mirror of
https://github.com/fergalmoran/Chrome2Kindle.git
synced 2025-12-22 09:38:38 +00:00
Added beginings of oauth stuff
This commit is contained in:
Fergal Moran
27
client/chrome_ex_oauth.html
Executable file
27
client/chrome_ex_oauth.html
Executable file
@@ -0,0 +1,27 @@
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<!DOCTYPE html>
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<!--
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* Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
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* source code is governed by a BSD-style license that can be found in the
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* LICENSE file.
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-->
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<html>
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<head>
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<title>OAuth Redirect Page</title>
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<style type="text/css">
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body {
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font: 16px Arial;
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color: #333;
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}
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</style>
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<script type="text/javascript" src="chrome_ex_oauthsimple.js"></script>
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<script type="text/javascript" src="chrome_ex_oauth.js"></script>
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<script type="text/javascript">
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function onLoad() {
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ChromeExOAuth.initCallbackPage();
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};
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</script>
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</head>
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<body onload="onLoad();">
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Redirecting...
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</body>
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</html>
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593
client/chrome_ex_oauth.js
Executable file
593
client/chrome_ex_oauth.js
Executable file
@@ -0,0 +1,593 @@
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/**
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* Copyright (c) 2010 The Chromium Authors. All rights reserved. Use of this
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* source code is governed by a BSD-style license that can be found in the
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* LICENSE file.
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*/
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/**
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* Constructor - no need to invoke directly, call initBackgroundPage instead.
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* @constructor
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* @param {String} url_request_token The OAuth request token URL.
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* @param {String} url_auth_token The OAuth authorize token URL.
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* @param {String} url_access_token The OAuth access token URL.
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* @param {String} consumer_key The OAuth consumer key.
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* @param {String} consumer_secret The OAuth consumer secret.
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* @param {String} oauth_scope The OAuth scope parameter.
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* @param {Object} opt_args Optional arguments. Recognized parameters:
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* "app_name" {String} Name of the current application
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* "callback_page" {String} If you renamed chrome_ex_oauth.html, the name
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* this file was renamed to.
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*/
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function ChromeExOAuth(url_request_token, url_auth_token, url_access_token,
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consumer_key, consumer_secret, oauth_scope, opt_args) {
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this.url_request_token = url_request_token;
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this.url_auth_token = url_auth_token;
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this.url_access_token = url_access_token;
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this.consumer_key = consumer_key;
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this.consumer_secret = consumer_secret;
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this.oauth_scope = oauth_scope;
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this.app_name = opt_args && opt_args['app_name'] ||
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"ChromeExOAuth Library";
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this.key_token = "oauth_token";
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this.key_token_secret = "oauth_token_secret";
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this.callback_page = opt_args && opt_args['callback_page'] ||
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"chrome_ex_oauth.html";
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this.auth_params = {};
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if (opt_args && opt_args['auth_params']) {
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for (key in opt_args['auth_params']) {
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if (opt_args['auth_params'].hasOwnProperty(key)) {
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this.auth_params[key] = opt_args['auth_params'][key];
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}
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}
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}
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};
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/*******************************************************************************
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* PUBLIC API METHODS
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* Call these from your background page.
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******************************************************************************/
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/**
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* Initializes the OAuth helper from the background page. You must call this
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* before attempting to make any OAuth calls.
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* @param {Object} oauth_config Configuration parameters in a JavaScript object.
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* The following parameters are recognized:
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* "request_url" {String} OAuth request token URL.
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* "authorize_url" {String} OAuth authorize token URL.
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* "access_url" {String} OAuth access token URL.
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* "consumer_key" {String} OAuth consumer key.
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* "consumer_secret" {String} OAuth consumer secret.
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* "scope" {String} OAuth access scope.
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* "app_name" {String} Application name.
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* "auth_params" {Object} Additional parameters to pass to the
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* Authorization token URL. For an example, 'hd', 'hl', 'btmpl':
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* http://code.google.com/apis/accounts/docs/OAuth_ref.html#GetAuth
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* @return {ChromeExOAuth} An initialized ChromeExOAuth object.
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*/
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ChromeExOAuth.initBackgroundPage = function(oauth_config) {
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window.chromeExOAuthConfig = oauth_config;
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window.chromeExOAuth = ChromeExOAuth.fromConfig(oauth_config);
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window.chromeExOAuthRedirectStarted = false;
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window.chromeExOAuthRequestingAccess = false;
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var url_match = chrome.extension.getURL(window.chromeExOAuth.callback_page);
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var tabs = {};
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chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
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if (changeInfo.url &&
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changeInfo.url.substr(0, url_match.length) === url_match &&
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changeInfo.url != tabs[tabId] &&
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window.chromeExOAuthRequestingAccess == false) {
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chrome.tabs.create({ 'url' : changeInfo.url }, function(tab) {
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tabs[tab.id] = tab.url;
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chrome.tabs.remove(tabId);
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});
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}
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});
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return window.chromeExOAuth;
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};
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/**
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* Authorizes the current user with the configued API. You must call this
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* before calling sendSignedRequest.
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* @param {Function} callback A function to call once an access token has
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* been obtained. This callback will be passed the following arguments:
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* token {String} The OAuth access token.
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* secret {String} The OAuth access token secret.
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*/
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ChromeExOAuth.prototype.authorize = function(callback) {
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if (this.hasToken()) {
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callback(this.getToken(), this.getTokenSecret());
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} else {
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window.chromeExOAuthOnAuthorize = function(token, secret) {
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callback(token, secret);
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};
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chrome.tabs.create({ 'url' :chrome.extension.getURL(this.callback_page) });
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}
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};
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/**
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* Clears any OAuth tokens stored for this configuration. Effectively a
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* "logout" of the configured OAuth API.
