mirror of
https://github.com/EGroupware/egroupware.git
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425 lines
13 KiB
PHP
425 lines
13 KiB
PHP
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<?php
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/*
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* $Id$
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*
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* Copyright 2002 Stephen Grier <stephengrier@users.sourceforge.net>
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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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class 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 $pcount; /* highest priority value in ruleset. */
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var $errstr; /* error text. */
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// class constructor
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function Script ($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->pcount = 0;
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$this->errstr = '';
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}
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// get sieve script rules for this user
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function retrieveRules ($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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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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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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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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$vacation = array();
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$regexps = array('^ *##PSEUDO','^ *#rule','^ *#vacation','^ *#mode');
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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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$this->so = false;
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return false;
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}
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$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,$bits)) {
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$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",$vacation['text']);
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$vacation['status'] = $bits[4];
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$vacation['addresses'] = &$vaddresses;
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}
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if (preg_match("/^ *#mode&&(.*)/i",$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 = $vacation;
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return true;
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}
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// update and save sieve script
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function updateScript ($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') {
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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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$newscriptbody .= "] text:\n" . $vacation['text'] . "\n.\n;\n\n";
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}
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// update with any changes.
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$this->vacation = $vacation;
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}
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// generate the script head
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$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 && $this->vacation['status'] == 'on') {
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$newscripthead .= ",\"vacation\"";
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}
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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 && $this->vacation['status'] == 'on')
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$newscripthead .= "require [\"vacation\"];\n\n";
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}
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// generate the encoded script foot
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$newscriptfoot = "";
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$pcount = 1;
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$newscriptfoot .= "##PSEUDO script start\n";
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foreach ($this->rules as $rule) {
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// only add rule to foot if status != deleted. this is how we delete a rule.
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if ($rule['status'] != 'DELETED') {
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$rule['action_arg'] = addslashes($rule['action_arg']);
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// we need to handle \r\n here.
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$rule['action_arg'] = preg_replace("/\r\n/","\\n",$rule['action_arg']);
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/* reset priority value. note: we only do this
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* for compatibility with Websieve. */
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$rule['priority'] = $pcount;
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$newscriptfoot .= "#rule&&" . $rule['priority'] . "&&" . $rule['status'] . "&&" .
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$rule['from'] . "&&" . $rule['to'] . "&&" . $rule['subject'] . "&&" . $rule['action'] . "&&" .
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$rule['action_arg'] . "&&" . $rule['flg'] . "&&" . $rule['field'] . "&&" . $rule['field_val'] . "&&" . $rule['size'] . "\n";
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$pcount = $pcount+2;
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}
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}
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if ($this->vacation) {
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$vacation = $this->vacation;
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$newscriptfoot .= "#vacation&&" . $vacation['days'] . "&&";
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$first = 1;
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foreach ($vacation['addresses'] as $address) {
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if (!$first) $newscriptfoot .= ", ";
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$newscriptfoot .= "\"" . $address . "\"";
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$first = 0;
|
||
|
}
|
||
|
|
||
|
$vacation['text'] = preg_replace("/\r\n/","\\n",$vacation['text']);
|
||
|
$newscriptfoot .= "&&" . $vacation['text'] . "&&" . $vacation['status'] . "\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;
|
||
|
}
|
||
|
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
?>
|