrent *torrent);
+        void torrentSavingModeChanged(Torrent *torrent);
+        void torrentsUpdated(const QVector<Torrent *> &torrents);
+        void torrentTagAdded(Torrent *torrent, const QString &tag);
+        void torrentTagRemoved(Torrent *torrent, const QString &tag);
+        void trackerError(Torrent *torrent, const QString &tracker);
+        void trackerlessStateChanged(Torrent *torrent, bool trackerless);
+        void trackersAdded(Torrent *torrent, const QVector<TrackerEntry> &trackers);
+        void trackersChanged(Torrent *torrent);
+        void trackersRemoved(Torrent *torrent, const QVector<TrackerEntry> &trackers);
+        void trackerSuccess(Torrent *torrent, const QString &tracker);
+        void trackerWarning(Torrent *torrent, const QString &tracker);
 
     private slots:
         void configureDeferred();
@@ -537,6 +540,7 @@ namespace BitTorrent
         void handleIPFilterParsed(int ruleCount);
         void handleIPFilterError();
         void handleDownloadFinished(const Net::DownloadResult &result);
+        void fileSearchFinished(const TorrentID &id, const QString &savePath, const QStringList &fileNames);
 
         // Session reconfiguration triggers
         void networkOnlineStateChanged(bool online);
@@ -592,11 +596,10 @@ namespace BitTorrent
         bool loadTorrentResumeData(const QByteArray &data, const TorrentInfo &metadata, LoadTorrentParams &torrentParams);
         bool loadTorrent(LoadTorrentParams params);
         LoadTorrentParams initLoadTorrentParams(const AddTorrentParams &addTorrentParams);
-        bool addTorrent_impl(const AddTorrentParams &addTorrentParams, const MagnetUri &magnetUri, TorrentInfo torrentInfo = TorrentInfo());
-        bool findIncompleteFiles(TorrentInfo &torrentInfo, QString &savePath) const;
+        bool addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source, const AddTorrentParams &addTorrentParams);
 
         void updateSeedingLimitTimer();
-        void exportTorrentFile(const TorrentHandle *torrent, TorrentExportFolder folder = TorrentExportFolder::Regular);
+        void exportTorrentFile(const Torrent *torrent, TorrentExportFolder folder = TorrentExportFolder::Regular);
 
         void handleAlert(const lt::alert *a);
         void dispatchTorrentAlert(const lt::alert *a);
@@ -604,9 +607,6 @@ namespace BitTorrent
         void handleStateUpdateAlert(const lt::state_update_alert *p);
         void handleMetadataReceivedAlert(const lt::metadata_received_alert *p);
         void handleFileErrorAlert(const lt::file_error_alert *p);
-#if (LIBTORRENT_VERSION_NUM < 10208)
-        void handleReadPieceAlert(const lt::read_piece_alert *p) const;
-#endif
         void handleTorrentRemovedAlert(const lt::torrent_removed_alert *p);
         void handleTorrentDeletedAlert(const lt::torrent_deleted_alert *p);
         void handleTorrentDeleteFailedAlert(const lt::torrent_delete_failed_alert *p);
@@ -622,15 +622,13 @@ namespace BitTorrent
         void handleAlertsDroppedAlert(const lt::alerts_dropped_alert *p) const;
         void handleStorageMovedAlert(const lt::storage_moved_alert *p);
         void handleStorageMovedFailedAlert(const lt::storage_moved_failed_alert *p);
-#if (LIBTORRENT_VERSION_NUM >= 10204)
         void handleSocks5Alert(const lt::socks5_alert *p) const;
-#endif
 
-        void createTorrentHandle(const lt::torrent_handle &nativeHandle);
+        void createTorrent(const lt::torrent_handle &nativeHandle);
 
         void saveResumeData();
-        void saveTorrentsQueue();
-        void removeTorrentsQueue();
+        void saveTorrentsQueue() const;
+        void removeTorrentsQueue() const;
 
         std::vector<lt::alert *> getPendingAlerts(lt::time_duration time = lt::time_duration::zero()) const;
 
@@ -678,6 +676,7 @@ namespace BitTorrent
         CachedSettingValue<int> m_outgoingPortsMin;
         CachedSettingValue<int> m_outgoingPortsMax;
         CachedSettingValue<int> m_UPnPLeaseDuration;
+        CachedSettingValue<int> m_peerToS;
         CachedSettingValue<bool> m_ignoreLimitsOnLAN;
         CachedSettingValue<bool> m_includeOverheadInLimits;
         CachedSettingValue<QString> m_announceIP;
@@ -690,6 +689,7 @@ namespace BitTorrent
         CachedSettingValue<BTProtocol> m_btProtocol;
         CachedSettingValue<bool> m_isUTPRateLimited;
         CachedSettingValue<MixedModeAlgorithm> m_utpMixedMode;
+        CachedSettingValue<bool> m_IDNSupportEnabled;
         CachedSettingValue<bool> m_multiConnectionsPerIpEnabled;
         CachedSettingValue<bool> m_validateHTTPSTrackerCertificate;
         CachedSettingValue<bool> m_blockPeersOnPrivilegedPorts;
@@ -698,7 +698,7 @@ namespace BitTorrent
         CachedSettingValue<qreal> m_globalMaxRatio;
         CachedSettingValue<int> m_globalMaxSeedingMinutes;
         CachedSettingValue<bool> m_isAddTorrentPaused;
-        CachedSettingValue<bool> m_isKeepTorrentTopLevelFolder;
+        CachedSettingValue<TorrentContentLayout> m_torrentContentLayout;
         CachedSettingValue<bool> m_isAppendExtensionEnabled;
         CachedSettingValue<int> m_refreshInterval;
         CachedSettingValue<bool> m_isPreallocationEnabled;
@@ -763,18 +763,20 @@ namespace BitTorrent
         // fastresume data writing thread
         QThread *m_ioThread = nullptr;
         ResumeDataSavingManager *m_resumeDataSavingManager = nullptr;
+        FileSearcher *m_fileSearcher = nullptr;
 
-        QSet<InfoHash> m_loadedMetadata;
+        QSet<TorrentID> m_downloadedMetadata;
 
-        QHash<InfoHash, TorrentHandleImpl *> m_torrents;
-        QHash<InfoHash, LoadTorrentParams> m_loadingTorrents;
+        QHash<TorrentID, TorrentImpl *> m_torrents;
+        QHash<TorrentID, LoadTorrentParams> m_loadingTorrents;
         QHash<QString, AddTorrentParams> m_downloadedTorrents;
-        QHash<InfoHash, RemovingTorrentData> m_removingTorrents;
+        QHash<TorrentID, RemovingTorrentData> m_removingTorrents;
+        QSet<TorrentID> m_needSaveResumeDataTorrents;
         QStringMap m_categories;
         QSet<QString> m_tags;
 
