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<?php declare(strict_types=1);
/*
* This file is part of Composer.
*
* (c) Nils Adermann <[email protected]>
* Jordi Boggiano <[email protected]>
*
* 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\Pcre\Preg;
use Composer\Util\Filesystem;
use Composer\Util\Platform;
use Composer\SelfUpdate\Keys;
use Composer\SelfUpdate\Versions;
use Composer\IO\IOInterface;
use Composer\Downloader\FilesystemException;
use Composer\Downloader\TransportException;
use Symfony\Component\Console\Input\InputInterface;
use Composer\Console\Input\InputOption;
use Composer\Console\Input\InputArgument;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Finder\Finder;
/**
* @author Igor Wiedler <[email protected]>
* @author Kevin Ran <[email protected]>
* @author Jordi Boggiano <[email protected]>
*/
class SelfUpdateCommand extends BaseCommand
{
private const HOMEPAGE = 'getcomposer.org';
private const OLD_INSTALL_EXT = '-old.phar';
protected function configure(): void
{
$this
->setName('self-update')
->setAliases(['selfupdate'])
->setDescription('Updates composer.phar to the latest version')
->setDefinition([
new InputOption('rollback', 'r', InputOption::VALUE_NONE, 'Revert to an older installation of composer'),
new InputOption('clean-backups', null, InputOption::VALUE_NONE, 'Delete old backups during an update. This makes the current version of composer the only backup available after the update'),
new InputArgument('version', InputArgument::OPTIONAL, 'The version to update to'),
new InputOption('no-progress', null, InputOption::VALUE_NONE, 'Do not output download progress.'),
new InputOption('update-keys', null, InputOption::VALUE_NONE, 'Prompt user for a key update'),
new InputOption('stable', null, InputOption::VALUE_NONE, 'Force an update to the stable channel'),
new InputOption('preview', null, InputOption::VALUE_NONE, 'Force an update to the preview channel'),
new InputOption('snapshot', null, InputOption::VALUE_NONE, 'Force an update to the snapshot channel'),
new InputOption('1', null, InputOption::VALUE_NONE, 'Force an update to the stable channel, but only use 1.x versions'),
new InputOption('2', null, InputOption::VALUE_NONE, 'Force an update to the stable channel, but only use 2.x versions'),
new InputOption('2.2', null, InputOption::VALUE_NONE, 'Force an update to the stable channel, but only use 2.2.x LTS versions'),
new InputOption('set-channel-only', null, InputOption::VALUE_NONE, 'Only store the channel as the default one and then exit'),
])
->setHelp(
<<<EOT
The <info>self-update</info> command checks getcomposer.org for newer
versions of composer and if found, installs the latest.
<info>php composer.phar self-update</info>
Read more at https://getcomposer.org/doc/03-cli.md#self-update-selfupdate
EOT
)
;
}
/**
* @throws FilesystemException
*/
protected function execute(InputInterface $input, OutputInterface $output): int
{
if ($_SERVER['argv'][0] === 'Standard input code') {
return 1;
}
// trigger autoloading of a few classes which may be needed when verifying/swapping the phar file
// to ensure we do not try to load them from the new phar, see https://github.com/composer/composer/issues/10252
class_exists('Composer\Util\Platform');
class_exists('Composer\Downloader\FilesystemException');
$config = Factory::createConfig();
if ($config->get('disable-tls') === true) {
$baseUrl = 'http://' . self::HOMEPAGE;
} else {
$baseUrl = 'https://' . self::HOMEPAGE;
}
$io = $this->getIO();
$httpDownloader = Factory::createHttpDownloader($io, $config);
$versionsUtil = new Versions($config, $httpDownloader);
