index.php 21 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461
  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Index page of the admin tools
  5. * @package chamilo.admin
  6. */
  7. /**
  8. * Code
  9. */
  10. // Language files that need to be included.
  11. $language_file = array('admin', 'tracking','coursebackup');
  12. // Resetting the course id.
  13. $cidReset = true;
  14. // Including some necessary chamilo files.
  15. require_once '../inc/global.inc.php';
  16. // Setting the section (for the tabs).
  17. $this_section = SECTION_PLATFORM_ADMIN;
  18. // Access restrictions.
  19. api_protect_admin_script(true);
  20. $nameTools = get_lang('PlatformAdmin');
  21. // Displaying the header
  22. $message = '';
  23. if (api_is_platform_admin()) {
  24. if (is_dir(api_get_path(SYS_CODE_PATH).'install/') && is_readable(api_get_path(SYS_CODE_PATH).'install/index.php')) {
  25. $message = Display::return_message(get_lang('InstallDirAccessibleSecurityThreat'),'warning');
  26. }
  27. if (is_dir(api_get_path(SYS_ARCHIVE_PATH)) && !is_writable(api_get_path(SYS_ARCHIVE_PATH))) {
  28. $message = Display::return_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'),'warning');
  29. }
  30. /* ACTION HANDLING */
  31. if (!empty($_POST['Register'])) {
  32. register_site();
  33. $message = Display :: return_message(get_lang('VersionCheckEnabled'),'confirmation');
  34. }
  35. $keyword_url = Security::remove_XSS((empty($_GET['keyword']) ? '' : $_GET['keyword']));
  36. }
  37. if (isset($_GET['msg']) && isset($_GET['type'])) {
  38. if (in_array($_GET['msg'], array('ArchiveDirCleanupSucceeded', 'ArchiveDirCleanupFailed')))
  39. switch($_GET['type']) {
  40. case 'error':
  41. $message = Display::return_message(get_lang($_GET['msg']), 'error');
  42. break;
  43. case 'confirmation':
  44. $message = Display::return_message(get_lang($_GET['msg']), 'confirm');
  45. }
  46. }
  47. $blocks = array();
  48. /* Users */
  49. $blocks['users']['icon'] = Display::return_icon('members.gif', get_lang('Users'), array(), ICON_SIZE_SMALL, false);
  50. $blocks['users']['label'] = api_ucfirst(get_lang('Users'));
  51. if (api_is_platform_admin()) {
  52. $search_form = ' <form method="get" class="form-search" action="user_list.php">
  53. <input class="span3" type="text" name="keyword" value="">
  54. <button class="btn" type="submit">'.get_lang('Search').'</button>
  55. </form>';
  56. $blocks['users']['search_form'] = $search_form;
  57. $items = array(
  58. array('url'=>'user_list.php', 'label' => get_lang('UserList')),
  59. array('url'=>'user_add.php', 'label' => get_lang('AddUsers')),
  60. array('url'=>'user_export.php', 'label' => get_lang('ExportUserListXMLCSV')),
  61. array('url'=>'user_import.php', 'label' => get_lang('ImportUserListXMLCSV')),
  62. );
  63. if (api_get_setting('allow_social_tool') == 'true') {
  64. $items[] = array('url'=>'group_add.php', 'label' => get_lang('AddGroups'));
  65. $items[] = array('url'=>'group_list.php', 'label' => get_lang('GroupList'));
  66. }
  67. if (isset($extAuthSource) && isset($extAuthSource['ldap']) && count($extAuthSource['ldap']) > 0) {
  68. $items[] = array('url'=>'ldap_users_list.php', 'label' => get_lang('ImportLDAPUsersIntoPlatform'));
  69. }
  70. $items[] = array('url'=>'user_fields.php', 'label' => get_lang('ManageUserFields'));
  71. } else {
  72. $items = array(
  73. array('url'=>'user_list.php', 'label' => get_lang('UserList')),
  74. array('url'=>'user_add.php', 'label' => get_lang('AddUsers')),
  75. array('url'=>'user_import.php', 'label' => get_lang('ImportUserListXMLCSV')),
  76. );
  77. }
  78. $blocks['users']['items'] = $items;
  79. $blocks['users']['extra'] = null;
  80. if (api_is_platform_admin()) {
  81. /* Courses */
