Completed
Push — fix/prevent-modules-overwrite ( c3826b...9882d9 )
by
unknown
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created

Jetpack_User_Agent_Info::is_android()   A

Complexity

Conditions 6
Paths 4

Size

Total Lines 15

Duplication

Lines 15
Ratio 100 %

Importance

Changes 0
Metric Value
cc 6
nc 4
nop 0
dl 15
loc 15
rs 9.2222
c 0
b 0
f 0
1
<?php
2
3
/**
4
 * Determine if the current User Agent matches the passed $kind
5
 *
6
 * @param string $kind Category of mobile device to check for.
7
 *                         Either: any, dumb, smart.
8
 * @param bool   $return_matched_agent Boolean indicating if the UA should be returned
9
 *
10
 * @return bool|string Boolean indicating if current UA matches $kind. If
11
 *                              $return_matched_agent is true, returns the UA string
12
 */
13
function jetpack_is_mobile( $kind = 'any', $return_matched_agent = false ) {
14
	static $kinds         = array( 'smart' => false, 'dumb' => false, 'any' => false );
15
	static $first_run     = true;
16
	static $matched_agent = '';
17
18
	// If an invalid kind is passed in, reset it to default.
19
	if ( ! isset( $kinds[ $kind ] ) ) {
20
			$kind = 'any';
21
	}
22
23
	if ( function_exists( 'apply_filters' ) ) {
24
		/**
25
		 * Filter the value of jetpack_is_mobile before it is calculated.
26
		 *
27
		 * Passing a truthy value to the filter will short-circuit determining the
28
		 * mobile type, returning the passed value instead.
29
		 *
30
		 * @since  4.2.0
31
		 *
32
		 * @param bool|string $matches Boolean if current UA matches $kind or not. If
33
		 *                             $return_matched_agent is true, should return the UA string
34
		 * @param string      $kind Category of mobile device being checked
35
		 * @param bool        $return_matched_agent Boolean indicating if the UA should be returned
36
		 */
37
		$pre = apply_filters( 'pre_jetpack_is_mobile', null, $kind, $return_matched_agent );
38
39
		if ( null !== $pre ) {
40
			return $pre;
41
		}
42
	}
43
44
	$ua_info = new Jetpack_User_Agent_Info();
45
46
	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) || strpos( strtolower( $_SERVER['HTTP_USER_AGENT'] ), 'ipad' ) ) {
47
		return false;
48
	}
49
50
	// Remove Samsung Galaxy tablets (SCH-I800) from being mobile devices
51
	if ( strpos( strtolower( $_SERVER['HTTP_USER_AGENT'] ) , 'sch-i800') ) {
52
		return false;
53
	}
54
55
	if( $ua_info->is_android_tablet() &&  false === $ua_info->is_kindle_touch() ) {
56
		return false;
57
	}
58
59
	if( $ua_info->is_blackberry_tablet() ) {
60
		return false;
61
	}
62
63
	if ( $first_run ) {
64
		$first_run = false;
65
66
		//checks for iPhoneTier devices & RichCSS devices
67
		if ( $ua_info->isTierIphone() || $ua_info->isTierRichCSS() ) {
68
			$kinds['smart'] = true;
69
			$matched_agent  = $ua_info->matched_agent;
70
		}
71
72
		if ( ! $kinds['smart'] ) {
73
			// if smart, we are not dumb so no need to check
74
			$dumb_agents = $ua_info->dumb_agents;
75
			$agent       = strtolower( $_SERVER['HTTP_USER_AGENT'] );
76
77
			foreach ( $dumb_agents as $dumb_agent ) {
78
				if ( false !== strpos( $agent, $dumb_agent ) ) {
79
					$kinds['dumb'] = true;
80
					$matched_agent = $dumb_agent;
81
82
					break;
83
				}
84
			}
85
86
			if ( ! $kinds['dumb'] ) {
87
				if ( isset( $_SERVER['HTTP_X_WAP_PROFILE'] ) ) {
88
					$kinds['dumb'] = true;
89
					$matched_agent = 'http_x_wap_profile';
90
				} elseif ( isset( $_SERVER['HTTP_ACCEPT']) && ( preg_match( '/wap\.|\.wap/i', $_SERVER['HTTP_ACCEPT'] ) || false !== strpos( strtolower( $_SERVER['HTTP_ACCEPT'] ), 'application/vnd.wap.xhtml+xml' ) ) ) {
91
					$kinds['dumb'] = true;
92
					$matched_agent = 'vnd.wap.xhtml+xml';
93
				}
94
			}
95
		}
96
97
		if ( $kinds['dumb'] || $kinds['smart'] ) {
98
			$kinds['any'] = true;
99
		}
100
	}
101
102
	$value = $kinds[ $kind ];
103
104
	if ( $return_matched_agent ) {
105
		$value = $matched_agent;
106
	}
107
108
	if ( function_exists( 'apply_filters' ) ) {
109
		/**
110
		 * Filter the value of jetpack_is_mobile
111
		 *
112
		 * @since  4.2.0
113
		 *
114
		 * @param bool|string $matches Boolean if current UA matches $kind or not. If
115
		 *                             $return_matched_agent is true, should return the UA string
116
		 * @param string      $kind Category of mobile device being checked
117
		 * @param bool        $return_matched_agent Boolean indicating if the UA should be returned
118
		 */
119
		$value = apply_filters( 'jetpack_is_mobile', $value, $kind, $return_matched_agent );
120
	}
121
122
	return $value;
123
}
124
125
class Jetpack_User_Agent_Info {
126
127
	public $useragent;
128
	public $matched_agent;
129
	public $isTierIphone; //Stores whether is the iPhone tier of devices.
130
	public $isTierRichCss; //Stores whether the device can probably support Rich CSS, but JavaScript (jQuery) support is not assumed.
131
	public $isTierGenericMobile; //Stores whether it is another mobile device, which cannot be assumed to support CSS or JS (eg, older BlackBerry, RAZR)
132
133
    private $_platform = null; //Stores the device platform name
134
	const PLATFORM_WINDOWS 			= 'windows';
135
	const PLATFORM_IPHONE 			= 'iphone';
136
	const PLATFORM_IPOD 			= 'ipod';
137
	const PLATFORM_IPAD 			= 'ipad';
138
	const PLATFORM_BLACKBERRY 		= 'blackberry';
139
	const PLATFORM_BLACKBERRY_10 	= 'blackberry_10';
140
	const PLATFORM_SYMBIAN			= 'symbian_series60';
141
	const PLATFORM_SYMBIAN_S40		= 'symbian_series40';
142
	const PLATFORM_J2ME_MIDP		= 'j2me_midp';
143
	const PLATFORM_ANDROID 			= 'android';
144
	const PLATFORM_ANDROID_TABLET	= 'android_tablet';
145
	const PLATFORM_FIREFOX_OS		= 'firefoxOS';
146
147
	public $dumb_agents = array(
148
		'nokia', 'blackberry', 'philips', 'samsung', 'sanyo', 'sony', 'panasonic', 'webos',
149
		'ericsson', 'alcatel', 'palm',
150
		'windows ce', 'opera mini', 'series60', 'series40',
151
		'au-mic,', 'audiovox', 'avantgo', 'blazer',
152
		'danger', 'docomo', 'epoc',
153
		'ericy', 'i-mode', 'ipaq',  'midp-',
154
		'mot-', 'netfront', 'nitro',
155
		'palmsource',  'pocketpc', 'portalmmm',
156
		'rover', 'sie-',
157
		'symbian', 'cldc-', 'j2me',
158
		'smartphone', 'up.browser', 'up.link',
159
		'up.link', 'vodafone/', 'wap1.', 'wap2.', 'mobile', 'googlebot-mobile',
160
	);
161
162
   //The constructor. Initializes default variables.
