/**
* Returns an instance with a given number of DSNs
*
* @param [:string] dsns
* @return rdbms.ConnectionManager
*/
protected function instanceWith($dsns)
{
$properties = '';
foreach ($dsns as $name => $dsn) {
$properties .= '[' . $name . "]\ndsn=\"" . $dsn . "\"\n";
}
$cm = \rdbms\ConnectionManager::getInstance();
$cm->configure(Properties::fromString($properties));
return $cm;
}
/**
* Returns an instance with a given number of DSNs
*
* @param [:string] dsns
* @return rdbms.ConnectionManager
*/
protected function instanceWith($dsns)
{
$cm = ConnectionManager::getInstance();
foreach ($dsns as $name => $dsn) {
if (false !== ($p = strpos($name, '.'))) {
$cm->queue($dsn, substr($name, 0, $p), substr($name, $p + 1));
} else {
$cm->queue($dsn, $name);
}
}
return $cm;
}
/**
* Returns an instance with a given number of DSNs
*
* @param [:string] dsns
* @return rdbms.ConnectionManager
*/
protected function instanceWith($dsns)
{
$properties = '';
foreach ($dsns as $name => $dsn) {
$properties .= '[' . $name . "]\ndsn=\"" . $dsn . "\"\n";
}
$p = new Properties(null);
$p->load(new MemoryInputStream($properties));
$cm = ConnectionManager::getInstance();
$cm->configure($p);
return $cm;
}
/**
* Entry point method. Receives the following arguments from xpws:
*
* - The web root - defaults to $CWD
* - The configuration directory - defaults to "etc"
* - The server profile - default to "dev"
* - The server address - default to "localhost:8080"
* - The mode - default to "serve"
*
* @param string[] args
* @return int
*/
public static function main(array $args)
{
$webroot = isset($args[0]) ? realpath($args[0]) : getcwd();
$configd = isset($args[1]) ? $args[1] : 'etc';
$profile = isset($args[2]) ? $args[2] : 'dev';
$address = isset($args[3]) ? $args[3] : 'localhost:8080';
if (!($class = @self::$modes[isset($args[4]) ? $args[4] : 'serve'])) {
Console::writeLine('*** Unkown server mode "', $args[4], '", supported: ', self::$modes);
return 2;
}
$expand = function ($in) use($webroot, $profile) {
return strtr($in, array('{WEBROOT}' => $webroot, '{PROFILE}' => $profile, '{DOCUMENT_ROOT}' => getenv('DOCUMENT_ROOT')));
};
Console::writeLine('---> Startup ', $class, '(', $address, ')');
sscanf($address, '%[^:]:%d', $host, $port);
$server = XPClass::forName($class)->newInstance($host, $port);
with($pm = PropertyManager::getInstance(), $protocol = $server->setProtocol(new HttpProtocol()));
$conf = new WebConfiguration(new \util\Properties($configd . DIRECTORY_SEPARATOR . 'web.ini'));
$resources = $conf->staticResources($args[2]);
if (null === $resources) {
$protocol->setUrlHandler('default', '#^/#', new FileHandler($expand('{DOCUMENT_ROOT}'), $notFound = function () {
return HttpConstants::STATUS_CONTINUE;
}));
} else {
foreach ($conf->staticResources($args[2]) as $pattern => $location) {
$protocol->setUrlHandler('default', '#' . strtr($pattern, array('#' => '\\#')) . '#', new FileHandler($expand($location)));
}
}
foreach ($conf->mappedApplications($args[2]) as $url => $application) {
foreach (explode('|', $application->getConfig()) as $element) {
$expanded = $expand($element);
if (0 == strncmp('res://', $expanded, 6)) {
$pm->appendSource(new ResourcePropertySource(substr($expanded, 6)));
} else {
$pm->appendSource(new FilesystemPropertySource($expanded));
}
}
$protocol->setUrlHandler('default', '/' == $url ? '##' : '#^(' . preg_quote($url, '#') . ')($|/.+)#', new ScriptletHandler($application->getScriptlet(), array_map($expand, $application->getArguments()), array_map($expand, array_merge($application->getEnvironment(), array('DOCUMENT_ROOT' => getenv('DOCUMENT_ROOT'))))));
}
$l = Logger::getInstance();
$pm->hasProperties('log') && $l->configure($pm->getProperties('log'));
$cm = ConnectionManager::getInstance();
$pm->hasProperties('database') && $cm->configure($pm->getProperties('database'));
Console::writeLine($protocol);
$server->init();
Console::writeLine('===> Server started');
$server->service();
$server->shutdown();
return 0;
}
/**
* Serve requests
*