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*/
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ChromeExOAuth.prototype.clearTokens = function() {
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delete localStorage[this.key_token + encodeURI(this.oauth_scope)];
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delete localStorage[this.key_token_secret + encodeURI(this.oauth_scope)];
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};
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/**
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* Returns whether a token is currently stored for this configuration.
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* Effectively a check to see whether the current user is "logged in" to
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* the configured OAuth API.
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* @return {Boolean} True if an access token exists.
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*/
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ChromeExOAuth.prototype.hasToken = function() {
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return !!this.getToken();
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};
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/**
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* Makes an OAuth-signed HTTP request with the currently authorized tokens.
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* @param {String} url The URL to send the request to. Querystring parameters
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* should be omitted.
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* @param {Function} callback A function to be called once the request is
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* completed. This callback will be passed the following arguments:
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* responseText {String} The text response.
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* xhr {XMLHttpRequest} The XMLHttpRequest object which was used to
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* send the request. Useful if you need to check response status
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* code, etc.
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* @param {Object} opt_params Additional parameters to configure the request.
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* The following parameters are accepted:
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* "method" {String} The HTTP method to use. Defaults to "GET".
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* "body" {String} A request body to send. Defaults to null.
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* "parameters" {Object} Query parameters to include in the request.
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* "headers" {Object} Additional headers to include in the request.
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*/
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ChromeExOAuth.prototype.sendSignedRequest = function(url, callback,
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opt_params) {
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var method = opt_params && opt_params['method'] || 'GET';
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var body = opt_params && opt_params['body'] || null;
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var params = opt_params && opt_params['parameters'] || {};
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var headers = opt_params && opt_params['headers'] || {};
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var signedUrl = this.signURL(url, method, params);
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ChromeExOAuth.sendRequest(method, signedUrl, headers, body, function (xhr) {
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if (xhr.readyState == 4) {
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callback(xhr.responseText, xhr);
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}
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});
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};
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/**
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* Adds the required OAuth parameters to the given url and returns the
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* result. Useful if you need a signed url but don't want to make an XHR
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* request.
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* @param {String} method The http method to use.
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* @param {String} url The base url of the resource you are querying.
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* @param {Object} opt_params Query parameters to include in the request.
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* @return {String} The base url plus any query params plus any OAuth params.
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*/
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ChromeExOAuth.prototype.signURL = function(url, method, opt_params) {
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var token = this.getToken();
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var secret = this.getTokenSecret();
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if (!token || !secret) {
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throw new Error("No oauth token or token secret");
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}
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var params = opt_params || {};
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var result = OAuthSimple().sign({
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action : method,
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path : url,
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parameters : params,
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signatures: {
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consumer_key : this.consumer_key,
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shared_secret : this.consumer_secret,
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oauth_secret : secret,
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oauth_token: token
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}
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});
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return result.signed_url;
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};
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/**
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* Generates the Authorization header based on the oauth parameters.
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* @param {String} url The base url of the resource you are querying.
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* @param {Object} opt_params Query parameters to include in the request.
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* @return {String} An Authorization header containing the oauth_* params.
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*/
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ChromeExOAuth.prototype.getAuthorizationHeader = function(url, method,
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opt_params) {
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var token = this.getToken();
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var secret = this.getTokenSecret();
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if (!token || !secret) {
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throw new Error("No oauth token or token secret");
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}
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var params = opt_params || {};
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return OAuthSimple().getHeaderString({
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action: method,
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path : url,
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parameters : params,
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signatures: {
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consumer_key : this.consumer_key,
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shared_secret : this.consumer_secret,
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oauth_secret : secret,
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oauth_token: token
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}
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});
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};
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/*******************************************************************************
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* PRIVATE API METHODS
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* Used by the library. There should be no need to call these methods directly.
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******************************************************************************/
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/**
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* Creates a new ChromeExOAuth object from the supplied configuration object.
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* @param {Object} oauth_config Configuration parameters in a JavaScript object.
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* The following parameters are recognized:
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* "request_url" {String} OAuth request token URL.
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* "authorize_url" {String} OAuth authorize token URL.
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* "access_url" {String} OAuth access token URL.
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* "consumer_key" {String} OAuth consumer key.
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* "consumer_secret" {String} OAuth consumer secret.
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* "scope" {String} OAuth access scope.
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* "app_name" {String} Application name.
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* "auth_params" {Object} Additional parameters to pass to the
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* Authorization token URL. For an example, 'hd', 'hl', 'btmpl':
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* http://code.google.com/apis/accounts/docs/OAuth_ref.html#GetAuth
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* @return {ChromeExOAuth} An initialized ChromeExOAuth object.
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*/
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ChromeExOAuth.fromConfig = function(oauth_config) {
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return new ChromeExOAuth(
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oauth_config['request_url'],
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oauth_config['authorize_url'],
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oauth_config['access_url'],
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oauth_config['consumer_key'],
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oauth_config['consumer_secret'],
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oauth_config['scope'],
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{
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'app_name' : oauth_config['app_name'],
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'auth_params' : oauth_config['auth_params']
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}
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);
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};
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/**
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* Initializes chrome_ex_oauth.html and redirects the page if needed to start
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* the OAuth flow. Once an access token is obtained, this function closes
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* chrome_ex_oauth.html.
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*/
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ChromeExOAuth.initCallbackPage = function() {
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var background_page = chrome.extension.getBackgroundPage();
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var oauth_config = background_page.chromeExOAuthConfig;
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var oauth = ChromeExOAuth.fromConfig(oauth_config);
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background_page.chromeExOAuthRedirectStarted = true;
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oauth.initOAuthFlow(function (token, secret) {
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background_page.chromeExOAuthOnAuthorize(token, secret);
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background_page.chromeExOAuthRedirectStarted = false;
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chrome.tabs.getSelected(null, function (tab) {
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chrome.tabs.remove(tab.id);
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});
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});
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};
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/**
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* Sends an HTTP request. Convenience wrapper for XMLHttpRequest calls.
