Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402] [Versions 401 and 402] [Versions 402 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * Class for Moodle Mobile tools. 19 * 20 * @package tool_mobile 21 * @copyright 2016 Juan Leyva 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 * @since Moodle 3.1 24 */ 25 namespace tool_mobile; 26 27 use core_component; 28 use core_plugin_manager; 29 use context_system; 30 use moodle_url; 31 use moodle_exception; 32 use lang_string; 33 use curl; 34 use core_qrcode; 35 use stdClass; 36 37 /** 38 * API exposed by tool_mobile, to be used mostly by external functions and the plugin settings. 39 * 40 * @copyright 2016 Juan Leyva 41 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 42 * @since Moodle 3.1 43 */ 44 class api { 45 46 /** @var int to identify the login via app. */ 47 const LOGIN_VIA_APP = 1; 48 /** @var int to identify the login via browser. */ 49 const LOGIN_VIA_BROWSER = 2; 50 /** @var int to identify the login via an embedded browser. */ 51 const LOGIN_VIA_EMBEDDED_BROWSER = 3; 52 /** @var int seconds an auto-login key will expire. */ 53 const LOGIN_KEY_TTL = 60; 54 /** @var string URL of the Moodle Apps Portal */ 55 const MOODLE_APPS_PORTAL_URL = 'https://apps.moodle.com'; 56 /** @var int default value in seconds a QR login key will expire. */ 57 const LOGIN_QR_KEY_TTL = 600; 58 /** @var int QR code disabled value */ 59 const QR_CODE_DISABLED = 0; 60 /** @var int QR code type URL value */ 61 const QR_CODE_URL = 1; 62 /** @var int QR code type login value */ 63 const QR_CODE_LOGIN = 2; 64 /** @var string Default Android app id */ 65 const DEFAULT_ANDROID_APP_ID = 'com.moodle.moodlemobile'; 66 /** @var string Default iOS app id */ 67 const DEFAULT_IOS_APP_ID = '633359593'; 68 69 /** 70 * Returns a list of Moodle plugins supporting the mobile app. 71 * 72 * @return array an array of objects containing the plugin information 73 */ 74 public static function get_plugins_supporting_mobile() { 75 global $CFG; 76 require_once($CFG->libdir . '/adminlib.php'); 77 78 $cachekey = 'mobileplugins'; 79 if (!isloggedin()) { 80 $cachekey = 'authmobileplugins'; // Use a different cache for not logged users. 81 } 82 83 // Check if we can return this from cache. 84 $cache = \cache::make('tool_mobile', 'plugininfo'); 85 $pluginsinfo = $cache->get($cachekey); 86 if ($pluginsinfo !== false) { 87 return (array)$pluginsinfo; 88 } 89 90 $pluginsinfo = []; 91 // For not logged users return only auth plugins. 92 // This is to avoid anyone (not being a registered user) to obtain and download all the site remote add-ons. 93 if (!isloggedin()) { 94 $plugintypes = array('auth' => $CFG->dirroot.'/auth'); 95 } else { 96 $plugintypes = core_component::get_plugin_types(); 97 } 98 99 foreach ($plugintypes as $plugintype => $unused) { 100 // We need to include files here. 101 $pluginswithfile = core_component::get_plugin_list_with_file($plugintype, 'db' . DIRECTORY_SEPARATOR . 'mobile.php'); 102 foreach ($pluginswithfile as $plugin => $notused) { 103 $path = core_component::get_plugin_directory($plugintype, $plugin); 104 $component = $plugintype . '_' . $plugin; 105 $version = get_component_version($component); 106 107 require("$path/db/mobile.php"); 108 foreach ($addons as $addonname => $addoninfo) { 109 110 // Add handlers (for site add-ons). 111 $handlers = !empty($addoninfo['handlers']) ? $addoninfo['handlers'] : array(); 112 $handlers = json_encode($handlers); // JSON formatted, since it is a complex structure that may vary over time. 113 114 // Now language strings used by the app. 115 $lang = array(); 116 if (!empty($addoninfo['lang'])) { 117 $stringmanager = get_string_manager(); 118 $langs = $stringmanager->get_list_of_translations(true); 119 foreach ($langs as $langid => $langname) { 120 foreach ($addoninfo['lang'] as $stringinfo) { 121 $lang[$langid][$stringinfo[0]] = $stringmanager->get_string( 122 $stringinfo[0], 123 $stringinfo[1] ?? '', 124 null, 125 $langid, 126 ); 127 } 128 } 129 } 130 $lang = json_encode($lang); 131 132 $plugininfo = array( 133 'component' => $component, 134 'version' => $version, 135 'addon' => $addonname, 136 'dependencies' => !empty($addoninfo['dependencies']) ? $addoninfo['dependencies'] : array(), 137 'fileurl' => '', 138 'filehash' => '', 139 'filesize' => 0, 140 'handlers' => $handlers, 141 'lang' => $lang, 142 ); 143 144 // All the mobile packages must be under the plugin mobile directory. 