// switch channel if requested
$requestedChannel = null;
foreach (Versions::CHANNELS as $channel) {
if ($input->getOption($channel)) {
$requestedChannel = $channel;
$versionsUtil->setChannel($channel, $io);
break;
}
}
if ($input->getOption('set-channel-only')) {
return 0;
}
$cacheDir = $config->get('cache-dir');
$rollbackDir = $config->get('data-dir');
$home = $config->get('home');
$localFilename = realpath($_SERVER['argv'][0]);
if (false === $localFilename) {
$localFilename = $_SERVER['argv'][0];
}
if ($input->getOption('update-keys')) {
$this->fetchKeys($io, $config);
return 0;
}
// ensure composer.phar location is accessible
if (!file_exists($localFilename)) {
throw new FilesystemException('Composer update failed: the "'.$localFilename.'" is not accessible');
}
// check if current dir is writable and if not try the cache dir from settings
$tmpDir = is_writable(dirname($localFilename)) ? dirname($localFilename) : $cacheDir;
// check for permissions in local filesystem before start connection process
if (!is_writable($tmpDir)) {
throw new FilesystemException('Composer update failed: the "'.$tmpDir.'" directory used to download the temp file could not be written');
}
// check if composer is running as the same user that owns the directory root, only if POSIX is defined and callable
if (function_exists('posix_getpwuid') && function_exists('posix_geteuid')) {
$composerUser = posix_getpwuid(posix_geteuid());
$homeDirOwnerId = fileowner($home);
if (is_array($composerUser) && $homeDirOwnerId !== false) {
$homeOwner = posix_getpwuid($homeDirOwnerId);
if (is_array($homeOwner) && isset($composerUser['name'], $homeOwner['name']) && $composerUser['name'] !== $homeOwner['name']) {
$io->writeError('<warning>You are running Composer as "'.$composerUser['name'].'", while "'.$home.'" is owned by "'.$homeOwner['name'].'"</warning>');
}
}
}
if ($input->getOption('rollback')) {
return $this->rollback($output, $rollbackDir, $localFilename);
}
if ($input->getArgument('command') === 'self' && $input->getArgument('version') === 'update') {
$input->setArgument('version', null);
}
$latest = $versionsUtil->getLatest();
$latestStable = $versionsUtil->getLatest('stable');
try {
$latestPreview = $versionsUtil->getLatest('preview');
} catch (\UnexpectedValueException $e) {
$latestPreview = $latestStable;
}
$latestVersion = $latest['version'];
$updateVersion = $input->getArgument('version') ?? $latestVersion;
$currentMajorVersion = Preg::replace('{^(\d+).*}', '$1', Composer::getVersion());
$updateMajorVersion = Preg::replace('{^(\d+).*}', '$1', $updateVersion);
$previewMajorVersion = Preg::replace('{^(\d+).*}', '$1', $latestPreview['version']);
if ($versionsUtil->getChannel() === 'stable' && null === $input->getArgument('version')) {
// if requesting stable channel and no specific version, avoid automatically upgrading to the next major
// simply output a warning that the next major stable is available and let users upgrade to it manually
if ($currentMajorVersion < $updateMajorVersion) {
$skippedVersion = $updateVersion;
$versionsUtil->setChannel($currentMajorVersion);
$latest = $versionsUtil->getLatest();
$latestStable = $versionsUtil->getLatest('stable');
$latestVersion = $latest['version'];
$updateVersion = $latestVersion;
$io->writeError('<warning>A new stable major version of Composer is available ('.$skippedVersion.'), run "composer self-update --'.$updateMajorVersion.'" to update to it. See also https://getcomposer.org/'.$updateMajorVersion.'</warning>');
} elseif ($currentMajorVersion < $previewMajorVersion) {