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* @param {String} method The HTTP method to use.
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* @param {String} url The URL to send the request to.
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* @param {Object} headers Optional request headers in key/value format.
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* @param {String} body Optional body content.
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* @param {Function} callback Function to call when the XMLHttpRequest's
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* ready state changes. See documentation for XMLHttpRequest's
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* onreadystatechange handler for more information.
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*/
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ChromeExOAuth.sendRequest = function(method, url, headers, body, callback) {
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var xhr = new XMLHttpRequest();
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xhr.onreadystatechange = function(data) {
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callback(xhr, data);
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}
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xhr.open(method, url, true);
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if (headers) {
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for (var header in headers) {
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if (headers.hasOwnProperty(header)) {
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xhr.setRequestHeader(header, headers[header]);
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}
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}
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}
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xhr.send(body);
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};
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/**
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* Decodes a URL-encoded string into key/value pairs.
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* @param {String} encoded An URL-encoded string.
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* @return {Object} An object representing the decoded key/value pairs found
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* in the encoded string.
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*/
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ChromeExOAuth.formDecode = function(encoded) {
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var params = encoded.split("&");
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var decoded = {};
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for (var i = 0, param; param = params[i]; i++) {
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var keyval = param.split("=");
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if (keyval.length == 2) {
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var key = ChromeExOAuth.fromRfc3986(keyval[0]);
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var val = ChromeExOAuth.fromRfc3986(keyval[1]);
|
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decoded[key] = val;
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||||
}
|
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}
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return decoded;
|
||||
};
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|
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/**
|
||||
* Returns the current window's querystring decoded into key/value pairs.
|
||||
* @return {Object} A object representing any key/value pairs found in the
|
||||
* current window's querystring.
|
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*/
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ChromeExOAuth.getQueryStringParams = function() {
|
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var urlparts = window.location.href.split("?");
|
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if (urlparts.length >= 2) {
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var querystring = urlparts.slice(1).join("?");
|
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return ChromeExOAuth.formDecode(querystring);
|
||||
}
|
||||
return {};
|
||||
};
|
||||
|
||||
/**
|
||||
* Binds a function call to a specific object. This function will also take
|
||||
* a variable number of additional arguments which will be prepended to the
|
||||
* arguments passed to the bound function when it is called.
|
||||
* @param {Function} func The function to bind.
|
||||
* @param {Object} obj The object to bind to the function's "this".
|
||||
* @return {Function} A closure that will call the bound function.
|
||||
*/
|
||||
ChromeExOAuth.bind = function(func, obj) {
|
||||
var newargs = Array.prototype.slice.call(arguments).slice(2);
|
||||
return function() {
|
||||
var combinedargs = newargs.concat(Array.prototype.slice.call(arguments));
|
||||
func.apply(obj, combinedargs);
|
||||
};
|
||||
};
|
||||
|
||||
/**
|
||||
* Encodes a value according to the RFC3986 specification.
|
||||
* @param {String} val The string to encode.
|
||||
*/
|
||||
ChromeExOAuth.toRfc3986 = function(val){
|
||||
return encodeURIComponent(val)
|
||||
.replace(/\!/g, "%21")
|
||||
.replace(/\*/g, "%2A")
|
||||
.replace(/'/g, "%27")
|
||||
.replace(/\(/g, "%28")
|
||||
.replace(/\)/g, "%29");
|
||||
};
|
||||
|
||||
/**
|
||||
* Decodes a string that has been encoded according to RFC3986.
|
||||
* @param {String} val The string to decode.
|
||||
*/
|
||||
ChromeExOAuth.fromRfc3986 = function(val){
|
||||
var tmp = val
|
||||
.replace(/%21/g, "!")
|
||||
.replace(/%2A/g, "*")
|
||||
.replace(/%27/g, "'")
|
||||
.replace(/%28/g, "(")
|
||||
.replace(/%29/g, ")");
|
||||
return decodeURIComponent(tmp);
|
||||
};
|
||||
|
||||
/**
|
||||
* Adds a key/value parameter to the supplied URL.
|
||||
* @param {String} url An URL which may or may not contain querystring values.
|
||||
* @param {String} key A key
|
||||
* @param {String} value A value
|
||||
* @return {String} The URL with URL-encoded versions of the key and value
|
||||
* appended, prefixing them with "&" or "?" as needed.
|
||||
*/
|
||||
ChromeExOAuth.addURLParam = function(url, key, value) {
|
||||
var sep = (url.indexOf('?') >= 0) ? "&" : "?";
|
||||
return url + sep +
|
||||
ChromeExOAuth.toRfc3986(key) + "=" + ChromeExOAuth.toRfc3986(value);
|
||||
};
|
||||
|
||||
/**
|
||||
* Stores an OAuth token for the configured scope.
|
||||
* @param {String} token The token to store.
|
||||
*/
|
||||
ChromeExOAuth.prototype.setToken = function(token) {
|
||||
localStorage[this.key_token + encodeURI(this.oauth_scope)] = token;
|
||||
};
|
||||
|
||||
/**
|
||||
* Retrieves any stored token for the configured scope.
|
||||
* @return {String} The stored token.
|
||||
*/
|
||||
ChromeExOAuth.prototype.getToken = function() {
|
||||
return localStorage[this.key_token + encodeURI(this.oauth_scope)];
|
||||
};
|
||||
|
||||
/**
|
||||
* Stores an OAuth token secret for the configured scope.
