mirror of
https://we.phorge.it/source/phorge.git
synced 2024-11-09 16:32:39 +01:00
7c9c3284ed
Summary: In some cases, we shell out to things (like Pygments for syntax highlighting). However, on cloud servers or shared web servers, those binaries aren't always installed system-wide. This patch allows for appending to the environment variable $PATH, to look for other, non-default places for these binaries. Test Plan: * Copied the patch over to a test OpenShift instance and applied it. * Added the path to my local copy of Pygments (pygmentize wasn't available on the system) into the Phabricator config. * Refreshed a Paste page, and saw colors. Reviewers: epriestley Reviewed By: epriestley CC: aran, Korvin Differential Revision: https://secure.phabricator.com/D3091
406 lines
12 KiB
PHP
406 lines
12 KiB
PHP
<?php
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/*
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* Copyright 2012 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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$__start__ = microtime(true);
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$access_log = null;
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error_reporting(E_ALL | E_STRICT);
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if ($_SERVER['REQUEST_METHOD'] == 'POST' && !$_POST &&
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isset($_REQUEST['__file__'])) {
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$size = ini_get('post_max_size');
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phabricator_fatal(
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"Request size exceeds PHP 'post_max_size' ('{$size}').");
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}
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$required_version = '5.2.3';
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if (version_compare(PHP_VERSION, $required_version) < 0) {
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phabricator_fatal_config_error(
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"You are running PHP version '".PHP_VERSION."', which is older than ".
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"the minimum version, '{$required_version}'. Update to at least ".
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"'{$required_version}'.");
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}
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phabricator_detect_insane_memory_limit();
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ini_set('memory_limit', -1);
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$env = getenv('PHABRICATOR_ENV'); // Apache
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if (!$env) {
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if (isset($_ENV['PHABRICATOR_ENV'])) {
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$env = $_ENV['PHABRICATOR_ENV'];
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}
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}
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if (!$env) {
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phabricator_fatal_config_error(
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"The 'PHABRICATOR_ENV' environmental variable is not defined. Modify ".
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"your httpd.conf to include 'SetEnv PHABRICATOR_ENV <env>', where '<env>' ".
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"is one of 'development', 'production', or a custom environment.");
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}
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if (!isset($_REQUEST['__path__'])) {
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if (php_sapi_name() == 'cli-server') {
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// Compatibility with PHP 5.4+ built-in web server.
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$url = parse_url($_SERVER['REQUEST_URI']);
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$_REQUEST['__path__'] = $url['path'];
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} else {
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phabricator_fatal_config_error(
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"__path__ is not set. Your rewrite rules are not configured correctly.");
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}
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}
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if (get_magic_quotes_gpc()) {
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phabricator_fatal_config_error(
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"Your server is configured with PHP 'magic_quotes_gpc' enabled. This ".
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"feature is 'highly discouraged' by PHP's developers and you must ".
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"disable it to run Phabricator. Consult the PHP manual for instructions.");
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}
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register_shutdown_function('phabricator_shutdown');
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require_once dirname(dirname(__FILE__)).'/conf/__init_conf__.php';
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try {
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setup_aphront_basics();
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$conf = phabricator_read_config_file($env);
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$conf['phabricator.env'] = $env;
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PhabricatorEnv::setEnvConfig($conf);
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// This needs to be done before we create the log, because
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// PhabricatorAccessLog::getLog() calls date()
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$tz = PhabricatorEnv::getEnvConfig('phabricator.timezone');
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if ($tz) {
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date_default_timezone_set($tz);
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}
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// Append any paths to $PATH if we need to.
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$paths = PhabricatorEnv::getEnvConfig('environment.append-paths');
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if (!empty($paths)) {
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$current_env_path = getenv('PATH');
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$new_env_paths = implode(':', $paths);
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putenv('PATH='.$current_env_path.':'.$new_env_paths);
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}
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// This is the earliest we can get away with this, we need env config first.
