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, 17 insertions, 0 deletions

diff --git a/devel/utils.py b/devel/utils.py
index ec035d13..85b4e42f 100644
--- a/devel/utils.py
+++ b/devel/utils.py
@@ -49,6 +49,7 @@ class UserFinder(object):
         self.cache = {}
         self.username_cache = {}
         self.email_cache = {}
+        self.pgp_cache = {}
 
     @staticmethod
     def user_email(name, email):
@@ -146,9 +147,25 @@ class UserFinder(object):
         self.email_cache[email] = user
         return user
 
+    def find_by_pgp_key(self, pgp_key):
+        if not pgp_key:
+            return None
+        if pgp_key in self.pgp_cache:
+            return self.pgp_cache[pgp_key]
+
+        try:
+            user = User.objects.get(
+                    userprofile__pgp_key__endswith=pgp_key)
+        except User.DoesNotExist:
+            user = None
+
+        self.pgp_cache[pgp_key] = user
+        return user
+
     def clear_cache(self):
         self.cache = {}
         self.username_cache = {}
         self.email_cache = {}
+        self.pgp_cache = {}
 
 # vim: set ts=4 sw=4 et: