mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-15 04:24:41 +01:00
519 lines
18 KiB
PHP
519 lines
18 KiB
PHP
<?php
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/**
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* EGroupware EMailAdmin: Support for Sieve scripts
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*
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* See the inclosed smartsieve-NOTICE file for conditions of use and distribution.
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*
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* @link http://www.egroupware.org
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* @package emailadmin
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* @author Stephen Grier <stephengrier@users.sourceforge.net>
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* @copyright 2002 by Stephen Grier <stephengrier@users.sourceforge.net>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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/**
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* Support for Sieve scripts
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*/
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class emailadmin_script {
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var $name; /* filename of script. */
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var $script; /* full ascii text of script from server. */
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var $size; /* size of script in bytes. */
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var $so; /* boolean: is it safe to overwrite script?
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* only safe if we recognise encoding. */
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var $mode; /* basic or advanced. Smartsieve can only read/write basic. */
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var $rules; /* array of sieve rules. */
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var $vacation; /* vacation settings. */
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var $emailNotification; /* email notification settings. */
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var $pcount; /* highest priority value in ruleset. */
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var $errstr; /* error text. */
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/**
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* Switch on some error_log debug messages
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*
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* @var boolean
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*/
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var $debug=false;
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// class constructor
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function __construct ($scriptname) {
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$this->name = $scriptname;
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$this->script = '';
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$this->size = 0;
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$this->so = true;
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$this->mode = '';
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$this->rules = array();
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$this->vacation = array();
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$this->emailNotification = array(); // Added email notifications
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$this->pcount = 0;
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$this->errstr = '';
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}
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// get sieve script rules for this user
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/**
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* Retrieve the rules
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*
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* @param bosieve $connection
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* @return boolean true, if script written successfull
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*/
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function retrieveRules ($connection) {
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#global $_SESSION;
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$continuebit = 1;
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$sizebit = 2;
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$anyofbit = 4;
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$keepbit = 8;
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$regexbit = 128;
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if (!isset($this->name)){
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$this->errstr = 'retrieveRules: no script name specified';
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if ($this->debug) error_log(__CLASS__.'::'.__METHOD__.": no script name specified");
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return false;
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}
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if (!is_object($connection)) {
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$this->errstr = "retrieveRules: no sieve session open";
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if ($this->debug) error_log(__CLASS__.'::'.__METHOD__.": no sieve session open");
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return false;
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}
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// if script doesn't yet exist, nothing to retrieve.
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// safe to write to this script file.
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#LK if (!AppSession::scriptExists($this->name)) {
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#LK $this->so = true;
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#LK return true;
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#LK }
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#print "<br><br><br><br>get Script ". $this->name ."<bR>";
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if(PEAR::isError($script = $connection->getScript($this->name))) {
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if ($this->debug) error_log(__CLASS__.'::'.__METHOD__.": error retrieving script: ".$script->getMessage());
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return $script;
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}
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#print "<br>AAA: Script is ". htmlentities($script) ."<br>";
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$lines = array();
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$lines = preg_split("/\n/",$script); //,PREG_SPLIT_NO_EMPTY);
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$rules = array();
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$vacation = array();
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$emailNotification = array(); // Added email notifications
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$regexps = array('^ *##PSEUDO','^ *#rule','^ *#vacation','^ *#mode');
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$regexps[] = '^ *#notify'; // Added email notifications
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/* first line should be the script size. eg: {123}. */
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#$line = array_shift($lines);
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#if (!preg_match("/^\{(\d+)\}$/", $line, $bits)){
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# print 'retrieveRules: unexpected value: ' . $line .'<br>';
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# $this->errstr = 'retrieveRules: unexpected value: ' . $line;
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# return false;
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#}
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#LK $this->size = $bits[1];
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/* next line should be the recognised encoded head. if not, the script
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* is of an unrecognised format, and we should not overwrite it. */
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$line = array_shift($lines);
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if (!preg_match("/^# ?Mail(.*)rules for/", $line)){
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$this->errstr = 'retrieveRules: encoding not recognised';
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$this->so = false;
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if ($this->debug) error_log(__CLASS__.'::'.__METHOD__.": encoding not recognised");
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return false;
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}
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$this->so = true;
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$line = array_shift($lines);
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while (isset($line)){
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foreach ($regexps as $regexp){
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if (preg_match("/$regexp/i",$line)){
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$line = rtrim($line);
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if (preg_match("/^ *#rule&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)$/i",$line,$bits)){
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$rule = array();
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$rule['priority'] = $bits[1];
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$rule['status'] = $bits[2];
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$rule['from'] = stripslashes($bits[3]);
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$rule['to'] = stripslashes($bits[4]);
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$rule['subject'] = stripslashes($bits[5]);
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$rule['action'] = $bits[6];
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$rule['action_arg'] = $bits[7];
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// <crnl>s will be encoded as \\n. undo this.
