--- /dev/null
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ * Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+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 = 'stable';
+ 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 {
+ define('USE_ANSI', outputSupportsColor());
+ }
+}
+
+/**
+ * Returns whether color output is supported
+ *
+ * @return bool
+ */
+function outputSupportsColor()
+{
+ if (false !== getenv('NO_COLOR') || !defined('STDOUT')) {
+ return false;
+ }
+
+ if ('Hyper' === getenv('TERM_PROGRAM')) {
+ return true;
+ }
+
+ if (defined('PHP_WINDOWS_VERSION_BUILD')) {
+ return (function_exists('sapi_windows_vt100_support')
+ && sapi_windows_vt100_support(STDOUT))
+ || false !== getenv('ANSICON')
+ || 'ON' === getenv('ConEmuANSI')
+ || 'xterm' === getenv('TERM');
+ }
+
+ if (function_exists('stream_isatty')) {
+ return stream_isatty(STDOUT);
+ }
+
+ if (function_exists('posix_isatty')) {
+ return posix_isatty(STDOUT);
+ }
+
+ $stat = fstat(STDOUT);
+ // Check if formatted mode is S_IFCHR
+ return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
+}
+
+/**
+ * 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-----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+-----END PUBLIC KEY-----
+PKDEV;
+ }
+
+ public static function getPKTags()
+ {
+ return <<<PKTAGS
+-----BEGIN PUBLIC KEY-----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+-----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 <me@evancoury.com>
+ *
+ * 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;
+ }
+
+ $caBundlePaths = array(
+ '/etc/pki/tls/certs/ca-bundle.crt', // Fedora, RHEL, CentOS (ca-certificates package)
+ '/etc/ssl/certs/ca-certificates.crt', // Debian, Ubuntu, Gentoo, Arch Linux (ca-certificates package)
+ '/etc/ssl/ca-bundle.pem', // SUSE, openSUSE (ca-certificates package)
+ '/usr/local/share/certs/ca-root-nss.crt', // FreeBSD (ca_root_nss_package)
+ '/usr/ssl/certs/ca-bundle.crt', // Cygwin
+ '/opt/local/share/curl/curl-ca-bundle.crt', // OS X macports, curl-ca-bundle package
+ '/usr/local/share/curl/curl-ca-bundle.crt', // Default cURL CA bunde path (without --with-ca-bundle option)
+ '/usr/share/ssl/certs/ca-bundle.crt', // Really old RedHat?
+ '/etc/ssl/cert.pem', // OpenBSD
+ '/usr/local/etc/ssl/cert.pem', // FreeBSD 10.x
+ '/usr/local/etc/openssl/cert.pem', // OS X homebrew, openssl package
+ '/usr/local/etc/openssl@1.1/cert.pem', // OS X homebrew, openssl@1.1 package
+ );
+
+ foreach ($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/#root-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
+##
+## Both these are self-signed CA root certificates
+##
+
+ISRG Root X1
+============
+-----BEGIN CERTIFICATE-----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=
+-----END CERTIFICATE-----
+
+ISRG Root X2
+============
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+CACERT;
+ }
+}
projects / feisty_meow.git / blobdiff