163
   function __construct()
164
   {
165
   		if ( !empty( $_SERVER['HTTP_USER_AGENT'] ) )
166
       		$this->useragent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
167
   }
168
169
   /**
170
    * This method detects the mobile User Agent name.
171
    *
172
    * @return string The matched User Agent name, false otherwise.
173
    */
174
   function get_mobile_user_agent_name() {
175
   		if( $this->is_chrome_for_iOS( ) ) //keep this check before the safari rule
176
   			return 'chrome-for-ios';
177
	   	elseif ( $this->is_iphone_or_ipod( 'iphone-safari' ) )
178
	 	  	return  'iphone';
179
	   	elseif ( $this->is_ipad( 'ipad-safari' ) )
180
	   		return 'ipad';
181
	   	elseif ( $this->is_android_tablet() ) //keep this check before the android rule
182
	   		return 'android_tablet';
183
	   	elseif ( $this->is_android() )
184
	   		return 'android';
185
	   	elseif ( $this->is_blackberry_10() )
186
	   		return 'blackberry_10';
187
	   	elseif ( $this->is_blackbeberry() )
188
	   		return 'blackberry';
189
	   	elseif ( $this->is_WindowsPhone7() )
190
	   		return 'win7';
191
	   	elseif ( $this->is_windows_phone_8() )
192
	   		return 'winphone8';
193
	   	elseif ( $this->is_opera_mini() )
194
	   		return 'opera-mini';
195
		elseif ( $this->is_opera_mini_dumb() )
196
	   		return 'opera-mini-dumb';
197
	   	elseif ( $this->is_opera_mobile() )
198
	   		return 'opera-mobi';
199
	   	elseif ( $this->is_blackberry_tablet() )
200
	   		return 'blackberry_tablet';
201
	   	elseif ( $this->is_kindle_fire() )
202
	   		return 'kindle-fire';
203
	   	elseif ( $this->is_PalmWebOS() )
204
	   		return 'webos';
205
	   	elseif ( $this->is_S60_OSSBrowser() )
206
	   		return 'series60';
207
	   	elseif ( $this->is_firefox_os() )
208
	   	   	return 'firefoxOS';
209
	   	elseif ( $this->is_firefox_mobile() )
210
	   		return 'firefox_mobile';
211
	   	elseif ( $this->is_MaemoTablet() )
212
	   		return 'maemo';
213
		elseif ( $this->is_MeeGo() )
214
	   		return 'meego';
215
	   	elseif( $this->is_TouchPad() )
216
	   		return 'hp_tablet';
217
	    elseif ( $this->is_facebook_for_iphone() )
218
 	  		return  'facebook-for-iphone';
219
 	  	elseif ( $this->is_facebook_for_ipad() )
220
 	  		return  'facebook-for-ipad';
221
   		elseif ( $this->is_twitter_for_iphone() )
222
 	  		return  'twitter-for-iphone';
223
 	  	elseif ( $this->is_twitter_for_ipad() )
224
 	  		return  'twitter-for-ipad';
225
 	  	elseif ( $this->is_wordpress_for_ios() )
226
 	  		return  'ios-app';
227
	   	elseif ( $this->is_iphone_or_ipod( 'iphone-not-safari' ) )
228
	 	  	return  'iphone-unknown';
229
	   	elseif ( $this->is_ipad( 'ipad-not-safari' ) )
230
	   		return 'ipad-unknown';
231
	   	elseif ( $this->is_Nintendo_3DS() )
232
	   		return 'nintendo-3ds';
233
	   	else {
234
	   		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
235
	   		$dumb_agents = $this->dumb_agents;
236
	   		foreach ( $dumb_agents as $dumb_agent ) {
237
	   			if ( false !== strpos( $agent, $dumb_agent ) ) {
238
	   				return $dumb_agent;
239
	   			}
240
	   		}
241
	   	}
242
243
	   	return false;
244
   }
245
246
   /**
247
    * This method detects the mobile device's platform. All return strings are from the class constants.
248
    * Note that this function returns the platform name, not the UA name/type. You should use a different function
249
    * if you need to test the UA capabilites.
250
    *
251
    * @return string Name of the platform, false otherwise.
252
    */
253
   public function get_platform() {
254
   	if ( isset( $this->_platform ) ) {
255
   		return $this->_platform;
256
   	}
257
258
    if ( strpos( $this->useragent, 'windows phone' ) !== false ) {
259
   		$this->_platform = self::PLATFORM_WINDOWS;
260
   	}
261
   	elseif ( strpos( $this->useragent, 'windows ce' ) !== false ) {
262
   		$this->_platform = self::PLATFORM_WINDOWS;
263
   	}
264
   	elseif ( strpos( $this->useragent, 'ipad' ) !== false ) {
265
   		$this->_platform = self::PLATFORM_IPAD;
266
   	}
267
   	else if ( strpos( $this->useragent, 'ipod' ) !== false ) {
268
   		$this->_platform = self::PLATFORM_IPOD;
269
   	}
270
   	else if ( strpos( $this->useragent, 'iphone' ) !== false ) {
271
   		$this->_platform = self::PLATFORM_IPHONE;
272
   	}
273
   	elseif ( strpos( $this->useragent, 'android' ) !== false ) {
274
   	 if ( $this->is_android_tablet() )
275
   		 $this->_platform = self::PLATFORM_ANDROID_TABLET;
276
   	 else
277
   		$this->_platform = self::PLATFORM_ANDROID;
278
   	}
279
    elseif ( $this->is_kindle_fire() ) {
280
   		$this->_platform = self::PLATFORM_ANDROID_TABLET;
281
   	}
282
   	elseif ( $this->is_blackberry_10() ) {
283
   		$this->_platform = self::PLATFORM_BLACKBERRY_10;
284
   	}
285
   	elseif ( strpos( $this->useragent, 'blackberry' ) !== false ) {
286
   		$this->_platform = self::PLATFORM_BLACKBERRY;
287
   	}
288
   	elseif ( $this->is_blackberry_tablet() ) {
289
   		$this->_platform = self::PLATFORM_BLACKBERRY;
290
   	}
291
    elseif ( $this->is_symbian_platform() ) {
292
   		$this->_platform = self::PLATFORM_SYMBIAN;
293
   	}
294
    elseif ( $this->is_symbian_s40_platform() ) {
295
   		$this->_platform = self::PLATFORM_SYMBIAN_S40;
296
   	}
297
    elseif ( $this->is_J2ME_platform() ) {
298
   		$this->_platform = self::PLATFORM_J2ME_MIDP;
299
   	}
300
   	elseif ( $this->is_firefox_os() ) {
301
   		$this->_platform = self::PLATFORM_FIREFOX_OS;
302
   	}
303
   	else
304
   		$this->_platform = false;
305
306
   		return $this->_platform;
307
   }
308
309
	/*
310
	 * This method detects for UA which can display iPhone-optimized web content.
311
	 * Includes iPhone, iPod Touch, Android, WebOS, Fennec (Firefox mobile), etc.
