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879 lines
38 KiB
879 lines
38 KiB
<?php
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/* For licensing terms, see /license.txt */
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use ChamiloSession as Session;
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use Chamilo\UserBundle\Entity\User;
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/**
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* Class Login
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* @author Olivier Cauberghe <olivier.cauberghe@UGent.be>, Ghent University
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* @author Julio Montoya <gugli100@gmail.com>
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* @package chamilo.login
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*/
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class Login
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{
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/**
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* Get user account list
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*
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* @param array $user array with keys: email, password, uid, loginName
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* @param boolean $reset
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* @param boolean $by_username
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* @return unknown
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*/
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public static function get_user_account_list($user, $reset = false, $by_username = false)
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{
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$portal_url = api_get_path(WEB_PATH);
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if (api_is_multiple_url_enabled()) {
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$access_url_id = api_get_current_access_url_id();
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if ($access_url_id != -1) {
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$url = api_get_access_url($access_url_id);
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$portal_url = $url['url'];
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}
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}
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if ($reset) {
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if ($by_username) {
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$secret_word = self::get_secret_word($user['email']);
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if ($reset) {
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$reset_link = $portal_url . "main/auth/lostPassword.php?reset=" . $secret_word . "&id=" . $user['uid'];
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} else {
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$reset_link = get_lang('Pass') . " : $user[password]";
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}
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$user_account_list = get_lang('YourRegistrationData') . " : \n" . get_lang('UserName') . ' : ' . $user['loginName'] . "\n" . get_lang('ResetLink') . ' : ' . $reset_link . '';
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if ($user_account_list) {
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$user_account_list = "\n-----------------------------------------------\n" . $user_account_list;
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}
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} else {
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foreach ($user as $this_user) {
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$secret_word = self::get_secret_word($this_user['email']);
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if ($reset) {
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$reset_link = $portal_url . "main/auth/lostPassword.php?reset=" . $secret_word . "&id=" . $this_user['uid'];
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} else {
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$reset_link = get_lang('Pass') . " : $this_user[password]";
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}
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$user_account_list[] = get_lang('YourRegistrationData') . " : \n" . get_lang('UserName') . ' : ' . $this_user['loginName'] . "\n" . get_lang('ResetLink') . ' : ' . $reset_link . '';
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}
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if ($user_account_list) {
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$user_account_list = implode("\n-----------------------------------------------\n", $user_account_list);
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}
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}
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} else {
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if (!$by_username) {
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$user = $user[0];
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}
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$reset_link = get_lang('Pass') . " : $user[password]";
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$user_account_list = get_lang('YourRegistrationData') . " : \n" . get_lang('UserName') . ' : ' . $user['loginName'] . "\n" . $reset_link . '';
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}
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return $user_account_list;
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}
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/**
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* This function sends the actual password to the user
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*
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* @param int $user
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* @author Olivier Cauberghe <olivier.cauberghe@UGent.be>, Ghent University
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*/
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public static function send_password_to_user($user, $by_username = false)
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{
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$email_subject = "[" . api_get_setting('siteName') . "] " . get_lang('LoginRequest'); // SUBJECT
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if ($by_username) { // Show only for lost password
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$user_account_list = self::get_user_account_list($user, false, $by_username); // BODY
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$email_to = $user['email'];
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} else {
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$user_account_list = self::get_user_account_list($user); // BODY
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$email_to = $user[0]['email'];
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}
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$portal_url = api_get_path(WEB_PATH);
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if (api_is_multiple_url_enabled()) {
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$access_url_id = api_get_current_access_url_id();
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if ($access_url_id != -1) {
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$url = api_get_access_url($access_url_id);
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$portal_url = $url['url'];
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}
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}
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$email_body = get_lang('YourAccountParam') . " " . $portal_url . "\n\n$user_account_list";
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// SEND MESSAGE
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$sender_name = api_get_person_name(
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api_get_setting('administratorName'),
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api_get_setting('administratorSurname'),
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null,
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PERSON_NAME_EMAIL_ADDRESS
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);
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$email_admin = api_get_setting('emailAdministrator');
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if (api_mail_html('', $email_to, $email_subject, $email_body, $sender_name, $email_admin) == 1) {
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return get_lang('YourPasswordHasBeenReset');
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} else {
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$admin_email = Display:: encrypted_mailto_link(
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api_get_setting('emailAdministrator'),
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api_get_person_name(
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api_get_setting('administratorName'),
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api_get_setting('administratorSurname')
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)
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);
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return sprintf(
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get_lang('ThisPlatformWasUnableToSendTheEmailPleaseContactXForMoreInformation'),
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$admin_email
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);
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}
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}
