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installer
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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.
*/
process(is_array($argv) ? $argv : array());
/**
* processes the installer
*/
function process($argv)
{
$check = in_array('--check', $argv);
$help = in_array('--help', $argv);
$force = in_array('--force', $argv);
$quiet = in_array('--quiet', $argv);
$disableTls = in_array('--disable-tls', $argv);
$installDir = false;
$version = false;
$filename = 'composer.phar';
$cafile = false;
// --no-ansi wins over --ansi
if (in_array('--no-ansi', $argv)) {
define('USE_ANSI', false);
} elseif (in_array('--ansi', $argv)) {
define('USE_ANSI', true);
} else {
// On Windows, default to no ANSI, except in ANSICON and ConEmu.
// Everywhere else, default to ANSI if stdout is a terminal.
define('USE_ANSI',
(DIRECTORY_SEPARATOR == '\\')
? (false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI'))
: (function_exists('posix_isatty') && posix_isatty(1))
);
}
foreach ($argv as $key => $val) {
if (0 === strpos($val, '--install-dir')) {
if (13 === strlen($val) && isset($argv[$key+1])) {
$installDir = trim($argv[$key+1]);
} else {
$installDir = trim(substr($val, 14));
}
}
if (0 === strpos($val, '--version')) {
if (9 === strlen($val) && isset($argv[$key+1])) {
$version = trim($argv[$key+1]);
} else {
$version = trim(substr($val, 10));
}
}
if (0 === strpos($val, '--filename')) {
if (10 === strlen($val) && isset($argv[$key+1])) {
$filename = trim($argv[$key+1]);
} else {
$filename = trim(substr($val, 11));
}
}
if (0 === strpos($val, '--cafile')) {
if (8 === strlen($val) && isset($argv[$key+1])) {
$cafile = trim($argv[$key+1]);
} else {
$cafile = trim(substr($val, 9));
}
}
}
if ($help) {
displayHelp();
exit(0);
}
$ok = checkPlatform($quiet, $disableTls);
if (false !== $installDir && !is_dir($installDir)) {
out("The defined install dir ({$installDir}) does not exist.", 'info');
$ok = false;
}
if (false !== $version && 1 !== preg_match('/^\d+\.\d+\.\d+(\-(alpha|beta)\d+)*$/', $version)) {
out("The defined install version ({$version}) does not match release pattern.", 'info');
$ok = 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');
$ok = false;
}
if (true === $disableTls) {
out("You have instructed the Installer not to enforce SSL/TLS security on remote HTTPS requests.", 'info');
out("This will leave all downloads during installation vulnerable to Man-In-The-Middle (MITM) attacks.", 'info');
}
if ($check) {
exit($ok ? 0 : 1);
}
if ($ok || $force) {
installComposer($version, $installDir, $filename, $quiet, $disableTls, $cafile);
exit(0);
}
exit(1);
}
/**
* displays the help
*/
function displayHelp()
{
echo <<<EOF
Composer Installer
------------------
Options
--help this help
--check for checking environment only
--force forces the installation
--ansi force ANSI color output
--no-ansi disable ANSI color output
--quiet do not output unimportant messages
--install-dir="..." accepts a target installation directory
--version="..." accepts a specific version to install instead of the latest
--filename="..." accepts a target filename (default: composer.phar)
--disable-tls disable SSL/TLS security for file downloads
--cafile="..." accepts a path to a Certificate Authority (CA) certificate file for SSL/TLS verification
EOF;
}
/**
* check the platform for possible issues on running composer
*/
function checkPlatform($quiet, $disableTls)
{
$errors = array();
$warnings = array();
$iniPath = php_ini_loaded_file();
$displayIniMessage = false;
if ($iniPath) {
$iniMessage = PHP_EOL.PHP_EOL.'The php.ini used by your command-line PHP is: ' . $iniPath;
} else {
$iniMessage = PHP_EOL.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'] = 'On';
}
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'] = $suhosin;
}
}
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 (!ini_get('allow_url_fopen')) {
$errors['allow_url_fopen'] = true;
}
if (extension_loaded('ionCube Loader') && ioncube_loader_iversion() < 40009) {
$errors['ioncube'] = ioncube_loader_version();
}
