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Fix loss of encrypted data in plstore.el

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* lisp/plstore.el (plstore--insert-buffer): Fix loss of encrypted
data when a plstore gets opened and saved without being decrypted
between these steps.  (Bug#63627)
This commit is contained in:
Jens Schmidt 2023-05-30 23:00:56 +02:00 committed by Eli Zaretskii
parent d9a1175a61
commit 89fa204b70
1 changed files with 15 additions and 9 deletions
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24
lisp/plstore.el
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@ -570,18 +570,23 @@ SECRET-KEYS is a plist containing secret data."
(defvar pp-escape-newlines)
(defun plstore--insert-buffer (plstore)
"Insert the file representation of PLSTORE at point.
Assumes that PLSTORE has been decrypted."
"Insert the file representation of PLSTORE at point."
(insert ";;; public entries -*- mode: plstore -*- \n"
(pp-to-string (plstore--get-alist plstore)))
(if (plstore--get-secret-alist plstore)
(let ((pp-escape-newlines nil)
(cipher nil))
(cond
;; Reuse the encrypted data as cipher text if this store has not
;; been decrypted yet.
((plstore--get-encrypted-data plstore)
(setq cipher (plstore--get-encrypted-data plstore)))
;; Encrypt the secret alist to generate the cipher text.
((plstore--get-secret-alist plstore)
(let ((context (epg-make-context 'OpenPGP))
(pp-escape-newlines nil)
(recipients
(cond
((listp plstore-encrypt-to) plstore-encrypt-to)
((stringp plstore-encrypt-to) (list plstore-encrypt-to))))
cipher)
((stringp plstore-encrypt-to) (list plstore-encrypt-to)))))
(setf (epg-context-armor context) t)
(epg-context-set-passphrase-callback
context
@ -601,9 +606,10 @@ Assumes that PLSTORE has been decrypted."
If no one is selected, symmetric encryption will be performed. "
recipients)
(if plstore-encrypt-to
(epg-list-keys context recipients)))))
(goto-char (point-max))
(insert ";;; secret entries\n" (pp-to-string cipher)))))
(epg-list-keys context recipients))))))))
(when cipher
(goto-char (point-max))
(insert ";;; secret entries\n" (pp-to-string cipher)))))
(defun plstore-save (plstore)
"Save PLSTORE to its associated file.