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<?php
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// $Id: demo.admin.inc,v 1.20 2009/07/29 14:01:32 sun Exp $
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/**
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* @file
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* Demonstration Site administrative pages
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*/
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/**
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* Current version of SQL dump structure.
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*/
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define('DEMO_DUMP_VERSION', '1.1');
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function demo_admin_settings($form, &$form_state) {
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global $base_url;
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$form['status'] = array(
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'#type' => 'fieldset',
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'#title' => t('Status'),
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'#collapsible' => FALSE,
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);
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if (variable_get('demo_reset_last', 0)) {
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$reset_date = format_date(variable_get('demo_reset_last', 0));
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}
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else {
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$reset_date = t('Never');
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}
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$form['status'][] = array(
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'#markup' => t('<p><strong>Last reset:</strong> !date</p>', array('!date' => $reset_date)),
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);
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$form['status'][] = array(
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'#markup' => t('<p><strong>Default snapshot:</strong> !snapshot</p>', array('!snapshot' => variable_get('demo_dump_cron', t('None')))),
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);
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$fileconfig = demo_get_fileconfig();
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$form['dump'] = array(
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'#type' => 'fieldset',
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'#title' => t('Dump settings'),
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'#collapsible' => TRUE,
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'#collapsed' => (variable_get('demo_reset_interval', 0) ? FALSE : TRUE),
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);
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$period = drupal_map_assoc(array(0, 1800, 3600, 7200, 10800, 14400, 18000, 21600, 32400, 43200, 86400, 172800, 259200, 604800, 1209600, 2419200, 4838400, 9676800), 'format_interval');
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$period[0] = t('disabled');
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$form['dump']['interval'] = array(
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'#type' => 'select',
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'#title' => t('Automatically reset site every'),
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'#default_value' => variable_get('demo_reset_interval', 0),
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'#options' => $period,
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'#description' => t('Select how often this demonstration site is automatically reset. Ensure that you have chosen a snapshot for cron runs in <a href="!manage">Manage snapshots</a> first. <strong>Note:</strong> This requires cron to run at least within this interval.', array('!manage' => url('admin/structure/demo/manage'))),
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);
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$form['dump']['path'] = array(
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'#type' => 'textfield',
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'#title' => t('Dump path'),
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'#default_value' => $fileconfig['path'],
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'#size' => 30,
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'#description' => t('Enter a writable directory where dump files of this demonstration site are stored, f.e. %files. The name of this site (e.g. %confpath) is automatically appended to this directory, if required.<br /><br /><strong>Note: For security reasons you should store site dumps outside of the document root of your webspace!</strong>', array('%files' => file_directory_path() . '/demo', '%confpath' => $fileconfig['site'])),
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);
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$form[] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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);
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return $form;
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}
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function demo_admin_settings_submit($form, &$form_state) {
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if (!file_check_directory($form_state['values']['path'], FILE_CREATE_DIRECTORY)) {
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form_set_error('path', t('The snapshot directory %directory could not be created.', array('%directory' => $form_state['values']['path'])));
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return FALSE;
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}
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else {
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variable_set('demo_dump_path', $form_state['values']['path']);
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}
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variable_set('demo_reset_interval', $form_state['values']['interval']);
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drupal_set_message(t('The configuration options have been saved.'));
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}
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function demo_manage($form, &$form_state) {
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$form['dump'] = array(
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'#type' => 'fieldset',
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'#title' => t('Available snapshots'),
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);
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$form = array_merge_recursive($form, demo_get_dumps());
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$form[] = array(
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'#type' => 'submit',
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'#value' => t('Use for cron runs'),
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);
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$form[] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#submit' => array('demo_manage_delete_submit'),
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);
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return $form;
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}
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function demo_manage_submit($form, &$form_state) {
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demo_set_default($form_state['values']['filename']);
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}
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function demo_manage_delete_submit($form, &$form_state) {
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$form_state['redirect'] = 'admin/structure/demo/delete/' . $form_state['values']['filename'];
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}
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function demo_delete_confirm($form, &$form_state, $filename) {
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$fileconfig = demo_get_fileconfig($filename);
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if (!file_exists($fileconfig['infofile'])) {
