diff -r 000000000000 -r 902822492a68 plugins/SpecialGroups.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/SpecialGroups.php	Wed Jun 13 16:03:00 2007 -0400
@@ -0,0 +1,540 @@
+<?php
+/*
+Plugin Name: Group control panel
+Plugin URI: http://www.enanocms.org/
+Description: Provides group moderators and site administrators with the ability to control who is part of their groups. 
+Author: Dan Fuhry
+Version: 1.0RC1
+Author URI: http://www.enanocms.org/
+*/
+
+/*
+ * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+ * Version 1.0 release candidate 2
+ * Copyright (C) 2007 Dan Fuhry
+ *
+ * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+ *
+ * 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. See the GNU General Public License for details.
+ */
+
+$plugins->attachHook('base_classes_initted', '
+  global $paths;
+    $paths->add_page(Array(
+      \'name\'=>\'Group Membership\',
+      \'urlname\'=>\'Usergroups\',
+      \'namespace\'=>\'Special\',
+      \'special\'=>0,\'visible\'=>0,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\',
+      ));
+    ');
+
+function page_Special_Usergroups()
+{
+  global $db, $session, $paths, $template, $plugins; // Common objects
+  global $email; // Import e-mail encryption functions
+  
+  if ( !$session->user_logged_in )
+  {
+    header('Location: ' . makeUrlComplete('Special', 'Login/' . $paths->page));
+    $db->close();
+    exit;
+  }
+  
+  $template->header();
+  if ( isset($_POST['do_view']) || isset($_POST['do_view_n']) || ( isset($_GET['act']) && isset($_POST['group_id']) ) )
+  {
+    $gid = ( isset ( $_POST['do_view_n'] ) ) ? intval($_POST['group_id_n']) : intval($_POST['group_id']);
+    if ( empty($gid) || $gid < 1 )
+    {
+      die_friendly('Error', '<p>Hacking attempt</p>');
+    }
+    $q = $db->sql_query('SELECT group_name,group_type FROM '.table_prefix.'groups WHERE group_id=' . $gid . ';');
+    if ( !$q )
+    {
+      $db->_die();
+    }
+    $row = $db->fetchrow();
+    $db->free_result();
+    $members = array();
+    $pending = array();
+    $q = $db->sql_query('SELECT u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,m.pending,COUNT(c.comment_id)
+                           FROM '.table_prefix.'users AS u
+                           LEFT JOIN '.table_prefix.'group_members AS m
+                             ON ( m.user_id = u.user_id )
+                           LEFT JOIN '.table_prefix.'comments AS c
+                             ON ( c.name = u.username )
+                           WHERE m.group_id=' . $gid . '
+                           GROUP BY u.user_id
+                           ORDER BY m.is_mod DESC,u.username ASC;');
+    if ( !$q )
+    {
+      $db->_die();
+    }
+    
+    $is_member = false;
+    $is_mod = false;
+    $is_pending = false;
+    
+    while ( $mr = $db->fetchrow() )
+    {
+      if ( $mr['pending'] == 1 )
+      {
+        $pending[] = $mr;
+        if ( $mr['user_id'] == $session->user_id )
+        {
+          $is_pending = true;
+        }
+      }
+      else
+      {
+        $members[] = $mr;
+        if ( $mr['user_id'] == $session->user_id )
+        {
+          $is_member = true;
+          if ( $mr['is_mod'] == 1 )
+          {
+            $is_mod = true;
+          }
+        }
+      }
+    }
+    
+    $status = ( $is_member && $is_mod )
+      ? 'You are a moderator of this group.'
+      : ( ( $is_member && !$is_mod ) 
+        ? 'You are a member of this group.'
+        : 'You are not a member of this group.'
+        );
+      
+    $can_do_admin_stuff = ( $is_mod || $session->user_level >= USER_LEVEL_ADMIN );
+      
+    switch ( $row['group_type'] )
+    {
+      case GROUP_HIDDEN:  $g_state = 'Hidden group';                break;
+      case GROUP_CLOSED:  $g_state = 'Closed group';                break;
+      case GROUP_REQUEST: $g_state = 'Members can request to join'; break;
+      case GROUP_OPEN:    $g_state = 'Anyone can join';             break;
+    }
+    
+    if ( isset($_GET['act']) && $can_do_admin_stuff )
+    {
+      switch($_GET['act'])
+      {
+        case 'update':
+          if(!in_array(intval($_POST['group_state']), Array(GROUP_CLOSED, GROUP_OPEN, GROUP_HIDDEN, GROUP_REQUEST)))
+          {
+            die_friendly('ERROR', '<p>Hacking attempt</p>');
+          }
+          $q = $db->sql_query('UPDATE '.table_prefix.'groups SET group_type=' . intval($_POST['group_state']) . ' WHERE group_id=' . intval( $_POST['group_id']) . ';');
+          if (!$q)
+            $db->_die();
+          $row['group_type'] = $_POST['group_state'];
+          echo '<div class="info-box" style="margin-left: 0;">The group state was updated.</div>';
+          break;
+        case 'adduser':
+          $username = $_POST['add_username'];
+          $mod = ( isset($_POST['add_mod']) ) ? '1' : '0';
+          
+          $q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\'' . $db->escape($username) . '\';');
+          if (!$q)
+            $db->_die();
+          if ($db->numrows() < 1)
+          {
+            echo '<div class="error-box">The username you entered could not be found.</div>';
+            break;
+          }
+          $r = $db->fetchrow();
+          $db->free_result();
+          $uid = intval($r['user_id']);
+
+          // Check if the user is already in the group, and if so, only update modship
+          $q = $db->sql_query('SELECT member_id,is_mod FROM '.table_prefix.'group_members WHERE user_id=' . $uid . ' AND group_id=' . intval($_POST['group_id']) . ';');
+          if ( !$q )
+            $db->_die();
+          if ( $db->numrows() > 0 )
+          {
+            $r = $db->fetchrow();
+            if ( (string) $r['is_mod'] != $mod )
+            {
+              $q = $db->sql_query('UPDATE '.table_prefix.'group_members SET is_mod=' . $mod . ' WHERE member_id=' . $r['member_id'] . ';');
+              if ( !$q )
+                $db->_die();
+              foreach ( $members as $i => $member )
+              {
+                if ( $member['member_id'] == $r['member_id'] )
+                  $members[$i]['is_mod'] = (int)$mod;
+              }
+              echo '<div class="info-box">The user "' . $username . '" is already in this group, so their moderator status was updated.</div>';
+            }
+            else
+            {
+              echo '<div class="info-box">The user "' . $username . '" is already in this group.</div>';
+            }
+            break;
+          }
+          
+          $db->free_result();
+          
+          $q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id,is_mod) VALUES(' . intval($_POST['group_id']) . ', ' . $uid . ', ' . $mod . ');');
+          if (!$q)
+            $db->_die();
+          echo '<div class="info-box">The user "' . $username . '" has been added to this usergroup.</div>';
+          
+          $q = $db->sql_query('SELECT u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,COUNT(c.comment_id)
+                                 FROM '.table_prefix.'users AS u
+                                 LEFT JOIN '.table_prefix.'group_members AS m
+                                   ON ( m.user_id = u.user_id )
+                                 LEFT JOIN '.table_prefix.'comments AS c
+                                   ON ( c.name = u.username )
+                                 WHERE m.group_id=' . $gid . '
+                                   AND m.pending!=1
+                                   AND u.user_id=' . $uid . '
+                                 GROUP BY u.user_id
+                                 ORDER BY m.is_mod DESC,u.username ASC
+                                 LIMIT 1;');
+          if ( !$q )
+            $db->_die();
+          
+          $r = $db->fetchrow();
+          $members[] = $r;
+          $db->free_result();
+          
+          break;
+        case 'del_users':
+          foreach ( $members as $i => $member )
+          {
+            if ( isset($_POST['del_user'][$member['member_id']]) )
+            {