* @param string $source
* @param string $profile
* @param io.Path $webroot
* @param io.Path $docroot
* @param string[] $config
*/
public function serve($source, $profile, $webroot, $docroot, $config)
{
$this->server->init();
$protocol = $this->server->setProtocol(new HttpProtocol(function ($host, $method, $query, $status, $error) {
Console::writeLinef(" [33m[%s %d %.3fkB][0m %d %s %s", date('Y-m-d H:i:s'), getmypid(), memory_get_usage() / 1024, $status, $method, $query, $error);
}));
$pm = PropertyManager::getInstance();
$expand = function ($in) use($webroot, $profile, $docroot) {
return is_string($in) ? strtr($in, ['{WEBROOT}' => $webroot, '{PROFILE}' => $profile, '{DOCUMENT_ROOT}' => $docroot]) : $in;
};
$layout = (new Source($source, new Config($config, $expand)))->layout();
Console::writeLine("[33m@", $this, "[0m");
Console::writeLine("[1mServing ", $layout);
Console::writeLine("[36m", str_repeat('═', 72), "[0m");
Console::writeLine();
$resources = $layout->staticResources($profile);
if (null === $resources) {
$protocol->setUrlHandler('default', '#^/#', new FileHandler($docroot, $notFound = function () {
return null;
}));
} else {
foreach ($resources as $pattern => $location) {
$protocol->setUrlHandler('default', '#' . strtr($pattern, ['#' => '\\#']) . '#', new FileHandler($expand($location)));
}
}
foreach ($layout->mappedApplications($profile) as $url => $application) {
$protocol->setUrlHandler('default', '/' === $url ? '##' : '#^(' . preg_quote($url, '#') . ')($|/.+)#', new ScriptletHandler($application->scriptlet(), array_map($expand, $application->arguments()), array_map($expand, array_merge($application->environment(), ['DOCUMENT_ROOT' => $docroot])), $application->filters()));
foreach ($application->config()->sources() as $s) {
$pm->appendSource($s);
}
}
$l = Logger::getInstance();
$pm->hasProperties('log') && $l->configure($pm->getProperties('log'));
$cm = ConnectionManager::getInstance();
$pm->hasProperties('database') && $cm->configure($pm->getProperties('database'));
Console::writeLine("[33;1m>[0m Server started: [35;4m", $this->url, "[0m (", date('r'), ')');
Console::writeLine(' PID ', getmypid(), '; press Ctrl+C to exit');
Console::writeLine();
$this->server->service();
$this->server->shutdown();
}
/**
* Creates the scriptlet instance for the given URL and runs it
*
* @param string url default '/'
*/
public function run($url = '/')
{
// Determine which scriptlet should be run
$application = $this->applicationAt($url);
// Determine debug level
$flags = $application->getDebug();
// Initializer logger, properties and connections to property base,
// defaulting to the same directory the web.ini resides in
$pm = PropertyManager::getInstance();
foreach (explode('|', $application->getConfig()) as $element) {
$expanded = $this->expand($element);
if (0 == strncmp('res://', $expanded, 6)) {
$pm->appendSource(new ResourcePropertySource($expanded));
} else {
$pm->appendSource(new FilesystemPropertySource($expanded));
}
}
$l = Logger::getInstance();
$pm->hasProperties('log') && $l->configure($pm->getProperties('log'));
$cm = ConnectionManager::getInstance();
$pm->hasProperties('database') && $cm->configure($pm->getProperties('database'));
// Setup logger context for all registered log categories
foreach (Logger::getInstance()->getCategories() as $category) {
if (null === ($context = $category->getContext()) || !$context instanceof EnvironmentAware) {
continue;
}
$context->setHostname($_SERVER['SERVER_NAME']);
$context->setRunner($this->getClassName());
$context->setInstance($application->getScriptlet());
$context->setResource($url);
$context->setParams($_SERVER['QUERY_STRING']);
}
// Set environment variables
foreach ($application->getEnvironment() as $key => $value) {
$_SERVER[$key] = $this->expand($value);
}
// Instantiate and initialize
$cat = $l->getCategory('scriptlet');
$instance = null;
$e = null;
try {
$class = \lang\XPClass::forName($application->getScriptlet());
if (!$class->hasConstructor()) {
$instance = $class->newInstance();
} else {
