858 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			858 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * @file boot.php
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|  * This file defines some global constants and includes the central App class.
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|  */
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| 
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| /**
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|  * Friendica
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|  *
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|  * Friendica is a communications platform for integrated social communications
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|  * utilising decentralised communications and linkage to several indie social
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|  * projects - as well as popular mainstream providers.
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|  *
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|  * Our mission is to free our friends and families from the clutches of
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|  * data-harvesting corporations, and pave the way to a future where social
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|  * communications are free and open and flow between alternate providers as
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|  * easily as email does today.
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|  */
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| 
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| use Friendica\App;
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| use Friendica\BaseObject;
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| use Friendica\Core\Config;
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| use Friendica\Core\PConfig;
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| use Friendica\Core\Protocol;
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| use Friendica\Core\System;
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| use Friendica\Database\DBA;
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| use Friendica\Model\Contact;
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| use Friendica\Model\Term;
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| use Friendica\Util\BasePath;
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| use Friendica\Util\DateTimeFormat;
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| 
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| define('FRIENDICA_PLATFORM',     'Friendica');
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| define('FRIENDICA_CODENAME',     'Dalmatian Bellflower');
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| define('FRIENDICA_VERSION',      '2019.06-dev');
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| define('DFRN_PROTOCOL_VERSION',  '2.23');
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| define('NEW_UPDATE_ROUTINE_VERSION', 1170);
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| 
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| /**
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|  * @brief Constant with a HTML line break.
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|  *
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|  * Contains a HTML line break (br) element and a real carriage return with line
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|  * feed for the source.
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|  * This can be used in HTML and JavaScript where needed a line break.
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|  */
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| define('EOL',                    "<br />\r\n");
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| 
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| /**
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|  * @brief Image storage quality.
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|  *
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|  * Lower numbers save space at cost of image detail.
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|  * For ease of upgrade, please do not change here. Set system.jpegquality = n in config/local.config.php,
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|  * where n is between 1 and 100, and with very poor results below about 50
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|  */
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| define('JPEG_QUALITY',            100);
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| 
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| /**
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|  * system.png_quality = n where is between 0 (uncompressed) to 9
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|  */
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| define('PNG_QUALITY',             8);
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| 
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| /**
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|  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
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|  * length that pictures are allowed to be (for non-square pictures, it will apply
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|  * to the longest side). Pictures longer than this length will be resized to be
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|  * this length (on the longest side, the other side will be scaled appropriately).
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|  * Modify this value using
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|  *
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|  * 'system' => [
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|  *      'max_image_length' => 'n',
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|  *      ...
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|  * ],
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|  *
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|  * in config/local.config.php
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|  *
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|  * If you don't want to set a maximum length, set to -1. The default value is
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|  * defined by 'MAX_IMAGE_LENGTH' below.
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|  */
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| define('MAX_IMAGE_LENGTH',        -1);
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| 
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| /**
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|  * Not yet used
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|  */
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| define('DEFAULT_DB_ENGINE',  'InnoDB');
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| 
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| /** @deprecated since version 2019.03, please use \Friendica\Module\Register::CLOSED instead */
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| define('REGISTER_CLOSED',        \Friendica\Module\Register::CLOSED);
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| /** @deprecated since version 2019.03, please use \Friendica\Module\Register::APPROVE instead */
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| define('REGISTER_APPROVE',       \Friendica\Module\Register::APPROVE);
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| /** @deprecated since version 2019.03, please use \Friendica\Module\Register::OPEN instead */
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| define('REGISTER_OPEN',          \Friendica\Module\Register::OPEN);
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| 
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| /**
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|  * @name CP
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|  *
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|  * Type of the community page
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|  * @{
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|  */
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| define('CP_NO_INTERNAL_COMMUNITY', -2);
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| define('CP_NO_COMMUNITY_PAGE',     -1);
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| define('CP_USERS_ON_SERVER',        0);
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| define('CP_GLOBAL_COMMUNITY',       1);
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| define('CP_USERS_AND_GLOBAL',       2);
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| /**
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|  * @}
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|  */
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| 
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| /**
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|  * These numbers are used in stored permissions
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|  * and existing allocations MUST NEVER BE CHANGED
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|  * OR RE-ASSIGNED! You may only add to them.
