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136 lines
3.9 KiB
Markdown
136 lines
3.9 KiB
Markdown
# Configuring Ejabberd (XMPP Server) to use Pleroma for authentication
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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.
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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.
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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.
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```bash
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cp pleroma_ejabberd_auth.py /etc/ejabberd/pleroma_ejabberd_auth.py
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chown ejabberd /etc/ejabberd/pleroma_ejabberd_auth.py
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chmod 700 /etc/ejabberd/pleroma_ejabberd_auth.py
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```
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Set external auth params in ejabberd.yaml file:
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```bash
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auth_method: [external]
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extauth_program: "python3 /etc/ejabberd/pleroma_ejabberd_auth.py"
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extauth_instances: 3
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auth_use_cache: false
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```
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Restart / reload your ejabberd service.
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After restarting your Ejabberd server, your users should now be able to connect with their Pleroma credentials.
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```python
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import sys
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import struct
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import http.client
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from base64 import b64encode
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import logging
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PLEROMA_HOST = "127.0.0.1"
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PLEROMA_PORT = "4000"
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AUTH_ENDPOINT = "/api/v1/accounts/verify_credentials"
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USER_ENDPOINT = "/api/v1/accounts"
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LOGFILE = "/var/log/ejabberd/pleroma_auth.log"
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logging.basicConfig(filename=LOGFILE, level=logging.INFO)
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# Pleroma functions
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def create_connection():
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return http.client.HTTPConnection(PLEROMA_HOST, PLEROMA_PORT)
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def verify_credentials(user: str, password: str) -> bool:
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user_pass_b64 = b64encode("{}:{}".format(
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user, password).encode('utf-8')).decode("ascii")
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params = {}
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headers = {
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"Authorization": "Basic {}".format(user_pass_b64)
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}
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try:
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conn = create_connection()
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conn.request("GET", AUTH_ENDPOINT, params, headers)
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response = conn.getresponse()
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if response.status == 200:
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return True
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return False
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except Exception as e:
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logging.info("Can not connect: %s", str(e))
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return False
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def does_user_exist(user: str) -> bool:
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conn = create_connection()
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conn.request("GET", "{}/{}".format(USER_ENDPOINT, user))
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response = conn.getresponse()
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if response.status == 200:
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return True
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return False
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def auth(username: str, server: str, password: str) -> bool:
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return verify_credentials(username, password)
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def isuser(username, server):
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return does_user_exist(username)
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def read():
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(pkt_size,) = struct.unpack('>H', bytes(sys.stdin.read(2), encoding='utf8'))
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pkt = sys.stdin.read(pkt_size)
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cmd = pkt.split(':')[0]
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if cmd == 'auth':
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username, server, password = pkt.split(':', 3)[1:]
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write(auth(username, server, password))
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elif cmd == 'isuser':
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username, server = pkt.split(':', 2)[1:]
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write(isuser(username, server))
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elif cmd == 'setpass':
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# u, s, p = pkt.split(':', 3)[1:]
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write(False)
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elif cmd == 'tryregister':
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# u, s, p = pkt.split(':', 3)[1:]
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write(False)
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elif cmd == 'removeuser':
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# u, s = pkt.split(':', 2)[1:]
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write(False)
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elif cmd == 'removeuser3':
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# u, s, p = pkt.split(':', 3)[1:]
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write(False)
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else:
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write(False)
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def write(result):
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if result:
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sys.stdout.write('\x00\x02\x00\x01')
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else:
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sys.stdout.write('\x00\x02\x00\x00')
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sys.stdout.flush()
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if __name__ == "__main__":
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logging.info("Starting pleroma ejabberd auth daemon...")
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while True:
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try:
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read()
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except Exception as e:
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logging.info(
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"Error while processing data from ejabberd %s", str(e))
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pass
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``` |