2 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
21 * @copyright 2009 Moodle Pty Ltd (http://moodle.com)
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
29 * @throws moodle_exception
30 * @param stdClass $user user to create
31 * @param bool $updatepassword if true, authentication plugin will update password.
32 * @param bool $triggerevent set false if user_created event should not be triggred.
33 * This will not affect user_password_updated event triggering.
34 * @return int id of the newly created user
36 function user_create_user($user, $updatepassword = true, $triggerevent = true) {
39 // Set the timecreate field to the current time.
40 if (!is_object($user)) {
41 $user = (object) $user;
45 if ($user->username !== core_text::strtolower($user->username)) {
46 throw new moodle_exception('usernamelowercase');
48 if ($user->username !== clean_param($user->username, PARAM_USERNAME)) {
49 throw new moodle_exception('invalidusername');
53 // Save the password in a temp value for later.
54 if ($updatepassword && isset($user->password)) {
56 // Check password toward the password policy.
57 if (!check_password_policy($user->password, $errmsg)) {
58 throw new moodle_exception($errmsg);
61 $userpassword = $user->password;
62 unset($user->password);
65 // Make sure calendartype, if set, is valid.
66 if (!empty($user->calendartype)) {
67 $availablecalendartypes = \core_calendar\type_factory::get_list_of_calendar_types();
68 if (empty($availablecalendartypes[$user->calendartype])) {
69 $user->calendartype = $CFG->calendartype;
72 $user->calendartype = $CFG->calendartype;
75 // Apply default values for user preferences that are stored in users table.
76 if (!isset($user->maildisplay)) {
77 $user->maildisplay = $CFG->defaultpreference_maildisplay;
79 if (!isset($user->mailformat)) {
80 $user->mailformat = $CFG->defaultpreference_mailformat;
82 if (!isset($user->maildigest)) {
83 $user->maildigest = $CFG->defaultpreference_maildigest;
85 if (!isset($user->autosubscribe)) {
86 $user->autosubscribe = $CFG->defaultpreference_autosubscribe;
88 if (!isset($user->trackforums)) {
89 $user->trackforums = $CFG->defaultpreference_trackforums;
91 if (!isset($user->lang)) {
92 $user->lang = $CFG->lang;
95 $user->timecreated = time();
96 $user->timemodified = $user->timecreated;
98 // Insert the user into the database.
99 $newuserid = $DB->insert_record('user', $user);
101 // Create USER context for this user.
102 $usercontext = context_user::instance($newuserid);
104 // Update user password if necessary.
105 if (isset($userpassword)) {
106 // Get full database user row, in case auth is default.
107 $newuser = $DB->get_record('user', array('id' => $newuserid));
108 $authplugin = get_auth_plugin($newuser->auth);
109 $authplugin->user_update_password($newuser, $userpassword);
112 // Trigger event If required.
114 \core\event\user_created::create_from_userid($newuserid)->trigger();
121 * Update a user with a user object (will compare against the ID)
123 * @throws moodle_exception
124 * @param stdClass $user the user to update
125 * @param bool $updatepassword if true, authentication plugin will update password.
126 * @param bool $triggerevent set false if user_updated event should not be triggred.
127 * This will not affect user_password_updated event triggering.
129 function user_update_user($user, $updatepassword = true, $triggerevent = true) {
132 // Set the timecreate field to the current time.
133 if (!is_object($user)) {
134 $user = (object) $user;
138 if (isset($user->username)) {
139 if ($user->username !== core_text::strtolower($user->username)) {
140 throw new moodle_exception('usernamelowercase');
142 if ($user->username !== clean_param($user->username, PARAM_USERNAME)) {
143 throw new moodle_exception('invalidusername');
148 // Unset password here, for updating later, if password update is required.
149 if ($updatepassword && isset($user->password)) {
151 // Check password toward the password policy.
152 if (!check_password_policy($user->password, $errmsg)) {
153 throw new moodle_exception($errmsg);
156 $passwd = $user->password;
157 unset($user->password);
160 // Make sure calendartype, if set, is valid.
161 if (!empty($user->calendartype)) {
162 $availablecalendartypes = \core_calendar\type_factory::get_list_of_calendar_types();
163 // If it doesn't exist, then unset this value, we do not want to update the user's value.
