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Add a compile-time macro -DDOWNLOAD_URI_BASE (and autotools configure
option `--with-download-base=URI`) to specify a download URI base path.
For example, use "http://foo.bar/telegram/" base instead of the default
"file:///tmp/downloads/" to create clickable HTTP links for downloads
when running bitlbee with telegram-purple & HTTP server at foo.bar host.
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Jun 30, 2016

README.md

Also see tdlib-purple

If people send PRs or make suggestions, I'm very willing to merge them into telegram-purple. However, the list of issues is getting longer and longer, and tdlib-purple gets closer and closer to becoming a drop-in replacement.

Note that some features like secret chats are missing, so it's not quite there yet. I don't intend to abandon telegram-purple before tdlib-purple is a full replacement, so this project is still maintained (read: on life support).

Telegram-Purple Unofficial (Beta)

Telegram-purple is a Libpurple protocol plugin that adds support for the Telegram messenger.

I keep getting many questions about this plugin in my E-mail, so I've created a telegram group chat for telegram-purple related discussions or questions.

Installation

If you are just interested in using the plugin you probably want to use one of the following binary distributions. Please note that I do not control most of those package sources and the version may lag behind.

If your platform is not supported or you want to contribute by testing or development, scroll down to "Building form Source".

macOS (Adium)

  1. Download and execute the [Telegram-Adium bundle] (https://github.com/majn/telegram-purple/releases/download/v1.3.0/telegram-adium-1.3.0.AdiumLibpurplePlugin.zip)
  2. Restart Adium

Windows

We provide an installer for Windows users:

  1. Download and execute the corresponding setup from https://github.com/majn/telegram-purple/releases
  2. Restart Pidgin
  3. If not detected, restart Pidgin again

This installer is built in a different way than previous builds (specifically, by Eion Robb http://eion.robbmob.com/telegram/), and may still have some issues.

Specifically, the installer is compressed, so if you have an overzealous anti-virus installed, the installer may get flagged.

The build is 32-bit, so connecting with Telegram for the first time may take a few moments.

Alternatively, see "Building the Windows Installer" below.

Fedora (22, 23)

The package is available in the Fedora 22 and 23 testing repositories:

 dnf config-manager --set-enabled updates-testing
 dnf install purple-telegram

Arch Linux (AUR)

https://aur.archlinux.org/packages/telegram-purple/

Debian

You can build it from source (see following section) or build a .deb file for your package manager.

Building From Source

Below, you will find the instructions for how to build the libpurple protocol plugin from source.

1. Clone

This repository has submodules, so you need to clone recursively.

    git clone --recursive https://github.com/majn/telegram-purple
    cd telegram-purple

1b. Cloning if you're a packager

If you are unsure about whether you need this, then you are not a packager and don't have any use for this.

If you need an "orig-tarball", it can be generated by make dist. Note that this automatically generates an appropriate version number like 1.2.4-58-g8e3cebf. You can truncate the git suffix (-g8e3cebf). If the -58 part exists, it means that you're using a development version, which is probably not what you want. If you still want to package this, please leave the commit number (i.e., 58) intact, as this indicates that this version is in fact much further than just 1.2.4.

2. Fetch all dependencies

Fedora
    sudo dnf install gcc gettext libgcrypt-devel libwebp-devel libpurple-devel zlib-devel
Debian / Ubuntu
    sudo apt-get install libgcrypt20-dev libpurple-dev libwebp-dev gettext build-essential libpng-dev
OpenSUSE
    sudo zypper install gcc glib glib-devel libpurple libpurple-devel zlib-devel libwebp-devel

And the development files for gcrypt, probably gcrypt-devel or something. (FIXME)

3. Compile and install

If libwebp is not available, you can disable sticker support by calling ./configure --disable-libweb instead. Please note that this is usually not necessary.

    ./configure
    make
    sudo make install

Pulling Updates

This repository contains submodules, and a simple pull just won't be enough to update all the submodules’ files. Pull new changes with:

    git pull
    git submodule sync # just in case the configuration has changed 
    git submodule update --recursive

Usage

First Login

The username is your current phone number, including your full country prefix. For Germany, this would be '+49', resulting in a user name like '+49151123456'. Telegram will verify your phone number by sending you a code via SMS. You will be prompted for this code, once that happens.

Buddy List

Like in the official Telegram apps, the displayed buddy list consists of all active conversations.

Foreign Users

Foreign users, like for example people you only know through a group chat but never had any conversation with, will not be part of your buddy list by default. You can add those users to the buddy list by clicking on "Add contact..." in the users context menu.

Using secret chats

You can use Telegram secret chats with this plugin, they will show up as a new buddy with a '!' in front of the buddy name.

One caveat of secret chats in Telegram is that they can only have one endpoint, this is a limitation of the protocol. This means that if you create a secret chat in Pidgin or Adium you will not be able to use that chat on your phone. You will be asked whether to accept each secret chat, so you can always choose to accept the chat on a different device if you want. You can set a default behavior for dealing with secret chats (Accept or Decline) in the account settings, if you don't want that prompt to appear every time.