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|  */
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| $netgroup_ids = [
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| 	Protocol::DFRN     => (-1),
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| 	Protocol::ZOT      => (-2),
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| 	Protocol::OSTATUS  => (-3),
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| 	Protocol::FEED     => (-4),
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| 	Protocol::DIASPORA => (-5),
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| 	Protocol::MAIL     => (-6),
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| 	Protocol::FACEBOOK => (-8),
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| 	Protocol::LINKEDIN => (-9),
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| 	Protocol::XMPP     => (-10),
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| 	Protocol::MYSPACE  => (-11),
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| 	Protocol::GPLUS    => (-12),
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| 	Protocol::PUMPIO   => (-13),
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| 	Protocol::TWITTER  => (-14),
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| 	Protocol::DIASPORA2 => (-15),
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| 	Protocol::STATUSNET => (-16),
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| 	Protocol::NEWS      => (-18),
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| 	Protocol::ICALENDAR => (-19),
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| 	Protocol::PNUT      => (-20),
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| 
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| 	Protocol::PHANTOM  => (-127),
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| ];
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| 
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| /**
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|  * Maximum number of "people who like (or don't like) this"  that we will list by name
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|  */
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| define('MAX_LIKERS',    75);
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| 
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| /**
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|  * @name Notify
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|  *
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|  * Email notification options
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|  * @{
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|  */
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| define('NOTIFY_INTRO',        1);
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| define('NOTIFY_CONFIRM',      2);
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| define('NOTIFY_WALL',         4);
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| define('NOTIFY_COMMENT',      8);
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| define('NOTIFY_MAIL',        16);
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| define('NOTIFY_SUGGEST',     32);
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| define('NOTIFY_PROFILE',     64);
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| define('NOTIFY_TAGSELF',    128);
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| define('NOTIFY_TAGSHARE',   256);
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| define('NOTIFY_POKE',       512);
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| define('NOTIFY_SHARE',     1024);
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| 
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| define('SYSTEM_EMAIL',    16384);
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| 
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| define('NOTIFY_SYSTEM',   32768);
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| /* @}*/
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| 
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| 
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| /** @deprecated since 2019.03, use Term::UNKNOWN instead */
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| define('TERM_UNKNOWN',   Term::UNKNOWN);
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| /** @deprecated since 2019.03, use Term::HASHTAG instead */
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| define('TERM_HASHTAG',   Term::HASHTAG);
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| /** @deprecated since 2019.03, use Term::MENTION instead */
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| define('TERM_MENTION',   Term::MENTION);
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| /** @deprecated since 2019.03, use Term::CATEGORY instead */
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| define('TERM_CATEGORY',  Term::CATEGORY);
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| /** @deprecated since 2019.03, use Term::PCATEGORY instead */
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| define('TERM_PCATEGORY', Term::PCATEGORY);
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| /** @deprecated since 2019.03, use Term::FILE instead */
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| define('TERM_FILE',      Term::FILE);
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| /** @deprecated since 2019.03, use Term::SAVEDSEARCH instead */
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| define('TERM_SAVEDSEARCH', Term::SAVEDSEARCH);
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| /** @deprecated since 2019.03, use Term::CONVERSATION instead */
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| define('TERM_CONVERSATION', Term::CONVERSATION);
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| 
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| /** @deprecated since 2019.03, use Term::OBJECT_TYPE_POST instead */
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| define('TERM_OBJ_POST',  Term::OBJECT_TYPE_POST);
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| /** @deprecated since 2019.03, use Term::OBJECT_TYPE_PHOTO instead */
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| define('TERM_OBJ_PHOTO', Term::OBJECT_TYPE_PHOTO);
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| 
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| /**
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|  * @name Namespaces
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|  *
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|  * Various namespaces we may need to parse
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|  * @{
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|  */
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| define('NAMESPACE_ZOT',             'http://purl.org/zot');
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| define('NAMESPACE_DFRN',            'http://purl.org/macgirvin/dfrn/1.0');
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| define('NAMESPACE_THREAD',          'http://purl.org/syndication/thread/1.0');
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| define('NAMESPACE_TOMB',            'http://purl.org/atompub/tombstones/1.0');
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| define('NAMESPACE_ACTIVITY2',       'https://www.w3.org/ns/activitystreams#');
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| define('NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/');
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| define('NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/');
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| define('NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia');
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| define('NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env');
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| define('NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe');
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| define('NAMESPACE_GEORSS',          'http://www.georss.org/georss');
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| define('NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0');
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| define('NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from');
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| define('NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0');
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| define('NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/');
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| define('NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom');