$args = array();
foreach ($application->getArguments() as $arg) {
$args[] = $this->expand($arg);
}
$instance = $class->getConstructor()->newInstance($args);
}
if ($flags & WebDebug::TRACE && $instance instanceof \util\log\Traceable) {
$instance->setTrace($cat);
}
$instance->init();
// Service
$response = $instance->process();
} catch (\scriptlet\ScriptletException $e) {
$cat->error($e);
// TODO: Instead of checking for a certain method, this should
// check if the scriptlet class implements a certain interface
if (method_exists($instance, 'fail')) {
$response = $instance->fail($e);
} else {
$response = $this->fail($e, $e->getStatus(), $flags & WebDebug::STACKTRACE);
}
} catch (\lang\SystemExit $e) {
if (0 === $e->getCode()) {
$response = new \scriptlet\HttpScriptletResponse();
$response->setStatus(HttpConstants::STATUS_OK);
if ($message = $e->getMessage()) {
$response->setContent($message);
}
} else {
$cat->error($e);
$response = $this->fail($e, HttpConstants::STATUS_INTERNAL_SERVER_ERROR, false);
}
} catch (\lang\Throwable $e) {
$cat->error($e);
// Here, we might not have a scriptlet
$response = $this->fail($e, HttpConstants::STATUS_PRECONDITION_FAILED, $flags & WebDebug::STACKTRACE);
}
// Send output
$response->isCommitted() || $response->flush();
$response->sendContent();
// Call scriptlet's finalizer
$instance && $instance->finalize();
// Debugging
if ($flags & WebDebug::XML && isset($response->document)) {
flush();
echo '<xmp>', $response->document->getDeclaration() . "\n" . $response->document->getSource(0), '</xmp>';
}
if ($flags & WebDebug::ERRORS) {
flush();
echo '<xmp>', $e ? $e->toString() : '', \xp::stringOf(\xp::$errors), '</xmp>';
}
}
/**
* Main method
*
* @param util.cmd.ParamString params
* @return int
*/
public function run(ParamString $params)
{
// No arguments given - show our own usage
if ($params->count < 1) {
return self::usage();
}
// Configure properties
$pm = PropertyManager::getInstance();
// Separate runner options from class options
for ($offset = 0, $i = 0; $i < $params->count; $i++) {
switch ($params->list[$i]) {
case '-c':
if (0 == strncmp('res://', $params->list[$i + 1], 6)) {
$pm->appendSource(new ResourcePropertySource(substr($params->list[$i + 1], 6)));
} else {
$pm->appendSource(new FilesystemPropertySource($params->list[$i + 1]));
}
$offset += 2;
$i++;
break;
case '-cp':
\lang\ClassLoader::registerPath($params->list[$i + 1], null);
$offset += 2;
$i++;
break;
case '-v':
$this->verbose = true;
$offset += 1;
$i++;
break;
case '-?':
return self::usage();
default:
break 2;
}
}
// Sanity check
if (!$params->exists($offset)) {
self::$err->writeLine('*** Missing classname');
return 1;
}
// Use default path for PropertyManager if no sources set
if (!$pm->getSources()) {
$pm->configure(self::DEFAULT_CONFIG_PATH);
}
unset($params->list[-1]);
$classname = $params->value($offset);
$classparams = new ParamString(array_slice($params->list, $offset + 1));
// Class file or class name
if (strstr($classname, \xp::CLASS_FILE_EXT)) {
$file = new \io\File($classname);
if (!$file->exists()) {
self::$err->writeLine('*** Cannot load class from non-existant file ', $classname);
return 1;
}
try {
$class = \lang\ClassLoader::getDefault()->loadUri($file->getURI());
} catch (\lang\ClassNotFoundException $e) {
self::$err->writeLine('*** ', $this->verbose ? $e : $e->getMessage());
return 1;
}
} else {
try {
$class = \lang\XPClass::forName($classname);
} catch (\lang\ClassNotFoundException $e) {
self::$err->writeLine('*** ', $this->verbose ? $e : $e->getMessage());
return 1;
}
}
// Check whether class is runnable
if (!$class->isSubclassOf('lang.Runnable')) {
self::$err->writeLine('*** ', $class->getName(), ' is not runnable');
return 1;
}
// Usage
if ($classparams->exists('help', '?')) {
self::showUsage($class);
return 0;
}
// Load, instantiate and initialize
$l = Logger::getInstance();
$pm->hasProperties('log') && $l->configure($pm->getProperties('log'));
if (class_exists('rdbms\\DBConnection')) {
// FIXME: Job of XPInjector?