         // I/O errored torrents
-        QSet<InfoHash> m_recentErroredTorrents;
+        QSet<TorrentID> m_recentErroredTorrents;
         QTimer *m_recentErroredTorrentsTimer = nullptr;
 
         SessionMetricIndices m_metricIndices;
@@ -790,10 +792,3 @@ namespace BitTorrent
         static Session *m_instance;
     };
 }
-
-#if (QT_VERSION < QT_VERSION_CHECK(5, 10, 0))
-Q_DECLARE_METATYPE(std::shared_ptr<lt::entry>)
-const int sharedPtrLtEntryTypeID = qRegisterMetaType<std::shared_ptr<lt::entry>>();
-#endif
-
-#endif // BITTORRENT_SESSION_H

src/base/bittorrent/sessionstatus.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_SESSIONSTATUS_H
-#define BITTORRENT_SESSIONSTATUS_H
+#pragma once
 
 #include <QtGlobal>
 
@@ -74,5 +73,3 @@ namespace BitTorrent
         quint64 peersCount = 0;
     };
 }
-
-#endif // BITTORRENT_SESSIONSTATUS_H

src/base/bittorrent/speedmonitor.h

@@ -27,8 +27,7 @@
  * exception statement from your version.
  */
 
-#ifndef SPEEDMONITOR_H
-#define SPEEDMONITOR_H
+#pragma once
 
 #ifndef Q_MOC_RUN
 #include <boost/circular_buffer.hpp>
@@ -86,5 +85,3 @@ private:
     boost::circular_buffer<SpeedSample> m_speedSamples;
     SpeedSample m_sum;
 };
-
-#endif // SPEEDMONITOR_H

src/base/bittorrent/statistics.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef STATISTICS_H
-#define STATISTICS_H
+#pragma once
 
 #include <QObject>
 #include <QTimer>
@@ -67,5 +66,3 @@ private:
 
     QTimer m_timer;
 };
-
-#endif // STATISTICS_H

src/base/bittorrent/torrent.cpp

@@ -27,9 +27,11 @@
  * exception statement from your version.
  */
 
-#include "torrenthandle.h"
+#include "torrent.h"
 
-#include <type_traits>
+#include <QHash>
+
+#include "infohash.h"
 
 namespace BitTorrent
 {
@@ -38,33 +40,38 @@ namespace BitTorrent
         return ::qHash(static_cast<std::underlying_type_t<TorrentState>>(key), seed);
     }
 
-    // TorrentHandle
+    // Torrent
 
-    const qreal TorrentHandle::USE_GLOBAL_RATIO = -2.;
-    const qreal TorrentHandle::NO_RATIO_LIMIT = -1.;
+    const qreal Torrent::USE_GLOBAL_RATIO = -2;
+    const qreal Torrent::NO_RATIO_LIMIT = -1;
 
-    const int TorrentHandle::USE_GLOBAL_SEEDING_TIME = -2;
-    const int TorrentHandle::NO_SEEDING_TIME_LIMIT = -1;
+    const int Torrent::USE_GLOBAL_SEEDING_TIME = -2;
+    const int Torrent::NO_SEEDING_TIME_LIMIT = -1;
 
-    const qreal TorrentHandle::MAX_RATIO = 9999.;
-    const int TorrentHandle::MAX_SEEDING_TIME = 525600;
+    const qreal Torrent::MAX_RATIO = 9999;
+    const int Torrent::MAX_SEEDING_TIME = 525600;
 
-    bool TorrentHandle::isResumed() const
+    TorrentID Torrent::id() const
+    {
+        return infoHash().toTorrentID();
+    }
+
+    bool Torrent::isResumed() const
     {
         return !isPaused();
     }
 
-    qlonglong TorrentHandle::remainingSize() const
+    qlonglong Torrent::remainingSize() const
     {
         return wantedSize() - completedSize();
     }
 
-    void TorrentHandle::toggleSequentialDownload()
+    void Torrent::toggleSequentialDownload()
     {
         setSequentialDownload(!isSequentialDownload());
     }
 
-    void TorrentHandle::toggleFirstLastPiecePriority()
+    void Torrent::toggleFirstLastPiecePriority()
     {
         setFirstLastPiecePriority(!hasFirstLastPiecePriority());
     }

src/base/bittorrent/torrent.h

@@ -29,15 +29,14 @@
 
 #pragma once
 
-#include <QHash>
 #include <QMetaType>
-#include <QSet>
 #include <QString>
-#include <QVector>
+#include <QtContainerFwd>
+
+#include "abstractfilestorage.h"
 
 class QBitArray;
 class QDateTime;
-class QStringList;
 class QUrl;
 
 namespace BitTorrent
@@ -45,9 +44,10 @@ namespace BitTorrent
     enum class DownloadPriority;
     class InfoHash;
     class PeerInfo;
+    class TorrentID;
     class TorrentInfo;
-    class TrackerEntry;
     struct PeerAddress;
+    struct TrackerEntry;
 
     enum class TorrentOperatingMode
     {
@@ -92,7 +92,7 @@ namespace BitTorrent
 
     uint qHash(TorrentState key, uint seed);
 
-    class TorrentHandle
+    class Torrent : public AbstractFileStorage
     {
     public:
         static const qreal USE_GLOBAL_RATIO;
@@ -104,9 +104,9 @@ namespace BitTorrent
         static const qreal MAX_RATIO;
         static const int MAX_SEEDING_TIME;
 
-        virtual ~TorrentHandle() = default;
+        virtual ~Torrent() = default;
 
-        virtual InfoHash hash() const = 0;
+        virtual InfoHash infoHash() const = 0;
         virtual QString name() const = 0;
         virtual QDateTime creationDate() const = 0;
         virtual QString creator() const = 0;
@@ -180,9 +180,6 @@ namespace BitTorrent
         virtual bool removeTag(const QString &tag) = 0;
         virtual void removeAllTags() = 0;
 
-        virtual bool hasRootFolder() const = 0;
-
-        virtual int filesCount() const = 0;
         virtual int piecesCount() const = 0;
         virtual int piecesHave() const = 0;
         virtual qreal progress() const = 0;
@@ -190,9 +187,6 @@ namespace BitTorrent
         virtual qreal ratioLimit() const = 0;
         virtual int seedingTimeLimit() const = 0;
 
