Merge pull request Kozea#225 from deronnax/well-known

Support "well known" URLs

config

@@ -46,6 +46,10 @@ request = utf-8
 # Encoding for storing local collections
 stock = utf-8
 
+[well-known]
+caldav = '/%(user)s/caldav/'
+carddav = '/%(user)s/carddav/'
+
 
 [auth]
 # Authentication method

radicale/__init__.py

@@ -36,6 +36,7 @@
 import socket
 import ssl
 import wsgiref.simple_server
+import re
 # Manage Python2/3 different modules
 # pylint: disable=F0401,E0611
 try:
@@ -55,6 +56,7 @@
 # Standard "not allowed" response that is returned when an authenticated user
 # tries to access information they don't have rights to
 NOT_ALLOWED = (client.FORBIDDEN, {}, None)
+WELLKNOWNRE = re.compile(r'/.well-known/(carddav|caldav)/?')
 
 
 class HTTPServer(wsgiref.simple_server.WSGIServer, object):
@@ -277,6 +279,25 @@ def __call__(self, environ, start_response):
             user = environ.get("REMOTE_USER")
             password = None
 
+        wkfragment = WELLKNOWNRE.match(path)
+        if wkfragment:
+            if not user: del user
+            redirect = config.get("well-known", wkfragment.group(1))
+            try:
+                redirect = redirect % locals()
+                status = client.SEE_OTHER
+                log.LOGGER.info("/.well-known/ redirection to: %s" % redirect)
+                headers = {"Location": redirect.encode('utf8')}
+            except KeyError:
+                status = client.UNAUTHORIZED
+                headers = {
+                    "WWW-Authenticate":
+                    "Basic realm=\"%s\"" % config.get("server", "realm")}
+                log.LOGGER.info("refused /.well-known/ redirection to anonymous user")
+            status = "%i %s" % (status, client.responses.get(status, "Unknown"))
+            start_response(status, headers.items())
+            return []
+
         is_authenticated = auth.is_authenticated(user, password)
         is_valid_user = is_authenticated or not user
 

radicale/config.py

@@ -51,6 +51,9 @@
         "base_prefix": "/",
         "can_skip_base_prefix": "False",
         "realm": "Radicale - Password Required"},
+    "well-known": {
+         "caldav": "/%(user)s/caldav/",
+         "carddav": "/%(user)s/carddav/"},
     "encoding": {
         "request": "utf-8",
         "stock": "utf-8"},