+ (mm-with-unibyte-current-buffer
+ (with-temp-buffer
+ ;; set up a function to call the correct gpg encrypt routine
+ ;; with the right arguments. (FIXME: this should be done
+ ;; differently.)
+ (flet ((gpg-encrypt-func
+ (sign plaintext ciphertext result recipients &optional
+ passphrase sign-with-key armor textmode)
+ (if sign
+ (gpg-sign-encrypt
+ plaintext ciphertext result recipients passphrase
+ sign-with-key armor textmode)
+ (gpg-encrypt
+ plaintext ciphertext result recipients passphrase
+ armor textmode))))
+ (unless (gpg-encrypt-func
+ sign ; passed in when using signencrypt
+ text (setq cipher (current-buffer))
+ mml2015-result-buffer
+ (split-string
+ (or
+ (message-options-get 'message-recipients)
+ (message-options-set 'message-recipients
+ (read-string "Recipients: ")))
+ "[ \f\t\n\r\v,]+")
+ nil
+ (message-options-get 'message-sender)
+ t t) ; armor & textmode
+ (unless (> (point-max) (point-min))
+ (pop-to-buffer mml2015-result-buffer)
+ (error "Encrypt error"))))
+ (goto-char (point-min))
+ (while (re-search-forward "\r+$" nil t)
+ (replace-match "" t t))
+ (set-buffer text)
+ (delete-region (point-min) (point-max))
+ (insert (format "Content-Type: multipart/encrypted; boundary=\"%s\";\n"
+ boundary))
+ (insert "\tprotocol=\"application/pgp-encrypted\"\n\n")
+ (insert (format "--%s\n" boundary))
+ (insert "Content-Type: application/pgp-encrypted\n\n")
+ (insert "Version: 1\n\n")
+ (insert (format "--%s\n" boundary))
+ (insert "Content-Type: application/octet-stream\n\n")
+ (insert-buffer-substring cipher)
+ (goto-char (point-max))
+ (insert (format "--%s--\n" boundary))
+ (goto-char (point-max))))))
+
+;;; pgg wrapper
+
+(eval-when-compile
+ (defvar pgg-errors-buffer)
+ (defvar pgg-output-buffer))
+
+(eval-and-compile
+ (autoload 'pgg-decrypt-region "pgg")
+ (autoload 'pgg-verify-region "pgg")
+ (autoload 'pgg-sign-region "pgg")
+ (autoload 'pgg-encrypt-region "pgg"))
+
+(defun mml2015-pgg-decrypt (handle ctl)
+ (catch 'error
+ (let ((pgg-errors-buffer mml2015-result-buffer)
+ child handles result decrypt-status)
+ (unless (setq child (mm-find-part-by-type
+ (cdr handle)
+ "application/octet-stream" nil t))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "Corrupted")
+ (throw 'error handle))
+ (with-temp-buffer
+ (mm-insert-part child)
+ (if (condition-case err
+ (prog1
+ (pgg-decrypt-region (point-min) (point-max))
+ (setq decrypt-status
+ (with-current-buffer mml2015-result-buffer
+ (buffer-string)))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details
+ decrypt-status))
+ (error
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details (mml2015-format-error err))
+ nil)
+ (quit
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details "Quit.")
+ nil))
+ (with-current-buffer pgg-output-buffer
+ (goto-char (point-min))
+ (while (search-forward "\r\n" nil t)
+ (replace-match "\n" t t))
+ (setq handles (mm-dissect-buffer t))
+ (mm-destroy-parts handle)
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "OK")
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details
+ (concat decrypt-status
+ (when (stringp (car handles))
+ "\n" (mm-handle-multipart-ctl-parameter
+ handles 'gnus-details))))
+ (if (listp (car handles))
+ handles
+ (list handles)))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "Failed")
+ (throw 'error handle))))))
+
+(defun mml2015-pgg-clear-decrypt ()
+ (let ((pgg-errors-buffer mml2015-result-buffer))
+ (if (prog1
+ (pgg-decrypt-region (point-min) (point-max))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details
+ (with-current-buffer mml2015-result-buffer
+ (buffer-string))))
+ (progn
+ (erase-buffer)
+ (insert-buffer-substring pgg-output-buffer)
+ (goto-char (point-min))
+ (while (search-forward "\r\n" nil t)
+ (replace-match "\n" t t))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "OK"))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "Failed"))))
+
+(defun mml2015-pgg-verify (handle ctl)
+ (let ((pgg-errors-buffer mml2015-result-buffer)
+ signature-file part signature)
+ (if (or (null (setq part (mm-find-raw-part-by-type
+ ctl (or (mm-handle-multipart-ctl-parameter
+ ctl 'protocol)
+ "application/pgp-signature")
+ t)))
+ (null (setq signature (mm-find-part-by-type
+ (cdr handle) "application/pgp-signature" nil t))))
+ (progn
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "Corrupted")
+ handle)
+ (with-temp-buffer
+ (insert part)
+ ;; Convert <LF> to <CR><LF> in verify mode. Sign and
+ ;; clearsign use --textmode. The conversion is not necessary.