164 if (empty($availablecalendartypes[$user->calendartype])) {
165 unset($user->calendartype);
168 // Unset this variable, must be an empty string, which we do not want to update the calendartype to.
169 unset($user->calendartype);
172 $user->timemodified = time();
173 $DB->update_record('user', $user);
175 if ($updatepassword) {
176 // Get full user record.
177 $updateduser = $DB->get_record('user', array('id' => $user->id));
179 // If password was set, then update its hash.
180 if (isset($passwd)) {
181 $authplugin = get_auth_plugin($updateduser->auth);
182 if ($authplugin->can_change_password()) {
183 $authplugin->user_update_password($updateduser, $passwd);
187 // Trigger event if required.
189 \core\event\user_updated::create_from_userid($user->id)->trigger();
194 * Marks user deleted in internal user database and notifies the auth plugin.
195 * Also unenrols user from all roles and does other cleanup.
197 * @todo Decide if this transaction is really needed (look for internal TODO:)
198 * @param object $user Userobject before delete (without system magic quotes)
199 * @return boolean success
201 function user_delete_user($user) {
202 return delete_user($user);
208 * @param array $userids id of users to retrieve
211 function user_get_users_by_id($userids) {
213 return $DB->get_records_list('user', 'id', $userids);
217 * Returns the list of default 'displayable' fields
219 * Contains database field names but also names used to generate information, such as enrolledcourses
221 * @return array of user fields
223 function user_get_default_fields() {
224 return array( 'id', 'username', 'fullname', 'firstname', 'lastname', 'email',
225 'address', 'phone1', 'phone2', 'icq', 'skype', 'yahoo', 'aim', 'msn', 'department',
226 'institution', 'interests', 'firstaccess', 'lastaccess', 'auth', 'confirmed',
227 'idnumber', 'lang', 'theme', 'timezone', 'mailformat', 'description', 'descriptionformat',
228 'city', 'url', 'country', 'profileimageurlsmall', 'profileimageurl', 'customfields',
229 'groups', 'roles', 'preferences', 'enrolledcourses'
235 * Give user record from mdl_user, build an array contains all user details.
237 * Warning: description file urls are 'webservice/pluginfile.php' is use.
238 * it can be changed with $CFG->moodlewstextformatlinkstoimagesfile
240 * @throws moodle_exception
241 * @param stdClass $user user record from mdl_user
242 * @param stdClass $course moodle course
243 * @param array $userfields required fields
246 function user_get_user_details($user, $course = null, array $userfields = array()) {
247 global $USER, $DB, $CFG;
248 require_once($CFG->dirroot . "/user/profile/lib.php"); // Custom field library.
249 require_once($CFG->dirroot . "/lib/filelib.php"); // File handling on description and friends.
251 $defaultfields = user_get_default_fields();
253 if (empty($userfields)) {
254 $userfields = $defaultfields;
257 foreach ($userfields as $thefield) {
258 if (!in_array($thefield, $defaultfields)) {
259 throw new moodle_exception('invaliduserfield', 'error', '', $thefield);
263 // Make sure id and fullname are included.
264 if (!in_array('id', $userfields)) {
265 $userfields[] = 'id';
268 if (!in_array('fullname', $userfields)) {
269 $userfields[] = 'fullname';
272 if (!empty($course)) {
273 $context = context_course::instance($course->id);
274 $usercontext = context_user::instance($user->id);
275 $canviewdetailscap = (has_capability('moodle/user:viewdetails', $context) || has_capability('moodle/user:viewdetails', $usercontext));
277 $context = context_user::instance($user->id);
278 $usercontext = $context;
279 $canviewdetailscap = has_capability('moodle/user:viewdetails', $usercontext);
282 $currentuser = ($user->id == $USER->id);
283 $isadmin = is_siteadmin($USER);
285 $showuseridentityfields = get_extra_user_fields($context);
287 if (!empty($course)) {
288 $canviewhiddenuserfields = has_capability('moodle/course:viewhiddenuserfields', $context);
290 $canviewhiddenuserfields = has_capability('moodle/user:viewhiddendetails', $context);
292 $canviewfullnames = has_capability('moodle/site:viewfullnames', $context);
293 if (!empty($course)) {
294 $canviewuseremail = has_capability('moodle/course:useremail', $context);
296 $canviewuseremail = false;
298 $cannotviewdescription = !empty($CFG->profilesforenrolledusersonly) && !$currentuser && !$DB->record_exists('role_assignments', array('userid' => $user->id));
299 if (!empty($course)) {
300 $canaccessallgroups = has_capability('moodle/site:accessallgroups', $context);
302 $canaccessallgroups = false;
305 if (!$currentuser && !$canviewdetailscap && !has_coursecontact_role($user->id)) {
306 // Skip this user details.