if (version_compare(PHP_VERSION, '5.3.2', '<')) {
$errors['php'] = PHP_VERSION;
}
if (version_compare(PHP_VERSION, '5.3.4', '<')) {
$warnings['php'] = PHP_VERSION;
}
if (!extension_loaded('openssl') && true === $disableTls) {
$warnings['openssl'] = true;
} elseif (!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') && ini_get('apc.enable_cli')) {
$warnings['apc_cli'] = 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')) {
$warnings['curlwrappers'] = true;
}
}
if (!empty($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');
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 'unicode':
$text = PHP_EOL."The detect_unicode setting must be disabled.".PHP_EOL;
$text .= "Add the following to the end of your `php.ini`:".PHP_EOL;
$text .= " detect_unicode = Off";
$displayIniMessage = true;
break;
case 'suhosin':
$text = PHP_EOL."The suhosin.executor.include.whitelist setting is incorrect.".PHP_EOL;
$text .= "Add the following to the end of your `php.ini` or suhosin.ini (Example path [for Debian]: /etc/php5/cli/conf.d/suhosin.ini):".PHP_EOL;
$text .= " suhosin.executor.include.whitelist = phar ".$current;
$displayIniMessage = true;
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;
$text .= "If possible you should enable it or recompile php with --with-openssl";
break;
}
if ($displayIniMessage) {
$text .= $iniMessage;
}
out($text, 'info');
}
out('');
return false;
}
if (!empty($warnings)) {
out("Some settings on your machine may cause stability issues with Composer.", 'error');
out('If you encounter issues, try to change the following:', 'error');
foreach ($warnings as $warning => $current) {
switch ($warning) {
case 'apc_cli':
$text = PHP_EOL."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 'sigchild':
$text = PHP_EOL."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_EOL."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 '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;
case 'openssl_version':
// 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;
$text = PHP_EOL."The OpenSSL library ({$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 'php':
$text = PHP_EOL."Your PHP ({$current}) is quite old, upgrading to PHP 5.3.4 or higher is recommended.".PHP_EOL;
$text .= "Composer works with 5.3.2+ for most people, but there might be edge case issues.";
break;
}
if ($displayIniMessage) {
$text .= $iniMessage;
}
out($text, 'info');
}
out('');
return true;
}
if (!$quiet) {
out("All settings correct for using Composer", 'success');
}
return true;
}
/**
* installs composer to the current working directory
*/
function installComposer($version, $installDir, $filename, $quiet, $disableTls, $cafile)
{
$installPath = (is_dir($installDir) ? rtrim($installDir, '/').'/' : '') . $filename;
$installDir = realpath($installDir) ? realpath($installDir) : getcwd();
$file = $installDir.DIRECTORY_SEPARATOR.$filename;
if (is_readable($file)) {
@unlink($file);
}
$home = getHomeDir();
file_put_contents($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-----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-----END PUBLIC KEY-----
TAGSPUBKEY
);
if (false === $disableTls && empty($cafile) && !HttpClient::getSystemCaRootBundlePath()) {
$errorHandler = new ErrorHandler();
set_error_handler(array($errorHandler, 'handleError'));
$target = $home . '/cacert.pem';
$write = file_put_contents($target, HttpClient::getPackagedCaFile(), LOCK_EX);
@chmod($target, 0644);
restore_error_handler();
if (!$write) {
throw new RuntimeException('Unable to write bundled cacert.pem to: '.$target);
}
$cafile = $target;
}
$httpClient = new HttpClient($disableTls, $cafile);
$retries = 3;
while ($retries--) {
if (!$quiet) {
out("Downloading...", 'info');
}
$uriScheme = false === $disableTls ? 'https' : 'http';
$urlPath = (false !== $version ? "/download/{$version}" : '') . '/composer.phar';
$url = "{$uriScheme}://getcomposer.org{$urlPath}";
$errorHandler = new ErrorHandler();
set_error_handler(array($errorHandler, 'handleError'));
// download signature file
if (false === $disableTls) {
$signature = $httpClient->get($url.'.sig');
if (!$signature) {