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/**
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* Handle encrypted password, send an email to a user with his password
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*
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* @param int user id
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* @param bool $by_username
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*
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* @author Olivier Cauberghe <olivier.cauberghe@UGent.be>, Ghent University
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*/
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public static function handle_encrypted_password($user, $by_username = false)
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{
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$email_subject = "[" . api_get_setting('siteName') . "] " . get_lang('LoginRequest'); // SUBJECT
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if ($by_username) {
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// Show only for lost password
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$user_account_list = self::get_user_account_list($user, true, $by_username); // BODY
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$email_to = $user['email'];
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} else {
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$user_account_list = self::get_user_account_list($user, true); // BODY
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$email_to = $user[0]['email'];
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}
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$email_body = get_lang('DearUser') . " :\n" . get_lang('password_request') . "\n";
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$email_body .= $user_account_list . "\n-----------------------------------------------\n\n";
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$email_body .= get_lang('PasswordEncryptedForSecurity');
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$email_body .= "\n\n" . get_lang('SignatureFormula') . ",\n" . api_get_setting('administratorName') . " " . api_get_setting('administratorSurname') . "\n" . get_lang('PlataformAdmin') . " - " . api_get_setting('siteName');
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$sender_name = api_get_person_name(
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api_get_setting('administratorName'),
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api_get_setting('administratorSurname'),
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null,
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PERSON_NAME_EMAIL_ADDRESS
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);
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$email_admin = api_get_setting('emailAdministrator');
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$email_body = nl2br($email_body);
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$result = @api_mail_html(
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'',
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$email_to,
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$email_subject,
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$email_body,
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$sender_name,
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$email_admin
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);
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if ($result == 1) {
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return get_lang('YourPasswordHasBeenEmailed');
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} else {
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$admin_email = Display:: encrypted_mailto_link(
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api_get_setting('emailAdministrator'),
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api_get_person_name(
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api_get_setting('administratorName'),
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api_get_setting('administratorSurname')
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)
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);
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$message = sprintf(
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get_lang('ThisPlatformWasUnableToSendTheEmailPleaseContactXForMoreInformation'),
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$admin_email
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);
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return $message;
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}
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}
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/**
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* @param User $user
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*/
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public static function sendResetEmail(User $user)
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{
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//if (null === $user->getConfirmationToken()) {
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$uniqueId = api_get_unique_id();
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$user->setConfirmationToken($uniqueId);
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$user->setPasswordRequestedAt(new \DateTime());
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Database::getManager()->persist($user);
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Database::getManager()->flush();
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$url = api_get_path(WEB_CODE_PATH).'auth/reset.php?token='.$uniqueId;
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$mailSubject = get_lang('ResetPasswordInstructions');
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$mailBody = sprintf(
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get_lang('ResetPasswordCommentWithUrl'),
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$url
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);
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api_mail_html(
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$user->getCompleteName(),
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$user->getEmail(),
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$mailSubject,
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$mailBody
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);
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Display::addFlash(Display::return_message(get_lang('CheckYourEmailAndFollowInstructions')));
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//}
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}
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/**
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* Gets the secret word
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* @author Olivier Cauberghe <olivier.cauberghe@UGent.be>, Ghent University
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*/
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public static function get_secret_word($add)
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{
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return $secret_word = sha1($add);
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}
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/**
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* Resets a password
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* @author Olivier Cauberghe <olivier.cauberghe@UGent.be>, Ghent University
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*/
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public static function reset_password($secret, $id, $by_username = false)
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{
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$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
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$id = intval($id);
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$sql = "SELECT
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user_id AS uid,
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lastname AS lastName,
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firstname AS firstName,
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username AS loginName,
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password,
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email,
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auth_source
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FROM " . $tbl_user . "
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WHERE user_id = $id";
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$result = Database::query($sql);
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$num_rows = Database::num_rows($result);
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if ($result && $num_rows > 0) {
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$user = Database::fetch_array($result);
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if ($user['auth_source'] == 'extldap') {
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return get_lang('CouldNotResetPassword');
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}
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} else {
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return get_lang('CouldNotResetPassword');
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}
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if (self::get_secret_word($user['email']) == $secret) {
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// OK, secret word is good. Now change password and mail it.