312
	 *
313
	 */
314
	function isTierIphone() {
315
		if ( isset( $this->isTierIphone ) ) {
316
			return $this->isTierIphone;
317
		}
318
		if ( $this->is_iphoneOrIpod() ) {
319
			$this->matched_agent = 'iphone';
320
			$this->isTierIphone = true;
321
			$this->isTierRichCss = false;
322
			$this->isTierGenericMobile = false;
323
		}
324 View Code Duplication
		elseif ( $this->is_android() ) {
325
			$this->matched_agent = 'android';
326
			$this->isTierIphone = true;
327
			$this->isTierRichCss = false;
328
			$this->isTierGenericMobile = false;
329
		}
330
		elseif ( $this->is_windows_phone_8() ) {
331
			$this->matched_agent = 'winphone8';
332
			$this->isTierIphone = true;
333
			$this->isTierRichCss = false;
334
			$this->isTierGenericMobile = false;
335
		}
336 View Code Duplication
		elseif ( $this->is_WindowsPhone7() ) {
337
			$this->matched_agent = 'win7';
338
			$this->isTierIphone = true;
339
			$this->isTierRichCss = false;
340
			$this->isTierGenericMobile = false;
341
		}
342
		elseif ( $this->is_blackberry_10() ) {
343
			$this->matched_agent = 'blackberry-10';
344
			$this->isTierIphone = true;
345
			$this->isTierRichCss = false;
346
			$this->isTierGenericMobile = false;
347
		}
348 View Code Duplication
		elseif ( $this->is_blackbeberry() && $this->detect_blackberry_browser_version() == 'blackberry-webkit' ) {
349
			$this->matched_agent = 'blackberry-webkit';
350
			$this->isTierIphone = true;
351
			$this->isTierRichCss = false;
352
			$this->isTierGenericMobile = false;
353
		}
354
		elseif ( $this->is_blackberry_tablet() ) {
355
			$this->matched_agent = 'blackberry_tablet';
356
			$this->isTierIphone = true;
357
			$this->isTierRichCss = false;
358
			$this->isTierGenericMobile = false;
359
		}
360 View Code Duplication
		elseif ( $this->is_PalmWebOS() ) {
361
			$this->matched_agent = 'webos';
362
			$this->isTierIphone = true;
363
			$this->isTierRichCss = false;
364
			$this->isTierGenericMobile = false;
365
		}
366
		elseif ( $this->is_TouchPad() ) {
367
			$this->matched_agent = 'hp_tablet';
368
			$this->isTierIphone = true;
369
			$this->isTierRichCss = false;
370
			$this->isTierGenericMobile = false;
371
		}
372 View Code Duplication
		elseif ( $this->is_firefox_os() ) {
373
			$this->matched_agent = 'firefoxOS';
374
			$this->isTierIphone = true;
375
			$this->isTierRichCss = false;
376
			$this->isTierGenericMobile = false;
377
		}
378
		elseif ( $this->is_firefox_mobile() ) {
379
			$this->matched_agent = 'fennec';
380
			$this->isTierIphone = true;
381
			$this->isTierRichCss = false;
382
			$this->isTierGenericMobile = false;
383
		}
384 View Code Duplication
		elseif ( $this->is_opera_mobile() ) {
385
			$this->matched_agent = 'opera-mobi';
386
			$this->isTierIphone = true;
387
			$this->isTierRichCss = false;
388
			$this->isTierGenericMobile = false;
389
		}
390
		elseif ( $this->is_MaemoTablet() ) {
391
			$this->matched_agent = 'maemo';
392
			$this->isTierIphone = true;
393
			$this->isTierRichCss = false;
394
			$this->isTierGenericMobile = false;
395
		}
396 View Code Duplication
		elseif ( $this->is_MeeGo() ) {
397
			$this->matched_agent = 'meego';
398
			$this->isTierIphone = true;
399
			$this->isTierRichCss = false;
400
			$this->isTierGenericMobile = false;
401
		}
402
		elseif ( $this->is_kindle_touch() ) {
403
			$this->matched_agent = 'kindle-touch';
404
			$this->isTierIphone = true;
405
			$this->isTierRichCss = false;
406
			$this->isTierGenericMobile = false;
407
		}
408 View Code Duplication
		elseif ( $this->is_Nintendo_3DS() ) {
409
			$this->matched_agent = 'nintendo-3ds';
410
			$this->isTierIphone = true;
411
			$this->isTierRichCss = false;
412
			$this->isTierGenericMobile = false;
413
		}
414
		else {
415
			$this->isTierIphone = false;
416
		}
417
		return $this->isTierIphone;
418
	}
419
420
	/*
421
	 * This method detects for UA which are likely to be capable
422
	 * but may not necessarily support JavaScript.
423
	 * Excludes all iPhone Tier UA.
424
	 *
425
	 */
426
	function isTierRichCss(){
427
		if ( isset( $this->isTierRichCss ) ) {
428
			return $this->isTierRichCss;
429
		}
430
		if ($this->isTierIphone())
431
		return false;
432
433
		//The following devices are explicitly ok.
434
		if ( $this->is_S60_OSSBrowser() ) {
435
			$this->matched_agent = 'series60';
436
			$this->isTierIphone = false;
437
			$this->isTierRichCss = true;
438
			$this->isTierGenericMobile = false;
439
		}
440 View Code Duplication
		elseif ( $this->is_opera_mini() ) {
441
			$this->matched_agent = 'opera-mini';
442
			$this->isTierIphone = false;
443
			$this->isTierRichCss = true;
444
			$this->isTierGenericMobile = false;
445
		}
446
		elseif ( $this->is_blackbeberry() ) {
447
			$detectedDevice = $this->detect_blackberry_browser_version();
448
			if ( $detectedDevice === 'blackberry-5' || $detectedDevice == 'blackberry-4.7' || $detectedDevice === 'blackberry-4.6' ) {
449
				$this->matched_agent = $detectedDevice;
450
				$this->isTierIphone = false;
451
				$this->isTierRichCss = true;
452
				$this->isTierGenericMobile = false;
453
			}
454
		}
455
		else {
456
			$this->isTierRichCss = false;
457
		}
458
459
		return $this->isTierRichCss;
460
	}
461
462
	// Detects if the user is using a tablet.
463
	// props Corey Gilmore, BGR.com
464
	static function is_tablet() {
465
		return ( 0 // never true, but makes it easier to manage our list of tablet conditions
466
				||  self::is_ipad()
467
				||  self::is_android_tablet()
468
				||  self::is_blackberry_tablet()
469
				||  self::is_kindle_fire()
470
				||  self::is_MaemoTablet()
471
				||  self::is_TouchPad()
472
		);
473
	}
474
475
	/*
476
	 *  Detects if the current UA is the default iPhone or iPod Touch Browser.
477
	 *
478
	 *  DEPRECATED: use is_iphone_or_ipod
479
	 *
480
	 */
481
	static function is_iphoneOrIpod(){
482
483
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
484
			return false;
485
486
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
487 View Code Duplication
		if ( ( strpos( $ua, 'iphone' ) !== false ) || ( strpos( $ua,'ipod' ) !== false ) ) {
488
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
489
	   			return false;
490
	   		else
491
	   			return true;
492
		}
493
		else
494
			return false;
495
	}
496
497
498
	/*
499
	 *  Detects if the current UA is iPhone Mobile Safari or another iPhone or iPod Touch Browser.
500
	 *
501
	 *  They type can check for any iPhone, an iPhone using Safari, or an iPhone using something other than Safari.