145 $package = $path . '/mobile/' . $addonname . '.zip'; 146 if (file_exists($package)) { 147 $plugininfo['fileurl'] = $CFG->wwwroot . '' . str_replace($CFG->dirroot, '', $package); 148 $plugininfo['filehash'] = sha1_file($package); 149 $plugininfo['filesize'] = filesize($package); 150 } 151 $pluginsinfo[] = $plugininfo; 152 } 153 } 154 } 155 156 $cache->set($cachekey, $pluginsinfo); 157 158 return $pluginsinfo; 159 } 160 161 /** 162 * Returns a list of the site public settings, those not requiring authentication. 163 * 164 * @return array with the settings and warnings 165 */ 166 public static function get_public_config() { 167 global $CFG, $SITE, $PAGE, $OUTPUT; 168 require_once($CFG->libdir . '/authlib.php'); 169 170 $context = context_system::instance(); 171 // We need this to make work the format text functions. 172 $PAGE->set_context($context); 173 174 // Check if contacting site support is available to all visitors. 175 $sitesupportavailable = (isset($CFG->supportavailability) && $CFG->supportavailability == CONTACT_SUPPORT_ANYONE); 176 177 [$authinstructions] = \core_external\util::format_text($CFG->auth_instructions, FORMAT_MOODLE, $context->id); 178 [$maintenancemessage] = \core_external\util::format_text($CFG->maintenance_message, FORMAT_MOODLE, $context->id); 179 $settings = array( 180 'wwwroot' => $CFG->wwwroot, 181 'httpswwwroot' => $CFG->wwwroot, 182 'sitename' => \core_external\util::format_string($SITE->fullname, $context->id, true), 183 'guestlogin' => $CFG->guestloginbutton, 184 'rememberusername' => $CFG->rememberusername, 185 'authloginviaemail' => $CFG->authloginviaemail, 186 'registerauth' => $CFG->registerauth, 187 'forgottenpasswordurl' => clean_param($CFG->forgottenpasswordurl, PARAM_URL), // We may expect a mailto: here. 188 'authinstructions' => $authinstructions, 189 'authnoneenabled' => (int) is_enabled_auth('none'), 190 'enablewebservices' => $CFG->enablewebservices, 191 'enablemobilewebservice' => $CFG->enablemobilewebservice, 192 'maintenanceenabled' => $CFG->maintenance_enabled, 193 'maintenancemessage' => $maintenancemessage, 194 'mobilecssurl' => !empty($CFG->mobilecssurl) ? $CFG->mobilecssurl : '', 195 'tool_mobile_disabledfeatures' => get_config('tool_mobile', 'disabledfeatures'), 196 'country' => clean_param($CFG->country, PARAM_NOTAGS), 197 'agedigitalconsentverification' => \core_auth\digital_consent::is_age_digital_consent_verification_enabled(), 198 'autolang' => $CFG->autolang, 199 'lang' => clean_param($CFG->lang, PARAM_LANG), // Avoid breaking WS because of incorrect package langs. 200 'langmenu' => $CFG->langmenu, 201 'langlist' => $CFG->langlist, 202 'locale' => $CFG->locale, 203 'tool_mobile_minimumversion' => get_config('tool_mobile', 'minimumversion'), 204 'tool_mobile_iosappid' => get_config('tool_mobile', 'iosappid'), 205 'tool_mobile_androidappid' => get_config('tool_mobile', 'androidappid'), 206 'tool_mobile_setuplink' => clean_param(get_config('tool_mobile', 'setuplink'), PARAM_URL), 207 'tool_mobile_qrcodetype' => clean_param(get_config('tool_mobile', 'qrcodetype'), PARAM_INT), 208 'supportpage' => $sitesupportavailable ? clean_param($CFG->supportpage, PARAM_URL) : '', 209 'supportavailability' => clean_param($CFG->supportavailability, PARAM_INT), 210 ); 211 212 $typeoflogin = get_config('tool_mobile', 'typeoflogin'); 213 // Not found, edge case. 214 if ($typeoflogin === false) { 215 $typeoflogin = self::LOGIN_VIA_APP; // Defaults to via app. 216 } 217 $settings['typeoflogin'] = $typeoflogin; 218 219 // Check if the user can sign-up to return the launch URL in that case. 220 $cansignup = signup_is_enabled(); 221 222 $url = new moodle_url("/$CFG->admin/tool/mobile/launch.php"); 223 $settings['launchurl'] = $url->out(false); 224 225 // Check that we are receiving a moodle_url object, themes can override get_logo_url and may return incorrect values. 226 if (($logourl = $OUTPUT->get_logo_url()) && $logourl instanceof moodle_url) { 227 $settings['logourl'] = clean_param($logourl->out(false), PARAM_URL); 228 } 229 if (($compactlogourl = $OUTPUT->get_compact_logo_url()) && $compactlogourl instanceof moodle_url) { 230 $settings['compactlogourl'] = clean_param($compactlogourl->out(false), PARAM_URL); 231 } 232 233 // Identity providers. 