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PhabricatorAccessLog::init();
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$access_log = PhabricatorAccessLog::getLog();
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if ($access_log) {
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$access_log->setData(
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array(
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'R' => idx($_SERVER, 'HTTP_REFERER', '-'),
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'r' => idx($_SERVER, 'REMOTE_ADDR', '-'),
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'M' => idx($_SERVER, 'REQUEST_METHOD', '-'),
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));
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}
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DarkConsoleXHProfPluginAPI::hookProfiler();
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PhutilErrorHandler::initialize();
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} catch (Exception $ex) {
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phabricator_fatal("[Initialization Exception] ".$ex->getMessage());
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}
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PhutilErrorHandler::setErrorListener(
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array('DarkConsoleErrorLogPluginAPI', 'handleErrors'));
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foreach (PhabricatorEnv::getEnvConfig('load-libraries') as $library) {
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phutil_load_library($library);
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}
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if (PhabricatorEnv::getEnvConfig('phabricator.setup')) {
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try {
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PhabricatorSetup::runSetup();
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} catch (Exception $ex) {
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echo "EXCEPTION!\n";
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echo $ex;
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}
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return;
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}
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phabricator_detect_bad_base_uri();
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$translation = PhabricatorEnv::newObjectFromConfig('translation.provider');
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PhutilTranslator::getInstance()
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->setLanguage($translation->getLanguage())
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->addTranslations($translation->getTranslations());
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$host = $_SERVER['HTTP_HOST'];
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$path = $_REQUEST['__path__'];
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switch ($host) {
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default:
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$config_key = 'aphront.default-application-configuration-class';
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$application = PhabricatorEnv::newObjectFromConfig($config_key);
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break;
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}
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$application->setHost($host);
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$application->setPath($path);
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$application->willBuildRequest();
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$request = $application->buildRequest();
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$write_guard = new AphrontWriteGuard(array($request, 'validateCSRF'));
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PhabricatorEventEngine::initialize();
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$application->setRequest($request);
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list($controller, $uri_data) = $application->buildController();
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if ($access_log) {
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$access_log->setData(
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array(
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'U' => (string)$request->getRequestURI()->getPath(),
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'C' => get_class($controller),
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));
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}
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// If execution throws an exception and then trying to render that exception
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// throws another exception, we want to show the original exception, as it is
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// likely the root cause of the rendering exception.
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$original_exception = null;
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try {
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$response = $controller->willBeginExecution();
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if ($access_log) {
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if ($request->getUser() && $request->getUser()->getPHID()) {
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$access_log->setData(
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array(
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'u' => $request->getUser()->getUserName(),
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));
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}
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}
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if (!$response) {
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$controller->willProcessRequest($uri_data);
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$response = $controller->processRequest();
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}
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} catch (AphrontRedirectException $ex) {
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$response = id(new AphrontRedirectResponse())
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->setURI($ex->getURI());
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} catch (Exception $ex) {
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$original_exception = $ex;
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$response = $application->handleException($ex);
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}
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try {
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$response = $application->willSendResponse($response);
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$response->setRequest($request);
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$response_string = $response->buildResponseString();
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} catch (Exception $ex) {
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$write_guard->dispose();
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if ($access_log) {
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$access_log->write();
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}
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if ($original_exception) {
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$ex = new PhutilAggregateException(
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"Multiple exceptions during processing and rendering.",
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array(
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$original_exception,
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$ex,
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));
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}
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phabricator_fatal('[Rendering Exception] '.$ex->getMessage());
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}
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$write_guard->dispose();
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// TODO: Share the $sink->writeResponse() pathway here?
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$sink = new AphrontPHPHTTPSink();
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$sink->writeHTTPStatus($response->getHTTPResponseCode());
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$headers = $response->getCacheHeaders();
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$headers = array_merge($headers, $response->getHeaders());
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$sink->writeHeaders($headers);
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// TODO: This shouldn't be possible in a production-configured environment.
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if (DarkConsoleXHProfPluginAPI::isProfilerRequested() &&
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DarkConsoleXHProfPluginAPI::isProfilerRequested() === 'all') {
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$profile = DarkConsoleXHProfPluginAPI::stopProfiler();
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$profile =
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'<div style="text-align: center; background: #ff00ff; padding: 1em;
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font-size: 24px; font-weight: bold;">'.
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'<a href="/xhprof/profile/'.$profile.'/">'.
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'>>> View Profile <<<'.
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'</a>'.
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'</div>';
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if (strpos($response_string, '<body>') !== false) {
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$response_string = str_replace(
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'<body>',
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'<body>'.$profile,
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$response_string);
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} else {
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$sink->writeData($profile);
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}
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}
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$sink->writeData($response_string);
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if ($access_log) {
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$access_log->setData(
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array(
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'c' => $response->getHTTPResponseCode(),
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'T' => (int)(1000000 * (microtime(true) - $__start__)),
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));
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$access_log->write();
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}
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/**
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* @group aphront
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*/
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function setup_aphront_basics() {
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$aphront_root = dirname(dirname(__FILE__));
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$libraries_root = dirname($aphront_root);
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$root = null;
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if (!empty($_SERVER['PHUTIL_LIBRARY_ROOT'])) {
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$root = $_SERVER['PHUTIL_LIBRARY_ROOT'];
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}
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ini_set(
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'include_path',
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$libraries_root.PATH_SEPARATOR.ini_get('include_path'));
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@include_once $root.'libphutil/src/__phutil_library_init__.php';
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if (!@constant('__LIBPHUTIL__')) {
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echo "ERROR: Unable to load libphutil. Put libphutil/ next to ".