310 $userdetails = array();
311 $userdetails['id'] = $user->id;
313 if (($isadmin or $currentuser) and in_array('username', $userfields)) {
314 $userdetails['username'] = $user->username;
316 if ($isadmin or $canviewfullnames) {
317 if (in_array('firstname', $userfields)) {
318 $userdetails['firstname'] = $user->firstname;
320 if (in_array('lastname', $userfields)) {
321 $userdetails['lastname'] = $user->lastname;
324 $userdetails['fullname'] = fullname($user);
326 if (in_array('customfields', $userfields)) {
327 $fields = $DB->get_recordset_sql("SELECT f.*
328 FROM {user_info_field} f
329 JOIN {user_info_category} c
331 ORDER BY c.sortorder ASC, f.sortorder ASC");
332 $userdetails['customfields'] = array();
333 foreach ($fields as $field) {
334 require_once($CFG->dirroot.'/user/profile/field/'.$field->datatype.'/field.class.php');
335 $newfield = 'profile_field_'.$field->datatype;
336 $formfield = new $newfield($field->id, $user->id);
337 if ($formfield->is_visible() and !$formfield->is_empty()) {
338 $userdetails['customfields'][] =
339 array('name' => $formfield->field->name, 'value' => $formfield->data,
340 'type' => $field->datatype, 'shortname' => $formfield->field->shortname);
344 // Unset customfields if it's empty.
345 if (empty($userdetails['customfields'])) {
346 unset($userdetails['customfields']);
351 if (in_array('profileimageurl', $userfields)) {
352 $profileimageurl = moodle_url::make_pluginfile_url($usercontext->id, 'user', 'icon', null, '/', 'f1');
353 $userdetails['profileimageurl'] = $profileimageurl->out(false);
355 if (in_array('profileimageurlsmall', $userfields)) {
356 $profileimageurlsmall = moodle_url::make_pluginfile_url($usercontext->id, 'user', 'icon', null, '/', 'f2');
357 $userdetails['profileimageurlsmall'] = $profileimageurlsmall->out(false);
360 // Hidden user field.
361 if ($canviewhiddenuserfields) {
362 $hiddenfields = array();
363 // Address, phone1 and phone2 not appears in hidden fields list but require viewhiddenfields capability
364 // according to user/profile.php.
365 if ($user->address && in_array('address', $userfields)) {
366 $userdetails['address'] = $user->address;
369 $hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
372 if ($user->phone1 && in_array('phone1', $userfields) &&
373 (in_array('phone1', $showuseridentityfields) or $canviewhiddenuserfields)) {
374 $userdetails['phone1'] = $user->phone1;
376 if ($user->phone2 && in_array('phone2', $userfields) &&
377 (in_array('phone2', $showuseridentityfields) or $canviewhiddenuserfields)) {
378 $userdetails['phone2'] = $user->phone2;
381 if (isset($user->description) &&
382 ((!isset($hiddenfields['description']) && !$cannotviewdescription) or $isadmin)) {
383 if (in_array('description', $userfields)) {
384 // Always return the descriptionformat if description is requested.
