Created
November 20, 2020 00:38
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<?php | |
/* | |
* 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. | |
*/ | |
setupEnvironment(); | |
process(is_array($argv) ? $argv : array()); | |
/** | |
* Initializes various values | |
* | |
* @throws RuntimeException If uopz extension prevents exit calls | |
*/ | |
function setupEnvironment() | |
{ | |
ini_set('display_errors', 1); | |
if (extension_loaded('uopz') && !(ini_get('uopz.disable') || ini_get('uopz.exit'))) { | |
// uopz works at opcode level and disables exit calls | |
if (function_exists('uopz_allow_exit')) { | |
@uopz_allow_exit(true); | |
} else { | |
throw new RuntimeException('The uopz extension ignores exit calls and breaks this installer.'); | |
} | |
} | |
$installer = 'ComposerInstaller'; | |
if (defined('PHP_WINDOWS_VERSION_MAJOR')) { | |
if ($version = getenv('COMPOSERSETUP')) { | |
$installer = sprintf('Composer-Setup.exe/%s', $version); | |
} | |
} | |
define('COMPOSER_INSTALLER', $installer); | |
} | |
/** | |
* Processes the installer | |
*/ | |
function process($argv) | |
{ | |
// Determine ANSI output from --ansi and --no-ansi flags | |
setUseAnsi($argv); | |
if (in_array('--help', $argv)) { | |
displayHelp(); | |
exit(0); | |
} | |
$check = in_array('--check', $argv); | |
$help = in_array('--help', $argv); | |
$force = in_array('--force', $argv); | |
$quiet = in_array('--quiet', $argv); | |
$channel = '1'; | |
if (in_array('--snapshot', $argv)) { | |
$channel = 'snapshot'; | |
} elseif (in_array('--preview', $argv)) { | |
$channel = 'preview'; | |
} elseif (in_array('--1', $argv)) { | |
$channel = '1'; | |
} elseif (in_array('--2', $argv)) { | |
$channel = '2'; | |
} | |
$disableTls = in_array('--disable-tls', $argv); | |
$installDir = getOptValue('--install-dir', $argv, false); | |
$version = getOptValue('--version', $argv, false); | |
$filename = getOptValue('--filename', $argv, 'composer.phar'); | |
$cafile = getOptValue('--cafile', $argv, false); | |
if (!checkParams($installDir, $version, $cafile)) { | |
exit(1); | |
} | |
$ok = checkPlatform($warnings, $quiet, $disableTls, true); | |
if ($check) { | |
// Only show warnings if we haven't output any errors | |
if ($ok) { | |
showWarnings($warnings); | |
showSecurityWarning($disableTls); | |
} | |
exit($ok ? 0 : 1); | |
} | |
if ($ok || $force) { | |
$installer = new Installer($quiet, $disableTls, $cafile); | |
if ($installer->run($version, $installDir, $filename, $channel)) { | |
showWarnings($warnings); | |
showSecurityWarning($disableTls); | |
exit(0); | |
} | |
} | |
exit(1); | |
} | |
/** | |
* Displays the help | |
*/ | |
function displayHelp() | |
{ | |
echo <<<EOF | |
Composer Installer | |
------------------ | |
Options | |
--help this help | |
--check for checking environment only | |
--force forces the installation | |
--ansi force ANSI color output | |
--no-ansi disable ANSI color output | |
--quiet do not output unimportant messages | |
--install-dir="..." accepts a target installation directory | |
--preview install the latest version from the preview (alpha/beta/rc) channel instead of stable | |
--snapshot install the latest version from the snapshot (dev builds) channel instead of stable | |
--1 install the latest stable Composer 1.x version | |
--2 install the latest stable Composer 2.x version | |
--version="..." accepts a specific version to install instead of the latest | |
--filename="..." accepts a target filename (default: composer.phar) | |
--disable-tls disable SSL/TLS security for file downloads | |
--cafile="..." accepts a path to a Certificate Authority (CA) certificate file for SSL/TLS verification | |
EOF; | |
} | |
/** | |
* Sets the USE_ANSI define for colorizing output | |
* | |
* @param array $argv Command-line arguments | |
*/ | |
function setUseAnsi($argv) | |
{ | |
// --no-ansi wins over --ansi | |
if (in_array('--no-ansi', $argv)) { | |
define('USE_ANSI', false); | |
} elseif (in_array('--ansi', $argv)) { | |
define('USE_ANSI', true); | |
} else { | |
// On Windows, default to no ANSI, except in ANSICON and ConEmu. | |
// Everywhere else, default to ANSI if stdout is a terminal. | |
define( | |
'USE_ANSI', | |
(DIRECTORY_SEPARATOR == '\\') | |
? (false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI')) | |
: (function_exists('posix_isatty') && posix_isatty(1)) | |
); | |
} | |
} | |
/** | |
* Returns the value of a command-line option | |
* | |
* @param string $opt The command-line option to check | |
* @param array $argv Command-line arguments | |
* @param mixed $default Default value to be returned | |
* | |
* @return mixed The command-line value or the default | |
*/ | |
function getOptValue($opt, $argv, $default) | |
{ | |
$optLength = strlen($opt); | |
foreach ($argv as $key => $value) { | |
$next = $key + 1; | |
if (0 === strpos($value, $opt)) { | |
if ($optLength === strlen($value) && isset($argv[$next])) { | |
return trim($argv[$next]); | |
} else { | |
return trim(substr($value, $optLength + 1)); | |
} | |
} | |
} | |
return $default; | |
} | |
/** | |
* Checks that user-supplied params are valid | |
* | |
* @param mixed $installDir The required istallation directory | |
* @param mixed $version The required composer version to install | |
* @param mixed $cafile Certificate Authority file | |
* | |
* @return bool True if the supplied params are okay | |
*/ | |
function checkParams($installDir, $version, $cafile) | |
{ | |
$result = true; | |
if (false !== $installDir && !is_dir($installDir)) { | |
out("The defined install dir ({$installDir}) does not exist.", 'info'); | |
$result = false; | |
} | |
if (false !== $version && 1 !== preg_match('/^\d+\.\d+\.\d+(\-(alpha|beta|RC)\d*)*$/', $version)) { | |
out("The defined install version ({$version}) does not match release pattern.", 'info'); | |
$result = false; | |
} | |
if (false !== $cafile && (!file_exists($cafile) || !is_readable($cafile))) { | |
out("The defined Certificate Authority (CA) cert file ({$cafile}) does not exist or is not readable.", 'info'); | |
$result = false; | |
} | |
return $result; | |
} | |
/** | |
* Checks the platform for possible issues running Composer | |
* | |
* Errors are written to the output, warnings are saved for later display. | |
* | |
* @param array $warnings Populated by method, to be shown later | |