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"phabricator/, or update your PHP 'include_path' to include ".
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"the parent directory of libphutil/.\n";
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exit(1);
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}
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// Load Phabricator itself using the absolute path, so we never end up doing
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// anything surprising (loading index.php and libraries from different
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// directories).
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phutil_load_library($aphront_root.'/src');
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phutil_load_library('arcanist/src');
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}
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function phabricator_fatal_config_error($msg) {
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phabricator_fatal("CONFIG ERROR: ".$msg."\n");
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}
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function phabricator_detect_bad_base_uri() {
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$conf = PhabricatorEnv::getEnvConfig('phabricator.base-uri');
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$uri = new PhutilURI($conf);
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switch ($uri->getProtocol()) {
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case 'http':
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case 'https':
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break;
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default:
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return phabricator_fatal_config_error(
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"'phabricator.base-uri' is set to '{$conf}', which is invalid. ".
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"The URI must start with 'http://' or 'https://'.");
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}
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if (strpos($uri->getDomain(), '.') === false) {
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phabricator_fatal_config_error(
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"'phabricator.base-uri' is set to '{$conf}', which is invalid. The URI ".
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"must contain a dot ('.'), like 'http://example.com/', not just ".
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"'http://example/'. Some web browsers will not set cookies on domains ".
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"with no TLD, and Phabricator requires cookies for login. ".
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"If you are using localhost, create an entry in the hosts file like ".
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"'127.0.0.1 example.com', and access the localhost with ".
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"'http://example.com/'.");
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}
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}
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function phabricator_detect_insane_memory_limit() {
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$memory_limit = ini_get('memory_limit');
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$char_limit = 12;
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if (strlen($memory_limit) <= $char_limit) {
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return;
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}
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// colmdoyle ran into an issue on an Ubuntu box with Suhosin where his
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// 'memory_limit' was set to:
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//
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// 3232323232323232323232323232323232323232323232323232323232323232M
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//
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// Not a typo. A wizard did it.
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//
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// Anyway, with this 'memory_limit', the machine would immediately fatal
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// when executing the ini_set() later. I wasn't able to reproduce this on my
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// EC2 Ubuntu + Suhosin box, but verified that it caused the problem on his
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// machine and that setting it to a more sensible value fixed it. Since I
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// have no idea how to actually trigger the issue, we look for a coarse
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// approximation of it (a memory_limit setting more than 12 characters in
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// length).
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phabricator_fatal_config_error(
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"Your PHP 'memory_limit' is set to something ridiculous ".
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"(\"{$memory_limit}\"). Set it to a more reasonable value (it must be no ".
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"more than {$char_limit} characters long).");
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}
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function phabricator_shutdown() {
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$event = error_get_last();
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if (!$event) {
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return;
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}
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if ($event['type'] != E_ERROR && $event['type'] != E_PARSE) {
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return;
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}
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$msg = ">>> UNRECOVERABLE FATAL ERROR <<<\n\n";
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if ($event) {
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// Even though we should be emitting this as text-plain, escape things just
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// to be sure since we can't really be sure what the program state is when
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// we get here.
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$msg .= phutil_escape_html($event['message'])."\n\n";
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$msg .= phutil_escape_html($event['file'].':'.$event['line']);
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}
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// flip dem tables
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$msg .= "\n\n\n";
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$msg .= "\xe2\x94\xbb\xe2\x94\x81\xe2\x94\xbb\x20\xef\xb8\xb5\x20\xc2\xaf".
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"\x5c\x5f\x28\xe3\x83\x84\x29\x5f\x2f\xc2\xaf\x20\xef\xb8\xb5\x20".
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"\xe2\x94\xbb\xe2\x94\x81\xe2\x94\xbb";
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phabricator_fatal($msg);
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}
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function phabricator_fatal($msg) {
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global $access_log;
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if ($access_log) {
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$access_log->setData(
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array(
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'c' => 500,
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));
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$access_log->write();
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}
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header(
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'Content-Type: text/plain; charset=utf-8',
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$replace = true,
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$http_error = 500);
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error_log($msg);
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echo $msg;
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exit(1);
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}
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