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-rw-r--r--main/templatetags/pgp.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/main/templatetags/pgp.py b/main/templatetags/pgp.py
index 1ffc5241..50b1aa17 100644
--- a/main/templatetags/pgp.py
+++ b/main/templatetags/pgp.py
@@ -50,4 +50,12 @@ def pgp_fingerprint(key_id, autoescape=True):
return mark_safe(format_key(esc(key_id)))
pgp_fingerprint.needs_autoescape = True
+
+@register.assignment_tag
+def signature_exists(signatures, signer, signee):
+ if not signer or not signee:
+ return False
+ lookup = (signer[-16:], signee[-16:])
+ return lookup in signatures
+
# vim: set ts=4 sw=4 et: