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drkthunder02
2019-05-18 09:06:43 +00:00
parent 901d16349e
commit e9487fa58a
2025 changed files with 30366 additions and 49653 deletions
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12
vendor/symfony/http-kernel/HttpCache/AbstractSurrogate.php vendored
View File

@@ -24,16 +24,16 @@ use Symfony\Component\HttpKernel\HttpKernelInterface;
abstract class AbstractSurrogate implements SurrogateInterface
{
protected $contentTypes;
protected $phpEscapeMap = array(
array('<?', '<%', '<s', '<S'),
array('<?php echo "<?"; ?>', '<?php echo "<%"; ?>', '<?php echo "<s"; ?>', '<?php echo "<S"; ?>'),
);
protected $phpEscapeMap = [
['<?', '<%', '<s', '<S'],
['<?php echo "<?"; ?>', '<?php echo "<%"; ?>', '<?php echo "<s"; ?>', '<?php echo "<S"; ?>'],
];
/**
* @param array $contentTypes An array of content-type that should be parsed for Surrogate information
* (default: text/html, text/xml, application/xhtml+xml, and application/xml)
*/
public function __construct(array $contentTypes = array('text/html', 'text/xml', 'application/xhtml+xml', 'application/xml'))
public function __construct(array $contentTypes = ['text/html', 'text/xml', 'application/xhtml+xml', 'application/xml'])
{
$this->contentTypes = $contentTypes;
}
@@ -90,7 +90,7 @@ abstract class AbstractSurrogate implements SurrogateInterface
*/
public function handle(HttpCache $cache, $uri, $alt, $ignoreErrors)
{
$subRequest = Request::create($uri, Request::METHOD_GET, array(), $cache->getRequest()->cookies->all(), array(), $cache->getRequest()->server->all());
$subRequest = Request::create($uri, Request::METHOD_GET, [], $cache->getRequest()->cookies->all(), [], $cache->getRequest()->server->all());
try {
$response = $cache->handle($subRequest, HttpKernelInterface::SUB_REQUEST, true);

2
vendor/symfony/http-kernel/HttpCache/Esi.php vendored
View File

@@ -85,7 +85,7 @@ class Esi extends AbstractSurrogate
$i = 1;
while (isset($chunks[$i])) {
$options = array();
$options = [];
preg_match_all('/(src|onerror|alt)="([^"]*?)"/', $chunks[$i], $matches, PREG_SET_ORDER);
foreach ($matches as $set) {
$options[$set[1]] = $set[2];

