1 files changed, 52 insertions, 0 deletions
diff --git a/bin/mutt-displayfilter-gpg b/bin/mutt-displayfilter-gpg
new file mode 100755
index 0000000..ccd99d1
--- /dev/null
+++ b/bin/mutt-displayfilter-gpg
@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Copyright 2017 Sebastian Schmittner
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+import re
+import sys
+
+
+def shorten_tofu_blocks(input):
+    pattern = r"(?s)gpg: Verified ([0-9]+) .*(ago|as being bad)\."
+    replace = r"gpg: TOFU \1"
+    return re.sub(pattern, replace, input)
+
+
+def remove_aka_list(input):
+    pattern = r"gpg:[ \t]+aka [^\n]*\n"
+    replace = ""
+    return re.sub(pattern, replace, input)
+
+
+def shorten_untrusted_warning(input):
+    pattern = r"(?s)gpg: WARNING: This key is not certified with sufficiently trusted signatures!.*key fingerprint: [^\n]+"
+    replace = "gpg: WARNING: untrusted signature"
+    return re.sub(pattern, replace, input)
+
+
+def main():
+    input = sys.stdin.read()
+    input = shorten_tofu_blocks(input)
+    input = remove_aka_list(input)
+    input = shorten_untrusted_warning(input)
+    sys.stdout.write(input)
+
+
+# goto main
+if __name__ == "__main__":
+    main()