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<?php
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// $Id: fudforum.module,v 1.20 2009/10/26 19:30:23 naudefj Exp $
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// Code based on http://books.google.co.za/books?id=VmZrdGuBZCMC&pg=PA130
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function _fudforum_settings() {
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/* load forum config */
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$fudinc = variable_get('fudforum_inc', '/path/to/GLOBALS.php');
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$data = file_get_contents($fudinc);
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eval(str_replace('<?php', '', substr_replace($data, '', strpos($data, 'require'))));
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/* Export variables required later */
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$GLOBALS['FUD_HOST'] = $DBHOST;
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$GLOBALS['FUD_USER'] = $DBHOST_USER;
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$GLOBALS['FUD_PASS'] = $DBHOST_PASSWORD;
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$GLOBALS['FUD_DB'] = $DBHOST_DBNAME;
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$GLOBALS['FUD_PREFIX'] = $DBHOST_TBL_PREFIX;
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$GLOBALS['COOKIE_NAME'] = $COOKIE_NAME;
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$GLOBALS['COOKIE_DOMAIN'] = $COOKIE_DOMAIN;
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$GLOBALS['FUD_TIMEOUT'] = $LOGEDIN_TIMEOUT;
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$GLOBALS['FUD_URL'] = $WWW_ROOT . variable_get('fudforum_root', 'index.php') .'/';
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$GLOBALS['FUD_URL'] = preg_replace('/\/\/$/', '/', $GLOBALS['FUD_URL']);
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}
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function _fudforum_connect() {
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_fudforum_settings();
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// mysql_query("SET NAMES 'utf8'");
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$fuddb = mysql_connect($GLOBALS['FUD_HOST'], $GLOBALS['FUD_USER'], $GLOBALS['FUD_PASS'], true);
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if (!$fuddb) {
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watchdog('FUDforum', 'Unable to connect to database!');
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return FALSE;
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}
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$db_selected = mysql_select_db($GLOBALS['FUD_DB'], $fuddb);
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if (!$db_selected) {
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watchdog('FUDforum', 'Unable to select database!');
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return FALSE;
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}
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return $fuddb;
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}
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function _fudforum_query($qstr) {
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$qstr = preg_replace('/{([^}]+)}/', $GLOBALS['FUD_PREFIX'] .'\\1', $qstr);
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$q = mysql_query($qstr);
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return $q;
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}
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function _fudforum_disconnect($fuddb) {
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mysql_close($fuddb);
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}
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function fudforum_help($path, $arg) {
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$output = '';
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switch ($path) {
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case 'admin/help#fudforum':
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break;
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case 'admin/modules#description':
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$output .= t('This module provides integration with FUDforum: New forum posts, Forum statistics, Login block and extenal authentication against the forum user base.');
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break;
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}
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return $output;
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}
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function fudforum_menu() {
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$items = array();
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$items['admin/settings/fudforum'] = array(
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'title' => 'FUDforum settings',
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'description' => t('Change FUDforum integration settings'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('fudforum_admin_settings'),
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'access arguments' => array('administer site configuration'),
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'type' => MENU_NORMAL_ITEM,
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);
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return $items;
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}
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// function fudforum_admin_settings($form_state) {
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function fudforum_admin_settings() {
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// Only administrators can access this page
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if (!user_access('access administration pages'))
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return message_access();
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$form = array();
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$form['fudstatus'] = array('#type' => 'fieldset',
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'#title' => t('FUDforum status'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE);
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$roles = user_roles(1);
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if ( array_search('forum user', $roles) === FALSE)
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$form['fudstatus']['info1'] = array('#type' => 'markup',
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'#value' => '<div class="error">Please create a "forum user" role as per install instructions!</div>');
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if ( array_search('forum moderator', $roles) === FALSE)
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$form['fudstatus']['info2'] = array('#type' => 'markup',
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'#value' => '<div class="error">Please create a "forum moderator" role as per install instructions!</div>');
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$fudinc = variable_get('fudforum_inc', '/path/to/GLOBALS.php');
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if (file_exists($fudinc)) {
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$fuddb = _fudforum_connect();
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if (!$fuddb)
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$form['fudstatus']['info3'] = array('#type' => 'markup',
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'#value' => '<div class="error">Unable to connect to the FUDforum database. Please fix your forum settings!</div>');
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else {
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$form['fudstatus']['info4'] = array('#type' => 'markup',
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'#value' => '<div class="ok">Successfully connected to the FUDforum database.</div>');
