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-rw-r--r--Zotlabs/Lib/MessageFilter.php214
1 files changed, 171 insertions, 43 deletions
diff --git a/Zotlabs/Lib/MessageFilter.php b/Zotlabs/Lib/MessageFilter.php
index 21e6ca26a..95721e7c7 100644
--- a/Zotlabs/Lib/MessageFilter.php
+++ b/Zotlabs/Lib/MessageFilter.php
@@ -2,85 +2,104 @@
namespace Zotlabs\Lib;
-
+require_once('include/html2plain.php');
class MessageFilter {
+ public static function evaluate($item, $incl, $excl) {
- static public function evaluate($item,$incl,$excl) {
-
- require_once('include/html2plain.php');
-
- $text = prepare_text($item['body'],$item['mimetype']);
+ $text = prepare_text($item['body'],((isset($item['mimetype'])) ? $item['mimetype'] : 'text/x-multicode'));
$text = html2plain(($item['title']) ? $item['title'] . ' ' . $text : $text);
-
$lang = null;
- if((strpos($incl,'lang=') !== false) || (strpos($excl,'lang=') !== false) || (strpos($incl,'lang!=') !== false) || (strpos($excl,'lang!=') !== false)) {
+ if ((strpos($incl, 'lang=') !== false) || (strpos($excl, 'lang=') !== false) || (strpos($incl, 'lang!=') !== false) || (strpos($excl, 'lang!=') !== false)) {
$lang = detect_language($text);
}
- $tags = ((is_array($item['term']) && count($item['term'])) ? $item['term'] : false);
+ $tags = ((isset($item['term']) && is_array($item['term']) && count($item['term'])) ? $item['term'] : false);
// exclude always has priority
- $exclude = (($excl) ? explode("\n",$excl) : null);
+ $exclude = (($excl) ? explode("\n", $excl) : null);
- if($exclude) {
- foreach($exclude as $word) {
+ if ($exclude) {
+ foreach ($exclude as $word) {
$word = trim($word);
- if(! $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(substr($word,0,1) === '$' && $tags) {
- foreach($tags as $t)
- if(($t['ttype'] == TERM_CATEGORY) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
+ if (substr($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,$text))
+ }
+ }
+ } elseif (substr($word, 0, 1) === '$' && $tags) {
+ foreach ($tags as $t) {
+ if (($t['ttype'] == TERM_CATEGORY) && (($t['term'] === substr($word, 1)) || (substr($word, 1) === '*'))) {
+ return false;
+ }
+ }
+ } elseif (substr($word, 0, 2) === '?+') {
+ if (self::test_condition(substr($word, 2), $item['obj'])) {
+ return false;
+ }
+ } elseif (substr($word, 0, 1) === '?') {
+ if (self::test_condition(substr($word, 1), $item)) {
+ return false;
+ }
+ } elseif ((strpos($word, '/') === 0) && preg_match($word, $text)) {
return false;
- elseif((strpos($word,'lang=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,5))) == 0))
+ } elseif ((strpos($word, 'lang=') === 0) && ($lang) && (strcasecmp($lang, trim(substr($word, 5))) == 0)) {
return false;
- elseif((strpos($word,'lang!=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,6))) != 0))
+ } elseif ((strpos($word, 'lang!=') === 0) && ($lang) && (strcasecmp($lang, trim(substr($word, 6))) != 0)) {
return false;
- elseif(stristr($text,$word) !== false)
+ } elseif (stristr($text, $word) !== false) {
return false;
+ }
}
}
- $include = (($incl) ? explode("\n",$incl) : null);
+ $include = (($incl) ? explode("\n", $incl) : null);
- if($include) {
- foreach($include as $word) {
+ if ($include) {
+ foreach ($include as $word) {
$word = trim($word);
- if(! $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(substr($word,0,1) === '$' && $tags) {
- foreach($tags as $t)
- if(($t['ttype'] == TERM_CATEGORY) && (($t['term'] === substr($word,1)) || (substr($word,1) === '*')))
+ if (substr($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,$text))
+ }
+ }
+ } elseif (substr($word, 0, 1) === '$' && $tags) {
+ foreach ($tags as $t) {
+ if (($t['ttype'] == TERM_CATEGORY) && (($t['term'] === substr($word, 1)) || (substr($word, 1) === '*'))) {
+ return true;
+ }
+ }
+ } elseif (substr($word, 0, 2) === '?+') {
+ if (self::test_condition(substr($word, 2), $item['obj'])) {
+ return true;
+ }
+ } elseif (substr($word, 0, 1) === '?') {
+ if (self::test_condition(substr($word, 1), $item)) {
+ return true;
+ }
+ } elseif ((strpos($word, '/') === 0) && preg_match($word, $text)) {
return true;
- elseif((strpos($word,'lang=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,5))) == 0))
+ } elseif ((strpos($word, 'lang=') === 0) && ($lang) && (strcasecmp($lang, trim(substr($word, 5))) == 0)) {
return true;
- elseif((strpos($word,'lang!=') === 0) && ($lang) && (strcasecmp($lang,trim(substr($word,6))) != 0))
+ } elseif ((strpos($word, 'lang!=') === 0) && ($lang) && (strcasecmp($lang, trim(substr($word, 6))) != 0)) {
return true;
- elseif(stristr($text,$word) !== false)
+ } elseif (stristr($text, $word) !== false) {
return true;
+ }
}
- }
- else {
+ } else {
return true;
}
@@ -88,4 +107,113 @@ class MessageFilter {
}
+ /**
+ * @brief Test for Conditional Execution conditions. Shamelessly ripped off from Code/Render/Comanche
+ *
+ * This is extensible. The first version of variable testing supports tests of the forms:
+ *
+ * - ?foo ~= baz which will check if item.foo contains the string 'baz';
+ * - ?foo == baz which will check if item.foo is the string 'baz';
+ * - ?foo != baz which will check if item.foo is not the string 'baz';
+ * - ?foo >= 3 which will check if item.foo is greater than or equal to 3;
+ * - ?foo > 3 which will check if item.foo is greater than 3;
+ * - ?foo <= 3 which will check if item.foo is less than or equal to 3;
+ * - ?foo < 3 which will check if item.foo is less than 3;
+ *
+ * - ?foo {} baz which will check if 'baz' is an array element in item.foo
+ * - ?foo {*} baz which will check if 'baz' is an array key in item.foo
+ * - ?foo which will check for a return of a true condition for item.foo;
+ *
+ * The values 0, '', an empty array, and an unset value will all evaluate to false.
+ *
+ * @param string $s
+ * @param array $item
+ * @return bool
+ */
+
+ public static function test_condition($s,$item) {
+
+ if (preg_match('/(.*?)\s\~\=\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if (stripos($x, trim($matches[2])) !== false) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\=\=\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x == trim($matches[2])) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\!\=\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x != trim($matches[2])) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\>\=\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x >= trim($matches[2])) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\<\=\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x <= trim($matches[2])) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\>\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x > trim($matches[2])) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\>\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x < trim($matches[2])) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/[\$](.*?)\s\{\}\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if (is_array($x) && in_array(trim($matches[2]), $x)) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)\s\{\*\}\s(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if (is_array($x) && array_key_exists(trim($matches[2]), $x)) {
+ return true;
+ }
+ return false;
+ }
+
+ if (preg_match('/(.*?)$/', $s, $matches)) {
+ $x = ((array_key_exists(trim($matches[1]),$item)) ? $item[trim($matches[1])] : EMPTY_STR);
+ if ($x) {
+ return true;
+ }
+ return false;
+ }
+
+ return false;
+ }
+
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:49:14 +0000