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Jerry CainJerry Cain
Jerry Cain
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Jerry Cain
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Adding support for the JS cookie and its use in the PHP SDK
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-12
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3 files changed

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‎readme.md

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -70,3 +70,8 @@ We are including this in the open source repository to assure you of our
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commitment to quality, but also with the hopes that you will contribute back to
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help keep it stable. The easiest way to do so is to file bugs and include a
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test case.
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The tests can be executed by using this command from the base directory:
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phpunit --stderr --bootstrap tests/bootstrap.php tests/tests.php
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‎src/base_facebook.php

Lines changed: 28 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -120,7 +120,7 @@ abstract class BaseFacebook
120120
/**
121121
* Version.
122122
*/
123-
const VERSION = '3.0.1';
123+
const VERSION = '3.1.0';
124124

125125
/**
126126
* Default options for curl.
@@ -129,7 +129,7 @@ abstract class BaseFacebook
129129
CURLOPT_CONNECTTIMEOUT => 10,
130130
CURLOPT_RETURNTRANSFER => true,
131131
CURLOPT_TIMEOUT => 60,
132-
CURLOPT_USERAGENT => 'facebook-php-3.0',
132+
CURLOPT_USERAGENT => 'facebook-php-3.1',
133133
);
134134

135135
/**
@@ -372,15 +372,19 @@ protected function getUserAccessToken() {
372372
}
373373

374374
/**
375-
* Get the data from a signed_request token.
375+
* Retrieve the signed request, either from a request parameter or,
376+
* if not present, from a cookie.
376377
*
377-
* @return string The base domain
378+
* @return string the signed request, if available, or null otherwise.
378379
*/
379380
public function getSignedRequest() {
380381
if (!$this->signedRequest) {
381382
if (isset($_REQUEST['signed_request'])) {
382383
$this->signedRequest = $this->parseSignedRequest(
383384
$_REQUEST['signed_request']);
385+
} else if (isset($_COOKIE[$this->getSignedRequestCookieName()])) {
386+
$this->signedRequest = $this->parseSignedRequest(
387+
$_COOKIE[$this->getSignedRequestCookieName()]);
384388
}
385389
}
386390
return $this->signedRequest;
@@ -461,6 +465,13 @@ protected function getUserFromAvailableData() {
461465
public function getLoginUrl($params=array()) {
462466
$this->establishCSRFTokenState();
463467
$currentUrl = $this->getCurrentUrl();
468+
469+
// if 'scope' is passed as an array, convert to comma separated list
470+
$scopeParams = isset($params['scope']) ? $params['scope'] : null;
471+
if ($scopeParams && is_array($scopeParams)) {
472+
$params['scope'] = implode(',', $scopeParams);
473+
}
474+
464475
return $this->getUrl(
465476
'www',
466477
'dialog/oauth',
@@ -530,6 +541,19 @@ public function api(/* polymorphic */) {
530541
}
531542
}
532543

544+
/**
545+
* Constructs and returns the name of the cookie that
546+
* potentially houses the signed request for the app user.
547+
* The cookie is not set by the BaseFacebook class, but
548+
* it may be set by the JavaScript SDK.
549+
*
550+
* @return string the name of the cookie that would house
551+
* the signed request value.
552+
*/
553+
protected function getSignedRequestCookieName() {
554+
return 'fbsr_'.$this->getAppId();
555+
}
556+
533557
/**
534558
* Get the authorization code from the query parameters, if it exists,
535559
* and otherwise return false to signal no authorization code was

‎tests/tests.php

Lines changed: 87 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,7 @@ class PHPSDKTestCase extends PHPUnit_Framework_TestCase {
2525
private static $kExpiredAccessToken = '206492729383450|2.N4RKywNPuHAey7CK56_wmg__.3600.1304560800.1-214707|6Q14AfpYi_XJB26aRQumouzJiGA';
2626
private static $kValidSignedRequest = '1sxR88U4SW9m6QnSxwCEw_CObqsllXhnpP5j2pxD97c.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsImV4cGlyZXMiOjEyODEwNTI4MDAsIm9hdXRoX3Rva2VuIjoiMTE3NzQzOTcxNjA4MTIwfDIuVlNUUWpub3hYVVNYd1RzcDB1U2g5d19fLjg2NDAwLjEyODEwNTI4MDAtMTY3Nzg0NjM4NXx4NURORHBtcy1nMUM0dUJHQVYzSVdRX2pYV0kuIiwidXNlcl9pZCI6IjE2Nzc4NDYzODUifQ';
2727
private static $kNonTosedSignedRequest = 'c0Ih6vYvauDwncv0n0pndr0hP0mvZaJPQDPt6Z43O0k.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiJ9';
28+
private static $kSignedRequestWithBogusSignature = '1sxR32U4SW9m6QnSxwCEw_CObqsllXhnpP5j2pxD97c.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsImV4cGlyZXMiOjEyODEwNTI4MDAsIm9hdXRoX3Rva2VuIjoiMTE3NzQzOTcxNjA4MTIwfDIuVlNUUWpub3hYVVNYd1RzcDB1U2g5d19fLjg2NDAwLjEyODEwNTI4MDAtMTY3Nzg0NjM4NXx4NURORHBtcy1nMUM0dUJHQVYzSVdRX2pYV0kuIiwidXNlcl9pZCI6IjE2Nzc4NDYzODUifQ';
2829

2930
public function testConstructor() {
3031
$facebook = new TransientFacebook(array(
@@ -183,6 +184,39 @@ public function testGetLoginURLWithExtraParams() {
183184
$this->assertEquals(strlen($query_map['state']), $num_characters = 32);
184185
}
185186

