57 lines
2.7 KiB
Python
57 lines
2.7 KiB
Python
# OAuth2 mock service
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#
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# Dovecot will query this service with the token it was provided.
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# If the session for the token is valid, a response provides an attribute to perform a UserDB lookup on (default: email).
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import json
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import base64
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from http.server import BaseHTTPRequestHandler, HTTPServer
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# OAuth2.0 Bearer token (paste into https://jwt.io/ to check it's contents).
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# You should never need to edit this unless you REALLY need to change the issuer.
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token = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwOi8vcHJvdmlkZXIuZXhhbXBsZS50ZXN0OjgwMDAvIiwic3ViIjoiODJjMWMzMzRkY2M2ZTMxMWFlNGFhZWJmZTk0NmM1ZTg1OGYwNTVhZmYxY2U1YTM3YWE3Y2M5MWFhYjE3ZTM1YyIsImF1ZCI6Im1haWxzZXJ2ZXIiLCJ1aWQiOiI4OU4zR0NuN1M1Y090WkZNRTVBeVhNbmxURFdVcnEzRmd4YWlyWWhFIn0.zuCytArbphhJn9XT_y9cBdGqDCNo68tBrtOwPIsuKNyF340SaOuZa0xarZofygytdDpLtYr56QlPTKImi-n1ZWrHkRZkwrQi5jQ-j_n2hEAL0vUToLbDnXYfc5q2w7z7X0aoCmiK8-fV7Kx4CVTM7riBgpElf6F3wNAIcX6R1ijUh6ISCL0XYsdogf8WUNZipXY-O4R7YHXdOENuOp3G48hWhxuUh9PsUqE5yxDwLsOVzCTqg9S5gxPQzF2eCN9J0I2XiIlLKvLQPIZ2Y_K7iYvVwjpNdgb4xhm9wuKoIVinYkF_6CwIzAawBWIDJAbix1IslkUPQMGbupTDtOgTiQ"
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# This is the string the user-facing client (e.g. Roundcube) should send via IMAP to Dovecot.
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# We include the user and the above token separated by '\1' chars as per the XOAUTH2 spec.
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xoauth2 = base64.b64encode(f"user=user1@localhost.localdomain\1auth=Bearer {token}\1\1".encode("utf-8"))
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# If changing the user above, use the new output from the below line with the contents of the AUTHENTICATE command in test/test-files/auth/imap-oauth2-auth.txt
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print("XOAUTH2 string: " + str(xoauth2))
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class HTTPRequestHandler(BaseHTTPRequestHandler):
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def do_GET(self):
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auth = self.headers.get("Authorization")
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if auth is None:
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self.send_response(401)
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self.end_headers()
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return
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if len(auth.split()) != 2:
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self.send_response(401)
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self.end_headers()
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return
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auth = auth.split()[1]
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# Valid session, respond with JSON containing the expected `email` claim to match as Dovecot username:
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if auth == token:
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self.send_response(200)
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self.send_header('Content-Type', 'application/json')
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self.end_headers()
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self.wfile.write(json.dumps({
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"email": "user1@localhost.localdomain",
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"email_verified": True,
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"sub": "82c1c334dcc6e311ae4aaebfe946c5e858f055aff1ce5a37aa7cc91aab17e35c"
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}).encode("utf-8"))
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else:
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self.send_response(401)
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self.end_headers()
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server = HTTPServer(('', 80), HTTPRequestHandler)
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print("Starting server", flush=True)
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try:
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server.serve_forever()
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except KeyboardInterrupt:
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print()
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print("Received keyboard interrupt")
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finally:
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print("Exiting")
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