234 $authsequence = get_enabled_auth_plugins(); 235 $identityproviders = \auth_plugin_base::get_identity_providers($authsequence); 236 $identityprovidersdata = \auth_plugin_base::prepare_identity_providers_for_output($identityproviders, $OUTPUT); 237 if (!empty($identityprovidersdata)) { 238 $settings['identityproviders'] = $identityprovidersdata; 239 // Clean URLs to avoid breaking Web Services. 240 // We can't do it in prepare_identity_providers_for_output() because it may break the web output. 241 foreach ($settings['identityproviders'] as &$ip) { 242 $ip['url'] = (!empty($ip['url'])) ? clean_param($ip['url'], PARAM_URL) : ''; 243 $ip['iconurl'] = (!empty($ip['iconurl'])) ? clean_param($ip['iconurl'], PARAM_URL) : ''; 244 } 245 } 246 247 // If age is verified or support is available to all visitors, also return the admin contact details. 248 if ($settings['agedigitalconsentverification'] || $sitesupportavailable) { 249 $settings['supportname'] = clean_param($CFG->supportname, PARAM_NOTAGS); 250 $settings['supportemail'] = clean_param($CFG->supportemail, PARAM_EMAIL); 251 } 252 253 return $settings; 254 } 255 256 /** 257 * Returns a list of site configurations, filtering by section. 258 * 259 * @param string $section section name 260 * @return stdClass object containing the settings 261 */ 262 public static function get_config($section) { 263 global $CFG, $SITE; 264 265 $settings = new \stdClass; 266 $context = context_system::instance(); 267 $isadmin = has_capability('moodle/site:config', $context); 268 269 if (empty($section) or $section == 'frontpagesettings') { 270 require_once($CFG->dirroot . '/course/format/lib.php'); 271 // First settings that anyone can deduce. 272 $settings->fullname = \core_external\util::format_string($SITE->fullname, $context->id); 273 $settings->shortname = \core_external\util::format_string($SITE->shortname, $context->id); 274 275 // Return to a var instead of directly to $settings object because of differences between 276 // list() in php5 and php7. {@link http://php.net/manual/en/function.list.php} 277 $formattedsummary = \core_external\util::format_text($SITE->summary, $SITE->summaryformat, 278 $context->id); 279 $settings->summary = $formattedsummary[0]; 280 $settings->summaryformat = $formattedsummary[1]; 281 $settings->frontpage = $CFG->frontpage; 282 $settings->frontpageloggedin = $CFG->frontpageloggedin; 283 $settings->maxcategorydepth = $CFG->maxcategorydepth; 284 $settings->frontpagecourselimit = $CFG->frontpagecourselimit; 285 $settings->numsections = course_get_format($SITE)->get_last_section_number(); 286 $settings->newsitems = $SITE->newsitems; 287 $settings->commentsperpage = $CFG->commentsperpage; 288 289 // Now, admin settings. 290 if ($isadmin) { 291 $settings->defaultfrontpageroleid = $CFG->defaultfrontpageroleid; 292 } 293 } 294 295 if (empty($section) or $section == 'sitepolicies') { 296 $manager = new \core_privacy\local\sitepolicy\manager(); 297 $settings->sitepolicy = ($sitepolicy = $manager->get_embed_url()) ? $sitepolicy->out(false) : ''; 298 $settings->sitepolicyhandler = $CFG->sitepolicyhandler; 299 $settings->disableuserimages = $CFG->disableuserimages; 300 } 301 302 if (empty($section) or $section == 'gradessettings') { 303 require_once($CFG->dirroot . '/user/lib.php'); 304 $settings->mygradesurl = user_mygrades_url(); 305 // The previous function may return moodle_url instances or plain string URLs. 306 if ($settings->mygradesurl instanceof moodle_url) { 307 $settings->mygradesurl = $settings->mygradesurl->out(false); 308 } 309 } 310 311 if (empty($section) or $section == 'mobileapp') { 312 $settings->tool_mobile_forcelogout = get_config('tool_mobile', 'forcelogout'); 313 $settings->tool_mobile_customlangstrings = get_config('tool_mobile', 'customlangstrings'); 314 $settings->tool_mobile_disabledfeatures = get_config('tool_mobile', 'disabledfeatures'); 315 $settings->tool_mobile_filetypeexclusionlist = get_config('tool_mobile', 'filetypeexclusionlist'); 316 $settings->tool_mobile_custommenuitems = get_config('tool_mobile', 'custommenuitems'); 317 $settings->tool_mobile_apppolicy = get_config('tool_mobile', 'apppolicy'); 318 // This setting could be not set in some edge cases such as bad upgrade. 319 $mintimereq = get_config('tool_mobile', 'autologinmintimebetweenreq'); 320 $mintimereq = empty($mintimereq) ? 