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$user['password'] = api_generate_password();
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UserManager::updatePassword($id, $user['password']);
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return self::send_password_to_user($user, $by_username);
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} else {
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return get_lang('NotAllowed');
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}
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}
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/**
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*
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* @global bool $is_platformAdmin
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* @global bool $is_allowedCreateCourse
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* @global object $_user
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* @param boolean $reset
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*/
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public static function init_user($user_id, $reset)
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{
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global $is_platformAdmin;
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global $is_allowedCreateCourse;
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global $_user;
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if (isset($reset) && $reset) { // session data refresh requested
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unset($_SESSION['_user']['uidReset']);
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$is_platformAdmin = false;
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$is_allowedCreateCourse = false;
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$_user['user_id'] = $user_id;
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if (isset($_user['user_id']) && $_user['user_id'] && !api_is_anonymous()) {
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// a uid is given (log in succeeded)
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$user_table = Database::get_main_table(TABLE_MAIN_USER);
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$admin_table = Database::get_main_table(TABLE_MAIN_ADMIN);
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$track_e_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
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$sql = "SELECT user.*, a.user_id is_admin, UNIX_TIMESTAMP(login.login_date) login_date
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FROM $user_table
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LEFT JOIN $admin_table a
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ON user.user_id = a.user_id
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LEFT JOIN $track_e_login login
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ON user.user_id = login.login_user_id
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WHERE user.user_id = '" . $_user['user_id'] . "'
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ORDER BY login.login_date DESC LIMIT 1";
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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// Extracting the user data
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$uData = Database::fetch_array($result);
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$_user['firstName'] = $uData['firstname'];
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$_user['lastName'] = $uData['lastname'];
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$_user['mail'] = $uData['email'];
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$_user['official_code'] = $uData['official_code'];
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$_user['picture_uri'] = $uData['picture_uri'];
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$_user['user_id'] = $uData['user_id'];
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$_user['language'] = $uData['language'];
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$_user['auth_source'] = $uData['auth_source'];
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$_user['theme'] = $uData['theme'];
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$_user['status'] = $uData['status'];
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$is_platformAdmin = (bool) (!is_null($uData['is_admin']));
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$is_allowedCreateCourse = (bool) (($uData ['status'] == 1) or (api_get_setting('drhCourseManagerRights') and $uData['status'] == 4));
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ConditionalLogin::check_conditions($uData);
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Session::write('_user', $_user);
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UserManager::update_extra_field_value($_user['user_id'], 'already_logged_in', 'true');
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Session::write('is_platformAdmin', $is_platformAdmin);
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Session::write('is_allowedCreateCourse', $is_allowedCreateCourse);
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} else {
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header('location:' . api_get_path(WEB_PATH));
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//exit("WARNING UNDEFINED UID !! ");
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}
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} else { // no uid => logout or Anonymous
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Session::erase('_user');
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Session::erase('_uid');
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}
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Session::write('is_platformAdmin', $is_platformAdmin);
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Session::write('is_allowedCreateCourse', $is_allowedCreateCourse);
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} else { // continue with the previous values
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$_user = $_SESSION['_user'];
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$is_platformAdmin = $_SESSION['is_platformAdmin'];
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$is_allowedCreateCourse = $_SESSION['is_allowedCreateCourse'];
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}
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}
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/**
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*
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* @deprecated
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* @global bool $is_platformAdmin
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* @global bool $is_allowedCreateCourse
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* @global object $_user
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* @global int $_cid
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* @global array $_course
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* @global int $_real_cid
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* @global type $_courseUser
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* @global type $is_courseAdmin
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* @global type $is_courseTutor
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* @global type $is_courseCoach
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* @global type $is_courseMember
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* @global type $is_sessionAdmin
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* @global type $is_allowed_in_course
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*
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* @param type $course_id
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* @param boolean $reset
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*/
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static function init_course($course_id, $reset)
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{
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global $is_platformAdmin;
