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Code Issues Releases Wiki Activity

Refinements to the new password prompting mechanism

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This commit is contained in:
Jeremy Ruston 2012-11-16 17:23:10 +00:00
parent e55db48bd5
commit 42b4f20113
1 changed files with 46 additions and 44 deletions
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88
core/boot.js
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@ -268,16 +268,20 @@ Adds a new password prompt
*/ */
$tw.utils.PasswordPrompt.prototype.createPrompt = function(options) { $tw.utils.PasswordPrompt.prototype.createPrompt = function(options) {
// Create and add the prompt to the DOM // Create and add the prompt to the DOM
var form = document.createElement("form"), var submitText = options.submitText || "Login",
form = document.createElement("form"),
html = ["<h1>" + options.serviceName + "</h1>"]; html = ["<h1>" + options.serviceName + "</h1>"];
if(!options.noUserName) { if(!options.noUserName) {
html.push("<input type='text' name='username' class='input-small' placeholder='Username'>"); html.push("<input type='text' name='username' class='input-small' placeholder='Username'>");
} }
html.push("<input type='password' name='password' class='input-small' placeholder='Password'>", html.push("<input type='password' name='password' class='input-small' placeholder='Password'>",
"<button type='submit' class='btn'>Login</button>"); "<button type='submit' class='btn'>" + submitText + "</button>");
form.className = "form-inline"; form.className = "form-inline";
form.innerHTML = html.join("\n"); form.innerHTML = html.join("\n");
this.promptWrapper.appendChild(form); this.promptWrapper.appendChild(form);
window.setTimeout(function() {
form.elements[0].focus();
},10);
// Add a submit event handler // Add a submit event handler
var self = this; var self = this;
form.addEventListener("submit",function(event) { form.addEventListener("submit",function(event) {
@ -653,7 +657,7 @@ if($tw.browser) {
/* /*
Get any encrypted tiddlers Get any encrypted tiddlers
*/ */
$tw.boot.getEncryptedTiddlers = function() { $tw.boot.decryptEncryptedTiddlers = function(callback) {
var encryptedArea = document.getElementById("encryptedArea"), var encryptedArea = document.getElementById("encryptedArea"),
encryptedTiddlers = []; encryptedTiddlers = [];
if(encryptedArea) { if(encryptedArea) {
@ -667,9 +671,41 @@ $tw.boot.getEncryptedTiddlers = function() {
encryptedTiddlers.push($tw.utils.htmlDecode(e.innerHTML)); encryptedTiddlers.push($tw.utils.htmlDecode(e.innerHTML));
} }
} }
return encryptedTiddlers; // Prompt for the password
$tw.passwordPrompt.createPrompt({
serviceName: "Enter a password to decrypt this TiddlyWiki",
noUserName: true,
submitText: "Decrypt",
callback: function(data) {
// Attempt to decrypt the tiddlers
$tw.crypto.setPassword(data.password);
for(var t=encryptedTiddlers.length-1; t>=0; t--) {
var decrypted = $tw.crypto.decrypt(encryptedTiddlers[t]);
if(decrypted) {
var json = JSON.parse(decrypted);
for(var title in json) {
if($tw.utils.hop(json,title)) {
$tw.preloadTiddler(json[title]);
}
}
encryptedTiddlers.splice(t,1);
}
}
// Check if we're all done
if(encryptedTiddlers.length === 0) {
// Call the callback
callback();
// Exit and remove the password prompt
return true;
} else { } else {
return null; // We didn't decrypt everything, so continue to prompt for password
return false;
}
}
});
} else {
// Just invoke the callback straight away if there wasn't any encrypted tiddlers
callback();
} }
}; };
@ -791,9 +827,9 @@ if(!$tw.browser) {
/* /*
Get any encrypted tiddlers Get any encrypted tiddlers
*/ */
$tw.boot.getEncryptedTiddlers = function() { $tw.boot.decryptEncryptedTiddlers = function(callback) {
// Storing encrypted tiddlers on the server isn't supported yet // Storing encrypted tiddlers on the server isn't supported yet
return null; callback();
}; };
/* /*
@ -1002,7 +1038,7 @@ $tw.boot.startup = function() {
}; };
/* /*
Starting up Initialise crypto and then startup
*/ */
// Initialise crypto object // Initialise crypto object
$tw.crypto = new $tw.utils.Crypto(); $tw.crypto = new $tw.utils.Crypto();
@ -1011,42 +1047,8 @@ if($tw.browser) {
$tw.passwordPrompt = new $tw.utils.PasswordPrompt(); $tw.passwordPrompt = new $tw.utils.PasswordPrompt();
} }
// Get any encrypted tiddlers // Get any encrypted tiddlers
var encryptedTiddlers = $tw.boot.getEncryptedTiddlers(); $tw.boot.decryptEncryptedTiddlers(function() {
// Check if we need a password to decrypt tiddlers
if($tw.browser && encryptedTiddlers) {
// Prompt for the password
$tw.passwordPrompt.createPrompt({
serviceName: "Enter a password to decrypt this TiddlyWiki",
noUserName: true,
callback: function(data) {
// Attempt to decrypt the tiddlers
$tw.crypto.setPassword(data.password);
for(var t=encryptedTiddlers.length-1; t>=0; t--) {
var decrypted = $tw.crypto.decrypt(encryptedTiddlers[t]);
if(decrypted) {
var json = JSON.parse(decrypted);
for(var title in json) {
if($tw.utils.hop(json,title)) {
$tw.preloadTiddler(json[title]);
}
}
encryptedTiddlers.splice(t,1);
}
}
// Check if we're all done
if(encryptedTiddlers.length === 0) {
// Continue startup
$tw.boot.startup(); $tw.boot.startup();
// Exit and remove the password prompt
return true;
} else {
// We didn't decrypt everything, so continue to prompt for password
return false;
}
}
}); });
} else {
$tw.boot.startup();
}
})(); })();