Example #1
0
/**
 * The default implementation.
 */
function Q_errors($params)
{
    extract($params);
    /**
     * @var Exception $exception
     * @var boolean $startedResponse
     */
    if (!empty($exception)) {
        Q_Response::addError($exception);
    }
    $errors = Q_Response::getErrors();
    $errors_array = Q_Exception::toArray($errors);
    // Simply return the errors, if this was an AJAX request
    if ($is_ajax = Q_Request::isAjax()) {
        try {
            $errors_json = @Q::json_encode($errors_array);
        } catch (Exception $e) {
            $errors_array = array_slice($errors_array, 0, 1);
            unset($errors_array[0]['trace']);
            $errors_json = @Q::json_encode($errors_array);
        }
        $json = "{\"errors\": {$errors_json}}";
        $callback = Q_Request::callback();
        switch (strtolower($is_ajax)) {
            case 'iframe':
                if (!Q_Response::$batch) {
                    header("Content-type: text/html");
                }
                echo <<<EOT
<!doctype html><html lang=en>
<head><meta charset=utf-8><title>Q Result</title></head>
<body>
<script type="text/javascript">
window.result = function () { return {$json} };
</script>
</body>
</html>
EOT;
                break;
            case 'json':
            default:
                header("Content-type: " . ($callback ? "application/javascript" : "application/json"));
                echo $callback ? "{$callback}({$json})" : $json;
        }
        return;
    }
    // Forward internally, if it was requested
    if ($onErrors = Q_Request::special('onErrors', null)) {
        $uri1 = Q_Dispatcher::uri();
        $uri2 = Q_Uri::from($onErrors);
        $url2 = $uri2->toUrl();
        if (!isset($uri2)) {
            throw new Q_Exception_WrongValue(array('field' => 'onErrors', 'range' => 'an internal URI reachable from a URL'));
        }
        if ($uri1->toUrl() !== $url2) {
            Q_Dispatcher::forward($uri2);
            return;
            // we don't really need this, but it's here anyway
        }
    }
    $params2 = compact('errors', 'exception', 'errors_array', 'exception_array');
    if (Q::eventStack('Q/response')) {
        // Errors happened while rendering response. Just render errors view.
        return Q::view('Q/errors.php', $params2);
    }
    if (!$startedResponse) {
        try {
            // Try rendering the response, expecting it to
            // display the errors along with the rest.
            $ob = new Q_OutputBuffer();
            Q::event('Q/response', $params2);
            $ob->endFlush();
            return;
        } catch (Exception $e) {
            if (get_class($e) === 'Q_Exception_DispatcherForward') {
                throw $e;
                // if forwarding was requested, do it
                // for all other errors, continue trying other things
            }
            $output = $ob->getClean();
        }
    }
    if ($errors) {
        // Try rendering the app's errors response, if any.
        $app = Q::app();
        if (Q::canHandle("{$app}/errors/response/content")) {
            Q_Dispatcher::forward("{$app}/errors");
        } else {
            echo Q::view("Q/errors.php", compact('errors'));
        }
    }
    if (!empty($e)) {
        return Q::event('Q/exception', array('exception' => $e));
    }
}
Example #2
0
function Q_exception_native($params)
{
    extract($params);
    /**
     * @var Exception $exception 
     */
    if ($is_ajax = Q_Request::isAjax()) {
        $json = @Q::json_encode(array('errors' => Q_Exception::toArray(array($exception))));
        $callback = Q_Request::callback();
        switch (strtolower($is_ajax)) {
            case 'iframe':
                // Render an HTML layout for ajax
                if (!Q_Response::$batch) {
                    header("Content-type: text/html");
                }
                echo <<<EOT
<!doctype html><html lang=en>
<head><meta charset=utf-8><title>Q Result</title></head>
<body>
<script type="text/javascript">
window.result = function () { return {$json} };
</script>
</body>
</html>
EOT;
                break;
            case 'json':
                // Render a JSON layout for ajax
            // Render a JSON layout for ajax
            default:
                header("Content-type: " . ($callback ? "application/javascript" : "application/json"));
                echo $callback ? "{$callback}({$json})" : $json;
        }
    } else {
        if (Q::textMode()) {
            echo Q_Exception::coloredString($exception);
            exit;
        }
        $message = $exception->getMessage();
        $file = $exception->getFile();
        $line = $exception->getLine();
        if (is_callable(array($exception, 'getTraceAsStringEx'))) {
            $trace_string = $exception->getTraceAsStringEx();
        } else {
            $trace_string = $exception->getTraceAsString();
        }
        if ($exception instanceof Q_Exception_PhpError or !empty($exception->messageIsHtml)) {
            // do not sanitize $message
        } else {
            $message = Q_Html::text($message);
        }
        $content = "<h1 class='exception_message'>{$message}</h1>";
        if (Q_Config::get('Q', 'exception', 'showFileAndLine', true)) {
            $content .= "<h3 class='exception_fileAndLine'>in {$file} ({$line})</h3>";
        }
        if (Q_Config::get('Q', 'exception', 'showTrace', true)) {
            $content .= "<pre class='exception_trace'>{$trace_string}</pre>";
        }
        $content .= str_repeat(' ', 512);
        // because of chrome
        $title = "Exception occurred";
        $dashboard = "";
        echo Q::view('Q/layout/html.php', compact('content', 'dashboard', 'title'));
    }
    $app = Q_Config::get('Q', 'app', null);
    $colored = Q_Exception::coloredString($exception);
    Q::log("{$app}: Exception in " . ceil(Q::milliseconds()) . "ms:\n\n{$colored}\n", null, true, array('maxLength' => 10000));
}
Example #3
0
/**
 * Default Q/response handler.
 * 1. Gets some slots, depending on what was requested.
 * 2. Renders them in a layout
 *    The layout expects "title", "dashboard" and "contents" slots to be filled.
 */
function Q_response($params)
{
    extract($params);
    /**
     * @var Exception $exception
     * @var array $errors
     */
    if (empty($errors)) {
        $errors = Q_Response::getErrors();
    }
    if (!empty($_GET['Q_ct'])) {
        Q_Response::setCookie('Q_ct', $_GET['Q_ct']);
    }
    // If output is set, use that
    $output = Q_Response::output();
    if (isset($output)) {
        if ($output === true) {
            return;
        }
        if (is_string($output)) {
            echo $output;
        }
        return;
    }
    // Redirect to success page, if requested.
    $isAjax = Q_Request::isAjax();
    if (empty($errors) and empty($exception)) {
        if (!$isAjax and null !== Q_Request::special('onSuccess', null)) {
            $onSuccess = Q_Request::special('onSuccess', null);
            if (Q_Config::get('Q', 'response', 'onSuccessShowFrom', true)) {
                $onSuccess = Q_Uri::url($onSuccess . '?Q.fromSuccess=' . Q_Dispatcher::uri());
            }
            Q_Response::redirect($onSuccess);
            return;
        }
    }
    // Get the requested module
    $uri = Q_Dispatcher::uri();
    if (!isset($module)) {
        $module = $uri->module;
        if (!isset($module)) {
            $module = 'Q';
            Q_Dispatcher::uri()->module = 'Q';
        }
    }
    if (!$isAjax || Q_Request::isLoadExtras()) {
        Q::event('Q/responseExtras', array(), 'before');
    }
    // Get the main module (the app)
    $app = Q_Config::expect('Q', 'app');
    $action = $uri->action;
    if (Q::canHandle("{$module}/{$action}/response")) {
        if (false === Q::event("{$module}/{$action}/response") and !$isAjax) {
            return;
        }
    }
    $slotNames = Q_Request::slotNames(true);
    $idPrefixes = array();
    if ($temp = Q_Request::special('idPrefixes', null)) {
        foreach (explode(',', $temp) as $i => $prefix) {
            if (!isset($slotNames[$i])) {
                throw new Q_Exception("More id prefixes than slot names", "Q.idPrefixes");
            }
            $idPrefixes[$slotNames[$i]] = $prefix;
        }
    }
    // What to do if this is an AJAX request
    if ($isAjax) {
        $to_encode = array();
        if (Q_Response::$redirected) {
            // We already called Q_Response::redirect
            $to_encode['redirect']['url'] = Q_Uri::url(Q_Response::$redirected);
            try {
                $to_encode['redirect']['uri'] = Q_Uri::from(Q_Response::$redirected)->toArray();
            } catch (Exception $e) {
                // couldn't get internal URI
            }
        } else {
            if (is_array($slotNames)) {
                foreach ($slotNames as $slotName) {
                    Q_Response::fillSlot($slotName, 'default', Q::ifset($idPrefixes, $slotName, null));
                }
                // Go through the slots again, because other handlers may have overwritten
                // their contents using Q_Response::setSlot()
                foreach ($slotNames as $sn) {
                    Q_Response::fillSlot($sn, 'default', Q::ifset($idPrefixes, $slotName, null));
                }
                if (Q_Response::$redirected) {
                    // While rendering the slots we called Q_Redirect
                    $to_encode['redirect']['url'] = Q_Uri::url(Q_Response::$redirected);
                    try {
                        $to_encode['redirect']['uri'] = Q_Uri::from(Q_Response::$redirected)->toArray();
                    } catch (Exception $e) {
                        // couldn't get internal URI
                    }
                } else {
                    if (Q_Request::isLoadExtras()) {
                        $to_encode['slots'] = Q_Response::slots(true);
                        // add stylesheets, stylesinline, scripts, scriptlines, scriptdata, templates
                        foreach (array_merge(array(''), $slotNames) as $slotName) {
                            $temp = Q_Response::stylesheetsArray($slotName);
                            if ($temp) {
                                $to_encode['stylesheets'][$slotName] = $temp;
                            }
                            $temp = Q_Response::stylesInline($slotName);
                            if ($temp) {