+              $q = $db->sql_query('DELETE FROM '.table_prefix.'group_members WHERE member_id=' . $member['member_id'] . ';');
+              if (!$q)
+                $db->_die();
+              unset($members[$i]);
+            }
+          }
+          break;
+        case 'pending':
+          foreach ( $pending as $i => $member )
+          {
+            if ( isset( $_POST['with_user'][$member['member_id']]) )
+            {
+              if ( isset ( $_POST['do_appr_pending'] ) )
+              {
+                $q = $db->sql_query('UPDATE '.table_prefix.'group_members SET pending=0 WHERE member_id=' . $member['member_id'] . ';');
+                if (!$q)
+                  $db->_die();
+                $members[] = $member;
+                unset($pending[$i]);
+                continue;
+              }
+              elseif ( isset ( $_POST['do_reject_pending'] ) )
+              {
+                $q = $db->sql_query('DELETE FROM '.table_prefix.'group_members WHERE member_id=' . $member['member_id'] . ';');
+                if (!$q)
+                  $db->_die();
+                unset($pending[$i]);
+              }
+            }
+          }
+          echo '<div class="info-box">Pending members status updated successfully.</div>';
+          break;
+      }
+    }
+    
+    if ( isset($_GET['act']) && $_GET['act'] == 'update' && !$is_member && $row['group_type'] == GROUP_OPEN )
+    {
+      $q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id) VALUES(' . $gid . ', ' . $session->user_id . ');');
+      if (!$q)
+        $db->_die();
+      echo '<div class="info-box">You have been added to this group.</div>';
+      
+      $q = $db->sql_query('SELECT u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,COUNT(c.comment_id)
+                             FROM '.table_prefix.'users AS u
+                             LEFT JOIN '.table_prefix.'group_members AS m
+                               ON ( m.user_id = u.user_id )
+                             LEFT JOIN '.table_prefix.'comments AS c
+                               ON ( c.name = u.username )
+                             WHERE m.group_id=' . $gid . '
+                               AND m.pending!=1
+                               AND u.user_id=' . $session->user_id . '
+                             GROUP BY u.user_id
+                             ORDER BY m.is_mod DESC,u.username ASC
+                             LIMIT 1;');
+      if ( !$q )
+        $db->_die();
+      
+      $r = $db->fetchrow();
+      $members[] = $r;
+      $db->free_result();
+      
+    }
+    
+    if ( isset($_GET['act']) && $_GET['act'] == 'update' && !$is_member && $row['group_type'] == GROUP_REQUEST && !$is_pending )
+    {
+      $q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id,pending) VALUES(' . $gid . ', ' . $session->user_id . ', 1);');
+      if (!$q)
+        $db->_die();
+      echo '<div class="info-box">A request has been sent to the moderator(s) of this group to add you.</div>';
+    }
+    
+    $state_btns = ( $can_do_admin_stuff ) ?
+                  '<label><input type="radio" name="group_state" value="' . GROUP_HIDDEN . '" ' . (( $row['group_type'] == GROUP_HIDDEN ) ? 'checked="checked"' : '' ) . ' /> Hidden group</label>
+                   <label><input type="radio" name="group_state" value="' . GROUP_CLOSED . '" ' . (( $row['group_type'] == GROUP_CLOSED ) ? 'checked="checked"' : '' ) . ' /> Closed group</label>
+                   <label><input type="radio" name="group_state" value="' . GROUP_REQUEST. '" ' . (( $row['group_type'] == GROUP_REQUEST) ? 'checked="checked"' : '' ) . ' /> Members can request to join</label>
+                   <label><input type="radio" name="group_state" value="' . GROUP_OPEN   . '" ' . (( $row['group_type'] == GROUP_OPEN   ) ? 'checked="checked"' : '' ) . ' /> Anybody can join</label>'
+                   : $g_state;
+    if ( !$can_do_admin_stuff && $row['group_type'] == GROUP_REQUEST && !$is_member )
+    {
+      if ( $is_pending )
+        $state_btns .= ' (Your request to join is awaiting approval)';
+      else
+        $state_btns .= ' <input type="submit" value="Request membership" />';
+    }
+    
+    if ( !$can_do_admin_stuff && $row['group_type'] == GROUP_OPEN && !$is_member )
+    {
+      $state_btns .= ' <input type="submit" value="Join this group" />';
+    }
+    
+    echo '<form action="' . makeUrl($paths->page, 'act=update') . '" method="post" enctype="multipart/form-data">