$cm = ConnectionManager::getInstance();
$pm->hasProperties('database') && $cm->configure($pm->getProperties('database'));
}
// Setup logger context for all registered log categories
foreach (Logger::getInstance()->getCategories() as $category) {
if (null === ($context = $category->getContext()) || !$context instanceof EnvironmentAware) {
continue;
}
$context->setHostname(\lang\System::getProperty('host.name'));
$context->setRunner(nameof($this));
$context->setInstance($class->getName());
$context->setResource(null);
$context->setParams($params->string);
}
$instance = $class->newInstance();
$instance->in = self::$in;
$instance->out = self::$out;
$instance->err = self::$err;
$methods = $class->getMethods();
// Injection
foreach ($methods as $method) {
if (!$method->hasAnnotation('inject')) {
continue;
}
$inject = $method->getAnnotation('inject');
if (isset($inject['type'])) {
$type = $inject['type'];
} else {
if ($restriction = $method->getParameter(0)->getTypeRestriction()) {
$type = $restriction->getName();
} else {
$type = $method->getParameter(0)->getType()->getName();
}
}
try {
switch ($type) {
case 'rdbms.DBConnection':
$args = [$cm->getByHost($inject['name'], 0)];
break;
case 'util.Properties':
$p = $pm->getProperties($inject['name']);
// If a PropertyAccess is retrieved which is not a util.Properties,
// then, for BC sake, convert it into a util.Properties
if ($p instanceof \util\PropertyAccess && !$p instanceof \util\Properties) {
$convert = \util\Properties::fromString('');
$section = $p->getFirstSection();
while ($section) {
// HACK: Properties::writeSection() would first attempts to
// read the whole file, we cannot make use of it.
$convert->_data[$section] = $p->readSection($section);
$section = $p->getNextSection();
}
$args = [$convert];
} else {
$args = [$p];
}
break;
case 'util.log.LogCategory':
$args = [$l->getCategory($inject['name'])];
break;
default:
self::$err->writeLine('*** Unknown injection type "' . $type . '" at method "' . $method->getName() . '"');
return 2;
}
$method->invoke($instance, $args);
} catch (\lang\reflect\TargetInvocationException $e) {
self::$err->writeLine('*** Error injecting ' . $type . ' ' . $inject['name'] . ': ' . $e->getCause()->compoundMessage());
return 2;
} catch (\lang\Throwable $e) {
self::$err->writeLine('*** Error injecting ' . $type . ' ' . $inject['name'] . ': ' . $e->compoundMessage());
return 2;
}
}
// Arguments
foreach ($methods as $method) {
if ($method->hasAnnotation('args')) {
// Pass all arguments
if (!$method->hasAnnotation('args', 'select')) {
$begin = 0;
$end = $classparams->count;
$pass = array_slice($classparams->list, 0, $end);
} else {
$pass = [];
foreach (preg_split('/, ?/', $method->getAnnotation('args', 'select')) as $def) {
if (is_numeric($def) || '-' == $def[0]) {
$pass[] = $classparams->value((int) $def);
} else {
sscanf($def, '[%d..%d]', $begin, $end);
isset($begin) || ($begin = 0);
isset($end) || ($end = $classparams->count - 1);
while ($begin <= $end) {
$pass[] = $classparams->value($begin++);
}
}
}
}
try {
$method->invoke($instance, [$pass]);
} catch (\lang\Throwable $e) {
self::$err->writeLine('*** Error for arguments ' . $begin . '..' . $end . ': ', $this->verbose ? $e : $e->getMessage());
return 2;
}
} else {
if ($method->hasAnnotation('arg')) {
// Pass arguments
$arg = $method->getAnnotation('arg');
if (isset($arg['position'])) {
$name = '#' . ($arg['position'] + 1);
$select = intval($arg['position']);
$short = null;
} else {
if (isset($arg['name'])) {
$name = $select = $arg['name'];
$short = isset($arg['short']) ? $arg['short'] : null;
} else {
$name = $select = strtolower(preg_replace('/^set/', '', $method->getName()));
