314 lines
		
	
	
	
		
			7.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			314 lines
		
	
	
	
		
			7.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @file include/text.php
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 */
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use Friendica\App;
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use Friendica\Content\ContactSelector;
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use Friendica\Content\Feature;
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use Friendica\Content\Smilies;
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use Friendica\Content\Text\BBCode;
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use Friendica\Core\Addon;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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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\Event;
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use Friendica\Model\Item;
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use Friendica\Render\FriendicaSmarty;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Map;
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use Friendica\Util\Proxy as ProxyUtils;
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use Friendica\Core\Logger;
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use Friendica\Core\Renderer;
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use Friendica\Model\FileTag;
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use Friendica\Util\Strings;
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use Friendica\Util\XML;
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use Friendica\Content\Text\HTML;
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/**
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 * Turn user/group ACLs stored as angle bracketed text into arrays
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 *
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 * @param string $s
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 * @return array
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 */
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function expand_acl($s) {
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	// turn string array of angle-bracketed elements into numeric array
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	// e.g. "<1><2><3>" => array(1,2,3);
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	$ret = [];
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	if (strlen($s)) {
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		$t = str_replace('<', '', $s);
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		$a = explode('>', $t);
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		foreach ($a as $aa) {
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			if (intval($aa)) {
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				$ret[] = intval($aa);
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			}
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		}
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	}
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	return $ret;
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}
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/**
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 * Wrap ACL elements in angle brackets for storage
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 * @param string $item
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 */
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function sanitise_acl(&$item) {
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	if (intval($item)) {
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		$item = '<' . intval(Strings::escapeTags(trim($item))) . '>';
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	} else {
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		unset($item);
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	}
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}
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/**
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 * Convert an ACL array to a storable string
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 *
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 * Normally ACL permissions will be an array.
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 * We'll also allow a comma-separated string.
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 *
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 * @param string|array $p
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 * @return string
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 */
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function perms2str($p) {
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	$ret = '';
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	if (is_array($p)) {
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		$tmp = $p;
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	} else {
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		$tmp = explode(',', $p);
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	}
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	if (is_array($tmp)) {
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		array_walk($tmp, 'sanitise_acl');
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		$ret = implode('', $tmp);
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	}
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	return $ret;
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}
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/**
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 *  for html,xml parsing - let's say you've got
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 *  an attribute foobar="class1 class2 class3"
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 *  and you want to find out if it contains 'class3'.
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 *  you can't use a normal sub string search because you
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 *  might match 'notclass3' and a regex to do the job is
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 *  possible but a bit complicated.
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 *  pass the attribute string as $attr and the attribute you
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 *  are looking for as $s - returns true if found, otherwise false
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 *
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 * @param string $attr attribute value
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 * @param string $s string to search
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 * @return boolean True if found, False otherwise
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 */
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function attribute_contains($attr, $s) {
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	$a = explode(' ', $attr);
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	return (count($a) && in_array($s,$a));
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}
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/**
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 * Compare activity uri. Knows about activity namespace.
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 *
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 * @param string $haystack
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 * @param string $needle
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 * @return boolean
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 */
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function activity_match($haystack,$needle) {
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	return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA)));
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}
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/**
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 * quick and dirty quoted_printable encoding
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 *
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 * @param string $s
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 * @return string
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 */
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function qp($s) {
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	return str_replace("%", "=", rawurlencode($s));
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}
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/**
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 * @brief Find any non-embedded images in private items and add redir links to them
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 *
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 * @param App $a
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 * @param array &$item The field array of an item row
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 */
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function redir_private_images($a, &$item)
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{
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	$matches = false;
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	$cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
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	if ($cnt) {
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		foreach ($matches as $mtch) {
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			if (strpos($mtch[1], '/redir') !== false) {
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				continue;
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			}
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			if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == Protocol::DFRN)) {
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				$img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($item['author-link']);
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				$item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
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			}
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		}
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	}
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}
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/**
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 * @brief Given a text string, convert from bbcode to html and add smilie icons.
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 *
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 * @param string $text String with bbcode.
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 * @return string Formattet HTML.
