1746 lines
57 KiB
PHP
1746 lines
57 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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setupEnvironment();
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process(is_array($argv) ? $argv : array());
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/**
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* Initializes various values
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*
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* @throws RuntimeException If uopz extension prevents exit calls
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*/
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function setupEnvironment()
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{
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ini_set('display_errors', 1);
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if (extension_loaded('uopz') && !(ini_get('uopz.disable') || ini_get('uopz.exit'))) {
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// uopz works at opcode level and disables exit calls
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if (function_exists('uopz_allow_exit')) {
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@uopz_allow_exit(true);
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} else {
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throw new RuntimeException('The uopz extension ignores exit calls and breaks this installer.');
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}
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}
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$installer = 'ComposerInstaller';
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if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
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if ($version = getenv('COMPOSERSETUP')) {
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$installer = sprintf('Composer-Setup.exe/%s', $version);
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}
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}
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define('COMPOSER_INSTALLER', $installer);
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}
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/**
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* Processes the installer
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*/
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function process($argv)
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{
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// Determine ANSI output from --ansi and --no-ansi flags
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setUseAnsi($argv);
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$help = in_array('--help', $argv) || in_array('-h', $argv);
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if ($help) {
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displayHelp();
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exit(0);
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}
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$check = in_array('--check', $argv);
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$force = in_array('--force', $argv);
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$quiet = in_array('--quiet', $argv);
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$channel = 'stable';
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if (in_array('--snapshot', $argv)) {
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$channel = 'snapshot';
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} elseif (in_array('--preview', $argv)) {
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$channel = 'preview';
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} elseif (in_array('--1', $argv)) {
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$channel = '1';
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} elseif (in_array('--2', $argv)) {
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$channel = '2';
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} elseif (in_array('--2.2', $argv)) {
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$channel = '2.2';
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}
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$disableTls = in_array('--disable-tls', $argv);
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$installDir = getOptValue('--install-dir', $argv, false);
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$version = getOptValue('--version', $argv, false);
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$filename = getOptValue('--filename', $argv, 'composer.phar');
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$cafile = getOptValue('--cafile', $argv, false);
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if (!checkParams($installDir, $version, $cafile)) {
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exit(1);
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}
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$ok = checkPlatform($warnings, $quiet, $disableTls, true);
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if ($check) {
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// Only show warnings if we haven't output any errors
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if ($ok) {
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showWarnings($warnings);
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showSecurityWarning($disableTls);
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}
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exit($ok ? 0 : 1);
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}
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if ($ok || $force) {
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if ($channel === '1' && !$quiet) {
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out('Warning: You forced the install of Composer 1.x via --1, but Composer 2.x is the latest stable version. Updating to it via composer self-update --stable is recommended.', 'error');
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}
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$installer = new Installer($quiet, $disableTls, $cafile);
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if ($installer->run($version, $installDir, $filename, $channel)) {
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showWarnings($warnings);
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showSecurityWarning($disableTls);
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exit(0);
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}
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}
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exit(1);
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}
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/**
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* Displays the help
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*/
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function displayHelp()
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{
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echo <<<EOF
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Composer Installer
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------------------
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Options
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--help this help
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--check for checking environment only
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--force forces the installation
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--ansi force ANSI color output
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--no-ansi disable ANSI color output
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--quiet do not output unimportant messages
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--install-dir="..." accepts a target installation directory
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--preview install the latest version from the preview (alpha/beta/rc) channel instead of stable
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--snapshot install the latest version from the snapshot (dev builds) channel instead of stable
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--1 install the latest stable Composer 1.x (EOL) version
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--2 install the latest stable Composer 2.x version
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--2.2 install the latest stable Composer 2.2.x (LTS) version
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--version="..." accepts a specific version to install instead of the latest
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--filename="..." accepts a target filename (default: composer.phar)
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--disable-tls disable SSL/TLS security for file downloads
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--cafile="..." accepts a path to a Certificate Authority (CA) certificate file for SSL/TLS verification
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EOF;
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}
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/**
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* Sets the USE_ANSI define for colorizing output
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*
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* @param array $argv Command-line arguments
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*/
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function setUseAnsi($argv)
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{
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// --no-ansi wins over --ansi
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if (in_array('--no-ansi', $argv)) {
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define('USE_ANSI', false);
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} elseif (in_array('--ansi', $argv)) {
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define('USE_ANSI', true);
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} else {