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| define('NAMESPACE_MASTODON',        'http://mastodon.social/schema/1.0');
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| /* @}*/
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| 
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| /**
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|  * @name Activity
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|  *
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|  * Activity stream defines
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|  * @{
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|  */
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| define('ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like');
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| define('ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike');
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| define('ACTIVITY_ATTEND',      NAMESPACE_ZOT             . '/activity/attendyes');
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| define('ACTIVITY_ATTENDNO',    NAMESPACE_ZOT             . '/activity/attendno');
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| define('ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT             . '/activity/attendmaybe');
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| 
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| define('ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart');
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| 
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| define('ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend');
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| define('ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend');
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| define('ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend');
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| define('ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow');
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| define('ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following');
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| define('ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join');
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| 
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| define('ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post');
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| define('ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update');
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| define('ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag');
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| define('ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite');
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| define('ACTIVITY_UNFAVORITE',  NAMESPACE_ACTIVITY_SCHEMA . 'unfavorite');
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| define('ACTIVITY_SHARE',       NAMESPACE_ACTIVITY_SCHEMA . 'share');
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| define('ACTIVITY_DELETE',      NAMESPACE_ACTIVITY_SCHEMA . 'delete');
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| define('ACTIVITY2_ANNOUNCE',   NAMESPACE_ACTIVITY2       . 'Announce');
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| 
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| define('ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke');
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| 
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| define('ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark');
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| define('ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment');
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| define('ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note');
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| define('ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person');
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| define('ACTIVITY_OBJ_IMAGE',   NAMESPACE_ACTIVITY_SCHEMA . 'image');
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| define('ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo');
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| define('ACTIVITY_OBJ_VIDEO',   NAMESPACE_ACTIVITY_SCHEMA . 'video');
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| define('ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo');
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| define('ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album');
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| define('ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event');
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| define('ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group');
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| define('ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm');
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| define('ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile');
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| define('ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question');
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| /* @}*/
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| 
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| /**
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|  * @name Gravity
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|  *
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|  * Item weight for query ordering
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|  * @{
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|  */
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| define('GRAVITY_PARENT',       0);
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| define('GRAVITY_ACTIVITY',     3);
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| define('GRAVITY_COMMENT',      6);
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| define('GRAVITY_UNKNOWN',      9);
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| /* @}*/
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| 
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| /**
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|  * @name Priority
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|  *
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|  * Process priority for the worker
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|  * @{
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|  */
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| define('PRIORITY_UNDEFINED',   0);
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| define('PRIORITY_CRITICAL',   10);
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| define('PRIORITY_HIGH',       20);
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| define('PRIORITY_MEDIUM',     30);
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| define('PRIORITY_LOW',        40);
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| define('PRIORITY_NEGLIGIBLE', 50);
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| /* @}*/
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| 
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| /**
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|  * @name Social Relay settings
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|  *
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|  * See here: https://github.com/jaywink/social-relay
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|  * and here: https://wiki.diasporafoundation.org/Relay_servers_for_public_posts
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|  * @{
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|  */
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| define('SR_SCOPE_NONE', '');
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| define('SR_SCOPE_ALL',  'all');
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| define('SR_SCOPE_TAGS', 'tags');
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| /* @}*/
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| 
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| // Normally this constant is defined - but not if "pcntl" isn't installed
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| if (!defined("SIGTERM")) {
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| 	define("SIGTERM", 15);
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| }
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| 
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| /**
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|  * Depending on the PHP version this constant does exist - or not.
