function get_vars($vars_order = array())
{
    if (is_string($vars_order)) {
        $vars_order = explode(' ', $vars_order);
    } else {
        if (empty($vars_order) || !is_array($vars_order)) {
            $vars_order = array('OLDGET', 'POST', 'URI', 'GET');
            // Default order
        }
    }
    $vars = array();
    foreach ($vars_order as $order) {
        $order = strtoupper($order);
        switch ($order) {
            case 'OLDGET':
                // Parse GET variables into $vars for backwards compatibility
                // Can probably remove this soon
                foreach ($_GET as $key => $get_var) {
                    if (strstr($key, "opt")) {
                        list($name, $value) = explode("|", $get_var);
                        if (!isset($value)) {
                            $value = "yes";
                        }
                        if (!isset($vars[$name])) {
                            $vars[$name] = $value;
                        }
                    }
                }
                break;
            case 'POST':
                // Parse POST variables into $vars
                foreach ($_POST as $name => $value) {
                    if (!isset($vars[$name])) {
                        $vars[$name] = var_decode($value);
                    }
                }
                break;
            case 'URI':
            case 'URL':
                // Parse URI into $vars
                $segments = explode('/', trim($_SERVER['REQUEST_URI'], '/'));
                foreach ($segments as $pos => $segment) {
                    //$segment = urldecode($segment);
                    if ($pos == "0" && strpos($segment, '=') === FALSE) {
                        $segment = urldecode($segment);
                        $vars['page'] = $segment;
                    } else {
                        list($name, $value) = explode('=', $segment, 2);
                        if (!isset($vars[$name])) {
                            if (!isset($value) || $value === '') {
                                $vars[$name] = 'yes';
                            } else {
                                $value = str_replace('%7F', '/', urldecode($value));
                                // %7F (DEL, delete) - not defined in HTML 4 standard
                                if (strpos($value, ',')) {
                                    // Here commas list (convert to array)
                                    $vars[$name] = explode(',', $value);
                                } else {
                                    // Here can be string as encoded array
                                    $vars[$name] = var_decode($value);
                                    if (strpos($vars[$name], '%1F') !== FALSE) {
                                        $vars[$name] = str_replace('%1F', ',', $vars[$name]);
                                        // %1F (US, unit separator) - not defined in HTML 4 standard
                                    }
                                }
                            }
                        }
                    }
                }
                break;
            case 'GET':
                // Parse GET variable into $vars
                foreach ($_GET as $name => $value) {
                    if (!isset($vars[$name])) {
                        $value = str_replace('%7F', '/', urldecode($value));
                        // %7F (DEL, delete) - not defined in HTML 4 standard
                        if (strpos($value, ',')) {
                            // Here commas list (convert to array)
                            $vars[$name] = explode(',', $value);
                        } else {
                            // Here can be string as encoded array
                            $vars[$name] = var_decode($value);
                            if (strpos($vars[$name], '%1F') !== FALSE) {
                                $vars[$name] = str_replace('%1F', ',', $vars[$name]);
                                // %1F (US, unit separator) - not defined in HTML 4 standard
                            }
                        }
                    }
                }
                break;
        }
    }
    // Always convert location to array
    if (isset($vars['location'])) {
        if ($vars['location'] === '') {
            // Unset location if is empty string
            unset($vars['location']);
        } else {
            if (is_array($vars['location'])) {
                // Additionaly decode locations if array entries encoded
                foreach ($vars['location'] as $k => $location) {
                    $vars['location'][$k] = var_decode($location);
                }
            } else {
                // All other location strings covert to array
                $vars['location'] = array($vars['location']);
            }
        }
    }
    //r($vars);
    return $vars;
}
Ejemplo n.º 2
0
function get_vars($vars_order = array())
{
    if (is_string($vars_order)) {
        $vars_order = explode(' ', $vars_order);
    } else {
        if (empty($vars_order) || !is_array($vars_order)) {
            $vars_order = array('POST', 'URI', 'GET');
            // Default order
        }
    }
    // XSS script regex
    $prevent_xss = '!<\\s*/?\\s*s\\s*c\\s*r\\s*i\\s*p\\s*t\\s*>!i';
    // <sCrIpT> < / s c r i p t >
    $vars = array();
    foreach ($vars_order as $order) {
        $order = strtoupper($order);
