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Revision 5

Added by Manuela about 5 years ago

output_filter::filterEmail:: mdcr.js is loaded only when at least one email address is encrypted on the current page

View differences:

filterEmail.php
15 15 
            ) {
16 16 
                return $content;
17 17 
            }
18 
        // test if js-decryption is installed
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            if( preg_match('/<head.*<.*src=\".*\/mdcr.js.*>.*<\/head/siU', $content) ) {
18 
            $bNeedMdcr = false;
19 
        // test if js-decryption is available
20 
            $script = str_replace('\\', '/',str_replace(WB_PATH,'', dirname(__DIR__)).'/js/mdcr.js');
21 
            if(is_readable(WB_PATH.$script)) {
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                $scriptLink = "\t".'<script src="'.WB_URL.$script.'" type="text/javascript"></script>'."\n";
20 23 
                $aFilterSettings['OutputFilterMode'] |= pow(2, 2); // n | 2^2
21 
            }else {
22 
            // try to insert js-decrypt into <head> if available
23 
                $script = str_replace('\\', '/',str_replace(WB_PATH,'', dirname(__DIR__)).'/js/mdcr.js');
24 
                if(is_readable(WB_PATH.$script)) {
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                    $scriptLink = "\t".'<script src="'.WB_URL.$script.'" type="text/javascript"></script>'."\n";
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                    $regex = '/(.*)(<\s*?\/\s*?head\s*>.*)/isU';
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                    $replace = '$1'.$scriptLink.'$2';
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                    $content = preg_replace ($regex, $replace, $content);
29 
                    $aFilterSettings['OutputFilterMode'] |= pow(2, 2); // n | 2^2
30 
                }
31 24 
            }
32 25 
/* *** obfuscate mailto addresses by js:mdcr *** */
33 26 
            // work out the defined output filter mode: possible output filter modes: [0], 1, 2, 3, 6, 7
......
54 47 
            $content = preg_replace_callback(
55 48 
                $pattern,
56 49 
    /* ************************************************************************** */
57 
                function ($match) use ($aFilterSettings) {
50 
                function ($match) use ($aFilterSettings, $bNeedMdcr) {
58 51 
                    // check if required arguments are defined
59 52 
                    $search = array('@', '.');
60 53 
                    $replace = array($aFilterSettings['at_replacement'] ,$aFilterSettings['dot_replacement']);
......
111 104 
                                $encrypted_email .= chr($shift + 97);
112 105 
                            // build the encrypted Javascript mailto link
113 106 
                                $mailto_link  = "<a {$class_attr}{$id_attr}href=\"javascript:mdcr('$encrypted_email','$email_subject')\">" .$match[5] ."</a>";
107 
                                $bNeedMdcr = true;
114 108 
                                return $mailto_link;
115 109 
                            } else {
116 110 
                            /** DO NOT USE JAVASCRIPT ENCRYPTION FOR MAILTO LINKS **/
......
132 126 
                $content
133 127 
            );
134 128 
        }
129 
        if ($bNeedMdcr) {
130 
        // test if js-decryption is installed
131 
            if (!preg_match('/<head.*<.*src=\".*\/mdcr.js.*>.*<\/head/siU', $content) ) {
132 
            // try to insert js-decrypt into <head> if available
133 
                $script = str_replace('\\', '/',str_replace(WB_PATH,'', dirname(__DIR__)).'/js/mdcr.js');
134 
                if(is_readable(WB_PATH.$script)) {
135 
                    $scriptLink = "\t".'<script src="'.WB_URL.$script.'" type="text/javascript"></script>'."\n";
136 
                    $regex = '/(.*)(<\s*?\/\s*?head\s*>.*)/isU';
137 
                    $replace = '$1'.$scriptLink.'$2';
138 
                    $content = preg_replace ($regex, $replace, $content);
139 
                }
140 
            }
141 
        }
135 142 
        return $content;
136 143 
    }

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