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define('USE_ANSI', outputSupportsColor());
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}
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}
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/**
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* Returns whether color output is supported
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*
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* @return bool
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*/
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function outputSupportsColor()
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{
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if (false !== getenv('NO_COLOR') || !defined('STDOUT')) {
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return false;
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}
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if ('Hyper' === getenv('TERM_PROGRAM')) {
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return true;
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}
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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return (function_exists('sapi_windows_vt100_support')
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&& sapi_windows_vt100_support(STDOUT))
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|| false !== getenv('ANSICON')
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|| 'ON' === getenv('ConEmuANSI')
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|| 'xterm' === getenv('TERM');
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}
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if (function_exists('stream_isatty')) {
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return stream_isatty(STDOUT);
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}
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if (function_exists('posix_isatty')) {
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return posix_isatty(STDOUT);
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}
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$stat = fstat(STDOUT);
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// Check if formatted mode is S_IFCHR
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return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
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}
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/**
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* Returns the value of a command-line option
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*
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* @param string $opt The command-line option to check
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* @param array $argv Command-line arguments
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* @param mixed $default Default value to be returned
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*
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* @return mixed The command-line value or the default
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*/
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function getOptValue($opt, $argv, $default)
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{
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$optLength = strlen($opt);
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foreach ($argv as $key => $value) {
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$next = $key + 1;
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if (0 === strpos($value, $opt)) {
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if ($optLength === strlen($value) && isset($argv[$next])) {
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return trim($argv[$next]);
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} else {
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return trim(substr($value, $optLength + 1));
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}
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}
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}
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return $default;
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}
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/**
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* Checks that user-supplied params are valid
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*
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* @param mixed $installDir The required istallation directory
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* @param mixed $version The required composer version to install
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* @param mixed $cafile Certificate Authority file
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*
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* @return bool True if the supplied params are okay
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*/
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function checkParams($installDir, $version, $cafile)
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{
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$result = true;
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if (false !== $installDir && !is_dir($installDir)) {
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out("The defined install dir ({$installDir}) does not exist.", 'info');
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$result = false;
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}
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if (false !== $version && 1 !== preg_match('/^\d+\.\d+\.\d+(\-(alpha|beta|RC)\d*)*$/', $version)) {
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out("The defined install version ({$version}) does not match release pattern.", 'info');
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$result = false;
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}
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if (false !== $cafile && (!file_exists($cafile) || !is_readable($cafile))) {
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out("The defined Certificate Authority (CA) cert file ({$cafile}) does not exist or is not readable.", 'info');
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$result = false;
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}
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return $result;
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}
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/**
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* Checks the platform for possible issues running Composer
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*
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* Errors are written to the output, warnings are saved for later display.
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*
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* @param array $warnings Populated by method, to be shown later
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* @param bool $quiet Quiet mode
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* @param bool $disableTls Bypass tls
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* @param bool $install If we are installing, rather than diagnosing
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*
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* @return bool True if there are no errors
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*/
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function checkPlatform(&$warnings, $quiet, $disableTls, $install)
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{
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getPlatformIssues($errors, $warnings, $install);
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// Make openssl warning an error if tls has not been specifically disabled
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if (isset($warnings['openssl']) && !$disableTls) {
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$errors['openssl'] = $warnings['openssl'];
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unset($warnings['openssl']);
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}
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if (!empty($errors)) {
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// Composer-Setup.exe uses "Some settings" to flag platform errors
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out('Some settings on your machine make Composer unable to work properly.', 'error');
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out('Make sure that you fix the issues listed below and run this script again:', 'error');
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outputIssues($errors);
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return false;
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}
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if (empty($warnings) && !$quiet) {
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out('All settings correct for using Composer', 'success');
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}
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return true;
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}
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/**
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* Checks platform configuration for common incompatibility issues
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*
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* @param array $errors Populated by method
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* @param array $warnings Populated by method
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* @param bool $install If we are installing, rather than diagnosing
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*
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* @return bool If any errors or warnings have been found
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*/
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function getPlatformIssues(&$errors, &$warnings, $install)
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{
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$errors = array();