502
	 *
503
	 *  Note: If you want to check for Opera mini, Opera mobile or Firefox mobile (or any 3rd party iPhone browser),
504
	 *  you should put the check condition before the check for 'iphone-any' or 'iphone-not-safari'.
505
	 *  Otherwise those browsers will be 'catched' by the iphone string.
506
	 *
507
	 */
508
	static function is_iphone_or_ipod( $type = 'iphone-any' ) {
509
510
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
511
			return false;
512
513
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
514
		$is_iphone = ( strpos( $ua, 'iphone' ) !== false ) || ( strpos( $ua,'ipod' ) !== false );
515
		$is_safari = ( false !== strpos( $ua, 'safari' ) );
516
517
		if ( 'iphone-safari' == $type )
518
			return $is_iphone && $is_safari;
519
		elseif ( 'iphone-not-safari' == $type )
520
			return $is_iphone && !$is_safari;
521
		else
522
			return $is_iphone;
523
	}
524
525
526
	/*
527
	*  Detects if the current UA is Chrome for iOS
528
	*
529
	*  The User-Agent string in Chrome for iOS is the same as the Mobile Safari User-Agent, with CriOS/<ChromeRevision> instead of Version/<VersionNum>.
530
	*  - Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_1_1 like Mac OS X; en) AppleWebKit/534.46.0 (KHTML, like Gecko) CriOS/19.0.1084.60 Mobile/9B206 Safari/7534.48.3
531
	*/
532
	static function is_chrome_for_iOS( ) {
533
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
534
			return false;
535
536
		if ( self::is_iphone_or_ipod( 'iphone-safari' ) === false ) return false;
537
538
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
539
540
		if ( strpos( $ua, 'crios/' ) !== false )
541
			return true;
542
		else
543
			return false;
544
	}
545
546
547
	/*
548
	 *  Detects if the current UA is Twitter for iPhone
549
	 *
550
	 * Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; nb-no) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8L1 Twitter for iPhone
551
	 * Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 Twitter for iPhone
552
	 *
553
	 */
554
	static function is_twitter_for_iphone( ) {
555
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
556
			return false;
557
558
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
559
560
		if ( strpos( $ua, 'ipad' ) !== false )
561
			return false;
562
563
		if ( strpos( $ua, 'twitter for iphone' ) !== false )
564
			return true;
565
		else
566
			return false;
567
	}
568
569
	/*
570
	 * Detects if the current UA is Twitter for iPad
571
	 *
572
	 * Old version 4.X - Mozilla/5.0 (iPad; U; CPU OS 4_3_5 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8L1 Twitter for iPad
573
	 * Ver 5.0 or Higher - Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 Twitter for iPhone
574
	 *
575
	 */
576 View Code Duplication
	static function is_twitter_for_ipad( ) {
577
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
578
			return false;
579
580
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
581
582
		if ( strpos( $ua, 'twitter for ipad' ) !== false )
583
			return true;
584
		elseif( strpos( $ua, 'ipad' ) !== false && strpos( $ua, 'twitter for iphone' ) !== false )
585
			return true;
586
		else
587
			return false;
588
	}
589
590
591
	/*
592
	 * Detects if the current UA is Facebook for iPhone
593
	 * - Facebook 4020.0 (iPhone; iPhone OS 5.0.1; fr_FR)
594
	 * - Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_0 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.0.2;FBBV/4020.0;FBDV/iPhone3,1;FBMD/iPhone;FBSN/iPhone OS;FBSV/5.0;FBSS/2; FBCR/O2;FBID/phone;FBLC/en_US;FBSF/2.0]
595
	 * - Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9B206 [FBAN/FBIOS;FBAV/5.0;FBBV/47423;FBDV/iPhone3,1;FBMD/iPhone;FBSN/iPhone OS;FBSV/5.1.1;FBSS/2; FBCR/3ITA;FBID/phone;FBLC/en_US]
596
	 */
597
	static function is_facebook_for_iphone( ) {
598
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
599
			return false;
600
601
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
602
603
		if( false === strpos( $ua, 'iphone' ) )
604
			return false;
605
606
		if ( false !== strpos( $ua, 'facebook' ) && false === strpos( $ua, 'ipad' ) )
607
			return true;
608
		else if ( false !== strpos( $ua, 'fbforiphone' ) && false === strpos( $ua, 'tablet' ) )
609
			return true;
610
		else if ( false !== strpos( $ua, 'fban/fbios;' ) && false === strpos( $ua, 'tablet' ) ) //FB app v5.0 or higher
611
			return true;
612
		else
613
			return false;
614
	}
615
616
	/*
617
	 * Detects if the current UA is Facebook for iPad
618
	 * - Facebook 4020.0 (iPad; iPhone OS 5.0.1; en_US)
619
	 * - Mozilla/5.0 (iPad; U; CPU iPhone OS 5_0 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.0.2;FBBV/4020.0;FBDV/iPad2,1;FBMD/iPad;FBSN/iPhone OS;FBSV/5.0;FBSS/1; FBCR/;FBID/tablet;FBLC/en_US;FBSF/1.0]
620
	 * - Mozilla/5.0 (iPad; CPU OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Mobile/10A403 [FBAN/FBIOS;FBAV/5.0;FBBV/47423;FBDV/iPad2,1;FBMD/iPad;FBSN/iPhone OS;FBSV/6.0;FBSS/1; FBCR/;FBID/tablet;FBLC/en_US]
621
	 */
622 View Code Duplication
	static function is_facebook_for_ipad( ) {
623
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
624
			return false;
625
626
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
627
628
		if ( false === strpos( $ua, 'ipad' ) )
629
			return false;
630
631
		if ( false !== strpos( $ua, 'facebook' ) || false !== strpos( $ua, 'fbforiphone' ) || false !== strpos( $ua, 'fban/fbios;' ) )
632
			return true;
633
		else
634
			return false;
635
	}
636
637
	/*
638
	 *  Detects if the current UA is WordPress for iOS
639
	 */
640
	static function is_wordpress_for_ios( ) {
641
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
642
			return false;
643
644
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
645
		if ( false !== strpos( $ua, 'wp-iphone' ) )
646
			return true;
647
		else
648
			return false;
649
	}
650
651
	/*
652
	 * Detects if the current device is an iPad.
653
	 * They type can check for any iPad, an iPad using Safari, or an iPad using something other than Safari.
654
	 *
655
	 * Note: If you want to check for Opera mini, Opera mobile or Firefox mobile (or any 3rd party iPad browser),
656
	 * you should put the check condition before the check for 'iphone-any' or 'iphone-not-safari'.
657
	 * Otherwise those browsers will be 'catched' by the ipad string.