|
||||
* @param {String} secret The secret to store.
|
||||
*/
|
||||
ChromeExOAuth.prototype.setTokenSecret = function(secret) {
|
||||
localStorage[this.key_token_secret + encodeURI(this.oauth_scope)] = secret;
|
||||
};
|
||||
|
||||
/**
|
||||
* Retrieves any stored secret for the configured scope.
|
||||
* @return {String} The stored secret.
|
||||
*/
|
||||
ChromeExOAuth.prototype.getTokenSecret = function() {
|
||||
return localStorage[this.key_token_secret + encodeURI(this.oauth_scope)];
|
||||
};
|
||||
|
||||
/**
|
||||
* Starts an OAuth authorization flow for the current page. If a token exists,
|
||||
* no redirect is needed and the supplied callback is called immediately.
|
||||
* If this method detects that a redirect has finished, it grabs the
|
||||
* appropriate OAuth parameters from the URL and attempts to retrieve an
|
||||
* access token. If no token exists and no redirect has happened, then
|
||||
* an access token is requested and the page is ultimately redirected.
|
||||
* @param {Function} callback The function to call once the flow has finished.
|
||||
* This callback will be passed the following arguments:
|
||||
* token {String} The OAuth access token.
|
||||
* secret {String} The OAuth access token secret.
|
||||
*/
|
||||
ChromeExOAuth.prototype.initOAuthFlow = function(callback) {
|
||||
if (!this.hasToken()) {
|
||||
var params = ChromeExOAuth.getQueryStringParams();
|
||||
if (params['chromeexoauthcallback'] == 'true') {
|
||||
var oauth_token = params['oauth_token'];
|
||||
var oauth_verifier = params['oauth_verifier']
|
||||
this.getAccessToken(oauth_token, oauth_verifier, callback);
|
||||
} else {
|
||||
var request_params = {
|
||||
'url_callback_param' : 'chromeexoauthcallback'
|
||||
}
|
||||
this.getRequestToken(function(url) {
|
||||
window.location.href = url;
|
||||
}, request_params);
|
||||
}
|
||||
} else {
|
||||
callback(this.getToken(), this.getTokenSecret());
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Requests an OAuth request token.
|
||||
* @param {Function} callback Function to call once the authorize URL is
|
||||
* calculated. This callback will be passed the following arguments:
|
||||
* url {String} The URL the user must be redirected to in order to
|
||||
* approve the token.
|
||||
* @param {Object} opt_args Optional arguments. The following parameters
|
||||
* are accepted:
|
||||
* "url_callback" {String} The URL the OAuth provider will redirect to.
|
||||
* "url_callback_param" {String} A parameter to include in the callback
|
||||
* URL in order to indicate to this library that a redirect has
|
||||
* taken place.
|
||||
*/
|
||||
ChromeExOAuth.prototype.getRequestToken = function(callback, opt_args) {
|
||||
if (typeof callback !== "function") {
|
||||
throw new Error("Specified callback must be a function.");
|
||||
}
|
||||
var url = opt_args && opt_args['url_callback'] ||
|
||||
window && window.top && window.top.location &&
|
||||
window.top.location.href;
|
||||
|
||||
var url_param = opt_args && opt_args['url_callback_param'] ||
|
||||
"chromeexoauthcallback";
|
||||
var url_callback = ChromeExOAuth.addURLParam(url, url_param, "true");
|
||||
|
||||
var result = OAuthSimple().sign({
|
||||
path : this.url_request_token,
|
||||
parameters: {
|
||||
"xoauth_displayname" : this.app_name,
|
||||
"scope" : this.oauth_scope,
|
||||
"oauth_callback" : url_callback
|
||||
},
|
||||
signatures: {
|
||||
consumer_key : this.consumer_key,
|
||||
shared_secret : this.consumer_secret
|
||||
}
|
||||
});
|
||||
var onToken = ChromeExOAuth.bind(this.onRequestToken, this, callback);
|
||||
ChromeExOAuth.sendRequest("GET", result.signed_url, null, null, onToken);
|
||||
};
|
||||
|
||||
/**
|
||||
* Called when a request token has been returned. Stores the request token
|
||||
* secret for later use and sends the authorization url to the supplied
|
||||
* callback (for redirecting the user).
|
||||
* @param {Function} callback Function to call once the authorize URL is
|
||||
* calculated. This callback will be passed the following arguments:
|
||||
* url {String} The URL the user must be redirected to in order to
|
||||
* approve the token.
|
||||
* @param {XMLHttpRequest} xhr The XMLHttpRequest object used to fetch the
|
||||
* request token.
|
||||
*/
|
||||
ChromeExOAuth.prototype.onRequestToken = function(callback, xhr) {
|
||||
if (xhr.readyState == 4) {
|
||||
if (xhr.status == 200) {
|
||||
var params = ChromeExOAuth.formDecode(xhr.responseText);
|
||||
var token = params['oauth_token'];
|
||||
this.setTokenSecret(params['oauth_token_secret']);
|
||||
var url = ChromeExOAuth.addURLParam(this.url_auth_token,
|
||||
"oauth_token", token);
|
||||
for (var key in this.auth_params) {
|
||||
if (this.auth_params.hasOwnProperty(key)) {
|
||||
url = ChromeExOAuth.addURLParam(url, key, this.auth_params[key]);
|
||||
}
|
||||
}
|
||||
callback(url);
|
||||
} else {
|
||||
throw new Error("Fetching request token failed. Status " + xhr.status);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Requests an OAuth access token.
|
||||
* @param {String} oauth_token The OAuth request token.
|
||||
* @param {String} oauth_verifier The OAuth token verifier.
