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composer
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Centralize secure-http checking

pull/5032/head
Niels Keurentjes 2016-03-10 00:19:52 +01:00
parent 37a1e12672
commit 49524bc4ba
7 changed files with 99 additions and 32 deletions
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25
src/Composer/Config.php
View File

@ -13,6 +13,7 @@
namespace Composer;
use Composer\Config\ConfigSourceInterface;
use Composer\Downloader\TransportException;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
@ -395,4 +396,28 @@ class Config
return false;
}
/**
* Validates that the passed URL is allowed to be used by current config, or throws an exception.
*
* @param string $url
*/
public function prohibitUrlByConfig($url)
{
if (!$this->get('secure-http')) {
return;
}
// Parse the URL into its separate parts
$parsed = parse_url($url);
if (false === $parsed || !isset($parsed['scheme'])) {
// If the URL is malformed or does not contain a usable scheme it's not going to work anyway
return;
}
// Throw exception on known insecure protocols
if (in_array($parsed['scheme'], array('http', 'git', 'ftp', 'svn'))) {
throw new TransportException("Your configuration does not allow connections to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
}
}

13
src/Composer/Downloader/HgDownloader.php
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@ -25,7 +25,8 @@ class HgDownloader extends VcsDownloader
*/
public function doDownload(PackageInterface $package, $path, $url)
{
$this->checkSecureHttp($url);
// Ensure we are allowed to use this URL by config
$this->config->prohibitUrlByConfig($url);
$url = ProcessExecutor::escape($url);
$ref = ProcessExecutor::escape($package->getSourceReference());
@ -45,7 +46,8 @@ class HgDownloader extends VcsDownloader
*/
public function doUpdate(PackageInterface $initial, PackageInterface $target, $path, $url)
{
$this->checkSecureHttp($url);
// Ensure we are allowed to use this URL by config
$this->config->prohibitUrlByConfig($url);
$url = ProcessExecutor::escape($url);
$ref = ProcessExecutor::escape($target->getSourceReference());
@ -89,13 +91,6 @@ class HgDownloader extends VcsDownloader
return $output;
}
protected function checkSecureHttp($url)
{
if (preg_match('{^http:}i', $url) && $this->config->get('secure-http')) {
throw new TransportException("Your configuration does not allow connection to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
}
/**
* {@inheritDoc}
*/

5
src/Composer/Repository/Vcs/HgDriver.php
View File

@ -48,9 +48,8 @@ class HgDriver extends VcsDriver
throw new \RuntimeException('Can not clone '.$this->url.' to access package information. The "'.$cacheDir.'" directory is not writable by the current user.');
}
if (preg_match('{^http:}i', $this->url) && $this->config->get('secure-http')) {
throw new TransportException("Your configuration does not allow connection to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
// Ensure we are allowed to use this URL by config
$this->config->prohibitUrlByConfig($this->url);
// update the repo if it is a valid hg repository
if (is_dir($this->repoDir) && 0 === $this->process->execute('hg summary', $output, $this->repoDir)) {

5
src/Composer/Util/Git.php
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@ -40,9 +40,8 @@ class Git
public function runCommand($commandCallable, $url, $cwd, $initialClone = false)
{
if (preg_match('{^(http|git):}i', $url) && $this->config->get('secure-http')) {
throw new TransportException("Your configuration does not allow connection to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
// Ensure we are allowed to use this URL by config
$this->config->prohibitUrlByConfig($url);
if ($initialClone) {
$origCwd = $cwd;

17
src/Composer/Util/RemoteFilesystem.php
View File

@ -260,20 +260,9 @@ class RemoteFilesystem
$this->io->writeError(" Downloading: <comment>Connecting...</comment>", false);
}
// Check for secure HTTP
if (
($this->scheme === 'http' || substr($fileUrl, 0, 5) === 'http:')
&& $this->config && $this->config->get('secure-http')
) {
// Passthru unsecure Packagist calls to $hashed providers as file integrity is verified with sha256
if (substr($fileUrl, 0, 23) !== 'http://packagist.org/p/' || (false === strpos($fileUrl, '$') && false === strpos($fileUrl, '%24'))) {
// other URLs must fail hard
throw new TransportException(sprintf(
'Your configuration does not allow connection to %s://%s. See https://getcomposer.org/doc/06-config.md#secure-http for details.',
$this->scheme,
$originUrl
));
}
// Check for secure HTTP, but allow insecure Packagist calls to $hashed providers as file integrity is verified with sha256
if ((substr($fileUrl, 0, 23) !== 'http://packagist.org/p/' || (false === strpos($fileUrl, '$') && false === strpos($fileUrl, '%24'))) && $this->config) {
$this->config->prohibitUrlByConfig($fileUrl);
}
$errorMessage = '';

5
src/Composer/Util/Svn.php
View File

@ -100,9 +100,8 @@ class Svn
*/
public function execute($command, $url, $cwd = null, $path = null, $verbose = false)
{
if (preg_match('{^(http|svn):}i', $url) && $this->config->get('secure-http')) {
throw new TransportException("Your configuration does not allow connection to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
// Ensure we are allowed to use this URL by config
$this->config->prohibitUrlByConfig($url);
$svnCommand = $this->getCommand($command, $url, $path);
$output = null;

61
tests/Composer/Test/ConfigTest.php
View File

@ -13,6 +13,7 @@
namespace Composer\Test;
use Composer\Config;
use Composer\Downloader\TransportException;
class ConfigTest extends \PHPUnit_Framework_TestCase
{
@ -212,6 +213,66 @@ class ConfigTest extends \PHPUnit_Framework_TestCase
$this->assertEquals(array('https', 'git'), $config->get('github-protocols'));
}
/**
* @dataProvider allowedUrlProvider
*
* @param string $url
*/
public function testAllowedUrlsPass($url)
{
$config = new Config(false);
$config->prohibitUrlByConfig($url);
}
/**
* @dataProvider prohibitedUrlProvider
*
* @param string $url
*/
public function testProhibitedUrlsThrowException($url)
{
$this->setExpectedException(
'Composer\Downloader\TransportException',
'Your configuration does not allow connections to ' . $url
);
$config = new Config(false);
$config->prohibitUrlByConfig($url);
}
/**
* @return array List of test URLs that should pass strict security
*/
public function allowedUrlProvider()
{
$urls = array(
'https://packagist.org',
'git@github.com:composer/composer.git',
'hg://user:pass@my.satis/satis',
'\\myserver\myplace.git',
'file://myserver.localhost/mygit.git',
'file://example.org/mygit.git',
);
return array_combine($urls, array_map(function($e) { return array($e); }, $urls));
}
/**
* @return array List of test URLs that should not pass strict security
*/
public function prohibitedUrlProvider()
{
$urls = array(
'http://packagist.org',
'http://10.1.0.1/satis',
'http://127.0.0.1/satis',
'svn://localhost/trunk',
'svn://will.not.resolve/trunk',
'svn://192.168.0.1/trunk',
'svn://1.2.3.4/trunk',
'git://5.6.7.8/git.git',
);
return array_combine($urls, array_map(function($e) { return array($e); }, $urls));
}
/**
* @group TLS
*/