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_fudforum_disconnect($fuddb);
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}
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} else {
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$form['fudstatus']['info5'] = array('#type' => 'markup',
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'#value' => '<div class="error">Error locating GLOBALS.php. Please fix your settings!</div>');
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}
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$form['fudsettings'] = array('#type' => 'fieldset',
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'#title' => t('FUDforum settings'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE);
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$form['fudsettings']['fudforum_inc'] = array('#type' => 'textfield',
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'#title' => t('Path to GLOBALS.php'),
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'#maxlength' => '128', '#size' => '60',
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'#default_value' => $fudinc,
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'#description' => t('Enter the full directory path where FUDforum\'s GLOBALS.php file is located.'));
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$form['fudsettings']['fudforum_root'] = array('#type' => 'textfield',
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'#title' => t('FUDforum root'),
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'#maxlength' => '30', '#size' => '30',
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'#default_value' => variable_get('fudforum_root', 'index.php'),
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'#description' => t('File to call in forum directory. This setting is used when linking to the forum.'));
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return system_settings_form($form);
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}
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function fudforum_init() {
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global $user;
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// Try to log user in
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if (!$user->uid) {
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_fudforum_settings(); // Get FUDforum's cookie name
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if ( ! empty($_COOKIE[ $GLOBALS['COOKIE_NAME'] ]) ) {
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// drupal_set_message("Forum cookie found, try autologin");
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$fuddb = _fudforum_connect();
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$sess = $_COOKIE[ $GLOBALS['COOKIE_NAME'] ];
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$q = _fudforum_query('SELECT u.login, u.passwd FROM {ses} s INNER JOIN {users} u ON u.id=(CASE WHEN u.id > 1 AND s.user_id>2000000000 THEN 1 ELSE s.user_id END) WHERE s.ses_id = "'. mysql_real_escape_string($sess) . '"');
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$r = mysql_fetch_row($q);
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fudforum_authenticate( array("name" => $r[0], "pass" => $r[1]) );
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}
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}
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}
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function fudforum_block($op = 'list', $delta = 0, $edit = array()) {
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if ($op == 'list') {
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$blocks[0]['info'] = t('FUDforum: User login');
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$blocks[1]['info'] = t('FUDforum: New forum posts');
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$blocks[2]['info'] = t('FUDforum: Online forum users');
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$blocks[3]['info'] = t('FUDforum: Forum statistics');
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return $blocks;
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}
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else if ($op == 'view') {
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global $user;
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$block = array();
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switch ($delta) {
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case 0:
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// avoid showing two login forms on one page.
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if (!$user->uid && !(arg(0) == 'user' && !is_numeric(arg(1)))) {
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$block['subject'] = t('User login');
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$block['content'] = drupal_get_form('fudforum_login_form');
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}
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return $block;
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case 1:
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$fuddb = _fudforum_connect();
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if ($fuddb) {
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$q = _fudforum_query('SELECT distinct thread_id, subject FROM {msg} ORDER BY post_stamp DESC LIMIT 10');
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$c = '<div class="item-list"><ul>';
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while ( $r = mysql_fetch_row($q) ) {
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$c .= '<li><a href="'. $GLOBALS['FUD_URL'] .'t/' . $r[0] . '/0/">' . $r[1] . '</a><br/>';
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}
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_fudforum_disconnect($fuddb);
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$c .= '</ul></div>';
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$c .= '<div class="more-link"><a href="'. $GLOBALS['FUD_URL'] .'" title="Enter the Forum.">more</a></div>';
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}
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$block['subject'] = t('New forum posts');
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$block['content'] = $c;
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return $block;
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case 2:
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$fuddb = _fudforum_connect();
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if ($fuddb) {
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$tm_expire = time() - ($GLOBALS['FUD_TIMEOUT'] * 60);
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$q = _fudforum_query('SELECT u.id, u.alias, s.time_sec, (u.users_opt &32768) as private FROM {ses} s INNER JOIN {users} u ON s.user_id=u.id WHERE time_sec>'.$tm_expire);
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while ( $r = mysql_fetch_row($q) ) {
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$c .= '<li><a href="'. $GLOBALS['FUD_URL'] .'u/' . $r[0] . '/0/">' . $r[1] . '</a><br/>';
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}
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_fudforum_disconnect($fuddb);
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if (isset($c))
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$c = '<div class="item-list"><ul>'. $c .'</ul></div>';
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else
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$c = 'Nobody';
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}
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$block['subject'] = t('Online forum users');
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$block['content'] = $c;
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return $block;
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case 3:
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$fuddb = _fudforum_connect();
