import_backup.php 9.4 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. require_once '../inc/global.inc.php';
  10. $current_course_tool = TOOL_COURSE_MAINTENANCE;
  11. api_protect_course_script(true);
  12. // Check access rights (only teachers are allowed here)
  13. if (!api_is_allowed_to_edit()) {
  14. api_not_allowed(true);
  15. }
  16. // Remove memory and time limits as much as possible as this might be a long process...
  17. if (function_exists('ini_set')) {
  18. api_set_memory_limit('256M');
  19. ini_set('max_execution_time', 1800);
  20. }
  21. // Section for the tabs
  22. $this_section = SECTION_COURSES;
  23. // Breadcrumbs
  24. $interbreadcrumb[] = array(
  25. 'url' => '../course_info/maintenance.php',
  26. 'name' => get_lang('Maintenance')
  27. );
  28. // Displaying the header
  29. $nameTools = get_lang('ImportBackup');
  30. Display::display_header($nameTools);
  31. // Include additional libraries
  32. require_once 'classes/CourseBuilder.class.php';
  33. require_once 'classes/CourseArchiver.class.php';
  34. require_once 'classes/CourseRestorer.class.php';
  35. require_once 'classes/CourseSelectForm.class.php';
  36. // Display the tool title
  37. echo Display::page_header($nameTools);
  38. /* MAIN CODE */
  39. if (Security::check_token('post') && (
  40. (
  41. isset($_POST['action']) &&
  42. $_POST['action'] == 'course_select_form'
  43. ) || (
  44. isset($_POST['import_option']) &&
  45. $_POST['import_option'] == 'full_backup'
  46. )
  47. )
  48. ) {
  49. // Clear token
  50. Security::clear_token();
  51. $error = false;
  52. if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
  53. // Partial backup here we recover the documents posted
  54. $course = CourseSelectForm::get_posted_course();
  55. } else {
  56. if ($_POST['backup_type'] == 'server') {
  57. $filename = $_POST['backup_server'];
  58. $delete_file = false;
  59. } else {
  60. if ($_FILES['backup']['error'] == 0) {
  61. $filename = CourseArchiver::import_uploaded_file(
  62. $_FILES['backup']['tmp_name']
  63. );
  64. if ($filename === false) {
  65. $error = true;
  66. } else {
  67. $delete_file = true;
  68. }
  69. } else {
  70. $error = true;
  71. }
  72. }
  73. if (!$error) {
  74. // Full backup
  75. $course = CourseArchiver::read_course($filename, $delete_file);
  76. }
  77. }
  78. if (!$error && $course->has_resources()) {
  79. $cr = new CourseRestorer($course);
  80. $cr->set_file_option($_POST['same_file_name_option']);
  81. $cr->restore();
  82. Display::display_normal_message(get_lang('ImportFinished'));
  83. echo '<a class="btn btn-default" href="' . api_get_path(WEB_COURSE_PATH) . api_get_course_path() . '/index.php">' . get_lang('CourseHomepage') . '</a>';
  84. } else {
  85. if (!$error) {
  86. Display::display_warning_message(get_lang('NoResourcesInBackupFile'));
  87. echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
  88. } elseif ($filename === false) {
  89. Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'));
  90. echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
  91. } else {
  92. if ($filename == '') {
  93. Display::display_error_message(get_lang('SelectBackupFile'));
  94. echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
  95. } else {
  96. Display::display_error_message(get_lang('UploadError'));
  97. echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
  98. }
  99. }
  100. }
  101. CourseArchiver::clean_backup_dir();
  102. } elseif (Security::check_token('post') && (
  103. isset($_POST['import_option']) &&
  104. $_POST['import_option'] == 'select_items'
  105. )
  106. ) {
  107. // Clear token
  108. Security::clear_token();
  109. if ($_POST['backup_type'] == 'server') {
  110. $filename = $_POST['backup_server'];
  111. $delete_file = false;
  112. } else {
  113. $filename = CourseArchiver::import_uploaded_file($_FILES['backup']['tmp_name']);
  114. $delete_file = true;
  115. }
  116. $course = CourseArchiver::read_course($filename, $delete_file);
  117. if ($course->has_resources() && ($filename !== false)) {
  118. $hiddenFields['same_file_name_option'] = $_POST['same_file_name_option'];
  119. // Add token to Course select form
  120. $hiddenFields['sec_token'] = Security::get_token();
  121. CourseSelectForm::display_form($course, $hiddenFields);
  122. } elseif ($filename === false) {
  123. Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'));