out('Download failed: '.$errorHandler->message, 'error');
} else {
$signature = json_decode($signature, true);
$signature = base64_decode($signature['sha384']);
}
}
$fh = fopen($file, 'w');
if (!$fh) {
out('Could not create file '.$file.': '.$errorHandler->message, 'error');
}
if (!fwrite($fh, $httpClient->get($url))) {
out('Download failed: '.$errorHandler->message, 'error');
}
fclose($fh);
restore_error_handler();
if ($errorHandler->message) {
continue;
}
try {
// create a temp file ending in .phar since the Phar class only accepts that
if ('.phar' !== substr($file, -5)) {
copy($file, $file.'.tmp.phar');
$pharFile = $file.'.tmp.phar';
} else {
$pharFile = $file;
}
// verify signature
if (false === $disableTls) {
$pubkeyid = openssl_pkey_get_public('file://'.$home.'/' . ($version ? 'keys.tags.pub' : 'keys.dev.pub'));
$algo = defined('OPENSSL_ALGO_SHA384') ? OPENSSL_ALGO_SHA384 : 'SHA384';
if (!in_array('SHA384', openssl_get_md_methods())) {
out('SHA384 is not supported by your openssl extension, could not verify the phar file integrity', 'error');
exit(1);
}
$verified = 1 === openssl_verify(file_get_contents($file), $signature, $pubkeyid, $algo);
openssl_free_key($pubkeyid);
if (!$verified) {
out('Signature mismatch, could not verify the phar file integrity', 'error');
exit(1);
}
}
// test the phar validity
if (!ini_get('phar.readonly')) {
$phar = new Phar($pharFile);
// free the variable to unlock the file
unset($phar);
}
// clean up temp file if needed
if ($file !== $pharFile) {
unlink($pharFile);
}
break;
} catch (Exception $e) {
if (!$e instanceof UnexpectedValueException && !$e instanceof PharException) {
throw $e;
}
// clean up temp file if needed
if ($file !== $pharFile) {
unlink($pharFile);
}
unlink($file);
if ($retries) {
if (!$quiet) {
out('The download is corrupt, retrying...', 'error');
}
} else {
out('The download is corrupt ('.$e->getMessage().'), aborting.', 'error');
exit(1);
}
}
}
if ($errorHandler->message) {
out('The download failed repeatedly, aborting.', 'error');
exit(1);
}
chmod($file, 0755);
if (!$quiet) {
out(PHP_EOL."Composer successfully installed to: " . $file, 'success', false);
out(PHP_EOL."Use it: php $installPath", 'info');
}
}
/**
* colorize output
*/
function out($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);
}
function getHomeDir()
{
$home = getenv('COMPOSER_HOME');
if (!$home) {
if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
if (!getenv('APPDATA')) {
throw new RuntimeException('The APPDATA or COMPOSER_HOME environment variable must be set for composer to install correctly');
}
$home = strtr(getenv('APPDATA'), '\\', '/') . '/Composer';
} else {
if (!getenv('HOME')) {
throw new RuntimeException('The HOME or COMPOSER_HOME environment variable must be set for composer to install correctly');
}
$home = rtrim(getenv('HOME'), '/') . '/.composer';
}
}
if (!is_dir($home)) {
@mkdir($home, 0777, true);
}
return $home;
}
function validateCaFile($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 ErrorHandler
{
public $message = '';
public function handleError($code, $msg)
{
if ($this->message) {
$this->message .= "\n";
}
$this->message .= preg_replace('{^copy\(.*?\): }', '', $msg);
}
}
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($cafile)) {
if (!is_readable($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, null, $context);
if ($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) {
$host = parse_url($url, PHP_URL_HOST);
if (PHP_VERSION_ID < 50600) {
$this->options['ssl']['CN_match'] = $host;
$this->options['ssl']['SNI_server_name'] = $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',
'ECDHE-RSA-RC4-SHA',
'ECDHE-ECDSA-RC4-SHA',
'AES128',
'AES256',
'RC4-SHA',
'HIGH',
'!aNULL',
'!eNULL',
'!EXPORT',
'!DES',
'!3DES',
'!MD5',
'!PSK'
));
/**
* 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::getContext
*
* 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 = $this->options;
// Handle system proxy
if (!empty($_SERVER['HTTP_PROXY']) || !empty($_SERVER['http_proxy'])) {
// Some systems seem to rely on a lowercased version instead...
