import_backup.php 8.6 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Import a backup.
  5. *
  6. * @author Bart Mollet <bart.mollet@hogent.be>
  7. * @package chamilo.backup
  8. */
  9. /**
  10. * Code
  11. */
  12. /* INIT SECTION */
  13. // Language files that need to be included
  14. $language_file = array('exercice', 'coursebackup', 'admin');
  15. // Including the global initialization file
  16. require '../inc/global.inc.php';
  17. $current_course_tool = TOOL_COURSE_MAINTENANCE;
  18. api_protect_course_script(true);
  19. // Check access rights (only teachers are allowed here)
  20. if (!api_is_allowed_to_edit()) {
  21. api_not_allowed(true);
  22. }
  23. // Remove memory and time limits as much as possible as this might be a long process...
  24. if (function_exists('ini_set')) {
  25. api_set_memory_limit('256M');
  26. ini_set('max_execution_time', 1800);
  27. }
  28. // Section for the tabs
  29. $this_section = SECTION_COURSES;
  30. // Breadcrumbs
  31. $interbreadcrumb[] = array('url' => '../course_info/maintenance.php', 'name' => get_lang('Maintenance'));
  32. // Displaying the header
  33. $nameTools = get_lang('ImportBackup');
  34. Display::display_header($nameTools);
  35. // Include additional libraries
  36. require_once 'classes/CourseBuilder.class.php';
  37. require_once 'classes/CourseArchiver.class.php';
  38. require_once 'classes/CourseRestorer.class.php';
  39. require_once 'classes/CourseSelectForm.class.php';
  40. // Display the tool title
  41. echo Display::page_header($nameTools);
  42. /* MAIN CODE */
  43. if ((isset($_POST['action']) && $_POST['action'] == 'course_select_form') || (isset($_POST['import_option']) && $_POST['import_option'] == 'full_backup')) {
  44. $error = false;
  45. if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
  46. // Partial backup here we recover the documents posted
  47. $course = CourseSelectForm::get_posted_course();
  48. } else {
  49. if ($_POST['backup_type'] == 'server') {
  50. $filename = $_POST['backup_server'];
  51. $delete_file = false;
  52. } else {
  53. if ($_FILES['backup']['error'] == 0) {
  54. $filename = CourseArchiver::import_uploaded_file($_FILES['backup']['tmp_name']);
  55. if ($filename === false) {
  56. $error = true;
  57. } else {
  58. $delete_file = true;
  59. }
  60. } else {
  61. $error = true;
  62. }
  63. }
  64. if (!$error) {
  65. // Full backup
  66. $course = CourseArchiver::read_course($filename, $delete_file);
  67. }
  68. }
  69. if (!$error && $course->has_resources()) {
  70. $cr = new CourseRestorer($course);
  71. $cr->set_file_option($_POST['same_file_name_option']);
  72. $cr->restore();
  73. Display::display_normal_message(get_lang('ImportFinished'));
  74. echo '<a class="btn" href="'.api_get_path(WEB_COURSE_PATH).api_get_course_path().'/index.php">'.get_lang(
  75. 'CourseHomepage'
  76. ).'</a>';
  77. } else {
  78. if (!$error) {
  79. Display::display_warning_message(get_lang('NoResourcesInBackupFile'));
  80. echo '<a class="btn" href="import_backup.php?'.api_get_cidreq().'">'.get_lang('TryAgain').'</a>';
  81. } elseif ($filename === false) {
  82. Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'));
  83. echo '<a class="btn" href="import_backup.php?'.api_get_cidreq().'">'.get_lang('TryAgain').'</a>';
  84. } else {
  85. if ($filename == '') {
  86. Display::display_error_message(get_lang('SelectBackupFile'));
  87. echo '<a class="btn" href="import_backup.php?'.api_get_cidreq().'">'.get_lang('TryAgain').'</a>';
  88. } else {
  89. Display::display_error_message(get_lang('UploadError'));
  90. echo '<a class="btn" href="import_backup.php?'.api_get_cidreq().'">'.get_lang('TryAgain').'</a>';
  91. }
  92. }
  93. }
  94. CourseArchiver::clean_backup_dir();
  95. } elseif (isset($_POST['import_option']) && $_POST['import_option'] == 'select_items') {
  96. if ($_POST['backup_type'] == 'server') {
  97. $filename = $_POST['backup_server'];
  98. $delete_file = false;
  99. } else {
  100. $filename = CourseArchiver::import_uploaded_file($_FILES['backup']['tmp_name']);
  101. $delete_file = true;
  102. }
  103. $course = CourseArchiver::read_course($filename, $delete_file);
  104. if ($course->has_resources() && ($filename !== false)) {
  105. CourseSelectForm::display_form($course, array('same_file_name_option' => $_POST['same_file_name_option']));
