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Code clarity and updates from the getcomposer.org installer

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main
Jordi Boggiano 9 years ago
parent cb53bd04cb
commit fc4d94f160
2 changed files with 93 additions and 56 deletions
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7
src/Composer/Command/ConfigCommand.php
Unescape Escape View File

@ -133,7 +133,8 @@ EOT
throw new \RuntimeException('--file and --global can not be combined');
}
$this->config = Factory::createConfig($this->getIO());
$io = $this->getIO();
$this->config = Factory::createConfig($io);
// Get the local composer.json, global config.json, or if the user
// passed in a file to use
@ -146,14 +147,14 @@ EOT
file_put_contents($configFile, "{\n}\n");
}
$this->configFile = new JsonFile($configFile);
$this->configFile = new JsonFile($configFile, null, $io);
$this->configSource = new JsonConfigSource($this->configFile);
$authConfigFile = $input->getOption('global')
? ($this->config->get('home') . '/auth.json')
: dirname(realpath($configFile)) . '/auth.json';
$this->authConfigFile = new JsonFile($authConfigFile);
$this->authConfigFile = new JsonFile($authConfigFile, null, $io);
$this->authConfigSource = new JsonConfigSource($this->authConfigFile, true);
// initialize the global file if it's not there

142
src/Composer/Util/RemoteFilesystem.php
Unescape Escape View File

@ -44,23 +44,25 @@ class RemoteFilesystem
/**
* Constructor.
*
* @param IOInterface $io The IO instance
* @param Config $config The config
* @param array $options The options
* @param IOInterface $io The IO instance
* @param Config $config The config
* @param array $options The options
* @param bool $disableTls
*/
public function __construct(IOInterface $io, Config $config = null, $options = array(), $disableTls = false)
public function __construct(IOInterface $io, Config $config = null, array $options = array(), $disableTls = false)
{
$this->io = $io;
/**
* Setup TLS options
* The cafile option can be set via config.json
*/
// Setup TLS options
// The cafile option can be set via config.json
if ($disableTls === false) {
$this->options = $this->getTlsDefaults();
if (isset($options['ssl']['cafile'])
&& (!is_readable($options['ssl']['cafile'])
|| !\openssl_x509_parse(file_get_contents($options['ssl']['cafile'])))) {
&& (
!is_readable($options['ssl']['cafile'])
|| !self::validateCaFile(file_get_contents($options['ssl']['cafile']))
)
) {
throw new TransportException('The configured cafile was not valid or could not be read.');
}
} else {
@ -316,15 +318,17 @@ class RemoteFilesystem
}
// Check if the failure was due to a Common Name mismatch with remote SSL cert and retry once (excl normal retry)
if (false === $result) {
if ($this->retryTls === true
&& preg_match("|did not match expected CN|i", $errorMessage)
&& preg_match("|Peer certificate CN=`(.*)' did not match|i", $errorMessage, $matches)) {
$this->retryTls = false;
$expectedCommonName = $matches[1];
$this->io->write(" <warning>Retrying download from ".$originUrl." with SSL Cert Common Name (CN): ".$expectedCommonName."</warning>");
return $this->get($this->originUrl, $this->fileUrl, $additionalOptions, $this->fileName, $this->progress, $expectedCommonName);
}
if (
false === $result
&& $this->retryTls === true
&& preg_match('{did not match expected CN}i', $errorMessage)
&& preg_match("{Peer certificate CN=`(.*)' did not match}i", $errorMessage, $matches)
) {
$this->retryTls = false;
$expectedCommonName = $matches[1];
$this->io->write(" <warning>Retrying download from ".$originUrl." with SSL Cert Common Name (CN): ".$expectedCommonName."</warning>");
return $this->get($this->originUrl, $this->fileUrl, $additionalOptions, $this->fileName, $this->progress, $expectedCommonName);
}
if ($this->retry) {
@ -485,33 +489,30 @@ class RemoteFilesystem
protected function getOptionsForUrl($originUrl, $additionalOptions, $validCommonName = '')
{
$tlsOptions = array();
// Setup remaining TLS options - the matching may need monitoring, esp. www vs none in CN
if ($this->disableTls === false) {
if (!preg_match("|^https?://|", $this->fileUrl)) {
if (!preg_match('{^https?://}', $this->fileUrl)) {
$host = $originUrl;
} else {
$host = parse_url($this->fileUrl, PHP_URL_HOST);
}
/**
* This is sheer painful, but hopefully it'll be a footnote once SAN support
* reaches PHP 5.4 and 5.5...
* Side-effect: We're betting on the CN being either a wildcard or www, e.g. *.github.com or www.example.com.
* TODO: Consider something more explicitly user based.
*/
// This is sheer painful, but hopefully it'll be a footnote once SAN support
