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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Command;
use Composer\Composer;
use Composer\Factory;
use Composer\Config;
use Composer\Downloader\TransportException;
use Composer\Repository\PlatformRepository;
use Composer\Plugin\CommandEvent;
use Composer\Plugin\PluginEvents;
use Composer\Util\ConfigValidator;
use Composer\Util\IniHelper;
use Composer\Util\ProcessExecutor;
use Composer\Util\HttpDownloader;
use Composer\Util\StreamContextFactory;
use Composer\SelfUpdate\Keys;
use Composer\SelfUpdate\Versions;
use Composer\IO\NullIO;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Process\ExecutableFinder;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class DiagnoseCommand extends BaseCommand
{
/** @var HttpDownloader */
protected $httpDownloader;
/** @var ProcessExecutor */
protected $process;
/** @var int */
protected $exitCode = 0;
protected function configure()
{
$this
->setName('diagnose')
->setDescription('Diagnoses the system to identify common errors.')
->setHelp(
<<<EOT
The <info>diagnose</info> command checks common errors to help debugging problems.
The process exit code will be 1 in case of warnings and 2 for errors.
Read more at https://getcomposer.org/doc/03-cli.md#diagnose
EOT
)
;
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$composer = $this->getComposer(false);
$io = $this->getIO();
if ($composer) {
$commandEvent = new CommandEvent(PluginEvents::COMMAND, 'diagnose', $input, $output);
$composer->getEventDispatcher()->dispatch($commandEvent->getName(), $commandEvent);
$io->write('Checking composer.json: ', false);
$this->outputResult($this->checkComposerSchema());
}
if ($composer) {
$config = $composer->getConfig();
} else {
$config = Factory::createConfig();
}
$config->merge(array('config' => array('secure-http' => false)));
$config->prohibitUrlByConfig('http://repo.packagist.org', new NullIO);
$this->httpDownloader = Factory::createHttpDownloader($io, $config);
$this->process = new ProcessExecutor($io);
$io->write('Checking platform settings: ', false);
$this->outputResult($this->checkPlatform());
$io->write('Checking git settings: ', false);
$this->outputResult($this->checkGit());
$io->write('Checking http connectivity to packagist: ', false);
$this->outputResult($this->checkHttp('http', $config));
$io->write('Checking https connectivity to packagist: ', false);
$this->outputResult($this->checkHttp('https', $config));
$opts = stream_context_get_options(StreamContextFactory::getContext('http://example.org'));
if (!empty($opts['http']['proxy'])) {
$io->write('Checking HTTP proxy: ', false);
$this->outputResult($this->checkHttpProxy());
}
if ($oauth = $config->get('github-oauth')) {
foreach ($oauth as $domain => $token) {
$io->write('Checking '.$domain.' oauth access: ', false);
$this->outputResult($this->checkGithubOauth($domain, $token));
}
} else {
$io->write('Checking github.com rate limit: ', false);
try {
$rate = $this->getGithubRateLimit('github.com');
if (!is_array($rate)) {
$this->outputResult($rate);
} elseif (10 > $rate['remaining']) {
$io->write('<warning>WARNING</warning>');
$io->write(sprintf(
'<comment>Github has a rate limit on their API. '
. 'You currently have <options=bold>%u</options=bold> '
. 'out of <options=bold>%u</options=bold> requests left.' . PHP_EOL
. 'See https://developer.github.com/v3/#rate-limiting and also' . PHP_EOL
. ' https://getcomposer.org/doc/articles/troubleshooting.md#api-rate-limit-and-oauth-tokens</comment>',
$rate['remaining'],
$rate['limit']
));
} else {
$this->outputResult(true);
}
} catch (\Exception $e) {
if ($e instanceof TransportException && $e->getCode() === 401) {
$this->outputResult('<comment>The oauth token for github.com seems invalid, run "composer config --global --unset github-oauth.github.com" to remove it</comment>');
} else {
$this->outputResult($e);
}
}
}
$io->write('Checking disk free space: ', false);
$this->outputResult($this->checkDiskSpace($config));
if (strpos(__FILE__, 'phar:') === 0) {
$io->write('Checking pubkeys: ', false);
$this->outputResult($this->checkPubKeys($config));
$io->write('Checking composer version: ', false);
$this->outputResult($this->checkVersion($config));
}
$io->write(sprintf('Composer version: <comment>%s</comment>', Composer::getVersion()));
$platformOverrides = $config->get('platform') ?: array();
$platformRepo = new PlatformRepository(array(), $platformOverrides);
$phpPkg = $platformRepo->findPackage('php', '*');
$phpVersion = $phpPkg->getPrettyVersion();
if (false !== strpos($phpPkg->getDescription(), 'overridden')) {
$phpVersion .= ' - ' . $phpPkg->getDescription();
}
$io->write(sprintf('PHP version: <comment>%s</comment>', $phpVersion));
if (defined('PHP_BINARY')) {
$io->write(sprintf('PHP binary path: <comment>%s</comment>', PHP_BINARY));
}
$io->write('OpenSSL version: ' . (defined('OPENSSL_VERSION_TEXT') ? '<comment>'.OPENSSL_VERSION_TEXT.'</comment>' : '<error>missing</error>'));
$io->write('cURL version: ' . $this->getCurlVersion());
$finder = new ExecutableFinder;
$hasSystemUnzip = (bool) $finder->find('unzip');
$io->write(
'zip: ' . (extension_loaded('zip') ? '<comment>extension present</comment>' : '<comment>extension not loaded</comment>')
. ', ' . ($hasSystemUnzip ? '<comment>unzip present</comment>' : '<comment>unzip not available</comment>')
);
return $this->exitCode;
}
private function checkComposerSchema()
{
$validator = new ConfigValidator($this->getIO());
list($errors, , $warnings) = $validator->validate(Factory::getComposerFile());
if ($errors || $warnings) {
$messages = array(
'error' => $errors,
'warning' => $warnings,
);
$output = '';
foreach ($messages as $style => $msgs) {
foreach ($msgs as $msg) {
$output .= '<' . $style . '>' . $msg . '</' . $style . '>' . PHP_EOL;
}
}
return rtrim($output);
}
return true;
}
private function checkGit()
{
$this->process->execute('git config color.ui', $output);
if (strtolower(trim($output)) === 'always') {
return '<comment>Your git color.ui setting is set to always, this is known to create issues. Use "git config --global color.ui true" to set it correctly.</comment>';
}
return true;
}
private function checkHttp($proto, Config $config)
{
$result = $this->checkConnectivity();
if ($result !== true) {
return $result;
}
$result = array();
if ($proto === 'https' && $config->get('disable-tls') === true) {
$tlsWarning = '<warning>Composer is configured to disable SSL/TLS protection. This will leave remote HTTPS requests vulnerable to Man-In-The-Middle attacks.</warning>';
}
try {
$this->httpDownloader->get($proto . '://repo.packagist.org/packages.json');
} catch (TransportException $e) {
if ($hints = HttpDownloader::getExceptionHints($e)) {
foreach ($hints as $hint) {
$result[] = $hint;
}
}
$result[] = '<error>[' . get_class($e) . '] ' . $e->getMessage() . '</error>';
}
if (isset($tlsWarning)) {
$result[] = $tlsWarning;
}
if (count($result) > 0) {
return $result;
}
return true;
}
private function checkHttpProxy()
{
$result = $this->checkConnectivity();
if ($result !== true) {
return $result;
}
$protocol = extension_loaded('openssl') ? 'https' : 'http';
try {
$json = $this->httpDownloader->get($protocol . '://repo.packagist.org/packages.json')->decodeJson();
$hash = reset($json['provider-includes']);
$hash = $hash['sha256'];