-        virtual QString filePath(int index) const = 0;
-        virtual QString fileName(int index) const = 0;
-        virtual qlonglong fileSize(int index) const = 0;
         virtual QStringList absoluteFilePaths() const = 0;
         virtual QVector<DownloadPriority> filePriorities() const = 0;
 
@@ -243,6 +237,9 @@ namespace BitTorrent
         virtual int downloadLimit() const = 0;
         virtual int uploadLimit() const = 0;
         virtual bool superSeeding() const = 0;
+        virtual bool isDHTDisabled() const = 0;
+        virtual bool isPEXDisabled() const = 0;
+        virtual bool isLSDDisabled() const = 0;
         virtual QVector<PeerInfo> peers() const = 0;
         virtual QBitArray pieces() const = 0;
         virtual QBitArray downloadingPieces() const = 0;
@@ -275,13 +272,15 @@ namespace BitTorrent
         virtual void forceReannounce(int index = -1) = 0;
         virtual void forceDHTAnnounce() = 0;
         virtual void forceRecheck() = 0;
-        virtual void renameFile(int index, const QString &name) = 0;
         virtual void prioritizeFiles(const QVector<DownloadPriority> &priorities) = 0;
         virtual void setRatioLimit(qreal limit) = 0;
         virtual void setSeedingTimeLimit(int limit) = 0;
         virtual void setUploadLimit(int limit) = 0;
         virtual void setDownloadLimit(int limit) = 0;
         virtual void setSuperSeeding(bool enable) = 0;
+        virtual void setDHTDisabled(bool disable) = 0;
+        virtual void setPEXDisabled(bool disable) = 0;
+        virtual void setLSDDisabled(bool disable) = 0;
         virtual void flushCache() const = 0;
         virtual void addTrackers(const QVector<TrackerEntry> &trackers) = 0;
         virtual void replaceTrackers(const QVector<TrackerEntry> &trackers) = 0;
@@ -292,6 +291,7 @@ namespace BitTorrent
 
         virtual QString createMagnetURI() const = 0;
 
+        TorrentID id() const;
         bool isResumed() const;
         qlonglong remainingSize() const;
 

src/base/bittorrent/torrentcontentlayout.h

@@ -0,0 +1,51 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QMetaEnum>
+
+namespace BitTorrent
+{
+    // Using `Q_ENUM_NS()` without a wrapper namespace in our case is not advised
+    // since `Q_NAMESPACE` cannot be used when the same namespace resides at different files.
+    // https://www.kdab.com/new-qt-5-8-meta-object-support-namespaces/#comment-143779
+    inline namespace TorrentContentLayoutNS
+    {
+        Q_NAMESPACE
+
+        enum class TorrentContentLayout
+        {
+            Original,
+            Subfolder,
+            NoSubfolder
+        };
+
+        Q_ENUM_NS(TorrentContentLayout)
+    }
+}

src/base/bittorrent/torrentcreatorthread.cpp

@@ -45,6 +45,7 @@
 #include "base/utils/fs.h"
 #include "base/utils/io.h"
 #include "base/utils/string.h"
+#include "base/version.h"
 #include "ltunderlyingtype.h"
 
 namespace
@@ -99,8 +100,6 @@ void TorrentCreatorThread::sendProgressSignal(int currentPieceIdx, int totalPiec
 
 void TorrentCreatorThread::run()
 {
-    const QString creatorStr("qBittorrent " QBT_VERSION);
-
     emit updateProgress(0);
 
     try
@@ -177,17 +176,19 @@ void TorrentCreatorThread::run()
                 newTorrent.add_tracker(tracker.trimmed().toStdString(), tier);
         }
 
-        if (isInterruptionRequested()) return;
-
         // calculate the hash for all pieces
         lt::set_piece_hashes(newTorrent, Utils::Fs::toNativePath(parentPath).toStdString()
             , [this, &newTorrent](const lt::piece_index_t n)
         {
+            if (isInterruptionRequested())
+                throw RuntimeError {tr("Create new torrent aborted.")};
+
             sendProgressSignal(static_cast<LTUnderlyingType<lt::piece_index_t>>(n), newTorrent.num_pieces());
         });
+
         // Set qBittorrent as creator and add user comment to
         // torrent_info structure
-        newTorrent.set_creator(creatorStr.toUtf8().constData());
+        newTorrent.set_creator("qBittorrent " QBT_VERSION);
         newTorrent.set_comment(m_params.comment.toUtf8().constData());
         // Is private ?
         newTorrent.set_priv(m_params.isPrivate);
@@ -206,8 +207,7 @@ void TorrentCreatorThread::run()
         QFile outfile {m_params.savePath};
         if (!outfile.open(QIODevice::WriteOnly))
         {
-            throw RuntimeError
-            {tr("Create new torrent file failed. Reason: %1")
+            throw RuntimeError {tr("Create new torrent file failed. Reason: %1")
                 .arg(outfile.errorString())};
         }
 
@@ -216,8 +216,7 @@ void TorrentCreatorThread::run()
         lt::bencode(Utils::IO::FileDeviceOutputIterator {outfile}, entry);
         if (outfile.error() != QFileDevice::NoError)
         {
-            throw RuntimeError
-            {tr("Create new torrent file failed. Reason: %1")
+            throw RuntimeError {tr("Create new torrent file failed. Reason: %1")
                 .arg(outfile.errorString())};
         }
         outfile.close();

src/base/bittorrent/torrentcreatorthread.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_TORRENTCREATORTHREAD_H
-#define BITTORRENT_TORRENTCREATORTHREAD_H
+#pragma once
 
 #include <libtorrent/version.hpp>
 
@@ -94,5 +93,3 @@ namespace BitTorrent
         TorrentCreatorParams m_params;
     };
 }
-
-#endif // BITTORRENT_TORRENTCREATORTHREAD_H

src/base/bittorrent/torrentimpl.h

@@ -46,7 +46,7 @@
 
 #include "infohash.h"
 #include "speedmonitor.h"
-#include "torrenthandle.h"
+#include "torrent.h"
 #include "torrentinfo.h"
 
 namespace BitTorrent
@@ -62,14 +62,14 @@ namespace BitTorrent
         QString category;
         QSet<QString> tags;
         QString savePath;
+        TorrentContentLayout contentLayout = TorrentContentLayout::Original;
         bool firstLastPiecePriority = false;
         bool hasSeedStatus = false;
-        bool hasRootFolder = true;
         bool forced = false;
         bool paused = false;
 
