[Sommaire] [Imprimer]

   1  <?php
   2  
   3  /* Reminder: always indent with 4 spaces (no tabs). */
   4  // +---------------------------------------------------------------------------+
   5  // | Calendar plugin 1.0 for Geeklog                                           |
   6  // +---------------------------------------------------------------------------+
   7  // | install.php                                                               |
   8  // |                                                                           |
   9  // | This file installs and removes the data structures for the                |
  10  // | Calendar plugin for Geeklog.                                              |
  11  // +---------------------------------------------------------------------------+
  12  // | Based on the Universal Plugin and prior work by the following authors:    |
  13  // |                                                                           |
  14  // | Copyright (C) 2002-2006 by the following authors:                         |
  15  // |                                                                           |
  16  // | Authors: Tony Bibbs        - tony AT tonybibbs DOT com                    |
  17  // |          Tom Willett       - tom AT pigstye DOT net                       |
  18  // |          Blaine Lang       - blaine AT portalparts DOT com                |
  19  // |          Dirk Haun         - dirk AT haun-online DOT de                   |
  20  // |          Vincent Furia     - vinny01 AT users DOT sourceforge DOT net     |
  21  // +---------------------------------------------------------------------------+
  22  // |                                                                           |
  23  // | This program is free software; you can redistribute it and/or             |
  24  // | modify it under the terms of the GNU General Public License               |
  25  // | as published by the Free Software Foundation; either version 2            |
  26  // | of the License, or (at your option) any later version.                    |
  27  // |                                                                           |
  28  // | This program is distributed in the hope that it will be useful,           |
  29  // | but WITHOUT ANY WARRANTY; without even the implied warranty of            |
  30  // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             |
  31  // | GNU General Public License for more details.                              |
  32  // |                                                                           |
  33  // | You should have received a copy of the GNU General Public License         |
  34  // | along with this program; if not, write to the Free Software Foundation,   |
  35  // | Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.           |
  36  // |                                                                           |
  37  // +---------------------------------------------------------------------------+
  38  //
  39  // $Id: install.php,v 1.10 2006/11/12 14:53:06 dhaun Exp $
  40  
  41  require_once  ('../../../lib-common.php');
  42  require_once ($_CONF['path'] . 'plugins/calendar/config.php');
  43  
  44  // Plugin information
  45  //
  46  // ----------------------------------------------------------------------------
  47  //
  48  $pi_display_name = 'Calendar';
  49  $pi_name         = 'calendar';
  50  $pi_version      = $_CA_CONF['version'];
  51  $gl_version      = '1.4.1';
  52  $pi_url          = 'http://www.geeklog.net/';
  53  
  54  // name of the Admin group
  55  $pi_admin        = 'Calendar Admin';
  56  
  57  // the plugin's groups - assumes first group to be the Admin group
  58  $GROUPS = array();
  59  $GROUPS[$pi_admin] = 'Has full access to ' . $pi_name . ' features';
  60  
  61  $FEATURES = array();
  62  $FEATURES['calendar.moderate']     = 'Ability to moderate pending events';
  63  $FEATURES['calendar.edit']         = 'Access to event editor';
  64  $FEATURES['calendar.submit']       = 'May skip the event submission queue';
  65  
  66  $MAPPINGS = array();
  67  $MAPPINGS['calendar.moderate']     = array ($pi_admin);
  68  $MAPPINGS['calendar.edit']         = array ($pi_admin);
  69  $MAPPINGS['calendar.submit']       = array ($pi_admin);
  70  
  71  // (optional) data to pre-populate tables with
  72  // Insert table name and sql to insert default data for your plugin.
  73  // Note: '#group#' will be replaced with the id of the plugin's admin group.
  74  $DEFVALUES = array();
  75  
  76  /**
  77  * Checks the requirements for this plugin and if it is compatible with this
  78  * version of Geeklog.