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|  * See here: http://php.net/manual/en/curl.constants.php#117928
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|  */
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| if (!defined('CURLE_OPERATION_TIMEDOUT')) {
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| 	define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED);
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| }
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| 
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| /**
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|  * @brief Retrieve the App structure
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|  *
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|  * Useful in functions which require it but don't get it passed to them
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|  *
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|  * @deprecated since version 2018.09
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|  * @see BaseObject::getApp()
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|  * @return App
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|  */
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| function get_app()
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| {
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| 	return BaseObject::getApp();
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| }
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| 
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| /**
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|  * Return the provided variable value if it exists and is truthy or the provided
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|  * default value instead.
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|  *
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|  * Works with initialized variables and potentially uninitialized array keys
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|  *
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|  * Usages:
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|  * - defaults($var, $default)
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|  * - defaults($array, 'key', $default)
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|  *
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|  * @param array $args
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|  * @brief Returns a defaut value if the provided variable or array key is falsy
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|  * @return mixed
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|  */
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| function defaults(...$args)
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| {
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| 	if (count($args) < 2) {
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| 		throw new BadFunctionCallException('defaults() requires at least 2 parameters');
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| 	}
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| 	if (count($args) > 3) {
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| 		throw new BadFunctionCallException('defaults() cannot use more than 3 parameters');
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| 	}
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| 	if (count($args) === 3 && is_null($args[1])) {
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| 		throw new BadFunctionCallException('defaults($arr, $key, $def) $key is null');
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| 	}
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| 
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| 	// The default value always is the last argument
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| 	$return = array_pop($args);
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| 
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| 	if (count($args) == 2 && is_array($args[0]) && !empty($args[0][$args[1]])) {
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| 		$return = $args[0][$args[1]];
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| 	}
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| 
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| 	if (count($args) == 1 && !empty($args[0])) {
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| 		$return = $args[0];
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| 	}
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| 
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| 	return $return;
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| }
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| 
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| /**
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|  * @brief Used to end the current process, after saving session state.
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|  * @deprecated
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|  */
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| function killme()
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| {
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| 	exit();
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| }
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| 
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| /**
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|  * @brief Returns the user id of locally logged in user or false.
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|  *
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|  * @return int|bool user id or false
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|  */
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| function local_user()
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| {
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| 	if (!empty($_SESSION['authenticated']) && !empty($_SESSION['uid'])) {
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| 		return intval($_SESSION['uid']);
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| 	}
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| 	return false;
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| }
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| 
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| /**
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|  * @brief Returns the public contact id of logged in user or false.
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|  *
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|  * @return int|bool public contact id or false
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|  */
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| function public_contact()
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| {
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| 	static $public_contact_id = false;
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| 
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| 	if (!$public_contact_id && !empty($_SESSION['authenticated'])) {
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| 		if (!empty($_SESSION['my_address'])) {
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| 			// Local user
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| 			$public_contact_id = intval(Contact::getIdForURL($_SESSION['my_address'], 0, true));
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| 		} elseif (!empty($_SESSION['visitor_home'])) {
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| 			// Remote user
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| 			$public_contact_id = intval(Contact::getIdForURL($_SESSION['visitor_home'], 0, true));
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| 		}
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| 	} elseif (empty($_SESSION['authenticated'])) {
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| 		$public_contact_id = false;
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| 	}
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| 
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| 	return $public_contact_id;
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| }
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| 
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| /**
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|  * @brief Returns contact id of authenticated site visitor or false
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|  *
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|  * @return int|bool visitor_id or false
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|  */
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| function remote_user()
 | |
| {
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| 	// You cannot be both local and remote.