$short = isset($arg['short']) ? $arg['short'] : null;
}
}
if (0 == $method->numParameters()) {
if (!$classparams->exists($select, $short)) {
continue;
}
$args = [];
} else {
if (!$classparams->exists($select, $short)) {
list($first, ) = $method->getParameters();
if (!$first->isOptional()) {
self::$err->writeLine('*** Argument ' . $name . ' does not exist!');
return 2;
}
$args = [];
} else {
$args = [$classparams->value($select, $short)];
}
}
try {
$method->invoke($instance, $args);
} catch (\lang\reflect\TargetInvocationException $e) {
self::$err->writeLine('*** Error for argument ' . $name . ': ', $this->verbose ? $e->getCause() : $e->getCause()->compoundMessage());
return 2;
}
}
}
}
try {
$instance->run();
} catch (\lang\Throwable $t) {
self::$err->writeLine('*** ', $t->toString());
return 70;
// EX_SOFTWARE according to sysexits.h
}
return 0;
}
public static function registerConnection()
{
\rdbms\ConnectionManager::getInstance()->register(new MySQLConnection(new DSN('mysql://localhost:3306/')), 'jobs');
}
/**
* Runs class
*
* @param string $command
* @param util.cmd.ParamString $params
* @param util.cmd.Config $config
* @return int
*/
protected function runCommand($command, $params, $config)
{
try {
$class = Commands::named($command);
} catch (Throwable $e) {
self::$err->writeLine('*** ', $this->verbose ? $e : $e->getMessage());
return 1;
}
// Usage
if ($params->exists('help', '?')) {
$this->commandUsage($class);
return 0;
}
// BC: PropertyManager, Logger, ConnectionManager instances
$pm = PropertyManager::getInstance();
$pm->setSources($config->sources());
$l = Logger::getInstance();
$pm->hasProperties('log') && $l->configure($pm->getProperties('log'));
if (class_exists('rdbms\\DBConnection')) {
// FIXME: Job of XPInjector?
$cm = ConnectionManager::getInstance();
$pm->hasProperties('database') && $cm->configure($pm->getProperties('database'));
}
// Setup logger context for all registered log categories
foreach (Logger::getInstance()->getCategories() as $category) {
if (null === ($context = $category->getContext()) || !$context instanceof EnvironmentAware) {
continue;
}
$context->setHostname(System::getProperty('host.name'));
$context->setRunner(nameof($this));
$context->setInstance($class->getName());
$context->setResource(null);
$context->setParams($params->string);
}
if ($class->hasMethod('newInstance')) {
$instance = $class->getMethod('newInstance')->invoke(null, [$config]);
} else {
if ($class->hasConstructor()) {
$instance = $class->newInstance($config);
} else {
$instance = $class->newInstance();
}
}
$instance->in = self::$in;
$instance->out = self::$out;
$instance->err = self::$err;
$methods = $class->getMethods();
// Injection
foreach ($methods as $method) {
if (!$method->hasAnnotation('inject')) {
continue;
}
$inject = $method->getAnnotation('inject');
if (isset($inject['type'])) {
$type = $inject['type'];
} else {
if ($restriction = $method->getParameter(0)->getTypeRestriction()) {
$type = $restriction->getName();
} else {
$type = $method->getParameter(0)->getType()->getName();
}
}
try {
switch ($type) {
case 'rdbms.DBConnection':
$args = [$cm->getByHost($inject['name'], 0)];
break;
case 'util.Properties':
$p = $pm->getProperties($inject['name']);
// If a PropertyAccess is retrieved which is not a util.Properties,
// then, for BC sake, convert it into a util.Properties
if ($p instanceof PropertyAccess && !$p instanceof Properties) {
$convert = new Properties(null);
$convert->load(new \io\streams\MemoryInputStream(''));
$section = $p->getFirstSection();
while ($section) {
// HACK: Properties::writeSection() would first attempts to
// read the whole file, we cannot make use of it.
