Add a mismatched signatures developer report

This finds odd signatures in our repositories, which includes signature
times not matching with build dates, different signer and packager, etc.

We enhance our user lookup helper class to look up users by PGP key.

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 21 insertions, 2 deletions

diff --git a/devel/views.py b/devel/views.py
index 3a9be757..3ede54ab 100644
--- a/devel/views.py
+++ b/devel/views.py
@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta
+from datetime import date, datetime, timedelta
 import operator
 import pytz
 import random
@@ -28,7 +28,7 @@ from main.utils import utc_now
 from packages.models import PackageRelation
 from packages.utils import get_signoff_groups
 from todolists.utils import get_annotated_todolists
-from .utils import get_annotated_maintainers
+from .utils import get_annotated_maintainers, UserFinder
 
 
 @login_required
@@ -232,6 +232,25 @@ def report(request, report_name, username=None):
         # The two separate calls to exclude is required to do the right thing
         packages = packages.exclude(pkgbase__in=owned).exclude(
                 pkgname__in=required)
+    elif report_name == 'mismatched-signature':
+        title = 'Packages with mismatched signatures'
+        names = [ 'Signature Date', 'Signed By', 'Packager' ]
+        attrs = [ 'sig_date', 'sig_by', 'packager' ]
+        cutoff = timedelta(hours=24)
+        finder = UserFinder()
+        filtered = []
+        packages = packages.filter(pgp_signature__isnull=False)
+        for package in packages:
+            sig_date = package.signature.datetime.replace(tzinfo=pytz.utc)
+            package.sig_date = sig_date.date()
+            key_id = package.signature.key_id
+            signer = finder.find_by_pgp_key(key_id)
+            package.sig_by = signer or key_id
+            if signer is None or signer.id != package.packager_id:
+                filtered.append(package)
+            elif sig_date > package.build_date + cutoff:
+                filtered.append(package)
+        packages = filtered
     else:
         raise Http404