philter/philter/include/rule.inc.php

   1 <?php
   2 /********************************************************************************
   3 * include/rule.inc.php : The class representing One rule
   4 * --------------------
   5 *
   6 * This file is part of the philter distribution
   7 * Copyright: See COPYING files that comes with this distribution
   8 ********************************************************************************/
   9
  10 function rule_cmp($r1, $r2) {
  11     return ($r1->rank - $r2->rank);
  12 }
  13
  14 function to_js_str($s) {
  15     if((string)((int)($s))==$s)
  16         return((int)($s));
  17     $s = addslashes(stripslashes($s));
  18     $s = str_replace("\r\n", '\n', $s);
  19     $s = str_replace("\n", '\n', $s);
  20     return  "'$s'";
  21 }
  22
  23 /** this class represents One rule of filtering
  24  */
  25 class Rule {
  26     /** rank of the rule */
  27     var $rank;
  28     /** all the matches that the Rule use */
  29     var $matches;
  30     /** all the actions that the Rule use */
  31     var $actions;
  32     /** name of the rule */
  33     var $name;
  34     /** true if we must stop if the rule matches */
  35     var $block;
  36     /** true if all matches must match, false if only one is enough */
  37     var $all;
  38
  39     function Rule($_rank,$_flags,$_name) {
  40         $this->matches = array();
  41         $this->actions = array();
  42         $this->rank = $_rank;
  43         $this->name = $_name;
  44         $this->all = (stristr($_flags,'all')!==false);
  45         $this->block = (stristr($_flags,'block')!==false);
  46     }
  47
  48     function sql_get_actions($_uid, $_rid) {
  49         global $philter;
  50
  51         $left_joins = "";
  52         foreach($philter->config['action_plugins'] as $plug)
  53             $left_joins .= $plug->sql_get();
  54
  55         $bd = bd()."actions";
  56         $sql = mysql_query("SELECT * FROM $bd WHERE $bd.uid='$_uid' AND $bd.rid='$_rid' ".$left_joins);
  57
  58         while($t = mysql_fetch_assoc($sql))
  59             $this->actions[] = $philter->config['action_plugins'][$t['pid']]->sql_to_data($t);
  60     }
  61
  62     function sql_get_matches($_uid, $_rid) {
  63         global $philter;
  64
  65         $left_joins = "";
  66         foreach($philter->config['match_plugins'] as $plug)
  67             $left_joins .= $plug->sql_get();
  68
  69         $bd = bd()."matches";
  70         $sql = mysql_query("SELECT * FROM $bd WHERE $bd.uid='$_uid' AND $bd.rid='$_rid' ".$left_joins);
  71
  72         if($_rid)
  73             while($t = mysql_fetch_assoc($sql))
  74                 $this->matches[] = $philter->config['match_plugins'][$t['pid']]->sql_to_data($t);
  75         else
  76             while($t = mysql_fetch_assoc($sql))
  77                 $this->matches[] = $philter->config['global_plugins'][$t['pid']]->sql_to_data($t);
  78     }
  79
  80     function move_to($_new_rank, $_uid, $_rid) {
  81         if($this->rank == $_new_rank)
  82             return;
  83         $this->rank = $_new_rank;
  84         mysql_query("UPDATE ".bd()."rules SET rank='$_new_rank' WHERE uid='$_uid' AND rid='$_rid'");
  85     }
  86
  87     function to_string() {
  88         return "";
  89     }
  90
  91     function sql_clean($_uid, $_rid) {
  92         global $philter;
  93
  94         mysql_query("DELETE FROM ".bd()."rules WHERE uid='$_uid' AND rid='$_rid'");
  95         mysql_query("DELETE FROM ".bd()."actions WHERE uid='$_uid' AND rid='$_rid'");
  96         mysql_query("DELETE FROM ".bd()."matches WHERE uid='$_uid' AND rid='$_rid'");
  97         foreach($philter->config['action_plugins'] as $plug)
  98             $plug->sql_clean($_uid, $_rid);
  99         foreach($philter->config['match_plugins'] as $plug)
 100             $plug->sql_clean($_uid, $_rid);
 101     }
 102
 103     function sql_store($_uid, $_rid) {
 104         global $philter;
 105
 106         $flags = Array();
 107         if($this->all)      $flags[] = 'all';
 108         if($this->block)    $flags[] = 'block';
 109         $flags = implode(',',$flags);
 110
 111         $this->sql_clean($_uid,$_rid);
 112
 113         mysql_query("INSERT INTO ".bd()."rules SET uid='$_uid',rid='$_rid',rank='{$this->rank}',flags='$flags',name='{$this->name}'");
 114
 115         if($_rid) {
 116             foreach($this->matches as $match)
 117                 $philter->config['match_plugins'][$match[0]]->sql_store($_uid, $_rid, $match);
 118
 119             foreach($this->actions as $action)
 120                 $philter->config['action_plugins'][$action[0]]->sql_store($_uid, $_rid, $action);
 121         } else
 122             foreach($this->matches as $match)
 123                 $philter->config['global_plugins'][$match[0]]->sql_store($_uid, $_rid, $match);
 124     }
 125
 126     function to_js() {
 127         $matches = array();
 128         foreach($this->matches as $data) {
 129             ksort($data);
 130             $data = array_map('to_js_str', $data);
 131             $matches[] = '[' . implode(',', $data) . ']';
 132         }
 133         $matches = '['.implode(',',$matches).']';
 134
 135         $actions = array();
 136         foreach($this->actions as $data) {
 137             ksort($data);
 138             $data = array_map('to_js_str', $data);
 139             $actions[] = '[' . implode(',', $data) . ']';
 140         }
 141         $actions = '['.implode(',',$actions).']';
 142
 143         return "{ all: ".($this->all ? "1" : "0")
 144             .", block: ".($this->block ? "1" : "0")
 145             .", name: '{$this->name}', matches: ".$matches
 146             .", actions: ".$actions." }";
 147     }
 148 }
 149
 150 /********************************************************************************
 151 * $Id$
 152 * vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 textwidth=100:
 153 ********************************************************************************/
 154 ?>