  82. $blocks['courses']['icon'] = Display::return_icon('course.gif', get_lang('Courses'), array(), ICON_SIZE_MEDIUM, false);
  83. $blocks['courses']['label'] = api_ucfirst(get_lang('Courses'));
  84. $search_form = ' <form method="get" class="form-search" action="course_list.php">
  85. <input class="span3" type="text" name="keyword" value="">
  86. <button class="btn" type="submit">'.get_lang('Search').'</button>
  87. </form>';
  88. $blocks['courses']['search_form'] = $search_form;
  89. $items = array();
  90. $items[] = array('url'=>'course_list.php', 'label' => get_lang('CourseList'));
  91. if (api_get_setting('course_validation') != 'true') {
  92. $items[] = array('url'=>'course_add.php', 'label' => get_lang('AddCourse'));
  93. } else {
  94. $items[] = array('url'=>'course_request_review.php', 'label' => get_lang('ReviewCourseRequests'));
  95. $items[] = array('url'=>'course_request_accepted.php', 'label' => get_lang('AcceptedCourseRequests'));
  96. $items[] = array('url'=>'course_request_rejected.php', 'label' => get_lang('RejectedCourseRequests'));
  97. }
  98. $items[] = array('url'=>'course_export.php', 'label' => get_lang('ExportCourses'));
  99. $items[] = array('url'=>'course_import.php', 'label' => get_lang('ImportCourses'));
  100. $items[] = array('url'=>'course_category.php', 'label' => get_lang('AdminCategories'));
  101. $items[] = array('url'=>'subscribe_user2course.php', 'label' => get_lang('AddUsersToACourse'));
  102. $items[] = array('url'=>'course_user_import.php', 'label' => get_lang('ImportUsersToACourse'));
  103. if (api_get_setting('gradebook_enable_grade_model') == 'true') {
  104. $items[] = array('url'=>'grade_models.php', 'label' => get_lang('GradeModel'));
  105. }
  106. if (isset($extAuthSource) && isset($extAuthSource['ldap']) && count($extAuthSource['ldap']) > 0) {
  107. $items[] = array('url'=>'ldap_import_students.php', 'label' => get_lang('ImportLDAPUsersIntoCourse'));
  108. }
  109. $blocks['courses']['items'] = $items;
  110. $blocks['courses']['extra'] = null;
  111. /* Platform */
  112. $blocks['platform']['icon'] = Display::return_icon('platform.png', get_lang('Platform'), array(), ICON_SIZE_MEDIUM, false);
  113. $blocks['platform']['label'] = api_ucfirst(get_lang('Platform'));
  114. $search_form = ' <form method="get" action="settings.php" class="form-search">
  115. <input class="span3" type="text" name="search_field" value="" >
  116. <input type="hidden" value="search_setting" name="category">
  117. <button class="btn" type="submit">'.get_lang('Search').'</button>
  118. </form>';
  119. $blocks['platform']['search_form'] = $search_form;
  120. $items = array();
  121. $items[] = array('url'=>'settings.php', 'label' => get_lang('PlatformConfigSettings'));
  122. $items[] = array('url'=>'settings.php?category=Plugins','label' => get_lang('Plugins'));
  123. $items[] = array('url'=>'settings.php?category=Regions','label' => get_lang('Regions'));
  124. $items[] = array('url'=>'system_announcements.php', 'label' => get_lang('SystemAnnouncements'));
  125. $items[] = array('url'=>api_get_path(WEB_CODE_PATH).'calendar/agenda_js.php?type=admin', 'label' => get_lang('GlobalAgenda'));
  126. $items[] = array('url'=>'configure_homepage.php', 'label' => get_lang('ConfigureHomePage'));
  127. $items[] = array('url'=>'configure_inscription.php', 'label' => get_lang('ConfigureInscription'));
  128. $items[] = array('url'=>'statistics/index.php', 'label' => get_lang('Statistics'));
  129. $items[] = array('url'=> api_get_path(WEB_CODE_PATH).'mySpace/company_reports.php', 'label' => get_lang('Reports'));
  130. /* Event settings */
  131. if (api_get_setting('activate_email_template') == 'true') {
  132. $items[] = array('url'=>'event_controller.php?action=listing', 'label' => get_lang('EventMessageManagement'));