* @param bool $quiet Quiet mode | |
* @param bool $disableTls Bypass tls | |
* @param bool $install If we are installing, rather than diagnosing | |
* | |
* @return bool True if there are no errors | |
*/ | |
function checkPlatform(&$warnings, $quiet, $disableTls, $install) | |
{ | |
getPlatformIssues($errors, $warnings, $install); | |
// Make openssl warning an error if tls has not been specifically disabled | |
if (isset($warnings['openssl']) && !$disableTls) { | |
$errors['openssl'] = $warnings['openssl']; | |
unset($warnings['openssl']); | |
} | |
if (!empty($errors)) { | |
// Composer-Setup.exe uses "Some settings" to flag platform errors | |
out('Some settings on your machine make Composer unable to work properly.', 'error'); | |
out('Make sure that you fix the issues listed below and run this script again:', 'error'); | |
outputIssues($errors); | |
return false; | |
} | |
if (empty($warnings) && !$quiet) { | |
out('All settings correct for using Composer', 'success'); | |
} | |
return true; | |
} | |
/** | |
* Checks platform configuration for common incompatibility issues | |
* | |
* @param array $errors Populated by method | |
* @param array $warnings Populated by method | |
* @param bool $install If we are installing, rather than diagnosing | |
* | |
* @return bool If any errors or warnings have been found | |
*/ | |
function getPlatformIssues(&$errors, &$warnings, $install) | |
{ | |
$errors = array(); | |
$warnings = array(); | |
if ($iniPath = php_ini_loaded_file()) { | |
$iniMessage = PHP_EOL.'The php.ini used by your command-line PHP is: ' . $iniPath; | |
} else { | |
$iniMessage = PHP_EOL.'A php.ini file does not exist. You will have to create one.'; | |
} | |
$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 (ini_get('detect_unicode')) { | |
$errors['unicode'] = array( | |
'The detect_unicode setting must be disabled.', | |
'Add the following to the end of your `php.ini`:', | |
' detect_unicode = Off', | |
$iniMessage | |
); | |
} | |
if (extension_loaded('suhosin')) { | |
$suhosin = ini_get('suhosin.executor.include.whitelist'); | |
$suhosinBlacklist = ini_get('suhosin.executor.include.blacklist'); | |
if (false === stripos($suhosin, 'phar') && (!$suhosinBlacklist || false !== stripos($suhosinBlacklist, 'phar'))) { | |
$errors['suhosin'] = array( | |
'The suhosin.executor.include.whitelist setting is incorrect.', | |
'Add the following to the end of your `php.ini` or suhosin.ini (Example path [for Debian]: /etc/php5/cli/conf.d/suhosin.ini):', | |
' suhosin.executor.include.whitelist = phar '.$suhosin, | |
$iniMessage | |
); | |
} | |
} | |
if (!function_exists('json_decode')) { | |
$errors['json'] = array( | |
'The json extension is missing.', | |
'Install it or recompile php without --disable-json' | |
); | |
} | |
if (!extension_loaded('Phar')) { | |
$errors['phar'] = array( | |
'The phar extension is missing.', | |
'Install it or recompile php without --disable-phar' | |
); | |
} | |
if (!extension_loaded('filter')) { | |
$errors['filter'] = array( | |
'The filter extension is missing.', | |
'Install it or recompile php without --disable-filter' | |
); | |
} | |
if (!extension_loaded('hash')) { | |
$errors['hash'] = array( | |
'The hash extension is missing.', | |
'Install it or recompile php without --disable-hash' | |
); | |
} | |
if (!extension_loaded('iconv') && !extension_loaded('mbstring')) { | |
$errors['iconv_mbstring'] = array( | |
'The iconv OR mbstring extension is required and both are missing.', | |
'Install either of them or recompile php without --disable-iconv' | |
); | |
} | |
if (!ini_get('allow_url_fopen')) { | |
$errors['allow_url_fopen'] = array( | |
'The allow_url_fopen setting is incorrect.', | |
'Add the following to the end of your `php.ini`:', | |
' allow_url_fopen = On', | |
$iniMessage | |
); | |
} | |
if (extension_loaded('ionCube Loader') && ioncube_loader_iversion() < 40009) { | |
$ioncube = ioncube_loader_version(); | |
$errors['ioncube'] = array( | |
'Your ionCube Loader extension ('.$ioncube.') is incompatible with Phar files.', | |
'Upgrade to ionCube 4.0.9 or higher or remove this line (path may be different) from your `php.ini` to disable it:', | |
' zend_extension = /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so', | |
$iniMessage | |
); | |
} | |
if (version_compare(PHP_VERSION, '5.3.2', '<')) { | |
$errors['php'] = array( | |
'Your PHP ('.PHP_VERSION.') is too old, you must upgrade to PHP 5.3.2 or higher.' | |
); | |
} | |
if (version_compare(PHP_VERSION, '5.3.4', '<')) { | |
$warnings['php'] = array( | |
'Your PHP ('.PHP_VERSION.') is quite old, upgrading to PHP 5.3.4 or higher is recommended.', | |
'Composer works with 5.3.2+ for most people, but there might be edge case issues.' | |
); | |
} | |
if (!extension_loaded('openssl')) { | |
$warnings['openssl'] = array( | |
'The openssl extension is missing, which means that secure HTTPS transfers are impossible.', | |
'If possible you should enable it or recompile php with --with-openssl' | |
); | |
} | |
if (extension_loaded('openssl') && OPENSSL_VERSION_NUMBER < 0x1000100f) { | |
// Attempt to parse version number out, fallback to whole string value. | |
$opensslVersion = trim(strstr(OPENSSL_VERSION_TEXT, ' ')); | |
$opensslVersion = substr($opensslVersion, 0, strpos($opensslVersion, ' ')); | |
$opensslVersion = $opensslVersion ? $opensslVersion : OPENSSL_VERSION_TEXT; | |
$warnings['openssl_version'] = array( | |
'The OpenSSL library ('.$opensslVersion.') used by PHP does not support TLSv1.2 or TLSv1.1.', | |
'If possible you should upgrade OpenSSL to version 1.0.1 or above.' | |
); | |
} | |
if (!defined('HHVM_VERSION') && !extension_loaded('apcu') && ini_get('apc.enable_cli')) { | |
$warnings['apc_cli'] = array( | |
'The apc.enable_cli setting is incorrect.', | |
'Add the following to the end of your `php.ini`:', | |
' apc.enable_cli = Off', | |
$iniMessage | |
); | |
} | |
if (!$install && extension_loaded('xdebug')) { | |
$warnings['xdebug_loaded'] = array( | |
'The xdebug extension is loaded, this can slow down Composer a little.', | |
'Disabling it when using Composer is recommended.' | |
); | |
if (ini_get('xdebug.profiler_enabled')) { | |
$warnings['xdebug_profile'] = array( | |
'The xdebug.profiler_enabled setting is enabled, this can slow down Composer a lot.', | |