|
||||
* @param {Function} callback The function to call once the token is obtained.
|
||||
* This callback will be passed the following arguments:
|
||||
* token {String} The OAuth access token.
|
||||
* secret {String} The OAuth access token secret.
|
||||
*/
|
||||
ChromeExOAuth.prototype.getAccessToken = function(oauth_token, oauth_verifier,
|
||||
callback) {
|
||||
if (typeof callback !== "function") {
|
||||
throw new Error("Specified callback must be a function.");
|
||||
}
|
||||
var bg = chrome.extension.getBackgroundPage();
|
||||
if (bg.chromeExOAuthRequestingAccess == false) {
|
||||
bg.chromeExOAuthRequestingAccess = true;
|
||||
|
||||
var result = OAuthSimple().sign({
|
||||
path : this.url_access_token,
|
||||
parameters: {
|
||||
"oauth_token" : oauth_token,
|
||||
"oauth_verifier" : oauth_verifier
|
||||
},
|
||||
signatures: {
|
||||
consumer_key : this.consumer_key,
|
||||
shared_secret : this.consumer_secret,
|
||||
oauth_secret : this.getTokenSecret(this.oauth_scope)
|
||||
}
|
||||
});
|
||||
|
||||
var onToken = ChromeExOAuth.bind(this.onAccessToken, this, callback);
|
||||
ChromeExOAuth.sendRequest("GET", result.signed_url, null, null, onToken);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called when an access token has been returned. Stores the access token and
|
||||
* access token secret for later use and sends them to the supplied callback.
|
||||
* @param {Function} callback The function to call once the token is obtained.
|
||||
* This callback will be passed the following arguments:
|
||||
* token {String} The OAuth access token.
|
||||
* secret {String} The OAuth access token secret.
|
||||
* @param {XMLHttpRequest} xhr The XMLHttpRequest object used to fetch the
|
||||
* access token.
|
||||
*/
|
||||
ChromeExOAuth.prototype.onAccessToken = function(callback, xhr) {
|
||||
if (xhr.readyState == 4) {
|
||||
var bg = chrome.extension.getBackgroundPage();
|
||||
if (xhr.status == 200) {
|
||||
var params = ChromeExOAuth.formDecode(xhr.responseText);
|
||||
var token = params["oauth_token"];
|
||||
var secret = params["oauth_token_secret"];
|
||||
this.setToken(token);
|
||||
this.setTokenSecret(secret);
|
||||
bg.chromeExOAuthRequestingAccess = false;
|
||||
callback(token, secret);
|
||||
} else {
|
||||
bg.chromeExOAuthRequestingAccess = false;
|
||||
throw new Error("Fetching access token failed with status " + xhr.status);
|
||||
}
|
||||
}
|
||||
};
|
||||
458
client/chrome_ex_oauthsimple.js
Executable file
458
client/chrome_ex_oauthsimple.js
Executable file
@@ -0,0 +1,458 @@
|
||||
/* OAuthSimple
|
||||
* A simpler version of OAuth
|
||||
*
|
||||
* author: jr conlin
|
||||
* mail: src@anticipatr.com
|
||||
* copyright: unitedHeroes.net
|
||||
* version: 1.0
|
||||
* url: http://unitedHeroes.net/OAuthSimple
|
||||
*
|
||||
* Copyright (c) 2009, unitedHeroes.net
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of the unitedHeroes.net nor the
|
||||
* names of its contributors may be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY UNITEDHEROES.NET ''AS IS'' AND ANY
|
||||
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL UNITEDHEROES.NET BE LIABLE FOR ANY
|
||||
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
var OAuthSimple;
|
||||
|
||||
if (OAuthSimple === undefined)
|
||||
{
|
||||
/* Simple OAuth
|
||||
*
|
||||
* This class only builds the OAuth elements, it does not do the actual
|
||||
* transmission or reception of the tokens. It does not validate elements
|
||||
* of the token. It is for client use only.
|
||||
*
|
||||
* api_key is the API key, also known as the OAuth consumer key
|
||||
* shared_secret is the shared secret (duh).
|
||||
*
|
||||
* Both the api_key and shared_secret are generally provided by the site
|
||||
* offering OAuth services. You need to specify them at object creation
|
||||
* because nobody <explative>ing uses OAuth without that minimal set of
|
||||
* signatures.
|
||||
*
|
||||
* If you want to use the higher order security that comes from the
|
||||
* OAuth token (sorry, I don't provide the functions to fetch that because
|
||||
* sites aren't horribly consistent about how they offer that), you need to
|
||||
* pass those in either with .setTokensAndSecrets() or as an argument to the
|
||||
* .sign() or .getHeaderString() functions.
|
||||
*
|
||||
* Example:
|
||||
<code>
|
||||
var oauthObject = OAuthSimple().sign({path:'http://example.com/rest/',
|
||||
parameters: 'foo=bar&gorp=banana',
|
||||
signatures:{
|
||||
api_key:'12345abcd',
|
||||
shared_secret:'xyz-5309'
|
||||
}});
|
||||
document.getElementById('someLink').href=oauthObject.signed_url;
|
||||
</code>
|
||||
*
|
||||
* that will sign as a "GET" using "SHA1-MAC" the url. If you need more than
|
||||
* that, read on, McDuff.
|
||||
*/
|
||||
|
||||
/** OAuthSimple creator
|
||||
*
|
||||
* Create an instance of OAuthSimple
|
||||
*
|
||||
* @param api_key {string} The API Key (sometimes referred to as the consumer key) This value is usually supplied by the site you wish to use.
|
||||
* @param shared_secret (string) The shared secret. This value is also usually provided by the site you wish to use.
