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annotate update.php @ 15:4347c45bb494 6.7

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Drupal 6.7
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:32:44 +0100
parents c1f4ac30525a
children
rev   line source
webmaster@1 1 <?php
webmaster@15 2 // $Id: update.php,v 1.252.2.2 2008/12/10 22:30:13 goba Exp $
webmaster@1 3
webmaster@1 4 /**
webmaster@1 5 * @file
webmaster@1 6 * Administrative page for handling updates from one Drupal version to another.
webmaster@1 7 *
webmaster@1 8 * Point your browser to "http://www.example.com/update.php" and follow the
webmaster@1 9 * instructions.
webmaster@1 10 *
webmaster@1 11 * If you are not logged in as administrator, you will need to modify the access
webmaster@1 12 * check statement inside your settings.php file. After finishing the upgrade,
webmaster@1 13 * be sure to open settings.php again, and change it back to its original state!
webmaster@1 14 */
webmaster@1 15
webmaster@1 16 /**
webmaster@1 17 * Global flag to identify update.php run, and so avoid various unwanted
webmaster@1 18 * operations, such as hook_init() and hook_exit() invokes, css/js preprocessing
webmaster@1 19 * and translation, and solve some theming issues. This flag is checked on several
webmaster@1 20 * places in Drupal code (not just update.php).
webmaster@1 21 */
webmaster@1 22 define('MAINTENANCE_MODE', 'update');
webmaster@1 23
webmaster@1 24 /**
webmaster@1 25 * Add a column to a database using syntax appropriate for PostgreSQL.
webmaster@1 26 * Save result of SQL commands in $ret array.
webmaster@1 27 *
webmaster@1 28 * Note: when you add a column with NOT NULL and you are not sure if there are
webmaster@1 29 * already rows in the table, you MUST also add DEFAULT. Otherwise PostgreSQL
webmaster@1 30 * won't work when the table is not empty, and db_add_column() will fail.
webmaster@1 31 * To have an empty string as the default, you must use: 'default' => "''"
webmaster@1 32 * in the $attributes array. If NOT NULL and DEFAULT are set the PostgreSQL
webmaster@1 33 * version will set values of the added column in old rows to the
webmaster@1 34 * DEFAULT value.
webmaster@1 35 *
webmaster@1 36 * @param $ret
webmaster@1 37 * Array to which results will be added.
webmaster@1 38 * @param $table
webmaster@1 39 * Name of the table, without {}
webmaster@1 40 * @param $column
webmaster@1 41 * Name of the column
webmaster@1 42 * @param $type
webmaster@1 43 * Type of column
webmaster@1 44 * @param $attributes
webmaster@1 45 * Additional optional attributes. Recognized attributes:
webmaster@1 46 * not null => TRUE|FALSE
webmaster@1 47 * default => NULL|FALSE|value (the value must be enclosed in '' marks)
webmaster@1 48 * @return
webmaster@1 49 * nothing, but modifies $ret parameter.
webmaster@1 50 */
webmaster@1 51 function db_add_column(&$ret, $table, $column, $type, $attributes = array()) {
webmaster@1 52 if (array_key_exists('not null', $attributes) and $attributes['not null']) {
webmaster@1 53 $not_null = 'NOT NULL';
webmaster@1 54 }
webmaster@1 55 if (array_key_exists('default', $attributes)) {
webmaster@1 56 if (is_null($attributes['default'])) {
webmaster@1 57 $default_val = 'NULL';
webmaster@1 58 $default = 'default NULL';
webmaster@1 59 }
webmaster@1 60 elseif ($attributes['default'] === FALSE) {
webmaster@1 61 $default = '';
webmaster@1 62 }
webmaster@1 63 else {
webmaster@1 64 $default_val = "$attributes[default]";
webmaster@1 65 $default = "default $attributes[default]";
webmaster@1 66 }
webmaster@1 67 }
webmaster@1 68
webmaster@1 69 $ret[] = update_sql("ALTER TABLE {". $table ."} ADD $column $type");
webmaster@1 70 if (!empty($default)) {
webmaster@1 71 $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column SET $default");
webmaster@1 72 }
webmaster@1 73 if (!empty($not_null)) {
webmaster@1 74 if (!empty($default)) {
webmaster@1 75 $ret[] = update_sql("UPDATE {". $table ."} SET $column = $default_val");
webmaster@1 76 }
webmaster@1 77 $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column SET NOT NULL");
webmaster@1 78 }
webmaster@1 79 }
webmaster@1 80
webmaster@1 81 /**
webmaster@1 82 * Change a column definition using syntax appropriate for PostgreSQL.
webmaster@1 83 * Save result of SQL commands in $ret array.
