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44 lines
1.6 KiB
44 lines
1.6 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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function validator_username($input, $parameter = '', $message = '')
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{
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global $prefs;
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$userlib = TikiLib::lib('user');
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if ($prefs['login_is_email'] === 'y') {
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if ($userlib->get_user_by_email($input)) {
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return tra("Email already in use");
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}
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if (! validate_email($input)) {
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return tra("Invalid email");
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}
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} else {
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if ($userlib->user_exists($input)) {
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return tra("User already exists");
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}
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if (! empty($prefs['username_pattern']) && ! preg_match($prefs['username_pattern'], $input)) {
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return tra("Invalid character combination for username");
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}
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if (strtolower($input) == 'anonymous' || strtolower($input) == 'registered') {
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return tra("Invalid username");
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}
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if (strlen($input) > $prefs['max_username_length']) {
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$error = tr("Username cannot contain more than %0 characters", $prefs['max_username_length']);
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return $error;
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}
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if (strlen($input) < $prefs['min_username_length']) {
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$error = tr("Username must be at least %0 characters long", $prefs['min_username_length']);
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return $error;
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}
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if ($prefs['lowercase_username'] === 'y' && preg_match('/[A-Z]/', $input) !== 0) {
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$error = tr("Username must be all lower case");
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return $error;
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}
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}
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return true;
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}
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