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return drupal_access_denied();
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}
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$form['filename'] = array(
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'#type' => 'value',
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'#value' => $filename,
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);
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return confirm_form($form, t('Are you sure you want to delete the snapshot %title?', array('%title' => $filename)), 'admin/structure/demo/manage', t('This action cannot be undone.'), t('Delete'));
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}
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function demo_delete_confirm_submit($form, &$form_state) {
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$files = demo_get_fileconfig($form_state['values']['filename']);
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unlink($files['sqlfile']);
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unlink($files['infofile']);
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drupal_set_message(t('Snapshot %title has been deleted.', array('%title' => $form_state['values']['filename'])));
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$form_state['redirect'] = 'admin/structure/demo/manage';
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}
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function demo_dump($form, &$form_state) {
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$form['dump']['filename'] = array(
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'#title' => t('File name'),
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'#type' => 'textfield',
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'#autocomplete_path' => 'demo/autocomplete',
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'#required' => TRUE,
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'#maxlength' => 128,
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'#description' => t('Enter the snapshot file name without file extension. Allowed characters are a-z, 0-9, dashes ("-"), underscores ("_") and dots.'),
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);
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$form['dump']['default'] = array(
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'#title' => t('Set as new default snapshot'),
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'#type' => 'checkbox',
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);
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$form['dump']['description'] = array(
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'#title' => t('Description'),
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'#type' => 'textarea',
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'#rows' => 2,
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'#description' => t('Optionally enter a description for this snapshot here. If no description is given and a snapshot with the same filename already exists, the previous description is used.'),
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);
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return confirm_form($form, t('Are you sure you want to create a new snapshot?'), 'admin/structure/demo', t('If the above filename already exists, creating a new snapshot will overwrite the existing snapshot. This action cannot be undone.'), t('Create'), t('Cancel'));
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}
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function demo_dump_submit($form, &$form_state) {
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// Generate info file.
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$info = demo_set_info($form_state['values']);
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if (!$info) {
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return FALSE;
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}
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// Include database specific functions.
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$engine = db_driver();
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$inc_file = drupal_get_path('module', 'demo') . '/database_' . $engine . '_dump.inc';
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if (file_exists($inc_file)) {
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require_once $inc_file;
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if (!empty($form_state['values']['default'])) {
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// Set new default snapshot.
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demo_set_default($info['filename']);
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}
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// Increase PHP's max_execution_time for large dumps.
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@set_time_limit(600);
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// Perform dump.
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$fileconfig = demo_get_fileconfig($info['filename']);
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$exclude = array(
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'{cache}',
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'{cache_admin_menu}',
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'{cache_block}',
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'{cache_content}',
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'{cache_filter}',
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'{cache_form}',
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'{cache_menu}',
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'{cache_page}',
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'{cache_path}',
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'{cache_registry}',
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'{cache_views}',
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'{ctools_object_cache}',
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'{panels_object_cache}',
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'{views_object_cache}',
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'{watchdog}',
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);
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$exclude = array_map(array('DatabaseConnection', 'prefixTables'), $exclude);
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demo_dump_db($fileconfig['sqlfile'], $exclude);
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drupal_set_message(t('Successfully created snapshot %filename.', array('%filename' => $fileconfig['sqlfile'])));
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}
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else {
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drupal_set_message(t('@engine support not implemented yet.', array('@engine' => ucfirst($engine))), 'error');
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}
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$form_state['redirect'] = 'admin/structure/demo/manage';
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}
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function demo_reset_confirm($form, &$form_state) {
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$form['dump'] = array(
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'#type' => 'fieldset',
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'#title' => t('Available snapshots'),
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);
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$form = array_merge_recursive($form, demo_get_dumps());
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return confirm_form($form, t('Are you sure you want to reset the site?'), 'admin/structure/demo', t('Resetting the site will overwrite all changes that have been made to this Drupal installation since the chosen snapshot.<br /><br /><div style="color: red; font-weight: bold; font-size: 18px;"><center>THIS ACTION CANNOT BE UNDONE!</center><br /></div>'), t('Reset'), t('Cancel'));
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}
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function demo_reset_confirm_submit($form, &$form_state) {
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// Increase PHP's max_execution_time for large dumps.