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$warnings = array();
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if ($iniPath = php_ini_loaded_file()) {
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$iniMessage = PHP_EOL . 'The php.ini used by your command-line PHP is: ' . $iniPath;
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} else {
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$iniMessage = PHP_EOL . 'A php.ini file does not exist. You will have to create one.';
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}
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$iniMessage .= PHP_EOL . 'If you can not modify the ini file, you can also run `php -d option=value` to modify ini values on the fly. You can use -d multiple times.';
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if (ini_get('detect_unicode')) {
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$errors['unicode'] = array(
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'The detect_unicode setting must be disabled.',
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'Add the following to the end of your `php.ini`:',
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' detect_unicode = Off',
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$iniMessage
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);
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}
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if (extension_loaded('suhosin')) {
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$suhosin = ini_get('suhosin.executor.include.whitelist');
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$suhosinBlacklist = ini_get('suhosin.executor.include.blacklist');
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if (false === stripos($suhosin, 'phar') && (!$suhosinBlacklist || false !== stripos($suhosinBlacklist, 'phar'))) {
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$errors['suhosin'] = array(
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'The suhosin.executor.include.whitelist setting is incorrect.',
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'Add the following to the end of your `php.ini` or suhosin.ini (Example path [for Debian]: /etc/php5/cli/conf.d/suhosin.ini):',
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' suhosin.executor.include.whitelist = phar ' . $suhosin,
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$iniMessage
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);
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}
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}
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if (!function_exists('json_decode')) {
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$errors['json'] = array(
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'The json extension is missing.',
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'Install it or recompile php without --disable-json'
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);
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}
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if (!extension_loaded('Phar')) {
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$errors['phar'] = array(
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'The phar extension is missing.',
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'Install it or recompile php without --disable-phar'
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);
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}
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if (!extension_loaded('filter')) {
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$errors['filter'] = array(
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'The filter extension is missing.',
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'Install it or recompile php without --disable-filter'
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);
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}
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if (!extension_loaded('hash')) {
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$errors['hash'] = array(
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'The hash extension is missing.',
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'Install it or recompile php without --disable-hash'
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);
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}
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if (!extension_loaded('iconv') && !extension_loaded('mbstring')) {
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$errors['iconv_mbstring'] = array(
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'The iconv OR mbstring extension is required and both are missing.',
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'Install either of them or recompile php without --disable-iconv'
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);
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}
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if (!ini_get('allow_url_fopen')) {
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$errors['allow_url_fopen'] = array(
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'The allow_url_fopen setting is incorrect.',
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'Add the following to the end of your `php.ini`:',
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' allow_url_fopen = On',
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$iniMessage
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);
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}
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if (extension_loaded('ionCube Loader') && ioncube_loader_iversion() < 40009) {
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$ioncube = ioncube_loader_version();
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$errors['ioncube'] = array(
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'Your ionCube Loader extension (' . $ioncube . ') is incompatible with Phar files.',
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'Upgrade to ionCube 4.0.9 or higher or remove this line (path may be different) from your `php.ini` to disable it:',
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' zend_extension = /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so',
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$iniMessage
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);
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}
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if (version_compare(PHP_VERSION, '5.3.2', '<')) {
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$errors['php'] = array(
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'Your PHP (' . PHP_VERSION . ') is too old, you must upgrade to PHP 5.3.2 or higher.'
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);
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}
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if (version_compare(PHP_VERSION, '5.3.4', '<')) {
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$warnings['php'] = array(
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'Your PHP (' . PHP_VERSION . ') is quite old, upgrading to PHP 5.3.4 or higher is recommended.',
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'Composer works with 5.3.2+ for most people, but there might be edge case issues.'
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);
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}
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if (!extension_loaded('openssl')) {
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$warnings['openssl'] = array(
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'The openssl extension is missing, which means that secure HTTPS transfers are impossible.',
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'If possible you should enable it or recompile php with --with-openssl'
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);
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}
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if (extension_loaded('openssl') && OPENSSL_VERSION_NUMBER < 0x1000100f) {
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// Attempt to parse version number out, fallback to whole string value.
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$opensslVersion = trim(strstr(OPENSSL_VERSION_TEXT, ' '));
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$opensslVersion = substr($opensslVersion, 0, strpos($opensslVersion, ' '));
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$opensslVersion = $opensslVersion ? $opensslVersion : OPENSSL_VERSION_TEXT;
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$warnings['openssl_version'] = array(
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'The OpenSSL library (' . $opensslVersion . ') used by PHP does not support TLSv1.2 or TLSv1.1.',
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'If possible you should upgrade OpenSSL to version 1.0.1 or above.'
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);
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}
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if (!defined('HHVM_VERSION') && !extension_loaded('apcu') && ini_get('apc.enable_cli')) {
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$warnings['apc_cli'] = array(
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'The apc.enable_cli setting is incorrect.',
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|
'Add the following to the end of your `php.ini`:',
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' apc.enable_cli = Off',
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$iniMessage
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);
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}
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|
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if (!$install && extension_loaded('xdebug')) {
|
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$warnings['xdebug_loaded'] = array(
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'The xdebug extension is loaded, this can slow down Composer a little.',
|
|
'Disabling it when using Composer is recommended.'