385 list($userdetails['description'], $userdetails['descriptionformat']) =
386 external_format_text($user->description, $user->descriptionformat,
387 $usercontext->id, 'user', 'profile', null);
391 if (in_array('country', $userfields) && (!isset($hiddenfields['country']) or $isadmin) && $user->country) {
392 $userdetails['country'] = $user->country;
395 if (in_array('city', $userfields) && (!isset($hiddenfields['city']) or $isadmin) && $user->city) {
396 $userdetails['city'] = $user->city;
399 if (in_array('url', $userfields) && $user->url && (!isset($hiddenfields['webpage']) or $isadmin)) {
401 if (strpos($user->url, '://') === false) {
402 $url = 'http://'. $url;
404 $user->url = clean_param($user->url, PARAM_URL);
405 $userdetails['url'] = $user->url;
408 if (in_array('icq', $userfields) && $user->icq && (!isset($hiddenfields['icqnumber']) or $isadmin)) {
409 $userdetails['icq'] = $user->icq;
412 if (in_array('skype', $userfields) && $user->skype && (!isset($hiddenfields['skypeid']) or $isadmin)) {
413 $userdetails['skype'] = $user->skype;
415 if (in_array('yahoo', $userfields) && $user->yahoo && (!isset($hiddenfields['yahooid']) or $isadmin)) {
416 $userdetails['yahoo'] = $user->yahoo;
418 if (in_array('aim', $userfields) && $user->aim && (!isset($hiddenfields['aimid']) or $isadmin)) {
419 $userdetails['aim'] = $user->aim;
421 if (in_array('msn', $userfields) && $user->msn && (!isset($hiddenfields['msnid']) or $isadmin)) {
422 $userdetails['msn'] = $user->msn;
425 if (in_array('firstaccess', $userfields) && (!isset($hiddenfields['firstaccess']) or $isadmin)) {
426 if ($user->firstaccess) {
427 $userdetails['firstaccess'] = $user->firstaccess;
429 $userdetails['firstaccess'] = 0;
432 if (in_array('lastaccess', $userfields) && (!isset($hiddenfields['lastaccess']) or $isadmin)) {
433 if ($user->lastaccess) {
434 $userdetails['lastaccess'] = $user->lastaccess;
436 $userdetails['lastaccess'] = 0;
440 if (in_array('email', $userfields) && ($isadmin // The admin is allowed the users email.
441 or $currentuser // Of course the current user is as well.
442 or $canviewuseremail // This is a capability in course context, it will be false in usercontext.
443 or in_array('email', $showuseridentityfields)
444 or $user->maildisplay == 1
445 or ($user->maildisplay == 2 and enrol_sharing_course($user, $USER)))) {
446 $userdetails['email'] = $user->email;
449 if (in_array('interests', $userfields) && !empty($CFG->usetags)) {
450 require_once($CFG->dirroot . '/tag/lib.php');
451 if ($interests = tag_get_tags_csv('user', $user->id, TAG_RETURN_TEXT) ) {
452 $userdetails['interests'] = $interests;
456 // Departement/Institution/Idnumber are not displayed on any profile, however you can get them from editing profile.
457 if ($isadmin or $currentuser or in_array('idnumber', $showuseridentityfields)) {
458 if (in_array('idnumber', $userfields) && $user->idnumber) {
459 $userdetails['idnumber'] = $user->idnumber;
462 if ($isadmin or $currentuser or in_array('institution', $showuseridentityfields)) {
463 if (in_array('institution', $userfields) && $user->institution) {
464 $userdetails['institution'] = $user->institution;
467 if ($isadmin or $currentuser or in_array('department', $showuseridentityfields)) {
468 if (in_array('department', $userfields) && isset($user->department)) { // Isset because it's ok to have department 0.
469 $userdetails['department'] = $user->department;
473 if (in_array('roles', $userfields) && !empty($course)) {
475 $roles = get_user_roles($context, $user->id, false);
476 $userdetails['roles'] = array();
477 foreach ($roles as $role) {
478 $userdetails['roles'][] = array(
479 'roleid' => $role->roleid,
480 'name' => $role->name,
481 'shortname' => $role->shortname,
482 'sortorder' => $role->sortorder
487 // If groups are in use and enforced throughout the course, then make sure we can meet in at least one course level group.
488 if (in_array('groups', $userfields) && !empty($course) && $canaccessallgroups) {
489 $usergroups = groups_get_all_groups($course->id, $user->id, $course->defaultgroupingid,
490 'g.id, g.name,g.description,g.descriptionformat');
491 $userdetails['groups'] = array();
492 foreach ($usergroups as $group) {
493 list($group->description, $group->descriptionformat) =
494 external_format_text($group->description, $group->descriptionformat,
495 $context->id, 'group', 'description', $group->id);
496 $userdetails['groups'][] = array('id' => $group->id, 'name' => $group->name,
497 'description' => $group->description, 'descriptionformat' => $group->descriptionformat);
500 // List of courses where the user is enrolled.