30
vendor/symfony/http-kernel/HttpCache/HttpCache.php vendored
View File

@@ -32,8 +32,8 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
private $request;
private $surrogate;
private $surrogateCacheStrategy;
private $options = array();
private $traces = array();
private $options = [];
private $traces = [];
/**
* Constructor.
@@ -70,24 +70,24 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
* This setting is overridden by the stale-if-error HTTP Cache-Control extension
* (see RFC 5861).
*/
public function __construct(HttpKernelInterface $kernel, StoreInterface $store, SurrogateInterface $surrogate = null, array $options = array())
public function __construct(HttpKernelInterface $kernel, StoreInterface $store, SurrogateInterface $surrogate = null, array $options = [])
{
$this->store = $store;
$this->kernel = $kernel;
$this->surrogate = $surrogate;
// needed in case there is a fatal error because the backend is too slow to respond
register_shutdown_function(array($this->store, 'cleanup'));
register_shutdown_function([$this->store, 'cleanup']);
$this->options = array_merge(array(
$this->options = array_merge([
'debug' => false,
'default_ttl' => 0,
'private_headers' => array('Authorization', 'Cookie'),
'private_headers' => ['Authorization', 'Cookie'],
'allow_reload' => false,
'allow_revalidate' => false,
'stale_while_revalidate' => 2,
'stale_if_error' => 60,
), $options);
], $options);
}
/**
@@ -117,7 +117,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
*/
public function getLog()
{
$log = array();
$log = [];
foreach ($this->traces as $request => $traces) {
$log[] = sprintf('%s: %s', $request, implode(', ', $traces));
}
@@ -164,7 +164,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
{
// FIXME: catch exceptions and implement a 500 error page here? -> in Varnish, there is a built-in error page mechanism
if (HttpKernelInterface::MASTER_REQUEST === $type) {
$this->traces = array();
$this->traces = [];
// Keep a clone of the original request for surrogates so they can access it.
// We must clone here to get a separate instance because the application will modify the request during
// the application flow (we know it always does because we do ourselves by setting REMOTE_ADDR to 127.0.0.1
@@ -175,7 +175,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
}
}
$this->traces[$this->getTraceKey($request)] = array();
$this->traces[$this->getTraceKey($request)] = [];
if (!$request->isMethodSafe(false)) {
$response = $this->invalidate($request, $catch);
@@ -260,9 +260,9 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
$this->store->invalidate($request);
// As per the RFC, invalidate Location and Content-Location URLs if present
foreach (array('Location', 'Content-Location') as $header) {
foreach (['Location', 'Content-Location'] as $header) {
if ($uri = $response->headers->get($header)) {
$subRequest = Request::create($uri, 'get', array(), array(), array(), $request->server->all());
$subRequest = Request::create($uri, 'get', [], [], [], $request->server->all());
$this->store->invalidate($subRequest);
}
@@ -357,7 +357,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
// Add our cached etag validator to the environment.
// We keep the etags from the client to handle the case when the client
// has a different private valid entry which is not cached here.
$cachedEtags = $entry->getEtag() ? array($entry->getEtag()) : array();
$cachedEtags = $entry->getEtag() ? [$entry->getEtag()] : [];
$requestEtags = $request->getETags();
if ($etags = array_unique(array_merge($cachedEtags, $requestEtags))) {
$subRequest->headers->set('if_none_match', implode(', ', $etags));
@@ -377,7 +377,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
$entry = clone $entry;
$entry->headers->remove('Date');
foreach (array('Date', 'Expires', 'Cache-Control', 'ETag', 'Last-Modified') as $name) {
foreach (['Date', 'Expires', 'Cache-Control', 'ETag', 'Last-Modified'] as $name) {
if ($response->headers->has($name)) {
$entry->headers->set($name, $response->headers->get($name));
}
@@ -448,7 +448,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
$response = SubRequestHandler::handle($this->kernel, $request, HttpKernelInterface::MASTER_REQUEST, $catch);
// we don't implement the stale-if-error on Requests, which is nonetheless part of the RFC
if (null !== $entry && \in_array($response->getStatusCode(), array(500, 502, 503, 504))) {
if (null !== $entry && \in_array($response->getStatusCode(), [500, 502, 503, 504])) {
if (null === $age = $entry->headers->getCacheControlDirective('stale-if-error')) {
$age = $this->options['stale_if_error'];
}

198
vendor/symfony/http-kernel/HttpCache/ResponseCacheStrategy.php vendored
View File