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$rule['action_arg'] = preg_replace("/\\\\n/","\r\n",$rule['action_arg']);
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$rule['action_arg'] = stripslashes($rule['action_arg']);
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$rule['flg'] = $bits[8]; // bitwise flag
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$rule['field'] = stripslashes($bits[9]);
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$rule['field_val'] = stripslashes($bits[10]);
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$rule['size'] = $bits[11];
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$rule['continue'] = ($bits[8] & $continuebit);
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$rule['gthan'] = ($bits[8] & $sizebit); // use 'greater than'
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$rule['anyof'] = ($bits[8] & $anyofbit);
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$rule['keep'] = ($bits[8] & $keepbit);
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$rule['regexp'] = ($bits[8] & $regexbit);
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$rule['unconditional'] = 0;
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if (!$rule['from'] && !$rule['to'] && !$rule['subject'] &&
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!$rule['field'] && !$rule['size'] && $rule['action']) {
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$rule['unconditional'] = 1;
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}
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array_push($rules,$rule);
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if ($rule['priority'] > $this->pcount) {
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$this->pcount = $rule['priority'];
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}
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}
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if (preg_match("/^ *#vacation&&(.*)&&(.*)&&(.*)&&(.*)&&(.*)/i",$line,$bits) ||
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preg_match("/^ *#vacation&&(.*)&&(.*)&&(.*)&&(.*)/i",$line,$bits)) {
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$vacation['days'] = $bits[1];
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$vaddresslist = $bits[2];
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$vaddresslist = preg_replace("/\"|\s/","",$vaddresslist);
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$vaddresses = array();
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$vaddresses = preg_split("/,/",$vaddresslist);
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$vacation['text'] = $bits[3];
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// <crnl>s will be encoded as \\n. undo this.
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$vacation['text'] = preg_replace("/\\\\n/","\r\n",$vacation['text']);
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if (strpos($bits[4],'-')!== false)
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{
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$vacation['status'] = 'by_date';
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list($vacation['start_date'],$vacation['end_date']) = explode('-',$bits[4]);
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}
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else
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{
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$vacation['status'] = $bits[4];
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}
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$vacation['addresses'] = &$vaddresses;
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$vacation['forwards'] = $bits[5];
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}
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if (preg_match("/^ *#notify&&(.*)&&(.*)&&(.*)/i",$line,$bits)) {
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$emailNotification['status'] = $bits[1];
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$emailNotification['externalEmail'] = $bits[2];
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$emailNotification['displaySubject'] = $bits[3];
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}
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if (preg_match("/^ *#mode&&(.*)/i",$line,$bits)){
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if ($bits[1] == 'basic')
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$this->mode = 'basic';
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elseif ($bits[1] == 'advanced')
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$this->mode = 'advanced';
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else
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$this->mode = 'unknown';
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}
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}
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}
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$line = array_shift($lines);
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}
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$this->script = $script;
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$this->rules = $rules;
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$this->vacation = $vacation;
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$this->emailNotification = $emailNotification; // Added email notifications
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if ($this->debug) error_log(__CLASS__.'::'.__METHOD__.": Script succesful retrieved: ".print_r($vacation,true));
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return true;
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}
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// update and save sieve script
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function updateScript ($connection)
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{
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#global $_SESSION,$default,$sieve;
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global $default,$sieve;
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$activerules = 0;
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$regexused = 0;
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$rejectused = 0;
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$username = $GLOBALS['egw_info']['user']['account_lid'];
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$version = $GLOBALS['egw_info']['apps']['felamimail']['version'];
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//include "$default->lib_dir/version.php";
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if (!is_object($connection))
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{
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$this->errstr = "updateScript: no sieve session open";
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return false;
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}
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// don't overwrite a file if not created by SmartSieve,
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// unless configured to do so.
