mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-30 13:29:56 +00:00
2fc6451bf7
We still try the currently stored password. If that doesn’t work then we prompt for a password, but we no longer store the password in the store.
82 lines
2.3 KiB
JavaScript
82 lines
2.3 KiB
JavaScript
/*\
|
|
title: $:/core/modules/utils/crypto.js
|
|
type: application/javascript
|
|
module-type: utils
|
|
|
|
Utility functions related to crypto.
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
/*
|
|
Look for an encrypted store area in the text of a TiddlyWiki file
|
|
*/
|
|
exports.extractEncryptedStoreArea = function(text) {
|
|
var encryptedStoreAreaStartMarker = "<pre id=\"encryptedStoreArea\" type=\"text/plain\" style=\"display:none;\">",
|
|
encryptedStoreAreaStart = text.indexOf(encryptedStoreAreaStartMarker);
|
|
if(encryptedStoreAreaStart !== -1) {
|
|
var encryptedStoreAreaEnd = text.indexOf("</pre>",encryptedStoreAreaStart);
|
|
if(encryptedStoreAreaEnd !== -1) {
|
|
return $tw.utils.htmlDecode(text.substring(encryptedStoreAreaStart + encryptedStoreAreaStartMarker.length,encryptedStoreAreaEnd-1));
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
/*
|
|
Attempt to extract the tiddlers from an encrypted store area using the current password. If the password is not provided then the password in the password store will be used
|
|
*/
|
|
exports.decryptStoreArea = function(encryptedStoreArea,password) {
|
|
var decryptedText = $tw.crypto.decrypt(encryptedStoreArea,password);
|
|
if(decryptedText) {
|
|
var json = JSON.parse(decryptedText),
|
|
tiddlers = [];
|
|
for(var title in json) {
|
|
if(title !== "$:/isEncrypted") {
|
|
tiddlers.push(json[title]);
|
|
}
|
|
}
|
|
return tiddlers;
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
exports.decryptStoreAreaInteractive = function(encryptedStoreArea,callback) {
|
|
// Try to decrypt with the current password
|
|
var tiddlers = $tw.utils.decryptStoreArea(encryptedStoreArea);
|
|
if(tiddlers) {
|
|
callback(tiddlers);
|
|
} else {
|
|
// Prompt for a new password and keep trying
|
|
$tw.passwordPrompt.createPrompt({
|
|
serviceName: "Enter a password to decrypt the imported TiddlyWiki",
|
|
noUserName: true,
|
|
canCancel: true,
|
|
submitText: "Decrypt",
|
|
callback: function(data) {
|
|
// Exit if the user cancelled
|
|
if(!data) {
|
|
return false;
|
|
}
|
|
// Attempt to decrypt the tiddlers
|
|
var tiddlers = $tw.utils.decryptStoreArea(encryptedStoreArea,data.password);
|
|
if(tiddlers) {
|
|
callback(tiddlers);
|
|
// Exit and remove the password prompt
|
|
return true;
|
|
} else {
|
|
// We didn't decrypt everything, so continue to prompt for password
|
|
return false;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
})();
|