Self destructive messages will be ignored, since I don't know any way to delete them from the conversation and the history.

Confirming the key authenticity

Click on the buddy in the buddy list and click on "Show Info" to visualize the key fingerprint.

Initiate secret chats

To initiate a secret chat from Pidgin or Adium, click on a Buddy in the Buddy List and hit "Start Secret Chat"

Deleting secret chats

If you delete a secret chat from the buddy list, it will be terminated and no longer be usable.

Unicode Emojis for Pidgin

The Telegram phone applications for iOS and Android make use of standardized Unicode smileys (called Emojis). Pidgin does not display those smileys natively, but you can install a custom smiley theme like (https://github.com/stv0g/unicode-emoji) or (https://github.com/VxJasonxV/emoji-for-pidgin) and activate it under Settings > Themes > Smiley Theme.

Code-Tags

Since 1.3.0 it is possible to write messages in monospaced fonts using the markdown backtick syntax.

Example
``` if (true) {
    // do smth 
}```
Result
if (true) {
    // do smth
}

Compiling on macOS

On macOS you probably want to use the prebuilt Bundle for Adium (see above) and not compile it from source. Compiling the bundle for Adium oder Pidgin on macOS is rather complicated and usually not required.

Building the Pidgin Plugin

These steps are necessary when you want to build telegram-purple as a libpurple Plugin for macOS. The outputs of this build are also necessary when building the Adium bundle.

  1. Install Homebrew

  2. Clone repository

     git clone --recursive https://github.com/majn/telegram-purple
     cd telegram-purple
    
  3. Install dependencies using homebrew

    brew install glib
    brew install pkg-config
    brew install pidgin
    brew install webp
    brew install libgcrypt libgpg-error
    
  4. Configure make install

    ./configure CFLAGS="-I/usr/local/include -ggdb -O0" LDFLAGS="-L/usr/local/lib" --disable-translation
    # I currently don't know of an easy to support translations for Pidgin under macOS (sorry)
    
    make
    sudo make install
    

Building the Adium Plugin

(This part may be a little outdated.)

Compiling with XCode is a little bit problematic, since it requires you to compile Adium first to get the necessary framework files. My advice is to just use the prebuilt bundle, but if you really want to do it, follow these steps:

  1. Get the Adium source, compile it with XCode and copy the build output into telegram-adium/Frameworks/Adium. It should contain at least Adium.framework, AdiumLibpurple.framework and AIUitilies.framework

  2. Open the Adium source code, go to ./Frameworks and copy libglib.framework and libpurple.framework into telegram-adium/Frameworks/Adium

  3. Build the tgl submodule and delete libtgl.so from libs/ (it should only contain libtgl.a)

  4. Install libpng and libwebp with homebrew:

    brew install libpng webp
    
  5. If libpng or libwebp are already installed make sure they're up to date

    brew update
    brew upgrade libpng webp
    
  6. Move libpng and libwebp into the appropriate directory so Xcode can find them. Note that the versions might differ, use the one that is

    mkdir -p ./telegram-adium/Frameworks/Adium
    cp /usr/local/Cellar/libpng/1.6.37/lib/libpng.a ./telegram-adium/Frameworks
    cp /usr/local/Cellar/webp/1.0.3/lib/libwebp.a ./telegram-adium/Frameworks
    
  7. Build libgpg-error and libgcrypt using build_dependencies.sh

    sh ./telegram-adium/build_dependencies.sh
    
  8. Build the XCode-Project and execute the created bundle

Building the Debian Package

If you just need a .deb, simply do:

sudo apt-get install debhelper
fakeroot ./debian/rules binary

And you're done! The telegram-purple_….deb and telegram-purple-dbgsym_….deb files are in the parent directory. To show some info about it, try this:

dpkg --info telegram-purple_*.deb

Please note that installing the debugging symbols (dbgsym) help a lot in troubleshooting, so please do install them, too!

Debian Maintainers

If you're a maintainer (if you're not sure, then you aren't a maintainer), you need to produce a lot more files than that.

Here's how you can generate a .orig.tar.gz:

make dist

The following command requires the original tar to exist, and will build all further files, specifically .debian.tar.xz, .dsc, .deb, and .changes:

dpkg-buildpackage

If this fails with a cryptic error message, first make sure that the ….orig.tar really is in place.

For the upload, you should use pbuilder and similar to build the package in a more minimalistic environment. That covers the official part of the work-flow.

Of course, you can call small parts of the build process directly, in order to avoid overhead like rebuilding. For example, if you only need the .debian.tar.xz and .dsc files, do this:

make dist
false # Move tar to parent directory, by hand
dpkg-source -b .

Note that we no longer actively try to get it into the Debian repository.

Building the Windows Installer

You will need a Debian-ish operating system, and the following packages:

apt-get install build-essentials gcc-mingw-w64-i686 libgcrypt-mingw-w64-dev \
        libgpg-error-mingw-w64-dev libz-mingw-w64-dev \
        gettext libgcrypt20-dev libpurple-dev libwebp-dev \
        nsis

After that, run the build script:

./mkwindows.sh

This generates a file like telegram-purple-1.3.1+gcb96ff77aa.exe, which contains everything the Windows users need.

Discussion / Help