// promote next major version if available in preview
$io->writeError('<warning>A preview release of the next major version of Composer is available ('.$latestPreview['version'].'), run "composer self-update --preview" to give it a try. See also https://github.com/composer/composer/releases for changelogs.</warning>');
}
}
$effectiveChannel = $requestedChannel === null ? $versionsUtil->getChannel() : $requestedChannel;
if (is_numeric($effectiveChannel) && strpos($latestStable['version'], $effectiveChannel) !== 0) {
$io->writeError('<warning>Warning: You forced the install of '.$latestVersion.' via --'.$effectiveChannel.', but '.$latestStable['version'].' is the latest stable version. Updating to it via composer self-update --stable is recommended.</warning>');
}
if (isset($latest['eol'])) {
$io->writeError('<warning>Warning: Version '.$latestVersion.' is EOL / End of Life. '.$latestStable['version'].' is the latest stable version. Updating to it via composer self-update --stable is recommended.</warning>');
}
if (Preg::isMatch('{^[0-9a-f]{40}$}', $updateVersion) && $updateVersion !== $latestVersion) {
$io->writeError('<error>You can not update to a specific SHA-1 as those phars are not available for download</error>');
return 1;
}
$channelString = $versionsUtil->getChannel();
if (is_numeric($channelString)) {
$channelString .= '.x';
}
if (Composer::VERSION === $updateVersion) {
$io->writeError(
sprintf(
'<info>You are already using the latest available Composer version %s (%s channel).</info>',
$updateVersion,
$channelString
)
);
// remove all backups except for the most recent, if any
if ($input->getOption('clean-backups')) {
$this->cleanBackups($rollbackDir, $this->getLastBackupVersion($rollbackDir));
}
return 0;
}
$tempFilename = $tmpDir . '/' . basename($localFilename, '.phar').'-temp'.random_int(0, 10000000).'.phar';
$backupFile = sprintf(
'%s/%s-%s%s',
$rollbackDir,
strtr(Composer::RELEASE_DATE, ' :', '_-'),
Preg::replace('{^([0-9a-f]{7})[0-9a-f]{33}$}', '$1', Composer::VERSION),
self::OLD_INSTALL_EXT
);
$updatingToTag = !Preg::isMatch('{^[0-9a-f]{40}$}', $updateVersion);
$io->write(sprintf("Upgrading to version <info>%s</info> (%s channel).", $updateVersion, $channelString));
$remoteFilename = $baseUrl . ($updatingToTag ? "/download/{$updateVersion}/composer.phar" : '/composer.phar');
try {
$signature = $httpDownloader->get($remoteFilename.'.sig')->getBody();
} catch (TransportException $e) {
if ($e->getStatusCode() === 404) {
throw new \InvalidArgumentException('Version "'.$updateVersion.'" could not be found.', 0, $e);
}
throw $e;
}
$io->writeError(' ', false);
$httpDownloader->copy($remoteFilename, $tempFilename);
$io->writeError('');
if (!file_exists($tempFilename) || null === $signature || '' === $signature) {
$io->writeError('<error>The download of the new composer version failed for an unexpected reason</error>');
return 1;
}
// verify phar signature
if (!extension_loaded('openssl') && $config->get('disable-tls')) {
$io->writeError('<warning>Skipping phar signature verification as you have disabled OpenSSL via config.disable-tls</warning>');
} else {
if (!extension_loaded('openssl')) {
throw new \RuntimeException('The openssl extension is required for phar signatures to be verified but it is not available. '
. 'If you can not enable the openssl extension, you can disable this error, at your own risk, by setting the \'disable-tls\' option to true.');
}
$sigFile = 'file://'.$home.'/' . ($updatingToTag ? 'keys.tags.pub' : 'keys.dev.pub');
if (!file_exists($sigFile)) {
file_put_contents(
$home.'/keys.dev.pub',
