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Code Issues Releases Wiki Activity

(stable) Split setup check phases into "preflight" and "post-config"

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Summary:
Ref T11589. This runs:

  - preflight checks (critical checks: PHP version stuff, extensions);
  - configuration;
  - normal checks.

The PHP checks are split into critical ("bad version") and noncritical ("sub-optimal config").

I tidied up the extension checks slightly, we realistically depend on `cURL` nowadays.

Test Plan:
  - Faked a preflight failure.
  - Hit preflight check.
  - Got expected error screen.
  - Loaded normal pages.
  - Hit a normal setup check.
  - Used DarkConsole "Startup" tab to verify that preflight checks take <1ms to run (we run them on every page without caching, at least for now, but they only do trivial checks like PHP versions).

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11589

Differential Revision: https://secure.phabricator.com/D16500
This commit is contained in:
epriestley 2016-09-06 12:25:37 -07:00
parent 89c0e47a60
commit 445924a2a2
10 changed files with 267 additions and 204 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/__phutil_library_map__.php
View file

@ -3000,6 +3000,7 @@ phutil_register_library_map(array(
'PhabricatorPHPASTApplication' => 'applications/phpast/application/PhabricatorPHPASTApplication.php',
'PhabricatorPHPConfigSetupCheck' => 'applications/config/check/PhabricatorPHPConfigSetupCheck.php',
'PhabricatorPHPMailerConfigOptions' => 'applications/config/option/PhabricatorPHPMailerConfigOptions.php',
'PhabricatorPHPPreflightSetupCheck' => 'applications/config/check/PhabricatorPHPPreflightSetupCheck.php',
'PhabricatorPackagesApplication' => 'applications/packages/application/PhabricatorPackagesApplication.php',
'PhabricatorPackagesController' => 'applications/packages/controller/PhabricatorPackagesController.php',
'PhabricatorPackagesCreatePublisherCapability' => 'applications/packages/capability/PhabricatorPackagesCreatePublisherCapability.php',
@ -7858,6 +7859,7 @@ phutil_register_library_map(array(
'PhabricatorPHPASTApplication' => 'PhabricatorApplication',
'PhabricatorPHPConfigSetupCheck' => 'PhabricatorSetupCheck',
'PhabricatorPHPMailerConfigOptions' => 'PhabricatorApplicationConfigOptions',
'PhabricatorPHPPreflightSetupCheck' => 'PhabricatorSetupCheck',
'PhabricatorPackagesApplication' => 'PhabricatorApplication',
'PhabricatorPackagesController' => 'PhabricatorController',
'PhabricatorPackagesCreatePublisherCapability' => 'PhabricatorPolicyCapability',

9
src/aphront/configuration/AphrontApplicationConfiguration.php
View file

@ -69,6 +69,15 @@ abstract class AphrontApplicationConfiguration extends Phobject {
// request object first.
$write_guard = new AphrontWriteGuard('id');
PhabricatorStartup::beginStartupPhase('preflight');
$response = PhabricatorSetupCheck::willPreflightRequest();
if ($response) {
PhabricatorStartup::endOutputCapture();
$sink->writeResponse($response);
return;
}
PhabricatorStartup::beginStartupPhase('env.init');
PhabricatorEnv::initializeWebEnvironment();

6
src/applications/config/check/PhabricatorExtensionsSetupCheck.php
View file

@ -12,7 +12,6 @@ final class PhabricatorExtensionsSetupCheck extends PhabricatorSetupCheck {
protected function executeChecks() {
// TODO: Make 'mbstring' and 'iconv' soft requirements.
// TODO: Make 'curl' a soft requirement.
$required = array(
'hash',
@ -22,9 +21,8 @@ final class PhabricatorExtensionsSetupCheck extends PhabricatorSetupCheck {
'iconv',
'ctype',
// There is a chance we might not need this, but some configurations (like
// OAuth or Amazon SES) will require it. Just mark it 'required' since
// it's widely available and relatively core.
// There is a tiny chance we might not need this, but a significant
// number of applications require it and it's widely available.
'curl',
);