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| 	// Unncommented by rabuzarus because remote authentication to local
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| 	// profiles wasn't possible anymore (2018-04-12).
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| //	if (local_user()) {
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| //		return false;
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| //	}
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| 
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| 	if (empty($_SESSION)) {
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| 		return false;
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| 	}
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| 
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| 	if (!empty($_SESSION['authenticated']) && !empty($_SESSION['visitor_id'])) {
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| 		return intval($_SESSION['visitor_id']);
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| 	}
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| 	return false;
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| }
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| 
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| /**
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|  * @brief Show an error message to user.
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|  *
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|  * This function save text in session, to be shown to the user at next page load
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|  *
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|  * @param string $s - Text of notice
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|  */
 | |
| function notice($s)
 | |
| {
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| 	if (empty($_SESSION)) {
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| 		return;
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| 	}
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| 
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| 	$a = \get_app();
 | |
| 	if (empty($_SESSION['sysmsg'])) {
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| 		$_SESSION['sysmsg'] = [];
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| 	}
 | |
| 	if ($a->interactive) {
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| 		$_SESSION['sysmsg'][] = $s;
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| 	}
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| }
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| 
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| /**
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|  * @brief Show an info message to user.
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|  *
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|  * This function save text in session, to be shown to the user at next page load
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|  *
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|  * @param string $s - Text of notice
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|  */
 | |
| function info($s)
 | |
| {
 | |
| 	$a = \get_app();
 | |
| 
 | |
| 	if (local_user() && PConfig::get(local_user(), 'system', 'ignore_info')) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (empty($_SESSION['sysmsg_info'])) {
 | |
| 		$_SESSION['sysmsg_info'] = [];
 | |
| 	}
 | |
| 	if ($a->interactive) {
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| 		$_SESSION['sysmsg_info'][] = $s;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function feed_birthday($uid, $tz)
 | |
| {
 | |
| 	/**
 | |
| 	 * Determine the next birthday, but only if the birthday is published
 | |
| 	 * in the default profile. We _could_ also look for a private profile that the
 | |
| 	 * recipient can see, but somebody could get mad at us if they start getting
 | |
| 	 * public birthday greetings when they haven't made this info public.
 | |
| 	 *
 | |
| 	 * Assuming we are able to publish this info, we are then going to convert
 | |
| 	 * the start time from the owner's timezone to UTC.
 | |
| 	 *
 | |
| 	 * This will potentially solve the problem found with some social networks
 | |
| 	 * where birthdays are converted to the viewer's timezone and salutations from
 | |
| 	 * elsewhere in the world show up on the wrong day. We will convert it to the
 | |
| 	 * viewer's timezone also, but first we are going to convert it from the birthday
 | |
| 	 * person's timezone to GMT - so the viewer may find the birthday starting at
 | |
| 	 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
 | |
| 	 */
 | |
| 	$birthday = '';
 | |
| 
 | |
| 	if (!strlen($tz)) {
 | |
| 		$tz = 'UTC';
 | |
| 	}
 | |
| 
 | |
| 	$profile = DBA::selectFirst('profile', ['dob'], ['is-default' => true, 'uid' => $uid]);
 | |
| 	if (DBA::isResult($profile)) {
 | |
| 		$tmp_dob = substr($profile['dob'], 5);
 | |
| 		if (intval($tmp_dob)) {
 | |
| 			$y = DateTimeFormat::timezoneNow($tz, 'Y');
 | |
| 			$bd = $y . '-' . $tmp_dob . ' 00:00';
 | |
| 			$t_dob = strtotime($bd);
 | |
| 			$now = strtotime(DateTimeFormat::timezoneNow($tz));
 | |
| 			if ($t_dob < $now) {
 | |
| 				$bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
 | |
| 			}
 | |
| 			$birthday = DateTimeFormat::convert($bd, 'UTC', $tz, DateTimeFormat::ATOM);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return $birthday;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Check if current user has admin role.