'Add the following to the end of your `php.ini` to disable it:', | |
' xdebug.profiler_enabled = 0', | |
$iniMessage | |
); | |
} | |
} | |
if (!extension_loaded('zlib')) { | |
$warnings['zlib'] = array( | |
'The zlib extension is not loaded, this can slow down Composer a lot.', | |
'If possible, install it or recompile php with --with-zlib', | |
$iniMessage | |
); | |
} | |
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'] = array( | |
'The Windows OneDrive folder is not supported on PHP versions below 7.2.23 and 7.3.10.', | |
'Upgrade your PHP ('.PHP_VERSION.') to use this location with Composer.' | |
); | |
} | |
if (extension_loaded('uopz') && !(ini_get('uopz.disable') || ini_get('uopz.exit'))) { | |
$warnings['uopz'] = array( | |
'The uopz extension ignores exit calls and may not work with all Composer commands.', | |
'Disabling it when using Composer is recommended.' | |
); | |
} | |
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')) { | |
$warnings['sigchild'] = array( | |
'PHP was compiled with --enable-sigchild which can cause issues on some platforms.', | |
'Recompile it without this flag if possible, see also:', | |
' https://bugs.php.net/bug.php?id=22999' | |
); | |
} | |
if (false !== strpos($configure, '--with-curlwrappers')) { | |
$warnings['curlwrappers'] = array( | |
'PHP was compiled with --with-curlwrappers which will cause issues with HTTP authentication and GitHub.', | |
'Recompile it without this flag if possible' | |
); | |
} | |
} | |
// Stringify the message arrays | |
foreach ($errors as $key => $value) { | |
$errors[$key] = PHP_EOL.implode(PHP_EOL, $value); | |
} | |
foreach ($warnings as $key => $value) { | |
$warnings[$key] = PHP_EOL.implode(PHP_EOL, $value); | |
} | |
return !empty($errors) || !empty($warnings); | |
} | |
/** | |
* Outputs an array of issues | |
* | |
* @param array $issues | |
*/ | |
function outputIssues($issues) | |
{ | |
foreach ($issues as $issue) { | |
out($issue, 'info'); | |
} | |
out(''); | |
} | |
/** | |
* Outputs any warnings found | |
* | |
* @param array $warnings | |
*/ | |
function showWarnings($warnings) | |
{ | |
if (!empty($warnings)) { | |
out('Some settings on your machine may cause stability issues with Composer.', 'error'); | |
out('If you encounter issues, try to change the following:', 'error'); | |
outputIssues($warnings); | |
} | |
} | |
/** | |
* Outputs an end of process warning if tls has been bypassed | |
* | |
* @param bool $disableTls Bypass tls | |
*/ | |
function showSecurityWarning($disableTls) | |
{ | |
if ($disableTls) { | |
out('You have instructed the Installer not to enforce SSL/TLS security on remote HTTPS requests.', 'info'); | |
out('This will leave all downloads during installation vulnerable to Man-In-The-Middle (MITM) attacks', 'info'); | |
} | |
} | |
/** | |
* colorize output | |
*/ | |
function out($text, $color = null, $newLine = true) | |
{ | |
$styles = array( | |
'success' => "\033[0;32m%s\033[0m", | |
'error' => "\033[31;31m%s\033[0m", | |
'info' => "\033[33;33m%s\033[0m" | |
); | |
$format = '%s'; | |
if (isset($styles[$color]) && USE_ANSI) { | |
$format = $styles[$color]; | |
} | |
if ($newLine) { | |
$format .= PHP_EOL; | |
} | |
printf($format, $text); | |
} | |
/** | |
* Returns the system-dependent Composer home location, which may not exist | |
* | |
* @return string | |
*/ | |
function getHomeDir() | |
{ | |
$home = getenv('COMPOSER_HOME'); | |
if ($home) { | |
return $home; | |
} | |
$userDir = getUserDir(); | |
if (defined('PHP_WINDOWS_VERSION_MAJOR')) { | |
return $userDir.'/Composer'; | |
} | |
$dirs = array(); | |
if (useXdg()) { | |
// XDG Base Directory Specifications | |
$xdgConfig = getenv('XDG_CONFIG_HOME'); | |
if (!$xdgConfig) { | |
$xdgConfig = $userDir . '/.config'; | |
} | |
$dirs[] = $xdgConfig . '/composer'; | |
} | |
$dirs[] = $userDir . '/.composer'; | |
// select first dir which exists of: $XDG_CONFIG_HOME/composer or ~/.composer | |
foreach ($dirs as $dir) { | |
if (is_dir($dir)) { | |
return $dir; | |
} | |
} | |
// if none exists, we default to first defined one (XDG one if system uses it, or ~/.composer otherwise) | |
return $dirs[0]; | |
} | |
/** | |
* Returns the location of the user directory from the environment | |
* @throws RuntimeException If the environment value does not exists | |
* | |
* @return string | |
*/ | |
function getUserDir() | |
{ | |
$userEnv = defined('PHP_WINDOWS_VERSION_MAJOR') ? 'APPDATA' : 'HOME'; | |
$userDir = getenv($userEnv); | |
if (!$userDir) { | |
throw new RuntimeException('The '.$userEnv.' or COMPOSER_HOME environment variable must be set for composer to run correctly'); | |
} | |
return rtrim(strtr($userDir, '\\', '/'), '/'); | |
} | |
/** | |
* @return bool | |
*/ | |
function useXdg() | |
{ | |
foreach (array_keys($_SERVER) as $key) { | |
if (strpos($key, 'XDG_') === 0) { | |
return true; | |
} | |
} | |
if (is_dir('/etc/xdg')) { | |
return true; | |
} | |
return false; | |
} | |
function validateCaFile($contents) | |
{ | |
// assume the CA is valid if php is vulnerable to | |
// https://www.sektioneins.de/advisories/advisory-012013-php-openssl_x509_parse-memory-corruption-vulnerability.html | |
if ( | |
PHP_VERSION_ID <= 50327 | |
|| (PHP_VERSION_ID >= 50400 && PHP_VERSION_ID < 50422) | |
|| (PHP_VERSION_ID >= 50500 && PHP_VERSION_ID < 50506) | |
) { | |
return !empty($contents); | |
} | |
return (bool) openssl_x509_parse($contents); | |
} | |
class Installer | |
{ | |
private $quiet; | |
private $disableTls; | |
private $cafile; | |
private $displayPath; | |
private $target; | |
private $tmpFile; | |
private $tmpCafile; | |
private $baseUrl; | |
private $algo; | |
private $errHandler; | |
private $httpClient; | |
private $pubKeys = array(); | |
private $installs = array(); | |
/** | |
* Constructor - must not do anything that throws an exception | |
* | |
* @param bool $quiet Quiet mode | |
* @param bool $disableTls Bypass tls | |
* @param mixed $cafile Path to CA bundle, or false | |
*/ | |
public function __construct($quiet, $disableTls, $caFile) | |
{ | |
if (($this->quiet = $quiet)) { | |
ob_start(); | |
} | |
$this->disableTls = $disableTls; | |
$this->cafile = $caFile; | |
$this->errHandler = new ErrorHandler(); | |
} | |
/** | |
* Runs the installer | |
* | |
* @param mixed $version Specific version to install, or false | |
* @param mixed $installDir Specific installation directory, or false | |