-        qreal ratioLimit = TorrentHandle::USE_GLOBAL_RATIO;
-        int seedingTimeLimit = TorrentHandle::USE_GLOBAL_SEEDING_TIME;
+        qreal ratioLimit = Torrent::USE_GLOBAL_RATIO;
+        int seedingTimeLimit = Torrent::USE_GLOBAL_SEEDING_TIME;
 
         bool restored = false;  // is existing torrent job?
     };
@@ -80,19 +80,25 @@ namespace BitTorrent
         Overwrite
     };
 
-    class TorrentHandleImpl final : public QObject, public TorrentHandle
+    enum class MaintenanceJob
     {
-        Q_DISABLE_COPY(TorrentHandleImpl)
-        Q_DECLARE_TR_FUNCTIONS(BitTorrent::TorrentHandleImpl)
+        None,
+        HandleMetadata
+    };
+
+    class TorrentImpl final : public QObject, public Torrent
+    {
+        Q_DISABLE_COPY(TorrentImpl)
+        Q_DECLARE_TR_FUNCTIONS(BitTorrent::TorrentImpl)
 
     public:
-        TorrentHandleImpl(Session *session, const lt::torrent_handle &nativeHandle,
-                          const LoadTorrentParams &params);
-        ~TorrentHandleImpl() override;
+        TorrentImpl(Session *session, lt::session *nativeSession
+                          , const lt::torrent_handle &nativeHandle, const LoadTorrentParams &params);
+        ~TorrentImpl() override;
 
         bool isValid() const;
 
-        InfoHash hash() const override;
+        InfoHash infoHash() const override;
         QString name() const override;
         QDateTime creationDate() const override;
         QString creator() const override;
@@ -123,8 +129,6 @@ namespace BitTorrent
         bool removeTag(const QString &tag) override;
         void removeAllTags() override;
 
-        bool hasRootFolder() const override;
-
         int filesCount() const override;
         int piecesCount() const override;
         int piecesHave() const override;
@@ -186,6 +190,9 @@ namespace BitTorrent
         int downloadLimit() const override;
         int uploadLimit() const override;
         bool superSeeding() const override;
+        bool isDHTDisabled() const override;
+        bool isPEXDisabled() const override;
+        bool isLSDDisabled() const override;
         QVector<PeerInfo> peers() const override;
         QBitArray pieces() const override;
         QBitArray downloadingPieces() const override;
@@ -212,13 +219,16 @@ namespace BitTorrent
         void forceReannounce(int index = -1) override;
         void forceDHTAnnounce() override;
         void forceRecheck() override;
-        void renameFile(int index, const QString &name) override;
+        void renameFile(int index, const QString &path) override;
         void prioritizeFiles(const QVector<DownloadPriority> &priorities) override;
         void setRatioLimit(qreal limit) override;
         void setSeedingTimeLimit(int limit) override;
         void setUploadLimit(int limit) override;
         void setDownloadLimit(int limit) override;
         void setSuperSeeding(bool enable) override;
+        void setDHTDisabled(bool disable) override;
+        void setPEXDisabled(bool disable) override;
+        void setLSDDisabled(bool disable) override;
         void flushCache() const override;
         void addTrackers(const QVector<TrackerEntry> &trackers) override;
         void replaceTrackers(const QVector<TrackerEntry> &trackers) override;
@@ -241,6 +251,7 @@ namespace BitTorrent
         void handleAppendExtensionToggled();
         void saveResumeData();
         void handleMoveStorageJobFinished(bool hasOutstandingJob);
+        void fileSearchFinished(const QString &savePath, const QStringList &fileNames);
 
         QString actualStorageLocation() const;
 
@@ -250,7 +261,6 @@ namespace BitTorrent
         void updateStatus();
         void updateStatus(const lt::torrent_status &nativeStatus);
         void updateState();
-        void updateTorrentInfo();
 
         void handleFastResumeRejectedAlert(const lt::fastresume_rejected_alert *p);
         void handleFileCompletedAlert(const lt::file_completed_alert *p);
@@ -279,14 +289,18 @@ namespace BitTorrent
         void manageIncompleteFiles();
         void applyFirstLastPiecePriority(bool enabled, const QVector<DownloadPriority> &updatedFilePrio = {});
 
+        void endReceivedMetadataHandling(const QString &savePath, const QStringList &fileNames);
+        void reload();
+
         Session *const m_session;
+        lt::session *m_nativeSession;
         lt::torrent_handle m_nativeHandle;
         lt::torrent_status m_nativeStatus;
         TorrentState m_state = TorrentState::Unknown;
         TorrentInfo m_torrentInfo;
         SpeedMonitor m_speedMonitor;
 
-        InfoHash m_hash;
+        InfoHash m_infoHash;
 
         // m_moveFinishedTriggers is activated only when the following conditions are met:
         // all file rename jobs complete, all file move jobs complete
@@ -294,6 +308,8 @@ namespace BitTorrent
         int m_renameCount = 0;
         bool m_storageIsMoving = false;
 
+        MaintenanceJob m_maintenanceJob = MaintenanceJob::None;
+
         // Until libtorrent provide an "old_name" field in `file_renamed_alert`
         // we will rely on this workaround to remove empty leftover folders
         QHash<lt::file_index_t, QVector<QString>> m_oldPath;
@@ -308,10 +324,10 @@ namespace BitTorrent
         qreal m_ratioLimit;
         int m_seedingTimeLimit;
         TorrentOperatingMode m_operatingMode;
+        TorrentContentLayout m_contentLayout;
         bool m_hasSeedStatus;
         bool m_fastresumeDataRejected = false;
         bool m_hasMissingFiles = false;
-        bool m_hasRootFolder;
         bool m_hasFirstLastPiecePriority = false;
         bool m_useAutoTMM;
         bool m_isStopped;

src/base/bittorrent/torrentinfo.cpp

@@ -40,6 +40,7 @@
 #include <QString>
 #include <QStringList>
 #include <QUrl>
+#include <QVector>
 
 #include "base/exceptions.h"
 #include "base/global.h"
@@ -51,6 +52,29 @@
 
 using namespace BitTorrent;
 