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#LK if (!$this->so && !$default->allow_write_unrecognised_scripts) {
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#LK $this->errstr = 'updateScript: encoding not recognised: not safe to overwrite ' . $this->name;
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#LK return false;
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#LK }
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// lets generate the main body of the script from our rules
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$newscriptbody = "";
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$continue = 1;
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foreach ($this->rules as $rule) {
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$newruletext = "";
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// don't print this rule if disabled.
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if ($rule['status'] != 'ENABLED') {
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} else {
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$activerules = 1;
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// conditions
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$anyall = "allof";
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if ($rule['anyof']) $anyall = "anyof";
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if ($rule['regexp']) {
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$regexused = 1;
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}
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$started = 0;
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if (!$rule['unconditional']) {
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if (!$continue) $newruletext .= "els";
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$newruletext .= "if " . $anyall . " (";
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if ($rule['from']) {
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if (preg_match("/^\s*!/", $rule['from'])){
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$newruletext .= 'not ';
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$rule['from'] = preg_replace("/^\s*!/","",$rule['from']);
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}
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$match = ':contains';
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if (preg_match("/\*|\?/", $rule['from'])) $match = ':matches';
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if ($rule['regexp']) $match = ':regex';
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$newruletext .= "address " . $match . " [\"From\"]";
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$newruletext .= " \"" . addslashes($rule['from']) . "\"";
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$started = 1;
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}
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if ($rule['to']) {
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if ($started) $newruletext .= ", ";
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if (preg_match("/^\s*!/", $rule['to'])){
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$newruletext .= 'not ';
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$rule['to'] = preg_replace("/^\s*!/","",$rule['to']);
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}
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$match = ':contains';
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if (preg_match("/\*|\?/", $rule['to'])) $match = ':matches';
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if ($rule['regexp']) $match = ':regex';
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$newruletext .= "address " . $match . " [\"To\",\"TO\",\"Cc\",\"CC\"]";
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$newruletext .= " \"" . addslashes($rule['to']) . "\"";
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$started = 1;
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}
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if ($rule['subject']) {
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if ($started) $newruletext .= ", ";
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if (preg_match("/^\s*!/", $rule['subject'])){
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$newruletext .= 'not ';
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$rule['subject'] = preg_replace("/^\s*!/","",$rule['subject']);
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}
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$match = ':contains';
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if (preg_match("/\*|\?/", $rule['subject'])) $match = ':matches';
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if ($rule['regexp']) $match = ':regex';
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$newruletext .= "header " . $match . " \"subject\"";
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$newruletext .= " \"" . addslashes($rule['subject']) . "\"";
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$started = 1;
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}
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if ($rule['field'] && $rule['field_val']) {
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if ($started) $newruletext .= ", ";
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if (preg_match("/^\s*!/", $rule['field_val'])){
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$newruletext .= 'not ';
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$rule['field_val'] = preg_replace("/^\s*!/","",$rule['field_val']);
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}
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$match = ':contains';
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if (preg_match("/\*|\?/", $rule['field_val'])) $match = ':matches';
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if ($rule['regexp']) $match = ':regex';
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$newruletext .= "header " . $match . " \"" . addslashes($rule['field']) . "\"";
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$newruletext .= " \"" . addslashes($rule['field_val']) . "\"";
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$started = 1;
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}
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if ($rule['size']) {
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$xthan = " :under ";
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if ($rule['gthan']) $xthan = " :over ";
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if ($started) $newruletext .= ", ";
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$newruletext .= "size " . $xthan . $rule['size'] . "K";
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$started = 1;
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}
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}
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// actions
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if (!$rule['unconditional']) $newruletext .= ") {\n\t";
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if (preg_match("/folder/i",$rule['action'])) {
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$newruletext .= "fileinto \"" . $rule['action_arg'] . "\";";
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}
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if (preg_match("/reject/i",$rule['action'])) {
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$newruletext .= "reject text: \n" . $rule['action_arg'] . "\n.\n;";
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$rejectused = 1;
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}
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if (preg_match("/address/i",$rule['action'])) {
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$newruletext .= "redirect \"" . $rule['action_arg'] . "\";";
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}
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if (preg_match("/discard/i",$rule['action'])) {
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$newruletext .= "discard;";
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}
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if ($rule['keep']) $newruletext .= "\n\tkeep;";
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if (!$rule['unconditional']) $newruletext .= "\n}";
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$continue = 0;
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if ($rule['continue']) $continue = 1;
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if ($rule['unconditional']) $continue = 1;
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$newscriptbody .= $newruletext . "\n\n";
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} // end 'if ! ENABLED'
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}
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// vacation rule
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if ($this->vacation) {
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$vacation = $this->vacation;
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if (!$vacation['days']) $vacation['days'] = $default->vacation_days;
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if (!$vacation['text']) $vacation['text'] = $default->vacation_text;
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if (!$vacation['status']) $vacation['status'] = 'on';
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// filter out invalid addresses.