501 if (in_array('enrolledcourses', $userfields) && !isset($hiddenfields['mycourses'])) {
502 $enrolledcourses = array();
503 if ($mycourses = enrol_get_users_courses($user->id, true)) {
504 foreach ($mycourses as $mycourse) {
505 if ($mycourse->category) {
506 $coursecontext = context_course::instance($mycourse->id);
507 $enrolledcourse = array();
508 $enrolledcourse['id'] = $mycourse->id;
509 $enrolledcourse['fullname'] = format_string($mycourse->fullname, true, array('context' => $coursecontext));
510 $enrolledcourse['shortname'] = format_string($mycourse->shortname, true, array('context' => $coursecontext));
511 $enrolledcourses[] = $enrolledcourse;
514 $userdetails['enrolledcourses'] = $enrolledcourses;
519 if (in_array('preferences', $userfields) && $currentuser) {
520 $preferences = array();
521 $userpreferences = get_user_preferences();
522 foreach ($userpreferences as $prefname => $prefvalue) {
523 $preferences[] = array('name' => $prefname, 'value' => $prefvalue);
525 $userdetails['preferences'] = $preferences;
532 * Tries to obtain user details, either recurring directly to the user's system profile
533 * or through one of the user's course enrollments (course profile).
535 * @param stdClass $user The user.
536 * @return array if unsuccessful or the allowed user details.
538 function user_get_user_details_courses($user) {
542 // Get the courses that the user is enrolled in (only active).
543 $courses = enrol_get_users_courses($user->id, true);
545 $systemprofile = false;
546 if (can_view_user_details_cap($user) || ($user->id == $USER->id) || has_coursecontact_role($user->id)) {
547 $systemprofile = true;
550 // Try using system profile.
551 if ($systemprofile) {
552 $userdetails = user_get_user_details($user, null);
554 // Try through course profile.
555 foreach ($courses as $course) {
556 if (can_view_user_details_cap($user, $course) || ($user->id == $USER->id) || has_coursecontact_role($user->id)) {
557 $userdetails = user_get_user_details($user, $course);
566 * Check if $USER have the necessary capabilities to obtain user details.
568 * @param stdClass $user
569 * @param stdClass $course if null then only consider system profile otherwise also consider the course's profile.
570 * @return bool true if $USER can view user details.
572 function can_view_user_details_cap($user, $course = null) {
573 // Check $USER has the capability to view the user details at user context.
574 $usercontext = context_user::instance($user->id);
575 $result = has_capability('moodle/user:viewdetails', $usercontext);
576 // Otherwise can $USER see them at course context.
577 if (!$result && !empty($course)) {
578 $context = context_course::instance($course->id);
579 $result = has_capability('moodle/user:viewdetails', $context);
585 * Return a list of page types
586 * @param string $pagetype current page type
587 * @param stdClass $parentcontext Block's parent context
588 * @param stdClass $currentcontext Current context of block
591 function user_page_type_list($pagetype, $parentcontext, $currentcontext) {
592 return array('user-profile' => get_string('page-user-profile', 'pagetype'));
596 * Count the number of failed login attempts for the given user, since last successful login.
598 * @param int|stdclass $user user id or object.
599 * @param bool $reset Resets failed login count, if set to true.
601 * @return int number of failed login attempts since the last successful login.
603 function user_count_login_failures($user, $reset = true) {
606 if (!is_object($user)) {
607 $user = $DB->get_record('user', array('id' => $user), '*', MUST_EXIST);
609 if ($user->deleted) {
610 // Deleted user, nothing to do.
613 $count = get_user_preferences('login_failed_count_since_success', 0, $user);
615 set_user_preference('login_failed_count_since_success', 0, $user);
621 * Converts a string into a flat array of menu items, where each menu items is a
622 * stdClass with fields type, url, title, pix, and imgsrc.