658
	 *
659
	*/
660
	static function is_ipad( $type = 'ipad-any' ) {
661
662
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
663
			return false;
664
665
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
666
667
		$is_ipad = ( false !== strpos( $ua, 'ipad' ) );
668
		$is_safari = ( false !== strpos( $ua, 'safari' ) );
669
670
		if ( 'ipad-safari' == $type )
671
			return $is_ipad && $is_safari;
672
		elseif ( 'ipad-not-safari' == $type )
673
			return $is_ipad && !$is_safari;
674
		else
675
			return $is_ipad;
676
	}
677
678
	/*
679
	 * Detects if the current browser is Firefox Mobile (Fennec)
680
	 *
681
	 * http://www.useragentstring.com/pages/Fennec/
682
	 * Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.1.1) Gecko/20110415 Firefox/4.0.2pre Fennec/4.0.1
683
	 * Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1b2pre) Gecko/20081015 Fennec/1.0a1
684
	 */
685
	static function is_firefox_mobile( ) {
686
687
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
688
			return false;
689
690
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
691
692
		if ( strpos( $ua, 'fennec' ) !== false )
693
			return true;
694
		else
695
			return false;
696
	}
697
698
699
	/*
700
	 * Detects if the current browser is FirefoxOS Native browser
701
	*
702
	* Mozilla/5.0 (Mobile; rv:14.0) Gecko/14.0 Firefox/14.0
703
	*
704
	*/
705 View Code Duplication
	static function is_firefox_os( ) {
706
707
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
708
			return false;
709
710
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
711
712
		if ( strpos( $ua, 'mozilla' ) !== false && strpos( $ua, 'mobile' ) !== false && strpos( $ua, 'gecko' ) !== false && strpos( $ua, 'firefox' ) !== false)
713
			return true;
714
		else
715
			return false;
716
	}
717
718
719
	/*
720
	 * Detects if the current browser is Opera Mobile
721
	 *
722
	 * What is the difference between Opera Mobile and Opera Mini?
723
	 * - Opera Mobile is a full Internet browser for mobile devices.
724
	 * - Opera Mini always uses a transcoder to convert the page for a small display.
725
	 * (it uses Opera advanced server compression technology to compress web content before it gets to a device.
726
	 *  The rendering engine is on Opera's server.)
727
	 *
728
	 * Opera/9.80 (Windows NT 6.1; Opera Mobi/14316; U; en) Presto/2.7.81 Version/11.00"
729
	 * Opera/9.50 (Nintendo DSi; Opera/507; U; en-US)
730
	 */
731 View Code Duplication
	static function is_opera_mobile( ) {
732
733
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
734
			return false;
735
736
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
737
738
		if ( strpos( $ua, 'opera' ) !== false && strpos( $ua, 'mobi' ) !== false )
739
			return true;
740
		elseif ( strpos( $ua, 'opera' ) !== false && strpos( $ua, 'nintendo dsi' ) !== false )
741
			return true;
742
		else
743
			return false;
744
	}
745
746
747
	/*
748
	 * Detects if the current browser is Opera Mini
749
	 *
750
	 * Opera/8.01 (J2ME/MIDP; Opera Mini/3.0.6306/1528; en; U; ssr)
751
	 * Opera/9.80 (Android;Opera Mini/6.0.24212/24.746 U;en) Presto/2.5.25 Version/10.5454
752
	 * Opera/9.80 (iPhone; Opera Mini/5.0.019802/18.738; U; en) Presto/2.4.15
753
	 * Opera/9.80 (J2ME/iPhone;Opera Mini/5.0.019802/886; U; ja) Presto/2.4.15
754
	 * Opera/9.80 (J2ME/iPhone;Opera Mini/5.0.019802/886; U; ja) Presto/2.4.15
755
	 * Opera/9.80 (Series 60; Opera Mini/5.1.22783/23.334; U; en) Presto/2.5.25 Version/10.54
756
	 * Opera/9.80 (BlackBerry; Opera Mini/5.1.22303/22.387; U; en) Presto/2.5.25 Version/10.54
757
	 *
758
	 */
759
	static function is_opera_mini( ) {
760
761
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
762
			return false;
763
764
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
765
766
		if ( strpos( $ua, 'opera' ) !== false && strpos( $ua, 'mini' ) !== false )
767
			return true;
768
		else
769
			return false;
770
	}
771
772
	/*
773
	 * Detects if the current browser is Opera Mini, but not on a smart device OS(Android, iOS, etc)
774
	 * Used to send users on dumb devices to m.wor
775
	 */
776
	static function is_opera_mini_dumb( ) {
777
778
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
779
			return false;
780
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
781
782
		if ( self::is_opera_mini() ) {
783
			if ( strpos( $ua, 'android' ) !== false  || strpos( $ua, 'iphone' ) !== false || strpos( $ua, 'ipod' ) !== false
784
		 	|| strpos( $ua, 'ipad' ) !== false || strpos( $ua, 'blackberry' ) !== false)
785
				return false;
786
			else
787
				return true;
788
		} else {
789
			return false;
790
		}
791
	}
792
793
	/*
794
	 * Detects if the current browser is Opera Mobile or Mini.
795
	 * DEPRECATED: use is_opera_mobile or is_opera_mini
796
	 *
797
	 * Opera Mini 5 Beta: Opera/9.80 (J2ME/MIDP; Opera Mini/5.0.15650/756; U; en) Presto/2.2.0
798
	 * Opera Mini 8: Opera/8.01 (J2ME/MIDP; Opera Mini/3.0.6306/1528; en; U; ssr)
799
	 */
800
	static function is_OperaMobile() {
801
		_deprecated_function( __FUNCTION__, 'always', 'is_opera_mini() or is_opera_mobile()' );
802
803
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
804
		return false;
805
806
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
807
808
		if ( strpos( $ua, 'opera' ) !== false ) {
809
			if ( ( strpos( $ua, 'mini' ) !== false ) || ( strpos( $ua,'mobi'  ) !== false ) )
810
				return true;
811
			else
812
				return false;
813
		} else {
814
			return false;
815
		}
816
	}
817
818
	/*
819
	 * Detects if the current browser is a Windows Phone 7 device.
820
	 * ex: Mozilla/4.0 (compatible; MSIE 7.0; Windows Phone OS 7.0; Trident/3.1; IEMobile/7.0; LG; GW910)
821
	 */
822 View Code Duplication
	static function is_WindowsPhone7() {
823
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
824
			return false;
825
826
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
827
828
		if ( false === strpos( $ua, 'windows phone os 7' ) ) {
829
			return false;
830
		} else {
831
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
832
	   			return false;
833
	   		else
834
	   			return true;
835
		}
836
	}
837
838
	/*
839
	 * Detects if the current browser is a Windows Phone 8 device.
840
	 * ex: Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; ARM; Touch; IEMobile/10.0; <Manufacturer>; <Device> [;<Operator>])
841
	 */
842
	static function is_windows_phone_8() {
843
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
844
			return false;
845
846
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
847
		if ( strpos( $ua, 'windows phone 8' ) === false ) {
848
			return false;
849
		} else {
850
			return true;
851
		}
852
	}
853
854
855
	/*
856
	 * Detects if the current browser is on a Palm device running the new WebOS. This EXCLUDES TouchPad.
857
	 *
858
	 * ex1: Mozilla/5.0 (webOS/1.4.0; U; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Version/1.0 Safari/532.2 Pre/1.1
859
	 * ex2: Mozilla/5.0 (webOS/1.4.0; U; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Version/1.0 Safari/532.2 Pixi/1.1
860
	 *
861
	 */
862 View Code Duplication
	static function is_PalmWebOS() {
863
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
864
			return false;
865
866
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
867
868
		if ( false === strpos( $ua, 'webos' ) ) {
869
	   		return false;
870
		} else {
871
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
872
	   			return false;
873
	   		else
874
	   			return true;
875
		}
876
	}
877
878
	/*
879
	 * Detects if the current browser is the HP TouchPad default browser. This excludes phones wt WebOS.