$path = str_replace('%hash%', $hash, key($json['provider-includes']));
$provider = $this->httpDownloader->get($protocol . '://repo.packagist.org/'.$path)->getBody();
if (hash('sha256', $provider) !== $hash) {
return 'It seems that your proxy is modifying http traffic on the fly';
}
} catch (\Exception $e) {
return $e;
}
return true;
}
private function checkGithubOauth($domain, $token)
{
$result = $this->checkConnectivity();
if ($result !== true) {
return $result;
}
$this->getIO()->setAuthentication($domain, $token, 'x-oauth-basic');
try {
$url = $domain === 'github.com' ? 'https://api.'.$domain.'/' : 'https://'.$domain.'/api/v3/';
return $this->httpDownloader->get($url, array(
'retry-auth-failure' => false,
)) ? true : 'Unexpected error';
} catch (\Exception $e) {
if ($e instanceof TransportException && $e->getCode() === 401) {
return '<comment>The oauth token for '.$domain.' seems invalid, run "composer config --global --unset github-oauth.'.$domain.'" to remove it</comment>';
}
return $e;
}
}
/**
* @param string $domain
* @param string $token
* @throws TransportException
* @return array|string
*/
private function getGithubRateLimit($domain, $token = null)
{
$result = $this->checkConnectivity();
if ($result !== true) {
return $result;
}
if ($token) {
$this->getIO()->setAuthentication($domain, $token, 'x-oauth-basic');
}
$url = $domain === 'github.com' ? 'https://api.'.$domain.'/rate_limit' : 'https://'.$domain.'/api/rate_limit';
$data = $this->httpDownloader->get($url, array('retry-auth-failure' => false))->decodeJson();
return $data['resources']['core'];
}
private function checkDiskSpace($config)
{
$minSpaceFree = 1024 * 1024;
if ((($df = @disk_free_space($dir = $config->get('home'))) !== false && $df < $minSpaceFree)
|| (($df = @disk_free_space($dir = $config->get('vendor-dir'))) !== false && $df < $minSpaceFree)
) {
return '<error>The disk hosting '.$dir.' is full</error>';
}
return true;
}
private function checkPubKeys($config)
{
$home = $config->get('home');
$errors = array();
$io = $this->getIO();
if (file_exists($home.'/keys.tags.pub') && file_exists($home.'/keys.dev.pub')) {
$io->write('');
}
if (file_exists($home.'/keys.tags.pub')) {
$io->write('Tags Public Key Fingerprint: ' . Keys::fingerprint($home.'/keys.tags.pub'));
} else {
$errors[] = '<error>Missing pubkey for tags verification</error>';
}
if (file_exists($home.'/keys.dev.pub')) {
$io->write('Dev Public Key Fingerprint: ' . Keys::fingerprint($home.'/keys.dev.pub'));
} else {
$errors[] = '<error>Missing pubkey for dev verification</error>';
}
if ($errors) {
$errors[] = '<error>Run composer self-update --update-keys to set them up</error>';
}
return $errors ?: true;
}
private function checkVersion($config)
{
$result = $this->checkConnectivity();
if ($result !== true) {
return $result;
}
$versionsUtil = new Versions($config, $this->httpDownloader);
try {
$latest = $versionsUtil->getLatest();
} catch (\Exception $e) {
return $e;
}
if (Composer::VERSION !== $latest['version'] && Composer::VERSION !== '@package_version@') {
return '<comment>You are not running the latest '.$versionsUtil->getChannel().' version, run `composer self-update` to update ('.Composer::VERSION.' => '.$latest['version'].')</comment>';
}
return true;
}
private function getCurlVersion()
{
if (extension_loaded('curl')) {
if (!HttpDownloader::isCurlEnabled()) {
return '<error>disabled via disable_functions, using php streams fallback, which reduces performance</error>';
}
$version = curl_version();
return '<comment>'.$version['version'].'</comment> '.
'libz <comment>'.(isset($version['libz_version']) ? $version['libz_version'] : 'missing').'</comment> '.
