1 files changed, 87 insertions, 0 deletions
diff --git a/Mailman/Bouncers/Netscape.py b/Mailman/Bouncers/Netscape.py
new file mode 100644
index 000000000..ab351e274
--- /dev/null
+++ b/Mailman/Bouncers/Netscape.py
@@ -0,0 +1,87 @@
+# Copyright (C) 1998,1999,2000 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.
+
+"""Netscape Messaging Server bounce formats.
+
+I've seen at least one NMS server version 3.6 (envy.gmp.usyd.edu.au) bounce
+messages of this format.  Bounces come in DSN mime format, but don't include
+any -Recipient: headers.  Gotta just parse the text :(
+"""
+
+import re
+import multifile
+import mimetools
+
+from Mailman.pythonlib.StringIO import StringIO
+
+pcre = re.compile(r'The following recipients did not receive your message:',
+                  re.IGNORECASE)
+acre = re.compile(r'<(?P<addr>[^>]*)>')
+
+
+
+
+def process(msg):
+    if msg.gettype() <> 'multipart/report' or \
+       msg.getparam('report-type') <> 'delivery-status':
+        # then
+        return None
+    boundary = msg.getparam('boundary')
+    msg.fp.seek(0)
+    mfile = multifile.MultiFile(msg.fp)
+    mfile.push(boundary)
+    plainmsg = None
+    # find the text/plain subpart which must occur before a
+    # message/delivery-status part
+    while 1:
+        try:
+            more = mfile.next()
+        except multifile.Error, e:
+            # the message *looked* like a DSN, but it really wasn't :(
+            return None
+        if not more:
+            # we didn't find it
+            return None
+        s = StringIO(mfile.read())
+        msg = mimetools.Message(s)
+        if msg.gettype() == 'message/delivery-status':
+            break
+        elif msg.gettype() <> 'text/plain':
+            # we're looking at something else entirely
+            return None
+        plainmsg = msg
+    # Did we find a text/plain part?
+    if not plainmsg:
+        return None
+    # Total guesswork, based on captured examples...
+    addrs = []
+    while 1:
+        line = plainmsg.fp.readline()
+        if not line:
+            break
+        mo = pcre.search(line)
+        if mo:
+            # There seems to be an intervening blank line
+            line = plainmsg.fp.readline()
+            if not line:
+                break
+            line = plainmsg.fp.readline()
+            if not line:
+                break
+            mo = acre.search(line)
+            if mo:
+                addrs.append(mo.group('addr'))
+    return addrs or None