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@set_time_limit(600);
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// Reset site to chosen snapshot.
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demo_reset($form_state['values']['filename']);
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// Save time of last reset.
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variable_set('demo_reset_last', REQUEST_TIME);
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$form_state['redirect'] = isset($form_state['values']['redirect']) ? $form_state['values']['redirect'] : 'admin/structure/demo';
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}
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function demo_reset($filename = 'demo_site', $verbose = TRUE) {
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$fileconfig = demo_get_fileconfig($filename);
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if (!file_exists($fileconfig['sqlfile']) || !($fp = fopen($fileconfig['sqlfile'], 'r'))) {
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if ($verbose) {
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drupal_set_message(t('Unable to open dump file %filename.', array('%filename' => $fileconfig['sqlfile'])), 'error');
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}
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watchdog('demo', 'Unable to open dump file %filename.', array('%filename' => $fileconfig['sqlfile']), WATCHDOG_ERROR);
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return FALSE;
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}
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// Load any database information in front of reset.
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$demo_dump_cron = variable_get('demo_dump_cron', $filename);
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$version = demo_get_info($fileconfig['infofile'], 'version');
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$is_version_1_0_dump = version_compare($version, '1.1', '<');
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if (file_exists($fileconfig['sqlfile']) && $fp = fopen($fileconfig['sqlfile'], 'r')) {
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// Drop tables
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$dt_watchdog = DatabaseConnection::prefixTables('{watchdog}');
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foreach (demo_enum_tables() as $table) {
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// Skip watchdog, except for legacy dumps that included the watchdog table
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if ($table != $dt_watchdog || $is_version_1_0_dump) {
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db_query("DROP TABLE $table");
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}
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}
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// Load data from snapshot
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$query = '';
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$success = TRUE;
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while (!feof($fp)) {
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$line = fgets($fp, 16384);
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if ($line && $line != "\n" && strncmp($line, '--', 2) && strncmp($line, '#', 1)) {
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$query .= $line;
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if (substr($line, -2) == ";\n") {
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$options = array(
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'target' => 'default',
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'return' => Database::RETURN_NULL,
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// 'throw_exception' => FALSE,
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);
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$stmt = Database::getConnection($options['target'])->prepare($query);
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if (!$stmt->execute(array(), $options)) {
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if ($verbose) {
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// Don't use t() here, as the locale_* tables might not (yet) exist.
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drupal_set_message(strtr('Query failed: %query', array('%query' => $query)), 'error');
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}
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$success = FALSE;
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}
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$query = '';
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}
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}
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}
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}
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fclose($fp);
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if ($success) {
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// Allow other modules to act on successful resets.
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module_invoke_all('demo_reset');
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if ($verbose) {
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drupal_set_message(t('Successfully restored database from %filename.', array('%filename' => $fileconfig['sqlfile'])));
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}
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watchdog('demo', 'Successfully restored database from %filename.', array('%filename' => $fileconfig['sqlfile']), WATCHDOG_NOTICE);
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}
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else {
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if ($verbose) {
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drupal_set_message(t('Failed restoring database from %filename.', array('%filename' => $fileconfig['sqlfile'])), 'error');
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}
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watchdog('demo', 'Failed restoring database from %filename.', array('%filename' => $fileconfig['sqlfile']), WATCHDOG_ERROR);
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}
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// Reset default dump to load on cron.
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variable_set('demo_dump_cron', $demo_dump_cron);
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return $success;
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}
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function demo_get_fileconfig($filename = 'demo_site') {
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// Build dump path.
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$fileconfig['path'] = variable_get('demo_dump_path', file_directory_path('private') . '/demo');
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$fileconfig['dumppath'] = $fileconfig['path'];
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// Append site name if it is not included in file_directory_path() and if not
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// storing files in sites/all/files.
