Issue #7082: When falling back to the MIME 'name' parameter, the

correct place to look for it is the Content-Type header.

Patch by Darren Worrall.

Lib/email/message.py

@@ -674,7 +674,7 @@ class Message:
         missing = object()
         filename = self.get_param('filename', missing, 'content-disposition')
         if filename is missing:
-            filename = self.get_param('name', missing, 'content-disposition')
+            filename = self.get_param('name', missing, 'content-type')
         if filename is missing:
             return failobj
         return utils.collapse_rfc2231_value(filename).strip()

Lib/email/test/data/msg_44.txt

@@ -16,16 +16,14 @@ X-Oblique-Strategy: Make a door into a window
 
 
 --h90VIIIKmx
-Content-Type: text/plain
-Content-Disposition: inline; name="msg.txt"
+Content-Type: text/plain; name="msg.txt"
 Content-Transfer-Encoding: 7bit
 
 a simple kind of mirror
 to reflect upon our own
 
 --h90VIIIKmx
-Content-Type: text/plain
-Content-Disposition: inline; name="msg.txt"
+Content-Type: text/plain; name="msg.txt"
 Content-Transfer-Encoding: 7bit
 
 a simple kind of mirror

Misc/ACKS

@@ -807,6 +807,7 @@ David Wolever
 Klaus-Juergen Wolf
 Dan Wolfe
 Richard Wolff
+Darren Worrall
 Gordon Worley
 Thomas Wouters
 Heiko Wundram

Misc/NEWS

@@ -398,6 +398,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #7082: When falling back to the MIME 'name' parameter, the
+  correct place to look for it is the Content-Type header.
+
 - Issue #7048: Force Decimal.logb to round its result when that result
   is too large to fit in the current precision.