 | |
|  *
 | |
|  * @return bool true if user is an admin
 | |
|  */
 | |
| function is_site_admin()
 | |
| {
 | |
| 	$a = \get_app();
 | |
| 
 | |
| 	$admin_email = Config::get('config', 'admin_email');
 | |
| 
 | |
| 	$adminlist = explode(',', str_replace(' ', '', $admin_email));
 | |
| 
 | |
| 	return local_user() && $admin_email && in_array(defaults($a->user, 'email', ''), $adminlist);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Returns querystring as string from a mapped array.
 | |
|  *
 | |
|  * @param array  $params mapped array with query parameters
 | |
|  * @param string $name   of parameter, default null
 | |
|  *
 | |
|  * @return string
 | |
|  */
 | |
| function build_querystring($params, $name = null)
 | |
| {
 | |
| 	$ret = "";
 | |
| 	foreach ($params as $key => $val) {
 | |
| 		if (is_array($val)) {
 | |
| 			/// @TODO maybe not compare against null, use is_null()
 | |
| 			if ($name == null) {
 | |
| 				$ret .= build_querystring($val, $key);
 | |
| 			} else {
 | |
| 				$ret .= build_querystring($val, $name . "[$key]");
 | |
| 			}
 | |
| 		} else {
 | |
| 			$val = urlencode($val);
 | |
| 			/// @TODO maybe not compare against null, use is_null()
 | |
| 			if ($name != null) {
 | |
| 				/// @TODO two string concated, can be merged to one
 | |
| 				$ret .= $name . "[$key]" . "=$val&";
 | |
| 			} else {
 | |
| 				$ret .= "$key=$val&";
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return $ret;
 | |
| }
 | |
| 
 | |
| function explode_querystring($query)
 | |
| {
 | |
| 	$arg_st = strpos($query, '?');
 | |
| 	if ($arg_st !== false) {
 | |
| 		$base = substr($query, 0, $arg_st);
 | |
| 		$arg_st += 1;
 | |
| 	} else {
 | |
| 		$base = '';
 | |
| 		$arg_st = 0;
 | |
| 	}
 | |
| 
 | |
| 	$args = explode('&', substr($query, $arg_st));
 | |
| 	foreach ($args as $k => $arg) {
 | |
| 		/// @TODO really compare type-safe here?
 | |
| 		if ($arg === '') {
 | |
| 			unset($args[$k]);
 | |
| 		}
 | |
| 	}
 | |
| 	$args = array_values($args);
 | |
| 
 | |
| 	if (!$base) {
 | |
| 		$base = $args[0];
 | |
| 		unset($args[0]);
 | |
| 		$args = array_values($args);
 | |
| 	}
 | |
| 
 | |
| 	return [
 | |
| 		'base' => $base,
 | |
| 		'args' => $args,
 | |
| 	];
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
 | |
|  *
 | |
|  * Taken from http://webcheatsheet.com/php/get_current_page_url.php
 | |
|  */
 | |
| function curPageURL()
 | |
| {
 | |
| 	$pageURL = 'http';
 | |
| 	if (!empty($_SERVER["HTTPS"]) && ($_SERVER["HTTPS"] == "on")) {
 | |
| 		$pageURL .= "s";
 | |
| 	}
 | |
| 
 | |
| 	$pageURL .= "://";
 | |
| 
 | |
| 	if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
 | |
| 		$pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
 | |
| 	} else {
 | |
| 		$pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
 | |
| 	}
 | |
| 	return $pageURL;
 | |
| }
 | |
| 
 | |
| function get_server()
 | |
| {
 | |
| 	$server = Config::get("system", "directory");
 | |
| 
 | |
| 	if ($server == "") {
 | |
| 		$server = "https://dir.friendica.social";
 | |
| 	}
 | |
| 
 | |
| 	return $server;
 | |
| }
 | |
| 
 | |
| function get_temppath()
 | |
| {
 | |
| 	$a = \get_app();
 | |
| 
 | |
| 	$temppath = Config::get("system", "temppath");
 | |
| 
 | |
| 	if (($temppath != "") && System::isDirectoryUsable($temppath)) {
 | |
| 		// We have a temp path and it is usable
 | |
| 		return BasePath::getRealPath($temppath);
 | |
| 	}
 | |
| 
 | |
| 	// We don't have a working preconfigured temp path, so we take the system path.
