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README.md

nheko

Build Status Build status Stable Version Nightly Download Nightly Flatpak #nheko-reborn:matrix.org AUR: nheko Download on Flathub

The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app (Element, Telegram etc) and less like an IRC client.

Translations

Translation status

Help us with translations so as many people as possible will be able to use nheko!

Note regarding End-to-End encryption

The current implementation is mostly stable, but it was never audited. If you rely on it for security, we can't make any guarantees.

Features

Most of the features you would expect from a chat application are missing right now but we are getting close to a more feature complete client. Specifically there is support for:

  • E2E encryption.
  • VoIP calls (voice & video).
  • User registration.
  • Creating, joining & leaving rooms.
  • Sending & receiving invites.
  • Sending & receiving files and emoji (inline widgets for images, audio and file messages).
  • Replies with text, images and other media (and actually render them as inline widgets).
  • Typing notifications.
  • Username auto-completion.
  • Message & mention notifications.
  • Redacting messages.
  • Read receipts.
  • Basic communities support.
  • Room switcher (ctrl-K).
  • Light, Dark & System themes.
  • Creating separate profiles (command line only, use -p name).
  • D-Bus API to allow integration with third-party plugins (does not support Windows or macOS).

Installation

Releases

Releases for Linux (AppImage), macOS (disk image) & Windows (x64 installer) can be found in the GitHub releases.

Repositories

Packaging status

Arch Linux

pacaur -S nheko # nheko-git

Nheko requires a secret server to run, so you'll need to install and configure a service such as KDE Wallet or GNOME Keyring if not provided by your desktop environment.

Binary releases of the stable builds are available (using Open Build Service). To add this unofficial repository, execute the following block after reviewing the PKGBUILD and service files:

curl -s 'https://download.opensuse.org/repositories/home:/digital_mystik:/AUR/Arch/x86_64/home_digital_mystik_AUR_Arch.key' | sudo pacman-key -a - && sudo pacman-key --lsign-key 4D41B287F3ABC4B8
echo '
[home_digital_mystik_AUR_Arch]
Server = https://download.opensuse.org/repositories/home:/digital_mystik:/AUR/Arch/x86_64/' | sudo tee --append /etc/pacman.conf
sudo pacman -Syu nheko

This imports the repository's public PGP key and locally signs it, adds the pertinent entry to /etc/pacman.conf, and installs nheko after updating the databases/system; one can now treat nheko as a typical package.

To undo these changes, delete the repository entry from /etc/pacman.conf, and remove the public signing key with sudo pacman-key -d 4D41B287F3ABC4B8.

Debian (10 and above) / Ubuntu (18.04 and above)

sudo apt install nheko

Fedora

sudo dnf install nheko

Gentoo Linux

sudo eselect repository enable guru
sudo emaint sync -r guru
sudo emerge -a nheko

If you are using Gnome Keyring or KeepassXC as your secrets daemon, ensure that the gnome-keyring useflag is enabled on dev-libs/qtkeychain.

Nix(os)

nix-env -iA nixpkgs.nheko
# or
nix-shell -p nheko --run nheko

Alpine Linux (and postmarketOS)

Make sure you have the testing repositories from edge enabled. Note that this is not needed on postmarketOS.

sudo apk add nheko

openSUSE

Note: these instructions have only been tested on Tumbleweed.

First, install nheko:

sudo zypper addrepo https://download.opensuse.org/repositories/network:messaging:matrix/openSUSE_Tumbleweed/network:messaging:matrix.repo
sudo zypper ref
sudo zypper in nheko

If you want to add jdenticon support:

sudo zypper install qt-jdenticon

Flatpak

flatpak install flathub io.github.NhekoReborn.Nheko

Guix

guix install nheko

macOS (10.14 and above)

with homebrew:

brew install --cask nheko

Windows

with Chocolatey:

choco install nheko-reborn

D-Bus plugins

nheko does not provide binaries for any D-Bus plugins. However, we do provide the following list of known plugins:

FAQ


Q: Why don't videos run for me on Windows?

A: You're probably missing the required video codecs, download K-Lite Codec Pack.


Q: What commands are supported by nheko?

A: See https://github.com/Nheko-Reborn/nheko/wiki/Commands


Q: Does nheko support end-to-end encryption (EE2E)?

A: Yes, see feature list


Q: Can I test a bleeding edge development version?

