hovercards: handle unknown commits on repo by returning 404 instead of 500 error.

rhodecode/apps/hovercards/views.py

@@ -1,103 +1,109 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import re
 import logging
 import collections
 
+from pyramid.httpexceptions import HTTPNotFound
 from pyramid.view import view_config
 
 from rhodecode.apps._base import BaseAppView, RepoAppView
 from rhodecode.lib import helpers as h
 from rhodecode.lib.auth import (
     LoginRequired, NotAnonymous, HasRepoGroupPermissionAnyDecorator, CSRFRequired,
     HasRepoPermissionAnyDecorator)
 from rhodecode.lib.codeblocks import filenode_as_lines_tokens
 from rhodecode.lib.index import searcher_from_config
 from rhodecode.lib.utils2 import safe_unicode, str2bool, safe_int
 from rhodecode.lib.ext_json import json
+from rhodecode.lib.vcs.exceptions import CommitDoesNotExistError
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.model.db import (
     func, true, or_, case, in_filter_generator, Repository, RepoGroup, User, UserGroup, PullRequest)
 from rhodecode.model.repo import RepoModel
 from rhodecode.model.repo_group import RepoGroupModel
 from rhodecode.model.scm import RepoGroupList, RepoList
 from rhodecode.model.user import UserModel
 from rhodecode.model.user_group import UserGroupModel
 
 log = logging.getLogger(__name__)
 
 
 class HoverCardsView(BaseAppView):
 
     def load_default_context(self):
         c = self._get_local_tmpl_context()
         return c
 
     @LoginRequired()
     @view_config(
         route_name='hovercard_user', request_method='GET', xhr=True,
         renderer='rhodecode:templates/hovercards/hovercard_user.mako')
     def hovercard_user(self):
         c = self.load_default_context()
         user_id = self.request.matchdict['user_id']
         c.user = User.get_or_404(user_id)
         return self._get_template_context(c)
 
     @LoginRequired()
     @view_config(
         route_name='hovercard_user_group', request_method='GET', xhr=True,
         renderer='rhodecode:templates/hovercards/hovercard_user_group.mako')
     def hovercard_user_group(self):
         c = self.load_default_context()
         user_group_id = self.request.matchdict['user_group_id']
         c.user_group = UserGroup.get_or_404(user_group_id)
         return self._get_template_context(c)
 
     @LoginRequired()
     @view_config(
         route_name='hovercard_pull_request', request_method='GET', xhr=True,
         renderer='rhodecode:templates/hovercards/hovercard_pull_request.mako')
     def hovercard_pull_request(self):
         c = self.load_default_context()
         c.pull_request = PullRequest.get_or_404(
             self.request.matchdict['pull_request_id'])
         perms = ['repository.read', 'repository.write', 'repository.admin']
         c.can_view_pr = h.HasRepoPermissionAny(*perms)(
             c.pull_request.target_repo.repo_name)
         return self._get_template_context(c)
 
 
 class HoverCardsRepoView(RepoAppView):
     def load_default_context(self):
         c = self._get_local_tmpl_context()
         return c
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='hovercard_repo_commit', request_method='GET', xhr=True,
         renderer='rhodecode:templates/hovercards/hovercard_repo_commit.mako')
     def hovercard_repo_commit(self):
         c = self.load_default_context()
         commit_id = self.request.matchdict['commit_id']
         pre_load = ['author', 'branch', 'date', 'message']
+        try:
         c.commit = self.rhodecode_vcs_repo.get_commit(commit_id=commit_id, pre_load=pre_load)
+        except CommitDoesNotExistError:
+            raise HTTPNotFound()
+
         return self._get_template_context(c)