6 * MINSECS : $mintimereq; 321 $settings->tool_mobile_autologinmintimebetweenreq = $mintimereq; 322 } 323 324 if (empty($section) or $section == 'calendar') { 325 $settings->calendartype = $CFG->calendartype; 326 $settings->calendar_site_timeformat = $CFG->calendar_site_timeformat; 327 $settings->calendar_startwday = $CFG->calendar_startwday; 328 $settings->calendar_adminseesall = $CFG->calendar_adminseesall; 329 $settings->calendar_lookahead = $CFG->calendar_lookahead; 330 $settings->calendar_maxevents = $CFG->calendar_maxevents; 331 } 332 333 if (empty($section) or $section == 'coursecolors') { 334 $colornumbers = range(1, 10); 335 foreach ($colornumbers as $number) { 336 $settings->{'core_admin_coursecolor' . $number} = get_config('core_admin', 'coursecolor' . $number); 337 } 338 } 339 340 if (empty($section) or $section == 'supportcontact') { 341 $settings->supportavailability = $CFG->supportavailability; 342 343 if ($CFG->supportavailability == CONTACT_SUPPORT_DISABLED) { 344 $settings->supportname = null; 345 $settings->supportemail = null; 346 $settings->supportpage = null; 347 } else { 348 $settings->supportname = $CFG->supportname; 349 $settings->supportemail = $CFG->supportemail ?? null; 350 $settings->supportpage = $CFG->supportpage; 351 } 352 } 353 354 if (empty($section) || $section === 'graceperiodsettings') { 355 $settings->coursegraceperiodafter = $CFG->coursegraceperiodafter; 356 $settings->coursegraceperiodbefore = $CFG->coursegraceperiodbefore; 357 } 358 359 if (empty($section) || $section === 'navigation') { 360 $settings->enabledashboard = $CFG->enabledashboard; 361 } 362 363 if (empty($section) || $section === 'themesettings') { 364 $settings->customusermenuitems = $CFG->customusermenuitems; 365 } 366 367 if (empty($section) || $section === 'locationsettings') { 368 $settings->timezone = $CFG->timezone; 369 $settings->forcetimezone = $CFG->forcetimezone; 370 } 371 372 return $settings; 373 } 374 375 /* 376 * Check if all the required conditions are met to allow the auto-login process continue. 377 * 378 * @param int $userid current user id 379 * @since Moodle 3.2 380 * @throws moodle_exception 381 */ 382 public static function check_autologin_prerequisites($userid) { 383 global $CFG; 384 385 if (!$CFG->enablewebservices or !$CFG->enablemobilewebservice) { 386 throw new moodle_exception('enablewsdescription', 'webservice'); 387 } 388 389 if (!is_https()) { 390 throw new moodle_exception('httpsrequired', 'tool_mobile'); 391 } 392 393 if (has_capability('moodle/site:config', context_system::instance(), $userid) or is_siteadmin($userid)) { 394 throw new moodle_exception('autologinnotallowedtoadmins', 'tool_mobile'); 395 } 396 } 397 398 /** 399 * Creates an auto-login key for the current user, this key is restricted by time and ip address. 400 * This key is used for automatically login the user in the site when the Moodle app opens the site in a mobile browser. 401 * 402 * @return string the key 403 * @since Moodle 3.2 404 */ 405 public static function get_autologin_key() { 406 global $USER; 407 // Delete previous keys. 408 delete_user_key('tool_mobile', $USER->id); 409 410 // Create a new key. 411 $iprestriction = getremoteaddr(); 412 $validuntil = time() + self::LOGIN_KEY_TTL; 413 return create_user_key('tool_mobile', $USER->id, null, $iprestriction, $validuntil); 414 } 415 416 /** 417 * Creates a QR login key for the current user, this key is restricted by time and ip address. 418 * This key is used for automatically login the user in the site when the user scans a QR code in the Moodle app. 419 * 420 * @param stdClass $mobilesettings mobile app plugin settings 421 * @return string the key 422 * @since Moodle 3.9 423 */ 424 public static function get_qrlogin_key(stdClass $mobilesettings) { 425 global $USER; 426 // Delete previous keys. 427 delete_user_key('tool_mobile', $USER->id); 428 429 // Create a new key. 430 $iprestriction = !empty($mobilesettings->qrsameipcheck) ? getremoteaddr(null) : null; 431 $qrkeyttl = !empty($mobilesettings->qrkeyttl) ? $mobilesettings->qrkeyttl : self::LOGIN_QR_KEY_TTL; 432 $validuntil = time() + $qrkeyttl; 433 return create_user_key('tool_mobile', $USER->id, null, $iprestriction, $validuntil); 434 } 435 436 /** 437 * Get a list of the Mobile app features. 