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global $_user;
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global $_cid;
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global $_course;
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global $_real_cid;
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global $is_courseAdmin; //course teacher
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global $is_courseTutor; //course teacher - some rights
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global $is_courseCoach; //course coach
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global $is_courseMember; //course student
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global $is_sessionAdmin;
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global $is_allowed_in_course;
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if ($reset) {
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// Course session data refresh requested or empty data
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if ($course_id) {
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$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
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$course_cat_table = Database::get_main_table(TABLE_MAIN_CATEGORY);
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$sql = "SELECT course.*, course_category.code faCode, course_category.name faName
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FROM $course_table
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LEFT JOIN $course_cat_table
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ON course.category_code = course_category.code
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WHERE course.code = '$course_id'";
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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$course_data = Database::fetch_array($result);
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//@TODO real_cid should be cid, for working with numeric course id
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$_real_cid = $course_data['id'];
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$_cid = $course_data['code'];
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$_course = array();
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$_course['real_id'] = $course_data['id'];
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$_course['id'] = $course_data['code']; //auto-assigned integer
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$_course['code'] = $course_data['code'];
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$_course['name'] = $course_data['title'];
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$_course['title'] = $course_data['title'];
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$_course['official_code'] = $course_data['visual_code']; // use in echo
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$_course['sysCode'] = $course_data['code']; // use as key in db
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$_course['path'] = $course_data['directory']; // use as key in path
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$_course['titular'] = $course_data['tutor_name']; // this should be deprecated and use the table course_rel_user
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$_course['language'] = $course_data['course_language'];
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$_course['extLink']['url'] = $course_data['department_url'];
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$_course['extLink']['name'] = $course_data['department_name'];
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$_course['categoryCode'] = $course_data['faCode'];
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$_course['categoryName'] = $course_data['faName'];
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$_course['visibility'] = $course_data['visibility'];
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$_course['subscribe_allowed'] = $course_data['subscribe'];
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$_course['unsubscribe'] = $course_data['unsubscribe'];
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$_course['activate_legal'] = $course_data['activate_legal'];
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$_course['show_score'] = $course_data['show_score']; //used in the work tool
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Session::write('_cid', $_cid);
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Session::write('_course', $_course);
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//@TODO real_cid should be cid, for working with numeric course id
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Session::write('_real_cid', $_real_cid);
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// if a session id has been given in url, we store the session
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// Database Table Definitions
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$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
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if (!empty($_GET['id_session'])) {
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$_SESSION['id_session'] = intval($_GET['id_session']);
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$sql = 'SELECT name FROM ' . $tbl_session . ' WHERE id="' . intval($_SESSION['id_session']) . '"';
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$rs = Database::query($sql);
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list($_SESSION['session_name']) = Database::fetch_array($rs);
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} else {
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Session::erase('session_name');
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Session::erase('id_session');
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}
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if (!isset($_SESSION['login_as'])) {
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//Course login
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if (isset($_user['user_id'])) {
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Event::event_course_login(api_get_course_int_id(), $_user['user_id'], api_get_session_id());
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}
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}
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} else {
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//exit("WARNING UNDEFINED CID !! ");
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header('location:' . api_get_path(WEB_PATH));
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}
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} else {
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Session::erase('_cid');
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Session::erase('_real_cid');
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Session::erase('_course');
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if (!empty($_SESSION)) {
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foreach ($_SESSION as $key => $session_item) {
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if (strpos($key, 'lp_autolaunch_') === false) {
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continue;
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} else {
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if (isset($_SESSION[$key])) {
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Session::erase($key);
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}
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}
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}
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}
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//Deleting session info
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if (api_get_session_id()) {
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Session::erase('id_session');
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Session::erase('session_name');
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|
}
|
|
}
|
|
} else {
|
|
// Continue with the previous values
|
|
if (empty($_SESSION['_course']) OR empty($_SESSION['_cid'])) { //no previous values...