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if ($fuddb) {
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$q = _fudforum_query('SELECT count(*) FROM {users}');
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$r = mysql_fetch_row($q);
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$c = 'Registered users: '. $r[0] . '<br />';
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$q = _fudforum_query('SELECT count(*) FROM {msg}');
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$r = mysql_fetch_row($q);
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$c .= 'Messages posted: '. $r[0] . '<br />';
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$q = _fudforum_query('SELECT count(*) FROM {thread}');
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$r = mysql_fetch_row($q);
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$c .= 'Threads: '. $r[0] . '<br />';
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$tm_expire = time() - ($GLOBALS['FUD_TIMEOUT'] * 60);
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$q = _fudforum_query('SELECT count(*) FROM {ses} WHERE time_sec>'.$tm_expire.' AND user_id<2000000000');
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$r = mysql_fetch_row($q);
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$c .= 'Users online: '. $r[0] . '<br />';
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$q = _fudforum_query('SELECT MAX(id) FROM {users}');
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$r = mysql_fetch_row($q);
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$q = _fudforum_query('SELECT id, alias FROM {users} WHERE id='. $r[0]);
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$r = mysql_fetch_row($q);
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$c .= 'Newest user: <a href="'. $GLOBALS['FUD_URL'] .'u/' . $r[0] . '/0/">' . $r[1] . '</a><br />';
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}
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$block['subject'] = t('Forum statistics');
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$block['content'] = $c;
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return $block;
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}
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}
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}
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function fudforum_login_form($form_state) {
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$form = array(
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'#action' => url($_GET['q'], array('query' => drupal_get_destination())),
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'#id' => 'user-login-form',
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'#validate' => array('fudforum_login_validate') + user_login_default_validators(),
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'#submit' => array('user_login_submit'),
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);
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$form['name'] = array('#type' => 'textfield',
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'#title' => t('User'),
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'#maxlength' => 30,
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'#size' => 15,
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'#required' => TRUE,
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);
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$form['pass'] = array('#type' => 'password',
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'#title' => t('Password'),
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'#size' => 15,
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'#maxlength' => 16, // FUDforum's limit
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'#required' => TRUE,
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);
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$form['submit'] = array('#type' => 'submit',
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'#value' => t('Login'),
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);
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_fudforum_settings(); // Get forum URL
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$form['links'] = array('#value' => '<br />' .
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'[ <a href="'. $GLOBALS['FUD_URL'] .'re/0/">Register</a> ] '.
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'[ <a href="'. $GLOBALS['FUD_URL'] .'rst/0/">Forgot password</a> ]'
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);
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# $links['register'] = array(
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# 'title' => t('Register'),
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# 'href' => $GLOBALS['FUD_URL'] .'re/0/',
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# 'attributes' => array('title' => t('Create a new user account.'))
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# );
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# $links['reset_password'] = array(
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# 'title' => t('Forgot password'),
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# 'href' => $GLOBALS['FUD_URL'] .'rst/0/',
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# 'attributes' => array('title' => t('Request new password via e-mail.'))
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# );
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# $form['links'] = array('#value' => theme('links', $links));
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return $form;
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}
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/**
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* Implementation of hook_form_alter().
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* We replace the local login validation handler with our own.
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*/
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function fudforum_form_alter(&$form, $form_state, $form_id) {
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if ($form_id == 'user_login' || $form_id == 'user_login_block') {
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// If the user login form is being submitted, add our validation handler.
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if (isset($form_state['post']['name'])) {
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// Find the local validation function's entry so we can replace it.
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$array_key = array_search('user_login_authenticate_validate', $form['#validate']);
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if ($array_key === FALSE) {
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// Could not find it. Some other module must have run form_alter().
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// We will simply add our validation just before the final validator.
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$final_validator = array_pop($form['#validate']);
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$form['#validate'][] = 'fudforum_login_validate';
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$form['#validate'][] = $final_validator;
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}
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else {
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// Found the local validation function, replace with ours
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$form['#validate'][$array_key] = 'fudforum_login_validate';
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}
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}
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}
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}
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/**
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* Login form validation handler.
