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Commit 85dcad6

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Pat Patterson
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Added persistent storage of refresh token to the PhoneGap sample app, which
necessitated changes in forcetk.js, which rippled into the other apps. Changes are minor - you just need to call setSessionToken() after constructing the client.
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7 files changed

+242
-152
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‎README.markdown

Lines changed: 10 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -39,8 +39,9 @@ Your Visualforce page will need to include jQuery and the toolkit, then create a
3939
// Get a reference to jQuery that we can work with
4040
$j = jQuery.noConflict();
4141
42-
// Get an instance of the REST API client
43-
var client = new forcetk.Client('{!$Api.Session_ID}');
42+
// Get an instance of the REST API client and set the session ID
43+
var client = new forcetk.Client();
44+
client.setSessionToken('{!$Api.Session_ID}');
4445
4546
client.query("SELECT Name FROM Account LIMIT 1", function(response){
4647
$j('#accountname').html(response.records[0].Name);
@@ -70,9 +71,7 @@ Your HTML page will need to include jQuery and the toolkit, then create a client
7071
var redirectUri = 'PATH_TO_YOUR_APP/oauthcallback.html';
7172
var proxyUrl = 'PATH_TO_YOUR_APP/proxy.php?mode=native';
7273

73-
// We'll get an instance of the REST API client in a callback
74-
// after we do OAuth
75-
var client = null;
74+
var client = new forcetk.Client(clientId, loginUrl, proxyUrl);
7675

7776
$(document).ready(function() {
7877
$('#message').popupWindow({
@@ -95,8 +94,8 @@ Your HTML page will need to include jQuery and the toolkit, then create a client
9594
|| typeof oauthResponse['access_token'] === 'undefined') {
9695
$('#message').html('Error - unauthorized!');
9796
} else {
98-
client = new forcetk.Client(oauthResponse.access_token,
99-
null, oauthResponse.instance_url, proxyUrl);
97+
client.setSessionToken(oauthResponse.access_token, null,
98+
oauthResponse.instance_url);
10099

101100
client.query("SELECT Name FROM Account LIMIT 1",
102101
function(response){
@@ -131,9 +130,7 @@ An absolutely minimal sample using OAuth to obtain a session ID is:
131130
var clientId = 'YOUR_CLIENT_ID';
132131
var redirectUri = 'https://login.salesforce.com/services/oauth2/success';
133132

134-
// We'll get an instance of the REST API client in a callback
135-
// after we do OAuth
136-
var client = null;
133+
var client = new forcetk.Client(clientId, loginUrl);
137134

138135
$(document).ready(function() {
139136
var cb = ChildBrowser.install();
@@ -176,7 +173,8 @@ An absolutely minimal sample using OAuth to obtain a session ID is:
176173
responseText: 'No OAuth response'
177174
});
178175
} else {
179-
client = new forcetk.Client(oauthResponse.access_token, null, oauthResponse.instance_url);
176+
client.setSessionToken(oauthResponse.access_token, null,
177+
oauthResponse.instance_url);
180178
181179
client.query("SELECT Name FROM Account LIMIT 1",
182180
function(response){
@@ -190,5 +188,5 @@ An absolutely minimal sample using OAuth to obtain a session ID is:
190188
<p id="message">Click here.</p>
191189
</html>
192190

193-
A fully featured sample is provided in [phonegap.html](Force.com-JavaScript-REST-Toolkit/blob/master/phonegap.html).
191+
A fully featured sample (including persistence of the OAuth refresh token to the iOS Keychain) is provided in [phonegap.html](Force.com-JavaScript-REST-Toolkit/blob/master/phonegap.html).
194192

‎example.html

Lines changed: 3 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -55,9 +55,7 @@
5555
var redirectUri = 'https://localhost/jsapp/oauthcallback.html';
5656
var proxyUrl = 'https://localhost/jsapp/proxy.php?mode=native';
5757

58-
// We'll get an instance of the REST API client in a callback after we do
59-
// OAuth
60-
var client = null;
58+
var client = new forcetk.Client(clientId, loginUrl, proxyUrl);
6159