$proxy = parse_url(!empty($_SERVER['http_proxy']) ? $_SERVER['http_proxy'] : $_SERVER['HTTP_PROXY']);
}
if (!empty($proxy)) {
$proxyURL = isset($proxy['scheme']) ? $proxy['scheme'] . '://' : '';
$proxyURL .= isset($proxy['host']) ? $proxy['host'] : '';
if (isset($proxy['port'])) {
$proxyURL .= ":" . $proxy['port'];
} elseif ('http://' == substr($proxyURL, 0, 7)) {
$proxyURL .= ":80";
} elseif ('https://' == substr($proxyURL, 0, 8)) {
$proxyURL .= ":443";
}
// http(s):// is not supported in proxy
$proxyURL = str_replace(array('http://', 'https://'), array('tcp://', 'ssl://'), $proxyURL);
if (0 === strpos($proxyURL, 'ssl:') && !extension_loaded('openssl')) {
throw new RuntimeException('You must enable the openssl extension to use a proxy over https');
}
$options['http'] = array(
'proxy' => $proxyURL,
);
// enabled request_fulluri unless it is explicitly disabled
switch (parse_url($url, PHP_URL_SCHEME)) {
case 'http': // default request_fulluri to true
$reqFullUriEnv = getenv('HTTP_PROXY_REQUEST_FULLURI');
if ($reqFullUriEnv === false || $reqFullUriEnv === '' || (strtolower($reqFullUriEnv) !== 'false' && (bool) $reqFullUriEnv)) {
$options['http']['request_fulluri'] = true;
}
break;
case 'https': // default request_fulluri to true
$reqFullUriEnv = getenv('HTTPS_PROXY_REQUEST_FULLURI');
if ($reqFullUriEnv === false || $reqFullUriEnv === '' || (strtolower($reqFullUriEnv) !== 'false' && (bool) $reqFullUriEnv)) {
$options['http']['request_fulluri'] = true;
}
break;
}
if (isset($proxy['user'])) {
$auth = urldecode($proxy['user']);
if (isset($proxy['pass'])) {
$auth .= ':' . urldecode($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";
$options['http']['protocol_version'] = 1.1;
return stream_context_create($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 $found = null;
if ($found !== null) {
return $found;
}
// 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))) {
// Possibly throw exception instead of ignoring SSL_CERT_FILE if it's invalid?
return $envCertFile;
}
$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
);
$found = null;
$configured = ini_get('openssl.cafile');
if ($configured && strlen($configured) > 0 && is_readable($configured) && validateCaFile(file_get_contents($configured))) {
$found = true;
$caBundle = $configured;
} else {
foreach ($caBundlePaths as $caBundle) {
if (@is_readable($caBundle) && validateCaFile(file_get_contents($caBundle))) {
$found = true;
break;
}
}
if (!$found) {
foreach ($caBundlePaths as $caBundle) {
$caBundle = dirname($caBundle);
if (is_dir($caBundle) && glob($caBundle.'/*')) {
$found = true;
break;
}
}
}
}
if ($found) {
$found = $caBundle;
}
return $found;
}
public static function getPackagedCaFile()
{
return <<<CACERT
##
## Bundle of CA Root Certificates
##
## Certificate data from Mozilla as of: Wed Oct 28 22:42:42 2015
##
## This is a bundle of X.509 certificates of public Certificate Authorities
## (CA). These were automatically extracted from Mozilla's root certificates
## file (certdata.txt). This file can be found at
## https://raw.githubusercontent.com/bagder/ca-bundle/master/ca-bundle.crt
##
## It contains the certificates in PEM format and therefore
## can be directly used with curl / libcurl / php_curl, or with
## an Apache+mod_ssl webserver for SSL client authentication.
## Just configure this file as the SSLCACertificateFile.
##
## Conversion done with mk-ca-bundle.pl version 1.25.
## SHA1: 6d7d2f0a4fae587e7431be191a081ac1257d300a
##
Equifax Secure CA
=================
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
GlobalSign Root CA
==================
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
GlobalSign Root CA - R2
=======================
-----BEGIN CERTIFICATE-----
MIIDujCCAqKgAwIBAgILBAAAAAABD4Ym5g0wDQYJKoZIhvcNAQEFBQAwTDEgMB4GA1UECxMXR2xv
YmFsU2lnbiBSb290IENBIC0gUjIxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2Jh