webmaster@1 84 *
webmaster@1 85 * Remember that changing a column definition involves adding a new column
webmaster@1 86 * and dropping an old one. This means that any indices, primary keys and
webmaster@1 87 * sequences from serial-type columns are dropped and might need to be
webmaster@1 88 * recreated.
webmaster@1 89 *
webmaster@1 90 * @param $ret
webmaster@1 91 * Array to which results will be added.
webmaster@1 92 * @param $table
webmaster@1 93 * Name of the table, without {}
webmaster@1 94 * @param $column
webmaster@1 95 * Name of the column to change
webmaster@1 96 * @param $column_new
webmaster@1 97 * New name for the column (set to the same as $column if you don't want to change the name)
webmaster@1 98 * @param $type
webmaster@1 99 * Type of column
webmaster@1 100 * @param $attributes
webmaster@1 101 * Additional optional attributes. Recognized attributes:
webmaster@1 102 * not null => TRUE|FALSE
webmaster@1 103 * default => NULL|FALSE|value (with or without '', it won't be added)
webmaster@1 104 * @return
webmaster@1 105 * nothing, but modifies $ret parameter.
webmaster@1 106 */
webmaster@1 107 function db_change_column(&$ret, $table, $column, $column_new, $type, $attributes = array()) {
webmaster@1 108 if (array_key_exists('not null', $attributes) and $attributes['not null']) {
webmaster@1 109 $not_null = 'NOT NULL';
webmaster@1 110 }
webmaster@1 111 if (array_key_exists('default', $attributes)) {
webmaster@1 112 if (is_null($attributes['default'])) {
webmaster@1 113 $default_val = 'NULL';
webmaster@1 114 $default = 'default NULL';
webmaster@1 115 }
webmaster@1 116 elseif ($attributes['default'] === FALSE) {
webmaster@1 117 $default = '';
webmaster@1 118 }
webmaster@1 119 else {
webmaster@1 120 $default_val = "$attributes[default]";
webmaster@1 121 $default = "default $attributes[default]";
webmaster@1 122 }
webmaster@1 123 }
webmaster@1 124
webmaster@1 125 $ret[] = update_sql("ALTER TABLE {". $table ."} RENAME $column TO ". $column ."_old");
webmaster@1 126 $ret[] = update_sql("ALTER TABLE {". $table ."} ADD $column_new $type");
webmaster@1 127 $ret[] = update_sql("UPDATE {". $table ."} SET $column_new = ". $column ."_old");
webmaster@1 128 if ($default) { $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column_new SET $default"); }
webmaster@1 129 if ($not_null) { $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column_new SET NOT NULL"); }
webmaster@1 130 $ret[] = update_sql("ALTER TABLE {". $table ."} DROP ". $column ."_old");
webmaster@1 131 }
webmaster@1 132
webmaster@1 133 /**
webmaster@1 134 * Perform one update and store the results which will later be displayed on
webmaster@1 135 * the finished page.
webmaster@1 136 *
webmaster@1 137 * An update function can force the current and all later updates for this
webmaster@1 138 * module to abort by returning a $ret array with an element like:
webmaster@1 139 * $ret['#abort'] = array('success' => FALSE, 'query' => 'What went wrong');
webmaster@1 140 * The schema version will not be updated in this case, and all the
webmaster@1 141 * aborted updates will continue to appear on update.php as updates that
webmaster@1 142 * have not yet been run.
webmaster@1 143 *
webmaster@1 144 * @param $module
webmaster@1 145 * The module whose update will be run.
webmaster@1 146 * @param $number
webmaster@1 147 * The update number to run.
webmaster@1 148 * @param $context
webmaster@1 149 * The batch context array
webmaster@1 150 */
webmaster@1 151 function update_do_one($module, $number, &$context) {
webmaster@1 152 // If updates for this module have been aborted
webmaster@1 153 // in a previous step, go no further.
webmaster@1 154 if (!empty($context['results'][$module]['#abort'])) {
webmaster@1 155 return;
webmaster@1 156 }
webmaster@1 157
webmaster@1 158 $function = $module .'_update_'. $number;
webmaster@1 159 if (function_exists($function)) {
webmaster@1 160 $ret = $function($context['sandbox']);
webmaster@1 161 }
webmaster@1 162
webmaster@1 163 if (isset($ret['#finished'])) {
webmaster@1 164 $context['finished'] = $ret['#finished'];
webmaster@1 165 unset($ret['#finished']);
webmaster@1 166 }
webmaster@1 167
webmaster@1 168 if (!isset($context['results'][$module])) {
webmaster@1 169 $context['results'][$module] = array();
webmaster@1 170 }
webmaster@1 171 if (!isset($context['results'][$module][$number])) {
webmaster@1 172 $context['results'][$module][$number] = array();
webmaster@1 173 }
webmaster@1 174 $context['results'][$module][$number] = array_merge($context['results'][$module][$number], $ret);
webmaster@1 175
webmaster@1 176 if (!empty($ret['#abort'])) {
webmaster@1 177 $context['results'][$module]['#abort'] = TRUE;
webmaster@1 178 }
webmaster@1 179 // Record the schema update if it was completed successfully.