@@ -5,10 +5,6 @@
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* This code is partially based on the Rack-Cache library by Ryan Tomayko,
* which is released under the MIT license.
* (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
@@ -28,30 +24,69 @@ use Symfony\Component\HttpFoundation\Response;
*/
class ResponseCacheStrategy implements ResponseCacheStrategyInterface
{
private $cacheable = true;
/**
* Cache-Control headers that are sent to the final response if they appear in ANY of the responses.
*/
private static $overrideDirectives = ['private', 'no-cache', 'no-store', 'no-transform', 'must-revalidate', 'proxy-revalidate'];
/**
* Cache-Control headers that are sent to the final response if they appear in ALL of the responses.
*/
private static $inheritDirectives = ['public', 'immutable'];
private $embeddedResponses = 0;
private $ttls = array();
private $maxAges = array();
private $isNotCacheableResponseEmbedded = false;
private $age = 0;
private $flagDirectives = [
'no-cache' => null,
'no-store' => null,
'no-transform' => null,
'must-revalidate' => null,
'proxy-revalidate' => null,
'public' => null,
'private' => null,
'immutable' => null,
];
private $ageDirectives = [
'max-age' => null,
's-maxage' => null,
'expires' => null,
];
/**
* {@inheritdoc}
*/
public function add(Response $response)
{
if (!$response->isFresh() || !$response->isCacheable()) {
$this->cacheable = false;
} else {
$maxAge = $response->getMaxAge();
$this->ttls[] = $response->getTtl();
$this->maxAges[] = $maxAge;
++$this->embeddedResponses;
if (null === $maxAge) {
$this->isNotCacheableResponseEmbedded = true;
foreach (self::$overrideDirectives as $directive) {
if ($response->headers->hasCacheControlDirective($directive)) {
$this->flagDirectives[$directive] = true;
}
}
++$this->embeddedResponses;
foreach (self::$inheritDirectives as $directive) {
if (false !== $this->flagDirectives[$directive]) {
$this->flagDirectives[$directive] = $response->headers->hasCacheControlDirective($directive);
}
}
$age = $response->getAge();
$this->age = max($this->age, $age);
if ($this->willMakeFinalResponseUncacheable($response)) {
$this->isNotCacheableResponseEmbedded = true;
return;
}
$this->storeRelativeAgeDirective('max-age', $response->headers->getCacheControlDirective('max-age'), $age);
$this->storeRelativeAgeDirective('s-maxage', $response->headers->getCacheControlDirective('s-maxage') ?: $response->headers->getCacheControlDirective('max-age'), $age);
$expires = $response->getExpires();
$expires = null !== $expires ? $expires->format('U') - $response->getDate()->format('U') : null;
$this->storeRelativeAgeDirective('expires', $expires >= 0 ? $expires : null, 0);
}
/**
@@ -64,33 +99,124 @@ class ResponseCacheStrategy implements ResponseCacheStrategyInterface
return;
}
// Remove validation related headers in order to avoid browsers using
// their own cache, because some of the response content comes from
// at least one embedded response (which likely has a different caching strategy).
if ($response->isValidateable()) {
$response->setEtag(null);
$response->setLastModified(null);
}
// Remove validation related headers of the master response,
// because some of the response content comes from at least
// one embedded response (which likely has a different caching strategy).
$response->setEtag(null);
$response->setLastModified(null);
if (!$response->isFresh() || !$response->isCacheable()) {
$this->cacheable = false;
}
$this->add($response);
if (!$this->cacheable) {
$response->headers->set('Cache-Control', 'no-cache, must-revalidate');
$response->headers->set('Age', $this->age);
if ($this->isNotCacheableResponseEmbedded) {