197
src/applications/config/check/PhabricatorPHPConfigSetupCheck.php
View file

@ -1,202 +1,17 @@
<?php
/**
* Noncritical PHP configuration checks.
*
* For critical checks, see @{class:PhabricatorPHPPreflightSetupCheck}.
*/
final class PhabricatorPHPConfigSetupCheck extends PhabricatorSetupCheck {
public function getDefaultGroup() {
return self::GROUP_PHP;
}
public function isPreflightCheck() {
return true;
}
protected function executeChecks() {
if (version_compare(phpversion(), 7, '>=')) {
$message = pht(
'This version of Phabricator does not support PHP 7. You '.
'are running PHP %s.',
phpversion());
$this->newIssue('php.version7')
->setIsFatal(true)
->setName(pht('PHP 7 Not Supported'))
->setMessage($message)
->addLink(
'https://phurl.io/u/php7',
pht('Phabricator PHP 7 Compatibility Information'));
return;
}
$safe_mode = ini_get('safe_mode');
if ($safe_mode) {
$message = pht(
"You have '%s' enabled in your PHP configuration, but Phabricator ".
"will not run in safe mode. Safe mode has been deprecated in PHP 5.3 ".
"and removed in PHP 5.4.\n\nDisable safe mode to continue.",
'safe_mode');
$this->newIssue('php.safe_mode')
->setIsFatal(true)
->setName(pht('Disable PHP %s', 'safe_mode'))
->setMessage($message)
->addPHPConfig('safe_mode');
return;
}
// Check for `disable_functions` or `disable_classes`. Although it's
// possible to disable a bunch of functions (say, `array_change_key_case()`)
// and classes and still have Phabricator work fine, it's unreasonably
// difficult for us to be sure we'll even survive setup if these options
// are enabled. Phabricator needs access to the most dangerous functions,
// so there is no reasonable configuration value here which actually
// provides a benefit while guaranteeing Phabricator will run properly.
$disable_options = array('disable_functions', 'disable_classes');
foreach ($disable_options as $disable_option) {
$disable_value = ini_get($disable_option);
if ($disable_value) {
// By default Debian installs the pcntl extension but disables all of
// its functions using configuration. Whitelist disabling these
// functions so that Debian PHP works out of the box (we do not need to
// call these functions from the web UI). This is pretty ridiculous but
// it's not the users' fault and they haven't done anything crazy to
// get here, so don't make them pay for Debian's unusual choices.
// See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605571
$fatal = true;
if ($disable_option == 'disable_functions') {
$functions = preg_split('/[, ]+/', $disable_value);
$functions = array_filter($functions);
foreach ($functions as $k => $function) {
if (preg_match('/^pcntl_/', $function)) {
unset($functions[$k]);
}
}
if (!$functions) {
$fatal = false;
}
}
if ($fatal) {
$message = pht(
"You have '%s' enabled in your PHP configuration.\n\n".
"This option is not compatible with Phabricator. Remove ".
"'%s' from your configuration to continue.",
$disable_option,
$disable_option);