* @param string $filename Specific filename to save to, or composer.phar | |
* @param string $channel Specific version channel to use | |
* @throws Exception If anything other than a RuntimeException is caught | |
* | |
* @return bool If the installation succeeded | |
*/ | |
public function run($version, $installDir, $filename, $channel) | |
{ | |
try { | |
$this->initTargets($installDir, $filename); | |
$this->initTls(); | |
$this->httpClient = new HttpClient($this->disableTls, $this->cafile); | |
$result = $this->install($version, $channel); | |
// in case --1 or --2 is passed, we leave the default channel for next self-update to stable | |
if (is_numeric($channel)) { | |
$channel = 'stable'; | |
} | |
if ($result && $channel !== 'stable' && !$version && defined('PHP_BINARY')) { | |
$null = (defined('PHP_WINDOWS_VERSION_MAJOR') ? 'NUL' : '/dev/null'); | |
@exec(escapeshellarg(PHP_BINARY) .' '.escapeshellarg($this->target).' self-update --'.$channel.' --set-channel-only -q > '.$null.' 2> '.$null, $output); | |
} | |
} catch (Exception $e) { | |
$result = false; | |
} | |
// Always clean up | |
$this->cleanUp($result); | |
if (isset($e)) { | |
// Rethrow anything that is not a RuntimeException | |
if (!$e instanceof RuntimeException) { | |
throw $e; | |
} | |
out($e->getMessage(), 'error'); | |
} | |
return $result; | |
} | |
/** | |
* Initialization methods to set the required filenames and composer url | |
* | |
* @param mixed $installDir Specific installation directory, or false | |
* @param string $filename Specific filename to save to, or composer.phar | |
* @throws RuntimeException If the installation directory is not writable | |
*/ | |
protected function initTargets($installDir, $filename) | |
{ | |
$this->displayPath = ($installDir ? rtrim($installDir, '/').'/' : '').$filename; | |
$installDir = $installDir ? realpath($installDir) : getcwd(); | |
if (!is_writeable($installDir)) { | |
throw new RuntimeException('The installation directory "'.$installDir.'" is not writable'); | |
} | |
$this->target = $installDir.DIRECTORY_SEPARATOR.$filename; | |
$this->tmpFile = $installDir.DIRECTORY_SEPARATOR.basename($this->target, '.phar').'-temp.phar'; | |
$uriScheme = $this->disableTls ? 'http' : 'https'; | |
$this->baseUrl = $uriScheme.'://getcomposer.org'; | |
} | |
/** | |
* A wrapper around methods to check tls and write public keys | |
* @throws RuntimeException If SHA384 is not supported | |
*/ | |
protected function initTls() | |
{ | |
if ($this->disableTls) { | |
return; | |
} | |
if (!in_array('sha384', array_map('strtolower', openssl_get_md_methods()))) { | |
throw new RuntimeException('SHA384 is not supported by your openssl extension'); | |
} | |
$this->algo = defined('OPENSSL_ALGO_SHA384') ? OPENSSL_ALGO_SHA384 : 'SHA384'; | |
$home = $this->getComposerHome(); | |
$this->pubKeys = array( | |
'dev' => $this->installKey(self::getPKDev(), $home, 'keys.dev.pub'), | |
'tags' => $this->installKey(self::getPKTags(), $home, 'keys.tags.pub') | |
); | |
if (empty($this->cafile) && !HttpClient::getSystemCaRootBundlePath()) { | |
$this->cafile = $this->tmpCafile = $this->installKey(HttpClient::getPackagedCaFile(), $home, 'cacert-temp.pem'); | |
} | |
} | |
/** | |
* Returns the Composer home directory, creating it if required | |
* @throws RuntimeException If the directory cannot be created | |
* | |
* @return string | |
*/ | |
protected function getComposerHome() | |
{ | |
$home = getHomeDir(); | |
if (!is_dir($home)) { | |
$this->errHandler->start(); | |
if (!mkdir($home, 0777, true)) { | |
throw new RuntimeException(sprintf( | |
'Unable to create Composer home directory "%s": %s', | |
$home, | |
$this->errHandler->message | |
)); | |
} | |
$this->installs[] = $home; | |
$this->errHandler->stop(); | |
} | |
return $home; | |
} | |
/** | |
* Writes public key data to disc | |
* | |
* @param string $data The public key(s) in pem format | |
* @param string $path The directory to write to | |
* @param string $filename The name of the file | |
* @throws RuntimeException If the file cannot be written | |
* | |
* @return string The path to the saved data | |
*/ | |
protected function installKey($data, $path, $filename) | |
{ | |
$this->errHandler->start(); | |
$target = $path.DIRECTORY_SEPARATOR.$filename; | |
$installed = file_exists($target); | |
$write = file_put_contents($target, $data, LOCK_EX); | |
@chmod($target, 0644); | |
$this->errHandler->stop(); | |
if (!$write) { | |
throw new RuntimeException(sprintf('Unable to write %s to: %s', $filename, $path)); | |
} | |
if (!$installed) { | |
$this->installs[] = $target; | |
} | |
return $target; | |
} | |
/** | |
* The main install function | |
* | |
* @param mixed $version Specific version to install, or false | |
* @param string $channel Version channel to use | |
* | |
* @return bool If the installation succeeded | |
*/ | |
protected function install($version, $channel) | |
{ | |
$retries = 3; | |
$result = false; | |
$infoMsg = 'Downloading...'; | |
$infoType = 'info'; | |
while ($retries--) { | |
if (!$this->quiet) { | |
out($infoMsg, $infoType); | |
$infoMsg = 'Retrying...'; | |
$infoType = 'error'; | |
} | |
if (!$this->getVersion($channel, $version, $url, $error)) { | |
out($error, 'error'); | |
continue; | |
} | |
if (!$this->downloadToTmp($url, $signature, $error)) { | |
out($error, 'error'); | |
continue; | |
} | |
if (!$this->verifyAndSave($version, $signature, $error)) { | |
out($error, 'error'); | |
continue; | |
} | |
$result = true; | |
break; | |
} | |
if (!$this->quiet) { | |
if ($result) { | |
out(PHP_EOL."Composer (version {$version}) successfully installed to: {$this->target}", 'success'); | |
out("Use it: php {$this->displayPath}", 'info'); | |
out(''); | |
} else { | |
out('The download failed repeatedly, aborting.', 'error'); | |
} | |
} | |
return $result; | |
} | |
/** | |
* Sets the version url, downloading version data if required | |
* | |
* @param string $channel Version channel to use | |
* @param false|string $version Version to install, or set by method | |
* @param null|string $url The versioned url, set by method | |
* @param null|string $error Set by method on failure | |
* | |
* @return bool If the operation succeeded | |
*/ | |
protected function getVersion($channel, &$version, &$url, &$error) | |
{ | |