438 * 439 * @return array array with the features grouped by theirs ubication in the app. 440 * @since Moodle 3.3 441 */ 442 public static function get_features_list() { 443 global $CFG; 444 require_once($CFG->libdir . '/authlib.php'); 445 446 $general = new lang_string('general'); 447 $mainmenu = new lang_string('mainmenu', 'tool_mobile'); 448 $course = new lang_string('course'); 449 $modules = new lang_string('managemodules'); 450 $blocks = new lang_string('blocks'); 451 $useraccount = new lang_string('useraccount'); 452 $participants = new lang_string('participants'); 453 $files = new lang_string('files'); 454 $remoteaddons = new lang_string('remoteaddons', 'tool_mobile'); 455 $identityproviders = new lang_string('oauth2identityproviders', 'tool_mobile'); 456 457 $availablemods = core_plugin_manager::instance()->get_plugins_of_type('mod'); 458 $coursemodules = array(); 459 $appsupportedmodules = array( 460 'assign', 'bigbluebuttonbn', 'book', 'chat', 'choice', 'data', 'feedback', 'folder', 'forum', 'glossary', 'h5pactivity', 461 'imscp', 'label', 'lesson', 'lti', 'page', 'quiz', 'resource', 'scorm', 'survey', 'url', 'wiki', 'workshop'); 462 463 foreach ($availablemods as $mod) { 464 if (in_array($mod->name, $appsupportedmodules)) { 465 $coursemodules['$mmCourseDelegate_mmaMod' . ucfirst($mod->name)] = $mod->displayname; 466 } 467 } 468 asort($coursemodules); 469 470 $remoteaddonslist = array(); 471 $mobileplugins = self::get_plugins_supporting_mobile(); 472 foreach ($mobileplugins as $plugin) { 473 $displayname = core_plugin_manager::instance()->plugin_name($plugin['component']) . " - " . $plugin['addon']; 474 $remoteaddonslist['sitePlugin_' . $plugin['component'] . '_' . $plugin['addon']] = $displayname; 475 476 } 477 478 // Display blocks. 479 $availableblocks = core_plugin_manager::instance()->get_plugins_of_type('block'); 480 $courseblocks = array(); 481 $appsupportedblocks = array( 482 'activity_modules' => 'CoreBlockDelegate_AddonBlockActivityModules', 483 'activity_results' => 'CoreBlockDelegate_AddonBlockActivityResults', 484 'site_main_menu' => 'CoreBlockDelegate_AddonBlockSiteMainMenu', 485 'myoverview' => 'CoreBlockDelegate_AddonBlockMyOverview', 486 'course_list' => 'CoreBlockDelegate_AddonBlockCourseList', 487 'timeline' => 'CoreBlockDelegate_AddonBlockTimeline', 488 'recentlyaccessedcourses' => 'CoreBlockDelegate_AddonBlockRecentlyAccessedCourses', 489 'starredcourses' => 'CoreBlockDelegate_AddonBlockStarredCourses', 490 'recentlyaccesseditems' => 'CoreBlockDelegate_AddonBlockRecentlyAccessedItems', 491 'badges' => 'CoreBlockDelegate_AddonBlockBadges', 492 'blog_menu' => 'CoreBlockDelegate_AddonBlockBlogMenu', 493 'blog_recent' => 'CoreBlockDelegate_AddonBlockBlogRecent', 494 'blog_tags' => 'CoreBlockDelegate_AddonBlockBlogTags', 495 'calendar_month' => 'CoreBlockDelegate_AddonBlockCalendarMonth', 496 'calendar_upcoming' => 'CoreBlockDelegate_AddonBlockCalendarUpcoming', 497 'comments' => 'CoreBlockDelegate_AddonBlockComments', 498 'completionstatus' => 'CoreBlockDelegate_AddonBlockCompletionStatus', 499 'feedback' => 'CoreBlockDelegate_AddonBlockFeedback', 500 'glossary_random' => 'CoreBlockDelegate_AddonBlockGlossaryRandom', 501 'html' => 'CoreBlockDelegate_AddonBlockHtml', 502 'lp' => 'CoreBlockDelegate_AddonBlockLp', 503 'news_items' => 'CoreBlockDelegate_AddonBlockNewsItems', 504 'online_users' => 'CoreBlockDelegate_AddonBlockOnlineUsers', 505 'private_files' => 'CoreBlockDelegate_AddonBlockPrivateFiles', 506 'recent_activity' => 'CoreBlockDelegate_AddonBlockRecentActivity', 507 'rss_client' => 'CoreBlockDelegate_AddonBlockRssClient', 508 'selfcompletion' => 'CoreBlockDelegate_AddonBlockSelfCompletion', 509 'tags' => 'CoreBlockDelegate_AddonBlockTags', 510 ); 511 512 foreach ($availableblocks as $block) { 513 if (isset($appsupportedblocks[$block->name])) { 514 $courseblocks[$appsupportedblocks[$block->name]] = $block->displayname; 515 } 516 } 517 asort($courseblocks); 518 519 $features = array( 520 "$general" => array( 521 'NoDelegate_CoreOffline' => new lang_string('offlineuse', 'tool_mobile'), 522 'NoDelegate_SiteBlocks' => new lang_string('blocks'), 523 'NoDelegate_CoreComments' => new lang_string('comments'), 524 'NoDelegate_CoreRating' => new lang_string('ratings', 'rating'), 525 'NoDelegate_CoreTag' => new lang_string('tags'), 526 '$mmLoginEmailSignup' => new lang_string('startsignup'), 527 'NoDelegate_ForgottenPassword' => new