Source for file api.pm.php

<?php
////////////////////////////////////////////////////////////////////////////////
//   Copyright (C) ReloadCMS Development Team                                 //
//   http://reloadcms.sf.net                                                  //
//                                                                            //
//   This program is distributed in the hope that it will be useful,          //
//   but WITHOUT ANY WARRANTY, without even the implied warranty of           //
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     //
//                                                                            //
//   This product released under GNU General Public License v2                //
////////////////////////////////////////////////////////////////////////////////
 
 
 
define('RCMS_PM_DEFAULT_FILE', DATA_PATH.'/pm/'.$system->user['username'].'.dat');
 
function pm_disabled()
{
    $arr = parse_ini_file(CONFIG_PATH . 'disable.ini');
    return isset($arr['pm']);
}
 
function make_pm_file($file)
{
    if (!file_exists($file)) {
        $f = fopen($file, "w"); 
        fclose($f);
    }
}
 
function getUserData($username){
        global $system;
        $result = @unserialize(@file_get_contents(USERS_PATH . basename($username)));
        if(empty($result)) return false; else return $result;
}
 
make_pm_file(RCMS_PM_DEFAULT_FILE);
 
$_CACHE['gbook'] = array();
 
function pm_get_msgs($page = 0, $parse = true, $limited = true, $file = RCMS_PM_DEFAULT_FILE) {
    global $_CACHE, $system;
    $all_pm = 0;
    $new_pm = 0;
    $pm_hint = __('No new messages');
    $ret = array($all_pm, $new_pm, $pm_hint);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($data)){
        $c    = sizeof($data);
        $ndata = $rdata = array();
        foreach ($data as $key => $value) $ndata[$key . ''] = $value;
        $ndata = array_reverse($ndata, true);
        if($page !== null){
            $i = 0;
            while($i < (($page+1) * $system->config['perpage']) && $el = each($ndata)){
                if($i >= $page * $system->config['perpage']) $rdata[$el['key']] = $el['value'];
                $i++;
            }
        } else {
            $rdata = $ndata;
        }
        if($parse){
            foreach($rdata as $id => $msg){
                if(!empty($msg)) {
                    $rdata[$id]['text'] = rcms_parse_text($msg['text'], !$limited, false, !$limited);
                    $all_pm++;
                    if ($msg['new'] == "1"){
                        $new_pm++;
                        $pm_hint = rcms_format_time('H:i:s d.m.Y', $msg['time']).' - '.__('last new message from ').$msg['username'].' ('.$msg['nickname'].')';
                    }
                }
            }
        }
        return array($all_pm, $new_pm, $pm_hint);
    } else return $ret;
}
 
function pm_get_msg_by_id($num = 10, $parse = true, $limited, $mid = '0', $file = RCMS_PM_DEFAULT_FILE) {
    global $_CACHE, $system;
    $t='';
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($data)){
        $ndata = $rdata = array();
        foreach ($data as $key => $value) $ndata[$key . ''] = $value;
        $ndata = array_reverse($ndata, true);
        if($num !== null){
            $i = 0;
            while($i < $num && $el = each($ndata)){
                $rdata[$el['key']] = $el['value'];
                $i++;
            }
        } else {
            $rdata = $ndata;
        }
        if($parse){
            $t= $rdata[$mid]['text'];
        }
    }
    return $t;
}
 
function pm_get_all_msgs($num = 10, $parse = true, $limited, $file = RCMS_PM_DEFAULT_FILE) {
    global $_CACHE, $system;
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($data)){
        $ndata = $rdata = array();
        foreach ($data as $key => $value) $ndata[$key . ''] = $value;
        $ndata = array_reverse($ndata, true);
        if($num !== null){
            $i = 0;
            while($i < $num && $el = each($ndata)){
                $rdata[$el['key']] = $el['value'];
                $i++;
            }
        } else {
            $rdata = $ndata;
        }
        if($parse){
            foreach($rdata as $id => $msg){
                if(!empty($msg)) {
                    $rdata[$id]['text'] = rcms_parse_text($msg['text'], !$limited, false, !$limited);
                    $rdata[$id]['new'] = $msg['new'];
                    $rdata[$id]['username'] = $msg['username'];
                    $rdata[$id]['nickname'] = $msg['nickname'];
                    $rdata[$id]['time'] = rcms_format_time('H:i:s d.m.Y', $msg['time']);
                }
            }
        }
        
        return $rdata;
    } else return array();
}
 
function pm_set_all_nonew($num = 10, $parse = true, $limited, $file = RCMS_PM_DEFAULT_FILE) {
    global $_CACHE, $system;
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($data)){
        $ndata = $rdata = array();
        foreach ($data as $key => $value) $ndata[$key . ''] = $value;
        if($num !== null){
            $i = 0;
            while($i < $num && $el = each($ndata)){
                $rdata[$el['key']] = $el['value'];
                $i++;
            }
        } else {
            $rdata = $ndata;
        }
        if($parse){
            foreach($rdata as $id => $msg){
                if(!empty($msg)) {
                    $msg['new'] = '0';
                    $rdata[$id]=$msg;
                }
            }
        }
        return file_write_contents($file, serialize($rdata));
    }
}
 
function pm_get_pages_num($file = RCMS_PM_DEFAULT_FILE) {
    global $_CACHE, $system;
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    if(!empty($system->config['perpage'])) {
        return ceil(sizeof($data)/$system->config['perpage']);
    } else return 1;
}
 
function pm_post_msg($username, $nickname, $text, $to) {
    global $_CACHE, $system;
    $text = trim($text);
    if(empty($text)) return false;
    if(!getUserData($to)) return false;
    $file = DATA_PATH.'/pm/'.$to.'.dat';
    make_pm_file($file);
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    $newmesg['username'] = $username;
    $newmesg['nickname'] = htmlspecialchars($nickname);
    $newmesg['time'] = rcms_get_time();
    $newmesg['text'] = $text;
    $newmesg['new'] = '1';
    $data[] = $newmesg;
    return file_write_contents($file, serialize($data));
}
 
function pm_post_remove($id, $file = RCMS_PM_DEFAULT_FILE) {
    global $_CACHE;
    $data = &$_CACHE['gbook'][$file];
    if(!isset($data)) {
        if (!is_readable($file) || !($data = unserialize(file_get_contents($file)))) $data = array();
    }
    rcms_remove_index($id, $data, true);
    return file_write_contents($file, serialize($data));
}
?>