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AphrontApplicationConfiguration.php
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Wed, Feb 12, 20:43

AphrontApplicationConfiguration.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @task routing URI Routing
* @group aphront
*/
abstract class AphrontApplicationConfiguration {
private $request;
private $host;
private $path;
private $console;
abstract public function getApplicationName();
abstract public function getURIMap();
abstract public function buildRequest();
abstract public function build404Controller();
abstract public function buildRedirectController($uri);
final public function setRequest(AphrontRequest $request) {
$this->request = $request;
return $this;
}
final public function getRequest() {
return $this->request;
}
final public function getConsole() {
return $this->console;
}
final public function setConsole($console) {
$this->console = $console;
return $this;
}
final public function setHost($host) {
$this->host = $host;
return $this;
}
final public function getHost() {
return $this->host;
}
final public function setPath($path) {
$this->path = $path;
return $this;
}
final public function getPath() {
return $this->path;
}
public function willBuildRequest() {
}
/**
* Hook for synchronizing account information from OAuth workflows.
*
* @task hook
*/
public function willAuthenticateUserWithOAuth(
PhabricatorUser $user,
PhabricatorUserOAuthInfo $oauth_info,
PhabricatorOAuthProvider $provider) {
return;
}
/* -( URI Routing )-------------------------------------------------------- */
/**
* Using builtin and application routes, build the appropriate
* @{class:AphrontController} class for the request. To route a request, we
* test the URI against all builtin routes from @{method:getURIMap}, then
* against all application routes from installed
* @{class:PhabricatorApplication}s.
*
* If we match a route, we construct the controller it points at, build it,
* and return it.
*
* If we fail to match a route, but the current path is missing a trailing
* "/", we try routing the same path with a trailing "/" and do a redirect
* if that has a valid route. The idea is to canoncalize URIs for consistency,
* but avoid breaking noncanonical URIs that we can easily salvage.
*
* NOTE: We only redirect on GET. On POST, we'd drop parameters and most
* likely mutate the request implicitly, and a bad POST usually indicates a
* programming error rather than a sloppy typist.
*
* If the failing path already has a trailing "/", or we can't route the
* version with a "/", we call @{method:build404Controller}, which build a
* fallback @{class:AphrontController}.
*
* @return pair<AphrontController,dict> Controller and dictionary of request
* parameters.
* @task routing
*/
final public function buildController() {
$request = $this->getRequest();
$path = $request->getPath();
if (PhabricatorEnv::getEnvConfig('security.require-https')) {
if (!$request->isHTTPS()) {
$uri = $request->getRequestURI();
$uri->setDomain($request->getHost());
$uri->setProtocol('https');
return $this->buildRedirectController($uri);
}
}
list($controller, $uri_data) = $this->buildControllerForPath($path);
if (!$controller) {
if (!preg_match('@/$@', $path)) {
// If we failed to match anything but don't have a trailing slash, try
// to add a trailing slash and issue a redirect if that resolves.
list($controller, $uri_data) = $this->buildControllerForPath($path.'/');
// NOTE: For POST, just 404 instead of redirecting, since the redirect
// will be a GET without parameters.
if ($controller && !$request->isHTTPPost()) {
$uri = $request->getRequestURI()->setPath($path.'/');
return $this->buildRedirectController($uri);
}
}
return $this->build404Controller();
}
return array($controller, $uri_data);
}
/**
* Map a specific path to the corresponding controller. For a description
* of routing, see @{method:buildController}.
*
* @return pair<AphrontController,dict> Controller and dictionary of request
* parameters.
* @task routing
*/
final public function buildControllerForPath($path) {
$maps = array();
$maps[] = array(null, $this->getURIMap());
$applications = PhabricatorApplication::getAllInstalledApplications();
foreach ($applications as $application) {
$maps[] = array($application, $application->getRoutes());
}
$current_application = null;
$controller_class = null;
foreach ($maps as $map_info) {
list($application, $map) = $map_info;
$mapper = new AphrontURIMapper($map);
list($controller_class, $uri_data) = $mapper->mapPath($path);
if ($controller_class) {
if ($application) {
$current_application = $application;
}
break;
}
}
if (!$controller_class) {
return array(null, null);
}
$request = $this->getRequest();
$controller = newv($controller_class, array($request));
if ($current_application) {
$controller->setCurrentApplication($current_application);
}
return array($controller, $uri_data);
}
}

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