$response->setExpires($response->getDate());
if ($this->flagDirectives['no-store']) {
$response->headers->set('Cache-Control', 'no-cache, no-store, must-revalidate');
} else {
$response->headers->set('Cache-Control', 'no-cache, must-revalidate');
}
return;
}
$this->ttls[] = $response->getTtl();
$this->maxAges[] = $response->getMaxAge();
$flags = array_filter($this->flagDirectives);
if ($this->isNotCacheableResponseEmbedded) {
$response->headers->removeCacheControlDirective('s-maxage');
} elseif (null !== $maxAge = min($this->maxAges)) {
$response->setSharedMaxAge($maxAge);
$response->headers->set('Age', $maxAge - min($this->ttls));
if (isset($flags['must-revalidate'])) {
$flags['no-cache'] = true;
}
$response->headers->set('Cache-Control', implode(', ', array_keys($flags)));
$maxAge = null;
$sMaxage = null;
if (\is_numeric($this->ageDirectives['max-age'])) {
$maxAge = $this->ageDirectives['max-age'] + $this->age;
$response->headers->addCacheControlDirective('max-age', $maxAge);
}
if (\is_numeric($this->ageDirectives['s-maxage'])) {
$sMaxage = $this->ageDirectives['s-maxage'] + $this->age;
if ($maxAge !== $sMaxage) {
$response->headers->addCacheControlDirective('s-maxage', $sMaxage);
}
}
if (\is_numeric($this->ageDirectives['expires'])) {
$date = clone $response->getDate();
$date->modify('+'.($this->ageDirectives['expires'] + $this->age).' seconds');
$response->setExpires($date);
}
}
/**
* RFC2616, Section 13.4.
*
* @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.4
*
* @return bool
*/
private function willMakeFinalResponseUncacheable(Response $response)
{
// RFC2616: A response received with a status code of 200, 203, 300, 301 or 410
// MAY be stored by a cache […] unless a cache-control directive prohibits caching.
if ($response->headers->hasCacheControlDirective('no-cache')
|| $response->headers->getCacheControlDirective('no-store')
) {
return true;
}
// Last-Modified and Etag headers cannot be merged, they render the response uncacheable
// by default (except if the response also has max-age etc.).
if (\in_array($response->getStatusCode(), [200, 203, 300, 301, 410])
&& null === $response->getLastModified()
&& null === $response->getEtag()
) {
return false;
}
// RFC2616: A response received with any other status code (e.g. status codes 302 and 307)
// MUST NOT be returned in a reply to a subsequent request unless there are
// cache-control directives or another header(s) that explicitly allow it.
$cacheControl = ['max-age', 's-maxage', 'must-revalidate', 'proxy-revalidate', 'public', 'private'];
foreach ($cacheControl as $key) {
if ($response->headers->hasCacheControlDirective($key)) {
return false;
}
}
if ($response->headers->has('Expires')) {
return false;
}
return true;
}
/**
* Store lowest max-age/s-maxage/expires for the final response.
*
* The response might have been stored in cache a while ago. To keep things comparable,
* we have to subtract the age so that the value is normalized for an age of 0.
*
* If the value is lower than the currently stored value, we update the value, to keep a rolling
* minimal value of each instruction. If the value is NULL, the directive will not be set on the final response.
*
* @param string $directive
* @param int|null $value
* @param int $age
*/
private function storeRelativeAgeDirective($directive, $value, $age)
{
if (null === $value) {
$this->ageDirectives[$directive] = false;
}
if (false !== $this->ageDirectives[$directive]) {
$value -= $age;
$this->ageDirectives[$directive] = null !== $this->ageDirectives[$directive] ? min($this->ageDirectives[$directive], $value) : $value;
}
$response->setMaxAge(0);
}
}