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$ok_vaddrs = array();
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foreach($vacation['addresses'] as $addr){
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if ($addr != '' && preg_match("/\@/",$addr))
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array_push($ok_vaddrs,$addr);
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}
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$vacation['addresses'] = $ok_vaddrs;
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if (!$vacation['addresses'][0]){
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$defaultaddr = $sieve->user . '@' . $sieve->maildomain;
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array_push($vacation['addresses'],$defaultaddr);
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}
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if ($vacation['status'] == 'on' || $vacation['status'] == 'by_date' &&
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$vacation['start_date'] <= time() && time() < $vacation['end_date']+24*3600) // +24*3600 to include the end_date day
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{
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if (trim($vacation['forwards'])) {
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$if = array();
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foreach($vacation['addresses'] as $addr) {
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$if[] = 'address :contains ["To","TO","Cc","CC"] "'.$addr.'"';
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}
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$newscriptbody .= 'if anyof ('.implode(', ',$if).") {\n";
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foreach(preg_split('/, ?/',$vacation['forwards']) as $addr) {
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$newscriptbody .= "\tredirect \"".$addr."\";\n";
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}
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$newscriptbody .= "\tkeep;\n}\n";
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}
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$vacation_active = true;
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$newscriptbody .= "vacation :days " . $vacation['days'] . " :addresses [";
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$first = 1;
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foreach ($vacation['addresses'] as $vaddress) {
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if (!$first) $newscriptbody .= ", ";
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$newscriptbody .= "\"" . $vaddress . "\"";
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$first = 0;
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}
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$message = $vacation['text'];
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if ($vacation['start_date'] || $vacation['end_date'])
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{
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$message = str_replace(array('$$start$$','$$end$$'),array(
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date($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'],$vacation['start_date']),
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date($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'],$vacation['end_date']),
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),$message);
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}
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$newscriptbody .= "] text:\n" . $message . "\n.\n;\n\n";
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}
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// update with any changes.