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);
|
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|
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if (ini_get('xdebug.profiler_enabled')) {
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$warnings['xdebug_profile'] = array(
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'The xdebug.profiler_enabled setting is enabled, this can slow down Composer a lot.',
|
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'Add the following to the end of your `php.ini` to disable it:',
|
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' xdebug.profiler_enabled = 0',
|
|
$iniMessage
|
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);
|
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}
|
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}
|
|
|
|
if (!extension_loaded('zlib')) {
|
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$warnings['zlib'] = array(
|
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'The zlib extension is not loaded, this can slow down Composer a lot.',
|
|
'If possible, install it or recompile php with --with-zlib',
|
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$iniMessage
|
|
);
|
|
}
|
|
|
|
if (
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defined('PHP_WINDOWS_VERSION_BUILD')
|
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&& (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 = $match[1];
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|
|
if (false !== strpos($configure, '--enable-sigchild')) {
|
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$warnings['sigchild'] = array(
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'PHP was compiled with --enable-sigchild which can cause issues on some platforms.',
|
|
'Recompile it without this flag if possible, see also:',
|
|
' https://bugs.php.net/bug.php?id=22999'
|
|
);
|
|
}
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|
|
|
if (false !== strpos($configure, '--with-curlwrappers')) {
|
|
$warnings['curlwrappers'] = array(
|
|
'PHP was compiled with --with-curlwrappers which will cause issues with HTTP authentication and GitHub.',
|
|
'Recompile it without this flag if possible'
|
|
);
|
|
}
|
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}
|
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|
|
// Stringify the message arrays
|
|
foreach ($errors as $key => $value) {
|
|
$errors[$key] = PHP_EOL . implode(PHP_EOL, $value);
|
|
}
|
|
|
|
foreach ($warnings as $key => $value) {
|
|
$warnings[$key] = PHP_EOL . implode(PHP_EOL, $value);
|
|
}
|
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|
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return !empty($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, $channel);
|
|
|
|
// in case --1 or --2 is passed, we leave the default channel for next self-update to stable
|
|
if (1 === preg_match('{^\d+$}D', $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($target);
|
|
}
|
|
}
|
|
|
|
if ($this->tmpFile !== null && 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
|
|
{
|
|
/** @var null|string */
|
|
private static $caPath;
|
|
|
|
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()
|
|
{
|
|
if (self::$caPath !== null) {
|
|
return self::$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 self::$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 self::$caPath = $envCertDir;
|
|
}
|
|
|
|
$configured = ini_get('openssl.cafile');
|
|
if ($configured && strlen($configured) > 0 && is_readable($configured) && validateCaFile(file_get_contents($configured))) {
|
|
return self::$caPath = $configured;
|
|
}
|
|
|
|
$configured = ini_get('openssl.capath');
|
|
if ($configured && is_dir($configured) && is_readable($configured)) {
|
|
return self::$caPath = $configured;
|
|
}
|
|
|
|
$caBundlePaths = array(
|
|
'/etc/pki/tls/certs/ca-bundle.crt', // Fedora, RHEL, CentOS (ca-certificates package)
|
|
'/etc/ssl/certs/ca-certificates.crt', // Debian, Ubuntu, Gentoo, Arch Linux (ca-certificates package)
|
|
'/etc/ssl/ca-bundle.pem', // SUSE, openSUSE (ca-certificates package)
|
|
'/usr/local/share/certs/ca-root-nss.crt', // FreeBSD (ca_root_nss_package)
|
|
'/usr/ssl/certs/ca-bundle.crt', // Cygwin
|
|
'/opt/local/share/curl/curl-ca-bundle.crt', // OS X macports, curl-ca-bundle package
|
|
'/usr/local/share/curl/curl-ca-bundle.crt', // Default cURL CA bunde path (without --with-ca-bundle option)
|
|
'/usr/share/ssl/certs/ca-bundle.crt', // Really old RedHat?
|
|
'/etc/ssl/cert.pem', // OpenBSD
|
|
'/usr/local/etc/ssl/cert.pem', // FreeBSD 10.x
|
|
'/usr/local/etc/openssl/cert.pem', // OS X homebrew, openssl package
|
|
'/usr/local/etc/openssl@1.1/cert.pem', // OS X homebrew, openssl@1.1 package
|
|
'/opt/homebrew/etc/openssl@3/cert.pem', // macOS silicon homebrew, openssl@3 package
|
|
'/opt/homebrew/etc/openssl@1.1/cert.pem', // macOS silicon homebrew, openssl@1.1 package
|
|
);
|
|
|
|
foreach ($caBundlePaths as $caBundle) {
|
|
if (@is_readable($caBundle) && validateCaFile(file_get_contents($caBundle))) {
|
|
return self::$caPath = $caBundle;
|
|
}
|
|
}
|
|
|
|
foreach ($caBundlePaths as $caBundle) {
|
|
$caBundle = dirname($caBundle);
|
|
if (is_dir($caBundle) && glob($caBundle . '/*')) {
|
|
return self::$caPath = $caBundle;
|
|
}
|
|
}
|
|
|
|
return self::$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-----
|
|
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-----
|
|
CACERT;
|
|
}
|
|
}
|