6260
var ajaxgif = "<img src='static/ajax.gif' />";
6361

@@ -104,8 +102,8 @@
104102
responseText: 'No OAuth response'
105103
});
106104
} else {
107-
client = new forcetk.Client(oauthResponse.access_token, null,
108-
oauthResponse.instance_url, proxyUrl);
105+
client.setSessionToken(oauthResponse.access_token, null,
106+
oauthResponse.instance_url);
109107

110108
// Kick things off by doing a describe on Account...
111109
$j('#prompt').html(ajaxgif+" loading metadata...");

‎example.page

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -51,8 +51,9 @@ Sample Visualforce page for Force.com JavaScript REST Toolkit
5151
// Get a reference to jQuery that we can work with
5252
$j = jQuery.noConflict();
5353

54-
// Get an instance of the REST API client
55-
var client = new forcetk.Client('{!$Api.Session_ID}');
54+
// Get an instance of the REST API client and set the session ID
55+
var client = new forcetk.Client();
56+
client.setSessionToken('{!$Api.Session_ID}');
5657

5758
var ajaxgif = "<img src='{!URLFOR($Resource.sample, '/ajax.gif')}' />";
5859

‎forcetk.js

Lines changed: 93 additions & 39 deletions
Original file line numberDiff line numberDiff line change
@@ -31,58 +31,107 @@
3131
* https://na1.salesforce.com/ or similar) as a remote site - in the admin
3232
* console, go to Your Name | Setup | Security Controls | Remote Site Settings
3333
*/
34-
34+
3535
var forcetk = window.forcetk;
3636

3737
if (forcetk === undefined) {
3838
forcetk = {};
3939
}
40-
40+
4141
if (forcetk.Client === undefined) {
42-
43-
// We use $j rather than $ for jQuery so it works in Visualforce
44-
if (window.$j === undefined) {
45-
$j = $;
46-
}
42+
43+
// We use $j rather than $ for jQuery so it works in Visualforce
44+
if (window.$j === undefined) {
45+
$j = $;
46+
}
4747

4848
/**
4949
* The Client provides a convenient wrapper for the Force.com REST API,
5050
* allowing JavaScript in Visualforce pages to use the API via the Ajax
5151
* Proxy.
52+
* @param [clientId=null] 'Consumer Key' in the Remote Access app settings
53+
* @param [loginUrl='https://login.salesforce.com/'] Login endpoint
54+
* @param [proxyUrl=null] Proxy URL. Omit if running on Visualforce or
55+
* PhoneGap etc
56+
* @constructor
57+
*/
58+
forcetk.Client = function(clientId, loginUrl, proxyUrl) {
59+
this.clientId = clientId;
60+
this.loginUrl = loginUrl || 'https://login.salesforce.com/';
61+
if (typeof proxyUrl === 'undefined' || proxyUrl === null) {
62+
if (location.protocol === 'file:') {
63+
// In PhoneGap
64+
this.proxyUrl = null;
65+
} else {
66+
// In Visualforce
67+
this.proxyUrl = location.protocol + "//" + location.hostname
68+
+ "/services/proxy";
69+
}
70+
this.authzHeader = "Authorization";
71+
} else {
72+
// On a server outside VF
73+
this.proxyUrl = proxyUrl;
74+
this.authzHeader = "X-Authorization";
75+
}
76+
this.refreshToken = null;
77+
this.sessionId = null;
78+
this.apiVersion = null;
79+
this.instanceUrl = null;
80+
}
81+
82+
/**
83+
* Set a refresh token in the client.
84+
* @param refreshToken an OAuth refresh token
85+
*/
86+
forcetk.Client.prototype.setRefreshToken = function(refreshToken) {
87+
this.refreshToken = refreshToken;
88+
}
89+
90+
/**
91+
* Refresh the access token.
92+
* @param callback function to call on success
93+
* @param error function to call on failure
94+
*/
95+
forcetk.Client.prototype.refreshAccessToken = function(callback, error) {
96+
var that = this;
97+
var url = this.loginUrl + '/services/oauth2/token';
98+
$j.ajax({
99+
type: 'POST',
100+
url: (this.proxyUrl !== null) ? this.proxyUrl: url,
101+
processData: false,
102+
data: 'grant_type=refresh_token&client_id=' + this.clientId + '&refresh_token=' + this.refreshToken,
103+
success: callback,
104+
error: error,
105+
dataType: "json",
106+
beforeSend: function(xhr) {
107+
if (that.proxyUrl !== null) {
108+
xhr.setRequestHeader('SalesforceProxy-Endpoint', url);
109+
}
110+
}
111+
});
112+
}
113+
114+
/**
115+
* Set a session token and the associated metadata in the client.
52116
* @param sessionId a salesforce.com session ID. In a Visualforce page,
53117
* use '{!$Api.sessionId}' to obtain a session ID.
54118
* @param [apiVersion="21.0"] Force.com API version
55-
* @constructor
119+
* @param [instanceUrl] Omit this if running on Visualforce; otherwise
120+
* use the value from the OAuth token.
56121
*/
57-
forcetk.Client = function(sessionId, apiVersion, instanceUrl, proxyUrl) {
122+
forcetk.Client.prototype.setSessionToken = function(sessionId, apiVersion, instanceUrl) {
58123
this.sessionId = sessionId;
59124
this.apiVersion = (typeof apiVersion === 'undefined' || apiVersion == null)
60-
? 'v21.0' : apiVersion;
125+
? 'v21.0': apiVersion;
61126
if (typeof instanceUrl === 'undefined' || instanceUrl == null) {
62127
// location.hostname can be of the form 'abc.na1.visual.force.com' or
63128
// 'na1.salesforce.com'. Split on '.', and take the [1] or [0] element
64129
// as appropriate
65130
var elements = location.hostname.split(".");
66131
var instance = (elements.length == 3) ? elements[0] : elements[1];
67-
this.instance_url = "https://"+instance+".salesforce.com";
68-
} else {
69-
this.instance_url = instanceUrl;
70-
}
71-
if (typeof proxyUrl === 'undefined' || proxyUrl === null) {
72-
if (location.protocol === 'file:'){
73-
// In PhoneGap
74-
this.proxy_url = null;
75-
this.authzHeader = null;
76-
} else {
77-
// In Visualforce
78-
this.proxy_url = location.protocol + "//" + location.hostname
79-
+ "/services/proxy";
80-
this.authzHeader = "Authorization";
81-
}
132+
this.instanceUrl = "https://" + instance + ".salesforce.com";
82133
} else {
83-
// On a server outside VF
84-
this.proxy_url = proxyUrl;
85-
this.authzHeader = "X-Authorization";
134+
this.instanceUrl = instanceUrl;
86135
}
87136
}
88137