  106. } elseif ($filename === false) {
  107. Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'));
  108. echo '<a class="btn" href="import_backup.php?'.api_get_cidreq().'">'.get_lang('TryAgain').'</a>';
  109. } else {
  110. Display::display_warning_message(get_lang('NoResourcesInBackupFile'));
  111. echo '<a class="btn" href="import_backup.php?'.api_get_cidreq().'">'.get_lang('TryAgain').'</a>';
  112. }
  113. } else {
  114. $user = api_get_user_info();
  115. $backups = CourseArchiver::get_available_backups($is_platformAdmin ? null : $user['user_id']);
  116. $backups_available = count($backups) > 0;
  117. $form = new FormValidator('import_backup_form', 'post', 'import_backup.php', '', 'multipart/form-data');
  118. $form->addElement('header', get_lang('SelectBackupFile'));
  119. $renderer = $form->defaultRenderer();
  120. $renderer->setElementTemplate('<div>{element}</div> ');
  121. $form->addElement('hidden', 'action', 'restore_backup');
  122. $form->addElement(
  123. 'radio',
  124. 'backup_type',
  125. '',
  126. get_lang('LocalFile'),
  127. 'local',
  128. 'id="bt_local" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=true;document.import_backup_form.backup.disabled=false;"'
  129. );
  130. $form->addElement('file', 'backup', '', 'style="margin-left: 50px;"');
  131. $form->addElement('html', '<br />');
  132. if ($backups_available) {
  133. $form->addElement(
  134. 'radio',
  135. 'backup_type',
  136. '',
  137. get_lang('ServerFile'),
  138. 'server',
  139. 'id="bt_server" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=false;document.import_backup_form.backup.disabled=true;"'
  140. );
  141. $options['null'] = '-';
  142. foreach ($backups as $index => $backup) {
  143. $options[$backup['file']] = $backup['course_code'].' ('.$backup['date'].')';
  144. }
  145. $form->addElement('select', 'backup_server', '', $options, 'style="margin-left: 50px;"');
  146. $form->addElement(
  147. 'html',
  148. '<script type="text/javascript">document.import_backup_form.backup_server.disabled=true;</script>'
  149. );
  150. } else {
  151. $form->addElement('radio', '', '', '<i>'.get_lang('NoBackupsAvailable').'</i>', '', 'disabled="true"');
  152. }
  153. $form->addElement('html', '<br /><br />');
  154. $form->addElement(
  155. 'radio',
  156. 'import_option',
  157. '',
  158. get_lang('ImportFullBackup'),
  159. 'full_backup',
  160. 'id="import_option_1" class="checkbox"'
  161. );
  162. $form->addElement(
  163. 'radio',
  164. 'import_option',
  165. '',
  166. get_lang('LetMeSelectItems'),
  167. 'select_items',
  168. 'id="import_option_2" class="checkbox"'
  169. );
  170. $form->addElement('html', '<br /><br />');
  171. $form->addElement('html', get_lang('SameFilename'));
  172. $form->addElement('html', '<br /><br />');
  173. $form->addElement(
  174. 'radio',
  175. 'same_file_name_option',
  176. '',
  177. get_lang('SameFilenameSkip'),
  178. FILE_SKIP,
  179. 'id="same_file_name_option_1" class="checkbox"'
  180. );
  181. $form->addElement(
  182. 'radio',
  183. 'same_file_name_option',
  184. '',
  185. get_lang('SameFilenameRename'),
  186. FILE_RENAME,
  187. 'id="same_file_name_option_2" class="checkbox"'
  188. );
  189. $form->addElement(
  190. 'radio',
  191. 'same_file_name_option',
  192. '',
  193. get_lang('SameFilenameOverwrite'),
  194. FILE_OVERWRITE,
  195. 'id="same_file_name_option_3" class="checkbox"'
  196. );
  197. $form->addElement('html', '<br />');
  198. $form->addElement('style_submit_button', null, get_lang('ImportBackup'), 'class="save"');
  199. $values['backup_type'] = 'local';
  200. $values['import_option'] = 'full_backup';
  201. $values['same_file_name_option'] = FILE_OVERWRITE;
  202. $form->setDefaults($values);
  203. $form->add_progress_bar();
  204. // When progress bar appears we have to hide the title "Select backup file".
  205. $form->updateAttributes(
  206. array(
  207. 'onsubmit' => str_replace(
  208. 'javascript: ',
  209. 'javascript: page_title = getElementById(\'page_title\'); if (page_title) { setTimeout(\'page_title.style.display = \\\'none\\\';\', 2000); } ',
  210. $form->getAttribute('onsubmit')
  211. )
  212. )
  213. );
  214. $form->display();
  215. }
  216. /* FOOTER */
  217. Display::display_footer();