lang_string('forgotten'), 528 'NoDelegate_ResponsiveMainMenuItems' => new lang_string('responsivemainmenuitems', 'tool_mobile'), 529 'NoDelegate_H5POffline' => new lang_string('h5poffline', 'tool_mobile'), 530 'NoDelegate_DarkMode' => new lang_string('darkmode', 'tool_mobile'), 531 'CoreFilterDelegate' => new lang_string('type_filter_plural', 'plugin'), 532 'CoreReportBuilderDelegate' => new lang_string('reportbuilder', 'core_reportbuilder'), 533 'NoDelegate_CoreUserSupport' => new lang_string('contactsitesupport', 'admin'), 534 ), 535 "$mainmenu" => array( 536 '$mmSideMenuDelegate_mmaFrontpage' => new lang_string('sitehome'), 537 'CoreMainMenuDelegate_CoreCoursesDashboard' => new lang_string('myhome'), 538 '$mmSideMenuDelegate_mmCourses' => new lang_string('mycourses'), 539 '$mmSideMenuDelegate_mmaMessages' => new lang_string('messages', 'message'), 540 '$mmSideMenuDelegate_mmaNotifications' => new lang_string('notifications', 'message'), 541 '$mmSideMenuDelegate_mmaCalendar' => new lang_string('calendar', 'calendar'), 542 'CoreMainMenuDelegate_AddonBlog' => new lang_string('blog', 'blog'), 543 'CoreMainMenuDelegate_CoreTag' => new lang_string('tags'), 544 'CoreMainMenuDelegate_QrReader' => new lang_string('scanqrcode', 'tool_mobile'), 545 ), 546 "$useraccount" => array( 547 '$mmSideMenuDelegate_mmaGrades' => new lang_string('grades', 'grades'), 548 '$mmSideMenuDelegate_mmaFiles' => new lang_string('files'), 549 'CoreUserDelegate_AddonBadges:account' => new lang_string('badges', 'badges'), 550 'CoreUserDelegate_AddonBlog:account' => new lang_string('blog', 'blog'), 551 '$mmSideMenuDelegate_mmaCompetency' => new lang_string('myplans', 'tool_lp'), 552 'NoDelegate_SwitchAccount' => new lang_string('switchaccount', 'tool_mobile'), 553 ), 554 "$course" => array( 555 '$mmCoursesDelegate_mmaParticipants' => new lang_string('participants'), 556 '$mmCoursesDelegate_mmaGrades' => new lang_string('grades', 'grades'), 557 '$mmCoursesDelegate_mmaCompetency' => new lang_string('competencies', 'competency'), 558 '$mmCoursesDelegate_mmaNotes' => new lang_string('notes', 'notes'), 559 '$mmCoursesDelegate_mmaCourseCompletion' => new lang_string('coursecompletion', 'completion'), 560 'NoDelegate_CourseBlocks' => new lang_string('blocks'), 561 'CoreCourseOptionsDelegate_AddonBlog' => new lang_string('blog', 'blog'), 562 '$mmCoursesDelegate_search' => new lang_string('search'), 563 'NoDelegate_CoreCourseDownload' => new lang_string('downloadcourse', 'tool_mobile'), 564 'NoDelegate_CoreCoursesDownload' => new lang_string('downloadcourses', 'tool_mobile'), 565 ), 566 "$participants" => array( 567 '$mmUserDelegate_mmaGrades:viewGrades' => new lang_string('grades', 'grades'), 568 '$mmUserDelegate_mmaCourseCompletion:viewCompletion' => new lang_string('coursecompletion', 'completion'), 569 '$mmUserDelegate_mmaBadges' => new lang_string('badges', 'badges'), 570 '$mmUserDelegate_mmaNotes:addNote' => new lang_string('notes', 'notes'), 571 'CoreUserDelegate_AddonBlog:blogs' => new lang_string('blog', 'blog'), 572 '$mmUserDelegate_mmaCompetency:learningPlan' => new lang_string('competencies', 'competency'), 573 '$mmUserDelegate_mmaMessages:sendMessage' => new lang_string('sendmessage', 'message'), 574 '$mmUserDelegate_picture' => new lang_string('userpic'), 575 ), 576 "$files" => array( 577 'files_privatefiles' => new lang_string('privatefiles'), 578 'files_sitefiles' => new lang_string('sitefiles'), 579 'files_upload' => new lang_string('upload'), 580 ), 581 "$modules" => $coursemodules, 582 "$blocks" => $courseblocks, 583 ); 584 585 if (!empty($remoteaddonslist)) { 586 $features["$remoteaddons"] = $remoteaddonslist; 587 } 588 589 if (!empty($availablemods['lti'])) { 590 $ltidisplayname = $availablemods['lti']->displayname; 591 $features["$ltidisplayname"]['CoreCourseModuleDelegate_AddonModLti:launchViaSite'] = 592 new lang_string('launchviasiteinbrowser', 'tool_mobile'); 593 } 594 595 // Display OAuth 2 identity providers. 