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$fileconfig['site'] = str_replace('sites', '', conf_path());
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if (strpos($fileconfig['path'], conf_path()) === FALSE && strpos($fileconfig['path'], '/all/') === FALSE) {
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$fileconfig['dumppath'] .= $fileconfig['site'];
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}
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// Check if directory exists.
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file_prepare_directory($fileconfig['path'], FILE_CREATE_DIRECTORY, 'path');
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if (!file_prepare_directory($fileconfig['dumppath'], FILE_CREATE_DIRECTORY, 'path')) {
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return FALSE;
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}
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// Protect dump files.
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file_create_htaccess($fileconfig['path'], TRUE);
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// Build SQL filename.
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$fileconfig['sql'] = $filename . '.sql';
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$fileconfig['sqlfile'] = $fileconfig['dumppath'] . '/' . $fileconfig['sql'];
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// Build info filename.
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$fileconfig['info'] = $filename . '.info';
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$fileconfig['infofile'] = $fileconfig['dumppath'] . '/' . $fileconfig['info'];
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return $fileconfig;
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}
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function demo_get_dumps() {
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$fileconfig = demo_get_fileconfig();
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// Fetch list of available info files
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$files = file_scan_directory($fileconfig['dumppath'], '/\.info$/');
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foreach ($files as $file => $object) {
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$files[$file]->filemtime = filemtime($file);
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$files[$file]->filesize = filesize(substr($file, 0, -4) . 'sql');
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}
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// Sort snapshots by date (ascending file modification time)
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uasort($files, create_function('$a, $b', 'return ($a->filemtime < $b->filemtime);'));
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$options = array();
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// Forms API does not pass selected value of individual radio buttons,
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// so we manually insert an internal form value here.
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$options['dump']['filename'] = array(
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'#type' => 'value',
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'#required' => TRUE,
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'#title' => t('Snapshot'),
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);
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foreach ($files as $filename => $file) {
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// Build basic file info
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$files[$filename] = (array)$files[$filename];
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$info = demo_get_info($filename);
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// Convert file info for Forms API
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$option = array();
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$option['#type'] = 'radio';
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$option['#name'] = 'filename';
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$option['#title'] = $info['filename'] . ' (' . format_date($file->filemtime, 'small') . ', ' . format_size($file->filesize) . ')';
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$option['#return_value'] = $info['filename'];
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if ($info['filename'] == variable_get('demo_dump_cron', 'demo_site')) {
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$option['#value'] = $info['filename'];
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}
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$option['#description'] = '';
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if (!empty($info['description'])) {
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$option['#description'] .= '<p>' . $info['description'] . '</p>';
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}
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$targs = array(
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'@info-file-url' => url('demo/download/' . $file->name . '/info'),
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'@sql-file-url' => url('demo/download/' . $file->name . '/sql'),
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);
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$option['#description'] .= '<p>' . t('Download: <a href="@info-file-url">.info file</a>, <a href="@sql-file-url">.sql file</a>', $targs) . '</p>';
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if (count($info['modules']) > 1) {
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// Remove required core modules and obvious modules from module list.
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$info['modules'] = array_diff($info['modules'], array('block', 'filter', 'node', 'system', 'user', 'watchdog', 'demo'));
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// Sort module list alphabetically.
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sort($info['modules']);
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$option['#description'] .= t('Modules: ') . implode(', ', $info['modules']);
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}
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$option['#attributes'] = array('onclick' => "jQuery('.description', this.parentNode.parentNode).slideToggle();");
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$options['dump'][] = $option;
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}
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// Attach stylesheet to initially hide descriptions
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drupal_add_js("jQuery('div.form-item div.description', jQuery('form')).hide();", array('type' => 'inline', 'scope' => 'footer'));
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return $options;
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}
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function demo_get_info($filename, $field = NULL) {
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$info = array();
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if (file_exists($filename)) {
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$info = parse_ini_file($filename);
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| 397 |
if (isset($info['modules'])) {
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$info['modules'] = explode(" ", $info['modules']);
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}
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else {
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$info['modules'] = NULL;
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}
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if (!isset($info['version'])) {
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| 405 |
$info['version'] = '1.0';
|
| 406 |
}
|
| 407 |
}
|
| 408 |
|
| 409 |
if (isset($field)) {
|
| 410 |
return isset($info[$field]) ? $info[$field] : NULL;
|
| 411 |
}
|
| 412 |
else {
|
| 413 |
return $info;
|
| 414 |
}
|
| 415 |
}
|
| 416 |
|
| 417 |
function demo_set_info($values = NULL) {
|
| 418 |
if (isset($values['filename']) && is_array($values)) {
|
| 419 |
// Check for valid filename
|
| 420 |
if (!preg_match('/^[-_\.a-zA-Z0-9]+$/', $values['filename'])) {
|
| 421 |
drupal_set_message(t('Dump filename %title must contain alphanumeric characters, dots, dashes and underscores only. Other characters, including blanks (spaces), are not allowed.', array('%title' => $values['filename'])), 'error');
|
| 422 |
return FALSE;
|
| 423 |
}
|
| 424 |
|
| 425 |
if (!empty($values['description'])) {
|
| 426 |
// parse_ini_file() doesn't allow certain characters in description
|
| 427 |
$s = array("\r\n", "\r", "\n", '"');
|
| 428 |
$r = array(' ', ' ', ' ', "'");
|
| 429 |
$values['description'] = str_replace($s, $r, $values['description']);
|
| 430 |
}
|
| 431 |
else {
|
| 432 |
// If new description is empty, try to use previous description.
|
| 433 |
$old_file = demo_get_fileconfig($values['filename']);
|
| 434 |
$old_description = demo_get_info($old_file['infofile'], 'description');
|
| 435 |
if (!empty($old_description)) {
|
| 436 |
$values['description'] = $old_description;
|
| 437 |
}
|
| 438 |
}
|
| 439 |
|
| 440 |
// Set values
|
| 441 |
$infos = array();
|
| 442 |
$infos['filename'] = $values['filename'];
|
| 443 |
$infos['description'] = '"' . $values['description'] . '"';
|
| 444 |
$infos['modules'] = implode(' ', module_list());
|
| 445 |
$infos['version'] = DEMO_DUMP_VERSION;
|
| 446 |
|
| 447 |
// Write information to .info file
|
| 448 |
$fileconfig = demo_get_fileconfig($values['filename']);
|
| 449 |
$infofile = fopen($fileconfig['infofile'], 'w');
|
| 450 |
foreach ($infos as $key => $info) {
|
| 451 |
fwrite($infofile, $key . ' = ' . $info . "\n");
|
| 452 |
}
|
| 453 |
fclose($infofile);
|
| 454 |
|
| 455 |
return $infos;
|
| 456 |
}
|
| 457 |
}
|
| 458 |
|
| 459 |
/**
|
| 460 |
* Returns a list of tables in the active database.
|
| 461 |
*
|
| 462 |
* Only returns tables whose prefix matches the configured one (or ones, if
|
| 463 |
* there are multiple).
|
| 464 |
*/
|
| 465 |
function demo_enum_tables() {
|
| 466 |
global $db_prefix;
|
| 467 |
|
| 468 |
$tables = array();
|
| 469 |
|
| 470 |
if (is_array($db_prefix)) {
|
| 471 |
// Create a regular expression for table prefix matching.
|
| 472 |
$rx = '/^' . implode('|', array_filter($db_prefix)) . '/';
|
| 473 |
}
|
| 474 |
else if ($db_prefix != '') {
|
| 475 |
$rx = '/^' . $db_prefix . '/';
|
| 476 |
}
|
| 477 |
|
| 478 |
switch (db_driver()) {
|
| 479 |
case 'mysql':
|
| 480 |
case 'mysqli':
|
| 481 |
$result = db_query('SHOW TABLES')->fetchCol();
|
| 482 |
break;
|
| 483 |
|
| 484 |
case 'pgsql':
|
| 485 |
$result = db_query('SELECT table_name FROM information_schema.tables WHERE table_schema = :schema', array(':schema' => 'public'))->fetchCol();
|
| 486 |
break;
|
| 487 |
}
|
| 488 |
|
| 489 |
foreach ($result as $table) {
|
| 490 |
if (is_array($db_prefix)) {
|
| 491 |
// Check if table name matches a configured prefix.