  79  *
  80  * @return   boolean     true = proceed with install, false = not compatible
  81  *
  82  */
  83  function plugin_compatible_with_this_geeklog_version ()
  84  {
  85      if (function_exists ('COM_printUpcomingEvents')) {
  86          // if this function exists, then someone's trying to install the
  87          // plugin on Geeklog 1.4.0 or older - sorry, but that won't work
  88          return false;
  89      }
  90  
  91      if (!function_exists ('MBYTE_strpos')) {
  92          // the plugin requires the multi-byte functions
  93          return false;
  94      }
  95  
  96      return true;
  97  }
  98  
  99  /**
 100  * When the install went through, give the plugin a chance for any
 101  * plugin-specific post-install fixes
 102  *
 103  * @return   boolean     true = proceed with install, false = an error occured
 104  *
 105  */
 106  function plugin_postinstall ()
 107  {
 108      global $_CONF, $_TABLES, $LANG_CAL_1;
 109  
 110      // fix Upcoming Events block group ownership
 111      $blockAdminGroup = DB_getItem ($_TABLES['groups'], 'grp_id',
 112                                     "grp_name = 'Block Admin'");
 113      if ($blockAdminGroup > 0) {
 114          // set the block's permissions
 115          $A = array ();
 116          SEC_setDefaultPermissions ($A, $_CONF['default_permissions_block']);
 117  
 118          // set the block's title in the current language, while we're at it
 119          $title = addslashes ($LANG_CAL_1[7]);
 120  
 121          // ... and make it the last block on the left side
 122          $result = DB_query ("SELECT MAX(blockorder) FROM {$_TABLES['blocks']} WHERE onleft = 1");
 123          list($order) = DB_fetchArray ($result);
 124          $order += 10;
 125  
 126          DB_query ("UPDATE {$_TABLES['blocks']} SET group_id = $blockAdminGroup, title = '$title', blockorder = $order, perm_owner = {$A['perm_owner']}, perm_group = {$A['perm_group']}, perm_members = {$A['perm_members']}, perm_anon = {$A['perm_anon']} WHERE (type = 'phpblock') AND (phpblockfn = 'phpblock_calendar')");
 127  
 128          return true;
 129      }
 130  
 131      return false;
 132  }
 133  
 134  //
 135  // ----------------------------------------------------------------------------
 136  //
 137  // The code below should be the same for most plugins and usually won't
 138  // require modifications.
 139  
 140  $base_path = $_CONF['path'] . 'plugins/' . $pi_name . '/';
 141  $langfile = $base_path . $_CONF['language'] . '.php';
 142  if (file_exists ($langfile)) {
 143      require_once ($langfile);
 144  } else {
 145      require_once  ($base_path . 'language/english.php');
 146  }
 147  require_once  ($base_path . 'config.php');
 148  require_once ($base_path . 'functions.inc');
 149  
 150  
 151  // Only let Root users access this page
 152  if (!SEC_inGroup ('Root')) {
 153      // Someone is trying to illegally access this page
 154      COM_accessLog ("Someone has tried to illegally access the {$pi_display_name} install/uninstall page.  User id: {$_USER['uid']}, Username: {$_USER['username']}, IP: {$_SERVER['REMOTE_ADDR']}", 1);
 155  
 156      $display = COM_siteHeader ('menu', $LANG_ACCESS['accessdenied'])
 157               . COM_startBlock ($LANG_ACCESS['accessdenied'])
 158               . $LANG_ACCESS['plugin_access_denied_msg']
 159               . COM_endBlock ()
 160               . COM_siteFooter ();
 161  
 162      echo $display;
 163      exit;
 164  }
 165   
 166  
 167  /**
 168  * Puts the datastructures for this plugin into the Geeklog database
 169  *
 170  */
 171  function plugin_install_now()
 172  {
 173      global $_CONF, $_TABLES, $_USER, $_DB_dbms,
 174             $GROUPS, $FEATURES, $MAPPINGS, $DEFVALUES, $base_path,
 175             $pi_name, $pi_display_name, $pi_version, $gl_version, $pi_url;
 176  
 177      COM_errorLog ("Attempting to install the $pi_display_name plugin", 1);
 178  
 179      $uninstall_plugin = 'plugin_uninstall_' . $pi_name;
 180  
 181      // create the plugin's groups
 182      $admin_group_id = 0;
 183      foreach ($GROUPS as $name => $desc) {
 184          COM_errorLog ("Attempting to create $name group", 1);
 185  
 186          $grp_name = addslashes ($name);
 187          $grp_desc = addslashes ($desc);
 188          DB_query ("INSERT INTO {$_TABLES['groups']} (grp_name, grp_descr) VALUES ('$grp_name', '$grp_desc')", 1);
 189          if (DB_error ()) {
 190              $uninstall_plugin ();
 191  
 192              return false;
 193          }
 194  
 195          // replace the description with the new group id so we can use it later
 196          $GROUPS[$name] = DB_insertId ();
 197  
 198          // assume that the first group is the plugin's Admin group
 199          if ($admin_group_id == 0) {
 200              $admin_group_id = $GROUPS[$name];
 201          }
 202      }
 203  
 204      // Create the plugin's table(s)
 205      $_SQL = array ();
 206      if (file_exists ($base_path . 'sql/' . $_DB_dbms . '_install.php')) {
 207          require_once ($base_path . 'sql/' . $_DB_dbms . '_install.php');
 208      }
 209  
 210      if (count ($_SQL) > 0) {
 211          $use_innodb = false;
 212          if (($_DB_dbms == 'mysql') &&
 213              (DB_getItem ($_TABLES['vars'], 'value', "name = 'database_engine'")
