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phab/src/applications/conduit/call/ConduitCall.php
f18ee5c237fefeature/better-testing

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ConduitCall.php
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<?php
/**
* Run a conduit method in-process, without requiring HTTP requests. Usage:
*
* $call = new ConduitCall('method.name', array('param' => 'value'));
* $call->setUser($user);
* $result = $call->execute();
*
*/
final class ConduitCall {
private $method;
private $request;
private $user;
public function __construct($method, array $params) {
$this->method = $method;
$this->handler = $this->buildMethodHandler($method);
$param_types = $this->handler->defineParamTypes();
foreach ($param_types as $key => $spec) {
if (ConduitAPIMethod::getParameterMetadataKey($key) !== null) {
throw new ConduitException(
pht(
'API Method "%s" defines a disallowed parameter, "%s". This '.
'parameter name is reserved.',
$method,
$key));
}
}
$invalid_params = array_diff_key($params, $param_types);
if ($invalid_params) {
throw new ConduitException(
pht(
'API Method "%s" does not define these parameters: %s.',
$method,
"'".implode("', '", array_keys($invalid_params))."'"));
}
$this->request = new ConduitAPIRequest($params);
}
public function setUser(PhabricatorUser $user) {
$this->user = $user;
return $this;
}
public function getUser() {
return $this->user;
}
public function shouldRequireAuthentication() {
return $this->handler->shouldRequireAuthentication();
}
public function shouldAllowUnguardedWrites() {
return $this->handler->shouldAllowUnguardedWrites();
}
public function getRequiredScope() {
return $this->handler->getRequiredScope();
}
public function getErrorDescription($code) {
return $this->handler->getErrorDescription($code);
}
public function execute() {
$profiler = PhutilServiceProfiler::getInstance();
$call_id = $profiler->beginServiceCall(
array(
'type' => 'conduit',
'method' => $this->method,
));
try {
$result = $this->executeMethod();
} catch (Exception $ex) {
$profiler->endServiceCall($call_id, array());
throw $ex;
}
$profiler->endServiceCall($call_id, array());
return $result;
}
private function executeMethod() {
$user = $this->getUser();
if (!$user) {
$user = new PhabricatorUser();
}
$this->request->setUser($user);
if (!$this->shouldRequireAuthentication()) {
// No auth requirement here.
} else {
$allow_public = $this->handler->shouldAllowPublic() &&
PhabricatorEnv::getEnvConfig('policy.allow-public');
if (!$allow_public) {
if (!$user->isLoggedIn() && !$user->isOmnipotent()) {
// TODO: As per below, this should get centralized and cleaned up.
throw new ConduitException('ERR-INVALID-AUTH');
}
}
// TODO: This would be slightly cleaner by just using a Query, but the
// Conduit auth workflow requires the Call and User be built separately.
// Just do it this way for the moment.
$application = $this->handler->getApplication();
if ($application) {
$can_view = PhabricatorPolicyFilter::hasCapability(
$user,
$application,
PhabricatorPolicyCapability::CAN_VIEW);
if (!$can_view) {
throw new ConduitException(
pht(
'You do not have access to the application which provides this '.
'API method.'));
}
}
}
return $this->handler->executeMethod($this->request);
}
protected function buildMethodHandler($method_name) {
$method = ConduitAPIMethod::getConduitMethod($method_name);
if (!$method) {
throw new ConduitMethodDoesNotExistException($method_name);
}
$application = $method->getApplication();
if ($application && !$application->isInstalled()) {
$app_name = $application->getName();
throw new ConduitApplicationNotInstalledException($method, $app_name);
}
return $method;
}
}
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