|
||||
*/
|
||||
OAuthSimple = function (consumer_key,shared_secret)
|
||||
{
|
||||
/* if (api_key == undefined)
|
||||
throw("Missing argument: api_key (oauth_consumer_key) for OAuthSimple. This is usually provided by the hosting site.");
|
||||
if (shared_secret == undefined)
|
||||
throw("Missing argument: shared_secret (shared secret) for OAuthSimple. This is usually provided by the hosting site.");
|
||||
*/ this._secrets={};
|
||||
this._parameters={};
|
||||
|
||||
// General configuration options.
|
||||
if (consumer_key !== undefined) {
|
||||
this._secrets['consumer_key'] = consumer_key;
|
||||
}
|
||||
if (shared_secret !== undefined) {
|
||||
this._secrets['shared_secret'] = shared_secret;
|
||||
}
|
||||
this._default_signature_method= "HMAC-SHA1";
|
||||
this._action = "GET";
|
||||
this._nonce_chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
||||
|
||||
|
||||
this.reset = function() {
|
||||
this._parameters={};
|
||||
this._path=undefined;
|
||||
return this;
|
||||
};
|
||||
|
||||
/** set the parameters either from a hash or a string
|
||||
*
|
||||
* @param {string,object} List of parameters for the call, this can either be a URI string (e.g. "foo=bar&gorp=banana" or an object/hash)
|
||||
*/
|
||||
this.setParameters = function (parameters) {
|
||||
if (parameters === undefined) {
|
||||
parameters = {};
|
||||
}
|
||||
if (typeof(parameters) == 'string') {
|
||||
parameters=this._parseParameterString(parameters);
|
||||
}
|
||||
this._parameters = parameters;
|
||||
if (this._parameters['oauth_nonce'] === undefined) {
|
||||
this._getNonce();
|
||||
}
|
||||
if (this._parameters['oauth_timestamp'] === undefined) {
|
||||
this._getTimestamp();
|
||||
}
|
||||
if (this._parameters['oauth_method'] === undefined) {
|
||||
this.setSignatureMethod();
|
||||
}
|
||||
if (this._parameters['oauth_consumer_key'] === undefined) {
|
||||
this._getApiKey();
|
||||
}
|
||||
if(this._parameters['oauth_token'] === undefined) {
|
||||
this._getAccessToken();
|
||||
}
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
/** convienence method for setParameters
|
||||
*
|
||||
* @param parameters {string,object} See .setParameters
|
||||
*/
|
||||
this.setQueryString = function (parameters) {
|
||||
return this.setParameters(parameters);
|
||||
};
|
||||
|
||||
/** Set the target URL (does not include the parameters)
|
||||
*
|
||||
* @param path {string} the fully qualified URI (excluding query arguments) (e.g "http://example.org/foo")
|
||||
*/
|
||||
this.setURL = function (path) {
|
||||
if (path == '') {
|
||||
throw ('No path specified for OAuthSimple.setURL');
|
||||
}
|
||||
this._path = path;
|
||||
return this;
|
||||
};
|
||||
|
||||
/** convienence method for setURL
|
||||
*
|
||||
* @param path {string} see .setURL
|
||||
*/
|
||||
this.setPath = function(path){
|
||||
return this.setURL(path);
|
||||
};
|
||||
|
||||
/** set the "action" for the url, (e.g. GET,POST, DELETE, etc.)
|
||||
*
|
||||
* @param action {string} HTTP Action word.
|
||||
*/
|
||||
this.setAction = function(action) {
|
||||
if (action === undefined) {
|
||||
action="GET";
|
||||
}
|
||||
action = action.toUpperCase();
|
||||
if (action.match('[^A-Z]')) {
|
||||
throw ('Invalid action specified for OAuthSimple.setAction');
|
||||
}
|
||||
this._action = action;
|
||||
return this;
|
||||
};
|
||||
|
||||
/** set the signatures (as well as validate the ones you have)
|
||||
*
|
||||
* @param signatures {object} object/hash of the token/signature pairs {api_key:, shared_secret:, oauth_token: oauth_secret:}
|
||||
*/
|
||||
this.setTokensAndSecrets = function(signatures) {
|
||||
if (signatures)
|
||||
{
|
||||
for (var i in signatures) {
|
||||
this._secrets[i] = signatures[i];
|
||||
}
|
||||
}
|
||||
// Aliases
|
||||
if (this._secrets['api_key']) {
|
||||
this._secrets.consumer_key = this._secrets.api_key;
|
||||
}
|
||||
if (this._secrets['access_token']) {
|
||||
this._secrets.oauth_token = this._secrets.access_token;
|
||||
}
|
||||
if (this._secrets['access_secret']) {
|
||||
this._secrets.oauth_secret = this._secrets.access_secret;
|
||||
}
|
||||
// Gauntlet
|
||||
if (this._secrets.consumer_key === undefined) {
|
||||
throw('Missing required consumer_key in OAuthSimple.setTokensAndSecrets');
|
||||
}
|
||||
if (this._secrets.shared_secret === undefined) {
|
||||
throw('Missing required shared_secret in OAuthSimple.setTokensAndSecrets');
|
||||
}
|
||||
if ((this._secrets.oauth_token !== undefined) && (this._secrets.oauth_secret === undefined)) {
|
||||
throw('Missing oauth_secret for supplied oauth_token in OAuthSimple.setTokensAndSecrets');
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
/** set the signature method (currently only Plaintext or SHA-MAC1)
|
||||
*
|
||||
* @param method {string} Method of signing the transaction (only PLAINTEXT and SHA-MAC1 allowed for now)
|
||||
*/
|
||||
this.setSignatureMethod = function(method) {
|
||||
if (method === undefined) {
|
||||
method = this._default_signature_method;
|
||||
}
|
||||
//TODO: accept things other than PlainText or SHA-MAC1
|
||||
if (method.toUpperCase().match(/(PLAINTEXT|HMAC-SHA1)/) === undefined) {
|
||||
throw ('Unknown signing method specified for OAuthSimple.setSignatureMethod');
|
||||
}
|
||||
this._parameters['oauth_signature_method']= method.toUpperCase();
|
||||
return this;
|
||||
};
|
||||
|
||||
/** sign the request
|
||||
*
|
||||
* note: all arguments are optional, provided you've set them using the
|
||||
* other helper functions.