webmaster@1 180 if ($context['finished'] == 1 && empty($context['results'][$module]['#abort'])) {
webmaster@1 181 drupal_set_installed_schema_version($module, $number);
webmaster@1 182 }
webmaster@1 183
webmaster@1 184 $context['message'] = 'Updating '. check_plain($module) .' module';
webmaster@1 185 }
webmaster@1 186
webmaster@1 187 function update_selection_page() {
webmaster@1 188 $output = '<p>The version of Drupal you are updating from has been automatically detected. You can select a different version, but you should not need to.</p>';
webmaster@1 189 $output .= '<p>Click Update to start the update process.</p>';
webmaster@1 190
webmaster@1 191 drupal_set_title('Drupal database update');
webmaster@1 192 $output .= drupal_get_form('update_script_selection_form');
webmaster@1 193
webmaster@1 194 update_task_list('select');
webmaster@1 195
webmaster@1 196 return $output;
webmaster@1 197 }
webmaster@1 198
webmaster@1 199 function update_script_selection_form() {
webmaster@1 200 $form = array();
webmaster@1 201 $form['start'] = array(
webmaster@1 202 '#tree' => TRUE,
webmaster@1 203 '#type' => 'fieldset',
webmaster@1 204 '#title' => 'Select versions',
webmaster@1 205 '#collapsible' => TRUE,
webmaster@1 206 '#collapsed' => TRUE,
webmaster@1 207 );
webmaster@1 208
webmaster@1 209 // Ensure system.module's updates appear first
webmaster@1 210 $form['start']['system'] = array();
webmaster@1 211
webmaster@1 212 $modules = drupal_get_installed_schema_version(NULL, FALSE, TRUE);
webmaster@1 213 foreach ($modules as $module => $schema_version) {
webmaster@1 214 $updates = drupal_get_schema_versions($module);
webmaster@1 215 // Skip incompatible module updates completely, otherwise test schema versions.
webmaster@1 216 if (!update_check_incompatibility($module) && $updates !== FALSE && $schema_version >= 0) {
webmaster@1 217 // module_invoke returns NULL for nonexisting hooks, so if no updates
webmaster@1 218 // are removed, it will == 0.
webmaster@1 219 $last_removed = module_invoke($module, 'update_last_removed');
webmaster@1 220 if ($schema_version < $last_removed) {
webmaster@1 221 $form['start'][$module] = array(
webmaster@1 222 '#value' => '<em>'. $module .'</em> module can not be updated. Its schema version is '. $schema_version .'. Updates up to and including '. $last_removed .' have been removed in this release. In order to update <em>'. $module .'</em> module, you will first <a href="http://drupal.org/upgrade">need to upgrade</a> to the last version in which these updates were available.',
webmaster@1 223 '#prefix' => '<div class="warning">',
webmaster@1 224 '#suffix' => '</div>',
webmaster@1 225 );
webmaster@1 226 $form['start']['#collapsed'] = FALSE;
webmaster@1 227 continue;
webmaster@1 228 }
webmaster@1 229 $updates = drupal_map_assoc($updates);
webmaster@1 230 $updates[] = 'No updates available';
webmaster@1 231 $default = $schema_version;
webmaster@1 232 foreach (array_keys($updates) as $update) {
webmaster@1 233 if ($update > $schema_version) {
webmaster@1 234 $default = $update;
webmaster@1 235 break;
webmaster@1 236 }
webmaster@1 237 }
webmaster@1 238 $form['start'][$module] = array(
webmaster@1 239 '#type' => 'select',
webmaster@1 240 '#title' => $module .' module',
webmaster@1 241 '#default_value' => $default,
webmaster@1 242 '#options' => $updates,
webmaster@1 243 );
webmaster@1 244 }
webmaster@1 245 }
webmaster@1 246
webmaster@1 247 $form['has_js'] = array(
webmaster@1 248 '#type' => 'hidden',
webmaster@1 249 '#default_value' => FALSE,
webmaster@1 250 '#attributes' => array('id' => 'edit-has_js'),
webmaster@1 251 );
webmaster@1 252 $form['submit'] = array(
webmaster@1 253 '#type' => 'submit',
webmaster@1 254 '#value' => 'Update',
webmaster@1 255 );
webmaster@1 256 return $form;
webmaster@1 257 }
webmaster@1 258
webmaster@1 259 function update_batch() {
webmaster@1 260 global $base_url;
webmaster@1 261
webmaster@1 262 $operations = array();
webmaster@1 263 // Set the installed version so updates start at the correct place.