187+
public function testGetLoginURLWithScopeParamsAsArray() {
188+
$facebook = new Facebook(array(
189+
'appId' => self::APP_ID,
190+
'secret' => self::SECRET,
191+
));
192+
193+
// fake the HPHP $_SERVER globals
194+
$_SERVER['HTTP_HOST'] = 'www.test.com';
195+
$_SERVER['REQUEST_URI'] = '/unit-tests.php';
196+
$scope_params_as_array = array('email','sms','read_stream');
197+
$extra_params = array('scope' => $scope_params_as_array,
198+
'nonsense' => 'nonsense');
199+
$login_url = parse_url($facebook->getLoginUrl($extra_params));
200+
$this->assertEquals($login_url['scheme'], 'https');
201+
$this->assertEquals($login_url['host'], 'www.facebook.com');
202+
$this->assertEquals($login_url['path'], '/dialog/oauth');
203+
// expect api to flatten array params to comma separated list
204+
// should do the same here before asserting to make sure API is behaving
205+
// correctly;
206+
$extra_params['scope'] = implode(',', $scope_params_as_array);
207+
$expected_login_params =
208+
array_merge(
209+
array('client_id' => self::APP_ID,
210+
'redirect_uri' => 'http://www.test.com/unit-tests.php'),
211+
$extra_params);
212+
$query_map = array();
213+
parse_str($login_url['query'], $query_map);
214+
$this->assertIsSubset($expected_login_params, $query_map);
215+
// we don't know what the state is, but we know it's an md5 and should
216+
// be 32 characters long.
217+
$this->assertEquals(strlen($query_map['state']), $num_characters = 32);
218+
}
219+
186220
public function testGetCodeWithValidCSRFState() {
187221
$facebook = new FBCode(array(
188222
'appId' => self::APP_ID,
@@ -234,6 +268,30 @@ public function testGetUserFromSignedRequest() {
234268
'Failed to get user ID from a valid signed request.');
235269
}
236270

271+
public function testGetSignedRequestFromCookie() {
272+
$facebook = new FBGetSignedRequestCookieFacebook(array(
273+
'appId' => self::APP_ID,
274+
'secret' => self::SECRET,
275+
));
276+
277+
$_COOKIE[$facebook->publicGetSignedRequestCookieName()] =
278+
self::$kValidSignedRequest;
279+
$this->assertNotNull($facebook->publicGetSignedRequest());
280+
$this->assertEquals('1677846385', $facebook->getUser(),
281+
'Failed to get user ID from a valid signed request.');
282+
}
283+
284+
public function testGetSignedRequestWithIncorrectSignature() {
285+
$facebook = new FBGetSignedRequestCookieFacebook(array(
286+
'appId' => self::APP_ID,
287+
'secret' => self::SECRET,
288+
));
289+
290+
$_COOKIE[$facebook->publicGetSignedRequestCookieName()] =
291+
self::$kSignedRequestWithBogusSignature;
292+
$this->assertNull($facebook->publicGetSignedRequest());
293+
}
294+
237295
public function testNonUserAccessToken() {
238296
$facebook = new FBAccessToken(array(
239297
'appId' => self::APP_ID,
@@ -350,7 +408,7 @@ public function testGraphAPIMethod() {
350408
} catch(FacebookApiException $e) {
351409
// ProfileDelete means the server understood the DELETE
352410
$msg =
353-
'OAuthException: An access token is required to request this resource.';
411+
'OAuthException: A user access token is required to request this resource.';
354412
$this->assertEquals($msg, (string) $e,
355413
'Expect the invalid session message.');
356414
}
@@ -426,13 +484,24 @@ public function testGraphAPIWithOnlyParams() {
426484
'secret' => self::SECRET,
427485
));
428486

429-
$response = $facebook->api('/331218348435/feed',
430-
array('limit' => 1, 'access_token' => ''));
431-
$this->assertEquals(1, count($response['data']), 'should get one entry');
432-
$this->assertTrue(
433-
strpos($response['paging']['next'], 'limit=1') !== false,
434-
'expect the same limit back in the paging urls'
435-
);
487+
$response = $facebook->api('/jerry');
488+
$this->assertTrue(isset($response['id']),
489+
'User ID should be public.');
490+
$this->assertTrue(isset($response['name']),
491+
'User\'s name should be public.');
492+
$this->assertTrue(isset($response['first_name']),
493+
'User\'s first name should be public.');
494+
$this->assertTrue(isset($response['last_name']),
495+
'User\'s last name should be public.');
496+
$this->assertFalse(isset($response['work']),
497+
'User\'s work history should only be available with '.
498+
'a valid access token.');
499+
$this->assertFalse(isset($response['education']),
500+
'User\'s education history should only be '.
501+
'available with a valid access token.');
502+
$this->assertFalse(isset($response['verified']),
503+
'User\'s verification status should only be '.
504+
'available with a valid access token.');
436505
}
437506

438507
public function testLoginURLDefaults() {
@@ -839,3 +908,13 @@ public function publicGetCurrentUrl() {
839908
return $this->getCurrentUrl();
840909
}
841910
}
911+
912+
class FBGetSignedRequestCookieFacebook extends TransientFacebook {
913+
public function publicGetSignedRequest() {
914+
return $this->getSignedRequest();
915+
}
916+
917+
public function publicGetSignedRequestCookieName() {
918+
return $this->getSignedRequestCookieName();
919+
}
920+
}

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