<<<DEVPUBKEY
-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----
DEVPUBKEY
);
file_put_contents(
$home.'/keys.tags.pub',
<<<TAGSPUBKEY
-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0Vi/2K6apCVj76nCnCl2
MQUPdK+A9eqkYBacXo2wQBYmyVlXm2/n/ZsX6pCLYPQTHyr5jXbkQzBw8SKqPdlh
vA7NpbMeNCz7wP/AobvUXM8xQuXKbMDTY2uZ4O7sM+PfGbptKPBGLe8Z8d2sUnTO
bXtX6Lrj13wkRto7st/w/Yp33RHe9SlqkiiS4MsH1jBkcIkEHsRaveZzedUaxY0M
mba0uPhGUInpPzEHwrYqBBEtWvP97t2vtfx8I5qv28kh0Y6t+jnjL1Urid2iuQZf
noCMFIOu4vksK5HxJxxrN0GOmGmwVQjOOtxkwikNiotZGPR4KsVj8NnBrLX7oGuM
nQvGciiu+KoC2r3HDBrpDeBVdOWxDzT5R4iI0KoLzFh2pKqwbY+obNPS2bj+2dgJ
rV3V5Jjry42QOCBN3c88wU1PKftOLj2ECpewY6vnE478IipiEu7EAdK8Zwj2LmTr
RKQUSa9k7ggBkYZWAeO/2Ag0ey3g2bg7eqk+sHEq5ynIXd5lhv6tC5PBdHlWipDK
tl2IxiEnejnOmAzGVivE1YGduYBjN+mjxDVy8KGBrjnz1JPgAvgdwJ2dYw4Rsc/e
TzCFWGk/HM6a4f0IzBWbJ5ot0PIi4amk07IotBXDWwqDiQTwyuGCym5EqWQ2BD95
RGv89BPD+2DLnJysngsvVaUCAwEAAQ==
-----END PUBLIC KEY-----
TAGSPUBKEY
);
}
$pubkeyid = openssl_pkey_get_public($sigFile);
if (false === $pubkeyid) {
throw new \RuntimeException('Failed loading the public key from '.$sigFile);
}
$algo = defined('OPENSSL_ALGO_SHA384') ? OPENSSL_ALGO_SHA384 : 'SHA384';
if (!in_array('sha384', array_map('strtolower', openssl_get_md_methods()), true)) {
throw new \RuntimeException('SHA384 is not supported by your openssl extension, could not verify the phar file integrity');
}
$signatureData = json_decode($signature, true);
$signatureSha384 = base64_decode($signatureData['sha384'], true);
if (false === $signatureSha384) {
throw new \RuntimeException('Failed loading the phar signature from '.$remoteFilename.'.sig, got '.$signature);
}
$verified = 1 === openssl_verify((string) file_get_contents($tempFilename), $signatureSha384, $pubkeyid, $algo);
// PHP 8 automatically frees the key instance and deprecates the function
if (PHP_VERSION_ID < 80000) {
// @phpstan-ignore function.deprecated
openssl_free_key($pubkeyid);
}
if (!$verified) {
throw new \RuntimeException('The phar signature did not match the file you downloaded, this means your public keys are outdated or that the phar file is corrupt/has been modified');
}
}
// remove saved installations of composer
if ($input->getOption('clean-backups')) {
$this->cleanBackups($rollbackDir);
}
if (!$this->setLocalPhar($localFilename, $tempFilename, $backupFile)) {
@unlink($tempFilename);
return 1;
}
if (file_exists($backupFile)) {
$io->writeError(sprintf(
'Use <info>composer self-update --rollback</info> to return to version <comment>%s</comment>',
Composer::VERSION
));
} else {
$io->writeError('<warning>A backup of the current version could not be written to '.$backupFile.', no rollback possible</warning>');
}
return 0;
}
/**
* @throws \Exception
*/
protected function fetchKeys(IOInterface $io, Config $config): void
{
if (!$io->isInteractive()) {
throw new \RuntimeException('Public keys can not be fetched in non-interactive mode, please run Composer interactively');
}
$io->write('Open <info>https://composer.github.io/pubkeys.html</info> to find the latest keys');
$validator = static function ($value): string {
$value = (string) $value;
if (!Preg::isMatch('{^-----BEGIN PUBLIC KEY-----$}', trim($value))) {
throw new \UnexpectedValueException('Invalid input');
}
return trim($value)."\n";
};
$devKey = '';
while (!Preg::isMatch('{(-----BEGIN PUBLIC KEY-----.+?-----END PUBLIC KEY-----)}s', $devKey, $match)) {
$devKey = $io->askAndValidate('Enter Dev / Snapshot Public Key (including lines with -----): ', $validator);
while ($line = $io->ask('', '')) {
$devKey .= trim($line)."\n";
if (trim($line) === '-----END PUBLIC KEY-----') {