webmaster@1 264 foreach ($_POST['start'] as $module => $version) {
webmaster@1 265 drupal_set_installed_schema_version($module, $version - 1);
webmaster@1 266 $updates = drupal_get_schema_versions($module);
webmaster@1 267 $max_version = max($updates);
webmaster@1 268 if ($version <= $max_version) {
webmaster@1 269 foreach ($updates as $update) {
webmaster@1 270 if ($update >= $version) {
webmaster@1 271 $operations[] = array('update_do_one', array($module, $update));
webmaster@1 272 }
webmaster@1 273 }
webmaster@1 274 }
webmaster@1 275 }
webmaster@1 276 $batch = array(
webmaster@1 277 'operations' => $operations,
webmaster@1 278 'title' => 'Updating',
webmaster@1 279 'init_message' => 'Starting updates',
webmaster@1 280 'error_message' => 'An unrecoverable error has occurred. You can find the error message below. It is advised to copy it to the clipboard for reference.',
webmaster@1 281 'finished' => 'update_finished',
webmaster@1 282 );
webmaster@1 283 batch_set($batch);
webmaster@1 284 batch_process($base_url .'/update.php?op=results', $base_url .'/update.php');
webmaster@1 285 }
webmaster@1 286
webmaster@1 287 function update_finished($success, $results, $operations) {
webmaster@1 288 // clear the caches in case the data has been updated.
webmaster@1 289 drupal_flush_all_caches();
webmaster@1 290
webmaster@1 291 $_SESSION['update_results'] = $results;
webmaster@1 292 $_SESSION['update_success'] = $success;
webmaster@1 293 $_SESSION['updates_remaining'] = $operations;
webmaster@1 294 }
webmaster@1 295
webmaster@1 296 function update_results_page() {
webmaster@1 297 drupal_set_title('Drupal database update');
webmaster@1 298 // NOTE: we can't use l() here because the URL would point to 'update.php?q=admin'.
webmaster@1 299 $links[] = '<a href="'. base_path() .'">Main page</a>';
webmaster@1 300 $links[] = '<a href="'. base_path() .'?q=admin">Administration pages</a>';
webmaster@1 301
webmaster@1 302 update_task_list();
webmaster@1 303 // Report end result
webmaster@1 304 if (module_exists('dblog')) {
webmaster@1 305 $log_message = ' All errors have been <a href="'. base_path() .'?q=admin/reports/dblog">logged</a>.';
webmaster@1 306 }
webmaster@1 307 else {
webmaster@1 308 $log_message = ' All errors have been logged.';
webmaster@1 309 }
webmaster@1 310
webmaster@1 311 if ($_SESSION['update_success']) {
webmaster@1 312 $output = '<p>Updates were attempted. If you see no failures below, you may proceed happily to the <a href="'. base_path() .'?q=admin">administration pages</a>. Otherwise, you may need to update your database manually.'. $log_message .'</p>';
webmaster@1 313 }
webmaster@1 314 else {
webmaster@1 315 list($module, $version) = array_pop(reset($_SESSION['updates_remaining']));
webmaster@1 316 $output = '<p class="error">The update process was aborted prematurely while running <strong>update #'. $version .' in '. $module .'.module</strong>.'. $log_message;
webmaster@1 317 if (module_exists('dblog')) {
webmaster@1 318 $output .= ' You may need to check the <code>watchdog</code> database table manually.';
webmaster@1 319 }
webmaster@1 320 $output .= '</p>';
webmaster@1 321 }
webmaster@1 322
webmaster@1 323 if (!empty($GLOBALS['update_free_access'])) {
webmaster@1 324 $output .= "<p><strong>Reminder: don't forget to set the <code>\$update_free_access</code> value in your <code>settings.php</code> file back to <code>FALSE</code>.</strong></p>";
webmaster@1 325 }
webmaster@1 326
webmaster@1 327 $output .= theme('item_list', $links);
webmaster@1 328
webmaster@1 329 // Output a list of queries executed
webmaster@1 330 if (!empty($_SESSION['update_results'])) {
webmaster@1 331 $output .= '<div id="update-results">';
webmaster@1 332 $output .= '<h2>The following queries were executed</h2>';
webmaster@1 333 foreach ($_SESSION['update_results'] as $module => $updates) {
webmaster@1 334 $output .= '<h3>'. $module .' module</h3>';
webmaster@1 335 foreach ($updates as $number => $queries) {
webmaster@1 336 if ($number != '#abort') {
webmaster@1 337 $output .= '<h4>Update #'. $number .'</h4>';
webmaster@1 338 $output .= '<ul>';
webmaster@1 339 foreach ($queries as $query) {
webmaster@1 340 if ($query['success']) {
webmaster@1 341 $output .= '<li class="success">'. $query['query'] .'</li>';
webmaster@1 342 }
webmaster@1 343 else {
webmaster@1 344 $output .= '<li class="failure"><strong>Failed:</strong> '. $query['query'] .'</li>';
webmaster@1 345 }
webmaster@1 346 }
webmaster@1 347 if (!count($queries)) {
webmaster@1 348 $output .= '<li class="none">No queries</li>';
webmaster@1 349 }
webmaster@1 350 }
webmaster@1 351 $output .= '</ul>';
webmaster@1 352 }
webmaster@1 353 }
webmaster@1 354 $output .= '</div>';
webmaster@1 355 }
webmaster@1 356 unset($_SESSION['update_results']);
webmaster@1 357 unset($_SESSION['update_success']);
webmaster@1 358
webmaster@1 359 return $output;
webmaster@1 360 }
webmaster@1 361
webmaster@1 362 function update_info_page() {
webmaster@1 363 // Change query-strings on css/js files to enforce reload for all users.
