Open Source Monorail

appengine/monorail/tracker/test/issueattachment_test.py

+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is govered by a BSD-style
+# license that can be found in the LICENSE file or at
+# https://developers.google.com/open-source/licenses/bsd
+
+"""Tests for monorail.tracker.issueattachment."""
+
+import unittest
+
+from google.appengine.api import images
+from google.appengine.ext import testbed
+
+import mox
+import webapp2
+
+from framework import permissions
+from framework import servlet
+from proto import tracker_pb2
+from services import service_manager
+from testing import fake
+from testing import testing_helpers
+from tracker import issueattachment
+
+from third_party import cloudstorage
+
+def MockResize(_self, image_data, width=None, height=None):
+  """Mock of images.resize() used to test AttachmentPage."""
+  _image_data = image_data
+  _width = width
+  _height = height
+  return 'this is a thumbnail'
+
+class IssueattachmentTest(unittest.TestCase):
+
+  def setUp(self):
+    self.mox = mox.Mox()
+    self.testbed = testbed.Testbed()
+    self.testbed.activate()
+    self.testbed.init_memcache_stub()
+    self.testbed.init_app_identity_stub()
+    self.testbed.init_urlfetch_stub()
+    self.attachment_data = ""
+
+    self._old_gcs_open = cloudstorage.open
+    cloudstorage.open = fake.gcs_open
+
+    services = service_manager.Services(
+        project=fake.ProjectService(),
+        config=fake.ConfigService(),
+        issue=fake.IssueService(),
+        user=fake.UserService())
+    self.project = services.project.TestAddProject('proj')
+    self.servlet = issueattachment.AttachmentPage(
+        'req', webapp2.Response(), services=services)
+    self.issue = fake.MakeTestIssue(
+        self.project.project_id, 1, 'summary', 'New', 111L)
+    services.issue.TestAddIssue(self.issue)
+    self.comment = tracker_pb2.IssueComment(
+        id=123, issue_id=self.issue.issue_id,
+        project_id=self.project.project_id, user_id=111L,
+        content='this is a comment')
+    services.issue.TestAddComment(self.comment, self.issue.local_id)
+    self.attachment = tracker_pb2.Attachment(
+        attachment_id=54321, filename='hello.txt', filesize=23432,
+        mimetype='text/plain', gcs_object_id='/pid/attachments/hello.txt')
+    services.issue.TestAddAttachment(
+        self.attachment, self.comment.id, self.issue.issue_id)
+
+    images.resize = MockResize
+
+  def tearDown(self):
+    cloudstorage.open = self._old_gcs_open
+
+  def testGatherPageData_NotFound(self):
+    aid = 12345
+    # But, no such attachment is in the database.
+    _request, mr = testing_helpers.GetRequestObjects(
+        project=self.project,
+        path='/p/proj/issues/attachment?aid=%s' % aid,
+        perms=permissions.EMPTY_PERMISSIONSET)
+    try:
+      self.servlet.GatherPageData(mr)
+      self.fail()
+    except webapp2.HTTPException as e:
+      self.assertEquals(404, e.code)
+
+  # TODO(jrobbins): test cases for missing comment and missing issue.
+
+  def testGatherPageData_PermissionDenied(self):
+    aid = self.attachment.attachment_id
+    _request, mr = testing_helpers.GetRequestObjects(
+        project=self.project,
+        path='/p/proj/issues/attachment?aid=%s' % aid,
+        perms=permissions.EMPTY_PERMISSIONSET)  # not even VIEW
+    self.assertRaises(
+        permissions.PermissionException,
+        self.servlet.GatherPageData, mr)
+
+    _request, mr = testing_helpers.GetRequestObjects(
+        project=self.project,
+        path='/p/proj/issues/attachment?aid=%s' % aid,
+        perms=permissions.READ_ONLY_PERMISSIONSET)  # includes VIEW
+
+    # issue is now deleted
+    self.issue.deleted = True
+    self.assertRaises(
+        permissions.PermissionException,
+        self.servlet.GatherPageData, mr)
+    self.issue.deleted = False
+
+    # issue is now restricted
+    self.issue.labels.extend(['Restrict-View-PermYouLack'])
+    self.assertRaises(
+        permissions.PermissionException,
+        self.servlet.GatherPageData, mr)
+
+  def testGatherPageData_Download(self):
+    aid = self.attachment.attachment_id
+    self.mox.StubOutWithMock(self.servlet, 'redirect')
+    _request, mr = testing_helpers.GetRequestObjects(
+        project=self.project,
+        path='/p/proj/issues/attachment?aid=%s' % aid,
+        perms=permissions.READ_ONLY_PERMISSIONSET)  # includes VIEW
+    self.servlet.redirect(mox.StrContains(self.attachment.filename), abort=True)
+    self.mox.ReplayAll()
+    self.servlet.GatherPageData(mr)
+    self.mox.VerifyAll()
+
+  def testGatherPageData_DownloadBadFilename(self):
+    aid = self.attachment.attachment_id
+    self.attachment.filename = '<script>alert("xsrf")</script>.txt';
+    self.mox.StubOutWithMock(self.servlet, 'redirect')
+    _request, mr = testing_helpers.GetRequestObjects(
+        project=self.project,
+        path='/p/proj/issues/attachment?aid=%s' % aid,
+        perms=permissions.READ_ONLY_PERMISSIONSET)  # includes VIEW
+    self.servlet.redirect(mox.And(
+        mox.Not(mox.StrContains(self.attachment.filename)),
+        mox.StrContains('attachment-%d.dat' % aid)), abort=True)
+    self.mox.ReplayAll()
+    self.servlet.GatherPageData(mr)
+    self.mox.VerifyAll()
+
+
+if __name__ == '__main__':
+  unittest.main()