Custom pubkeys

As we want to avoid OpenSSL, it has become necessary to replace the PEM file format. This means that if you use a custom pubkey (which you really REALLY shouldn't be doing), you have to adapt, sorry.

We no longer read the public key of the Telegram servers from a file. If you really need a different public key, and know what you're doing (e.g., connecting to some kind of test environment internal to Telegram, which also is a very bad idea), you need to find the call to tgl_set_rsa_key_direct in telegram-purple.c, and provide the key directly by yourself.

FAQ

  • How can I improve the translations?

    • A: Request access in some form or another, for example through the development chat (see below), a GitHub issue, or request it directly on the Transifex website. You will need an account on that website, and need to make all changes there. I will then pull it at my next convenience. If you want it any faster, you can poke me on the dev chat.
  • How do I set telegram-purple up with Bitlbee?

    • A (easy): Use bitlbee-telegram instead. It is made for bitlbee.

    • A (hard): Mainly just followed the wiki steps:

      • First install bitlbee with purple enabled. In Arch, use the bitlbee-libpurple aur package.

      • Started the Bitlbee daemon, which runs with the bitlbee user:

        # systemctl start bitlbee.service
        
      • With any IRC client (e.g., irssi), connect to localhost with /connect localhost, then create the account with the commands:

        account add telegram <phone_number_with_region_prefix>
        account telegram on
        

      This was adapted from https://github.com/majn/telegram-purple/issues/461 . Thanks!

  • I receive pictures in a chat, but they aren't showing up

    • A: Make sure that you don't have a plugin like "Conversation Colors" that strips HTML from messages and removes the pictures.
  • I receive RPC_CALL_FAIL_401: SESSION REVOKED

    • A: This basically means your session has been terminated but the program doesn't handle terminated sessions properly yet. You have to clean the ~/.purple/telegram-purple/$PHONENUMBER directory to fix this issue.

      For Arch Linux users that use Bitlbee you can find this directory in /var/lib/bitlbee/purple/telegram-purple/

  • I don't see instructions for building on my Linux Distro, and/or I'm new to Linux as a whole! Help!

    • A: We don't know what kind of packaging system your distro has, but it has something, we're sure, so look up something like "how to install stuff on the command line in <distro name>", and familiarize yourself with the base of that command, because you probably will find yourself using it a lot. Then, use it to install git, and whatever other dependencies you need (they may be named something different, look up something like "what <distro name> packages provide gcc" and so on for each dependency you can't find) then, do git clone --recursive https://github.com/majn/telegram-purple and cd telegram-purple then, as with most anything, the ./configure, make, and sudo make install. If you're using Linux, especially one with a young/small package repository, or missing a package manager entirely, then you will have to be open to teaching yourself a lot of stuff. Good luck!

Group chat

Telegram group chat for telegram-purple or libtgl related discussions or questions:

https://bit.ly/2S539ia

Submitting Bug Reports

IMPORTANT: if you report bugs PLEASE make sure to always include as much information as possible. This should always include at least the telegram-purple version and (if possible) commit, where you got telegram-purple from (Source build, package repository, etc.), the Pidgin version (if you use a different messenger please state that too!) and your OS Version.

If you describe some issue please be as precise as possible. Descriptions like "XY doesn't work" will not help me. Describe what you are doing what kind of issue you are experiencing: "If I click on X, Y happens, but instead I would expect Z to happen".

For error reports please include the application logs. To get Pidgin to print a log, start it from command line, specifying the -d option. ATTENTION: This log will contain personal information like your phone number, message content or contact or chat names. If you plan on uploading it somewhere public mask those entries in the log.

Bug reports regarding crashes should include a backtrace if possible, there is extended documentation available on how to get a backtrace for crashes

Empathy / libtelepathy

Empathy doesn't natively support libpurple plugins since its based on libtelepathy, but there is a compatibillity layer called telepathy-haze that can be used to execute libpurple plugins. This means that you can basically run this plugin thanks to telepathy-haze but you will usually get less features and worse usability compared to real libpurple clients. If you use Empathy (or anything else based on libtelepathy) I recommend telepathy-morse which is a connection manager written specifically for your messenger.

Authors

Telegram-Purple was written by:

- Matthias Jentsch <mtthsjntsch@gmail.com>
- Vitaly Valtman
- Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
- Christopher Althaus <althaus.christopher@gmail.com>

Acknowledgements

This software is based on the library Libtgl, which was written by Vitaly Valtman mail@vysheng.ru and others, see (https://github.com/vysheng/tgl/)

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