break;
}
}
}
file_put_contents($keyPath = $config->get('home').'/keys.dev.pub', $match[0]);
$io->write('Stored key with fingerprint: ' . Keys::fingerprint($keyPath));
$tagsKey = '';
while (!Preg::isMatch('{(-----BEGIN PUBLIC KEY-----.+?-----END PUBLIC KEY-----)}s', $tagsKey, $match)) {
$tagsKey = $io->askAndValidate('Enter Tags Public Key (including lines with -----): ', $validator);
while ($line = $io->ask('', '')) {
$tagsKey .= trim($line)."\n";
if (trim($line) === '-----END PUBLIC KEY-----') {
break;
}
}
}
file_put_contents($keyPath = $config->get('home').'/keys.tags.pub', $match[0]);
$io->write('Stored key with fingerprint: ' . Keys::fingerprint($keyPath));
$io->write('Public keys stored in '.$config->get('home'));
}
/**
* @throws FilesystemException
*/
protected function rollback(OutputInterface $output, string $rollbackDir, string $localFilename): int
{
$rollbackVersion = $this->getLastBackupVersion($rollbackDir);
if (null === $rollbackVersion) {
throw new \UnexpectedValueException('Composer rollback failed: no installation to roll back to in "'.$rollbackDir.'"');
}
$oldFile = $rollbackDir . '/' . $rollbackVersion . self::OLD_INSTALL_EXT;
if (!is_file($oldFile)) {
throw new FilesystemException('Composer rollback failed: "'.$oldFile.'" could not be found');
}
if (!Filesystem::isReadable($oldFile)) {
throw new FilesystemException('Composer rollback failed: "'.$oldFile.'" could not be read');
}
$io = $this->getIO();
$io->writeError(sprintf("Rolling back to version <info>%s</info>.", $rollbackVersion));
if (!$this->setLocalPhar($localFilename, $oldFile)) {
return 1;
}
return 0;
}
/**
* Checks if the downloaded/rollback phar is valid then moves it
*
* @param string $localFilename The composer.phar location
* @param string $newFilename The downloaded or backup phar
* @param string $backupTarget The filename to use for the backup
* @throws FilesystemException If the file cannot be moved
* @return bool Whether the phar is valid and has been moved
*/
protected function setLocalPhar(string $localFilename, string $newFilename, ?string $backupTarget = null): bool
{
$io = $this->getIO();
$perms = @fileperms($localFilename);
if ($perms !== false) {
@chmod($newFilename, $perms);
}
// check phar validity
if (!$this->validatePhar($newFilename, $error)) {
$io->writeError('<error>The '.($backupTarget !== null ? 'update' : 'backup').' file is corrupted ('.$error.')</error>');
if ($backupTarget !== null) {
$io->writeError('<error>Please re-run the self-update command to try again.</error>');
}
return false;
}
// copy current file into backups dir
if ($backupTarget !== null) {
@copy($localFilename, $backupTarget);
}
try {
if (Platform::isWindows()) {
// use copy to apply permissions from the destination directory
// as rename uses source permissions and may block other users
copy($newFilename, $localFilename);
@unlink($newFilename);
} else {
rename($newFilename, $localFilename);
}
return true;
} catch (\Exception $e) {
// see if we can run this operation as an Admin on Windows
if (!is_writable(dirname($localFilename))
&& $io->isInteractive()
&& $this->isWindowsNonAdminUser()) {
return $this->tryAsWindowsAdmin($localFilename, $newFilename);
}
@unlink($newFilename);
$action = 'Composer '.($backupTarget !== null ? 'update' : 'rollback');
throw new FilesystemException($action.' failed: "'.$localFilename.'" could not be written.'.PHP_EOL.$e->getMessage());
}
}
protected function cleanBackups(string $rollbackDir, ?string $except = null): void
{
$finder = $this->getOldInstallationFinder($rollbackDir);
$io = $this->getIO();