@@ -94,23 +143,28 @@ if (forcetk.Client === undefined) {
94143
* @param [method="GET"] HTTP method for call
95144
* @param [payload=null] payload for POST/PATCH etc
96145
*/
97-
forcetk.Client.prototype.ajax = function(path, callback, error, method, payload) {
146+
forcetk.Client.prototype.ajax = function(path, callback, error, method, payload, retry) {
98147
var that = this;
99-
var url = this.instance_url + '/services/data' + path;
148+
var url = this.instanceUrl + '/services/data' + path;
100149

101150
$j.ajax({
102-
type: (typeof method === 'undefined' || method == null)
103-
? "GET" : method,
104-
url: (this.proxy_url !== null) ? this.proxy_url : url,
151+
type: method || "GET",
152+
url: (this.proxyUrl !== null) ? this.proxyUrl: url,
105153
contentType: 'application/json',
106154
processData: false,
107-
data: (typeof payload === 'undefined' || payload == null)
108-
? null : payload,
155+
data: payload,
109156
success: callback,
110-
error: error,
157+
error: (!this.refreshToken || retry ) ? error : function() {
158+
that.refreshAccessToken(function(oauthResponse) {
159+
that.setSessionToken(oauthResponse.access_token, null,
160+
oauthResponse.instance_url);
161+
that.ajax(path, callback, error, method, payload, true);
162+
},
163+
error);
164+
},
111165
dataType: "json",
112166
beforeSend: function(xhr) {
113-
if (that.proxy_url !== null) {
167+
if (that.proxyUrl !== null) {
114168
xhr.setRequestHeader('SalesforceProxy-Endpoint', url);
115169
}
116170
xhr.setRequestHeader(that.authzHeader, "OAuth " + that.sessionId);
@@ -168,7 +222,7 @@ if (forcetk.Client === undefined) {
168222
* @param [error=null] function to which jqXHR will be passed in case of error
169223
*/
170224
forcetk.Client.prototype.describe = function(objtype, callback, error) {
171-
this.ajax('/' + this.apiVersion + '/sobjects/' + objtype
225+
this.ajax('/' + this.apiVersion + '/sobjects/' + objtype
172226
+ '/describe/', callback, error);
173227
}
174228

