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Introduce syncer mechanism

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This commit is contained in:
Jeremy Ruston
2012-11-17 20:18:36 +00:00
parent 5c9b0d62c4
commit e194aed449
7 changed files with 101 additions and 132 deletions
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84
plugins/tiddlywiki/tiddlyweb/tiddlyweb.js
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@@ -1,7 +1,7 @@
/*\
title: $:/plugins/tiddlywiki/tiddlyweb/tiddlyweb.js
type: application/javascript
module-type: browser-startup
module-type: syncer
Main TiddlyWeb integration module
@@ -12,45 +12,55 @@ Main TiddlyWeb integration module
/*global $tw: false */
"use strict";
$tw.plugins.tiddlyweb = {
titleIsLoggedIn: "$:/plugins/tiddlyweb/IsLoggedIn",
titleUserName: "$:/plugins/tiddlyweb/UserName"
};
/*
Startup function that sets up TiddlyWeb and logs the user in. After login, any tiddlyweb-startup modules are executed.
Creates a TiddlyWebSyncer object
*/
exports.startup = function() {
if(!$tw.browser) {
return;
}
var TiddlyWebSyncer = function(options) {
// Mark us as not logged in
$tw.wiki.addTiddler({
title: $tw.plugins.tiddlyweb.titleIsLoggedIn,
title: TiddlyWebSyncer.titleIsLoggedIn,
text: "no"
});
// Get the login status
$tw.plugins.tiddlyweb.getStatus();
this.getStatus();
};
TiddlyWebSyncer.titleIsLoggedIn = "$:/plugins/tiddlyweb/IsLoggedIn";
TiddlyWebSyncer.titleUserName = "$:/plugins/tiddlyweb/UserName";
/*
Error handling
*/
$tw.plugins.tiddlyweb.showError = function(error) {
TiddlyWebSyncer.prototype.showError = function(error) {
alert("TiddlyWeb error: " + error);
console.log("TiddlyWeb error: " + error);
};
/*
Handle syncer messages
*/
TiddlyWebSyncer.prototype.handleEvent = function(event) {
switch(event.type) {
case "tw-login":
this.promptLogin();
break;
case "tw-logout":
this.logout();
break;
}
};
/*
Invoke any tiddlyweb-startup modules
*/
$tw.plugins.tiddlyweb.invokeTiddlyWebStartupModules = function(loggedIn) {
TiddlyWebSyncer.prototype.invokeTiddlyWebStartupModules = function(loggedIn) {
$tw.modules.forEachModuleOfType("tiddlyweb-startup",function(title,module) {
module.startup(loggedIn);
});
};
$tw.plugins.tiddlyweb.getCsrfToken = function() {
TiddlyWebSyncer.prototype.getCsrfToken = function() {
var regex = /^(?:.*; )?csrf_token=([^(;|$)]*)(?:;|$)/,
match = regex.exec(document.cookie),
csrf = null;
@@ -58,11 +68,12 @@ $tw.plugins.tiddlyweb.getCsrfToken = function() {
csrf = match[1];
}
return csrf;
};
$tw.plugins.tiddlyweb.getStatus = function(callback) {
TiddlyWebSyncer.prototype.getStatus = function(callback) {
// Get status
$tw.plugins.tiddlyweb.httpRequest({
this.httpRequest({
url: "http://tw5tiddlyweb.tiddlyspace.com/status",
callback: function(err,data) {
// Decode the status JSON
@@ -76,16 +87,16 @@ $tw.plugins.tiddlyweb.getStatus = function(callback) {
var isLoggedIn = json.username !== "GUEST";
// Set the various status tiddlers
$tw.wiki.addTiddler({
title: $tw.plugins.tiddlyweb.titleIsLoggedIn,
title: TiddlyWebSyncer.titleIsLoggedIn,
text: isLoggedIn ? "yes" : "no"
});
if(isLoggedIn) {
$tw.wiki.addTiddler({
