Capture invalid response from the jira server

taiga/importers/exceptions.py

@@ -22,5 +22,8 @@ class InvalidRequest(Exception):
 class InvalidAuthResult(Exception):
     pass
 
+class InvalidServiceConfiguration(Exception):
+    pass
+
 class FailedRequest(Exception):
     pass

taiga/importers/jira/api.py

@@ -25,6 +25,7 @@ from taiga.users.services import get_user_photo_url
 from taiga.users.gravatar import get_user_gravatar_id
 
 from taiga.importers import permissions
+from taiga.importers import exceptions
 from taiga.importers.services import resolve_users_bindings
 from .normal import JiraNormalImporter
 from .agile import JiraAgileImporter
@@ -178,12 +179,15 @@ class JiraImporterViewSet(viewsets.ViewSet):
         if not jira_url:
             raise exc.WrongArguments(_("The url param is needed"))
 
-        (oauth_token, oauth_secret, url) = JiraNormalImporter.get_auth_url(
-            jira_url,
-            settings.IMPORTERS.get('jira', {}).get('consumer_key', None),
-            settings.IMPORTERS.get('jira', {}).get('cert', None),
-            True
-        )
+        try:
+            (oauth_token, oauth_secret, url) = JiraNormalImporter.get_auth_url(
+                jira_url,
+                settings.IMPORTERS.get('jira', {}).get('consumer_key', None),
+                settings.IMPORTERS.get('jira', {}).get('cert', None),
+                True
+            )
+        except exceptions.InvalidServiceConfiguration:
+            raise exc.BadRequest(_("Invalid Jira server configuration."))
 
         (auth_data, created) = AuthData.objects.get_or_create(
             user=request.user,

taiga/importers/jira/common.py

@@ -45,6 +45,7 @@ from taiga.projects.custom_attributes.models import (UserStoryCustomAttribute,
 from taiga.projects.history.models import HistoryEntry
 from taiga.projects.history.choices import HistoryType
 from taiga.mdrender.service import render as mdrender
+from taiga.importers import exceptions
 
 EPIC_COLORS = {
     "ghx-label-0": "#ffffff",
@@ -737,6 +738,8 @@ class JiraImporterCommon:
         oauth = OAuth1(consumer_key, signature_method=SIGNATURE_RSA, rsa_key=key_cert_data)
         r = requests.post(
             server + '/plugins/servlet/oauth/request-token', verify=verify, auth=oauth)
+        if r.status_code != 200:
+            raise exceptions.InvalidServiceConfiguration()
         request = dict(parse_qsl(r.text))
         request_token = request['oauth_token']
         request_token_secret = request['oauth_token_secret']