  133. }
  134. if (!empty($_configuration['multiple_access_urls'])) {
  135. if (api_is_global_platform_admin()) {
  136. $items[] = array('url'=>'access_urls.php', 'label' => get_lang('ConfigureMultipleAccessURLs'));
  137. }
  138. }
  139. if (api_get_setting('allow_reservation') == 'true') {
  140. $items[] = array('url'=>'../reservation/m_category.php', 'label' => get_lang('BookingSystem'));
  141. }
  142. if (api_get_setting('allow_terms_conditions') == 'true') {
  143. $items[] = array('url'=>'legal_add.php', 'label' => get_lang('TermsAndConditions'));
  144. }
  145. $blocks['platform']['items'] = $items;
  146. $blocks['platform']['extra'] = null;
  147. }
  148. /* Sessions */
  149. $blocks['sessions']['icon'] = Display::return_icon('session.png', get_lang('Sessions'), array(), ICON_SIZE_SMALL, false);
  150. $blocks['sessions']['label'] = api_ucfirst(get_lang('Sessions'));
  151. $search_form = ' <form method="GET" class="form-search" action="'.api_get_path(WEB_CODE_PATH).'session/session_list.php">
  152. <input class="span3" type="text" name="keyword" value="">
  153. <button class="btn" type="submit">'.get_lang('Search').'</button>
  154. </form>';
  155. $blocks['sessions']['search_form'] = $search_form;
  156. $items = array();
  157. $items[] = array('url'=> api_get_path(WEB_CODE_PATH).'session/session_list.php', 'label' => get_lang('ListSession'));
  158. $items[] = array('url'=> api_get_path(WEB_CODE_PATH).'session/session_add.php', 'label' => get_lang('AddSession'));
  159. $items[] = array('url'=> 'session_category_list.php', 'label' => get_lang('ListSessionCategory'));
  160. $items[] = array('url'=> api_get_path(WEB_CODE_PATH).'session/session_import.php', 'label' => get_lang('ImportSessionListXMLCSV'));
  161. if (isset($extAuthSource) && isset($extAuthSource['ldap']) && count($extAuthSource['ldap']) > 0) {
  162. $items[] = array('url'=>'ldap_import_students_to_session.php', 'label' => get_lang('ImportLDAPUsersIntoSession'));
  163. }
  164. $items[] = array('url'=>api_get_path(WEB_CODE_PATH).'session/session_export.php', 'label' => get_lang('ExportSessionListXMLCSV'));
  165. $items[] = array('url'=>'../coursecopy/copy_course_session.php', 'label' => get_lang('CopyFromCourseInSessionToAnotherSession'));
  166. if (api_is_platform_admin()) {
  167. if (is_dir(api_get_path(SYS_TEST_PATH).'datafiller/')) { // option only visible in development mode. Enable through code if required
  168. $items[] = array('url'=>'user_move_stats.php', 'label' => get_lang('MoveUserStats'));
  169. }
  170. $items[] = array('url'=>'career_dashboard.php', 'label' => get_lang('CareersAndPromotions'));
  171. }
  172. $items[] = array('url'=>'usergroups.php', 'label' => get_lang('Classes'));
  173. $items[] = array('url'=>'session_fields.php', 'label' => get_lang('ManageSessionFields'));
  174. $blocks['sessions']['items'] = $items;
  175. $blocks['sessions']['extra'] = null;
  176. /* Settings */
  177. if (api_is_platform_admin()) {
  178. $blocks['settings']['icon'] = Display::return_icon('settings.png', get_lang('System'), array(), ICON_SIZE_SMALL, false);
  179. $blocks['settings']['label'] = api_ucfirst(get_lang('System'));
  180. $items = array();
  181. $items[] = array('url'=>'special_exports.php', 'label' => get_lang('SpecialExports'));
  182. if (!empty($_configuration['db_admin_path'])) {
  183. $items[] = array('url'=>$_configuration['db_admin_path'], 'label' => get_lang('AdminDatabases').' ('.get_lang('DBManagementOnlyForServerAdmin').') ');
  184. }
  185. $items[] = array('url'=>'system_status.php', 'label' => get_lang('SystemStatus'));
  186. if (is_dir(api_get_path(SYS_TEST_PATH).'datafiller/')) {
  187. $items[] = array('url'=>'filler.php', 'label' => get_lang('DataFiller'));
  188. }