$error = ''; | |
if ($version) { | |
if (empty($url)) { | |
$url = $this->baseUrl."/download/{$version}/composer.phar"; | |
} | |
return true; | |
} | |
$this->errHandler->start(); | |
if ($this->downloadVersionData($data, $error)) { | |
$this->parseVersionData($data, $channel, $version, $url); | |
} | |
$this->errHandler->stop(); | |
return empty($error); | |
} | |
/** | |
* Downloads and json-decodes version data | |
* | |
* @param null|array $data Downloaded version data, set by method | |
* @param null|string $error Set by method on failure | |
* | |
* @return bool If the operation succeeded | |
*/ | |
protected function downloadVersionData(&$data, &$error) | |
{ | |
$url = $this->baseUrl.'/versions'; | |
$errFmt = 'The "%s" file could not be %s: %s'; | |
if (!$json = $this->httpClient->get($url)) { | |
$error = sprintf($errFmt, $url, 'downloaded', $this->errHandler->message); | |
return false; | |
} | |
if (!$data = json_decode($json, true)) { | |
$error = sprintf($errFmt, $url, 'json-decoded', $this->getJsonError()); | |
return false; | |
} | |
return true; | |
} | |
/** | |
* A wrapper around the methods needed to download and save the phar | |
* | |
* @param string $url The versioned download url | |
* @param null|string $signature Set by method on successful download | |
* @param null|string $error Set by method on failure | |
* | |
* @return bool If the operation succeeded | |
*/ | |
protected function downloadToTmp($url, &$signature, &$error) | |
{ | |
$error = ''; | |
$errFmt = 'The "%s" file could not be downloaded: %s'; | |
$sigUrl = $url.'.sig'; | |
$this->errHandler->start(); | |
if (!$fh = fopen($this->tmpFile, 'w')) { | |
$error = sprintf('Could not create file "%s": %s', $this->tmpFile, $this->errHandler->message); | |
} elseif (!$this->getSignature($sigUrl, $signature)) { | |
$error = sprintf($errFmt, $sigUrl, $this->errHandler->message); | |
} elseif (!fwrite($fh, $this->httpClient->get($url))) { | |
$error = sprintf($errFmt, $url, $this->errHandler->message); | |
} | |
if (is_resource($fh)) { | |
fclose($fh); | |
} | |
$this->errHandler->stop(); | |
return empty($error); | |
} | |
/** | |
* Verifies the downloaded file and saves it to the target location | |
* | |
* @param string $version The composer version downloaded | |
* @param string $signature The digital signature to check | |
* @param null|string $error Set by method on failure | |
* | |
* @return bool If the operation succeeded | |
*/ | |
protected function verifyAndSave($version, $signature, &$error) | |
{ | |
$error = ''; | |
if (!$this->validatePhar($this->tmpFile, $pharError)) { | |
$error = 'The download is corrupt: '.$pharError; | |
} elseif (!$this->verifySignature($version, $signature, $this->tmpFile)) { | |
$error = 'Signature mismatch, could not verify the phar file integrity'; | |
} else { | |
$this->errHandler->start(); | |
if (!rename($this->tmpFile, $this->target)) { | |
$error = sprintf('Could not write to file "%s": %s', $this->target, $this->errHandler->message); | |
} | |
chmod($this->target, 0755); | |
$this->errHandler->stop(); | |
} | |
return empty($error); | |
} | |
/** | |
* Parses an array of version data to match the required channel | |
* | |
* @param array $data Downloaded version data | |
* @param mixed $channel Version channel to use | |
* @param false|string $version Set by method | |
* @param mixed $url The versioned url, set by method | |
*/ | |
protected function parseVersionData(array $data, $channel, &$version, &$url) | |
{ | |
foreach ($data[$channel] as $candidate) { | |
if ($candidate['min-php'] <= PHP_VERSION_ID) { | |
$version = $candidate['version']; | |
$url = $this->baseUrl.$candidate['path']; | |
break; | |
} | |
} | |
if (!$version) { | |
$error = sprintf( | |
'None of the %d %s version(s) of Composer matches your PHP version (%s / ID: %d)', | |
count($data[$channel]), | |
$channel, | |
PHP_VERSION, | |
PHP_VERSION_ID | |
); | |
throw new RuntimeException($error); | |
} | |
} | |
/** | |
* Downloads the digital signature of required phar file | |
* | |
* @param string $url The signature url | |
* @param null|string $signature Set by method on success | |
* | |
* @return bool If the download succeeded | |
*/ | |
protected function getSignature($url, &$signature) | |
{ | |
if (!$result = $this->disableTls) { | |
$signature = $this->httpClient->get($url); | |
if ($signature) { | |
$signature = json_decode($signature, true); | |
$signature = base64_decode($signature['sha384']); | |
$result = true; | |
} | |
} | |
return $result; | |
} | |
/** | |
* Verifies the signature of the downloaded phar | |
* | |
* @param string $version The composer versione | |
* @param string $signature The downloaded digital signature | |
* @param string $file The temp phar file | |
* | |
* @return bool If the operation succeeded | |
*/ | |
protected function verifySignature($version, $signature, $file) | |
{ | |
if (!$result = $this->disableTls) { | |
$path = preg_match('{^[0-9a-f]{40}$}', $version) ? $this->pubKeys['dev'] : $this->pubKeys['tags']; | |
$pubkeyid = openssl_pkey_get_public('file://'.$path); | |
$result = 1 === openssl_verify( | |
file_get_contents($file), | |
$signature, | |
$pubkeyid, | |
$this->algo | |
); | |
// PHP 8 automatically frees the key instance and deprecates the function | |
if (PHP_VERSION_ID < 80000) { | |
openssl_free_key($pubkeyid); | |
} | |
} | |
return $result; | |
} | |
/** | |
* Validates the downloaded phar file | |
* | |
* @param string $pharFile The temp phar file | |
* @param null|string $error Set by method on failure | |
* | |
* @return bool If the operation succeeded | |
*/ | |
protected function validatePhar($pharFile, &$error) | |
{ | |
if (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 a string representation of the last json error | |
* | |
* @return string The error string or code | |
*/ | |
protected function getJsonError() | |
{ | |
if (function_exists('json_last_error_msg')) { | |
return json_last_error_msg(); | |
} else { | |
return 'json_last_error = '.json_last_error(); | |
} | |
} | |
/** | |
* Cleans up resources at the end of the installation | |
* | |
* @param bool $result If the installation succeeded | |
*/ | |
protected function cleanUp($result) | |
{ | |
if (!$result) { | |
// Output buffered errors | |
if ($this->quiet) { | |
$this->outputErrors(); | |
} | |