|
|
$_cid = -1; //set default values that will be caracteristic of being unset
|
|
$_course = -1;
|
|
} else {
|
|
$_cid = $_SESSION['_cid'];
|
|
$_course = $_SESSION['_course'];
|
|
|
|
// these lines are usefull for tracking. Indeed we can have lost the id_session and not the cid.
|
|
// Moreover, if we want to track a course with another session it can be usefull
|
|
if (!empty($_GET['id_session'])) {
|
|
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
|
|
$sql = 'SELECT name FROM ' . $tbl_session . ' WHERE id="' . intval($_SESSION['id_session']) . '"';
|
|
$rs = Database::query($sql);
|
|
list($_SESSION['session_name']) = Database::fetch_array($rs);
|
|
$_SESSION['id_session'] = intval($_GET['id_session']);
|
|
}
|
|
|
|
if (!isset($_SESSION['login_as'])) {
|
|
$save_course_access = true;
|
|
|
|
//The value $_dont_save_user_course_access should be added before the call of global.inc.php see the main/inc/chat.ajax.php file
|
|
//Disables the updates in the TRACK_E_COURSE_ACCESS table
|
|
if (isset($_dont_save_user_course_access) && $_dont_save_user_course_access == true) {
|
|
$save_course_access = false;
|
|
}
|
|
|
|
if ($save_course_access) {
|
|
$course_tracking_table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
|
|
|
|
/*
|
|
* When $_configuration['session_lifetime'] is too big 100 hours (in order to let users take exercises with no problems)
|
|
* the function Tracking::get_time_spent_on_the_course() returns big values (200h) due the condition:
|
|
* login_course_date > now() - INTERVAL $session_lifetime SECOND
|
|
*
|
|
*/
|
|
/*
|
|
if (isset($_configuration['session_lifetime'])) {
|
|
$session_lifetime = $_configuration['session_lifetime'];
|
|
} else {
|
|
$session_lifetime = 3600; // 1 hour
|
|
} */
|
|
|
|
$session_lifetime = 3600; // 1 hour
|
|
$time = api_get_utc_datetime();
|
|
|
|
if (isset($_user['user_id']) && !empty($_user['user_id'])) {
|
|
//We select the last record for the current course in the course tracking table
|
|
//But only if the login date is < than now + max_life_time
|
|
$sql = "SELECT course_access_id FROM $course_tracking_table
|
|
WHERE
|
|
user_id = " . intval($_user ['user_id']) . " AND
|
|
c_id = '".api_get_course_int_id()."' AND
|
|
session_id = " . api_get_session_id() . " AND
|
|
login_course_date > now() - INTERVAL $session_lifetime SECOND
|
|
ORDER BY login_course_date DESC LIMIT 0,1";
|
|
$result = Database::query($sql);
|
|
|
|
if (Database::num_rows($result) > 0) {
|
|
$i_course_access_id = Database::result($result, 0, 0);
|
|
//We update the course tracking table
|
|
$sql = "UPDATE $course_tracking_table
|
|
SET logout_course_date = '$time', counter = counter+1
|
|
WHERE course_access_id = " . intval($i_course_access_id) . " AND session_id = " . api_get_session_id();
|
|
Database::query($sql);
|
|
} else {
|
|
$sql = "INSERT INTO $course_tracking_table (c_id, user_id, login_course_date, logout_course_date, counter, session_id)" .
