<?php
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/*
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Copyright (c) 2010, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class mail_user_filter_plugin {
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var $plugin_name = 'mail_user_filter_plugin';
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var $class_name = 'mail_user_filter_plugin';
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/*
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This function is called when the plugin is loaded
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*/
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function onLoad() {
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global $app;
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/*
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Register for the events
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*/
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$app->plugin->registerEvent('mail:mail_user_filter:on_after_insert','mail_user_filter_plugin','mail_user_filter_edit');
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$app->plugin->registerEvent('mail:mail_user_filter:on_after_update','mail_user_filter_plugin','mail_user_filter_edit');
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$app->plugin->registerEvent('mail:mail_user_filter:on_after_delete','mail_user_filter_plugin','mail_user_filter_del');
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$app->plugin->registerEvent('mailuser:mail_user_filter:on_after_insert','mail_user_filter_plugin','mail_user_filter_edit');
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$app->plugin->registerEvent('mailuser:mail_user_filter:on_after_update','mail_user_filter_plugin','mail_user_filter_edit');
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$app->plugin->registerEvent('mailuser:mail_user_filter:on_after_delete','mail_user_filter_plugin','mail_user_filter_del');
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}
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/*
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function to create the mail filter rule and insert it into the custom rules
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field when a new mail filter is added or modified.
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*/
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function mail_user_filter_edit($event_name,$page_form) {
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global $app, $conf;
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$mailuser = $app->db->queryOneRecord("SELECT custom_mailfilter FROM mail_user WHERE mailuser_id = ".$page_form->dataRecord["mailuser_id"]);
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$skip = false;
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$lines = explode("\n",$mailuser['custom_mailfilter']);
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$out = '';
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$found = false;
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foreach($lines as $line) {
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$line = rtrim($line);
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if($line == '### BEGIN FILTER_ID:'.$page_form->id) {
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$skip = true;
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$found = true;
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}
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if($skip == false && $line != '') $out .= $line ."\n";
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if($line == '### END FILTER_ID:'.$page_form->id) {
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if($page_form->dataRecord["active"] == 'y') $out .= $this->mail_user_filter_get_rule($page_form);
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$skip = false;
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}
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}
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// We did not found our rule, so we add it now as first rule.
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if($found == false && $page_form->dataRecord["active"] == 'y') {
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$new_rule = $this->mail_user_filter_get_rule($page_form);
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$out = $new_rule . $out;
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}
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$out = $app->db->quote($out);
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$app->db->datalogUpdate('mail_user', "custom_mailfilter = '$out'", 'mailuser_id', $page_form->dataRecord["mailuser_id"]);
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}
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function mail_user_filter_del($event_name,$page_form) {
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global $app, $conf;
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$mailuser = $app->db->queryOneRecord("SELECT custom_mailfilter FROM mail_user WHERE mailuser_id = ".$page_form->dataRecord["mailuser_id"]);
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$skip = false;
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$lines = explode("\n",$mailuser['custom_mailfilter']);
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$out = '';
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foreach($lines as $line) {
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$line = trim($line);
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if($line == '### BEGIN FILTER_ID:'.$page_form->id) {
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$skip = true;
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}
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if($skip == false && $line != '') $out .= $line ."\n";
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if($line == '### END FILTER_ID:'.$page_form->id) {
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$skip = false;
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}
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}
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$out = mysql_real_escape_string($out);
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$app->db->datalogUpdate('mail_user', "custom_mailfilter = '$out'", 'mailuser_id', $page_form->dataRecord["mailuser_id"]);
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}
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/*
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private function to create the mail filter rules in maildrop or sieve format.
