diff options
Diffstat (limited to 'docs/configuration/howto_ejabberd.md')
| -rw-r--r-- | docs/configuration/howto_ejabberd.md | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/docs/configuration/howto_ejabberd.md b/docs/configuration/howto_ejabberd.md new file mode 100644 index 000000000..520a0acbc --- /dev/null +++ b/docs/configuration/howto_ejabberd.md @@ -0,0 +1,136 @@ +# Configuring Ejabberd (XMPP Server) to use Pleroma for authentication + +If you want to give your Pleroma users an XMPP (chat) account, you can configure [Ejabberd](https://github.com/processone/ejabberd) to use your Pleroma server for user authentication, automatically giving every local user an XMPP account. + +In general, you just have to follow the configuration described at [https://docs.ejabberd.im/admin/configuration/authentication/#external-script](https://docs.ejabberd.im/admin/configuration/authentication/#external-script). Please read this section carefully. + +Copy the script below to suitable path on your system and set owner and permissions. Also do not forget adjusting `PLEROMA_HOST` and `PLEROMA_PORT`, if necessary. + +```bash +cp pleroma_ejabberd_auth.py /etc/ejabberd/pleroma_ejabberd_auth.py +chown ejabberd /etc/ejabberd/pleroma_ejabberd_auth.py +chmod 700 /etc/ejabberd/pleroma_ejabberd_auth.py +``` + +Set external auth params in ejabberd.yaml file: + +```bash +auth_method: [external] +extauth_program: "python3 /etc/ejabberd/pleroma_ejabberd_auth.py" +extauth_instances: 3 +auth_use_cache: false +``` + +Restart / reload your ejabberd service. + +After restarting your Ejabberd server, your users should now be able to connect with their Pleroma credentials. + + +```python +import sys +import struct +import http.client +from base64 import b64encode +import logging + + +PLEROMA_HOST = "127.0.0.1" +PLEROMA_PORT = "4000" +AUTH_ENDPOINT = "/api/v1/accounts/verify_credentials" +USER_ENDPOINT = "/api/v1/accounts" +LOGFILE = "/var/log/ejabberd/pleroma_auth.log" + +logging.basicConfig(filename=LOGFILE, level=logging.INFO) + + +# Pleroma functions +def create_connection(): + return http.client.HTTPConnection(PLEROMA_HOST, PLEROMA_PORT) + + +def verify_credentials(user: str, password: str) -> bool: + user_pass_b64 = b64encode("{}:{}".format( + user, password).encode('utf-8')).decode("ascii") + params = {} + headers = { + "Authorization": "Basic {}".format(user_pass_b64) + } + + try: + conn = create_connection() + conn.request("GET", AUTH_ENDPOINT, params, headers) + + response = conn.getresponse() + if response.status == 200: + return True + + return False + except Exception as e: + logging.info("Can not connect: %s", str(e)) + return False + + +def does_user_exist(user: str) -> bool: + conn = create_connection() + conn.request("GET", "{}/{}".format(USER_ENDPOINT, user)) + + response = conn.getresponse() + if response.status == 200: + return True + + return False + + +def auth(username: str, server: str, password: str) -> bool: + return verify_credentials(username, password) + + +def isuser(username, server): + return does_user_exist(username) + + +def read(): + (pkt_size,) = struct.unpack('>H', bytes(sys.stdin.read(2), encoding='utf8')) + pkt = sys.stdin.read(pkt_size) + cmd = pkt.split(':')[0] + if cmd == 'auth': + username, server, password = pkt.split(':', 3)[1:] + write(auth(username, server, password)) + elif cmd == 'isuser': + username, server = pkt.split(':', 2)[1:] + write(isuser(username, server)) + elif cmd == 'setpass': + # u, s, p = pkt.split(':', 3)[1:] + write(False) + elif cmd == 'tryregister': + # u, s, p = pkt.split(':', 3)[1:] + write(False) + elif cmd == 'removeuser': + # u, s = pkt.split(':', 2)[1:] + write(False) + elif cmd == 'removeuser3': + # u, s, p = pkt.split(':', 3)[1:] + write(False) + else: + write(False) + + +def write(result): + if result: + sys.stdout.write('\x00\x02\x00\x01') + else: + sys.stdout.write('\x00\x02\x00\x00') + sys.stdout.flush() + + +if __name__ == "__main__": + logging.info("Starting pleroma ejabberd auth daemon...") + while True: + try: + read() + except Exception as e: + logging.info( + "Error while processing data from ejabberd %s", str(e)) + pass + +```
\ No newline at end of file |