|
|
"VALUES('" . api_get_course_int_id() . "', '" . $_user['user_id'] . "', '$time', '$time', '1','" . api_get_session_id() . "')";
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* COURSE / USER REL. INIT */
|
|
|
|
$session_id = api_get_session_id();
|
|
$user_id = isset($_user['user_id']) ? $_user['user_id'] : null;
|
|
|
|
//Course permissions
|
|
$is_courseAdmin = false; //course teacher
|
|
$is_courseTutor = false; //course teacher - some rights
|
|
$is_courseMember = false; //course student
|
|
//Course - User permissions
|
|
$is_sessionAdmin = false;
|
|
|
|
if ($reset) {
|
|
if (isset($user_id) && $user_id && isset($_cid) && $_cid) {
|
|
|
|
//Check if user is subscribed in a course
|
|
$course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
|
|
$sql = "SELECT * FROM $course_user_table
|
|
WHERE
|
|
user_id = '" . $user_id . "' AND
|
|
relation_type <> " . COURSE_RELATION_TYPE_RRHH . " AND
|
|
c_id = '".$_real_cid."'";
|
|
$result = Database::query($sql);
|
|
|
|
$cuData = null;
|
|
if (Database::num_rows($result) > 0) {
|
|
// this user have a recorded state for this course
|
|
$cuData = Database::fetch_array($result, 'ASSOC');
|
|
$is_courseAdmin = (bool) $cuData['status'] == 1;
|
|
$is_courseTutor = (bool) $cuData['is_tutor'] == 1;
|
|
$is_courseMember = true;
|
|
|
|
// Checking if the user filled the course legal agreement
|
|
if ($_course['activate_legal'] == 1 && !api_is_platform_admin()) {
|
|
$user_is_subscribed = CourseManager::is_user_accepted_legal(
|
|
$user_id,
|
|
$_course['id'],
|
|
$session_id
|
|
);
|
|
|
|
if (!$user_is_subscribed) {
|
|
$url = api_get_path(WEB_CODE_PATH) . 'course_info/legal.php?course_code=' . $_course['code'] . '&session_id=' . $session_id;
|
|
header('Location: ' . $url);
|
|
exit;
|
|
}
|
|
}
|
|
}
|
|
|
|
//We are in a session course? Check session permissions
|
|
if (!empty($session_id)) {
|
|
|
|
//I'm not the teacher of the course
|
|
if ($is_courseAdmin == false) {
|
|
// this user has no status related to this course
|
|
// The user is subscribed in a session? The user is a Session coach a Session admin ?
|
|
|
|
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
|
|
$tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
|
|
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
|
|
|
|
//Session coach, session admin, course coach admin
|
|
$sql = "SELECT session.id_coach, session_admin_id, session_rcru.user_id
|
|
FROM $tbl_session session, $tbl_session_course_user session_rcru
|
|
WHERE
|
|
session_rcru.session_id = session.id AND
|
|
session_rcru.c_id = '$_real_cid' AND
|
|
session_rcru.user_id = '$user_id' AND
|
|
session_rcru.session_id = $session_id AND
|
|
session_rcru.status = 2";
|
|
|
|
$result = Database::query($sql);
|
|
$row = Database::store_result($result);
|
|
|
|
//I'm a session admin?
|
|
if (isset($row) && isset($row[0]) && $row[0]['session_admin_id'] == $user_id) {
|
|
$is_courseMember = false;
|
|
$is_courseTutor = false;
|
|
$is_courseAdmin = false;
|
|
$is_courseCoach = false;
|
|
$is_sessionAdmin = true;
|
|
} else {
|
|
//Im a coach or a student?