+          <div class="tblholder">
+            <table border="0" cellspacing="1" cellpadding="4">
+              <tr>
+                <th colspan="2">Group information</th>
+              </tr>
+              <tr>
+                <td class="row2">Group name:</td>
+                <td class="row1">' . $row['group_name'] . '</td>
+              </tr>
+              <tr>
+                <td class="row2">Membership status:</td>
+                <td class="row1">' . $status . '</td>
+              </tr>
+              <tr>
+                <td class="row2">Group state:</td>
+                <td class="row1">' . $state_btns . '</td>
+              </tr>   
+              ' . ( ( $is_mod || $session->user_level >= USER_LEVEL_ADMIN ) ? '
+              <tr>
+                <th class="subhead" colspan="2">
+                  <input type="submit" value="Save changes" />
+                </th>
+              </tr>
+              ' : '' ) . '
+            </table>
+          </div>
+          <input name="group_id" value="' . $gid . '" type="hidden" />
+          </form>';
+    if ( sizeof ( $pending ) > 0 && $can_do_admin_stuff )
+    {
+      echo '<form action="' . makeUrl($paths->page, 'act=pending') . '" method="post" enctype="multipart/form-data">
+            <input name="group_id" value="' . $gid . '" type="hidden" />
+            <h2>Pending memberships</h2>
+            <div class="tblholder">
+            <table border="0" cellspacing="1" cellpadding="4">
+              <tr>
+                <th>Username</th>
+                <th>E-mail</th>
+                <th>Registered</th>
+                <th>Total comments</th>
+                <th>Select</th>
+              </tr>';
+      $cls = 'row2';
+      foreach ( $pending as $member )
+      {
+        
+        $date = date('F d, Y', $member['reg_time']);
+        $cls = ( $cls == 'row2' ) ? 'row1' : 'row2';
+        $addy = $email->encryptEmail($member['email']);
+        
+        echo "<tr>
+                <td class='{$cls}'>{$member['username']}</td>
+                <td class='{$cls}'>{$addy}</td>
+                <td class='{$cls}'>{$date}</td>
+                <td class='{$cls}'>{$member['COUNT(c.comment_id)']}</td>
+                <td class='{$cls}' style='text-align: center;'><input type='checkbox' name='with_user[{$member['member_id']}]' /></td>
+              </tr>";
+      }
+      echo '</table>
+            </div>
+            <div style="margin: 10px 0 0 auto;">
+              With selected: 
+              <input type="submit" name="do_appr_pending" value="Approve membership" />
+              <input type="submit" name="do_reject_pending" value="Reject membership" />
+            </div>
+            </form>';
+    }
+    echo '<form action="' . makeUrl($paths->page, 'act=del_users') . '" method="post" enctype="multipart/form-data">
+          <h2>Group members</h2>
+          <div class="tblholder">
+            <table border="0" cellspacing="1" cellpadding="4">
+              <tr>
+                <th>Username</th>
+                <th>E-mail</th>
+                <th>Registered</th>
+                <th>Total comments</th>
+                ' . ( ( $can_do_admin_stuff ) ? "
+                <th>Remove?</th>
+                " : '' ) . '
+              </tr>
+              <tr>
+                <th colspan="5" class="subhead">Group moderators</th>
+              </tr>';
+    $mod_printed = false;
+    $mem_printed = false;
+    $cls = 'row2';
+    
+    foreach ( $members as $member )
+    {
+      if ( $member['is_mod'] != 1 )
+        break;
+      
+      $date = date('F d, Y', $member['reg_time']);
+      $cls = ( $cls == 'row2' ) ? 'row1' : 'row2';
+      $addy = $email->encryptEmail($member['email']);
+      
+      $mod_printed = true;
+      
+      echo "<tr>
+              <td class='{$cls}'>{$member['username']}</td>
+              <td class='{$cls}'>{$addy}</td>
+              <td class='{$cls}'>{$date}</td>
+              <td class='{$cls}'>{$member['COUNT(c.comment_id)']}</td>
+              " . ( ( $can_do_admin_stuff ) ? "
+              <td class='{$cls}' style='text-align: center;'><input type='checkbox' name='del_user[{$member['member_id']}]' /></td>
+              " : '' ) . "
+            </tr>";
+    }
+    if (!$mod_printed)
+      echo '<tr><td class="' . $cls . '" colspan="5">This group has no moderators.</td></th>';
+    echo '<tr><th class="subhead" colspan="5">Group members</th></tr>';
+    foreach ( $members as $member )
+    {