$this->newIssue('php.'.$disable_option)
->setIsFatal(true)
->setName(pht('Remove PHP %s', $disable_option))
->setMessage($message)
->addPHPConfig($disable_option);
}
}
}
$overload_option = 'mbstring.func_overload';
$func_overload = ini_get($overload_option);
if ($func_overload) {
$message = pht(
"You have '%s' enabled in your PHP configuration.\n\n".
"This option is not compatible with Phabricator. Disable ".
"'%s' in your PHP configuration to continue.",
$overload_option,
$overload_option);
$this->newIssue('php'.$overload_option)
->setIsFatal(true)
->setName(pht('Disable PHP %s', $overload_option))
->setMessage($message)
->addPHPConfig($overload_option);
}
$open_basedir = ini_get('open_basedir');
if ($open_basedir) {
// 'open_basedir' restricts which files we're allowed to access with
// file operations. This might be okay -- we don't need to write to
// arbitrary places in the filesystem -- but we need to access certain
// resources. This setting is unlikely to be providing any real measure
// of security so warn even if things look OK.
$failures = array();
try {
$open_libphutil = class_exists('Future');
} catch (Exception $ex) {
$failures[] = $ex->getMessage();
}
try {
$open_arcanist = class_exists('ArcanistDiffParser');
} catch (Exception $ex) {
$failures[] = $ex->getMessage();
}
$open_urandom = false;
try {
Filesystem::readRandomBytes(1);
$open_urandom = true;
} catch (FilesystemException $ex) {
$failures[] = $ex->getMessage();
}
try {
$tmp = new TempFile();
file_put_contents($tmp, '.');
$open_tmp = @fopen((string)$tmp, 'r');
if (!$open_tmp) {
$failures[] = pht(
"Unable to read temporary file '%s'.",
(string)$tmp);
}
} catch (Exception $ex) {
$message = $ex->getMessage();
$dir = sys_get_temp_dir();
$failures[] = pht(
"Unable to open temp files from '%s': %s",
$dir,
$message);
}
$issue = $this->newIssue('php.open_basedir')
->setName(pht('Disable PHP %s', 'open_basedir'))
->addPHPConfig('open_basedir');
if ($failures) {
$message = pht(
"Your server is configured with '%s', which prevents Phabricator ".
"from opening files it requires access to.\n\n".
"Disable this setting to continue.\n\nFailures:\n\n%s",
'open_basedir',
implode("\n\n", $failures));
$issue
->setIsFatal(true)
->setMessage($message);
return;
} else {
$summary = pht(
"You have '%s' configured in your PHP settings, which ".
"may cause some features to fail.",
'open_basedir');
$message = pht(
"You have '%s' configured in your PHP settings. Although this ".
"setting appears permissive enough that Phabricator will work ".
"properly, you may still run into problems because of it.\n\n".
"Consider disabling '%s'.",
'open_basedir',
'open_basedir');
$issue
->setSummary($summary)
->setMessage($message);
}
}
if (empty($_SERVER['REMOTE_ADDR'])) {
$doc_href = PhabricatorEnv::getDocLink('Configuring a Preamble Script');
@ -245,5 +60,7 @@ final class PhabricatorPHPConfigSetupCheck extends PhabricatorSetupCheck {
->setMessage($message)
->addPHPConfig('always_populate_raw_post_data');
}
}
}