624 * @param string $text the menu items definition
625 * @param moodle_page $page the current page
628 function user_convert_text_to_menu_items($text, $page) {
629 global $OUTPUT, $CFG;
631 $lines = explode("\n", $text);
637 foreach ($lines as $line) {
639 $bits = explode('|', $line, 3);
641 if (preg_match("/^#+$/", $line)) {
642 $itemtype = 'divider';
643 } else if (!array_key_exists(0, $bits) or empty($bits[0])) {
644 // Every item must have a name to be valid.
647 $bits[0] = ltrim($bits[0], '-');
651 $child = new stdClass();
652 $child->itemtype = $itemtype;
653 if ($itemtype === 'divider') {
654 // Add the divider to the list of children and skip link
656 $children[] = $child;
661 $namebits = explode(',', $bits[0], 2);
662 if (count($namebits) == 2) {
663 // Check the validity of the identifier part of the string.
664 if (clean_param($namebits[0], PARAM_STRINGID) !== '') {
665 // Treat this as a language string.
666 $child->title = get_string($namebits[0], $namebits[1]);
669 if (empty($child->title)) {
670 // Use it as is, don't even clean it.
671 $child->title = $bits[0];
675 if (!array_key_exists(1, $bits) or empty($bits[1])) {
676 // Set the url to null, and set the itemtype to invalid.
678 $child->itemtype = "invalid";
680 // Nasty hack to replace the grades with the direct url.
681 if (strpos($bits[1], '/grade/report/mygrades.php') !== false) {
682 $bits[1] = user_mygrades_url();
685 // Make sure the url is a moodle url.
686 $bits[1] = new moodle_url(trim($bits[1]));
688 $child->url = $bits[1];
692 if (!array_key_exists(2, $bits) or empty($bits[2])) {
694 $child->pix = $pixpath;
696 // Check for the specified image existing.
697 $pixpath = "t/" . $bits[2];
698 if ($page->theme->resolve_image_location($pixpath, 'moodle', true)) {
700 $child->pix = $pixpath;
702 // Treat it like a URL.
704 $child->imgsrc = $bits[2];
708 // Add this child to the list of children.
709 $children[] = $child;
715 * Get a list of essential user navigation items.
717 * @param stdclass $user user object.
718 * @param moodle_page $page page object.
719 * @return stdClass $returnobj navigation information object, where:
721 * $returnobj->navitems array array of links where each link is a
722 * stdClass with fields url, title, and
724 * $returnobj->metadata array array of useful user metadata to be
725 * used when constructing navigation;
729 * asotherrole bool whether viewing as another role
730 * rolename string name of the role
733 * These fields are for the currently-logged in user, or for
734 * the user that the real user is currently logged in as.
736 * userid int the id of the user in question
737 * userfullname string the user's full name
738 * userprofileurl moodle_url the url of the user's profile
739 * useravatar string a HTML fragment - the rendered
740 * user_picture for this user
741 * userloginfail string an error string denoting the number
742 * of login failures since last login
745 * These fields are for when asotheruser is true, and
746 * correspond to the underlying "real user".
748 * asotheruser bool whether viewing as another user
749 * realuserid int the id of the user in question
750 * realuserfullname string the user's full name
751 * realuserprofileurl moodle_url the url of the user's profile
752 * realuseravatar string a HTML fragment - the rendered
753 * user_picture for this user
755 * MNET PROVIDER FIELDS
756 * asmnetuser bool whether viewing as a user from an
758 * mnetidprovidername string name of the MNet provider
759 * mnetidproviderwwwroot string URL of the MNet provider
761 function user_get_user_navigation_info($user, $page) {
762 global $OUTPUT, $DB, $SESSION, $CFG;
764 $returnobject = new stdClass();
765 $returnobject->navitems = array();
766 $returnobject->metadata = array();
768 $course = $page->course;
770 // Query the environment.
771 $context = context_course::instance($course->id);
773 // Get basic user metadata.
774 $returnobject->metadata['userid'] = $user->id;
775 $returnobject->metadata['userfullname'] = fullname($user, true);
776 $returnobject->metadata['userprofileurl'] = new moodle_url('/user/profile.php', array(
779 $returnobject->metadata['useravatar'] = $OUTPUT->user_picture (
783 'visibletoscreenreaders' => false
786 // Build a list of items for a regular user.