880
	 *
881
	 * TouchPad Emulator: Mozilla/5.0 (hp-desktop; Linux; hpwOS/2.0; U; it-IT) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 Desktop/1.0
882
	 * TouchPad: Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0
883
	 *
884
	 */
885
	static function is_TouchPad() {
886
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
887
		return false;
888
889
		$http_user_agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
890
		if ( false !== strpos( $http_user_agent, 'hp-tablet' )  || false !== strpos( $http_user_agent, 'hpwos' ) || false !== strpos( $http_user_agent, 'touchpad' ) ) {
891
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
892
	   			return false;
893
	   		else
894
	   			return true;
895
		}
896
		else
897
			return false;
898
	}
899
900
901
	/*
902
	 * Detects if the current browser is the Series 60 Open Source Browser.
903
	 *
904
	 * OSS Browser 3.2 on E75: Mozilla/5.0 (SymbianOS/9.3; U; Series60/3.2 NokiaE75-1/110.48.125 Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413
905
	 *
906
	 * 7.0 Browser (Nokia 5800 XpressMusic (v21.0.025)) : Mozilla/5.0 (SymbianOS/9.4; U; Series60/5.0 Nokia5800d-1/21.0.025; Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413
907
	 *
908
	 * Browser 7.1 (Nokia N97 (v12.0.024)) : Mozilla/5.0 (SymbianOS/9.4; Series60/5.0 NokiaN97-1/12.0.024; Profile/MIDP-2.1 Configuration/CLDC-1.1; en-us) AppleWebKit/525 (KHTML, like Gecko) BrowserNG/7.1.12344
909
	 *
910
	 */
911
	static function is_S60_OSSBrowser() {
912
913
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
914
		return false;
915
916
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
917
		if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
918
	   		return false;
919
920
		$pos_webkit = strpos( $agent, 'webkit' );
921
		if ( $pos_webkit !== false ) {
922
			//First, test for WebKit, then make sure it's either Symbian or S60.
923
			if ( strpos( $agent, 'symbian' ) !== false || strpos( $agent, 'series60' ) !== false ) {
924
		   			return true;
925
			} else
926
				return false;
927 View Code Duplication
		} elseif ( strpos( $agent, 'symbianos' ) !== false && strpos( $agent,'series60' ) !== false ) {
928
			return true;
929
		} elseif ( strpos( $agent, 'nokia' ) !== false && strpos( $agent,'series60' ) !== false ) {
930
			return true;
931
		}
932
933
	    return false;
934
	}
935
936
	/*
937
	 *
938
	 * Detects if the device platform is the Symbian Series 60.
939
	 *
940
	 */
941
	static function is_symbian_platform() {
942
943
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
944
		return false;
945
946
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
947
948
		$pos_webkit = strpos( $agent, 'webkit' );
949
		if ( $pos_webkit !== false ) {
950
			//First, test for WebKit, then make sure it's either Symbian or S60.
951
			if ( strpos( $agent, 'symbian' ) !== false || strpos( $agent, 'series60' ) !== false ) {
952
		   			return true;
953
			} else
954
				return false;
955 View Code Duplication
		} elseif ( strpos( $agent, 'symbianos' ) !== false && strpos( $agent,'series60' ) !== false ) {
956
			return true;
957
		} elseif ( strpos( $agent, 'nokia' ) !== false && strpos( $agent,'series60' ) !== false ) {
958
			return true;
959
		} elseif ( strpos( $agent, 'opera mini' ) !== false ) {
960
			if( strpos( $agent,'symbianos' ) !== false || strpos( $agent,'symbos' ) !== false || strpos( $agent,'series 60' ) !== false )
961
			return true;
962
		}
963
964
	    return false;
965
	}
966
967
	/*
968
	 *
969
	 * Detects if the device platform is the Symbian Series 40.
970
	 * Nokia Browser for Series 40 is a proxy based browser, previously known as Ovi Browser.
971
	 * This browser will report 'NokiaBrowser' in the header, however some older version will also report 'OviBrowser'.
972
	 *
973
	 */
974 View Code Duplication
	static function is_symbian_s40_platform() {
975
976
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
977
		return false;
978
979
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
980
981
		if ( strpos( $agent, 'series40' ) !== false ) {
982
			if( strpos( $agent,'nokia' ) !== false || strpos( $agent,'ovibrowser' ) !== false || strpos( $agent,'nokiabrowser' ) !== false )
983
			return true;
984
		}
985
986
	    return false;
987
	}
988
989 View Code Duplication
	static function is_J2ME_platform() {
990
991
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
992
			return false;
993
994
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
995
996
		if ( strpos( $agent, 'j2me/midp' ) !== false ) {
997
			return true;
998
		} elseif ( strpos( $agent, 'midp' ) !== false && strpos( $agent, 'cldc' ) ) {
999
			return true;
1000
		}
1001
1002
	    return false;
1003
	}
1004
1005
1006
	/*
1007
	 * Detects if the current UA is on one of the Maemo-based Nokia Internet Tablets.
1008
	 */
1009
	static function is_MaemoTablet() {
1010
1011
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1012
		return false;
1013
1014
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1015
1016
		$pos_maemo = strpos( $agent, 'maemo' );
1017
		if ( $pos_maemo === false ) return false;
1018
1019
		//Must be Linux + Tablet, or else it could be something else.
1020 View Code Duplication
		if ( strpos( $agent, 'tablet' ) !== false && strpos( $agent, 'linux' ) !== false ) {
1021
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
1022
	   			return false;
1023
	   		else
1024
	   			return true;
1025
		} else
1026
			return false;
1027
	}
1028
1029
	/*
1030
	 * Detects if the current UA is a MeeGo device (Nokia Smartphone).
1031
	 */
1032 View Code Duplication
	static function is_MeeGo() {
1033
1034
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1035
			return false;
1036
1037
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1038
1039
		if ( false === strpos( $ua, 'meego' ) ) {
1040
	   		return false;
1041
		} else {
1042
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
1043
	   			return false;
1044
	   		else
1045
	   			return true;
1046
		}
1047
	}
1048
1049
1050
	/*
1051
	 is_webkit() can be used to check the User Agent for an webkit generic browser
1052
	 */
1053 View Code Duplication
	static function is_webkit() {
1054
1055
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1056
		return false;
1057
1058
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1059
1060
		$pos_webkit = strpos( $agent, 'webkit' );
1061
1062
		if ( $pos_webkit !== false )
1063
			return true;
1064
		else
1065
			return false;
1066
	}
1067
1068
    /**
1069
     * Detects if the current browser is the Native Android browser.
1070
     * @return boolean true if the browser is Android otherwise false
1071
     */
1072 View Code Duplication
	static function is_android() {
1073
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1074
			return false;
1075
1076
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1077
		$pos_android = strpos( $agent, 'android' );
1078
		if ( $pos_android !== false ) {
1079
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
1080
	   			return false;
1081
	   		else
1082
	   			return true;
1083
		}
1084
		else
1085
			return false;
1086
	}
1087
1088
1089
	/**
1090
	 * Detects if the current browser is the Native Android Tablet browser.
1091
	 * 	Assumes 'Android' should be in the user agent, but not 'mobile'
1092
	 *
1093
	 * @return boolean true if the browser is Android and not 'mobile' otherwise false
1094
	 */
1095
	static function is_android_tablet( ) {
1096
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1097
			return false;
1098
1099
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1100
1101
		$pos_android = strpos( $agent, 'android' );
1102
		$pos_mobile = strpos( $agent, 'mobile' );
1103
		$post_android_app = strpos( $agent, 'wp-android' );
1104
1105
		if ( false !== $pos_android && false === $pos_mobile && false === $post_android_app ) {
1106
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
1107
				return false;
1108
			else
1109
				return true;
1110
		} else
1111
			return false;
1112
	}
1113
1114
	/**
1115
	 * Detects if the current browser is the Kindle Fire Native browser.