+namespace
+{
+    QString getRootFolder(const QStringList &filePaths)
+    {
+        QString rootFolder;
+        for (const QString &filePath : filePaths)
+        {
+            if (QDir::isAbsolutePath(filePath)) continue;
+
+            const auto filePathElements = filePath.splitRef('/');
+            // if at least one file has no root folder, no common root folder exists
+            if (filePathElements.count() <= 1) return {};
+
+            if (rootFolder.isEmpty())
+                rootFolder = filePathElements.at(0).toString();
+            else if (rootFolder != filePathElements.at(0))
+                return {};
+        }
+
+        return rootFolder;
+    }
+}
+
 TorrentInfo::TorrentInfo(std::shared_ptr<const lt::torrent_info> nativeInfo)
 {
     m_nativeInfo = std::const_pointer_cast<lt::torrent_info>(nativeInfo);
@@ -160,16 +184,21 @@ bool TorrentInfo::isValid() const
     return (m_nativeInfo && m_nativeInfo->is_valid() && (m_nativeInfo->num_files() > 0));
 }
 
-InfoHash TorrentInfo::hash() const
+InfoHash TorrentInfo::infoHash() const
 {
     if (!isValid()) return {};
+
+#if (LIBTORRENT_VERSION_NUM >= 20000)
+    return m_nativeInfo->info_hashes();
+#else
     return m_nativeInfo->info_hash();
+#endif
 }
 
 QString TorrentInfo::name() const
 {
     if (!isValid()) return {};
-    return QString::fromStdString(m_nativeInfo->name());
+    return QString::fromStdString(m_nativeInfo->orig_files().name());
 }
 
 QDateTime TorrentInfo::creationDate() const
@@ -278,7 +307,7 @@ QVector<TrackerEntry> TorrentInfo::trackers() const
     ret.reserve(trackers.size());
 
     for (const lt::announce_entry &tracker : trackers)
-        ret.append(tracker);
+        ret.append({QString::fromStdString(tracker.url)});
     return ret;
 }
 
@@ -350,7 +379,7 @@ QVector<QByteArray> TorrentInfo::pieceHashes() const
     hashes.reserve(count);
 
     for (int i = 0; i < count; ++i)
-        hashes += {m_nativeInfo->hash_for_piece_ptr(lt::piece_index_t {i}), InfoHash::length()};
+        hashes += {m_nativeInfo->hash_for_piece_ptr(lt::piece_index_t {i}), SHA1Hash::length()};
 
     return hashes;
 }
@@ -411,23 +440,7 @@ int TorrentInfo::fileIndex(const QString &fileName) const
 
 QString TorrentInfo::rootFolder() const
 {
-    QString rootFolder;
-    for (int i = 0; i < filesCount(); ++i)
-    {
-        const QString filePath = this->filePath(i);
-        if (QDir::isAbsolutePath(filePath)) continue;
-
-        const auto filePathElements = filePath.splitRef('/');
-        // if at least one file has no root folder, no common root folder exists
-        if (filePathElements.count() <= 1) return "";
-
-        if (rootFolder.isEmpty())
-            rootFolder = filePathElements.at(0).toString();
-        else if (rootFolder != filePathElements.at(0))
-            return "";
-    }
-
-    return rootFolder;
+    return getRootFolder(filePaths());
 }
 
 bool TorrentInfo::hasRootFolder() const
@@ -435,10 +448,26 @@ bool TorrentInfo::hasRootFolder() const
     return !rootFolder().isEmpty();
 }
 
+void TorrentInfo::setContentLayout(const TorrentContentLayout layout)
+{
+    switch (layout)
+    {
+    case TorrentContentLayout::Original:
+        setContentLayout(defaultContentLayout());
+        break;
+    case TorrentContentLayout::Subfolder:
+        if (rootFolder().isEmpty())
+            addRootFolder();
+        break;
+    case TorrentContentLayout::NoSubfolder:
+        if (!rootFolder().isEmpty())
+            stripRootFolder();
+        break;
+    }
+}
+
 void TorrentInfo::stripRootFolder()
 {
-    if (!hasRootFolder()) return;
-
     lt::file_storage files = m_nativeInfo->files();
 
     // Solution for case of renamed root folder
@@ -455,6 +484,36 @@ void TorrentInfo::stripRootFolder()
     m_nativeInfo->remap_files(files);
 }
 
+void TorrentInfo::addRootFolder()
+{
+    const QString originalName = name();
+    Q_ASSERT(!originalName.isEmpty());
+
+    const QString extension = Utils::Fs::fileExtension(originalName);
+    const QString rootFolder = extension.isEmpty()
+            ? originalName
+            : originalName.chopped(extension.size() + 1);
+    const std::string rootPrefix = Utils::Fs::toNativePath(rootFolder + QLatin1Char {'/'}).toStdString();
+    lt::file_storage files = m_nativeInfo->files();
+    files.set_name(rootFolder.toStdString());
+    for (int i = 0; i < files.num_files(); ++i)
+        files.rename_file(lt::file_index_t {i}, rootPrefix + files.file_path(lt::file_index_t {i}));
+    m_nativeInfo->remap_files(files);
+}
+
+TorrentContentLayout TorrentInfo::defaultContentLayout() const
+{
+    QStringList origFilePaths;
+    origFilePaths.reserve(filesCount());
+    for (int i = 0; i < filesCount(); ++i)
+        origFilePaths << origFilePath(i);
+
+    const QString origRootFolder = getRootFolder(origFilePaths);
+    return (origRootFolder.isEmpty()
+            ? TorrentContentLayout::NoSubfolder
+            : TorrentContentLayout::Subfolder);
+}
+
 std::shared_ptr<lt::torrent_info> TorrentInfo::nativeInfo() const
 {
     return m_nativeInfo;

src/base/bittorrent/torrentinfo.h

@@ -26,28 +26,28 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_TORRENTINFO_H
-#define BITTORRENT_TORRENTINFO_H
+#pragma once
 
 #include <libtorrent/torrent_info.hpp>
 
 #include <QCoreApplication>
-#include <QVector>
+#include <QtContainerFwd>
 
 #include "base/indexrange.h"
+#include "abstractfilestorage.h"
+#include "torrentcontentlayout.h"
 
 class QByteArray;
 class QDateTime;
 class QString;
-class QStringList;
 class QUrl;
 
 namespace BitTorrent
 {
     class InfoHash;
-    class TrackerEntry;
+    struct TrackerEntry;
 
-    class TorrentInfo
+    class TorrentInfo final : public AbstractFileStorage
     {
         Q_DECLARE_TR_FUNCTIONS(TorrentInfo)
 