$fs = new Filesystem;
foreach ($finder as $file) {
if ($file->getBasename(self::OLD_INSTALL_EXT) === $except) {
continue;
}
$file = (string) $file;
$io->writeError('<info>Removing: '.$file.'</info>');
$fs->remove($file);
}
}
protected function getLastBackupVersion(string $rollbackDir): ?string
{
$finder = $this->getOldInstallationFinder($rollbackDir);
$finder->sortByName();
$files = iterator_to_array($finder);
if (count($files) > 0) {
return end($files)->getBasename(self::OLD_INSTALL_EXT);
}
return null;
}
protected function getOldInstallationFinder(string $rollbackDir): Finder
{
return Finder::create()
->depth(0)
->files()
->name('*' . self::OLD_INSTALL_EXT)
->in($rollbackDir);
}
/**
* Validates the downloaded/backup phar file
*
* @param string $pharFile The downloaded or backup phar
* @param null|string $error Set by method on failure
*
* Code taken from getcomposer.org/installer. Any changes should be made
* there and replicated here
*
* @throws \Exception
* @return bool If the operation succeeded
*/
protected function validatePhar(string $pharFile, ?string &$error): bool
{
if ((bool) ini_get('phar.readonly')) {
return true;
}
try {
// Test the phar validity
$phar = new \Phar($pharFile);
// Free the variable to unlock the file
unset($phar);
$result = true;
} catch (\Exception $e) {
if (!$e instanceof \UnexpectedValueException && !$e instanceof \PharException) {
throw $e;
}
$error = $e->getMessage();
$result = false;
}
return $result;
}
/**
* Returns true if this is a non-admin Windows user account
*/
protected function isWindowsNonAdminUser(): bool
{
if (!Platform::isWindows()) {
return false;
}
// fltmc.exe manages filter drivers and errors without admin privileges
exec('fltmc.exe filters', $output, $exitCode);
return $exitCode !== 0;
}
/**
* Invokes a UAC prompt to update composer.phar as an admin
*
* Uses a .vbs script to elevate and run the cmd.exe copy command.
*
* @param string $localFilename The composer.phar location
* @param string $newFilename The downloaded or backup phar
* @return bool Whether composer.phar has been updated
*/
protected function tryAsWindowsAdmin(string $localFilename, string $newFilename): bool
{
$io = $this->getIO();
$io->writeError('<error>Unable to write "'.$localFilename.'". Access is denied.</error>');
$helpMessage = 'Please run the self-update command as an Administrator.';
$question = 'Complete this operation with Administrator privileges [<comment>Y,n</comment>]? ';
if (!$io->askConfirmation($question, true)) {
$io->writeError('<warning>Operation cancelled. '.$helpMessage.'</warning>');
return false;
}
$tmpFile = tempnam(sys_get_temp_dir(), '');
if (false === $tmpFile) {
$io->writeError('<error>Operation failed.'.$helpMessage.'</error>');
return false;
}
$script = $tmpFile.'.vbs';
rename($tmpFile, $script);
$checksum = hash_file('sha256', $newFilename);
// cmd's internal copy is fussy about backslashes
$source = str_replace('/', '\\', $newFilename);
$destination = str_replace('/', '\\', $localFilename);
$vbs = <<<EOT
Set UAC = CreateObject("Shell.Application")
UAC.ShellExecute "cmd.exe", "/c copy /b /y ""$source"" ""$destination""", "", "runas", 0
Wscript.Sleep(300)
EOT;
file_put_contents($script, $vbs);
exec('"'.$script.'"');
@unlink($script);
// see if the file was copied and is still accessible
if ($result = Filesystem::isReadable($localFilename) && (hash_file('sha256', $localFilename) === $checksum)) {
$io->writeError('<info>Operation succeeded.</info>');
@unlink($newFilename);
} else {
$io->writeError('<error>Operation failed.'.$helpMessage.'</error>');
}
return $result;
}
}