596 if (is_enabled_auth('oauth2')) { 597 $identityproviderslist = array(); 598 $idps = \auth_plugin_base::get_identity_providers(['oauth2']); 599 600 foreach ($idps as $idp) { 601 // Only add identity providers that have an ID. 602 $id = isset($idp['url']) ? $idp['url']->get_param('id') : null; 603 if ($id != null) { 604 $identityproviderslist['NoDelegate_IdentityProvider_' . $id] = $idp['name']; 605 } 606 } 607 608 if (!empty($identityproviderslist)) { 609 $features["$identityproviders"] = array(); 610 611 if (count($identityproviderslist) > 1) { 612 // Include an option to disable them all. 613 $features["$identityproviders"]['NoDelegate_IdentityProviders'] = new lang_string('all'); 614 } 615 616 $features["$identityproviders"] = array_merge($features["$identityproviders"], $identityproviderslist); 617 } 618 } 619 620 return $features; 621 } 622 623 /** 624 * This function check the current site for potential configuration issues that may prevent the mobile app to work. 625 * 626 * @return array list of potential issues 627 * @since Moodle 3.4 628 */ 629 public static function get_potential_config_issues() { 630 global $CFG; 631 require_once($CFG->dirroot . "/lib/filelib.php"); 632 require_once($CFG->dirroot . '/message/lib.php'); 633 634 $warnings = array(); 635 636 if (is_https()) { 637 $curl = new curl(); 638 // Return certificate information and verify the certificate. 639 $curl->setopt(array('CURLOPT_CERTINFO' => 1, 'CURLOPT_SSL_VERIFYPEER' => true)); 640 // Check https using a page not redirecting or returning exceptions. 641 $curl->head("$CFG->wwwroot/$CFG->admin/tool/mobile/mobile.webmanifest.php"); 642 $info = $curl->get_info(); 643 644 // Check the certificate is not self-signed or has an untrusted-root. 645 // This may be weak in some scenarios (when the curl SSL verifier is outdated). 646 if (empty($info['http_code']) || empty($info['certinfo'])) { 647 $warnings[] = ['selfsignedoruntrustedcertificatewarning', 'tool_mobile']; 648 } else { 649 $timenow = time(); 650 $infokeys = array_keys($info['certinfo']); 651 $lastkey = end($infokeys); 652 653 if (count($info['certinfo']) == 1) { 654 // This will work in a normal browser because it will complete the chain, but not in a mobile app. 655 $warnings[] = ['invalidcertificatechainwarning', 'tool_mobile']; 656 } 657 658 foreach ($info['certinfo'] as $key => $cert) { 659 // Convert to lower case the keys, some OS/curl implementations differ. 660 $cert = array_change_key_case($cert, CASE_LOWER); 661 662 // Due to a bug in certain curl/openssl versions the signature algorithm isn't always correctly parsed. 663 // See https://github.com/curl/curl/issues/3706 for reference. 664 if (!array_key_exists('signature algorithm', $cert)) { 665 // The malformed field that does contain the algorithm we're looking for looks like the following: 666 // <WHITESPACE>Signature Algorithm: <ALGORITHM><CRLF><ALGORITHM>. 667 preg_match('/\s+Signature Algorithm: (?<algorithm>[^\s]+)/', $cert['public key algorithm'], $matches); 668 669 $signaturealgorithm = $matches['algorithm'] ?? ''; 670 } else { 671 $signaturealgorithm = $cert['signature algorithm']; 672 } 673 674 // Check if the signature algorithm is weak (Android won't work with SHA-1). 675 if ($key != $lastkey && 676 ($signaturealgorithm == 'sha1WithRSAEncryption' || $signaturealgorithm == 'sha1WithRSA')) { 677 $warnings['insecurealgorithmwarning'] = ['insecurealgorithmwarning', 'tool_mobile']; 678 } 679 // Check certificate start date. 680 if (strtotime($cert['start date']) > $timenow) { 681 $warnings['invalidcertificatestartdatewarning'] = ['invalidcertificatestartdatewarning', 'tool_mobile']; 682 } 683 // Check certificate end date. 684 if (strtotime($cert['expire date']) < $timenow) { 685 $warnings['invalidcertificateexpiredatewarning'] = ['invalidcertificateexpiredatewarning', 'tool_mobile']; 686 } 687 } 688 } 689 } else { 690 // Warning for non https sites. 691 $warnings[] = ['nohttpsformobilewarning', 'admin']; 692 } 693 694 // Check ADOdb debug enabled. 695 if (get_config('auth_db', 'debugauthdb') || get_config('enrol_database', 'debugdb')) { 696 $warnings[] = ['adodbdebugwarning', 'tool_mobile']; 697 } 698 // Check display errors on. 699 if (!empty($CFG->debugdisplay)) { 700 $warnings[] = ['displayerrorswarning', 'tool_mobile']; 701 } 702 // Check mobile notifications. 703 $processors = get_message_processors(); 704 $enabled = false; 705 foreach ($processors as $processor => $status) { 706 if ($processor == 'airnotifier' && $status->enabled) { 707 $enabled = true; 708 } 709 } 710 if (!