webmaster@1 364 _drupal_flush_css_js();
webmaster@1 365 // Flush the cache of all data for the update status module.
webmaster@1 366 if (db_table_exists('cache_update')) {
webmaster@1 367 cache_clear_all('*', 'cache_update', TRUE);
webmaster@1 368 }
webmaster@1 369
webmaster@1 370 update_task_list('info');
webmaster@1 371 drupal_set_title('Drupal database update');
webmaster@15 372 $token = drupal_get_token('update');
webmaster@1 373 $output = '<p>Use this utility to update your database whenever a new release of Drupal or a module is installed.</p><p>For more detailed information, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.</p>';
webmaster@1 374 $output .= "<ol>\n";
webmaster@1 375 $output .= "<li><strong>Back up your database</strong>. This process will change your database values and in case of emergency you may need to revert to a backup.</li>\n";
webmaster@1 376 $output .= "<li><strong>Back up your code</strong>. Hint: when backing up module code, do not leave that backup in the 'modules' or 'sites/*/modules' directories as this may confuse Drupal's auto-discovery mechanism.</li>\n";
webmaster@1 377 $output .= '<li>Put your site into <a href="'. base_path() .'?q=admin/settings/site-maintenance">maintenance mode</a>.</li>'."\n";
webmaster@1 378 $output .= "<li>Install your new files in the appropriate location, as described in the handbook.</li>\n";
webmaster@1 379 $output .= "</ol>\n";
webmaster@1 380 $output .= "<p>When you have performed the steps above, you may proceed.</p>\n";
webmaster@15 381 $output .= '<form method="post" action="update.php?op=selection&token='. $token .'"><input type="submit" value="Continue" /></form>';
webmaster@1 382 $output .= "\n";
webmaster@1 383 return $output;
webmaster@1 384 }
webmaster@1 385
webmaster@1 386 function update_access_denied_page() {
webmaster@1 387 drupal_set_title('Access denied');
webmaster@1 388 return '<p>Access denied. You are not authorized to access this page. Please log in as the admin user (the first user you created). If you cannot log in, you will have to edit <code>settings.php</code> to bypass this access check. To do this:</p>
webmaster@1 389 <ol>
webmaster@1 390 <li>With a text editor find the settings.php file on your system. From the main Drupal directory that you installed all the files into, go to <code>sites/your_site_name</code> if such directory exists, or else to <code>sites/default</code> which applies otherwise.</li>
webmaster@1 391 <li>There is a line inside your settings.php file that says <code>$update_free_access = FALSE;</code>. Change it to <code>$update_free_access = TRUE;</code>.</li>
webmaster@1 392 <li>As soon as the update.php script is done, you must change the settings.php file back to its original form with <code>$update_free_access = FALSE;</code>.</li>
webmaster@1 393 <li>To avoid having this problem in future, remember to log in to your website as the admin user (the user you first created) before you backup your database at the beginning of the update process.</li>
webmaster@1 394 </ol>';
webmaster@1 395 }
webmaster@1 396
webmaster@1 397 /**
webmaster@1 398 * Create the batch table.
webmaster@1 399 *
webmaster@1 400 * This is part of the Drupal 5.x to 6.x migration.