$convert->_data[$section] = $p->readSection($section);
$section = $p->getNextSection();
}
$args = [$convert];
} else {
$args = [$p];
}
break;
case 'util.log.LogCategory':
$args = [$l->getCategory($inject['name'])];
break;
default:
self::$err->writeLine('*** Unknown injection type "' . $type . '" at method "' . $method->getName() . '"');
return 2;
}
$method->invoke($instance, $args);
} catch (TargetInvocationException $e) {
self::$err->writeLine('*** Error injecting ' . $type . ' ' . $inject['name'] . ': ' . $e->getCause()->compoundMessage());
return 2;
} catch (Throwable $e) {
self::$err->writeLine('*** Error injecting ' . $type . ' ' . $inject['name'] . ': ' . $e->compoundMessage());
return 2;
}
}
// Arguments
foreach ($methods as $method) {
if ($method->hasAnnotation('args')) {
// Pass all arguments
if (!$method->hasAnnotation('args', 'select')) {
$begin = 0;
$end = $params->count;
$pass = array_slice($params->list, 0, $end);
} else {
$pass = [];
foreach (preg_split('/, ?/', $method->getAnnotation('args', 'select')) as $def) {
if (is_numeric($def) || '-' == $def[0]) {
$pass[] = $params->value((int) $def);
} else {
sscanf($def, '[%d..%d]', $begin, $end);
isset($begin) || ($begin = 0);
isset($end) || ($end = $params->count - 1);
while ($begin <= $end) {
$pass[] = $params->value($begin++);
}
}
}
}
try {
$method->invoke($instance, [$pass]);
} catch (Throwable $e) {
self::$err->writeLine('*** Error for arguments ' . $begin . '..' . $end . ': ', $this->verbose ? $e : $e->getMessage());
return 2;
}
} else {
if ($method->hasAnnotation('arg')) {
// Pass arguments
$arg = $method->getAnnotation('arg');
if (isset($arg['position'])) {
$name = '#' . ($arg['position'] + 1);
$select = intval($arg['position']);
$short = null;
} else {
if (isset($arg['name'])) {
$name = $select = $arg['name'];
$short = isset($arg['short']) ? $arg['short'] : null;
} else {
$name = $select = strtolower(preg_replace('/^set/', '', $method->getName()));
$short = isset($arg['short']) ? $arg['short'] : null;
}
}
if (0 == $method->numParameters()) {
if (!$params->exists($select, $short)) {
continue;
}
$args = [];
} else {
if (!$params->exists($select, $short)) {
list($first, ) = $method->getParameters();
if (!$first->isOptional()) {
self::$err->writeLine('*** Argument ' . $name . ' does not exist!');
return 2;
}
$args = [];
} else {
$args = [$params->value($select, $short)];
}
}
try {
$method->invoke($instance, $args);
} catch (TargetInvocationException $e) {
self::$err->writeLine('*** Error for argument ' . $name . ': ', $this->verbose ? $e->getCause() : $e->getCause()->compoundMessage());
return 2;
}
}
}
}
try {
return (int) $instance->run();
} catch (Throwable $t) {
self::$err->writeLine('*** ', $t->toString());
return 70;
// EX_SOFTWARE according to sysexits.h
}
}
/**
* Empties connection manager pool
*/
public function setUp()
{
ConnectionManager::getInstance()->pool = array();
}
/**
* Creates the scriptlet instance for the given URL and runs it
*
* @param string $url default '/'
*/
public function run($url = '/')
{
// Determine which scriptlet should be run
$application = $this->applicationAt($url);
// Determine debug level
$flags = $application->debug();
// Initializer logger, properties and connections to property base,
// defaulting to the same directory the web.ini resides in
$pm = PropertyManager::getInstance();
foreach ($application->config()->sources() as $source) {