  189. $items[] = array('url'=>'archive_cleanup.php', 'label' => get_lang('ArchiveDirCleanup'));
  190. $items[] = array('url'=>'system_management.php', 'label' => get_lang('SystemManagement'));
  191. $blocks['settings']['items'] = $items;
  192. $blocks['settings']['extra'] = null;
  193. $blocks['settings']['search_form'] = null;
  194. /* Extensions */
  195. /*
  196. $blocks['extensions']['icon'] = Display::return_icon('visio_meeting.gif', get_lang('ConfigureExtensions'), array(), ICON_SIZE_SMALL, false);
  197. $blocks['extensions']['label'] = api_ucfirst(get_lang('ConfigureExtensions'));
  198. $items = array();
  199. $items[] = array('url'=>'configure_extensions.php?display=visio', 'label' => get_lang('Visioconf'));
  200. $items[] = array('url'=>'configure_extensions.php?display=ppt2lp', 'label' => get_lang('Ppt2lp'));
  201. //$items[] = array('url'=>'configure_extensions.php?display=ephorus', 'label' => get_lang('EphorusPlagiarismPrevention'));
  202. $items[] = array('url'=>'configure_extensions.php?display=search', 'label' => get_lang('SearchEngine'));
  203. $items[] = array('url'=>'configure_extensions.php?display=serverstats', 'label' => get_lang('ServerStatistics'));
  204. $items[] = array('url'=>'configure_extensions.php?display=bandwidthstats', 'label' => get_lang('BandWidthStatistics'));
  205. $blocks['extensions']['items'] = $items;
  206. */
  207. //Skills
  208. if (api_get_setting('allow_skills_tool') == 'true') {
  209. $blocks['skills']['icon'] = Display::return_icon('logo.gif', get_lang('Skills'), array(), ICON_SIZE_SMALL, false);
  210. $blocks['skills']['label'] = get_lang('Skills');
  211. $items = array();
  212. //$items[] = array('url'=>'skills.php', 'label' => get_lang('SkillsTree'));
  213. $items[] = array('url'=>'skills_wheel.php', 'label' => get_lang('SkillsWheel'));
  214. $items[] = array('url'=>'skills_import.php', 'label' => get_lang('SkillsImport'));
  215. //$items[] = array('url'=>'skills_profile.php', 'label' => get_lang('SkillsProfile'));
  216. $items[] = array('url'=>api_get_path(WEB_CODE_PATH).'social/skills_ranking.php', 'label' => get_lang('SkillsRanking'));
  217. $items[] = array('url'=>'skills_gradebook.php', 'label' => get_lang('SkillsAndGradebooks'));
  218. $blocks['skills']['items'] = $items;
  219. $blocks['skills']['extra'] = null;
  220. $blocks['skills']['search_form'] = null;
  221. }
  222. /* Chamilo.org */
  223. $blocks['chamilo']['icon'] = Display::return_icon('logo.gif', 'Chamilo.org', array(), ICON_SIZE_SMALL, false);
  224. $blocks['chamilo']['label'] = 'Chamilo.org';
  225. $items = array();
  226. $items[] = array('url'=>'http://www.chamilo.org/', 'label' => get_lang('ChamiloHomepage'));
  227. $items[] = array('url'=>'http://www.chamilo.org/forum', 'label' => get_lang('ChamiloForum'));
  228. $items[] = array('url'=>'../../documentation/installation_guide.html', 'label' => get_lang('InstallationGuide'));
  229. $items[] = array('url'=>'../../documentation/changelog.html', 'label' => get_lang('ChangesInLastVersion'));
  230. $items[] = array('url'=>'../../documentation/credits.html', 'label' => get_lang('ContributorsList'));
  231. $items[] = array('url'=>'../../documentation/security.html', 'label' => get_lang('SecurityGuide'));
  232. $items[] = array('url'=>'../../documentation/optimization.html', 'label' => get_lang('OptimizationGuide'));
  233. $items[] = array('url'=>'http://www.chamilo.org/extensions', 'label' => get_lang('ChamiloExtensions'));
  234. $items[] = array('url'=>'http://www.chamilo.org/en/providers', 'label' => get_lang('ChamiloOfficialServicesProviders'));
  235. $blocks['chamilo']['items'] = $items;
  236. $blocks['chamilo']['extra'] = null;
  237. $blocks['chamilo']['search_form'] = null;
  238. // Try to display a maximum before we check the chamilo version and all that.