 | |
| 	$temppath = sys_get_temp_dir();
 | |
| 
 | |
| 	// Check if it is usable
 | |
| 	if (($temppath != "") && System::isDirectoryUsable($temppath)) {
 | |
| 		// Always store the real path, not the path through symlinks
 | |
| 		$temppath = BasePath::getRealPath($temppath);
 | |
| 
 | |
| 		// To avoid any interferences with other systems we create our own directory
 | |
| 		$new_temppath = $temppath . "/" . $a->getHostName();
 | |
| 		if (!is_dir($new_temppath)) {
 | |
| 			/// @TODO There is a mkdir()+chmod() upwards, maybe generalize this (+ configurable) into a function/method?
 | |
| 			mkdir($new_temppath);
 | |
| 		}
 | |
| 
 | |
| 		if (System::isDirectoryUsable($new_temppath)) {
 | |
| 			// The new path is usable, we are happy
 | |
| 			Config::set("system", "temppath", $new_temppath);
 | |
| 			return $new_temppath;
 | |
| 		} else {
 | |
| 			// We can't create a subdirectory, strange.
 | |
| 			// But the directory seems to work, so we use it but don't store it.
 | |
| 			return $temppath;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Reaching this point means that the operating system is configured badly.
 | |
| 	return '';
 | |
| }
 | |
| 
 | |
| function get_cachefile($file, $writemode = true)
 | |
| {
 | |
| 	$cache = get_itemcachepath();
 | |
| 
 | |
| 	if ((!$cache) || (!is_dir($cache))) {
 | |
| 		return "";
 | |
| 	}
 | |
| 
 | |
| 	$subfolder = $cache . "/" . substr($file, 0, 2);
 | |
| 
 | |
| 	$cachepath = $subfolder . "/" . $file;
 | |
| 
 | |
| 	if ($writemode) {
 | |
| 		if (!is_dir($subfolder)) {
 | |
| 			mkdir($subfolder);
 | |
| 			chmod($subfolder, 0777);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return $cachepath;
 | |
| }
 | |
| 
 | |
| function clear_cache($basepath = "", $path = "")
 | |
| {
 | |
| 	if ($path == "") {
 | |
| 		$basepath = get_itemcachepath();
 | |
| 		$path = $basepath;
 | |
| 	}
 | |
| 
 | |
| 	if (($path == "") || (!is_dir($path))) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (substr(realpath($path), 0, strlen($basepath)) != $basepath) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	$cachetime = (int) Config::get('system', 'itemcache_duration');
 | |
| 	if ($cachetime == 0) {
 | |
| 		$cachetime = 86400;
 | |
| 	}
 | |
| 
 | |
| 	if (is_writable($path)) {
 | |
| 		if ($dh = opendir($path)) {
 | |
| 			while (($file = readdir($dh)) !== false) {
 | |
| 				$fullpath = $path . "/" . $file;
 | |
| 				if ((filetype($fullpath) == "dir") && ($file != ".") && ($file != "..")) {
 | |
| 					clear_cache($basepath, $fullpath);
 | |
| 				}
 | |
| 				if ((filetype($fullpath) == "file") && (filectime($fullpath) < (time() - $cachetime))) {
 | |
| 					unlink($fullpath);
 | |
| 				}
 | |
| 			}
 | |
| 			closedir($dh);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function get_itemcachepath()
 | |
| {
 | |
| 	// Checking, if the cache is deactivated
 | |
| 	$cachetime = (int) Config::get('system', 'itemcache_duration');
 | |
| 	if ($cachetime < 0) {
 | |
| 		return "";
 | |
| 	}
 | |
| 
 | |
| 	$itemcache = Config::get('system', 'itemcache');
 | |
| 	if (($itemcache != "") && System::isDirectoryUsable($itemcache)) {
 | |
| 		return BasePath::getRealPath($itemcache);