webmaster@1 401 */
webmaster@1 402 function update_create_batch_table() {
webmaster@1 403
webmaster@1 404 // If batch table exists, update is not necessary
webmaster@1 405 if (db_table_exists('batch')) {
webmaster@1 406 return;
webmaster@1 407 }
webmaster@1 408
webmaster@1 409 $schema['batch'] = array(
webmaster@1 410 'fields' => array(
webmaster@1 411 'bid' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
webmaster@1 412 'token' => array('type' => 'varchar', 'length' => 64, 'not null' => TRUE),
webmaster@1 413 'timestamp' => array('type' => 'int', 'not null' => TRUE),
webmaster@1 414 'batch' => array('type' => 'text', 'not null' => FALSE, 'size' => 'big')
webmaster@1 415 ),
webmaster@1 416 'primary key' => array('bid'),
webmaster@1 417 'indexes' => array('token' => array('token')),
webmaster@1 418 );
webmaster@1 419
webmaster@1 420 $ret = array();
webmaster@1 421 db_create_table($ret, 'batch', $schema['batch']);
webmaster@1 422 return $ret;
webmaster@1 423 }
webmaster@1 424
webmaster@1 425 /**
webmaster@1 426 * Disable anything in the {system} table that is not compatible with the
webmaster@1 427 * current version of Drupal core.
webmaster@1 428 */
webmaster@1 429 function update_fix_compatibility() {
webmaster@1 430 $ret = array();
webmaster@1 431 $incompatible = array();
webmaster@1 432 $query = db_query("SELECT name, type, status FROM {system} WHERE status = 1 AND type IN ('module','theme')");
webmaster@1 433 while ($result = db_fetch_object($query)) {
webmaster@1 434 if (update_check_incompatibility($result->name, $result->type)) {
webmaster@1 435 $incompatible[] = $result->name;
webmaster@1 436 }
webmaster@1 437 }
webmaster@1 438 if (!empty($incompatible)) {
webmaster@1 439 $ret[] = update_sql("UPDATE {system} SET status = 0 WHERE name IN ('". implode("','", $incompatible) ."')");
webmaster@1 440 }
webmaster@1 441 return $ret;
webmaster@1 442 }
webmaster@1 443
webmaster@1 444 /**
webmaster@1 445 * Helper function to test compatibility of a module or theme.
webmaster@1 446 */
webmaster@1 447 function update_check_incompatibility($name, $type = 'module') {
webmaster@1 448 static $themes, $modules;
webmaster@1 449
webmaster@1 450 // Store values of expensive functions for future use.
webmaster@1 451 if (empty($themes) || empty($modules)) {
webmaster@15 452 $themes = _system_theme_data();
webmaster@1 453 $modules = module_rebuild_cache();
webmaster@1 454 }
webmaster@1 455
webmaster@1 456 if ($type == 'module' && isset($modules[$name])) {
webmaster@1 457 $file = $modules[$name];
webmaster@1 458 }
webmaster@1 459 else if ($type == 'theme' && isset($themes[$name])) {
webmaster@1 460 $file = $themes[$name];
webmaster@1 461 }
webmaster@1 462 if (!isset($file)
webmaster@1 463 || !isset($file->info['core'])
webmaster@1 464 || $file->info['core'] != DRUPAL_CORE_COMPATIBILITY
webmaster@1 465 || version_compare(phpversion(), $file->info['php']) < 0) {
webmaster@1 466 return TRUE;
webmaster@1 467 }
webmaster@1 468 return FALSE;
webmaster@1 469 }
webmaster@1 470
webmaster@1 471 /**
webmaster@1 472 * Perform Drupal 5.x to 6.x updates that are required for update.php
webmaster@1 473 * to function properly.
webmaster@1 474 *
webmaster@1 475 * This function runs when update.php is run the first time for 6.x,
webmaster@1 476 * even before updates are selected or performed. It is important
webmaster@1 477 * that if updates are not ultimately performed that no changes are
webmaster@1 478 * made which make it impossible to continue using the prior version.
webmaster@1 479 * Just adding columns is safe. However, renaming the
webmaster@1 480 * system.description column to owner is not. Therefore, we add the
webmaster@1 481 * system.owner column and leave it to system_update_6008() to copy
webmaster@1 482 * the data from description and remove description. The same for
webmaster@1 483 * renaming locales_target.locale to locales_target.language, which
webmaster@1 484 * will be finished by locale_update_6002().