2
vendor/symfony/http-kernel/HttpCache/Ssi.php vendored
View File

@@ -70,7 +70,7 @@ class Ssi extends AbstractSurrogate
$i = 1;
while (isset($chunks[$i])) {
$options = array();
$options = [];
preg_match_all('/(virtual)="([^"]*?)"/', $chunks[$i], $matches, PREG_SET_ORDER);
foreach ($matches as $set) {
$options[$set[1]] = $set[2];

20
vendor/symfony/http-kernel/HttpCache/Store.php vendored
View File

@@ -38,7 +38,7 @@ class Store implements StoreInterface
throw new \RuntimeException(sprintf('Unable to create the store directory (%s).', $this->root));
}
$this->keyCache = new \SplObjectStorage();
$this->locks = array();
$this->locks = [];
}
/**
@@ -52,7 +52,7 @@ class Store implements StoreInterface
fclose($lock);
}
$this->locks = array();
$this->locks = [];
}
/**
@@ -190,11 +190,11 @@ class Store implements StoreInterface
}
// read existing cache entries, remove non-varying, and add this one to the list
$entries = array();
$entries = [];
$vary = $response->headers->get('vary');
foreach ($this->getMetadata($key) as $entry) {
if (!isset($entry[1]['vary'][0])) {
$entry[1]['vary'] = array('');
$entry[1]['vary'] = [''];
}
if ($entry[1]['vary'][0] != $vary || !$this->requestsMatch($vary, $entry[0], $storedEnv)) {
@@ -205,7 +205,7 @@ class Store implements StoreInterface
$headers = $this->persistResponse($response);
unset($headers['age']);
array_unshift($entries, array($storedEnv, $headers));
array_unshift($entries, [$storedEnv, $headers]);
if (false === $this->save($key, serialize($entries))) {
throw new \RuntimeException('Unable to store the metadata.');
@@ -234,13 +234,13 @@ class Store implements StoreInterface
$modified = false;
$key = $this->getCacheKey($request);
$entries = array();
$entries = [];
foreach ($this->getMetadata($key) as $entry) {
$response = $this->restoreResponse($entry[1]);
if ($response->isFresh()) {
$response->expire();
$modified = true;
$entries[] = array($entry[0], $this->persistResponse($response));
$entries[] = [$entry[0], $this->persistResponse($response)];
} else {
$entries[] = $entry;
}
@@ -291,7 +291,7 @@ class Store implements StoreInterface
private function getMetadata($key)
{
if (!$entries = $this->load($key)) {
return array();
return [];
}
return unserialize($entries);
@@ -462,7 +462,7 @@ class Store implements StoreInterface
private function persistResponse(Response $response)
{
$headers = $response->headers->all();
$headers['X-Status'] = array($response->getStatusCode());
$headers['X-Status'] = [$response->getStatusCode()];
return $headers;
}
@@ -481,7 +481,7 @@ class Store implements StoreInterface
unset($headers['X-Status']);
if (null !== $body) {
$headers['X-Body-File'] = array($body);
$headers['X-Body-File'] = [$body];
}
return new Response($body, $status, $headers);

10
vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php vendored
View File

@@ -32,13 +32,13 @@ class SubRequestHandler
// remove untrusted values
$remoteAddr = $request->server->get('REMOTE_ADDR');
if (!IpUtils::checkIp($remoteAddr, $trustedProxies)) {
$trustedHeaders = array(
$trustedHeaders = [
'FORWARDED' => $trustedHeaderSet & Request::HEADER_FORWARDED,
'X_FORWARDED_FOR' => $trustedHeaderSet & Request::HEADER_X_FORWARDED_FOR,
'X_FORWARDED_HOST' => $trustedHeaderSet & Request::HEADER_X_FORWARDED_HOST,
'X_FORWARDED_PROTO' => $trustedHeaderSet & Request::HEADER_X_FORWARDED_PROTO,
'X_FORWARDED_PORT' => $trustedHeaderSet & Request::HEADER_X_FORWARDED_PORT,
);
];
foreach (array_filter($trustedHeaders) as $name => $key) {
$request->headers->remove($name);
$request->server->remove('HTTP_'.$name);
@@ -46,8 +46,8 @@ class SubRequestHandler
}
// compute trusted values, taking any trusted proxies into account
$trustedIps = array();
$trustedValues = array();
$trustedIps = [];
$trustedValues = [];
foreach (array_reverse($request->getClientIps()) as $ip) {
$trustedIps[] = $ip;
$trustedValues[] = sprintf('for="%s"', $ip);
@@ -78,7 +78,7 @@ class SubRequestHandler
// ensure 127.0.0.1 is set as trusted proxy
if (!IpUtils::checkIp('127.0.0.1', $trustedProxies)) {
Request::setTrustedProxies(array_merge($trustedProxies, array('127.0.0.1')), Request::getTrustedHeaderSet());
Request::setTrustedProxies(array_merge($trustedProxies, ['127.0.0.1']), Request::getTrustedHeaderSet());
}
try {