  124. echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
  125. } else {
  126. Display::display_warning_message(get_lang('NoResourcesInBackupFile'));
  127. echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
  128. }
  129. } else {
  130. $user = api_get_user_info();
  131. $backups = CourseArchiver::get_available_backups(
  132. $is_platformAdmin ? null : $user['user_id']
  133. );
  134. $backups_available = count($backups) > 0;
  135. $form = new FormValidator(
  136. 'import_backup_form',
  137. 'post',
  138. api_get_path(WEB_CODE_PATH) . 'coursecopy/import_backup.php?' . api_get_cidreq(),
  139. '',
  140. array('enctype' => 'multipart/form-data')
  141. );
  142. $form->addElement('header', get_lang('SelectBackupFile'));
  143. $renderer = $form->defaultRenderer();
  144. $renderer->setCustomElementTemplate('<div>{element}</div> ');
  145. $form->addElement('hidden', 'action', 'restore_backup');
  146. $form->addElement(
  147. 'radio',
  148. 'backup_type',
  149. '',
  150. get_lang('LocalFile'),
  151. 'local',
  152. 'id="bt_local" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=true;document.import_backup_form.backup.disabled=false;"'
  153. );
  154. $form->addElement('file', 'backup', '', 'style="margin-left: 50px;"');
  155. $form->addElement('html', '<br />');
  156. if ($backups_available) {
  157. $form->addElement(
  158. 'radio',
  159. 'backup_type',
  160. '',
  161. get_lang('ServerFile'),
  162. 'server',
  163. 'id="bt_server" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=false;document.import_backup_form.backup.disabled=true;"'
  164. );
  165. $options['null'] = '-';
  166. foreach ($backups as $index => $backup) {
  167. $options[$backup['file']] = $backup['course_code'] . ' (' . $backup['date'] . ')';
  168. }
  169. $form->addElement(
  170. 'select',
  171. 'backup_server',
  172. '',
  173. $options,
  174. 'style="margin-left: 50px;"'
  175. );
  176. $form->addElement(
  177. 'html',
  178. '<script type="text/javascript">document.import_backup_form.backup_server.disabled=true;</script>'
  179. );
  180. } else {
  181. $form->addElement(
  182. 'radio',
  183. '',
  184. '',
  185. '<i>' . get_lang('NoBackupsAvailable') . '</i>',
  186. '',
  187. 'disabled="true"'
  188. );
  189. }
  190. $form->addElement('html', '<br /><br />');
  191. $form->addElement(
  192. 'radio',
  193. 'import_option',
  194. '',
  195. get_lang('ImportFullBackup'),
  196. 'full_backup',
  197. 'id="import_option_1" class="checkbox"'
  198. );
  199. $form->addElement(
  200. 'radio',
  201. 'import_option',
  202. '',
  203. get_lang('LetMeSelectItems'),
  204. 'select_items',
  205. 'id="import_option_2" class="checkbox"'
  206. );
  207. $form->addElement('html', '<br /><br />');
  208. $form->addElement('html', get_lang('SameFilename'));
  209. $form->addElement('html', '<br /><br />');
  210. $form->addElement(
  211. 'radio',
  212. 'same_file_name_option',
  213. '',
  214. get_lang('SameFilenameSkip'),
  215. FILE_SKIP,
  216. 'id="same_file_name_option_1" class="checkbox"'
  217. );
  218. $form->addElement(
  219. 'radio',
  220. 'same_file_name_option',
  221. '',
  222. get_lang('SameFilenameRename'),
  223. FILE_RENAME,
  224. 'id="same_file_name_option_2" class="checkbox"'
  225. );
  226. $form->addElement(
  227. 'radio',
  228. 'same_file_name_option',
  229. '',
  230. get_lang('SameFilenameOverwrite'),
  231. FILE_OVERWRITE,
  232. 'id="same_file_name_option_3" class="checkbox"'
  233. );
  234. $form->addElement('html', '<br />');
  235. $form->addButtonImport(get_lang('ImportBackup'));
  236. $values['backup_type'] = 'local';
  237. $values['import_option'] = 'full_backup';
  238. $values['same_file_name_option'] = FILE_OVERWRITE;
  239. $form->setDefaults($values);
  240. $form->add_progress_bar();
  241. // When progress bar appears we have to hide the title "Select backup file".
  242. $form->updateAttributes(array(
  243. 'onsubmit' => str_replace(
  244. 'javascript: ',
  245. 'javascript: page_title = getElementById(\'page_title\'); if (page_title) { setTimeout(\'page_title.style.display = \\\'none\\\';\', 2000); } ',
  246. $form->getAttribute('onsubmit')
  247. )
  248. ));
  249. // Add Security token
  250. $token = Security::get_token();
  251. $form->addElement('hidden', 'sec_token');
  252. $form->setConstants(array('sec_token' => $token));
  253. $form->display();
  254. }
  255. Display::display_footer();