        switch ($order) {
            case 'POST':
                // Parse POST variables into $vars
                foreach ($_POST as $name => $value) {
                    if (!isset($vars[$name])) {
                        $vars[$name] = var_decode($value);
                        if (preg_match($prevent_xss, $vars[$name])) {
                            // Prevent any <script> html tag inside vars, exclude any possible XSS with scripts
                            unset($vars[$name]);
                        }
                    }
                }
                break;
            case 'URI':
            case 'URL':
                // Parse URI into $vars
                $segments = explode('/', trim($_SERVER['REQUEST_URI'], '/'));
                foreach ($segments as $pos => $segment) {
                    //$segment = urldecode($segment);
                    if ($pos == "0" && strpos($segment, '=') === FALSE) {
                        $segment = urldecode($segment);
                        $vars['page'] = $segment;
                    } else {
                        list($name, $value) = explode('=', $segment, 2);
                        if (!isset($vars[$name])) {
                            if (!isset($value) || $value === '') {
                                $vars[$name] = 'yes';
                            } else {
                                $value = str_replace('%7F', '/', urldecode($value));
                                // %7F (DEL, delete) - not defined in HTML 4 standard
                                if (preg_match($prevent_xss, $value)) {
                                    // Prevent any <script> html tag inside vars, exclude any possible XSS with scripts
                                    continue;
                                }
                                if (strpos($value, ',')) {
                                    // Here commas list (convert to array)
                                    $vars[$name] = explode(',', $value);
                                } else {
                                    // Here can be string as encoded array
                                    $vars[$name] = var_decode($value);
                                    if (is_string($vars[$name]) && preg_match($prevent_xss, $vars[$name])) {
                                        // Prevent any <script> html tag inside vars, exclude any possible XSS with scripts
                                        unset($vars[$name]);
                                    }
                                }
                                if (strpos($vars[$name], '%1F') !== FALSE) {
                                    $vars[$name] = str_replace('%1F', ',', $vars[$name]);
                                    // %1F (US, unit separator) - not defined in HTML 4 standard
                                }
                            }
                        }
                    }
                }
                break;
            case 'GET':
                // Parse GET variable into $vars
                foreach ($_GET as $name => $value) {
                    if (!isset($vars[$name])) {
                        $value = str_replace('%7F', '/', urldecode($value));
                        // %7F (DEL, delete) - not defined in HTML 4 standard
                        if (preg_match($prevent_xss, $value)) {
                            // Prevent any <script> html tag inside vars, exclude any possible XSS with scripts
                            continue;
                        }
                        if (strpos($value, ',')) {
                            // Here commas list (convert to array)
                            $vars[$name] = explode(',', $value);
                        } else {
                            // Here can be string as encoded array
                            $vars[$name] = var_decode($value);
                            if (is_string($vars[$name]) && preg_match($prevent_xss, $vars[$name])) {
                                // Prevent any <script> html tag inside vars, exclude any possible XSS with scripts
                                unset($vars[$name]);
                            }
                        }
                        if (strpos($vars[$name], '%1F') !== FALSE) {
                            $vars[$name] = str_replace('%1F', ',', $vars[$name]);
                            // %1F (US, unit separator) - not defined in HTML 4 standard
                        }
                    }
                }
                break;
        }
    }
    // Always convert location to array
    if (isset($vars['location'])) {
        if ($vars['location'] === '') {
            // Unset location if is empty string
            unset($vars['location']);
        } else {
            if (is_array($vars['location'])) {
                // Additionaly decode locations if array entries encoded
                foreach ($vars['location'] as $k => $location) {
                    $vars['location'][$k] = var_decode($location);
                }
            } else {
                // All other location strings covert to array
                $vars['location'] = array($vars['location']);
            }
        }
    }
    //r($vars);
    return $vars;
}
Ejemplo n.º 3
0
 /**
  * @dataProvider providerVarDecodeWrong
  * @group vars
  */
 public function testVarDecodeWrong($result, $method, $string)
 {
     $this->assertSame($result, var_decode($string, $method));
 }