201
src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php Normal file
View file

@ -0,0 +1,201 @@
<?php
final class PhabricatorPHPPreflightSetupCheck extends PhabricatorSetupCheck {
public function getDefaultGroup() {
return self::GROUP_PHP;
}
public function isPreflightCheck() {
return true;
}
protected function executeChecks() {
if (version_compare(phpversion(), 7, '>=')) {
$message = pht(
'This version of Phabricator does not support PHP 7. You '.
'are running PHP %s.',
phpversion());
$this->newIssue('php.version7')
->setIsFatal(true)
->setName(pht('PHP 7 Not Supported'))
->setMessage($message)
->addLink(
'https://phurl.io/u/php7',
pht('Phabricator PHP 7 Compatibility Information'));
return;
}
$safe_mode = ini_get('safe_mode');
if ($safe_mode) {
$message = pht(
"You have '%s' enabled in your PHP configuration, but Phabricator ".
"will not run in safe mode. Safe mode has been deprecated in PHP 5.3 ".
"and removed in PHP 5.4.\n\nDisable safe mode to continue.",
'safe_mode');
$this->newIssue('php.safe_mode')
->setIsFatal(true)
->setName(pht('Disable PHP %s', 'safe_mode'))
->setMessage($message)
->addPHPConfig('safe_mode');
return;
}
// Check for `disable_functions` or `disable_classes`. Although it's
// possible to disable a bunch of functions (say, `array_change_key_case()`)
// and classes and still have Phabricator work fine, it's unreasonably
// difficult for us to be sure we'll even survive setup if these options
// are enabled. Phabricator needs access to the most dangerous functions,
// so there is no reasonable configuration value here which actually
// provides a benefit while guaranteeing Phabricator will run properly.
$disable_options = array('disable_functions', 'disable_classes');
foreach ($disable_options as $disable_option) {
$disable_value = ini_get($disable_option);
if ($disable_value) {
// By default Debian installs the pcntl extension but disables all of
// its functions using configuration. Whitelist disabling these
// functions so that Debian PHP works out of the box (we do not need to
// call these functions from the web UI). This is pretty ridiculous but
// it's not the users' fault and they haven't done anything crazy to
// get here, so don't make them pay for Debian's unusual choices.
// See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605571
$fatal = true;
if ($disable_option == 'disable_functions') {
$functions = preg_split('/[, ]+/', $disable_value);
$functions = array_filter($functions);
foreach ($functions as $k => $function) {
if (preg_match('/^pcntl_/', $function)) {
unset($functions[$k]);
}
}
if (!$functions) {
$fatal = false;
}
}
if ($fatal) {
$message = pht(
"You have '%s' enabled in your PHP configuration.\n\n".
"This option is not compatible with Phabricator. Remove ".
"'%s' from your configuration to continue.",
$disable_option,
$disable_option);
$this->newIssue('php.'.$disable_option)
->setIsFatal(true)
->setName(pht('Remove PHP %s', $disable_option))
->setMessage($message)
->addPHPConfig($disable_option);
}
}
}
$overload_option = 'mbstring.func_overload';
$func_overload = ini_get($overload_option);
if ($func_overload) {
$message = pht(
"You have '%s' enabled in your PHP configuration.\n\n".
"This option is not compatible with Phabricator. Disable ".
"'%s' in your PHP configuration to continue.",
$overload_option,
$overload_option);
$this->newIssue('php'.$overload_option)
->setIsFatal(true)
->setName(pht('Disable PHP %s', $overload_option))
->setMessage($message)
->addPHPConfig($overload_option);
}
$open_basedir = ini_get('open_basedir');
if ($open_basedir) {
// 'open_basedir' restricts which files we're allowed to access with
// file operations. This might be okay -- we don't need to write to
// arbitrary places in the filesystem -- but we need to access certain
// resources. This setting is unlikely to be providing any real measure
// of security so warn even if things look OK.
$failures = array();
try {
$open_libphutil = class_exists('Future');
} catch (Exception $ex) {
$failures[] = $ex->getMessage();
}
try {
$open_arcanist = class_exists('ArcanistDiffParser');
} catch (Exception $ex) {
$failures[] = $ex->getMessage();
}
$open_urandom = false;
try {
Filesystem::readRandomBytes(1);
$open_urandom = true;
} catch (FilesystemException $ex) {
$failures[] = $ex->getMessage();
}
try {
$tmp = new TempFile();
file_put_contents($tmp, '.');
$open_tmp = @fopen((string)$tmp, 'r');
if (!$open_tmp) {
$failures[] = pht(
"Unable to read temporary file '%s'.",
(string)$tmp);
}
} catch (Exception $ex) {
$message = $ex->getMessage();
$dir = sys_get_temp_dir();
$failures[] = pht(
"Unable to open temp files from '%s': %s",
$dir,
$message);
}
$issue = $this->newIssue('php.open_basedir')
->setName(pht('Disable PHP %s', 'open_basedir'))
->addPHPConfig('open_basedir');
if ($failures) {
$message = pht(
"Your server is configured with '%s', which prevents Phabricator ".
"from opening files it requires access to.\n\n".
"Disable this setting to continue.\n\nFailures:\n\n%s",
'open_basedir',
implode("\n\n", $failures));
$issue
->setIsFatal(true)
->setMessage($message);
return;
} else {
$summary = pht(
"You have '%s' configured in your PHP settings, which ".
"may cause some features to fail.",
'open_basedir');
$message = pht(
"You have '%s' configured in your PHP settings. Although this ".
"setting appears permissive enough that Phabricator will work ".
"properly, you may still run into problems because of it.\n\n".
"Consider disabling '%s'.",
'open_basedir',
'open_basedir');
$issue
->setSummary($summary)
->setMessage($message);
}
}
}
}

