139 lines
2.9 KiB
PHP
Executable File
139 lines
2.9 KiB
PHP
Executable File
<?php
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namespace Vn\Web;
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require_once ('vn/lib/app.php');
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use Vn\Lib;
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use Vn\Lib\Locale;
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use Vn\Db\Conn;
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/**
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* Thrown when user credentials could not be fetched.
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**/
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class SessionExpiredException extends Lib\UserException {}
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/**
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* Thrown when user credentials are invalid.
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**/
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class BadLoginException extends Lib\UserException {}
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/**
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* Thrown when client version is outdated.
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**/
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class OutdatedVersionException extends Lib\UserException {}
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/**
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* Main class for web applications.
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**/
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abstract class Service
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{
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protected $app;
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function __construct ($app)
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{
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$this->app = $app;
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}
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/**
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* Starts the user session.
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**/
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function startSession ()
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{
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if ($this->isHttps ())
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ini_set ('session.cookie_secure', TRUE);
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ini_set ('session.hash_function', 'sha512');
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session_start ();
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// Setting the locale
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if (isset ($_SERVER['HTTP_ACCEPT_LANGUAGE']))
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if (!isset ($_SESSION['http_language'])
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|| $_SESSION['http_language'] != $_SERVER['HTTP_ACCEPT_LANGUAGE'])
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{
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$_SESSION['http_language'] = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
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$regexp = '/([a-z]{1,4})(?:-[a-z]{1,4})?\s*(?:;\s*q\s*=\s*(?:1|0\.[0-9]+))?,?/i';
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preg_match_all ($regexp, $_SERVER['HTTP_ACCEPT_LANGUAGE'], $languages);
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foreach ($languages[1] as $lang)
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if (stream_resolve_include_path ("locale/$lang"))
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{
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$_SESSION['lang'] = $lang;
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break;
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}
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}
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if (!isset ($_SESSION['lang']))
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$_SESSION['lang'] = NULL;
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Locale::set ($_SESSION['lang']);
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// Registering the visit
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if (!isset ($_COOKIE['PHPSESSID'])
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|| isset ($_SESSION['access'])
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|| isset ($_SESSION['skipVisit']))
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return;
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$agent = $_SERVER['HTTP_USER_AGENT'];
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$browser = get_browser ($agent, TRUE);
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if (isset ($browser['crawler']) && $browser['crawler'])
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{
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$_SESSION['skipVisit'] = TRUE;
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return;
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}
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if (isset ($_SERVER['REMOTE_ADDR']))
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$ip = ip2long ($_SERVER['REMOTE_ADDR']);
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$db = $this->app->getSysConn ();
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$row = $db->getRow (
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'CALL visit_register (#, #, #, #, #, #, #, #, #)',
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[
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nullIf ($_COOKIE, 'vn_visit')
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,nullIf ($browser, 'platform')
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,nullIf ($browser, 'browser')
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,nullIf ($browser, 'version')
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,nullIf ($browser, 'javascript')
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,nullIf ($browser, 'cookies')
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,isset ($agent) ? $agent : NULL
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,isset ($ip) && $ip ? $ip : NULL
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,nullIf ($_SERVER, 'HTTP_REFERER')
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]
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);
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if (isset ($row['access']))
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{
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setcookie ('vn_visit', $row['visit'], time () + 31536000); // 1 Year
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$_SESSION['access'] = $row['access'];
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}
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else
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$_SESSION['skipVisit'] = TRUE;
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}
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/**
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* Checks if the HTTP connection is secure.
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*
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* @return boolean Return %TRUE if its secure, %FALSE otherwise
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**/
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function isHttps ()
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{
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return isset ($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on';
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}
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/**
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* Obtains the application version number. It is based on de last
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* modification date of the main script.
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**/
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function getVersion ()
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{
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return (int) strftime ('%G%m%d%H%M%S',
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filectime ($_SERVER['SCRIPT_FILENAME']));
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}
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}
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?>
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