  239. //session_write_close(); //close session to avoid blocking concurrent access
  240. //flush(); //send data to client as much as allowed by the web server
  241. //ob_flush();
  242. //Version check
  243. $blocks['version_check']['icon'] = Display::return_icon('logo.gif', 'Chamilo.org', array(), ICON_SIZE_SMALL, false);
  244. $blocks['version_check']['label'] = get_lang('VersionCheck');
  245. $blocks['version_check']['extra'] = version_check();
  246. $blocks['version_check']['search_form'] = null;
  247. $blocks['version_check']['items'] = null;
  248. }
  249. $app['template']->assign('blocks', $blocks);
  250. //$app['template']->display('default/admin/settings_index.tpl');
  251. //$app['default_layout'] = $app['template_style'].'/admin/settings_index.tpl';
  252. $app['template']->display('default/admin/settings_index.tpl');
  253. /**
  254. * Displays either the text for the registration or the message that the installation is (not) up to date
  255. *
  256. * @return string html code
  257. * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
  258. * @version august 2006
  259. * @todo have a 6monthly re-registration
  260. */
  261. function version_check() {
  262. $tbl_settings = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
  263. $sql = 'SELECT selected_value FROM '.$tbl_settings.' WHERE variable="registered" ';
  264. $result = Database::query($sql);
  265. $row = Database::fetch_array($result, 'ASSOC');
  266. // The site has not been registered yet.
  267. $return = '';
  268. if ($row['selected_value'] == 'false') {
  269. $return .= get_lang('VersionCheckExplanation');
  270. $return .= '<form class="well" action="'.api_get_self().'" id="VersionCheck" name="VersionCheck" method="post">';
  271. $return .= '<label class="checkbox"><input type="checkbox" name="donotlistcampus" value="1" id="checkbox" />'.get_lang('HideCampusFromPublicPlatformsList');
  272. $return .= '</label><button type="submit" class="btn btn-primary" name="Register" value="'.get_lang('EnableVersionCheck').'" id="register" >'.get_lang('EnableVersionCheck').'</button>';
  273. $return .= '</form>';
  274. check_system_version();
  275. } else {
  276. // Site registered. Call anyway
  277. $return .= check_system_version();
  278. }
  279. return $return;
  280. }
  281. /**
  282. * This setting changes the registration status for the campus
  283. *
  284. * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
  285. * @version August 2006
  286. *
  287. * @todo the $_settings should be reloaded here. => write api function for this and use this in global.inc.php also.
  288. */
  289. function register_site() {
  290. $tbl_settings = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
  291. $sql = "UPDATE $tbl_settings SET selected_value='true' WHERE variable='registered'";
  292. $result = Database::query($sql);
  293. if ($_POST['donotlistcampus']) {
  294. $sql = "UPDATE $tbl_settings SET selected_value='true' WHERE variable='donotlistcampus'";
  295. $result = Database::query($sql);
  296. }
  297. // Reload the settings.