 | |
| 	}
 | |
| 
 | |
| 	$temppath = get_temppath();
 | |
| 
 | |
| 	if ($temppath != "") {
 | |
| 		$itemcache = $temppath . "/itemcache";
 | |
| 		if (!file_exists($itemcache) && !is_dir($itemcache)) {
 | |
| 			mkdir($itemcache);
 | |
| 		}
 | |
| 
 | |
| 		if (System::isDirectoryUsable($itemcache)) {
 | |
| 			Config::set("system", "itemcache", $itemcache);
 | |
| 			return $itemcache;
 | |
| 		}
 | |
| 	}
 | |
| 	return "";
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Returns the path where spool files are stored
 | |
|  *
 | |
|  * @return string Spool path
 | |
|  */
 | |
| function get_spoolpath()
 | |
| {
 | |
| 	$spoolpath = Config::get('system', 'spoolpath');
 | |
| 	if (($spoolpath != "") && System::isDirectoryUsable($spoolpath)) {
 | |
| 		// We have a spool path and it is usable
 | |
| 		return $spoolpath;
 | |
| 	}
 | |
| 
 | |
| 	// We don't have a working preconfigured spool path, so we take the temp path.
 | |
| 	$temppath = get_temppath();
 | |
| 
 | |
| 	if ($temppath != "") {
 | |
| 		// To avoid any interferences with other systems we create our own directory
 | |
| 		$spoolpath = $temppath . "/spool";
 | |
| 		if (!is_dir($spoolpath)) {
 | |
| 			mkdir($spoolpath);
 | |
| 		}
 | |
| 
 | |
| 		if (System::isDirectoryUsable($spoolpath)) {
 | |
| 			// The new path is usable, we are happy
 | |
| 			Config::set("system", "spoolpath", $spoolpath);
 | |
| 			return $spoolpath;
 | |
| 		} else {
 | |
| 			// We can't create a subdirectory, strange.
 | |
| 			// But the directory seems to work, so we use it but don't store it.
 | |
| 			return $temppath;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Reaching this point means that the operating system is configured badly.
 | |
| 	return "";
 | |
| }
 | |
| 
 | |
| if (!function_exists('exif_imagetype')) {
 | |
| 	function exif_imagetype($file)
 | |
| 	{
 | |
| 		$size = getimagesize($file);
 | |
| 		return $size[2];
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function validate_include(&$file)
 | |
| {
 | |
| 	$orig_file = $file;
 | |
| 
 | |
| 	$file = realpath($file);
 | |
| 
 | |
| 	if (strpos($file, getcwd()) !== 0) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$file = str_replace(getcwd() . "/", "", $file, $count);
 | |
| 	if ($count != 1) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if ($orig_file !== $file) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$valid = false;
 | |
| 	if (strpos($file, "include/") === 0) {
 | |
| 		$valid = true;
 | |
| 	}
 | |
| 
 | |
| 	if (strpos($file, "addon/") === 0) {
 | |
| 		$valid = true;
 | |
| 	}
 | |
| 
 | |
| 	// Simply return flag
 | |
| 	return $valid;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * PHP 5 compatible dirname() with count parameter
 | |
|  *
 | |
|  * @see http://php.net/manual/en/function.dirname.php#113193
 | |
|  *
 | |
|  * @deprecated with PHP 7
 | |
|  * @param string $path
 | |
|  * @param int    $levels
 | |
|  * @return string
 | |
|  */
 | |
| function rdirname($path, $levels = 1)
 | |
| {
 | |
| 	if ($levels > 1) {
 | |
| 		return dirname(rdirname($path, --$levels));
 | |
| 	} else {
 | |
| 		return dirname($path);
 | |
| 	}
 | |
| }
 |