|
|
$sql = "SELECT user_id, status
|
|
FROM " . $tbl_session_course_user . "
|
|
WHERE
|
|
c_id = '$_cid' AND
|
|
user_id = '" . $user_id . "' AND
|
|
session_id = '" . $session_id . "'
|
|
LIMIT 1";
|
|
$result = Database::query($sql);
|
|
|
|
if (Database::num_rows($result)) {
|
|
$row = Database::fetch_array($result, 'ASSOC');
|
|
$session_course_status = $row['status'];
|
|
|
|
switch ($session_course_status) {
|
|
case '2': // coach - teacher
|
|
$is_courseMember = true;
|
|
$is_courseTutor = true;
|
|
$is_courseCoach = true;
|
|
$is_sessionAdmin = false;
|
|
|
|
if (api_get_setting('extend_rights_for_coach') == 'true') {
|
|
$is_courseAdmin = true;
|
|
} else {
|
|
$is_courseAdmin = false;
|
|
}
|
|
break;
|
|
case '0': //student
|
|
$is_courseMember = true;
|
|
$is_courseTutor = false;
|
|
$is_courseAdmin = false;
|
|
$is_sessionAdmin = false;
|
|
break;
|
|
default:
|
|
//unregister user
|
|
$is_courseMember = false;
|
|
$is_courseTutor = false;
|
|
$is_courseAdmin = false;
|
|
$is_sessionAdmin = false;
|
|
break;
|
|
}
|
|
} else {
|
|
//unregister user
|
|
$is_courseMember = false;
|
|
$is_courseTutor = false;
|
|
$is_courseAdmin = false;
|
|
$is_sessionAdmin = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
//If I'm the admin platform i'm a teacher of the course
|
|
if ($is_platformAdmin) {
|
|
$is_courseAdmin = true;
|
|
}
|
|
}
|
|
} else { // keys missing => not anymore in the course - user relation
|
|
// course
|
|
$is_courseMember = false;
|
|
$is_courseAdmin = false;
|
|
$is_courseTutor = false;
|
|
$is_courseCoach = false;
|
|
$is_sessionAdmin = false;
|
|
}
|
|
|
|
//Checking the course access
|
|
$is_allowed_in_course = false;
|
|
|
|
if (isset($_course)) {
|
|
switch ($_course['visibility']) {
|
|
case COURSE_VISIBILITY_OPEN_WORLD: //3
|
|
$is_allowed_in_course = true;
|
|
break;
|
|
case COURSE_VISIBILITY_OPEN_PLATFORM : //2
|
|
if (isset($user_id) && !api_is_anonymous($user_id)) {
|
|
$is_allowed_in_course = true;
|
|
}
|
|
break;
|
|
case COURSE_VISIBILITY_REGISTERED: //1
|
|
if ($is_platformAdmin || $is_courseMember) {
|
|
$is_allowed_in_course = true;
|
|
}
|
|
break;
|
|
case COURSE_VISIBILITY_CLOSED: //0
|
|
if ($is_platformAdmin || $is_courseAdmin) {
|
|
$is_allowed_in_course = true;
|
|
}
|
|
break;
|
|
case COURSE_VISIBILITY_HIDDEN: //4
|
|
if ($is_platformAdmin) {
|
|
$is_allowed_in_course = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// check the session visibility
|
|
if ($is_allowed_in_course == true) {
|
|
//if I'm in a session
|
|
|
|
if ($session_id != 0) {
|
|
if (!$is_platformAdmin) {
|
|
// admin and session coach are *not* affected to the invisible session mode
|
|
// the coach is not affected because he can log in some days after the end date of a session
|
|
$session_visibility = api_get_session_visibility($session_id);
|
|
|
|
switch ($session_visibility) {
|
|
case SESSION_INVISIBLE:
|
|
$is_allowed_in_course = false;
|
|
break;
|
|
}
|
|
//checking date
|
|
}
|
|
}
|
|
}
|
|
|
|
// save the states
|
|
Session::write('is_courseAdmin', $is_courseAdmin);
|
|
Session::write('is_courseMember', $is_courseMember);
|
|
Session::write('is_courseTutor', $is_courseTutor);
|
|
Session::write('is_courseCoach', $is_courseCoach);
|
|
Session::write('is_allowed_in_course', $is_allowed_in_course);
|
|
Session::write('is_sessionAdmin', $is_sessionAdmin);
|
|
} else {
|
|
// continue with the previous values
|
|
$is_courseAdmin = Session::read('is_courseAdmin');
|
|
$is_courseTutor = Session::read('is_courseTutor');
