Move image files to etc/gnus.
[gnus] / lisp / mml2015.el
index d38bf68..126f647 100644 (file)
 (eval-when-compile (require 'cl))
 (require 'mm-decode)
 
-(defvar mml2015-use (or (progn (ignore-errors
-                                (load "mc-toplev"))
-                              (and (fboundp 'mc-encrypt-generic)
-                                   (fboundp 'mc-sign-generic)
-                                   (fboundp 'mc-cleanup-recipient-headers)
-                                   'mailcrypt))
-                       (progn
-                         (ignore-errors
-                           (require 'gpg))
-                         (and (fboundp 'gpg-sign-detached)
-                              'gpg)))
+(defvar mml2015-use (or 
+                    (progn
+                      (ignore-errors
+                        (require 'gpg))
+                      (and (fboundp 'gpg-sign-detached)
+                           'gpg))
+                    (progn (ignore-errors
+                             (load "mc-toplev"))
+                           (and (fboundp 'mc-encrypt-generic)
+                                (fboundp 'mc-sign-generic)
+                                (fboundp 'mc-cleanup-recipient-headers)
+                                'mailcrypt)))
   "The package used for PGP/MIME.")
 
 ;; Something is not RFC2015.
@@ -53,7 +54,7 @@
         mml2015-gpg-encrypt
         mml2015-gpg-verify
         mml2015-gpg-decrypt
-        nil
+        mml2015-gpg-clear-verify
         mml2015-gpg-clear-decrypt))
   "Alist of PGP/MIME functions.")
 
        mm-security-handle 'gnus-info "Failed"))))
 
 (defun mml2015-fix-micalg (alg)
-  (upcase
-   (if (and alg (string-match "^pgp-" alg))
-       (substring alg (match-end 0))
-     alg)))
+  (and alg
+       (upcase (if (string-match "^pgp-" alg)
+                  (substring alg (match-end 0))
+                alg))))
 
 (defun mml2015-mailcrypt-verify (handle ctl)
   (catch 'error
     (let (part)
       (unless (setq part (mm-find-raw-part-by-type 
-                         ctl (or (mail-content-type-get ctl 'protocol)
+                         ctl (or (mm-handle-multipart-ctl-parameter 
+                                  ctl 'protocol)
                                  "application/pgp-signature")
                          t))
        (mm-set-handle-multipart-parameter 
        (insert "-----BEGIN PGP SIGNED MESSAGE-----\n")
        (insert (format "Hash: %s\n\n" 
                        (or (mml2015-fix-micalg
-                            (mail-content-type-get ctl 'micalg))
+                            (mm-handle-multipart-ctl-parameter 
+                             ctl 'micalg))
                            "SHA1")))
        (save-restriction
          (narrow-to-region (point) (point))
          (narrow-to-region (point) (point))
          (mm-insert-part part)
          (goto-char (point-min))
-         (if (re-search-forward "^-----\\([^-]+\\)-----$" nil t)
-             (replace-match "BEGIN PGP SIGNATURE" t t nil 1))
-         (if (re-search-forward "^-----\\([^-]+\\)-----$" nil t)
-             (replace-match "END PGP SIGNATURE" t t nil 1)))
+         (if (re-search-forward "^-----BEGIN PGP [^-]+-----\r?$" nil t)
+             (replace-match "-----BEGIN PGP SIGNATURE-----" t t))
+         (if (re-search-forward "^-----END PGP [^-]+-----\r?$" nil t)
+             (replace-match "-----END PGP SIGNATURE-----" t t)))
        (unless (condition-case err
                    (funcall mml2015-verify-function)
                  (error 
     (insert (format "\n--%s\n" boundary))
     (setq point (point))
     (goto-char (point-max))
-    (unless (re-search-backward "^-----END PGP \\(SIGNATURE\\)-----\r?$" nil t)
+    (unless (re-search-backward "^-----END PGP SIGNATURE-----\r?$" nil t)
       (error "Cannot find signature part." ))
-    (replace-match "MESSAGE" t t nil 1)
+    (replace-match "-----END PGP MESSAGE-----" t t)
     (goto-char (match-beginning 0))
-    (unless (re-search-backward "^-----BEGIN PGP \\(SIGNATURE\\)-----\r?$" 
+    (unless (re-search-backward "^-----BEGIN PGP SIGNATURE-----\r?$" 
                                nil t)
       (error "Cannot find signature part." ))
-    (replace-match "MESSAGE" t t nil 1)
+    (replace-match "-----BEGIN PGP MESSAGE-----" t t)
     (goto-char (match-beginning 0))
     (save-restriction
       (narrow-to-region point (point))
                        (or (y-or-n-p "Sign the message? ")
                            'not))))
             'never)))
-    (mc-encrypt-generic 
-     (or (message-options-get 'message-recipients)
-        (message-options-set 'message-recipients
+    (mm-with-unibyte-current-buffer-mule4
+      (mc-encrypt-generic 
+       (or (message-options-get 'message-recipients)
+          (message-options-set 'message-recipients
                              (mc-cleanup-recipient-headers 
                               (read-string "Recipients: "))))
-     nil nil nil
-     (message-options-get 'message-sender)))
+       nil nil nil
+       (message-options-get 'message-sender))))
+  (goto-char (point-min))
+  (unless (looking-at "-----BEGIN PGP MESSAGE-----")
+    (error "Fail to encrypt the message."))
   (let ((boundary 
         (funcall mml-boundary-function (incf mml-multipart-number))))
-    (goto-char (point-min))
     (insert (format "Content-Type: multipart/encrypted; boundary=\"%s\";\n"
                    boundary))
     (insert "\tprotocol=\"application/pgp-encrypted\"\n\n")
 (eval-and-compile
   (autoload 'gpg-decrypt "gpg")
   (autoload 'gpg-verify "gpg")
+  (autoload 'gpg-verify-cleartext "gpg")
   (autoload 'gpg-sign-detached "gpg")
   (autoload 'gpg-sign-encrypt "gpg")
   (autoload 'gpg-passphrase-read "gpg"))
          (prog1
              (gpg-decrypt cipher (setq plain (current-buffer))  
                           mml2015-result-buffer nil)
+           (mm-set-handle-multipart-parameter 
+            mm-security-handle 'gnus-details 
+            (with-current-buffer mml2015-result-buffer
+              (buffer-string)))
            (set-buffer cipher)
            (erase-buffer)
            (insert-buffer plain)))
       ;; Some wrong with the return value, check plain text buffer.
       (if (> (point-max) (point-min))
          '(t)
-       (mm-set-handle-multipart-parameter 
-        mm-security-handle 'gnus-details 
-        (with-current-buffer mml2015-result-buffer
-          (buffer-string)))
        nil))))
 