'ssl <comment>'.(isset($version['ssl_version']) ? $version['ssl_version'] : 'missing').'</comment>';
}
return '<error>missing, using php streams fallback, which reduces performance</error>';
}
/**
* @param bool|string|\Exception $result
*/
private function outputResult($result)
{
$io = $this->getIO();
if (true === $result) {
$io->write('<info>OK</info>');
return;
}
$hadError = false;
$hadWarning = false;
if ($result instanceof \Exception) {
$result = '<error>['.get_class($result).'] '.$result->getMessage().'</error>';
}
if (!$result) {
// falsey results should be considered as an error, even if there is nothing to output
$hadError = true;
} else {
if (!is_array($result)) {
$result = array($result);
}
foreach ($result as $message) {
if (false !== strpos($message, '<error>')) {
$hadError = true;
} elseif (false !== strpos($message, '<warning>')) {
$hadWarning = true;
}
}
}
if ($hadError) {
$io->write('<error>FAIL</error>');
$this->exitCode = max($this->exitCode, 2);
} elseif ($hadWarning) {
$io->write('<warning>WARNING</warning>');
$this->exitCode = max($this->exitCode, 1);
}
if ($result) {
foreach ($result as $message) {
$io->write($message);
}
}
}
private function checkPlatform()
{
$output = '';
$out = function ($msg, $style) use (&$output) {
$output .= '<'.$style.'>'.$msg.'</'.$style.'>'.PHP_EOL;
};
// code below taken from getcomposer.org/installer, any changes should be made there and replicated here
$errors = array();
$warnings = array();
$displayIniMessage = false;
$iniMessage = PHP_EOL.PHP_EOL.IniHelper::getMessage();
$iniMessage .= PHP_EOL.'If you can not modify the ini file, you can also run `php -d option=value` to modify ini values on the fly. You can use -d multiple times.';
if (!function_exists('json_decode')) {
$errors['json'] = true;
}
if (!extension_loaded('Phar')) {
$errors['phar'] = true;
}
if (!extension_loaded('filter')) {
$errors['filter'] = true;
}
if (!extension_loaded('hash')) {
$errors['hash'] = true;
}
if (!extension_loaded('iconv') && !extension_loaded('mbstring')) {
$errors['iconv_mbstring'] = true;
}
if (!filter_var(ini_get('allow_url_fopen'), FILTER_VALIDATE_BOOLEAN)) {
$errors['allow_url_fopen'] = true;
}
if (extension_loaded('ionCube Loader') && ioncube_loader_iversion() < 40009) {
$errors['ioncube'] = ioncube_loader_version();
}
if (PHP_VERSION_ID < 50302) {
$errors['php'] = PHP_VERSION;
}
if (!isset($errors['php']) && PHP_VERSION_ID < 50304) {
$warnings['php'] = PHP_VERSION;
}
if (!extension_loaded('openssl')) {
$errors['openssl'] = true;
}
if (extension_loaded('openssl') && OPENSSL_VERSION_NUMBER < 0x1000100f) {
$warnings['openssl_version'] = true;
}
if (!defined('HHVM_VERSION') && !extension_loaded('apcu') && filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN)) {
$warnings['apc_cli'] = true;
}
if (!extension_loaded('zlib')) {
$warnings['zlib'] = true;
}
ob_start();
phpinfo(INFO_GENERAL);
$phpinfo = ob_get_clean();
if (preg_match('{Configure Command(?: *</td><td class="v">| *=> *)(.*?)(?:</td>|$)}m', $phpinfo, $match)) {
$configure = $match[1];
if (false !== strpos($configure, '--enable-sigchild')) {
$warnings['sigchild'] = true;
}
if (false !== strpos($configure, '--with-curlwrappers')) {
$warnings['curlwrappers'] = true;
}
}
if (filter_var(ini_get('xdebug.profiler_enabled'), FILTER_VALIDATE_BOOLEAN)) {
$warnings['xdebug_profile'] = true;
} elseif (extension_loaded('xdebug')) {
$warnings['xdebug_loaded'] = true;
}
if (defined('PHP_WINDOWS_VERSION_BUILD')
&& (version_compare(PHP_VERSION, '7.2.23', '<')
|| (version_compare(PHP_VERSION, '7.3.0', '>=')
&& version_compare(PHP_VERSION, '7.3.10', '<')))) {
$warnings['onedrive'] = PHP_VERSION;
}
if (!empty($errors)) {
foreach ($errors as $error => $current) {
switch ($error) {
case 'json':
$text = PHP_EOL."The json extension is missing.".PHP_EOL;
$text .= "Install it or recompile php without --disable-json";
break;
case 'phar':
$text = PHP_EOL."The phar extension is missing.".PHP_EOL;
$text .= "Install it or recompile php without --disable-phar";
break;
case 'filter':
$text = PHP_EOL."The filter extension is missing.".PHP_EOL;
$text .= "Install it or recompile php without --disable-filter";
break;
case 'hash':
$text = PHP_EOL."The hash extension is missing.".PHP_EOL;
$text .= "Install it or recompile php without --disable-hash";