@@ -196,7 +250,7 @@ if (forcetk.Client === undefined) {
196250
* @param [error=null] function to which jqXHR will be passed in case of error
197251
*/
198252
forcetk.Client.prototype.retrieve = function(objtype, id, fieldlist, callback, error) {
199-
this.ajax('/' + this.apiVersion + '/sobjects/' + objtype + '/' + id
253+
this.ajax('/' + this.apiVersion + '/sobjects/' + objtype + '/' + id
200254
+ '?fields=' + fieldlist, callback, error);
201255
}
202256

‎mobile.html

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -50,7 +50,7 @@
5050

5151
// We'll get an instance of the REST API client in a callback after we do
5252
// OAuth
53-
var client = null;
53+
var client = new forcetk.Client(clientId, loginUrl, proxyUrl);;
5454

5555
// We use $j rather than $ for jQuery
5656
if (window.$j === undefined) {
@@ -83,8 +83,8 @@
8383
responseText: 'No OAuth response'
8484
});
8585
} else {
86-
client = new forcetk.Client(oauthResponse.access_token, null,
87-
oauthResponse.instance_url, proxyUrl);
86+
client.setSessionToken(oauthResponse.access_token, null,
87+
oauthResponse.instance_url);
8888

8989
addClickListeners();
9090

‎mobile.page

Lines changed: 11 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -40,28 +40,22 @@ an HTML5 mobile app using jQuery Mobile
4040
<title>Accounts</title>
4141
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
4242
<!--
43-
For development, you may want to load jQuery/jQuery Mobile from their CDN.
43+
You must download jQuery and jQuery Mobile and put them in a
44+
static resource bundle like this to be able to correctly control ordering
45+
of JS includes.
4446
-->
45-
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.0a4/jquery.mobile-1.0a4.min.css" />
46-
<script type="text/javascript" src="http://code.jquery.com/jquery-1.5.2.min.js"></script>
47-
<script type="text/javascript" src="http://code.jquery.com/mobile/1.0a4/jquery.mobile-1.0a4.min.js"></script>
48-
<!--
49-
Alternatively, you could download jQuery and jQuery Mobile, and put them in a
50-
static resource bundle like this. Don't forget the images for the CSS!
51-
<apex:stylesheet value="{!URLFOR($Resource.static, '/mobile/jquery.mobile-1.0a4.min.css')}" />
52-
<apex:includeScript value="{!URLFOR($Resource.static, '/jquery-1.5.2.min.js')}" />
53-
<apex:includeScript value="{!URLFOR($Resource.static, '/mobile/jquery.mobile-1.0a4.min.js')}" />
54-
-->
55-
<apex:includeScript
56-
value="{!URLFOR($Resource.sample, 'forcetk.js')}" />
57-
<apex:includeScript
58-
value="{!URLFOR($Resource.sample, 'mobileapp.js')}" />
47+
<apex:stylesheet value="{!URLFOR($Resource.static, 'static/jquery.mobile-1.0a4.min.css')}" />
48+
<apex:includeScript value="{!URLFOR($Resource.static, 'static/jquery-1.5.2.min.js')}" />
49+
<apex:includeScript value="{!URLFOR($Resource.static, 'static/jquery.mobile-1.0a4.min.js')}" />
50+
<apex:includeScript value="{!URLFOR($Resource.sample, 'forcetk.js')}" />
51+
<apex:includeScript value="{!URLFOR($Resource.sample, 'mobileapp.js')}" />
5952
<script type="application/javascript">
6053
// Get a reference to jQuery that we can work with
6154
$j = jQuery.noConflict();
6255

63-
// Get an instance of the REST API client
64-
var client = new forcetk.Client('{!$Api.Session_ID}');
56+
// Get an instance of the REST API client and set the session ID
57+
var client = new forcetk.Client();
58+
client.setSessionToken('{!$Api.Session_ID}');
6559

6660
// Kick things off...
6761
$j(document).ready(function(){

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