Edgewall Software

Opened 6 years ago

Closed 6 years ago

#12062 closed defect (fixed)

Missing attributes in FakePerm class

Reported by: anonymous Owned by: Jun Omae
Priority: normal Milestone: 1.0.7
Component: general Version: 1.1.3
Severity: normal Keywords: permission
Cc: Branch:
Release Notes:

Add missing attributes and methods of FakePerm to PermissionCache.

API Changes:
Internal Changes:

Description (last modified by Ryan J Ollos)

As I understand it, FakeSession and FakePerm objects are returned when Trac is not able to get the real information from the database.

However, the FakePerm class lacks the has_permission and assert_permission functions, which has lead to traces like this in our logs:

2015-05-06 16:11:16,671 Trac[main] ERROR: can't retrieve session: TimeoutError: Unable to get database connection within 0 seconds.
2015-05-06 16:11:16,673 Trac[chrome] ERROR: Traceback (most recent call last):
  File "/local/engine/trac/trac/web/chrome.py", line 773, in prepare_request
    contributor.get_navigation_items(req) or []:
  File "/local/engine/trac-plugins/xmlrpc-plugin/tracrpc/web_ui.py", line 205, in get_navigation_items
    if req.perm.has_permission('XML_RPC'):
AttributeError: 'FakePerm' object has no attribute 'has_permission'

This also happen in bitten/master.py and bitten/admin.py

The server is Lighttpd running Trac v1.1.3

For the moment, I simply did this :

  • trac/web/main.py

    diff --git a/trac/web/main.py b/trac/web/main.py
    index f52444f..cc718df 100644
    a b class FakeSession(dict):  
    7171class FakePerm(dict):
    7272    def require(self, *args):
    7373        return False
     74    def has_permission(self, *args):
     75        return False
    7476    def __call__(self, *args):
    7577        return self
     78    assert_permission = require
    7881class RequestWithSession(Request):

note: the #!diff and #!patch do not seem to work in the above block

Attachments (0)

Change History (6)

comment:1 by ebouaziz@…, 6 years ago

forgot to put my email as reporter, please cc me

comment:2 by Ryan J Ollos, 6 years ago

Description: modified (diff)

in reply to:  description comment:3 by Ryan J Ollos, 6 years ago

Replying to anonymous:

note: the #!diff and #!patch do not seem to work in the above block

You were probably just experiencing the problem of the patch/diff not being rendered during autopreview. The issue has been fixed, but this Trac site hasn't been upgraded to the version that includes the fix.

Last edited 6 years ago by Ryan J Ollos (previous) (diff)

comment:4 by Jun Omae, 6 years ago

Milestone: 1.0.6
Owner: set to Jun Omae
Status: newassigned

Okay. It seems that also username property is needed by reference to MockPerm in tags/trac-1.0.5/trac/test.py#L101.

  • trac/web/main.py

    diff --git a/trac/web/main.py b/trac/web/main.py
    index 7694bea..18a6e9a 100644
    a b class FakeSession(dict):  
    6565        pass
    68 class FakePerm(dict):
    69     def require(self, *args):
    70         return False
    71     def __call__(self, *args):
     68class FakePerm(object):
     70    username = 'anonymous'
     72    def __call__(self, realm_or_resource, id=False, version=False):
    7273        return self
     75    def has_permission(self, action, realm_or_resource=None, id=False,
     76                       version=False):
     77        return False
     79    __contains__ = has_permission
     81    def require(self, action, realm_or_resource=None, id=False, version=False,
     82                message=None):
     83        if message is None:
     84            raise PermissionError(action)
     85        else:
     86            raise PermissionError(msg=message)
     88    assert_permission = require
    7591class RequestWithSession(Request):
    7692    """A request that saves its associated session when sending the reply."""

comment:5 by Jun Omae, 6 years ago


comment:6 by Jun Omae, 6 years ago

Keywords: permission added
Release Notes: modified (diff)
Resolution: fixed
Status: assignedclosed

Fixed in [14145] and merged to trunk in [14146].

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