41
src/applications/config/check/PhabricatorSetupCheck.php
View file

@ -129,16 +129,39 @@ abstract class PhabricatorSetupCheck extends Phobject {
));
}
final public static function willPreflightRequest() {
$checks = self::loadAllChecks();
foreach ($checks as $check) {
if (!$check->isPreflightCheck()) {
continue;
}
$check->runSetupChecks();
foreach ($check->getIssues() as $key => $issue) {
return self::newIssueResponse($issue);
}
}
return null;
}
private static function newIssueResponse(PhabricatorSetupIssue $issue) {
$view = id(new PhabricatorSetupIssueView())
->setIssue($issue);
return id(new PhabricatorConfigResponse())
->setView($view);
}
final public static function willProcessRequest() {
$issue_keys = self::getOpenSetupIssueKeys();
if ($issue_keys === null) {
$issues = self::runAllChecks();
$issues = self::runNormalChecks();
foreach ($issues as $issue) {
if ($issue->getIsFatal()) {
$view = id(new PhabricatorSetupIssueView())
->setIssue($issue);
return id(new PhabricatorConfigResponse())
->setView($view);
return self::newIssueResponse($issue);
}
}
$issue_keys = self::getUnignoredIssueKeys($issues);
@ -176,9 +199,15 @@ abstract class PhabricatorSetupCheck extends Phobject {
->execute();
}
final public static function runAllChecks() {
final public static function runNormalChecks() {
$checks = self::loadAllChecks();
foreach ($checks as $key => $check) {
if ($check->isPreflightCheck()) {
unset($checks[$key]);
}
}
$issues = array();
foreach ($checks as $check) {
$check->runSetupChecks();

2
src/applications/config/controller/PhabricatorConfigIssueListController.php
View file

@ -9,7 +9,7 @@ final class PhabricatorConfigIssueListController
$nav = $this->buildSideNavView();
$nav->selectFilter('issue/');
$issues = PhabricatorSetupCheck::runAllChecks();
$issues = PhabricatorSetupCheck::runNormalChecks();
PhabricatorSetupCheck::setOpenSetupIssueKeys(
PhabricatorSetupCheck::getUnignoredIssueKeys($issues),
$update_database = true);

2
src/applications/config/controller/PhabricatorConfigIssuePanelController.php
View file

@ -6,7 +6,7 @@ final class PhabricatorConfigIssuePanelController
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$open_items = PhabricatorSetupCheck::getOpenSetupIssueKeys();
$issues = PhabricatorSetupCheck::runAllChecks();
$issues = PhabricatorSetupCheck::runNormalChecks();
PhabricatorSetupCheck::setOpenSetupIssueKeys(
PhabricatorSetupCheck::getUnignoredIssueKeys($issues),
$update_database = true);

2
src/applications/config/controller/PhabricatorConfigIssueViewController.php
View file

@ -7,7 +7,7 @@ final class PhabricatorConfigIssueViewController
$viewer = $request->getViewer();
$issue_key = $request->getURIData('key');
$issues = PhabricatorSetupCheck::runAllChecks();
$issues = PhabricatorSetupCheck::runNormalChecks();
PhabricatorSetupCheck::setOpenSetupIssueKeys(
PhabricatorSetupCheck::getUnignoredIssueKeys($issues),
$update_database = true);

9
src/infrastructure/env/PhabricatorEnv.php vendored
View file

@ -315,6 +315,14 @@ final class PhabricatorEnv extends Phobject {
return self::$cache[$key];
}
if (!self::$sourceStack) {
throw new Exception(
pht(
'Trying to read configuration "%s" before configuration has been '.
'initialized.',
$key));
}
$result = self::$sourceStack->getKeys(array($key));
if (array_key_exists($key, $result)) {
self::$cache[$key] = $result[$key];
@ -327,7 +335,6 @@ final class PhabricatorEnv extends Phobject {
}
}
/**
* Get the current configuration setting for a given key. If the key
* does not exist, return a default value instead of throwing. This is