1116
	 *
1117
	 * Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us; Silk/1.1.0-84) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16 Silk-Accelerated=true
1118
	 * Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us; Silk/1.1.0-84) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16 Silk-Accelerated=false
1119
	 *
1120
	 * @return boolean true if the browser is Kindle Fire Native browser otherwise false
1121
	 */
1122
	static function is_kindle_fire( ) {
1123
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1124
			return false;
1125
1126
		$agent    = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1127
		$pos_silk = strpos( $agent, 'silk/' );
1128
		$pos_silk_acc = strpos( $agent, 'silk-accelerated=' );
1129
		if ( $pos_silk !== false && $pos_silk_acc !== false )
1130
	   		return true;
1131
		else
1132
			return false;
1133
	}
1134
1135
1136
/**
1137
 	* Detects if the current browser is the Kindle Touch Native browser
1138
 	*
1139
 	* Mozilla/5.0 (X11; U; Linux armv7l like Android; en-us) AppleWebKit/531.2+ (KHTML, like Gecko) Version/5.0 Safari/533.2+ Kindle/3.0+
1140
 	*
1141
 	* @return boolean true if the browser is Kindle monochrome Native browser otherwise false
1142
 	*/
1143 View Code Duplication
 	static function is_kindle_touch( ) {
1144
 		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1145
 			return false;
1146
 		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1147
 		$pos_kindle_touch = strpos( $agent, 'kindle/3.0+' );
1148
 		if ( false !== $pos_kindle_touch && false === self::is_kindle_fire() )
1149
 			return true;
1150
 		else
1151
 			return false;
1152
 		}
1153
1154
1155
	// Detect if user agent is the WordPress.com Windows 8 app (used ONLY on the custom oauth stylesheet)
1156 View Code Duplication
	static function is_windows8_auth( ) {
1157
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1158
			return false;
1159
1160
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1161
		$pos = strpos( $agent, 'msauthhost' );
1162
		if ( false !== $pos )
1163
	   		return true;
1164
		else
1165
			return false;
1166
	}
1167
1168
	// Detect if user agent is the WordPress.com Windows 8 app.
1169 View Code Duplication
	static function is_wordpress_for_win8( ) {
1170
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1171
			return false;
1172
1173
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1174
		$pos   = strpos( $agent, 'wp-windows8' );
1175
		if ( false !== $pos )
1176
			return true;
1177
		else
1178
			return false;
1179
	}
1180
1181
1182
	/*
1183
	 * is_blackberry_tablet() can be used to check the User Agent for a RIM blackberry tablet
1184
	 * The user agent of the BlackBerry® Tablet OS follows a format similar to the following:
1185
	 * Mozilla/5.0 (PlayBook; U; RIM Tablet OS 1.0.0; en-US) AppleWebKit/534.8+ (KHTML, like Gecko) Version/0.0.1 Safari/534.8+
1186
	 *
1187
	 */
1188
	static function is_blackberry_tablet() {
1189
1190
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1191
			return false;
1192
1193
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1194
		$pos_playbook = stripos( $agent, 'PlayBook' );
1195
		$pos_rim_tablet = stripos( $agent, 'RIM Tablet' );
1196
1197
		if ( ( false === $pos_playbook ) || ( false === $pos_rim_tablet ) )
1198
		{
1199
			return false;
1200
		} else {
1201
			return true;
1202
		}
1203
	}
1204
1205
	/*
1206
	 is_blackbeberry() can be used to check the User Agent for a blackberry device
1207
	 Note that opera mini on BB matches this rule.
1208
	 */
1209 View Code Duplication
	static function is_blackbeberry() {
1210
1211
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1212
			return false;
1213
1214
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1215
1216
		$pos_blackberry = strpos( $agent, 'blackberry' );
1217
		if ( $pos_blackberry !== false ) {
1218
			if ( self::is_opera_mini() || self::is_opera_mobile() || self::is_firefox_mobile() )
1219
				return false;
1220
			else
1221
				return true;
1222
		} else {
1223
			return false;
1224
		}
1225
	}
1226
1227
	/*
1228
	 is_blackberry_10() can be used to check the User Agent for a BlackBerry 10 device.
1229
	*/
1230
	static function is_blackberry_10() {
1231
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1232
		return ( strpos( $agent, 'bb10' ) !== false ) && ( strpos( $agent, 'mobile' ) !== false );
1233
	}
1234
1235
	/**
1236
	 * Retrieve the blackberry OS version.
1237
	 *
1238
	 * Return strings are from the following list:
1239
	 * - blackberry-10
1240
	 * - blackberry-7
1241
	 * - blackberry-6
1242
	 * - blackberry-torch //only the first edition. The 2nd edition has the OS7 onboard and doesn't need any special rule.
1243
	 * - blackberry-5
1244
	 * - blackberry-4.7
1245
	 * - blackberry-4.6
1246
	 * - blackberry-4.5
1247
	 *
1248
	 * @return string Version of the BB OS.
1249
	 * If version is not found, get_blackbeberry_OS_version will return boolean false.
1250
	 */
1251
	static function get_blackbeberry_OS_version() {
1252
1253
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1254
			return false;
1255
1256
		if ( self::is_blackberry_10() ) {
1257
			return 'blackberry-10';
1258
		}
1259
1260
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1261
1262
		$pos_blackberry = stripos( $agent, 'blackberry' );
1263
		if ( false === $pos_blackberry ) {
1264
			// not a blackberry device
1265
			return false;
1266
		}
1267
1268
		// blackberry devices OS 6.0 or higher
1269
		// Mozilla/5.0 (BlackBerry; U; BlackBerry 9670; en) AppleWebKit/534.3+ (KHTML, like Gecko) Version/6.0.0.286 Mobile Safari/534.3+
1270
		// Mozilla/5.0 (BlackBerry; U; BlackBerry 9800; en) AppleWebKit/534.1+ (KHTML, Like Gecko) Version/6.0.0.141 Mobile Safari/534.1+
1271
		// Mozilla/5.0 (BlackBerry; U; BlackBerry 9900; en-US) AppleWebKit/534.11+ (KHTML, like Gecko) Version/7.0.0 Mobile Safari/534.11+
1272
		$pos_webkit = stripos( $agent, 'webkit' );
1273
		if ( false !== $pos_webkit ) {
1274
			// detected blackberry webkit browser
1275
			$pos_torch = stripos( $agent, 'BlackBerry 9800' );
1276
			if ( false !== $pos_torch ) {
1277
				return 'blackberry-torch'; // match the torch first edition. the 2nd edition should use the OS7 and doesn't need any special rule
1278
			} else {
1279
				// detecting the BB OS version for devices running OS 6.0 or higher
1280
				if ( preg_match( '#Version\/([\d\.]+)#i', $agent, $matches ) ) {
1281
					$version = $matches[1];
1282
					$version_num = explode( '.', $version );
1283
					if ( false === is_array( $version_num ) || count( $version_num ) <= 1 ) {
1284
						return 'blackberry-6'; // not a BB device that match our rule.
1285
					} else {
1286
						return 'blackberry-' . $version_num[0];
1287
					}
1288
				} else {
1289
					// if doesn't match returns the minimun version with a webkit browser. we should never fall here.
1290
					return 'blackberry-6'; // not a BB device that match our rule.
