Fix generation of endpoint urls

Close #405

CHANGELOG.md

@@ -5,6 +5,13 @@ The format is based on the [KeepAChangeLog] project.
 
 [KeepAChangeLog]: http://keepachangelog.com/
 
+## 0.11.1.0 [Unreleased]
+
+### Fixed
+- [#405]: Fix generation of endpoint urls
+
+[#405]: https://github.com.OpenIDC/pyoidc/issues/405
+
 ## 0.11.0.0 [2017-07-07]
 
 ### Changed

src/oic/oic/provider.py

@@ -1663,9 +1663,11 @@ def create_providerinfo(self, pcr_class=ProviderConfigurationResponse,
 
         for endp in self.endp:
             # _log_info("# %s, %s" % (endp, endp.name))
-            _provider_info['{}_endpoint'.format(endp.etype)] = '{}/{}'.format(
-                self.baseurl,
-                endp.url)
+            if not self.baseurl.endswith('/'):
+                baseurl = self.baseurl + '/'
+            else:
+                baseurl = self.baseurl
+            _provider_info['{}_endpoint'.format(endp.etype)] = urljoin(baseurl, endp.url)
 
         if setup and isinstance(setup, dict):
             for key in pcr_class.c_param.keys():

tests/test_oic_provider.py

@@ -189,6 +189,16 @@ def create_provider(self, session_db_factory):
             "request_object_signing_alg": DEF_SIGN_ALG["openid_request_object"]}
         self.cons.keyjar[""] = KC_RSA
 
+    def test_providerinfo(self):
+        self.provider.baseurl = 'http://example.com/path1/path2'
+        resp = self.provider.create_providerinfo()
+        assert resp.to_dict()['authorization_endpoint'] == 'http://example.com/path1/path2/authorization'
+
+    def test_providerinfo_trailing(self):
+        self.provider.baseurl = 'http://example.com/path1/path2/'
+        resp = self.provider.create_providerinfo()
+        assert resp.to_dict()['authorization_endpoint'] == 'http://example.com/path1/path2/authorization'
+
     def test_authorization_endpoint(self):
         bib = {"scope": ["openid"],
                "state": "id-6da9ca0cc23959f5f33e8becd9b08cae",