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Fix viewing of encrypted S/MIME messages

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* lisp/gnus/mm-decode.el (mm-possibly-verify-or-decrypt): Don't
add a content-type header if there already is one (bug#41659).
This commit is contained in:
Lars Ingebrigtsen 2020-07-23 17:12:33 +02:00
parent 8bc8565721
commit 96a3b473fa
1 changed files with 8 additions and 2 deletions
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10
lisp/gnus/mm-decode.el
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@ -1680,8 +1680,14 @@ If RECURSIVE, search recursively."
(t (y-or-n-p
(format "Decrypt (S/MIME) part? "))))
(mm-view-pkcs7 parts from))
(goto-char (point-min))
(insert "Content-type: text/plain\n\n")
;; Normally there will be a Content-type header here, but
;; some mailers don't add that to the encrypted part, which
;; makes the subsequent re-dissection fail here.
(save-restriction
(mail-narrow-to-head)
(unless (mail-fetch-field "content-type")
(goto-char (point-max))
(insert "Content-type: text/plain\n\n")))
(setq parts (mm-dissect-buffer t)))))
((equal subtype "signed")
(unless (and (setq protocol