@@ -62,22 +62,22 @@ namespace BitTorrent
         TorrentInfo &operator=(const TorrentInfo &other);
 
         bool isValid() const;
-        InfoHash hash() const;
+        InfoHash infoHash() const;
         QString name() const;
         QDateTime creationDate() const;
         QString creator() const;
         QString comment() const;
         bool isPrivate() const;
         qlonglong totalSize() const;
-        int filesCount() const;
+        int filesCount() const override;
         int pieceLength() const;
         int pieceLength(int index) const;
         int piecesCount() const;
-        QString filePath(int index) const;
+        QString filePath(int index) const override;
         QStringList filePaths() const;
-        QString fileName(int index) const;
+        QString fileName(int index) const override;
         QString origFilePath(int index) const;
-        qlonglong fileSize(int index) const;
+        qlonglong fileSize(int index) const override;
         qlonglong fileOffset(int index) const;
         QVector<TrackerEntry> trackers() const;
         QVector<QUrl> urlSeeds() const;
@@ -92,19 +92,21 @@ namespace BitTorrent
         PieceRange filePieces(const QString &file) const;
         PieceRange filePieces(int fileIndex) const;
 
-        void renameFile(int index, const QString &newPath);
+        void renameFile(int index, const QString &newPath) override;
 
         QString rootFolder() const;
         bool hasRootFolder() const;
-        void stripRootFolder();
+        void setContentLayout(TorrentContentLayout layout);
 
         std::shared_ptr<lt::torrent_info> nativeInfo() const;
 
     private:
         // returns file index or -1 if fileName is not found
         int fileIndex(const QString &fileName) const;
+        void stripRootFolder();
+        void addRootFolder();
+        TorrentContentLayout defaultContentLayout() const;
+
         std::shared_ptr<lt::torrent_info> m_nativeInfo;
     };
 }
-
-#endif // BITTORRENT_TORRENTINFO_H

src/base/bittorrent/tracker.cpp

@@ -153,7 +153,7 @@ struct Tracker::TrackerAnnounceRequest
 {
     QHostAddress socketAddress;
     QByteArray claimedAddress;  // self claimed by peer
-    InfoHash infoHash;
+    TorrentID torrentID;
     QString event;
     Peer peer;
     int numwant = 50;
@@ -295,11 +295,11 @@ void Tracker::processAnnounceRequest()
     if (infoHashIter == queryParams.end())
         throw TrackerError("Missing \"info_hash\" parameter");
 
-    const InfoHash infoHash(infoHashIter->toHex());
-    if (!infoHash.isValid())
+    const auto torrentID = TorrentID::fromString(infoHashIter->toHex());
+    if (!torrentID.isValid())
         throw TrackerError("Invalid \"info_hash\" parameter");
 
-    announceReq.infoHash = infoHash;
+    announceReq.torrentID = torrentID;
 
     // 2. peer_id
     const auto peerIdIter = queryParams.find(ANNOUNCE_REQUEST_PEER_ID);
@@ -381,19 +381,19 @@ void Tracker::processAnnounceRequest()
 
 void Tracker::registerPeer(const TrackerAnnounceRequest &announceReq)
 {
-    if (!m_torrents.contains(announceReq.infoHash))
+    if (!m_torrents.contains(announceReq.torrentID))
     {
         // Reached max size, remove a random torrent
         if (m_torrents.size() >= MAX_TORRENTS)
             m_torrents.erase(m_torrents.begin());
     }
 
-    m_torrents[announceReq.infoHash].setPeer(announceReq.peer);
+    m_torrents[announceReq.torrentID].setPeer(announceReq.peer);
 }
 
 void Tracker::unregisterPeer(const TrackerAnnounceRequest &announceReq)
 {
-    const auto torrentStatsIter = m_torrents.find(announceReq.infoHash);
+    const auto torrentStatsIter = m_torrents.find(announceReq.torrentID);
     if (torrentStatsIter == m_torrents.end())
         return;
 
@@ -405,7 +405,7 @@ void Tracker::unregisterPeer(const TrackerAnnounceRequest &announceReq)
 
 void Tracker::prepareAnnounceResponse(const TrackerAnnounceRequest &announceReq)
 {
-    const TorrentStats &torrentStats = m_torrents[announceReq.infoHash];
+    const TorrentStats &torrentStats = m_torrents[announceReq.torrentID];
 
     lt::entry::dictionary_type replyDict
     {

src/base/bittorrent/tracker.h

@@ -28,8 +28,7 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_TRACKER_H
-#define BITTORRENT_TRACKER_H
+#pragma once
 
 #include <string>
 
@@ -103,8 +102,6 @@ namespace BitTorrent
         Http::Request m_request;
         Http::Environment m_env;
 
-        QHash<InfoHash, TorrentStats> m_torrents;
+        QHash<TorrentID, TorrentStats> m_torrents;
     };
 }
-
-#endif // BITTORRENT_TRACKER_H

src/base/bittorrent/trackerentry.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015, 2021  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,139 +28,15 @@
 
 #include "trackerentry.h"
 
-#include <algorithm>
-
-#include <libtorrent/version.hpp>
-
-#include <QString>
 #include <QUrl>
 