  298. }
  299. /**
  300. * Check if the current installation is up to date
  301. * The code is borrowed from phpBB and slighlty modified
  302. * @author The phpBB Group <support@phpbb.com> (the code)
  303. * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University (the modifications)
  304. * @author Yannick Warnier <ywarnier@beeznest.org> for the move to HTTP request
  305. * @copyright (C) 2001 The phpBB Group
  306. * @return language string with some layout (color)
  307. */
  308. function check_system_version() {
  309. global $_configuration;
  310. $system_version = trim($_configuration['system_version']); // the chamilo version of your installation
  311. if (ini_get('allow_url_fopen') == 1) {
  312. // The number of courses
  313. $number_of_courses = Statistics::count_courses();
  314. // The number of users
  315. $number_of_users = statistics::count_users();
  316. $number_of_active_users = statistics::count_users(null,null,null,true);
  317. $data = array(
  318. 'url' => api_get_path(WEB_PATH),
  319. 'campus' => api_get_setting('siteName'),
  320. 'contact' => api_get_setting('emailAdministrator'),
  321. 'version' => $system_version,
  322. 'numberofcourses' => $number_of_courses,
  323. 'numberofusers' => $number_of_users,
  324. 'numberofactiveusers' => $number_of_active_users,
  325. //The donotlistcampus setting recovery should be improved to make
  326. // it true by default - this does not affect numbers counting
  327. 'donotlistcampus' => api_get_setting('donotlistcampus'),
  328. 'organisation' => api_get_setting('Institution'),
  329. 'language' => api_get_setting('platformLanguage'),
  330. 'adminname' => api_get_setting('administratorName').' '.api_get_setting('administratorSurname'),
  331. );
  332. $res = _http_request('version.chamilo.org', 80, '/version.php', $data);
  333. if ($res !== false) {
  334. $version_info = $res;
  335. if ($system_version != $version_info) {
  336. $output = '<br /><span style="color:red">' . get_lang('YourVersionNotUpToDate') . '. '.get_lang('LatestVersionIs').' <b>Chamilo '.$version_info.'</b>. '.get_lang('YourVersionIs').' <b>Chamilo '.$system_version. '</b>. '.str_replace('http://www.chamilo.org', '<a href="http://www.chamilo.org">http://www.chamilo.org</a>', get_lang('PleaseVisitOurWebsite')).'</span>';
  337. } else {
  338. $output = '<br /><span style="color:green">'.get_lang('VersionUpToDate').': Chamilo '.$version_info.'</span>';
  339. }
  340. } else {
  341. $output = '<span style="color:red">' . get_lang('ImpossibleToContactVersionServerPleaseTryAgain') . '</span>';
  342. }
  343. } else {
  344. $output = '<span style="color:red">' . get_lang('AllowurlfopenIsSetToOff') . '</span>';
  345. }
  346. return $output;
  347. }
  348. /**
  349. * Function to make an HTTP request through fsockopen (specialised for GET)
  350. * Derived from Jeremy Saintot: http://www.php.net/manual/en/function.fsockopen.php#101872
  351. * @param string IP or hostname
  352. * @param int Target port
  353. * @param string URI (defaults to '/')
  354. * @param array GET data
  355. * @param float Timeout
  356. * @param bool Include HTTP Request headers?
  357. * @param bool Include HTTP Response headers?
  358. */
  359. function _http_request($ip, $port = 80, $uri = '/', $getdata = array(), $timeout = 1, $req_hdr = false, $res_hdr = false) {
  360. $verb = 'GET';
  361. $ret = '';
  362. $getdata_str = count($getdata) ? '?' : '';
  363. foreach ($getdata as $k => $v) {
  364. $getdata_str .= urlencode($k) .'='. urlencode($v) . '&';
  365. }
  366. $crlf = "\r\n";
  367. $req = $verb .' '. $uri . $getdata_str .' HTTP/1.1' . $crlf;
  368. $req .= 'Host: '. $ip . $crlf;
  369. $req .= 'User-Agent: Mozilla/5.0 Firefox/3.6.12' . $crlf;
  370. $req .= 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' . $crlf;
  371. $req .= 'Accept-Language: en-us,en;q=0.5' . $crlf;
  372. $req .= 'Accept-Encoding: deflate' . $crlf;
  373. $req .= 'Accept-Charset: utf-8;q=0.7,*;q=0.7' . $crlf;
  374. $req .= $crlf;
  375. if ($req_hdr) { $ret .= $req; }
  376. if (($fp = @fsockopen($ip, $port, $errno, $errstr, $timeout)) == false) {
  377. return "Error $errno: $errstr\n";
  378. }
  379. stream_set_timeout($fp, $timeout);
  380. $r = @fwrite($fp, $req);
  381. $line = @fread($fp,512);
  382. $ret .= $line;
  383. fclose($fp);
  384. if (!$res_hdr) {
  385. $ret = substr($ret, strpos($ret, "\r\n\r\n") + 4);
  386. }
  387. return trim($ret);
  388. }