                                $to_encode['stylesInline'][$slotName] = $temp;
                            }
                            $temp = Q_Response::scriptsArray($slotName);
                            if ($temp) {
                                $to_encode['scripts'][$slotName] = $temp;
                            }
                            $temp = Q_Response::scriptLines($slotName, true, "\n", false);
                            if ($temp) {
                                $to_encode['scriptLines'][$slotName] = $temp;
                            }
                            $temp = Q_Response::scriptData($slotName);
                            if ($temp) {
                                $to_encode['scriptData'][$slotName] = $temp;
                            }
                            $temp = Q_Response::templateData($slotName);
                            if ($temp) {
                                $to_encode['templates'][$slotName] = $temp;
                            }
                        }
                    } else {
                        $to_encode['slots'] = Q_Response::slots(true);
                        // add stylesinline, scriptlines, scriptdata, templates
                        foreach (array_merge(array(''), $slotNames) as $slotName) {
                            $temp = Q_Response::stylesInline($slotName);
                            if ($temp) {
                                $to_encode['stylesInline'][$slotName] = $temp;
                            }
                            $temp = Q_Response::scriptData($slotName);
                            if ($temp) {
                                $to_encode['scriptData'][$slotName] = $temp;
                            }
                            $temp = Q_Response::scriptLines($slotName, true, "\n", false);
                            if ($temp) {
                                $to_encode['scriptLines'][$slotName] = $temp;
                            }
                        }
                    }
                }
            }
        }
        $to_encode['timestamp'] = microtime(true);
        $echo = Q_Request::contentToEcho();
        if (isset($echo)) {
            $to_encode['echo'] = $echo;
        }
        $json = Q::json_encode(Q::cutoff($to_encode));
        $callback = Q_Request::callback();
        switch (strtolower($isAjax)) {
            case 'iframe':
                if (!Q_Response::$batch) {
                    header("Content-type: text/html");
                }
                echo <<<EOT
<!doctype html><html lang=en>
<head><meta charset=utf-8><title>Q Result</title></head>
<body>
<script type="text/javascript">
window.result = function () { return {$json} };
</script>
</body>
</html>
EOT;
                break;
            case 'json':
            default:
                if (!Q_Response::$batch) {
                    header("Content-type: " . ($callback ? "application/javascript" : "application/json"));
                }
                echo $callback ? "{$callback}({$json})" : $json;
        }
        return;
    }
    // If this is a request for a regular webpage,
    // fill the usual slots and render a layout.
    if (Q_Response::$redirected) {
        return;
        // If already set a redirect header, simply return -- no reason to output all this HTML
    }
    static $added_Q_init = false;
    if (!$added_Q_init) {
        Q_Response::addScriptLine("\n// Now, initialize Q\nQ.init();\n", null, 'Q');
        $added_Q_init = true;
    }
    // Get all the usual slots for a webpage
    $slots = array();
    foreach ($slotNames as $sn) {
        Q_Response::fillSlot($sn, 'default', Q::ifset($idPrefixes, $sn, null));
    }
    // Go through the slots again, because other handlers may have overwritten
    // their contents using Q_Response::setSlot()
    foreach ($slotNames as $sn) {
        Q_Response::fillSlot($sn, 'default', Q::ifset($idPrefixes, $sn, null));
    }
    $output = Q_Response::output();
    if (isset($output)) {
        if ($output === true) {
            return;
        }
        if (is_string($output)) {
            echo $output;
        }
        return;
    }
    if (!$isAjax or Q_Request::isLoadExtras()) {
        Q::event('Q/responseExtras', array(), 'after');
    }
    $slots = Q_Response::slots(false);
    // Render a full HTML layout
    $layout_view = Q_Response::layoutView();
    echo Q::view($layout_view, $slots);
}