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*/
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function fudforum_login_validate($form, &$form_state) {
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global $user;
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| 315 |
if (!empty($user->uid)) {
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// Another module already handles authentication
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return;
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}
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// Call our custom authentication function
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| 320 |
if (!fudforum_authenticate($form_state['values'])) {
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// Authentication failed
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form_set_error('user', t('Invalid login/password combination.'));
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}
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}
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| 326 |
/**
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* Custom authentication function
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| 328 |
*/
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function fudforum_authenticate($form_values) {
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| 330 |
global $user;
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| 331 |
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$login = $form_values['name'];
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$passwd = $form_values['pass'];
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| 334 |
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| 335 |
$fuddb = _fudforum_connect();
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| 336 |
if ($fuddb) {
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| 337 |
$q = _fudforum_query('SELECT email, join_date, time_zone, sig, ban_expiry, name, location, occupation, users_opt FROM {users} WHERE login=\''.$login.'\' AND passwd=\''.md5($passwd).'\' OR passwd=\''.$passwd.'\'');
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$r = mysql_fetch_row($q);
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| 339 |
_fudforum_disconnect($fuddb);
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}
|
| 341 |
|
| 342 |
if (!$r)
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| 343 |
return FALSE; // user not found
|
| 344 |
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| 345 |
// User status: 1=active, 0=banned
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| 346 |
$status = ($r[4] == 0) ? 1 : 0;
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| 347 |
if ($status != 1)
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| 348 |
return FALSE; // user is banned
|
| 349 |
|
| 350 |
// Convert timezone
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| 351 |
$SaveZone = getenv ('TZ');
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| 352 |
putenv('TZ='.$r[2]);
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| 353 |
$Offset = date('Z');
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| 354 |
putenv('TZ='.$SaveZone);
|
| 355 |
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| 356 |
// Get role
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| 357 |
$roles = user_roles(1);
|
| 358 |
if ($r[8] &524288 || $r[8] &1048576 ) // 524288=is_mod, 1048576=is_admin
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$rname = 'forum moderator';
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| 360 |
else
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| 361 |
$rname = 'forum user';
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| 362 |
$rid = array_search($rname, $roles);
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| 363 |
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| 364 |
// Load user to see if it was previously registered
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| 365 |
$user = user_load(array('name' => $login));
|
| 366 |
|
| 367 |
if (!$user->uid) { // Register new user
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| 368 |
$user_default = array(
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| 369 |
'name' => $login,
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| 370 |
// 'pass' => '', !!!NEVER SET PASSWORD, NOT EVEN TO ''!!!
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| 371 |
'mail' => $r[0],
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| 372 |
'created' => $r[1],
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| 373 |
'timezone' => $Offset,
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| 374 |
'signature' => $r[3],
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| 375 |
'init' => db_escape_string($login),
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| 376 |
'status' => $status,
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| 377 |
'authname_module' => 'fudforum',
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| 378 |
'roles' => array($rid => $rname),
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| 379 |
'profile_name' => $r[5],
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| 380 |
'profile_location' => $r[6],
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| 381 |
'profile_occupation' => $r[7]);
|
| 382 |
|
| 383 |
// Become user 1 to be able to save profile information
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| 384 |
session_save_session(false);
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| 385 |
$admin= array('uid' => 1);
|
| 386 |
$user = user_load($admin);
|
| 387 |
|
| 388 |
// now save the user and become the new user.