// Clean up stuff we created | |
$this->uninstall(); | |
} elseif ($this->tmpCafile) { | |
@unlink($this->tmpCafile); | |
} | |
} | |
/** | |
* Outputs unique errors when in quiet mode | |
* | |
*/ | |
protected function outputErrors() | |
{ | |
$errors = explode(PHP_EOL, ob_get_clean()); | |
$shown = array(); | |
foreach ($errors as $error) { | |
if ($error && !in_array($error, $shown)) { | |
out($error, 'error'); | |
$shown[] = $error; | |
} | |
} | |
} | |
/** | |
* Uninstalls newly-created files and directories on failure | |
* | |
*/ | |
protected function uninstall() | |
{ | |
foreach (array_reverse($this->installs) as $target) { | |
if (is_file($target)) { | |
@unlink($target); | |
} elseif (is_dir($target)) { | |
@rmdir($target); | |
} | |
} | |
if (file_exists($this->tmpFile)) { | |
@unlink($this->tmpFile); | |
} | |
} | |
public static function getPKDev() | |
{ | |
return <<<PKDEV | |
-----BEGIN PUBLIC KEY----- | |
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnBDHjZS6e0ZMoK3xTD7f | |
FNCzlXjX/Aie2dit8QXA03pSrOTbaMnxON3hUL47Lz3g1SC6YJEMVHr0zYq4elWi | |
i3ecFEgzLcj+pZM5X6qWu2Ozz4vWx3JYo1/a/HYdOuW9e3lwS8VtS0AVJA+U8X0A | |
hZnBmGpltHhO8hPKHgkJtkTUxCheTcbqn4wGHl8Z2SediDcPTLwqezWKUfrYzu1f | |
o/j3WFwFs6GtK4wdYtiXr+yspBZHO3y1udf8eFFGcb2V3EaLOrtfur6XQVizjOuk | |
8lw5zzse1Qp/klHqbDRsjSzJ6iL6F4aynBc6Euqt/8ccNAIz0rLjLhOraeyj4eNn | |
8iokwMKiXpcrQLTKH+RH1JCuOVxQ436bJwbSsp1VwiqftPQieN+tzqy+EiHJJmGf | |
TBAbWcncicCk9q2md+AmhNbvHO4PWbbz9TzC7HJb460jyWeuMEvw3gNIpEo2jYa9 | |
pMV6cVqnSa+wOc0D7pC9a6bne0bvLcm3S+w6I5iDB3lZsb3A9UtRiSP7aGSo7D72 | |
8tC8+cIgZcI7k9vjvOqH+d7sdOU2yPCnRY6wFh62/g8bDnUpr56nZN1G89GwM4d4 | |
r/TU7BQQIzsZgAiqOGXvVklIgAMiV0iucgf3rNBLjjeNEwNSTTG9F0CtQ+7JLwaE | |
wSEuAuRm+pRqi8BRnQ/GKUcCAwEAAQ== | |
-----END PUBLIC KEY----- | |
PKDEV; | |
} | |
public static function getPKTags() | |
{ | |
return <<<PKTAGS | |
-----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----- | |
PKTAGS; | |
} | |
} | |
class ErrorHandler | |
{ | |
public $message; | |
protected $active; | |
/** | |
* Handle php errors | |
* | |
* @param mixed $code The error code | |
* @param mixed $msg The error message | |
*/ | |
public function handleError($code, $msg) | |
{ | |
if ($this->message) { | |
$this->message .= PHP_EOL; | |
} | |
$this->message .= preg_replace('{^file_get_contents\(.*?\): }', '', $msg); | |
} | |
/** | |
* Starts error-handling if not already active | |
* | |
* Any message is cleared | |
*/ | |
public function start() | |
{ | |
if (!$this->active) { | |
set_error_handler(array($this, 'handleError')); | |
$this->active = true; | |
} | |
$this->message = ''; | |
} | |
/** | |
* Stops error-handling if active | |
* | |
* Any message is preserved until the next call to start() | |
*/ | |
public function stop() | |
{ | |
if ($this->active) { | |
restore_error_handler(); | |
$this->active = false; | |
} | |
} | |
} | |
class NoProxyPattern | |
{ | |
private $composerInNoProxy = false; | |
private $rulePorts = array(); | |
public function __construct($pattern) | |
{ | |
$rules = preg_split('{[\s,]+}', $pattern, null, PREG_SPLIT_NO_EMPTY); | |
if ($matches = preg_grep('{getcomposer\.org(?::\d+)?}i', $rules)) { | |
$this->composerInNoProxy = true; | |
foreach ($matches as $match) { | |
if (strpos($match, ':') !== false) { | |
list(, $port) = explode(':', $match); | |
$this->rulePorts[] = (int) $port; | |
} | |
} | |
} | |
} | |
/** | |
* Returns true if NO_PROXY contains getcomposer.org | |
* | |
* @param string $url http(s)://getcomposer.org | |
* | |
* @return bool | |
*/ | |
public function test($url) | |
{ | |
if (!$this->composerInNoProxy) { | |
return false; | |
} | |
if (empty($this->rulePorts)) { | |
return true; | |
} | |
if (strpos($url, 'http://') === 0) { | |
$port = 80; | |
} else { | |
$port = 443; | |
} | |
return in_array($port, $this->rulePorts); | |
} | |
} | |
class HttpClient { | |
private $options = array('http' => array()); | |
private $disableTls = false; | |
public function __construct($disableTls = false, $cafile = false) | |
{ | |
$this->disableTls = $disableTls; | |
if ($this->disableTls === false) { | |
if (!empty($cafile) && !is_dir($cafile)) { | |
if (!is_readable($cafile) || !validateCaFile(file_get_contents($cafile))) { | |
throw new RuntimeException('The configured cafile (' .$cafile. ') was not valid or could not be read.'); | |
} | |
} | |
$options = $this->getTlsStreamContextDefaults($cafile); | |
$this->options = array_replace_recursive($this->options, $options); | |
} | |
} | |
public function get($url) | |
{ | |
$context = $this->getStreamContext($url); | |
$result = file_get_contents($url, false, $context); | |
if ($result && extension_loaded('zlib')) { | |
$decode = false; | |
foreach ($http_response_header as $header) { | |
if (preg_match('{^content-encoding: *gzip *$}i', $header)) { | |
$decode = true; | |
continue; | |
} elseif (preg_match('{^HTTP/}i', $header)) { | |
$decode = false; | |
} | |
} | |
if ($decode) { | |
if (version_compare(PHP_VERSION, '5.4.0', '>=')) { | |
$result = zlib_decode($result); | |
} else { | |
// work around issue with gzuncompress & co that do not work with all gzip checksums | |
$result = file_get_contents('compress.zlib://data:application/octet-stream;base64,'.base64_encode($result)); | |
} | |
if (!$result) { | |
throw new RuntimeException('Failed to decode zlib stream'); | |
} | |
} | |
} | |
return $result; | |
} | |
protected function getStreamContext($url) | |
{ | |
if ($this->disableTls === false) { | |
if (PHP_VERSION_ID < 50600) { | |
$this->options['ssl']['SNI_server_name'] = parse_url($url, PHP_URL_HOST); | |
} | |
} | |
// Keeping the above mostly isolated from the code copied from Composer. | |
return $this->getMergedStreamContext($url); | |
} | |
protected function getTlsStreamContextDefaults($cafile) | |
{ | |
$ciphers = implode(':', array( | |
'ECDHE-RSA-AES128-GCM-SHA256', | |
'ECDHE-ECDSA-AES128-GCM-SHA256', | |
'ECDHE-RSA-AES256-GCM-SHA384', | |
'ECDHE-ECDSA-AES256-GCM-SHA384', | |
'DHE-RSA-AES128-GCM-SHA256', | |
'DHE-DSS-AES128-GCM-SHA256', | |
'kEDH+AESGCM', | |
'ECDHE-RSA-AES128-SHA256', | |
'ECDHE-ECDSA-AES128-SHA256', | |
'ECDHE-RSA-AES128-SHA', | |
'ECDHE-ECDSA-AES128-SHA', | |
'ECDHE-RSA-AES256-SHA384', | |
'ECDHE-ECDSA-AES256-SHA384', | |
'ECDHE-RSA-AES256-SHA', | |
'ECDHE-ECDSA-AES256-SHA', | |
'DHE-RSA-AES128-SHA256', | |
