Skip to content

[BrowserKit] Adds support for meta refresh #27118

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 18, 2018
Merged

[BrowserKit] Adds support for meta refresh #27118

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
35 changes: 34 additions & 1 deletion src/Symfony/Component/BrowserKit/Client.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ abstract class Client
protected $insulated = false;
protected $redirect;
protected $followRedirects = true;
protected $followMetaRefresh = false;

private $maxRedirects = -1;
private $redirectCount = 0;
Expand Down Expand Up @@ -68,6 +69,14 @@ public function followRedirects($followRedirect = true)
$this->followRedirects = (bool) $followRedirect;
}

/**
* Sets whether to automatically follow meta refresh redirects or not.
*/
public function followMetaRefresh(bool $followMetaRefresh = true)
{
$this->followMetaRefresh = $followMetaRefresh;
}

/**
* Returns whether client automatically follows redirects or not.
*
Expand Down Expand Up @@ -367,7 +376,16 @@ public function request(string $method, string $uri, array $parameters = array()
return $this->crawler = $this->followRedirect();
}

return $this->crawler = $this->createCrawlerFromContent($this->internalRequest->getUri(), $this->internalResponse->getContent(), $this->internalResponse->getHeader('Content-Type'));
$this->crawler = $this->createCrawlerFromContent($this->internalRequest->getUri(), $this->internalResponse->getContent(), $this->internalResponse->getHeader('Content-Type'));

// Check for meta refresh redirect
if ($this->followMetaRefresh && null !== $redirect = $this->getMetaRefreshUrl()) {
$this->redirect = $redirect;
$this->redirects[serialize($this->history->current())] = true;
$this->crawler = $this->followRedirect();
}

return $this->crawler;
}

/**
Expand Down Expand Up @@ -563,6 +581,21 @@ public function followRedirect()
return $response;
}

/**
* @see https://dev.w3.org/html5/spec-preview/the-meta-element.html#attr-meta-http-equiv-refresh
*/
private function getMetaRefreshUrl(): ?string
{
$metaRefresh = $this->getCrawler()->filter('head meta[http-equiv="refresh"]');
foreach ($metaRefresh->extract(array('content')) as $content) {
if (preg_match('/^\s*0\s*;\s*URL\s*=\s*(?|\'([^\']++)|"([^"]++)|([^\'"].*))/i', $content, $m)) {
return str_replace("\t\r\n", '', rtrim($m[1]));
}
}

return null;
}

/**
* Restarts the client.
*
Expand Down
33 changes: 33 additions & 0 deletions src/Symfony/Component/BrowserKit/Tests/ClientTest.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -594,6 +594,39 @@ public function testFollowRedirectDropPostMethod()
}
}

/**
* @dataProvider getTestsForMetaRefresh
*/
public function testFollowMetaRefresh(string $content, string $expectedEndingUrl, bool $followMetaRefresh = true)
{
$client = new TestClient();
$client->followMetaRefresh($followMetaRefresh);
$client->setNextResponse(new Response($content));
$client->request('GET', 'http://www.example.com/foo/foobar');
$this->assertEquals($expectedEndingUrl, $client->getRequest()->getUri());
}

public function getTestsForMetaRefresh()
{
return array(
array('<html><head><meta http-equiv="Refresh" content="4" /><meta http-equiv="refresh" content="0; URL=http://www.example.com/redirected"/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><meta http-equiv="refresh" content="0;URL=http://www.example.com/redirected"/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><meta http-equiv="refresh" content="0;URL=\'http://www.example.com/redirected\'"/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><meta http-equiv="refresh" content=\'0;URL="http://www.example.com/redirected"\'/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><meta http-equiv="refresh" content="0; URL = http://www.example.com/redirected"/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><meta http-equiv="refresh" content="0;URL= http://www.example.com/redirected "/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><meta http-equiv="refresh" content="0;url=http://www.example.com/redirected "/></head></html>', 'http://www.example.com/redirected'),
array('<html><head><noscript><meta http-equiv="refresh" content="0;URL=http://www.example.com/redirected"/></noscript></head></head></html>', 'http://www.example.com/redirected'),
// Non-zero timeout should not result in a redirect.
array('<html><head><meta http-equiv="refresh" content="4; URL=http://www.example.com/redirected"/></head></html>', 'http://www.example.com/foo/foobar'),
array('<html><body></body></html>', 'http://www.example.com/foo/foobar'),
// Invalid meta tag placement should not result in a redirect.
array('<html><body><meta http-equiv="refresh" content="0;url=http://www.example.com/redirected"/></body></html>', 'http://www.example.com/foo/foobar'),
// Valid meta refresh should not be followed if disabled.
array('<html><head><meta http-equiv="refresh" content="0;URL=http://www.example.com/redirected"/></head></html>', 'http://www.example.com/foo/foobar', false),
);
}

public function testBack()
{
$client = new TestClient();
Expand Down