|
| 492 |
if (preg_match($rx, $table, $matches)) {
|
| 493 |
$table_prefix = $matches[0];
|
| 494 |
$plain_table = substr($table, strlen($table_prefix));
|
| 495 |
if ($db_prefix[$plain_table] == $table_prefix || $db_prefix['default'] == $table_prefix) {
|
| 496 |
$tables[] = $table;
|
| 497 |
}
|
| 498 |
}
|
| 499 |
}
|
| 500 |
else if ($db_prefix != '') {
|
| 501 |
if (preg_match($rx, $table)) {
|
| 502 |
$tables[] = $table;
|
| 503 |
}
|
| 504 |
}
|
| 505 |
else {
|
| 506 |
$tables[] = $table;
|
| 507 |
}
|
| 508 |
}
|
| 509 |
|
| 510 |
return $tables;
|
| 511 |
}
|
| 512 |
|
| 513 |
/**
|
| 514 |
* Retrieve a pipe delimited string of autocomplete suggestions for existing
|
| 515 |
* snapshot names.
|
| 516 |
*/
|
| 517 |
function demo_autocomplete($string = '') {
|
| 518 |
$matches = array();
|
| 519 |
if ($string && $fileconfig = demo_get_fileconfig()) {
|
| 520 |
$string = preg_quote($string);
|
| 521 |
$files = file_scan_directory($fileconfig['dumppath'], '/' . $string . '.*\.info$/');
|
| 522 |
foreach ($files as $file) {
|
| 523 |
$matches[$file->name] = check_plain($file->name);
|
| 524 |
}
|
| 525 |
}
|
| 526 |
drupal_json_output($matches);
|
| 527 |
}
|
| 528 |
|
| 529 |
/**
|
| 530 |
* Transfer (download) a snapshot file.
|
| 531 |
*
|
| 532 |
* @param $filename
|
| 533 |
* The snapshot filename to transfer.
|
| 534 |
* @param $type
|
| 535 |
* The file type, i.e. extension to transfer.
|
| 536 |
*
|
| 537 |
* @todo Allow to download an bundled archive of snapshot files.
|
| 538 |
*/
|
| 539 |
function demo_download($filename, $type) {
|
| 540 |
$fileconfig = demo_get_fileconfig($filename);
|
| 541 |
if (!isset($fileconfig[$type . 'file']) || !file_exists($fileconfig[$type . 'file'])) {
|
| 542 |
return MENU_NOT_FOUND;
|
| 543 |
}
|
| 544 |
// Force the client to re-download and trigger a file save download.
|
| 545 |
$headers = array(
|
| 546 |
'Cache-Control: private',
|
| 547 |
'Content-Type: application/octet-stream',
|
| 548 |
'Content-Length: ' . filesize($fileconfig[$type . 'file']),
|
| 549 |
'Content-Disposition: attachment, filename=' . $fileconfig[$type],
|
| 550 |
);
|
| 551 |
file_transfer($fileconfig[$type . 'file'], $headers);
|
| 552 |
}
|
| 553 |
|
| 554 |
/**
|
| 555 |
* Sets a specific snapshot as default for cron runs or the site reset block.
|
| 556 |
*
|
| 557 |
* @param $filename
|
| 558 |
* The filename of the snapshot.
|
| 559 |
*/
|
| 560 |
function demo_set_default($filename) {
|
| 561 |
variable_set('demo_dump_cron', $filename);
|
| 562 |
drupal_set_message(t('Snapshot %title will be used for upcoming cron runs.', array('%title' => $filename)));
|
| 563 |
}
|
| 564 |
|
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