break;
case 'iconv_mbstring':
$text = PHP_EOL."The iconv OR mbstring extension is required and both are missing.".PHP_EOL;
$text .= "Install either of them or recompile php without --disable-iconv";
break;
case 'php':
$text = PHP_EOL."Your PHP ({$current}) is too old, you must upgrade to PHP 5.3.2 or higher.";
break;
case 'allow_url_fopen':
$text = PHP_EOL."The allow_url_fopen setting is incorrect.".PHP_EOL;
$text .= "Add the following to the end of your `php.ini`:".PHP_EOL;
$text .= " allow_url_fopen = On";
$displayIniMessage = true;
break;
case 'ioncube':
$text = PHP_EOL."Your ionCube Loader extension ($current) is incompatible with Phar files.".PHP_EOL;
$text .= "Upgrade to ionCube 4.0.9 or higher or remove this line (path may be different) from your `php.ini` to disable it:".PHP_EOL;
$text .= " zend_extension = /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so";
$displayIniMessage = true;
break;
case 'openssl':
$text = PHP_EOL."The openssl extension is missing, which means that secure HTTPS transfers are impossible.".PHP_EOL;
$text .= "If possible you should enable it or recompile php with --with-openssl";
break;
default:
throw new \InvalidArgumentException(sprintf("DiagnoseCommand: Unknown error type \"%s\". Please report at https://github.com/composer/composer/issues/new.", $error));
}
$out($text, 'error');
}
$output .= PHP_EOL;
}
if (!empty($warnings)) {
foreach ($warnings as $warning => $current) {
switch ($warning) {
case 'apc_cli':
$text = "The apc.enable_cli setting is incorrect.".PHP_EOL;
$text .= "Add the following to the end of your `php.ini`:".PHP_EOL;
$text .= " apc.enable_cli = Off";
$displayIniMessage = true;
break;
case 'zlib':
$text = 'The zlib extension is not loaded, this can slow down Composer a lot.'.PHP_EOL;
$text .= 'If possible, enable it or recompile php with --with-zlib'.PHP_EOL;
$displayIniMessage = true;
break;
case 'sigchild':
$text = "PHP was compiled with --enable-sigchild which can cause issues on some platforms.".PHP_EOL;
$text .= "Recompile it without this flag if possible, see also:".PHP_EOL;
$text .= " https://bugs.php.net/bug.php?id=22999";
break;
case 'curlwrappers':
$text = "PHP was compiled with --with-curlwrappers which will cause issues with HTTP authentication and GitHub.".PHP_EOL;
$text .= " Recompile it without this flag if possible";
break;
case 'php':
$text = "Your PHP ({$current}) is quite old, upgrading to PHP 5.3.4 or higher is recommended.".PHP_EOL;
$text .= " Composer works with 5.3.2+ for most people, but there might be edge case issues.";
break;
case 'openssl_version':
// Attempt to parse version number out, fallback to whole string value.
$opensslVersion = strstr(trim(strstr(OPENSSL_VERSION_TEXT, ' ')), ' ', true);
$opensslVersion = $opensslVersion ?: OPENSSL_VERSION_TEXT;
$text = "The OpenSSL library ({$opensslVersion}) used by PHP does not support TLSv1.2 or TLSv1.1.".PHP_EOL;
$text .= "If possible you should upgrade OpenSSL to version 1.0.1 or above.";
break;
case 'xdebug_loaded':
$text = "The xdebug extension is loaded, this can slow down Composer a little.".PHP_EOL;
$text .= " Disabling it when using Composer is recommended.";
break;
case 'xdebug_profile':
$text = "The xdebug.profiler_enabled setting is enabled, this can slow down Composer a lot.".PHP_EOL;
$text .= "Add the following to the end of your `php.ini` to disable it:".PHP_EOL;
$text .= " xdebug.profiler_enabled = 0";
$displayIniMessage = true;
break;
case 'onedrive':
$text = "The Windows OneDrive folder is not supported on PHP versions below 7.2.23 and 7.3.10.".PHP_EOL;
$text .= "Upgrade your PHP ({$current}) to use this location with Composer.".PHP_EOL;
break;
default:
throw new \InvalidArgumentException(sprintf("DiagnoseCommand: Unknown warning type \"%s\". Please report at https://github.com/composer/composer/issues/new.", $warning));
}
$out($text, 'comment');
}
}
if ($displayIniMessage) {
$out($iniMessage, 'comment');
}
return !$warnings && !$errors ? true : $output;
}
/**
* Check if allow_url_fopen is ON
*
* @return true|string
*/
private function checkConnectivity()
{
if (!ini_get('allow_url_fopen')) {
return '<info>Skipped because allow_url_fopen is missing.</info>';
}
return true;
}
}
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