webmaster@1 485 */
webmaster@1 486 function update_fix_d6_requirements() {
webmaster@1 487 $ret = array();
webmaster@1 488
webmaster@1 489 if (drupal_get_installed_schema_version('system') < 6000 && !variable_get('update_d6_requirements', FALSE)) {
webmaster@1 490 $spec = array('type' => 'int', 'size' => 'small', 'default' => 0, 'not null' => TRUE);
webmaster@1 491 db_add_field($ret, 'cache', 'serialized', $spec);
webmaster@1 492 db_add_field($ret, 'cache_filter', 'serialized', $spec);
webmaster@1 493 db_add_field($ret, 'cache_page', 'serialized', $spec);
webmaster@1 494 db_add_field($ret, 'cache_menu', 'serialized', $spec);
webmaster@1 495
webmaster@1 496 db_add_field($ret, 'system', 'info', array('type' => 'text'));
webmaster@1 497 db_add_field($ret, 'system', 'owner', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''));
webmaster@1 498 if (db_table_exists('locales_target')) {
webmaster@1 499 db_add_field($ret, 'locales_target', 'language', array('type' => 'varchar', 'length' => 12, 'not null' => TRUE, 'default' => ''));
webmaster@1 500 }
webmaster@1 501 if (db_table_exists('locales_source')) {
webmaster@1 502 db_add_field($ret, 'locales_source', 'textgroup', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => 'default'));
webmaster@1 503 db_add_field($ret, 'locales_source', 'version', array('type' => 'varchar', 'length' => 20, 'not null' => TRUE, 'default' => 'none'));
webmaster@1 504 }
webmaster@1 505 variable_set('update_d6_requirements', TRUE);
webmaster@1 506
webmaster@1 507 // Create the cache_block table. See system_update_6027() for more details.
webmaster@1 508 $schema['cache_block'] = array(
webmaster@1 509 'fields' => array(
webmaster@1 510 'cid' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
webmaster@1 511 'data' => array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'),
webmaster@1 512 'expire' => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
webmaster@1 513 'created' => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
webmaster@1 514 'headers' => array('type' => 'text', 'not null' => FALSE),
webmaster@1 515 'serialized' => array('type' => 'int', 'size' => 'small', 'not null' => TRUE, 'default' => 0)
webmaster@1 516 ),
webmaster@1 517 'indexes' => array('expire' => array('expire')),
webmaster@1 518 'primary key' => array('cid'),
webmaster@1 519 );
webmaster@1 520 db_create_table($ret, 'cache_block', $schema['cache_block']);
webmaster@1 521 }
webmaster@1 522
webmaster@1 523 return $ret;
webmaster@1 524 }
webmaster@1 525
webmaster@1 526 /**
webmaster@1 527 * Add the update task list to the current page.
webmaster@1 528 */
webmaster@1 529 function update_task_list($active = NULL) {
webmaster@1 530 // Default list of tasks.
webmaster@1 531 $tasks = array(
webmaster@1 532 'info' => 'Overview',
webmaster@1 533 'select' => 'Select updates',
webmaster@1 534 'run' => 'Run updates',
webmaster@1 535 'finished' => 'Review log',
webmaster@1 536 );
webmaster@1 537
webmaster@1 538 drupal_set_content('left', theme('task_list', $tasks, $active));
webmaster@1 539 }
webmaster@1 540
webmaster@1 541 /**
webmaster@1 542 * Check update requirements and report any errors.
webmaster@1 543 */
webmaster@1 544 function update_check_requirements() {
webmaster@1 545 // Check the system module requirements only.
webmaster@1 546 $requirements = module_invoke('system', 'requirements', 'update');
webmaster@1 547 $severity = drupal_requirements_severity($requirements);
webmaster@1 548
webmaster@1 549 // If there are issues, report them.
webmaster@1 550 if ($severity != REQUIREMENT_OK) {
webmaster@1 551 foreach ($requirements as $requirement) {
webmaster@1 552 if (isset($requirement['severity']) && $requirement['severity'] != REQUIREMENT_OK) {
webmaster@1 553 $message = isset($requirement['description']) ? $requirement['description'] : '';
webmaster@1 554 if (isset($requirement['value']) && $requirement['value']) {
webmaster@1 555 $message .= ' (Currently using '. $requirement['title'] .' '. $requirement['value'] .')';
webmaster@1 556 }
webmaster@1 557 drupal_set_message($message, 'warning');
webmaster@1 558 }
webmaster@1 559 }
webmaster@1 560 }
webmaster@1 561 }
webmaster@1 562
webmaster@1 563 // Some unavoidable errors happen because the database is not yet up-to-date.
webmaster@1 564 // Our custom error handler is not yet installed, so we just suppress them.
webmaster@1 565 ini_set('display_errors', FALSE);
webmaster@1 566
webmaster@1 567 require_once './includes/bootstrap.inc';
webmaster@1 568
webmaster@1 569 // We only load DRUPAL_BOOTSTRAP_CONFIGURATION for the update requirements
webmaster@1 570 // check to avoid reaching the PHP memory limit.