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 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
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 */
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function prepare_text($text) {
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	if (stristr($text, '[nosmile]')) {
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		$s = BBCode::convert($text);
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	} else {
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		$s = Smilies::replace(BBCode::convert($text));
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	}
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	return trim($s);
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}
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/**
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 * return array with details for categories and folders for an item
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 *
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 * @param array $item
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 * @return array
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 *
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  * [
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 *      [ // categories array
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 *          {
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 *               'name': 'category name',
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 *               'removeurl': 'url to remove this category',
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 *               'first': 'is the first in this array? true/false',
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 *               'last': 'is the last in this array? true/false',
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 *           } ,
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 *           ....
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 *       ],
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 *       [ //folders array
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 *			{
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 *               'name': 'folder name',
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 *               'removeurl': 'url to remove this folder',
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 *               'first': 'is the first in this array? true/false',
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 *               'last': 'is the last in this array? true/false',
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 *           } ,
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 *           ....
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 *       ]
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 *  ]
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 */
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function get_cats_and_terms($item)
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{
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	$categories = [];
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	$folders = [];
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	$matches = false;
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	$first = true;
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	$cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
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	if ($cnt) {
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		foreach ($matches as $mtch) {
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			$categories[] = [
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				'name' => XML::escape(FileTag::decode($mtch[1])),
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				'url' =>  "#",
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				'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . XML::escape(FileTag::decode($mtch[1])):""),
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				'first' => $first,
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				'last' => false
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			];
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			$first = false;
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		}
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	}
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	if (count($categories)) {
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		$categories[count($categories) - 1]['last'] = true;
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	}
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	if (local_user() == $item['uid']) {
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		$matches = false;
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		$first = true;
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		$cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
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		if ($cnt) {
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			foreach ($matches as $mtch) {
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				$folders[] = [
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					'name' => XML::escape(FileTag::decode($mtch[1])),
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					'url' =>  "#",
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					'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . XML::escape(FileTag::decode($mtch[1])) : ""),
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					'first' => $first,
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					'last' => false
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				];
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				$first = false;
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			}
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		}
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	}
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	if (count($folders)) {
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		$folders[count($folders) - 1]['last'] = true;
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	}
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	return [$categories, $folders];
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}
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/**
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 * return number of bytes in size (K, M, G)
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 * @param string $size_str
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 * @return number
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 */
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function return_bytes($size_str) {
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	switch (substr ($size_str, -1)) {
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		case 'M': case 'm': return (int)$size_str * 1048576;
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		case 'K': case 'k': return (int)$size_str * 1024;
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		case 'G': case 'g': return (int)$size_str * 1073741824;
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		default: return $size_str;
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	}
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}
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function bb_translate_video($s) {
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	$matches = null;
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	$r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
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	if ($r) {
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		foreach ($matches as $mtch) {
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			if ((stristr($mtch[1], 'youtube')) || (stristr($mtch[1], 'youtu.be'))) {
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				$s = str_replace($mtch[0], '[youtube]' . $mtch[1] . '[/youtube]', $s);
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			} elseif (stristr($mtch[1], 'vimeo')) {
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				$s = str_replace($mtch[0], '[vimeo]' . $mtch[1] . '[/vimeo]', $s);
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			}
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		}
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	}
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	return $s;
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}
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function undo_post_tagging($s) {
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	$matches = null;
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	$cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER);
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	if ($cnt) {
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		foreach ($matches as $mtch) {
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			if (in_array($mtch[1], ['!', '@'])) {
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				$contact = Contact::getDetailsByURL($mtch[2]);
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				$mtch[3] = empty($contact['addr']) ? $mtch[2] : $contact['addr'];
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			}
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			$s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
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		}
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	}
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	return $s;
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}
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/// @TODO Rewrite this
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function is_a_date_arg($s) {
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	$i = intval($s);
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	if ($i > 1900) {
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		$y = date('Y');
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		if ($i <= $y + 1 && strpos($s, '-') == 4) {
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			$m = intval(substr($s, 5));
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			if ($m > 0 && $m <= 12) {
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				return true;
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			}
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		}
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	}
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	return false;
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}
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