-using namespace BitTorrent;
-
-TrackerEntry::TrackerEntry(const QString &url)
-    : m_nativeEntry(url.toStdString())
-{
-}
-
-TrackerEntry::TrackerEntry(const lt::announce_entry &nativeEntry)
-    : m_nativeEntry(nativeEntry)
-{
-}
-
-QString TrackerEntry::url() const
-{
-    return QString::fromStdString(nativeEntry().url);
-}
-
-int TrackerEntry::tier() const
-{
-    return nativeEntry().tier;
-}
-
-TrackerEntry::Status TrackerEntry::status() const
-{
-    const auto &endpoints = nativeEntry().endpoints;
-
-    const bool allFailed = !endpoints.empty() && std::all_of(endpoints.begin(), endpoints.end()
-        , [](const lt::announce_endpoint &endpoint)
-    {
-#if (LIBTORRENT_VERSION_NUM >= 20000)
-        return std::all_of(endpoint.info_hashes.begin(), endpoint.info_hashes.end()
-            , [](const lt::announce_infohash &infohash)
-            {
-                return (infohash.fails > 0);
-            });
-#else
-        return (endpoint.fails > 0);
-#endif
-    });
-    if (allFailed)
-        return NotWorking;
-
-    const bool isUpdating = std::any_of(endpoints.begin(), endpoints.end()
-        , [](const lt::announce_endpoint &endpoint)
-    {
-#if (LIBTORRENT_VERSION_NUM >= 20000)
-        return std::any_of(endpoint.info_hashes.begin(), endpoint.info_hashes.end()
-            , [](const lt::announce_infohash &infohash)
-            {
-                return infohash.updating;
-            });
-#else
-        return endpoint.updating;
-#endif
-    });
-    if (isUpdating)
-        return Updating;
-
-    if (!nativeEntry().verified)
-        return NotContacted;
-
-    return Working;
-}
-
-void TrackerEntry::setTier(const int value)
-{
-    m_nativeEntry.tier = value;
-}
-
-int TrackerEntry::numSeeds() const
-{
-    int value = -1;
-    for (const lt::announce_endpoint &endpoint : nativeEntry().endpoints)
-    {
-#if (LIBTORRENT_VERSION_NUM >= 20000)
-        for (const lt::announce_infohash &infoHash : endpoint.info_hashes)
-            value = std::max(value, infoHash.scrape_complete);
-#else
-        value = std::max(value, endpoint.scrape_complete);
-#endif
-    }
-    return value;
-}
-
-int TrackerEntry::numLeeches() const
-{
-    int value = -1;
-    for (const lt::announce_endpoint &endpoint : nativeEntry().endpoints)
-    {
-#if (LIBTORRENT_VERSION_NUM >= 20000)
-        for (const lt::announce_infohash &infoHash : endpoint.info_hashes)
-            value = std::max(value, infoHash.scrape_incomplete);
-#else
-        value = std::max(value, endpoint.scrape_incomplete);
-#endif
-    }
-    return value;
-}
-
-int TrackerEntry::numDownloaded() const
-{
-    int value = -1;
-    for (const lt::announce_endpoint &endpoint : nativeEntry().endpoints)
-    {
-#if (LIBTORRENT_VERSION_NUM >= 20000)
-        for (const lt::announce_infohash &infoHash : endpoint.info_hashes)
-            value = std::max(value, infoHash.scrape_downloaded);
-#else
-        value = std::max(value, endpoint.scrape_downloaded);
-#endif
-    }
-    return value;
-}
-
-const lt::announce_entry &TrackerEntry::nativeEntry() const
-{
-    return m_nativeEntry;
-}
-
 bool BitTorrent::operator==(const TrackerEntry &left, const TrackerEntry &right)
 {
-    return ((left.tier() == right.tier())
-        && QUrl(left.url()) == QUrl(right.url()));
+    return ((left.tier == right.tier)
+        && QUrl(left.url) == QUrl(right.url));
 }
 
 uint BitTorrent::qHash(const TrackerEntry &key, const uint seed)
 {
-    return (::qHash(key.url(), seed) ^ ::qHash(key.tier()));
+    return (::qHash(key.url, seed) ^ ::qHash(key.tier));
 }

src/base/bittorrent/trackerentry.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015, 2021  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -26,20 +26,16 @@
  * exception statement from your version.
  */
 
-#ifndef BITTORRENT_TRACKERENTRY_H
-#define BITTORRENT_TRACKERENTRY_H
-
-#include <libtorrent/announce_entry.hpp>
+#pragma once
 
 #include <QtGlobal>
-
-class QString;
+#include <QString>
+#include <QVector>
 
 namespace BitTorrent
 {
-    class TrackerEntry
+    struct TrackerEntry
     {
-    public:
         enum Status
         {
             NotContacted = 1,
@@ -48,30 +44,28 @@ namespace BitTorrent
             NotWorking = 4
         };
 
-        TrackerEntry() = default;
-        TrackerEntry(const QString &url);
-        TrackerEntry(const lt::announce_entry &nativeEntry);
-        TrackerEntry(const TrackerEntry &other) = default;
-        TrackerEntry &operator=(const TrackerEntry &other) = default;
+        struct EndpointStats
+        {
+            int protocolVersion = 1;
 
-        QString url() const;
-        Status status() const;
+            Status status = NotContacted;
+            int numSeeds = -1;
+            int numLeeches = -1;
+            int numDownloaded = -1;
+        };
 
-        int tier() const;
-        void setTier(int value);
+        QString url;
+        int tier = 0;
 
-        int numSeeds() const;
-        int numLeeches() const;
-        int numDownloaded() const;
+        QVector<EndpointStats> endpoints {};
 
-        const lt::announce_entry &nativeEntry() const;
-
-    private:
-        lt::announce_entry m_nativeEntry;
+        // Deprecated fields
+        Status status = NotContacted;
+        int numSeeds = -1;
+        int numLeeches = -1;
+        int numDownloaded = -1;
     };
 
     bool operator==(const TrackerEntry &left, const TrackerEntry &right);
     uint qHash(const TrackerEntry &key, uint seed);
 }
-
-#endif // BITTORRENT_TRACKERENTRY_H

src/base/digest32.h

@@ -0,0 +1,121 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015, 2021  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <libtorrent/sha1_hash.hpp>
+
+#include <QByteArray>
+#include <QHash>
+#include <QString>
+
+template <int N>
+class Digest32
+{
+public:
+    using UnderlyingType = lt::digest32<N>;
+
+    Digest32() = default;
+    Digest32(const Digest32 &other) = default;
+
+    Digest32(const UnderlyingType &nativeDigest)
+        : m_valid {true}
+        , m_nativeDigest {nativeDigest}
+    {
+        const QByteArray raw = QByteArray::fromRawData(nativeDigest.data(), length());
+        m_hashString = QString::fromLatin1(raw.toHex());
+    }
+
+    static constexpr int length()
+    {
+        return UnderlyingType::size();
+    }
+
+    bool isValid() const
+    {
+        return m_valid;
+    }
+
+    operator UnderlyingType() const
+    {
+        return m_nativeDigest;
+    }
+
+    static Digest32 fromString(const QString &digestString)
+    {
+        if (digestString.size() != (length() * 2))
+            return {};
+
+        const QByteArray raw = QByteArray::fromHex(digestString.toLatin1());
+        if (raw.size() != length())  // QByteArray::fromHex() will skip over invalid characters
+            return {};
+
+        Digest32 result;
+        result.m_valid = true;
+        result.m_hashString = digestString;
+        result.m_nativeDigest.assign(raw.constData());
+
+        return result;
+    }
+
+    QString toString() const
+    {
+        return m_hashString;
+    }
+
+private:
+    bool m_valid = false;
+    UnderlyingType m_nativeDigest;
+    QString m_hashString;
+};
+
+template <int N>
+bool operator==(const Digest32<N> &left, const Digest32<N> &right)
+{
+    return (static_cast<typename Digest32<N>::UnderlyingType>(left)
+            == static_cast<typename Digest32<N>::UnderlyingType>(right));
+}
+
+template <int N>
+bool operator!=(const Digest32<N> &left, const Digest32<N> &right)
+{
+    return !(left == right);
+}
+
+template <int N>
+bool operator<(const Digest32<N> &left, const Digest32<N> &right)
+{
+    return static_cast<typename Digest32<N>::UnderlyingType>(left)
+            < static_cast<typename Digest32<N>::UnderlyingType>(right);
+}
+
+template <int N>
+uint qHash(const Digest32<N> &key, const uint seed)
+{
+    return ::qHash(std::hash<typename Digest32<N>::UnderlyingType>()(key), seed);
+}

src/base/filesystemwatcher.h

@@ -26,17 +26,15 @@
  * exception statement from your version.
  */
 
-#ifndef FILESYSTEMWATCHER_H
-#define FILESYSTEMWATCHER_H
+#pragma once
 
 #include <QDir>
 #include <QFileSystemWatcher>
 #include <QHash>
+#include <QtContainerFwd>
 #include <QTimer>
 #include <QVector>
 