webmaster@1 571 $op = isset($_REQUEST['op']) ? $_REQUEST['op'] : '';
webmaster@1 572 if (empty($op)) {
webmaster@1 573 // Minimum load of components.
webmaster@1 574 drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
webmaster@1 575
webmaster@1 576 require_once './includes/install.inc';
webmaster@1 577 require_once './includes/file.inc';
webmaster@1 578 require_once './modules/system/system.install';
webmaster@1 579
webmaster@1 580 // Load module basics.
webmaster@1 581 include_once './includes/module.inc';
webmaster@1 582 $module_list['system']['filename'] = 'modules/system/system.module';
webmaster@1 583 $module_list['filter']['filename'] = 'modules/filter/filter.module';
webmaster@1 584 module_list(TRUE, FALSE, FALSE, $module_list);
webmaster@1 585 drupal_load('module', 'system');
webmaster@1 586 drupal_load('module', 'filter');
webmaster@1 587
webmaster@1 588 // Set up $language, since the installer components require it.
webmaster@1 589 drupal_init_language();
webmaster@1 590
webmaster@1 591 // Set up theme system for the maintenance page.
webmaster@1 592 drupal_maintenance_theme();
webmaster@1 593
webmaster@1 594 // Check the update requirements for Drupal.
webmaster@1 595 update_check_requirements();
webmaster@1 596
webmaster@1 597 // Display the warning messages (if any) in a dedicated maintenance page,
webmaster@1 598 // or redirect to the update information page if no message.
webmaster@1 599 $messages = drupal_set_message();
webmaster@1 600 if (!empty($messages['warning'])) {
webmaster@1 601 drupal_maintenance_theme();
webmaster@1 602 print theme('update_page', '<form method="post" action="update.php?op=info"><input type="submit" value="Continue" /></form>', FALSE);
webmaster@1 603 exit;
webmaster@1 604 }
webmaster@1 605 install_goto('update.php?op=info');
webmaster@1 606 }
webmaster@1 607
webmaster@1 608 drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
webmaster@1 609 drupal_maintenance_theme();
webmaster@1 610
webmaster@1 611 // This must happen *after* drupal_bootstrap(), since it calls
webmaster@1 612 // variable_(get|set), which only works after a full bootstrap.
webmaster@1 613 update_create_batch_table();
webmaster@1 614
webmaster@1 615 // Turn error reporting back on. From now on, only fatal errors (which are
webmaster@1 616 // not passed through the error handler) will cause a message to be printed.
webmaster@1 617 ini_set('display_errors', TRUE);
webmaster@1 618
webmaster@1 619 // Access check:
webmaster@1 620 if (!empty($update_free_access) || $user->uid == 1) {
webmaster@1 621
webmaster@1 622 include_once './includes/install.inc';
webmaster@1 623 include_once './includes/batch.inc';
webmaster@1 624 drupal_load_updates();
webmaster@1 625
webmaster@1 626 update_fix_d6_requirements();
webmaster@1 627 update_fix_compatibility();
webmaster@1 628
webmaster@1 629 $op = isset($_REQUEST['op']) ? $_REQUEST['op'] : '';
webmaster@1 630 switch ($op) {
webmaster@15 631 case 'selection':
webmaster@15 632 if (isset($_GET['token']) && $_GET['token'] == drupal_get_token('update')) {
webmaster@15 633 $output = update_selection_page();
webmaster@15 634 break;
webmaster@15 635 }
webmaster@15 636
webmaster@15 637 case 'Update':
webmaster@15 638 if (isset($_GET['token']) && $_GET['token'] == drupal_get_token('update')) {
webmaster@15 639 update_batch();
webmaster@15 640 break;
webmaster@15 641 }
webmaster@15 642
webmaster@1 643 // update.php ops
webmaster@1 644 case 'info':
webmaster@1 645 $output = update_info_page();
webmaster@1 646 break;
webmaster@1 647
webmaster@1 648 case 'results':
webmaster@1 649 $output = update_results_page();
webmaster@1 650 break;
webmaster@1 651
webmaster@1 652 // Regular batch ops : defer to batch processing API
webmaster@1 653 default:
webmaster@1 654 update_task_list('run');
webmaster@1 655 $output = _batch_page();
webmaster@1 656 break;
webmaster@1 657 }
webmaster@1 658 }
webmaster@1 659 else {
webmaster@1 660 $output = update_access_denied_page();
webmaster@1 661 }
webmaster@1 662 if (isset($output) && $output) {
webmaster@1 663 // We defer the display of messages until all updates are done.
webmaster@1 664 $progress_page = ($batch = batch_get()) && isset($batch['running']);
webmaster@1 665 print theme('update_page', $output, !$progress_page);
webmaster@1 666 }