1 files changed, 53 insertions, 0 deletions
diff --git a/Mailman/Bouncers/Yahoo.py b/Mailman/Bouncers/Yahoo.py
new file mode 100644
index 00000000..fd952915
--- /dev/null
+++ b/Mailman/Bouncers/Yahoo.py
@@ -0,0 +1,53 @@
+# Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc.
+#
+# 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 2
+# 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, write to the Free Software 
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""Yahoo! has its own weird format for bounces."""
+
+import re
+import email
+from email.Utils import parseaddr
+
+tcre = re.compile(r'message\s+from\s+yahoo\.\S+', re.IGNORECASE)
+acre = re.compile(r'<(?P<addr>[^>]*)>:')
+ecre = re.compile(r'--- Original message follows')
+
+
+
+def process(msg):
+    # Yahoo! bounces seem to have a known subject value and something called
+    # an x-uidl: header, the value of which seems unimportant.
+    sender = parseaddr(msg.get('from', '').lower())[1] or ''
+    if not sender.startswith('mailer-daemon@yahoo'):
+        return None
+    addrs = []
+    # simple state machine
+    #     0 == nothing seen
+    #     1 == tag line seen
+    state = 0
+    for line in email.Iterators.body_line_iterator(msg):
+        line = line.strip()
+        if state == 0 and tcre.match(line):
+            state = 1
+        elif state == 1:
+            mo = acre.match(line)
+            if mo:
+                addrs.append(mo.group('addr'))
+                continue
+            mo = ecre.match(line)
+            if mo:
+                # we're at the end of the error response
+                break
+    return addrs