'DHE-RSA-AES128-SHA', | |
'DHE-DSS-AES128-SHA256', | |
'DHE-RSA-AES256-SHA256', | |
'DHE-DSS-AES256-SHA', | |
'DHE-RSA-AES256-SHA', | |
'AES128-GCM-SHA256', | |
'AES256-GCM-SHA384', | |
'AES128-SHA256', | |
'AES256-SHA256', | |
'AES128-SHA', | |
'AES256-SHA', | |
'AES', | |
'CAMELLIA', | |
'DES-CBC3-SHA', | |
'!aNULL', | |
'!eNULL', | |
'!EXPORT', | |
'!DES', | |
'!RC4', | |
'!MD5', | |
'!PSK', | |
'!aECDH', | |
'!EDH-DSS-DES-CBC3-SHA', | |
'!EDH-RSA-DES-CBC3-SHA', | |
'!KRB5-DES-CBC3-SHA', | |
)); | |
/** | |
* CN_match and SNI_server_name are only known once a URL is passed. | |
* They will be set in the getOptionsForUrl() method which receives a URL. | |
* | |
* cafile or capath can be overridden by passing in those options to constructor. | |
*/ | |
$options = array( | |
'ssl' => array( | |
'ciphers' => $ciphers, | |
'verify_peer' => true, | |
'verify_depth' => 7, | |
'SNI_enabled' => true, | |
) | |
); | |
/** | |
* Attempt to find a local cafile or throw an exception. | |
* The user may go download one if this occurs. | |
*/ | |
if (!$cafile) { | |
$cafile = self::getSystemCaRootBundlePath(); | |
} | |
if (is_dir($cafile)) { | |
$options['ssl']['capath'] = $cafile; | |
} elseif ($cafile) { | |
$options['ssl']['cafile'] = $cafile; | |
} else { | |
throw new RuntimeException('A valid cafile could not be located automatically.'); | |
} | |
/** | |
* Disable TLS compression to prevent CRIME attacks where supported. | |
*/ | |
if (version_compare(PHP_VERSION, '5.4.13') >= 0) { | |
$options['ssl']['disable_compression'] = true; | |
} | |
return $options; | |
} | |
/** | |
* function copied from Composer\Util\StreamContextFactory::initOptions | |
* | |
* Any changes should be applied there as well, or backported here. | |
* | |
* @param string $url URL the context is to be used for | |
* @return resource Default context | |
* @throws \RuntimeException if https proxy required and OpenSSL uninstalled | |
*/ | |
protected function getMergedStreamContext($url) | |
{ | |
$options = $this->options; | |
// Handle HTTP_PROXY/http_proxy on CLI only for security reasons | |
if ((PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') && (!empty($_SERVER['HTTP_PROXY']) || !empty($_SERVER['http_proxy']))) { | |
$proxy = parse_url(!empty($_SERVER['http_proxy']) ? $_SERVER['http_proxy'] : $_SERVER['HTTP_PROXY']); | |
} | |
// Prefer CGI_HTTP_PROXY if available | |
if (!empty($_SERVER['CGI_HTTP_PROXY'])) { | |
$proxy = parse_url($_SERVER['CGI_HTTP_PROXY']); | |
} | |
// Override with HTTPS proxy if present and URL is https | |
if (preg_match('{^https://}i', $url) && (!empty($_SERVER['HTTPS_PROXY']) || !empty($_SERVER['https_proxy']))) { | |
$proxy = parse_url(!empty($_SERVER['https_proxy']) ? $_SERVER['https_proxy'] : $_SERVER['HTTPS_PROXY']); | |
} | |
// Remove proxy if URL matches no_proxy directive | |
if (!empty($_SERVER['NO_PROXY']) || !empty($_SERVER['no_proxy']) && parse_url($url, PHP_URL_HOST)) { | |
$pattern = new NoProxyPattern(!empty($_SERVER['no_proxy']) ? $_SERVER['no_proxy'] : $_SERVER['NO_PROXY']); | |
if ($pattern->test($url)) { | |
unset($proxy); | |
} | |
} | |
if (!empty($proxy)) { | |
$proxyURL = isset($proxy['scheme']) ? $proxy['scheme'] . '://' : ''; | |
$proxyURL .= isset($proxy['host']) ? $proxy['host'] : ''; | |
if (isset($proxy['port'])) { | |
$proxyURL .= ":" . $proxy['port']; | |
} elseif (strpos($proxyURL, 'http://') === 0) { | |
$proxyURL .= ":80"; | |
} elseif (strpos($proxyURL, 'https://') === 0) { | |
$proxyURL .= ":443"; | |
} | |
// check for a secure proxy | |
if (strpos($proxyURL, 'https://') === 0) { | |
if (!extension_loaded('openssl')) { | |
throw new RuntimeException('You must enable the openssl extension to use a secure proxy.'); | |
} | |
if (strpos($url, 'https://') === 0) { | |
throw new RuntimeException('PHP does not support https requests through a secure proxy.'); | |
} | |
} | |
// http(s):// is not supported in proxy | |
$proxyURL = str_replace(array('http://', 'https://'), array('tcp://', 'ssl://'), $proxyURL); | |
$options['http'] = array( | |
'proxy' => $proxyURL, | |
); | |
// add request_fulluri for http requests | |
if ('http' === parse_url($url, PHP_URL_SCHEME)) { | |
$options['http']['request_fulluri'] = true; | |
} | |
// handle proxy auth if present | |
if (isset($proxy['user'])) { | |
$auth = rawurldecode($proxy['user']); | |
if (isset($proxy['pass'])) { | |
$auth .= ':' . rawurldecode($proxy['pass']); | |
} | |
$auth = base64_encode($auth); | |
$options['http']['header'] = "Proxy-Authorization: Basic {$auth}\r\n"; | |
} | |
} | |
if (isset($options['http']['header'])) { | |
$options['http']['header'] .= "Connection: close\r\n"; | |
} else { | |
$options['http']['header'] = "Connection: close\r\n"; | |
} | |
if (extension_loaded('zlib')) { | |
$options['http']['header'] .= "Accept-Encoding: gzip\r\n"; | |
} | |
$options['http']['header'] .= "User-Agent: ".COMPOSER_INSTALLER."\r\n"; | |
$options['http']['protocol_version'] = 1.1; | |
$options['http']['timeout'] = 600; | |
return stream_context_create($options); | |
} | |
/** | |
* This method was adapted from Sslurp. | |
* https://github.com/EvanDotPro/Sslurp | |
* | |
* (c) Evan Coury <[email protected]> | |
* | |
* For the full copyright and license information, please see below: | |
* | |
* Copyright (c) 2013, Evan Coury | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without modification, | |
* are permitted provided that the following conditions are met: | |
* | |
* * Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* | |
* * Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
public static function getSystemCaRootBundlePath() | |
{ | |
static $caPath = null; | |
if ($caPath !== null) { | |
return $caPath; | |
} | |
// If SSL_CERT_FILE env variable points to a valid certificate/bundle, use that. | |
// This mimics how OpenSSL uses the SSL_CERT_FILE env variable. | |
$envCertFile = getenv('SSL_CERT_FILE'); | |
if ($envCertFile && is_readable($envCertFile) && validateCaFile(file_get_contents($envCertFile))) { | |
return $caPath = $envCertFile; | |
} | |
// If SSL_CERT_DIR env variable points to a valid certificate/bundle, use that. | |
// This mimics how OpenSSL uses the SSL_CERT_FILE env variable. | |
$envCertDir = getenv('SSL_CERT_DIR'); | |
if ($envCertDir && is_dir($envCertDir) && is_readable($envCertDir)) { | |