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$this->vacation = $vacation;
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}
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if ($this->emailNotification && $this->emailNotification['status'] == 'on') {
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// format notification email header components
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$notification_email = $this->emailNotification['externalEmail'];
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// format notification body
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$egw_site_title = $GLOBALS['egw_info']['server']['site_title'];
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$notification_body = lang("You have received a new message on the")." {$egw_site_title}"."\n";
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$notification_body .= "\n";
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$notification_body .= 'From: $from$'."\n";
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if ($this->emailNotification['displaySubject']) {
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$notification_body .= 'Subject: $subject$'."\n";
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}
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//$notification_body .= 'Size: $size$'."\n";
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$newscriptbody .= 'notify :message "'.$notification_body.'" :method "mailto" :options "'.$notification_email.'";'."\n";
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//$newscriptbody .= 'notify :message "'.$notification_body.'" :method "mailto" :options "'.$notification_email.'?subject='.$notification_subject.'";'."\n";
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$newscriptbody .= 'keep;'."\n\n";
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}
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// generate the script head
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$newscripthead = "";
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$newscripthead .= "#Mail filter rules for " . $username . "\n";
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$newscripthead .= '#Generated by ' . $username . ' using FeLaMiMail ' . $version . ' ' . date($default->script_date_format);
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$newscripthead .= "\n";
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if ($activerules) {
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$newscripthead .= "require [\"fileinto\"";
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if ($regexused) $newscripthead .= ",\"regex\"";
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if ($rejectused) $newscripthead .= ",\"reject\"";
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if ($this->vacation && $vacation_active) {
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$newscripthead .= ",\"vacation\"";
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}
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if ($this->emailNotification && $this->emailNotification['status'] == 'on') $newscripthead .= ',"notify"'; // Added email notifications
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$newscripthead .= "];\n\n";
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} else {
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// no active rules, but might still have an active vacation rule
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if ($this->vacation && $vacation_active)
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$newscripthead .= "require [\"vacation\"];\n\n";
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if ($this->emailNotification && $this->emailNotification['status'] == 'on') $newscripthead .= "require [\"notify\"];\n\n"; // Added email notifications
|
|
}
|
|
|
|
|
|
// generate the encoded script foot
|
|
|
|
$newscriptfoot = "";
|
|
$pcount = 1;
|
|
$newscriptfoot .= "##PSEUDO script start\n";
|
|
foreach ($this->rules as $rule) {
|
|
// only add rule to foot if status != deleted. this is how we delete a rule.
|
|
if ($rule['status'] != 'DELETED') {
|
|
$rule['action_arg'] = addslashes($rule['action_arg']);
|
|
// we need to handle \r\n here.
|
|
$rule['action_arg'] = preg_replace("/\r\n/","\\n",$rule['action_arg']);
|
|
/* reset priority value. note: we only do this
|
|
* for compatibility with Websieve. */
|
|
$rule['priority'] = $pcount;
|
|
$newscriptfoot .= "#rule&&" . $rule['priority'] . "&&" . $rule['status'] . "&&" .
|
|
addslashes($rule['from']) . "&&" . addslashes($rule['to']) . "&&" . addslashes($rule['subject']) . "&&" . $rule['action'] . "&&" .
|
|
addslashes($rule['action_arg']) . "&&" . $rule['flg'] . "&&" . addslashes($rule['field']) . "&&" . addslashes($rule['field_val']) . "&&" . $rule['size'] . "\n";
|
|
$pcount = $pcount+2;
|
|
}
|
|
}
|
|
|
|
if ($this->vacation) {
|
|
$vacation = $this->vacation;
|
|
$newscriptfoot .= "#vacation&&" . $vacation['days'] . "&&";
|
|
$first = 1;
|
|
foreach ($vacation['addresses'] as $address) {
|
|
if (!$first) $newscriptfoot .= ", ";
|
|
$newscriptfoot .= "\"" . $address . "\"";
|
|
$first = 0;
|
|
}
|
|
|
|
$vacation['text'] = preg_replace("/\r\n/","\\n",$vacation['text']);
|
|
$newscriptfoot .= "&&" . $vacation['text'] . "&&" .
|
|
($vacation['status']=='by_date' ? $vacation['start_date'].'-'.$vacation['end_date'] : $vacation['status']);
|
|
if ($vacation['forwards']) $newscriptfoot .= '&&' . $vacation['forwards'];
|
|
$newscriptfoot .= "\n";
|
|
}
|
|
if ($this->emailNotification) {
|
|
$emailNotification = $this->emailNotification;
|
|
$newscriptfoot .= "#notify&&" . $emailNotification['status'] . "&&" . $emailNotification['externalEmail'] . "&&" . $emailNotification['displaySubject'] . "\n";
|
|
}
|
|
|
|
$newscriptfoot .= "#mode&&basic\n";
|
|
|
|
$newscript = $newscripthead . $newscriptbody . $newscriptfoot;
|
|
$this->script = $newscript;
|
|
#print "<pre>$newscript</pre>"; exit;
|
|
$scriptfile = $this->name;
|
|
#print "<hr><pre>".htmlentities($newscript)."</pre><hr>";
|
|
if (!$connection->installScript($this->name, $newscript, true)) {
|
|
$this->errstr = 'updateScript: putscript failed: ' . $connection->errstr;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|