title: $tw.plugins.tiddlyweb.titleUserName,
title: TiddlyWebSyncer.titleUserName,
text: json.username
});
} else {
$tw.wiki.deleteTiddler($tw.plugins.tiddlyweb.titleUserName);
$tw.wiki.deleteTiddler(TiddlyWebSyncer.titleUserName);
}
}
// Invoke the callback if present
@@ -99,13 +110,14 @@ $tw.plugins.tiddlyweb.getStatus = function(callback) {
/*
Dispay a password prompt and allow the user to login
*/
$tw.plugins.tiddlyweb.promptLogin = function() {
$tw.plugins.tiddlyweb.getStatus(function(isLoggedIn,json) {
TiddlyWebSyncer.prototype.promptLogin = function() {
var self = this;
this.getStatus(function(isLoggedIn,json) {
if(!isLoggedIn) {
$tw.passwordPrompt.createPrompt({
serviceName: "Login to TiddlySpace",
callback: function(data) {
$tw.plugins.tiddlyweb.login(data.username,data.password);
self.login(data.username,data.password);
return true; // Get rid of the password prompt
}
});
@@ -119,8 +131,9 @@ Attempt to login to TiddlyWeb.
password: password
callback: invoked with arguments (err,isLoggedIn)
*/
$tw.plugins.tiddlyweb.login = function(username,password,callback) {
var httpRequest = $tw.plugins.tiddlyweb.httpRequest({
TiddlyWebSyncer.prototype.login = function(username,password,callback) {
var self = this;
var httpRequest = this.httpRequest({
url: "http://tw5tiddlyweb.tiddlyspace.com/challenge/tiddlywebplugins.tiddlyspace.cookie_form",
type: "POST",
data: {
@@ -134,7 +147,7 @@ $tw.plugins.tiddlyweb.login = function(username,password,callback) {
callback(err);
}
} else {
$tw.plugins.tiddlyweb.getStatus(function(isLoggedIn,json) {
self.getStatus(function(isLoggedIn,json) {
if(callback) {
callback(null,isLoggedIn);
}
@@ -147,20 +160,21 @@ $tw.plugins.tiddlyweb.login = function(username,password,callback) {
/*
Attempt to log out of TiddlyWeb
*/
$tw.plugins.tiddlyweb.logout = function(options) {
TiddlyWebSyncer.prototype.logout = function(options) {
options = options || {};
var httpRequest = $tw.plugins.tiddlyweb.httpRequest({
var self = this;
var httpRequest = this.httpRequest({
url: "http://tw5tiddlyweb.tiddlyspace.com/logout",
type: "POST",
data: {
csrf_token: $tw.plugins.tiddlyweb.getCsrfToken(),
csrf_token: this.getCsrfToken(),
tiddlyweb_redirect: "/status" // workaround to marginalize automatic subsequent GET
},
callback: function(err,data) {
if(err) {
console.log("logout error",err);
} else {
$tw.plugins.tiddlyweb.getStatus(function(isLoggedIn,json) {
self.getStatus(function(isLoggedIn,json) {
console.log("after logout, isLoggedIn",isLoggedIn);
});
console.log("Result of logout",data,httpRequest);
@@ -175,7 +189,7 @@ Some quick and dirty HTTP functions; to be refactored later. Options are:
type: GET, PUT, POST etc
callback: function invoked with (err,data)
*/
$tw.plugins.tiddlyweb.httpRequest = function(options) {
TiddlyWebSyncer.prototype.httpRequest = function(options) {
var type = options.type || "GET",
client = new XMLHttpRequest(),
data = "",
@@ -212,4 +226,10 @@ $tw.plugins.tiddlyweb.httpRequest = function(options) {
return client;
};
// Only export anything on the browser
if($tw.browser) {
exports.name = "tiddlywebsyncer";
exports.syncer = TiddlyWebSyncer;
}
})();