|
||||
*
|
||||
* @param args {object} hash of arguments for the call
|
||||
* {action:, path:, parameters:, method:, signatures:}
|
||||
* all arguments are optional.
|
||||
*/
|
||||
this.sign = function (args) {
|
||||
if (args === undefined) {
|
||||
args = {};
|
||||
}
|
||||
// Set any given parameters
|
||||
if(args['action'] !== undefined) {
|
||||
this.setAction(args['action']);
|
||||
}
|
||||
if (args['path'] !== undefined) {
|
||||
this.setPath(args['path']);
|
||||
}
|
||||
if (args['method'] !== undefined) {
|
||||
this.setSignatureMethod(args['method']);
|
||||
}
|
||||
this.setTokensAndSecrets(args['signatures']);
|
||||
if (args['parameters'] !== undefined){
|
||||
this.setParameters(args['parameters']);
|
||||
}
|
||||
// check the parameters
|
||||
var normParams = this._normalizedParameters();
|
||||
this._parameters['oauth_signature']=this._generateSignature(normParams);
|
||||
return {
|
||||
parameters: this._parameters,
|
||||
signature: this._oauthEscape(this._parameters['oauth_signature']),
|
||||
signed_url: this._path + '?' + this._normalizedParameters(),
|
||||
header: this.getHeaderString()
|
||||
};
|
||||
};
|
||||
|
||||
/** Return a formatted "header" string
|
||||
*
|
||||
* NOTE: This doesn't set the "Authorization: " prefix, which is required.
|
||||
* I don't set it because various set header functions prefer different
|
||||
* ways to do that.
|
||||
*
|
||||
* @param args {object} see .sign
|
||||
*/
|
||||
this.getHeaderString = function(args) {
|
||||
if (this._parameters['oauth_signature'] === undefined) {
|
||||
this.sign(args);
|
||||
}
|
||||
|
||||
var result = 'OAuth ';
|
||||
for (var pName in this._parameters)
|
||||
{
|
||||
if (!pName.match(/^oauth/)) {
|
||||
continue;
|
||||
}
|
||||
if ((this._parameters[pName]) instanceof Array)
|
||||
{
|
||||
var pLength = this._parameters[pName].length;
|
||||
for (var j=0;j<pLength;j++)
|
||||
{
|
||||
result += pName +'="'+this._oauthEscape(this._parameters[pName][j])+'" ';
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
result += pName + '="'+this._oauthEscape(this._parameters[pName])+'" ';
|
||||
}
|
||||
}
|
||||
return result;
|
||||
};
|
||||
|
||||
// Start Private Methods.
|
||||
|
||||
/** convert the parameter string into a hash of objects.
|
||||
*
|
||||
*/
|
||||
this._parseParameterString = function(paramString){
|
||||
var elements = paramString.split('&');
|
||||
var result={};
|
||||
for(var element=elements.shift();element;element=elements.shift())
|
||||
{
|
||||
var keyToken=element.split('=');
|
||||
var value='';
|
||||
if (keyToken[1]) {
|
||||
value=decodeURIComponent(keyToken[1]);
|
||||
}
|
||||
if(result[keyToken[0]]){
|
||||
if (!(result[keyToken[0]] instanceof Array))
|
||||
{
|
||||
result[keyToken[0]] = Array(result[keyToken[0]],value);
|
||||
}
|
||||
else
|
||||
{
|
||||
result[keyToken[0]].push(value);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
result[keyToken[0]]=value;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
};
|
||||
|
||||
this._oauthEscape = function(string) {
|
||||
if (string === undefined) {
|
||||
return "";
|
||||
}
|
||||
if (string instanceof Array)
|
||||
{
|
||||
throw('Array passed to _oauthEscape');
|
||||
}
|
||||
return encodeURIComponent(string).replace(/\!/g, "%21").
|
||||
replace(/\*/g, "%2A").
|
||||
replace(/'/g, "%27").
|
||||
replace(/\(/g, "%28").