788 // Query MNet status.
789 if ($returnobject->metadata['asmnetuser'] = is_mnet_remote_user($user)) {
790 $mnetidprovider = $DB->get_record('mnet_host', array('id' => $user->mnethostid));
791 $returnobject->metadata['mnetidprovidername'] = $mnetidprovider->name;
792 $returnobject->metadata['mnetidproviderwwwroot'] = $mnetidprovider->wwwroot;
795 // Did the user just log in?
796 if (isset($SESSION->justloggedin)) {
797 // Don't unset this flag as login_info still needs it.
798 if (!empty($CFG->displayloginfailures)) {
799 // We're already in /user/lib.php, so we don't need to include.
800 if ($count = user_count_login_failures($user)) {
802 // Get login failures string.
804 $a->attempts = html_writer::tag('span', $count, array('class' => 'value'));
805 $returnobject->metadata['userloginfail'] =
806 get_string('failedloginattempts', '', $a);
813 $myhome = new stdClass();
814 $myhome->itemtype = 'link';
815 $myhome->url = new moodle_url('/my/');
816 $myhome->title = get_string('mymoodle', 'admin');
817 $myhome->pix = "i/course";
818 $returnobject->navitems[] = $myhome;
820 // Links: My Profile.
821 $myprofile = new stdClass();
822 $myprofile->itemtype = 'link';
823 $myprofile->url = new moodle_url('/user/profile.php', array('id' => $user->id));
824 $myprofile->title = get_string('profile');
825 $myprofile->pix = "i/user";
826 $returnobject->navitems[] = $myprofile;
828 // Links: Role-return or logout link.
831 $returnobject->metadata['asotherrole'] = false;
832 if (is_role_switched($course->id)) {
833 if ($role = $DB->get_record('role', array('id' => $user->access['rsw'][$context->path]))) {
834 // Build role-return link instead of logout link.
835 $rolereturn = new stdClass();
836 $rolereturn->itemtype = 'link';
837 $rolereturn->url = new moodle_url('/course/switchrole.php', array(
839 'sesskey' => sesskey(),
841 'returnurl' => $page->url->out_as_local_url(false)
843 $rolereturn->pix = "a/logout";
844 $rolereturn->title = get_string('switchrolereturn');
845 $lastobj = $rolereturn;
847 $returnobject->metadata['asotherrole'] = true;
848 $returnobject->metadata['rolename'] = role_get_name($role, $context);
850 $buildlogout = false;
854 if ($returnobject->metadata['asotheruser'] = \core\session\manager::is_loggedinas()) {
855 $realuser = \core\session\manager::get_realuser();
857 // Save values for the real user, as $user will be full of data for the
858 // user the user is disguised as.
859 $returnobject->metadata['realuserid'] = $realuser->id;
860 $returnobject->metadata['realuserfullname'] = fullname($realuser, true);
861 $returnobject->metadata['realuserprofileurl'] = new moodle_url('/user/profile.php', array(
862 'id' => $realuser->id
864 $returnobject->metadata['realuseravatar'] = $OUTPUT->user_picture (
868 'visibletoscreenreaders' => false
872 // Build a user-revert link.
873 $userrevert = new stdClass();
874 $userrevert->itemtype = 'link';
875 $userrevert->url = new moodle_url('/course/loginas.php', array(
877 'sesskey' => sesskey()
879 $userrevert->pix = "a/logout";
880 $userrevert->title = get_string('logout');
881 $lastobj = $userrevert;
883 $buildlogout = false;
887 // Build a logout link.
888 $logout = new stdClass();
889 $logout->itemtype = 'link';
890 $logout->url = new moodle_url('/login/logout.php', array('sesskey' => sesskey()));
891 $logout->pix = "a/logout";
892 $logout->title = get_string('logout');
896 // Before we add the last item (usually a logout link), add any
897 // custom-defined items.
898 $customitems = user_convert_text_to_menu_items($CFG->customusermenuitems, $page);
899 foreach ($customitems as $item) {
900 $returnobject->navitems[] = $item;
903 // Add the last item to the list.