A: Checkout nightly builds https://matrix-static.neko.dev/room/!TshDrgpBNBDmfDeEGN:neko.dev/


Q: How do I add stickers and custom emojis?

A: Stickers and custom emojis are organized in image packs. There is one user image pack that only your account has access to and there are room image packs that are accessible by everyone in the room they are defined in. You can activate a room image pack globally to use it in any room.

To manage image packs in nheko, go to the room settings and enter the Sticker & Emote Settings. You will see the Private pack (your user image pack) and can edit it there. The Shortcode is a unique identifier you use to select the image with and the Body is the alternate text that is displayed on clients that don't support images (like the alt tag in HTML images).

If you have the necessary permissions you can create new room packs with the button at the bottom of the image pack list. They are the same as the user pack but you can create as many as you want and everyone in the room can use them. It might be a good idea to create an extra room just for your image packs to make sharing easier.


Build Requirements

  • Qt5 (5.15 or greater). Required for overlapping hover handlers in Qml.
  • CMake 3.15 or greater. (Lower version may work, but may break boost linking)
  • mtxclient
  • coeurl
  • LMDB
  • lmdb++
  • cmark 0.29 or greater.
  • libolm
  • spdlog
  • GStreamer 1.18.0 or greater (optional, needed for VoIP support. Pass -DVOIP=OFF to disable.).
    • Installing the gstreamer core library plus gst-plugins-base, gst-plugins-good & gst-plugins-bad is often sufficient. The qmlgl plugin though is often packaged separately. The actual plugin requirements are as follows:
    • Voice call support: dtls, opus, rtpmanager, srtp, webrtc
    • Video call support (optional): compositor, opengl, qmlgl, rtp, vpx
    • libnice
  • XCB, XCB-EWMH: For screensharing support on X11. VOIP needs to be enabled. Can be disabled with -DSCREENSHARE_X11=OFF.
  • qtkeychain (You need at least version 0.12 for proper Gnome Keychain support. The bundled version requires libsecret, unless you pass -DLIBSECRET_SUPPORT=OFF.)
  • A compiler that supports C++ 17:
    • Clang 6 (tested on Travis CI)
    • GCC 7 (tested on Travis CI)
    • MSVC 19.13 (tested on AppVeyor)

Nheko can use bundled version for most of those libraries automatically, if the versions in your distro are too old. To use them, you can enable the hunter integration by passing -DHUNTER_ENABLED=ON. It is probably wise to link those dependencies statically by passing -DBUILD_SHARED_LIBS=OFF You can select which bundled dependencies you want to use by passing various -DUSE_BUNDLED_* flags. By default all dependencies are bundled if you enable hunter. (The exception to that is OpenSSL, which is always disabled by default.) If you experience build issues and you are trying to link mtxclient library without hunter, make sure the library version(commit) as mentioned in the CMakeList.txt is used. Sometimes we have to make breaking changes in mtxclient and for that period the master branch of both repos may not be compatible.

The bundle flags are currently:

  • USE_BUNDLED_SPDLOG
  • USE_BUNDLED_OLM
  • USE_BUNDLED_GTEST
  • USE_BUNDLED_CMARK
  • USE_BUNDLED_JSON
  • USE_BUNDLED_OPENSSL
  • USE_BUNDLED_MTXCLIENT
  • USE_BUNDLED_LMDB
  • USE_BUNDLED_LMDBXX
  • USE_BUNDLED_COEURL
  • USE_BUNDLED_LIBCURL
  • USE_BUNDLED_LIBEVENT

A note on bundled OpenSSL: You need to explicitly enable it and it will not be using your system certificate directory by default, if you enable it. You need to override that at runtime with the SSL_CERT_FILE variable. On Windows it will still be using your system certificates though, since it loads them from the system store instead of the OpenSSL directory.