1291
				}
1292
			}
1293
		}
1294
1295
		// blackberry devices <= 5.XX
1296
		// BlackBerry9000/5.0.0.93 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/179
1297
		if ( preg_match( '#BlackBerry\w+\/([\d\.]+)#i', $agent, $matches ) ) {
1298
			$version = $matches[1];
1299
		} else {
1300
			return false; //not a BB device that match our rule.
1301
		}
1302
1303
		$version_num = explode( '.', $version );
1304
1305 View Code Duplication
		if ( is_array( $version_num ) === false || count( $version_num ) <= 1 ) {
1306
			return false;
1307
		}
1308
		if ( $version_num[0] == 5 ) {
1309
			return 'blackberry-5';
1310
		} elseif ( $version_num[0] == 4 && $version_num[1] == 7 ) {
1311
			return 'blackberry-4.7';
1312
		} elseif ( $version_num[0] == 4 && $version_num[1] == 6 ) {
1313
			return 'blackberry-4.6';
1314
		} elseif ( $version_num[0] == 4 && $version_num[1] == 5 ) {
1315
			return 'blackberry-4.5';
1316
		} else {
1317
			return false;
1318
		}
1319
1320
	}
1321
1322
	/**
1323
	 * Retrieve the blackberry browser version.
1324
	 *
1325
	 * Return string are from the following list:
1326
	 * - blackberry-10
1327
	 * - blackberry-webkit
1328
	 * - blackberry-5
1329
	 * - blackberry-4.7
1330
	 * - blackberry-4.6
1331
	 *
1332
	 * @return string Type of the BB browser.
1333
	 * If browser's version is not found, detect_blackbeberry_browser_version will return boolean false.
1334
	 */
1335
	static function detect_blackberry_browser_version() {
1336
1337
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
1338
			return false;
1339
		}
1340
1341
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1342
1343
		if ( self::is_blackberry_10() ) {
1344
			return 'blackberry-10';
1345
		}
1346
1347
		$pos_blackberry = strpos( $agent, 'blackberry' );
1348
		if ( false === $pos_blackberry ) {
1349
			// not a blackberry device
1350
			return false;
1351
		}
1352
1353
		$pos_webkit = strpos( $agent, 'webkit' );
1354
1355
		if ( ! ( false === $pos_webkit ) ) {
1356
			return 'blackberry-webkit';
1357
		} else {
1358
			if ( preg_match( '#BlackBerry\w+\/([\d\.]+)#i', $agent, $matches ) ) {
1359
				$version = $matches[1];
1360
			} else {
1361
				return false; // not a BB device that match our rule.
1362
			}
1363
1364
			$version_num = explode( '.', $version );
1365
1366 View Code Duplication
			if ( false === is_array( $version_num ) || count( $version_num ) <= 1 ) {
1367
				return false;
1368
			}
1369
1370
			if ( $version_num[0] == 5 ) {
1371
				return 'blackberry-5';
1372
			} elseif ( $version_num[0] == 4 && $version_num[1] == 7 ) {
1373
				return 'blackberry-4.7';
1374
			} elseif ( $version_num[0] == 4 && $version_num[1] == 6 ) {
1375
				return 'blackberry-4.6';
1376
			} else {
1377
				// A very old BB device is found or this is a BB device that doesn't match our rules.
1378
				return false;
1379
			}
1380
		}
1381
1382
	}
1383
1384
	// Checks if a visitor is coming from one of the WordPress mobile apps
1385
	static function is_mobile_app() {
1386
1387
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
1388
			return false;
1389
1390
		$agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1391
1392
		if ( isset( $_SERVER['X_USER_AGENT'] ) && preg_match( '|wp-webos|', $_SERVER['X_USER_AGENT'] ) )
1393
			return true; //wp4webos 1.1 or higher
1394
1395
		$app_agents = array( 'wp-android', 'wp-blackberry', 'wp-iphone', 'wp-nokia', 'wp-webos', 'wp-windowsphone' );
1396
		// the mobile reader on iOS has an incorrect UA when loading the reader
1397
		// currently it is the default one provided by the iOS framework which
1398
		// causes problems with 2-step-auth
1399
		// User-Agent	WordPress/3.1.4 CFNetwork/609 Darwin/13.0.0
1400
		$app_agents[] = 'wordpress/3.1';
1401
1402
		foreach ( $app_agents as $app_agent ) {
1403
			if ( false !== strpos( $agent, $app_agent ) )
1404
			return true;
1405
		}
1406
		return false;
1407
	}
1408
1409
  /*
1410
	 * Detects if the current browser is Nintendo 3DS handheld.
1411
	 *
1412
	 * example: Mozilla/5.0 (Nintendo 3DS; U; ; en) Version/1.7498.US
1413
	 * can differ in language, version and region
1414
	 */
1415
	static function is_Nintendo_3DS() {
1416
	 	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
1417
			return false;
1418
		}
1419
1420
		$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1421
		if ( strpos( $ua, 'nintendo 3ds' ) !== false ) {
1422
	   		return true;
1423
		}
1424
		return false;
1425
	}
1426
1427
	/**
1428
	 * Was the current request made by a known bot?
1429
	 *
1430
	 * @return boolean
1431
	 */
1432
	static function is_bot() {
1433
		static $is_bot = null;
1434
1435
		if ( is_null( $is_bot ) ) {
1436
			$is_bot = Jetpack_User_Agent_Info::is_bot_user_agent( $_SERVER['HTTP_USER_AGENT'] );
1437
		}
1438
1439
		return $is_bot;
1440
	}
1441
1442
	/**
1443
	 * Is the given user-agent a known bot?
1444
	 * If you want an is_bot check for the current request's UA, use is_bot() instead of passing a user-agent to this method.
1445
	 *
1446
	 * @param $ua (string) A user-agent string
1447
	 * @return boolean
1448
	 */
1449
	static function is_bot_user_agent( $ua = null ) {
1450
1451
		if ( empty( $ua ) )
1452
			return false;
1453
1454
		$bot_agents = array(
1455
			'alexa', 'altavista', 'ask jeeves', 'attentio', 'baiduspider', 'bingbot', 'chtml generic', 'crawler', 'fastmobilecrawl',
1456
			'feedfetcher-google', 'firefly', 'froogle', 'gigabot', 'googlebot', 'googlebot-mobile', 'heritrix', 'httrack', 'ia_archiver', 'irlbot',
1457
			'iescholar', 'infoseek', 'jumpbot', 'linkcheck', 'lycos', 'mediapartners', 'mediobot', 'motionbot', 'msnbot', 'mshots', 'openbot',
1458
			'pss-webkit-request', 'pythumbnail', 'scooter', 'slurp', 'snapbot', 'spider', 'taptubot', 'technoratisnoop',
1459
			'teoma', 'twiceler', 'yahooseeker', 'yahooysmcm', 'yammybot', 'ahrefsbot', 'pingdom.com_bot', 'kraken', 'yandexbot',
1460
			'twitterbot', 'tweetmemebot', 'openhosebot', 'queryseekerspider', 'linkdexbot', 'grokkit-crawler',
1461
			'livelapbot', 'germcrawler', 'domaintunocrawler', 'grapeshotcrawler', 'cloudflare-alwaysonline',
1462
		);
1463
1464
		foreach ( $bot_agents as $bot_agent ) {
1465
			if ( false !== stripos( $ua, $bot_agent ) ) {
1466
				return true;
1467
			}
1468
		}
1469
1470
		return false;
1471
	}
1472
1473
1474
1475
}
1476