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authorzotlabs <mike@macgirvin.com>2018-05-10 17:11:03 -0700
committerzotlabs <mike@macgirvin.com>2018-05-10 17:11:03 -0700
commit721496f9220fa59059f90d16d3b3fb19337b2f16 (patch)
tree34e5a739486320a7095146f2c383f80003dd7f92 /Zotlabs/Lib
parentbe225164ebdde1b76a376fade83b93697507264e (diff)
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hubzilla issue #1169
Diffstat (limited to 'Zotlabs/Lib')
-rw-r--r--Zotlabs/Lib/MessageFilter.php79
1 files changed, 79 insertions, 0 deletions
diff --git a/Zotlabs/Lib/MessageFilter.php b/Zotlabs/Lib/MessageFilter.php
new file mode 100644
index 000000000..df59aa57e
--- /dev/null
+++ b/Zotlabs/Lib/MessageFilter.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace Zotlabs\Lib;
+
+
+
+class MessageFilter {
+
+
+ static public function evaluate($item,$incl,$excl) {
+
+ require_once('include/html2plain.php');
+
+ unobscure($item);
+
+ $text = prepare_text($item['body'],$item['mimetype']);
+ $text = html2plain(($item['title']) ? $item['title'] . ' ' . $text : $text);
+
+
+ $lang = null;
+
+ if((strpos($incl,'lang=') !== false) || (strpos($excl,'lang=') !== false)) {
+ $lang = detect_language($text);
+ }
+
+ $tags = ((count($item['term'])) ? $item['term'] : false);
+
+ // exclude always has priority
+
+ $exclude = (($excl) ? explode("\n",$excl) : null);
+
+ if($exclude) {
+ foreach($exclude as $word) {
+ $word = trim($word);
+ if(! $word)
+ continue;
+ if(substr($word,0,1) === '#' && $tags) {
+ foreach($tags as $t)
+ if((($t['ttype'] == TERM_HASHTAG) || ($t['ttype'] == TERM_COMMUNITYTAG)) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
+ return false;
+ }
+ elseif((strpos($word,'/') === 0) && preg_match($word,$text))
+ return false;
+ elseif((strpos($word,'lang=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,5))) == 0))
+ return false;
+ elseif(stristr($text,$word) !== false)
+ return false;
+ }
+ }
+
+ $include = (($incl) ? explode("\n",$incl) : null);
+
+ if($include) {
+ foreach($include as $word) {
+ $word = trim($word);
+ if(! $word)
+ continue;
+ if(substr($word,0,1) === '#' && $tags) {
+ foreach($tags as $t)
+ if((($t['ttype'] == TERM_HASHTAG) || ($t['ttype'] == TERM_COMMUNITYTAG)) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
+ return true;
+ }
+ elseif((strpos($word,'/') === 0) && preg_match($word,$text))
+ return true;
+ elseif((strpos($word,'lang=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,5))) == 0))
+ return true;
+ elseif(stristr($text,$word) !== false)
+ return true;
+ }
+ }
+ else {
+ return true;
+ }
+
+ return false;
+ }
+
+
+} \ No newline at end of file