Linux

If you don't want to install any external dependencies, you can generate an AppImage locally using docker. It is not that well maintained though...

make docker-app-image
Arch Linux
sudo pacman -S qt5-base \
    qt5-tools \
    qt5-multimedia \
    qt5-svg \
    cmake \
    gcc \
    fontconfig \
    lmdb \
    cmark \
    boost \
    qtkeychain-qt5
Gentoo Linux
sudo emerge -a ">=dev-qt/qtgui-5.10.0" media-libs/fontconfig dev-libs/qtkeychain
Ubuntu 20.04
# Build requirements + qml modules needed at runtime (you may not need all of them, but the following seem to work according to reports):
sudo apt install g++ cmake zlib1g-dev libssl-dev qt{base,declarative,tools,multimedia,quickcontrols2-}5-dev libqt5svg5-dev libboost-system-dev libboost-thread-dev libboost-iostreams-dev libolm-dev liblmdb++-dev libcmark-dev nlohmann-json3-dev libspdlog-dev libgtest-dev qml-module-qt{gstreamer,multimedia,quick-extras,-labs-settings,-labs-platform,graphicaleffects,quick-controls2} qt5keychain-dev libevent-dev libcurl-dev

This will install all dependencies, except for tweeny (use bundled tweeny) and mtxclient (needs to be build separately).

Debian Buster (or higher probably)

(User report, not sure if all of those are needed)

sudo apt install cmake gcc make automake liblmdb-dev \
    qt5-default libssl-dev libqt5multimedia5-plugins libqt5multimediagsttools5 libqt5multimediaquick5 libqt5svg5-dev \
    qml-module-qtgstreamer qtmultimedia5-dev qtquickcontrols2-5-dev qttools5-dev qttools5-dev-tools qtdeclarative5-dev \
    qml-module-qtgraphicaleffects qml-module-qtmultimedia qml-module-qtquick-controls2 qml-module-qtquick-layouts  qml-module-qt-labs-platform\
    qt5keychain-dev asciidoctor libsecret-1-dev
Fedora
sudo dnf builddep nheko # note that some newer packages might not be captured by that
Guix
guix environment nheko
macOS (Xcode 10.2 or later)
brew update
brew install qt5 lmdb cmake llvm spdlog boost cmark libolm qtkeychain
Windows
  1. Install Visual Studio 2017's "Desktop Development" and "Linux Development with C++" (for the CMake integration) workloads.

  2. Download the latest Qt for windows installer and install it somewhere. Make sure to install the MSVC 2017 64-bit toolset for at least Qt 5.10 (lower versions does not support VS2017).

  3. If you don't have openssl installed, you will need to install perl to build it (i.e. Strawberry Perl).

Building

We can now build nheko:

cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release
cmake --build build

To use bundled dependencies you can use hunter, i.e.:

cmake -S. -Bbuild -DHUNTER_ENABLED=ON -DBUILD_SHARED_LIBS=OFF -DUSE_BUNDLED_OPENSSL=OFF
cmake --build build --config Release

Adapt the USE_BUNDLED_* as needed.

If the build fails with the following error

Could not find a package configuration file provided by "Qt5Widgets" with
any of the following names:

Qt5WidgetsConfig.cmake
qt5widgets-config.cmake

You might need to pass -DCMAKE_PREFIX_PATH to cmake to point it at your qt5 install.

e.g on macOS

cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$(brew --prefix qt5)
cmake --build build

The nheko binary will be located in the build directory.

Windows

After installing all dependencies, you need to edit the CMakeSettings.json to be able to load and compile nheko within Visual Studio.

You need to fill out the paths for the Qt5_DIR. The Qt5 dir should point to the lib\cmake\Qt5 dir.

Examples for the paths are:

  • C:\\Qt\\5.10.1\\msvc2017_64\\lib\\cmake\\Qt5

You should also enable hunter by setting HUNTER_ENABLED to ON and BUILD_SHARED_LIBS to OFF.

Now right click into the root nheko source directory and choose Open in Visual Studio. You can choose the build type Release and Debug in the top toolbar. After a successful CMake generation you can select the nheko.exe as the run target. Now choose Build all in the CMake menu or press F7 to compile the executable.

To be able to run the application the last step is to install the needed Qt dependencies next to the nheko binary.

Start the "Qt x.xx.x 64-bit for Desktop (MSVC 2017)" command promt and run windeployqt.

cd <path-to-nheko>\build-vc\Release\Release
windeployqt nheko.exe

The final binary will be located inside build-vc\Release\Release for the Release build and build-vc\Debug\Debug for the Debug build.

Also copy the respective cmark.dll to the binary dir from build/cmark-build/src/Release (or Debug).

Contributing

See CONTRIBUTING.

Using the D-Bus API

Currently, there is no documentation for the D-Bus API, so if you'd like to make use of it, come ask for support in #nheko:nheko.im.

Screens

Here are some screen shots to get a feel for the UI, but things will probably change.

nheko start nheko login nheko chat nheko settings nheko mobile

Third party