-class QStringList;
-
 /*
  * Subclassing QFileSystemWatcher in order to support Network File
  * System watching (NFS, CIFS) on Linux and Mac OS.
@@ -70,5 +68,3 @@ private:
     QVector<QDir> m_watchedFolders;
     QTimer m_watchTimer;
 };
-
-#endif // FILESYSTEMWATCHER_H

src/base/http/connection.h

@@ -28,8 +28,7 @@
  */
 
 
-#ifndef HTTP_CONNECTION_H
-#define HTTP_CONNECTION_H
+#pragma once
 
 #include <QElapsedTimer>
 #include <QObject>
@@ -66,5 +65,3 @@ namespace Http
         QElapsedTimer m_idleTimer;
     };
 }
-
-#endif // HTTP_CONNECTION_H

src/base/http/irequesthandler.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef HTTP_IREQUESTHANDLER_H
-#define HTTP_IREQUESTHANDLER_H
+#pragma once
 
 namespace Http
 {
@@ -42,5 +41,3 @@ namespace Http
         virtual Response processRequest(const Request &request, const Environment &env) = 0;
     };
 }
-
-#endif // HTTP_IREQUESTHANDLER_H

src/base/http/requestparser.h

@@ -28,8 +28,7 @@
  * exception statement from your version.
  */
 
-#ifndef HTTP_REQUESTPARSER_H
-#define HTTP_REQUESTPARSER_H
+#pragma once
 
 #include "types.h"
 
@@ -70,5 +69,3 @@ namespace Http
         Request m_request;
     };
 }
-
-#endif // HTTP_REQUESTPARSER_H

src/base/http/responsebuilder.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef HTTP_RESPONSEBUILDER_H
-#define HTTP_RESPONSEBUILDER_H
+#pragma once
 
 #include "types.h"
 
@@ -50,5 +49,3 @@ namespace Http
         Response m_response;
     };
 }
-
-#endif // HTTP_RESPONSEBUILDER_H

src/base/http/responsegenerator.h

@@ -28,8 +28,7 @@
  */
 
 
-#ifndef HTTP_RESPONSEGENERATOR_H
-#define HTTP_RESPONSEGENERATOR_H
+#pragma once
 
 class QByteArray;
 class QString;
@@ -42,5 +41,3 @@ namespace Http
     QString httpDate();
     void compressContent(Response &response);
 }
-
-#endif // HTTP_RESPONSEGENERATOR_H

src/base/http/server.h

@@ -28,8 +28,7 @@
  */
 
 
-#ifndef HTTP_SERVER_H
-#define HTTP_SERVER_H
+#pragma once
 
 #include <QSet>
 #include <QSslCertificate>
@@ -67,5 +66,3 @@ namespace Http
         QSslKey m_key;
     };
 }
-
-#endif // HTTP_SERVER_H

src/base/http/types.h

@@ -27,8 +27,7 @@
  * exception statement from your version.
  */
 
-#ifndef HTTP_TYPES_H
-#define HTTP_TYPES_H
+#pragma once
 
 #include <QHostAddress>
 #include <QString>
@@ -127,5 +126,3 @@ namespace Http
         }
     };
 }
-
-#endif // HTTP_TYPES_H

src/base/iconprovider.h

@@ -27,8 +27,7 @@
  * exception statement from your version.
  */
 
-#ifndef ICONPROVIDER_H
-#define ICONPROVIDER_H
+#pragma once
 
 #include <QObject>
 
@@ -51,5 +50,3 @@ protected:
 
     static IconProvider *m_instance;
 };
-
-#endif // ICONPROVIDER_H

src/base/indexrange.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef QBT_INDEXRANGE_H
-#define QBT_INDEXRANGE_H
+#pragma once
 
 #include <QtGlobal>
 
@@ -38,8 +37,7 @@ class IndexInterval
 public:
     using IndexType = Index;
 
-    // TODO: add constexpr when using C++17
-    IndexInterval(const IndexType first, const IndexType last)
+    constexpr IndexInterval(const IndexType first, const IndexType last)
         : m_first {first}
         , m_last {last}
     {
@@ -169,5 +167,3 @@ private:
     IndexType m_first;
     IndexDiffType m_size;
 };
-
-#endif // QBT_INDEXRANGE_H

src/base/logger.cpp

@@ -31,6 +31,7 @@
 #include <algorithm>
 
 #include <QDateTime>
+#include <QVector>
 
 namespace
 {

src/base/logger.h

@@ -26,15 +26,14 @@
  * exception statement from your version.
  */
 
-#ifndef LOGGER_H
-#define LOGGER_H
+#pragma once
 
 #include <boost/circular_buffer.hpp>
 
 #include <QObject>
 #include <QReadWriteLock>
 #include <QString>
-#include <QVector>
+#include <QtContainerFwd>
 
 const int MAX_LOG_MESSAGES = 20000;
 
@@ -103,5 +102,3 @@ private:
 
 // Helper function
 void LogMsg(const QString &message, const Log::MsgType &type = Log::NORMAL);
-
-#endif // LOGGER_H

src/base/net/dnsupdater.cpp

@@ -34,6 +34,7 @@
 
 #include "base/logger.h"
 #include "base/net/downloadmanager.h"
+#include "base/version.h"
 
 using namespace Net;
 

src/base/net/dnsupdater.h

@@ -26,8 +26,7 @@
  * exception statement from your version.
  */
 
-#ifndef DNSUPDATER_H
-#define DNSUPDATER_H
+#pragma once
 
 #include <QDateTime>
 #include <QHostAddress>
@@ -84,5 +83,3 @@ namespace Net
         QString m_password;
     };
 }
-
-#endif // DNSUPDATER_H