$enabled) { 711 $warnings[] = ['mobilenotificationsdisabledwarning', 'tool_mobile']; 712 } 713 714 return $warnings; 715 } 716 717 /** 718 * Generates a QR code with the site URL or for automatic login from the mobile app. 719 * 720 * @param stdClass $mobilesettings tool_mobile settings 721 * @return string base64 data image contents, null if qr disabled 722 */ 723 public static function generate_login_qrcode(stdClass $mobilesettings) { 724 global $CFG, $USER; 725 726 if ($mobilesettings->qrcodetype == static::QR_CODE_DISABLED) { 727 return null; 728 } 729 730 $urlscheme = !empty($mobilesettings->forcedurlscheme) ? $mobilesettings->forcedurlscheme : 'moodlemobile'; 731 $data = $urlscheme . '://' . $CFG->wwwroot; 732 733 if ($mobilesettings->qrcodetype == static::QR_CODE_LOGIN) { 734 $qrloginkey = static::get_qrlogin_key($mobilesettings); 735 $data .= '?qrlogin=' . $qrloginkey . '&userid=' . $USER->id; 736 } 737 738 $qrcode = new core_qrcode($data); 739 $imagedata = 'data:image/png;base64,' . base64_encode($qrcode->getBarcodePngData(5, 5)); 740 741 return $imagedata; 742 } 743 744 /** 745 * Gets Moodle app plan subscription information for the current site as it is returned by the Apps Portal. 746 * 747 * @return array Subscription information 748 */ 749 public static function get_subscription_information() : ?array { 750 global $CFG; 751 752 // Use session cache to prevent multiple requests. 753 $cache = \cache::make('tool_mobile', 'subscriptiondata'); 754 $subscriptiondata = $cache->get(0); 755 if ($subscriptiondata !== false) { 756 return $subscriptiondata; 757 } 758 759 $mobilesettings = get_config('tool_mobile'); 760 761 // To validate that the requests come from this site we need to send some private information that only is known by the 762 // Moodle Apps portal or the Sites registration database. 763 $credentials = []; 764 765 if (!empty($CFG->airnotifieraccesskey)) { 766 $credentials[] = ['type' => 'airnotifieraccesskey', 'value' => $CFG->airnotifieraccesskey]; 767 } 768 if (\core\hub\registration::is_registered()) { 769 $credentials[] = ['type' => 'siteid', 'value' => $CFG->siteidentifier]; 770 } 771 // Generate a hash key for validating that the request is coming from this site via WS. 772 $key = complex_random_string(32); 773 $sitesubscriptionkey = json_encode(['validuntil' => time() + 10 * MINSECS, 'key' => $key]); 774 set_config('sitesubscriptionkey', $sitesubscriptionkey, 'tool_mobile'); 775 $credentials[] = ['type' => 'sitesubscriptionkey', 'value' => $key]; 776 777 // Parameters for the WebService returning site information. 778 $androidappid = empty($mobilesettings->androidappid) ? static::DEFAULT_ANDROID_APP_ID : $mobilesettings->androidappid; 779 $iosappid = empty($mobilesettings->iosappid) ? static::DEFAULT_IOS_APP_ID : $mobilesettings->iosappid; 780 $fnparams = (object) [ 781 'siteurl' => $CFG->wwwroot, 782 'appids' => [$androidappid, $iosappid], 783 'credentials' => $credentials, 784 ]; 785 // Prepare the arguments for a request to the AJAX nologin endpoint. 786 $args = [ 787 (object) [ 788 'index' => 0, 789 'methodname' => 'local_apps_get_site_info', 790 'args' => $fnparams, 791 ] 792 ]; 793 794 // Ask the Moodle Apps Portal for the subscription information. 795 $curl = new curl(); 796 $curl->setopt(array('CURLOPT_TIMEOUT' => 10, 'CURLOPT_CONNECTTIMEOUT' => 10)); 797 798 $serverurl = static::MOODLE_APPS_PORTAL_URL . "/lib/ajax/service-nologin.php"; 799 $query = 'args=' . urlencode(json_encode($args)); 800 $wsresponse = @json_decode($curl->post($serverurl, $query), true); 801 802 $info = $curl->get_info(); 803 if ($curlerrno = $curl->get_errno()) { 804 // CURL connection error. 805 debugging("Unexpected response from the Moodle Apps Portal server, CURL error number: $curlerrno"); 806 return null; 807 } else if ($info['http_code'] != 200) { 808 // Unexpected error from server. 809 debugging('Unexpected response from the Moodle Apps Portal server, HTTP code:' . $info['httpcode']); 810 return null; 811 } else if (!empty($wsresponse[0]['error'])) { 812 // Unexpected error from Moodle Apps Portal. 813 debugging('Unexpected response from the Moodle Apps Portal server:' . json_encode($wsresponse[0])); 814 return null; 815 } else if (empty($wsresponse[0]['data'])) { 816 debugging('Unexpected response from the Moodle Apps Portal server:' . json_encode($wsresponse)); 817 return null; 818 } 819 820 $cache->set(0, $wsresponse[0]['data']); 821 822 return $wsresponse[0]['data']; 823 } 824 }
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