 214                  == 'InnoDB')) {
 215              $use_innodb = true;
 216          }
 217          foreach ($_SQL as $sql) {
 218              $sql = str_replace ('#group#', $admin_group_id, $sql);
 219              if ($use_innodb) {
 220                  $sql = str_replace ('MyISAM', 'InnoDB', $sql);
 221              }
 222              DB_query ($sql);
 223              if (DB_error ()) {
 224                  COM_errorLog ('Error creating table', 1);
 225                  $uninstall_plugin ();
 226  
 227                  return false;
 228              }
 229          }
 230      }
 231  
 232      // Add the plugin's features
 233      COM_errorLog ("Attempting to add $pi_display_name feature(s)", 1);
 234  
 235      foreach ($FEATURES as $feature => $desc) {
 236          $ft_name = addslashes ($feature);
 237          $ft_desc = addslashes ($desc);
 238          DB_query ("INSERT INTO {$_TABLES['features']} (ft_name, ft_descr) "
 239                    . "VALUES ('$ft_name', '$ft_desc')", 1);
 240          if (DB_error ()) {
 241              $uninstall_plugin ();
 242  
 243              return false;
 244          }
 245  
 246          $feat_id = DB_insertId ();
 247  
 248          if (isset ($MAPPINGS[$feature])) {
 249              foreach ($MAPPINGS[$feature] as $group) {
 250                  COM_errorLog ("Adding $feature feature to the $group group", 1);
 251                  DB_query ("INSERT INTO {$_TABLES['access']} (acc_ft_id, acc_grp_id) VALUES ($feat_id, {$GROUPS[$group]})");
 252                  if (DB_error ()) {
 253                      $uninstall_plugin ();
 254  
 255                      return false;
 256                  }
 257              }
 258          }
 259      }
 260  
 261      // Add plugin's Admin group to the Root user group
 262      // (assumes that the Root group's ID is always 1)
 263      COM_errorLog ("Attempting to give all users in the Root group access to the $pi_display_name's Admin group", 1);
 264  
 265      DB_query ("INSERT INTO {$_TABLES['group_assignments']} VALUES "
 266                . "($admin_group_id, NULL, 1)");
 267      if (DB_error ()) {
 268          $uninstall_plugin ();
 269  
 270          return false;
 271      }
 272  
 273      // Pre-populate tables or run any other SQL queries
 274      COM_errorLog ('Inserting default data', 1);
 275      foreach ($DEFVALUES as $sql) {
 276          $sql = str_replace ('#group#', $admin_group_id, $sql);
 277          DB_query ($sql, 1);
 278          if (DB_error ()) {
 279              $uninstall_plugin ();
 280  
 281              return false;
 282          }
 283      }
 284  
 285      // Finally, register the plugin with Geeklog
 286      COM_errorLog ("Registering $pi_display_name plugin with Geeklog", 1);
 287  
 288      // silently delete an existing entry
 289      DB_delete ($_TABLES['plugins'], 'pi_name', $pi_name);
 290  
 291      DB_query("INSERT INTO {$_TABLES['plugins']} (pi_name, pi_version, pi_gl_version, pi_homepage, pi_enabled) VALUES "
 292          . "('$pi_name', '$pi_version', '$gl_version', '$pi_url', 1)");
 293  
 294      if (DB_error ()) {
 295          $uninstall_plugin ();
 296  
 297          return false;
 298      }
 299  
 300      // give the plugin a chance to perform any post-install operations
 301      if (function_exists ('plugin_postinstall')) {
 302          if (!plugin_postinstall ()) {
 303              $uninstall_plugin ();
 304  
 305              return false;
 306          }
 307      }
 308  
 309      COM_errorLog ("Successfully installed the $pi_display_name plugin!", 1);
 310  
 311      return true;
 312  }
 313  
 314  
 315  // MAIN
 316  $display = '';
 317  
 318  if ($_REQUEST['action'] == 'uninstall') {
 319      $uninstall_plugin = 'plugin_uninstall_' . $pi_name;
 320      if ($uninstall_plugin ()) {
 321          $display = COM_refresh ($_CONF['site_admin_url']
 322                                  . '/plugins.php?msg=45');
 323      } else {
 324          $display = COM_refresh ($_CONF['site_admin_url']
 325                                  . '/plugins.php?msg=73');
 326      }
 327  } else if (DB_count ($_TABLES['plugins'], 'pi_name', $pi_name) == 0) {
 328      // plugin not installed
 329  
 330      if (plugin_compatible_with_this_geeklog_version ()) {
 331          if (plugin_install_now ()) {
 332              $display = COM_refresh ($_CONF['site_admin_url']
 333                                      . '/plugins.php?msg=44');
 334          } else {
 335              $display = COM_refresh ($_CONF['site_admin_url']
 336                                      . '/plugins.php?msg=72');
 337          }
 338      } else {
 339          // plugin needs a newer version of Geeklog
 340          $display .= COM_siteHeader ('menu', $LANG32[8])
 341                   . COM_startBlock ($LANG32[8])
 342                   . '<p>' . $LANG32[9] . '</p>'
 343                   . COM_endBlock ()
 344                   . COM_siteFooter ();
 345      }
 346  } else {
 347      // plugin already installed
 348      $display .= COM_siteHeader ('menu', $LANG01[77])
 349               . COM_startBlock ($LANG32[6])
 350               . '<p>' . $LANG32[7] . '</p>'
 351               . COM_endBlock ()
 352               . COM_siteFooter();
 353  }
 354  
 355  echo $display;
 356  
 357  ?>