// reaches PHP 5.4 and 5.5...
// Side-effect: We're betting on the CN being either a wildcard or www, e.g. *.github.com or www.example.com.
if (strlen($validCommonName) > 0) {
if (!preg_match("|".$host."$|i", $validCommonName)
|| (count(explode('.', $validCommonName)) - count(explode('.', $host))) > 1) {
if (
!preg_match('{'.$host.'$}i', $validCommonName)
|| (count(explode('.', $validCommonName)) - count(explode('.', $host))) > 1
) {
throw new TransportException('Unable to read or match the Common Name (CN) from the remote SSL certificate.');
}
$host = $validCommonName;
}
$this->options['ssl']['CN_match'] = $host;
$this->options['ssl']['SNI_server_name'] = $host;
}
if (defined('HHVM_VERSION')) {
$phpVersion = 'HHVM ' . HHVM_VERSION;
} else {
$phpVersion = 'PHP ' . PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION . '.' . PHP_RELEASE_VERSION;
$tlsOptions['ssl']['CN_match'] = $host;
$tlsOptions['ssl']['SNI_server_name'] = $host;
}
$headers = array();
@ -520,7 +521,7 @@ class RemoteFilesystem
$headers[] = 'Accept-Encoding: gzip';
}
$options = array_replace_recursive($this->options, $additionalOptions);
$options = array_replace_recursive($this->options, $tlsOptions, $additionalOptions);
if (!$this->degradedMode) {
// degraded mode disables HTTP/1.1 which causes issues with some bad
// proxies/software due to the use of chunked encoding
@ -613,19 +614,27 @@ class RemoteFilesystem
* The user may go download one if this occurs.
*/
if (!isset($this->options['ssl']['cafile'])) {
$result = $this->getSystemCaRootBundlePath();
$result = self::getSystemCaRootBundlePath();
if ($result) {
if (preg_match("|^phar://|", $result)) {
$tmp = rtrim(sys_get_temp_dir(), '\\/');
$target = $tmp . DIRECTORY_SEPARATOR . 'composer-cacert.pem';
$cacert = file_get_contents($result);
$write = file_put_contents($target, $cacert, LOCK_EX);
if (!$write) {
throw new TransportException('Unable to write bundled cacert.pem to: '.$target);
}
$options['ssl']['cafile'] = $target;
if (preg_match('{^phar://}', $result)) {
$targetPath = rtrim(sys_get_temp_dir(), '\\/') . '/composer-cacert.pem';
// use stream_copy_to_stream instead of copy
// to work around https://bugs.php.net/bug.php?id=64634
$source = fopen($result, 'r');
$target = fopen($targetPath, 'w+');
stream_copy_to_stream($source, $target);
fclose($source);
fclose($target);
unset($source, $target);
$options['ssl']['cafile'] = $targetPath;
} else {
$options['ssl']['cafile'] = $result;
if (is_dir($result)) {
$options['ssl']['capath'] = $result;
} elseif ($result) {
$options['ssl']['cafile'] = $result;
}
}
} else {
throw new TransportException('A valid cafile could not be located automatically.');
@ -674,15 +683,17 @@ class RemoteFilesystem
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
protected static function getSystemCaRootBundlePath()
private static function getSystemCaRootBundlePath()
{
if (isset($found)) {
static $found = null;
if ($found !== null) {
return $found;
}
// If SSL_CERT_FILE env variable points to a valid certificate/bundle, use that.
// This mimics how OpenSSL uses the SSL_CERT_FILE env variable.
$envCertFile = getenv('SSL_CERT_FILE');
if ($envCertFile && is_readable($envCertFile) && \openssl_x509_parse(file_get_contents($envCertFile))) {
if ($envCertFile && is_readable($envCertFile) && self::validateCaFile(file_get_contents($envCertFile))) {
// Possibly throw exception instead of ignoring SSL_CERT_FILE if it's invalid?
return $envCertFile;
}
@ -696,25 +707,50 @@ class RemoteFilesystem
'/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
__DIR__.'/../../../res/cacert.pem', // Bundled with Composer
);
static $found = false;
$configured = ini_get('openssl.cafile');
if ($configured && strlen($configured) > 0 && is_readable($caBundle) && \openssl_x509_parse(file_get_contents($caBundle))) {
if ($configured && strlen($configured) > 0 && is_readable($caBundle) && self::validateCaFile(file_get_contents($caBundle))) {
$found = true;
$caBundle = $configured;
} else {
foreach ($caBundlePaths as $caBundle) {
if (is_readable($caBundle) && \openssl_x509_parse(file_get_contents($caBundle))) {
if (@is_readable($caBundle) && self::validateCaFile(file_get_contents($caBundle))) {
$found = true;
break;
}
}
if (!$found) {
foreach ($caBundlePaths as $caBundle) {
$caBundle = dirname($caBundle);
if (is_dir($caBundle) && glob($caBundle.'/*')) {
$found = true;
break;
}
}
}
}
if ($found) {
$found = $caBundle;
}
return $found;
}
private static function validateCaFile($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);
}
}

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