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*/
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private function mail_user_filter_get_rule($page_form) {
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global $app,$conf;
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$app->uses("getconf");
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$mailuser_rec = $app->db->queryOneRecord("SELECT server_id FROM mail_user WHERE mailuser_id = ".intval($page_form->dataRecord["mailuser_id"]));
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$mail_config = $app->getconf->get_server_config(intval($mailuser_rec["server_id"]),'mail');
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if($mail_config['mail_filter_syntax'] == 'sieve') {
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// #######################################################
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// Filter in Sieve Syntax
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// #######################################################
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$content = '';
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$content .= '### BEGIN FILTER_ID:'.$page_form->id."\n";
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//$content .= 'require ["fileinto", "regex", "vacation"];'."\n";
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$content .= 'if header :regex ["'.strtolower($page_form->dataRecord["source"]).'"] ["';
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$searchterm = preg_quote($page_form->dataRecord["searchterm"]);
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if($page_form->dataRecord["op"] == 'contains') {
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$content .= ".*".$searchterm;
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} elseif ($page_form->dataRecord["op"] == 'is') {
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$content .= $searchterm."$";
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} elseif ($page_form->dataRecord["op"] == 'begins') {
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$content .= " ".$searchterm."";
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} elseif ($page_form->dataRecord["op"] == 'ends') {
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$content .= ".*".$searchterm."$";
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}
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$content .= '"] {'."\n";
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if($page_form->dataRecord["action"] == 'move') {
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$content .= ' fileinto "'.$page_form->dataRecord["target"].'";' . "\n";
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} else {
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$content .= " discard;\n";
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}
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$content .= " stop;\n}\n";
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$content .= '### END FILTER_ID:'.$page_form->id."\n";
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} else {
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// #######################################################
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// Filter in Maildrop Syntax
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// #######################################################
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$content = '';
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$content .= '### BEGIN FILTER_ID:'.$page_form->id."\n";
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$TargetNoQuotes = $page_form->dataRecord["target"];
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$TargetQuotes = "\"$TargetNoQuotes\"";
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$TestChDirNoQuotes = '$DEFAULT/.'.$TargetNoQuotes;
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$TestChDirQuotes = "\"$TestChDirNoQuotes\"";
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$MailDirMakeNoQuotes = $TargetQuotes.' $DEFAULT';
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$EchoTargetFinal = $TargetNoQuotes;
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if($page_form->dataRecord["action"] == 'move') {
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$content .= "
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`test -e ".$TestChDirQuotes." && exit 1 || exit 0`
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if ( ".'$RETURNCODE'." != 1 )
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{
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`maildirmake -f $MailDirMakeNoQuotes`
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`chmod -R 0700 ".$TestChDirQuotes."`
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`echo \"INBOX.$EchoTargetFinal\" >> ".'$DEFAULT'."/courierimapsubscribed`
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}
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";
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}
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$content .= "if (/^".$page_form->dataRecord["source"].": ";
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$searchterm = preg_quote($page_form->dataRecord["searchterm"]);
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if($page_form->dataRecord["op"] == 'contains') {
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$content .= ".*".$searchterm."/:h)\n";
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} elseif ($page_form->dataRecord["op"] == 'is') {
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$content .= $searchterm."$/:h)\n";
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} elseif ($page_form->dataRecord["op"] == 'begins') {
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$content .= $searchterm."/:h)\n";
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} elseif ($page_form->dataRecord["op"] == 'ends') {
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$content .= ".*".$searchterm."$/:h)\n";
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}
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$content .= "{\n";
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$content .= "exception {\n";
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if($page_form->dataRecord["action"] == 'move') {
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$content .= 'ID' . "$page_form->id" . 'EndFolder = "$DEFAULT/.' . $page_form->dataRecord['target'] . '/"' . "\n";
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$content .= "to ". '$ID' . "$page_form->id" . 'EndFolder' . "\n";
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} else {
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$content .= "to /dev/null\n";
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}
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$content .= "}\n";
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$content .= "}\n";
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//}
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$content .= '### END FILTER_ID:'.$page_form->id."\n";
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}
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return $content;
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}
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} // end class
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?>
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