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90 lines
2.7 KiB
PHP
90 lines
2.7 KiB
PHP
<?php
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namespace Zotlabs\Lib;
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class MessageFilter {
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static public function evaluate($item,$incl,$excl) {
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require_once('include/html2plain.php');
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$text = prepare_text($item['body'],((isset($item['mimetype'])) ? $item['mimetype'] : 'text/bbcode'));
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$text = html2plain(($item['title']) ? $item['title'] . ' ' . $text : $text);
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$lang = null;
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if((strpos($incl,'lang=') !== false) || (strpos($excl,'lang=') !== false) || (strpos($incl,'lang!=') !== false) || (strpos($excl,'lang!=') !== false)) {
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$lang = detect_language($text);
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}
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$tags = ((isset($item['term']) && is_array($item['term']) && count($item['term'])) ? $item['term'] : false);
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// exclude always has priority
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$exclude = (($excl) ? explode("\n",$excl) : null);
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if($exclude) {
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foreach($exclude as $word) {
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$word = trim($word);
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if(! $word)
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continue;
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if(substr($word,0,1) === '#' && $tags) {
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foreach($tags as $t)
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if((($t['ttype'] == TERM_HASHTAG) || ($t['ttype'] == TERM_COMMUNITYTAG)) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
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return false;
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}
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elseif(substr($word,0,1) === '$' && $tags) {
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foreach($tags as $t)
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if(($t['ttype'] == TERM_CATEGORY) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
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return false;
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}
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elseif((strpos($word,'/') === 0) && preg_match($word,$text))
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return false;
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elseif((strpos($word,'lang=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,5))) == 0))
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return false;
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elseif((strpos($word,'lang!=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,6))) != 0))
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return false;
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elseif(stristr($text,$word) !== false)
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return false;
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}
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}
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$include = (($incl) ? explode("\n",$incl) : null);
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if($include) {
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foreach($include as $word) {
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$word = trim($word);
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if(! $word)
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continue;
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if(substr($word,0,1) === '#' && $tags) {
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foreach($tags as $t)
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if((($t['ttype'] == TERM_HASHTAG) || ($t['ttype'] == TERM_COMMUNITYTAG)) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
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return true;
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}
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elseif(substr($word,0,1) === '$' && $tags) {
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foreach($tags as $t)
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if(($t['ttype'] == TERM_CATEGORY) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
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return true;
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}
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elseif((strpos($word,'/') === 0) && preg_match($word,$text))
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return true;
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elseif((strpos($word,'lang=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,5))) == 0))
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return true;
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elseif((strpos($word,'lang!=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,6))) != 0))
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return true;
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elseif(stristr($text,$word) !== false)
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return true;
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}
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}
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else {
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return true;
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}
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return false;
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}
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}
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