|
| 389 |
$user = user_save('', $user_default);
|
| 390 |
session_save_session(true);
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| 391 |
|
| 392 |
watchdog('FUDforum', 'Regiser new user: '. $login, WATCHDOG_NOTICE, l('edit', 'user/'. $user->uid .'/edit'));
|
| 393 |
}
|
| 394 |
else {
|
| 395 |
// Update changed user settings
|
| 396 |
if ( $user->mail != $r[0] )
|
| 397 |
$user = user_save($user, array('mail' => 'REMOVE-'. $r[0]));
|
| 398 |
if ( $user->status != $status )
|
| 399 |
$user = user_save($user, array('status' => $status));
|
| 400 |
if ( $user->timezone != $Offset )
|
| 401 |
$user = user_save($user, array('timezone' => $Offset));
|
| 402 |
if ( $user->profile_name != $r[5] )
|
| 403 |
$user = user_save($user, array('profile_name' => $r[5]));
|
| 404 |
if ( $user->profile_location != $r[6] )
|
| 405 |
$user = user_save($user, array('profile_location' => $r[6]));
|
| 406 |
if ( $user->profile_occupation != $r[7] )
|
| 407 |
$user = user_save($user, array('profile_occupation' => $r[7]));
|
| 408 |
if ( ! isset($user->roles[$rid]) )
|
| 409 |
$user = user_save($user, array('roles' => array($rid=>$rname)));
|
| 410 |
}
|
| 411 |
|
| 412 |
drupal_set_message('Successfully authenticated from forum DB.');
|
| 413 |
return TRUE;
|
| 414 |
}
|
| 415 |
|
| 416 |
function fudforum_user($op, &$edit, &$account, $category = NULL) {
|
| 417 |
if ($op == 'logout') {
|
| 418 |
drupal_set_message('Logout and remove the forum cookie.');
|
| 419 |
_fudforum_settings();
|
| 420 |
setcookie($GLOBALS['COOKIE_NAME'], FALSE, time() - 86400, '/', $GLOBALS['COOKIE_DOMAIN']);
|
| 421 |
}
|
| 422 |
|
| 423 |
// New user added to Drupal - register user in forum DB
|
| 424 |
/* UNTESTED CODE - for future implementation
|
| 425 |
if ($op == 'insert' && $account->authname_module != 'fudforum') {
|
| 426 |
$users_opt = 4|16|128|256|512|2048|4096|8192|16384|131072|4194304;
|
| 427 |
$q = _fudforum_query('INSERT INTO {users}
|
| 428 |
(login,alias,passwd,name,email,join_date,users_opt) VALUES (
|
| 429 |
\''. $account->name .'\',
|
| 430 |
\''. $account->name .'\',
|
| 431 |
\''. md5($edit['pass']) .'\''
|
| 432 |
\''. $account->name .'\',.
|
| 433 |
\''. $account->mail .'\',
|
| 434 |
time(), $users_opt );
|
| 435 |
// SET 'authname_module' => 'fudforum',
|
| 436 |
// SET ROLES
|
| 437 |
|
| 438 |
if (!q)
|
| 439 |
drupal_set_error('Unable to add new Drupal user to forum DB');
|
| 440 |
else
|
| 441 |
drupal_set_message('User account created in forum DB');
|
| 442 |
}
|
| 443 |
*/
|
| 444 |
|
| 445 |
if ($op == 'update' && $category == 'account') {
|
| 446 |
if ($account->authname_module == 'fudforum') {
|
| 447 |
// Sync e-mail and password changes back to FUDforum
|
| 448 |
if ($account->mail != $edit['mail'] || $edit['pass'] != '') {
|
| 449 |
$fuddb = _fudforum_connect();
|
| 450 |
|
| 451 |
// Update email address in forum DB
|
| 452 |
if ($account->mail != $edit['mail']) {
|
| 453 |
if (substr($edit['mail'], 0, 7) == 'REMOVE-') {
|
| 454 |
$edit['mail'] = substr($edit['mail'], 7);
|
| 455 |
drupal_set_message('Receive new E-mail address from forum DB');
|
| 456 |
}
|
| 457 |
else {
|
| 458 |
$q = _fudforum_query('UPDATE {users} SET email = \''. $edit['mail'] .'\' WHERE login=\''. $account->name .'\'');
|
| 459 |
if (!$q)
|
| 460 |
drupal_set_error('Unable to sync new email address to forum DB');
|
| 461 |
else
|
| 462 |
drupal_set_message('E-mail address synced to forum DB');
|
| 463 |
}
|
| 464 |
}
|
| 465 |
|
| 466 |
// Update password in forum DB
|
| 467 |
if ($edit['pass'] != '') {
|
| 468 |
$q = _fudforum_query('UPDATE {users} SET passwd = \''. md5($edit['pass']) .'\' WHERE login=\''. $account->name .'\'');
|
| 469 |
if (!q)
|
| 470 |
drupal_set_error('Unable to sync new password to forum DB');
|
| 471 |
else
|
| 472 |
drupal_set_message('Password synced to forum DB');
|
| 473 |
}
|
| 474 |
|
| 475 |
_fudforum_disconnect($fuddb);
|
| 476 |
watchdog('FUDforum', 'Sync password and email for '. $account->name .' to forum DB', WATCHDOG_NOTICE, l('edit', 'user/'. $user->uid .'/edit'));
|
| 477 |
}
|
| 478 |
|
| 479 |
// Unset Drupal password to prevent it from authenticating this user in future
|
| 480 |
$edit['pass'] = NULL;
|
| 481 |
}
|
| 482 |
}
|
| 483 |
}
|
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