+ ;; In clearverify, the conversion is not necessary either.
+ (goto-char (point-min))
+ (end-of-line)
+ (while (not (eobp))
+ (unless (eq (char-before) ?\r)
+ (insert "\r"))
+ (forward-line)
+ (end-of-line))
+ (with-temp-file (setq signature-file (mm-make-temp-file "pgg"))
+ (mm-insert-part signature))
+ (if (condition-case err
+ (prog1
+ (pgg-verify-region (point-min) (point-max)
+ signature-file t)
+ (goto-char (point-min))
+ (while (search-forward "\r\n" nil t)
+ (replace-match "\n" t t))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details
+ (concat (with-current-buffer pgg-output-buffer
+ (buffer-string))
+ (with-current-buffer pgg-errors-buffer
+ (buffer-string)))))
+ (error
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details (mml2015-format-error err))
+ nil)
+ (quit
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details "Quit.")
+ nil))
+ (progn
+ (delete-file signature-file)
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info
+ (with-current-buffer pgg-errors-buffer
+ (mml2015-gpg-extract-signature-details))))
+ (delete-file signature-file)
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "Failed")))))
+ handle)
+
+(defun mml2015-pgg-clear-verify ()
+ (let ((pgg-errors-buffer mml2015-result-buffer)
+ (text (buffer-string))
+ (coding-system buffer-file-coding-system))
+ (if (condition-case err
+ (prog1
+ (mm-with-unibyte-buffer
+ (insert (encode-coding-string text coding-system))
+ (pgg-verify-region (point-min) (point-max) nil t))
+ (goto-char (point-min))
+ (while (search-forward "\r\n" nil t)
+ (replace-match "\n" t t))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details
+ (concat (with-current-buffer pgg-output-buffer
+ (buffer-string))
+ (with-current-buffer pgg-errors-buffer
+ (buffer-string)))))
+ (error
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details (mml2015-format-error err))
+ nil)
+ (quit
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details "Quit.")
+ nil))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info
+ (with-current-buffer pgg-errors-buffer
+ (mml2015-gpg-extract-signature-details)))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-info "Failed"))))
+
+(defun mml2015-pgg-sign (cont)
+ (let ((pgg-errors-buffer mml2015-result-buffer)
+ (boundary (mml-compute-boundary cont))
+ (pgg-default-user-id (or (message-options-get 'mml-sender)
+ pgg-default-user-id)))
+ (unless (pgg-sign-region (point-min) (point-max))
+ (pop-to-buffer mml2015-result-buffer)
+ (error "Sign error"))
+ (goto-char (point-min))
+ (insert (format "Content-Type: multipart/signed; boundary=\"%s\";\n"
+ boundary))
+ ;;; FIXME: what is the micalg?
+ (insert "\tmicalg=pgp-sha1; protocol=\"application/pgp-signature\"\n")
+ (insert (format "\n--%s\n" boundary))
+ (goto-char (point-max))
+ (insert (format "\n--%s\n" boundary))
+ (insert "Content-Type: application/pgp-signature\n\n")
+ (insert-buffer-substring pgg-output-buffer)
+ (goto-char (point-max))
+ (insert (format "--%s--\n" boundary))
+ (goto-char (point-max))))
+
+(defun mml2015-pgg-encrypt (cont &optional sign)
+ (let ((pgg-errors-buffer mml2015-result-buffer)
+ (boundary (mml-compute-boundary cont)))
+ (unless (pgg-encrypt-region (point-min) (point-max)
+ (split-string
+ (or
+ (message-options-get 'message-recipients)
+ (message-options-set 'message-recipients
+ (read-string "Recipients: ")))
+ "[ \f\t\n\r\v,]+")
+ sign)
+ (pop-to-buffer mml2015-result-buffer)
+ (error "Encrypt error"))
+ (delete-region (point-min) (point-max))
+ (goto-char (point-min))
+ (insert (format "Content-Type: multipart/encrypted; boundary=\"%s\";\n"
+ boundary))
+ (insert "\tprotocol=\"application/pgp-encrypted\"\n\n")
+ (insert (format "--%s\n" boundary))
+ (insert "Content-Type: application/pgp-encrypted\n\n")
+ (insert "Version: 1\n\n")
+ (insert (format "--%s\n" boundary))
+ (insert "Content-Type: application/octet-stream\n\n")
+ (insert-buffer-substring pgg-output-buffer)
+ (goto-char (point-max))
+ (insert (format "--%s--\n" boundary))
+ (goto-char (point-max))))