176 lines
4.9 KiB
Markdown
176 lines
4.9 KiB
Markdown
## Telegabber: like Zhabogram, but in Go! ##
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Now it's native, more asynchronous, and does not require to mess your server up with a monstrous third-party interpreter.
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The configuration file is compatible with Zhabogram 2.0, so you can easily copy your existing `config.yml`.
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### Build ###
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Prerequisites: Go links the binary against the `glibc` version present in the system where the build process happens, so it should be less or equal to the version of `glibc` in the system where Telegabber will run.
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* Build TDLib according to [TDLib build instructions](https://tdlib.github.io/td/build.html). Roll back to commit 8d7bda00a535d1eda684c3c8802e85d69c89a14a if the compatibility got broken.
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* Install Go (tested with 1.13, but may work with earlier versions too).
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* Open the source dir in a new shell (to make sure that `$GOPATH` works) and run `make`. Dependencies will be installed automatically.
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After a successful build, you get a single binary to deploy on your server.
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In the deploy directory, you need only three files:
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* `telegabber` (the binary)
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* `config.yml`
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* `config_schema.json` (copy it from the repo)
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### Installation ###
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A third-party Docker config was prepared to set up telegabber+Prosody: https://github.com/e1z0/telegabber-docker/
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**Hard way:**
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First of all, you need to create component listener on your Jabber server.
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For example, for ejabberd in **/etc/ejabberd/ejabberd.yml**:
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```
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listen:
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-
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port: 8888
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module: ejabberd_service
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access: all
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shaper_rule: fast
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ip: "127.0.0.1"
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service_check_from: false
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hosts:
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"tlgrm.localhost":
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password: "secret"
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```
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Next, rename **config.yml.example** to **config.yml** and edit **xmpp** section to match your component listener:
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```
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:xmpp:
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db 'users.db'
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jid: 'tlgrm.localhost'
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host: 'localhost'
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port: 8888
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secret: 'secret'
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loglevel: :warn
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```
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### Configuration ###
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It is good idea to obtain Telegram API ID from [**https://my.telegram.org**](https://my.telegram.org) to remove demo key requests limit, and then edit in **config.yml**:
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```
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:telegram:
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:tdlib:
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:client:
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:api_id: '845316' # telegram API ID (my.telegram.org) #
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:api_hash: '27fe5224bc822bf3a45e015b4f9dfdb7' # telegram API HASH (my.telegram.org) #
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...
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```
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### Arguments ###
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* `--profiling-port=xxxx`: start the pprof server on port `xxxx`. Access is limited to localhost.
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* `--config=/bla/bla/config.yml`: set the config file path (default: `config.yml`).
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* `--schema=/bla/bla/schema.json`: set the schema file path (default: `./config_schema.json`).
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### How to receive files from Telegram ###
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First of all, you need to set up web server that will serve some directory in your filesystem.
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Example nginx config:
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```
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server {
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listen 80;
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server_name tlgrm.localhost;
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location /content {
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alias /var/zhabogram;
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}
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}
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```
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You need to set `:content: → :path: and :link:` **config.yml**.
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Set `:path:` according to location (for our example it will be `/var/zhabogram/content`).
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Set `:link:` according to server_name (for our example it will be `http://tlgrm.localhost`)
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### How to send files to Telegram chats ###
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You need to setup `mod_http_upload` for your XMPP server.
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For example, for ejabberd in **/etc/ejabberd/ejabberd.yml**
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```
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modules:
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mod_http_upload:
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docroot: "/var/ejabberd/upload" # this must be a valid path, user ownership and SELinux flags must be set accordingly
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put_url: "https://xmpp.localhost:5443/upload/@HOST@"
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get_url: "https://xmppfiles.localhost/upload/@HOST@"
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access: local
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max_size: 500000000 #500 MByte
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thumbnail: false
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file_mode: "0644"
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dir_mode: "0744"
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```
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Then you need to setup nginx proxy that will serve `get_url` path, because Telegram will not handle URLs with non-default http(s) ports.
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Example nginx config:
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```
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server {
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listen 80;
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listen 443 ssl;
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server_name xmppfiles.localhost;
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# SSL settigns #
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keepalive_timeout 60;
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ssl_certificate /etc/ssl/domain.crt;
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ssl_certificate_key /etc/ssl/domain.key;
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ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
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ssl_ciphers "RC4:HIGH:!aNULL:!MD5:!kEDH";
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add_header Strict-Transport-Security 'max-age=604800';
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location / {
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proxy_pass https://xmpp.localhost:5443;
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}
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}
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```
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Finally, update `:upload:` in your config.yml to match `server_name` in nginx config.
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### Carbons ###
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Telegabber needs special privileges according to XEP-0356 to simulate message carbons from the users (to display messages they have sent earlier or via other clients). Example configuration for Prosody:
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```
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modules_enabled = {
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[...]
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"privilege";
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}
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[...]
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Component "telegabber.yourdomain.tld"
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component_secret = "yourpassword"
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modules_enabled = {"privilege"}
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[...]
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VirtualHost "yourdomain.tld"
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[...]
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privileged_entities = {
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[...]
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["telegabber.yourdomain.tld"] = {
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message = "outgoing";
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},
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}
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```
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