|
|
$is_courseCoach = Session::read('is_courseCoach');
|
|
$is_courseMember = Session::read('is_courseMember');
|
|
$is_allowed_in_course = Session::read('is_allowed_in_course');
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @global int $_cid
|
|
* @global array $_course
|
|
* @global int $_gid
|
|
*
|
|
* @param int $group_id
|
|
* @param bool $reset
|
|
*/
|
|
static function init_group($group_id, $reset)
|
|
{
|
|
global $_cid;
|
|
global $_course;
|
|
global $_gid;
|
|
|
|
if ($reset) { // session data refresh requested
|
|
if ($group_id && $_cid && !empty($_course['real_id'])) { // have keys to search data
|
|
$group_table = Database::get_course_table(TABLE_GROUP);
|
|
$sql = "SELECT * FROM $group_table WHERE c_id = " . $_course['real_id'] . " AND id = '$group_id'";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result) > 0) { // This group has recorded status related to this course
|
|
$gpData = Database::fetch_array($result);
|
|
$_gid = $gpData ['id'];
|
|
Session::write('_gid', $_gid);
|
|
} else {
|
|
Session::erase('_gid');
|
|
}
|
|
} elseif (isset($_SESSION['_gid']) or isset($_gid)) { // Keys missing => not anymore in the group - course relation
|
|
Session::erase('_gid');
|
|
}
|
|
} elseif (isset($_SESSION['_gid'])) { // continue with the previous values
|
|
$_gid = $_SESSION ['_gid'];
|
|
} else { //if no previous value, assign caracteristic undefined value
|
|
$_gid = -1;
|
|
}
|
|
|
|
//set variable according to student_view_enabled choices
|
|
if (api_get_setting('student_view_enabled') == "true") {
|
|
if (isset($_GET['isStudentView'])) {
|
|
if ($_GET['isStudentView'] == 'true') {
|
|
if (isset($_SESSION['studentview'])) {
|
|
if (!empty($_SESSION['studentview'])) {
|
|
// switching to studentview
|
|
$_SESSION['studentview'] = 'studentview';
|
|
}
|
|
}
|
|
} elseif ($_GET['isStudentView'] == 'false') {
|
|
if (isset($_SESSION['studentview'])) {
|
|
if (!empty($_SESSION['studentview'])) {
|
|
// switching to teacherview
|
|
$_SESSION['studentview'] = 'teacherview';
|
|
}
|
|
}
|
|
}
|
|
} elseif (!empty($_SESSION['studentview'])) {
|
|
//all is fine, no change to that, obviously
|
|
} elseif (empty($_SESSION['studentview'])) {
|
|
// We are in teacherview here
|
|
$_SESSION['studentview'] = 'teacherview';
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true if user exists in the platform when asking the password
|
|
*
|
|
* @param string $username (email or username)
|
|
* @return array|boolean
|
|
*/
|
|
public static function get_user_accounts_by_username($username)
|
|
{
|
|
if (strpos($username,'@')){
|
|
$username = api_strtolower($username);
|
|
$email = true;
|
|
} else {
|
|
$username = api_strtolower($username);
|
|
$email = false;
|
|
}
|
|
|
|
if ($email) {
|
|
$condition = "LOWER(email) = '".Database::escape_string($username)."' ";
|
|
} else {
|
|
$condition = "LOWER(username) = '".Database::escape_string($username)."'";
|
|
}
|
|
|
|
$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
|
|
$query = "SELECT
|
|
user_id AS uid,
|
|
lastname AS lastName,
|
|
firstname AS firstName,
|
|
username AS loginName,
|
|
password,
|
|
email,
|
|
status AS status,
|
|
official_code,
|
|
phone,
|
|
picture_uri,
|
|
creator_id,
|
|
auth_source
|
|
FROM $tbl_user
|
|
WHERE ( $condition AND active = 1) ";
|
|
$result = Database::query($query);
|
|
$num_rows = Database::num_rows($result);
|
|
if ($result && $num_rows > 0) {
|
|
return Database::fetch_assoc($result);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|