 (defun mml2015-gpg-decrypt (handle ctl)
   (catch 'error
     (let (part message signature)
       (unless (setq part (mm-find-raw-part-by-type 
-                         ctl (or (mail-content-type-get ctl 'protocol)
+                         ctl (or (mm-handle-multipart-ctl-parameter 
+                                  ctl 'protocol)
                                  "application/pgp-signature")
                          t))
        (mm-set-handle-multipart-parameter 
            (throw 'error handle))
          (mm-insert-part part)
          (unless (condition-case err
-                     (gpg-verify message signature mml2015-result-buffer)
+                     (prog1
+                         (gpg-verify message signature mml2015-result-buffer)
+                       (mm-set-handle-multipart-parameter 
+                        mm-security-handle 'gnus-details 
+                        (with-current-buffer mml2015-result-buffer
+                          (buffer-string))))
                    (error 
                     (mm-set-handle-multipart-parameter 
                      mm-security-handle 'gnus-details (cadr err)) 
                     (mm-set-handle-multipart-parameter 
                      mm-security-handle 'gnus-details "Quit.") 
                     nil))
-           (mm-set-handle-multipart-parameter 
-            mm-security-handle 'gnus-details 
-            (with-current-buffer mml2015-result-buffer
-              (buffer-string)))
            (mm-set-handle-multipart-parameter 
             mm-security-handle 'gnus-info "Failed")
            (throw 'error handle)))
         mm-security-handle 'gnus-info "OK"))
       handle)))
 
+(defun mml2015-gpg-clear-verify ()
+  (if (condition-case err
+         (prog1
+             (gpg-verify-cleartext (current-buffer) mml2015-result-buffer)
+           (mm-set-handle-multipart-parameter 
+            mm-security-handle 'gnus-details 
+            (with-current-buffer mml2015-result-buffer
+              (buffer-string))))
+       (error 
+        (mm-set-handle-multipart-parameter 
+         mm-security-handle 'gnus-details (cadr 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 "OK")
+    (mm-set-handle-multipart-parameter 
+     mm-security-handle 'gnus-info "Failed")))
+
 (defun mml2015-gpg-sign (cont)
   (let ((boundary 
         (funcall mml-boundary-function (incf mml-multipart-number)))
         (funcall mml-boundary-function (incf mml-multipart-number)))
        (text (current-buffer))
        cipher)
-    (with-temp-buffer
-      (unless (gpg-sign-encrypt 
-              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.")))
-      (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 cipher)
-      (goto-char (point-max))
-      (insert (format "--%s--\n" boundary))
-      (goto-char (point-max)))))
+    (mm-with-unibyte-current-buffer-mule4
+      (with-temp-buffer
+       (unless (gpg-sign-encrypt 
+                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.")))
+       (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 cipher)
+       (goto-char (point-max))
+       (insert (format "--%s--\n" boundary))
+       (goto-char (point-max))))))
 
 ;;; General wrapper