904 if (!is_null($lastobj)) {
905 $returnobject->navitems[] = $lastobj;
908 return $returnobject;
912 * Add password to the list of used hashes for this user.
914 * This is supposed to be used from:
915 * 1/ change own password form
916 * 2/ password reset process
917 * 3/ user signup in auth plugins if password changing supported
919 * @param int $userid user id
920 * @param string $password plaintext password
923 function user_add_password_history($userid, $password) {
925 require_once($CFG->libdir.'/password_compat/lib/password.php');
927 if (empty($CFG->passwordreuselimit) or $CFG->passwordreuselimit < 0) {
931 // Note: this is using separate code form normal password hashing because
932 // we need to have this under control in the future. Also the auth
933 // plugin might not store the passwords locally at all.
935 $record = new stdClass();
936 $record->userid = $userid;
937 $record->hash = password_hash($password, PASSWORD_DEFAULT);
938 $record->timecreated = time();
939 $DB->insert_record('user_password_history', $record);
942 $records = $DB->get_records('user_password_history', array('userid' => $userid), 'timecreated DESC, id DESC');
943 foreach ($records as $record) {
945 if ($i > $CFG->passwordreuselimit) {
946 $DB->delete_records('user_password_history', array('id' => $record->id));
952 * Was this password used before on change or reset password page?
954 * The $CFG->passwordreuselimit setting determines
955 * how many times different password needs to be used
956 * before allowing previously used password again.
958 * @param int $userid user id
959 * @param string $password plaintext password
960 * @return bool true if password reused
962 function user_is_previously_used_password($userid, $password) {
964 require_once($CFG->libdir.'/password_compat/lib/password.php');
966 if (empty($CFG->passwordreuselimit) or $CFG->passwordreuselimit < 0) {
973 $records = $DB->get_records('user_password_history', array('userid' => $userid), 'timecreated DESC, id DESC');
974 foreach ($records as $record) {
976 if ($i > $CFG->passwordreuselimit) {
977 $DB->delete_records('user_password_history', array('id' => $record->id));
980 // NOTE: this is slow but we cannot compare the hashes directly any more.
981 if (password_verify($password, $record->hash)) {
990 * Remove a user device from the Moodle database (for PUSH notifications usually).
992 * @param string $uuid The device UUID.
993 * @param string $appid The app id. If empty all the devices matching the UUID for the user will be removed.
994 * @return bool true if removed, false if the device didn't exists in the database
997 function user_remove_user_device($uuid, $appid = "") {
1000 $conditions = array('uuid' => $uuid, 'userid' => $USER->id);
1001 if (!empty($appid)) {
1002 $conditions['appid'] = $appid;
1005 if (!$DB->count_records('user_devices', $conditions)) {
1009 $DB->delete_records('user_devices', $conditions);
1015 * Trigger user_list_viewed event.
1017 * @param stdClass $course course object
1018 * @param stdClass $context course context object
1021 function user_list_view($course, $context) {
1023 $event = \core\event\user_list_viewed::create(array(
1024 'objectid' => $course->id,
1025 'courseid' => $course->id,
1026 'context' => $context,
1028 'courseshortname' => $course->shortname,
1029 'coursefullname' => $course->fullname
1036 * Returns the url to use for the "Grades" link in the user navigation.
1038 * @param int $userid The user's ID.
1039 * @param int $courseid The course ID if available.
1040 * @return mixed A URL to be directed to for "Grades".
1042 function user_mygrades_url($userid = null, $courseid = SITEID) {
1045 if (isset($CFG->grade_mygrades_report) && $CFG->grade_mygrades_report != 'external') {
1046 if (isset($userid) && $USER->id != $userid) {
1047 // Send to the gradebook report.
1048 $url = new moodle_url('/grade/report/' . $CFG->grade_mygrades_report . '/index.php',
1049 array('id' => $courseid, 'userid' => $userid));
1051 $url = new moodle_url('/grade/report/' . $CFG->grade_mygrades_report . '/index.php');
1053 } else if (isset($CFG->grade_mygrades_report) && $CFG->grade_mygrades_report == 'external'
1054 && !empty($CFG->gradereport_mygradeurl)) {
1055 $url = $CFG->gradereport_mygradeurl;
1057 $url = $CFG->wwwroot;