$pm->appendSource($source);
}
$l = Logger::getInstance();
$pm->hasProperties('log') && $l->configure($pm->getProperties('log'));
$cm = ConnectionManager::getInstance();
$pm->hasProperties('database') && $cm->configure($pm->getProperties('database'));
// Setup logger context for all registered log categories
foreach (Logger::getInstance()->getCategories() as $category) {
if (null === ($context = $category->getContext()) || !$context instanceof EnvironmentAware) {
continue;
}
$context->setHostname($_SERVER['SERVER_NAME']);
$context->setRunner(nameof($this));
$context->setInstance($application->getScriptlet());
$context->setResource($url);
$context->setParams($_SERVER['QUERY_STRING']);
}
// Set environment variables
foreach ($application->environment() as $key => $value) {
$_SERVER[$key] = $this->expand($value);
}
// Instantiate and initialize
$cat = $l->getCategory('scriptlet');
$instance = null;
$e = null;
try {
if (!($class = $application->scriptlet())) {
throw new IllegalStateException('No scriptlet in ' . $application->toString());
}
if (!$class->hasConstructor()) {
$instance = $class->newInstance();
} else {
$args = [];
foreach ($application->arguments() as $arg) {
$args[] = $this->expand($arg);
}
$instance = $class->getConstructor()->newInstance($args);
}
if ($flags & WebDebug::TRACE && $instance instanceof \util\log\Traceable) {
$instance->setTrace($cat);
}
foreach ($application->filters() as $filter) {
$instance->filter($filter);
}
$instance->init();
// Set up request and response
$request = $instance->request();
$request->method = $_SERVER['REQUEST_METHOD'];
$request->env = $_ENV;
$request->setHeaders(getallheaders());
$request->setParams($_REQUEST);
$response = $instance->response();
// Service
$instance->service($request, $response);
} catch (ScriptletException $e) {
if (isset($application->logLevels()[$e->getStatus()])) {
$logLevel = $application->logLevels()[$e->getStatus()];
$cat->{$logLevel}($e);
} else {
$cat->error($e);
}
// TODO: Instead of checking for a certain method, this should
// check if the scriptlet class implements a certain interface
if (method_exists($instance, 'fail')) {
$response = $instance->fail($e);
} else {
$this->error($response, $e, $e->getStatus(), $flags & WebDebug::STACKTRACE);
}
} catch (\lang\SystemExit $e) {
if (0 === $e->getCode()) {
$response->setStatus(HttpConstants::STATUS_OK);
if ($message = $e->getMessage()) {
$response->setProcessed(false);
$response->setContent($message);
}
} else {
$cat->error($e);
$this->error($response, $e, HttpConstants::STATUS_INTERNAL_SERVER_ERROR, false);
}
} catch (\lang\Throwable $e) {
$cat->error($e);
// Here, we might not have a scriptlet instance; and thus not a response
if (!isset($response)) {
$response = isset($instance) ? $instance->response() : new HttpScriptletResponse();
}
$this->error($response, $e, HttpConstants::STATUS_PRECONDITION_FAILED, $flags & WebDebug::STACKTRACE);
}
// Send output
$response->isCommitted() || $response->flush();
$response->sendContent();
// Call scriptlet's finalizer
$instance && $instance->finalize();
// Debugging
if ($flags & WebDebug::XML && isset($response->document)) {
flush();
echo '<xmp>', $response->document->getDeclaration() . "\n" . $response->document->getSource(0), '</xmp>';
}
if ($flags & WebDebug::ERRORS) {
flush();
echo '<xmp>', $e ? $e->toString() : '', \xp::stringOf(\xp::$errors), '</xmp>';
}
}