+      if ( $member['is_mod'] == 1 )
+        continue;
+      
+      $date = date('F d, Y', $member['reg_time']);
+      $cls = ( $cls == 'row2' ) ? 'row1' : 'row2';
+      $addy = $email->encryptEmail($member['email']);
+      
+      $mem_printed = true;
+      
+      echo "<tr>
+              <td class='{$cls}'>{$member['username']}</td>
+              <td class='{$cls}'>{$addy}</td>
+              <td class='{$cls}'>{$date}</td>
+              <td class='{$cls}'>{$member['COUNT(c.comment_id)']}</td>
+              " . ( ( $can_do_admin_stuff ) ? "
+              <td class='{$cls}' style='text-align: center;'><input type='checkbox' name='del_user[{$member['member_id']}]' /></td>
+              " : '' ) . "
+            </tr>";
+    }
+    if (!$mem_printed)
+      echo '<tr><td class="' . $cls . '" colspan="5">This group has no members.</td></th>';
+    echo '  </table>
+          </div>';
+    if ( $can_do_admin_stuff )
+    {
+      echo "<div style='margin: 10px 0 0 auto;'><input type='submit' name='do_del_user' value='Remove selected users' /></div>";
+    }
+    echo '<input name="group_id" value="' . $gid . '" type="hidden" />
+          </form>';
+    if ( $can_do_admin_stuff )
+    {
+      echo '<form action="' . makeUrl($paths->page, 'act=adduser') . '" method="post" enctype="multipart/form-data" onsubmit="if(!submitAuthorized) return false;">
+              <div class="tblholder">
+                <table border="0" cellspacing="1" cellpadding="4">
+                  <tr>
+                    <th colspan="2">Add a new member to this group</th>
+                  </tr>
+                  <tr>
+                    <td class="row2">Username:</td><td class="row1">' . $template->username_field('add_username') . '</td>
+                  </tr>
+                  <tr>
+                    <td class="row2">Group moderator:</td><td class="row1"><label><input type="checkbox" name="add_mod" /> User is a group moderator</label></td>
+                  </tr>
+                  <tr>
+                    <th class="subhead" colspan="2">
+                      <input type="submit" value="Add member" />
+                    </th>
+                  </tr>
+                </table>
+              </div>
+              <input name="group_id" value="' . $gid . '" type="hidden" />
+            </form>';
+    }
+  }
+  else
+  {
+    echo '<form action="'.makeUrlNS('Special', 'Usergroups').'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';
+    echo '<div class="tblholder">
+          <table border="0" style="width: 100%;" cellspacing="1" cellpadding="4">
+            <tr>
+              <th colspan="2">Group membership details</th>
+            </tr>
+            <tr>
+              <td class="row2" style="text-align: right;">
+                Current group memberships:
+              </td>
+              <td class="row1">';
+    $taboo = Array('Everyone');
+    if ( sizeof ( $session->groups ) > 0 )
+    {
+      echo '<select name="group_id">';
+      foreach ( $session->groups as $id => $group )
+      {
+        $taboo[] = $group;
+        if ( $group != 'Everyone' )
+        {
+          echo '<option value="' . $id . '">' . $group . '</option>';
+        }
+      }
+      echo '</select>
+            <input type="submit" name="do_view" value="View information" />';
+    }
+    else
+    {
+      echo 'None';
+    }
+    
+    echo '</td>
+        </tr>';
+    $taboo = 'WHERE group_name != \'' . implode('\' AND group_name != \'', $taboo) . '\'';
+    $q = $db->sql_query('SELECT group_id,group_name FROM '.table_prefix.'groups '.$taboo.' AND group_type != ' . GROUP_HIDDEN . ' ORDER BY group_name ASC;');
+    if(!$q)
+    {
+      echo $db->get_error();
+      $template->footer();
+      return;
+    }
+    if($db->numrows() > 0)
+    {
+      echo '<tr>
+              <td class="row2" style="text-align: right;">
+                Non-memberships:
+              </td>
+              <td class="row1">
+              <select name="group_id_n">';
+      while ( $row = $db->fetchrow() )
+      {
+        if ( $row['group_name'] != 'Everyone' )
+        {
+          echo '<option value="' . $row['group_id'] . '">' . $row['group_name'] . '</option>';
+        }
+      }
+      echo '</select>
+            <input type="submit" name="do_view_n" value="View information" />
+          </td>
+        </tr>
+      ';
+    }
+    $db->free_result();
+    echo '</table>
+        </div>
+        </form>';
+  }
+  $template->footer();
+}
+
+?>