|
||||
replace(/\)/g, "%29");
|
||||
};
|
||||
|
||||
this._getNonce = function (length) {
|
||||
if (length === undefined) {
|
||||
length=5;
|
||||
}
|
||||
var result = "";
|
||||
var cLength = this._nonce_chars.length;
|
||||
for (var i = 0; i < length;i++) {
|
||||
var rnum = Math.floor(Math.random() *cLength);
|
||||
result += this._nonce_chars.substring(rnum,rnum+1);
|
||||
}
|
||||
this._parameters['oauth_nonce']=result;
|
||||
return result;
|
||||
};
|
||||
|
||||
this._getApiKey = function() {
|
||||
if (this._secrets.consumer_key === undefined) {
|
||||
throw('No consumer_key set for OAuthSimple.');
|
||||
}
|
||||
this._parameters['oauth_consumer_key']=this._secrets.consumer_key;
|
||||
return this._parameters.oauth_consumer_key;
|
||||
};
|
||||
|
||||
this._getAccessToken = function() {
|
||||
if (this._secrets['oauth_secret'] === undefined) {
|
||||
return '';
|
||||
}
|
||||
if (this._secrets['oauth_token'] === undefined) {
|
||||
throw('No oauth_token (access_token) set for OAuthSimple.');
|
||||
}
|
||||
this._parameters['oauth_token'] = this._secrets.oauth_token;
|
||||
return this._parameters.oauth_token;
|
||||
};
|
||||
|
||||
this._getTimestamp = function() {
|
||||
var d = new Date();
|
||||
var ts = Math.floor(d.getTime()/1000);
|
||||
this._parameters['oauth_timestamp'] = ts;
|
||||
return ts;
|
||||
};
|
||||
|
||||
this.b64_hmac_sha1 = function(k,d,_p,_z){
|
||||
// heavily optimized and compressed version of http://pajhome.org.uk/crypt/md5/sha1.js
|
||||
// _p = b64pad, _z = character size; not used here but I left them available just in case
|
||||
if(!_p){_p='=';}if(!_z){_z=8;}function _f(t,b,c,d){if(t<20){return(b&c)|((~b)&d);}if(t<40){return b^c^d;}if(t<60){return(b&c)|(b&d)|(c&d);}return b^c^d;}function _k(t){return(t<20)?1518500249:(t<40)?1859775393:(t<60)?-1894007588:-899497514;}function _s(x,y){var l=(x&0xFFFF)+(y&0xFFFF),m=(x>>16)+(y>>16)+(l>>16);return(m<<16)|(l&0xFFFF);}function _r(n,c){return(n<<c)|(n>>>(32-c));}function _c(x,l){x[l>>5]|=0x80<<(24-l%32);x[((l+64>>9)<<4)+15]=l;var w=[80],a=1732584193,b=-271733879,c=-1732584194,d=271733878,e=-1009589776;for(var i=0;i<x.length;i+=16){var o=a,p=b,q=c,r=d,s=e;for(var j=0;j<80;j++){if(j<16){w[j]=x[i+j];}else{w[j]=_r(w[j-3]^w[j-8]^w[j-14]^w[j-16],1);}var t=_s(_s(_r(a,5),_f(j,b,c,d)),_s(_s(e,w[j]),_k(j)));e=d;d=c;c=_r(b,30);b=a;a=t;}a=_s(a,o);b=_s(b,p);c=_s(c,q);d=_s(d,r);e=_s(e,s);}return[a,b,c,d,e];}function _b(s){var b=[],m=(1<<_z)-1;for(var i=0;i<s.length*_z;i+=_z){b[i>>5]|=(s.charCodeAt(i/8)&m)<<(32-_z-i%32);}return b;}function _h(k,d){var b=_b(k);if(b.length>16){b=_c(b,k.length*_z);}var p=[16],o=[16];for(var i=0;i<16;i++){p[i]=b[i]^0x36363636;o[i]=b[i]^0x5C5C5C5C;}var h=_c(p.concat(_b(d)),512+d.length*_z);return _c(o.concat(h),512+160);}function _n(b){var t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",s='';for(var i=0;i<b.length*4;i+=3){var r=(((b[i>>2]>>8*(3-i%4))&0xFF)<<16)|(((b[i+1>>2]>>8*(3-(i+1)%4))&0xFF)<<8)|((b[i+2>>2]>>8*(3-(i+2)%4))&0xFF);for(var j=0;j<4;j++){if(i*8+j*6>b.length*32){s+=_p;}else{s+=t.charAt((r>>6*(3-j))&0x3F);}}}return s;}function _x(k,d){return _n(_h(k,d));}return _x(k,d);
|
||||
}
|
||||
|
||||
|
||||
this._normalizedParameters = function() {
|
||||
var elements = new Array();
|
||||
var paramNames = [];
|
||||
var ra =0;
|
||||
for (var paramName in this._parameters)
|
||||
{
|
||||
if (ra++ > 1000) {
|
||||
throw('runaway 1');
|
||||
}
|
||||
paramNames.unshift(paramName);
|
||||
}
|
||||
paramNames = paramNames.sort();
|
||||
pLen = paramNames.length;
|
||||
for (var i=0;i<pLen; i++)
|
||||
{
|
||||
paramName=paramNames[i];
|
||||
//skip secrets.
|
||||
if (paramName.match(/\w+_secret/)) {
|
||||
continue;
|
||||
}
|
||||
if (this._parameters[paramName] instanceof Array)
|
||||
{
|
||||
var sorted = this._parameters[paramName].sort();
|
||||
var spLen = sorted.length;
|
||||
for (var j = 0;j<spLen;j++){
|
||||
if (ra++ > 1000) {
|
||||
throw('runaway 1');
|
||||
}
|
||||
elements.push(this._oauthEscape(paramName) + '=' +
|
||||
this._oauthEscape(sorted[j]));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
elements.push(this._oauthEscape(paramName) + '=' +
|
||||
this._oauthEscape(this._parameters[paramName]));
|
||||
}
|
||||
return elements.join('&');
|
||||
};
|
||||
|
||||
this._generateSignature = function() {
|
||||
|
||||
var secretKey = this._oauthEscape(this._secrets.shared_secret)+'&'+
|
||||
this._oauthEscape(this._secrets.oauth_secret);
|
||||
if (this._parameters['oauth_signature_method'] == 'PLAINTEXT')
|
||||
{
|
||||
return secretKey;
|
||||
}
|
||||
if (this._parameters['oauth_signature_method'] == 'HMAC-SHA1')
|
||||
{
|
||||
var sigString = this._oauthEscape(this._action)+'&'+this._oauthEscape(this._path)+'&'+this._oauthEscape(this._normalizedParameters());
|
||||
return this.b64_hmac_sha1(secretKey,sigString);
|
||||
}
|
||||
return null;
|
||||
};
|
||||
|
||||
return this;
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user