return $caPath = $envCertDir; | |
} | |
$configured = ini_get('openssl.cafile'); | |
if ($configured && strlen($configured) > 0 && is_readable($configured) && validateCaFile(file_get_contents($configured))) { | |
return $caPath = $configured; | |
} | |
$configured = ini_get('openssl.capath'); | |
if ($configured && is_dir($configured) && is_readable($configured)) { | |
return $caPath = $configured; | |
} | |
$caBundlePaths = array( | |
'/etc/pki/tls/certs/ca-bundle.crt', // Fedora, RHEL, CentOS (ca-certificates package) | |
'/etc/ssl/certs/ca-certificates.crt', // Debian, Ubuntu, Gentoo, Arch Linux (ca-certificates package) | |
'/etc/ssl/ca-bundle.pem', // SUSE, openSUSE (ca-certificates package) | |
'/usr/local/share/certs/ca-root-nss.crt', // FreeBSD (ca_root_nss_package) | |
'/usr/ssl/certs/ca-bundle.crt', // Cygwin | |
'/opt/local/share/curl/curl-ca-bundle.crt', // OS X macports, curl-ca-bundle package | |
'/usr/local/share/curl/curl-ca-bundle.crt', // Default cURL CA bunde path (without --with-ca-bundle option) | |
'/usr/share/ssl/certs/ca-bundle.crt', // Really old RedHat? | |
'/etc/ssl/cert.pem', // OpenBSD | |
'/usr/local/etc/ssl/cert.pem', // FreeBSD 10.x | |
'/usr/local/etc/openssl/cert.pem', // OS X homebrew, openssl package | |
'/usr/local/etc/[email protected]/cert.pem', // OS X homebrew, [email protected] package | |
); | |
foreach ($caBundlePaths as $caBundle) { | |
if (@is_readable($caBundle) && validateCaFile(file_get_contents($caBundle))) { | |
return $caPath = $caBundle; | |
} | |
} | |
foreach ($caBundlePaths as $caBundle) { | |
$caBundle = dirname($caBundle); | |
if (is_dir($caBundle) && glob($caBundle.'/*')) { | |
return $caPath = $caBundle; | |
} | |
} | |
return $caPath = false; | |
} | |
public static function getPackagedCaFile() | |
{ | |
return <<<CACERT | |
## | |
## Bundle of CA Root Certificates for Let's Encrypt | |
## | |
## See https://letsencrypt.org/certificates/ | |
## | |
## ISRG Root X1 (RSA 4096) expires Jun 04 11:04:38 2035 GMT | |
## ISRG Root X2 (ECDSA P-384) expires Sep 17 16:00:00 2040 GMT | |
## DST Root CA X3 (RSA 2048) expires Sep 30 14:01:15 2021 GMT | |
## | |
## Notes: DST Root CA X3 should be removed after expiry data. | |
## | |
ISRG Root X1 | |
============ | |
-----BEGIN CERTIFICATE----- | |
MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw | |
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh | |
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4 | |
WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu | |
ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY | |
MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc | |
h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+ | |
0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U | |
A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW | |
T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH | |
B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC | |
B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv | |
KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn | |
OlFuhjuefXKnEgV4We0+UXgVCwOPjdAvBbI+e0ocS3MFEvzG6uBQE3xDk3SzynTn | |
jh8BCNAw1FtxNrQHusEwMFxIt4I7mKZ9YIqioymCzLq9gwQbooMDQaHWBfEbwrbw | |
qHyGO0aoSCqI3Haadr8faqU9GY/rOPNk3sgrDQoo//fb4hVC1CLQJ13hef4Y53CI | |
rU7m2Ys6xt0nUW7/vGT1M0NPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV | |
HRMBAf8EBTADAQH/MB0GA1UdDgQWBBR5tFnme7bl5AFzgAiIyBpY9umbbjANBgkq | |
hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL | |
ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ | |
3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK | |
NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5 | |
ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur | |
TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC | |
jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc | |
oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq | |
4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA | |
mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d | |
emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc= | |
-----END CERTIFICATE----- | |
ISRG Root X2 | |
============ | |
-----BEGIN CERTIFICATE----- | |
MIICGzCCAaGgAwIBAgIQQdKd0XLq7qeAwSxs6S+HUjAKBggqhkjOPQQDAzBPMQsw | |
CQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJuZXQgU2VjdXJpdHkgUmVzZWFyY2gg | |
R3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBYMjAeFw0yMDA5MDQwMDAwMDBaFw00 | |
MDA5MTcxNjAwMDBaME8xCzAJBgNVBAYTAlVTMSkwJwYDVQQKEyBJbnRlcm5ldCBT | |
ZWN1cml0eSBSZXNlYXJjaCBHcm91cDEVMBMGA1UEAxMMSVNSRyBSb290IFgyMHYw | |
EAYHKoZIzj0CAQYFK4EEACIDYgAEzZvVn4CDCuwJSvMWSj5cz3es3mcFDR0HttwW | |
+1qLFNvicWDEukWVEYmO6gbf9yoWHKS5xcUy4APgHoIYOIvXRdgKam7mAHf7AlF9 | |
ItgKbppbd9/w+kHsOdx1ymgHDB/qo0IwQDAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0T | |
AQH/BAUwAwEB/zAdBgNVHQ4EFgQUfEKWrt5LSDv6kviejM9ti6lyN5UwCgYIKoZI | |
zj0EAwMDaAAwZQIwe3lORlCEwkSHRhtFcP9Ymd70/aTSVaYgLXTWNLxBo1BfASdW | |
tL4ndQavEi51mI38AjEAi/V3bNTIZargCyzuFJ0nN6T5U6VR5CmD1/iQMVtCnwr1 | |
/q4AaOeMSQ+2b1tbFfLn | |
-----END CERTIFICATE----- | |
DST Root CA X3 | |
============== | |
-----BEGIN CERTIFICATE----- | |
MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/ | |
MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT | |
DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow | |
PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD | |
Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB | |
AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O | |
rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq | |
OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b | |
xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw | |
7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD | |
aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV | |
HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG | |
SIb3DQEBBQUAA4IBAQCjGiybFwBcqR7uKGY3Or+Dxz9LwwmglSBd49lZRNI+DT69 | |
ikugdB/OEIKcdBodfpga3csTS7MgROSR6cz8faXbauX+5v3gTt23ADq1cEmv8uXr | |
AvHRAosZy5Q6XkjEGB5YGV8eAlrwDPGxrancWYaLbumR9YbK+rlmM6pZW87ipxZz | |
R8srzJmwN0jP41ZL9c8PDHIyh8bwRLtTcm1D9SZImlJnt1ir/md2cXjbDaJWFBM5 | |
JDGFoqgCWjBH4d1QB7wCCZAA62RjYJsWvIjJEubSfZGL+T0yjWW06XyxV3bqxbYo | |
Ob8VZRzI9neWagqNdwvYkQsEjgfbKbYK7p2CNTUQ | |
-----END CERTIFICATE----- | |
CACERT; | |
} | |
} |
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