public function handleRequest(AphrontRequest $request) { $user = $request->getUser(); $id = $request->getURIData('id'); $blog = id(new PhameBlogQuery())->setViewer($user)->withIDs(array($id))->executeOne(); if (!$blog) { return new Aphront404Response(); } if ($blog->getDomain() && $request->getHost() != $blog->getDomain()) { $base_uri = $blog->getLiveURI(); // Don't redirect directly, since the domain is user-controlled and there // are a bevy of security issues associated with automatic redirects to // external domains. // Previously we CSRF'd this and someone found a way to pass OAuth // information through it using anchors. Just make users click a normal // link so that this is no more dangerous than any other external link // on the site. $dialog = id(new AphrontDialogView())->setTitle(pht('Blog Moved'))->setUser($user)->appendParagraph(pht('This blog is now hosted here:'))->appendParagraph(phutil_tag('a', array('href' => $base_uri), $base_uri))->addCancelButton('/'); return id(new AphrontDialogResponse())->setDialog($dialog); } $phame_request = clone $request; $more = $phame_request->getURIData('more', ''); $phame_request->setPath('/' . ltrim($more, '/')); $uri = $blog->getLiveURI(); $skin = $blog->getSkinRenderer($phame_request); $skin->setBlog($blog)->setBaseURI($uri); $skin->willProcessRequest(array()); return $skin->processRequest(); }
public function testHostAttacks() { static $tests = array('domain.com' => 'domain.com', 'domain.com:80' => 'domain.com', 'evil.com:evil.com@real.com' => 'real.com', 'evil.com:evil.com@real.com:80' => 'real.com'); foreach ($tests as $input => $expect) { $r = new AphrontRequest($input, '/'); $this->assertEqual($expect, $r->getHost(), pht('Host: %s', $input)); } }
public function newSiteForRequest(AphrontRequest $request) { $host = $request->getHost(); $uri = PhabricatorEnv::getEnvConfig('security.alternate-file-domain'); if (!strlen($uri)) { return null; } if ($this->isHostMatch($host, array($uri))) { return new PhabricatorResourceSite(); } return null; }
public function newSiteForRequest(AphrontRequest $request) { if (!$this->isPhameActive()) { return null; } $host = $request->getHost(); try { $blog = id(new PhameBlogQuery())->setViewer(new PhabricatorUser())->withDomain($host)->needProfileImage(true)->withStatuses(array(PhameBlog::STATUS_ACTIVE))->executeOne(); } catch (PhabricatorPolicyException $ex) { throw new Exception(pht('This blog is not visible to logged out users, so it can not be ' . 'visited from a custom domain.')); } if (!$blog) { return null; } return id(new PhameBlogSite())->setBlog($blog); }
public function newSiteForRequest(AphrontRequest $request) { $host = $request->getHost(); $uri = PhabricatorEnv::getEnvConfig('phurl.short-uri'); if (!strlen($uri)) { return null; } $phurl_installed = PhabricatorApplication::isClassInstalled('PhabricatorPhurlApplication'); if (!$phurl_installed) { return false; } if ($this->isHostMatch($host, array($uri))) { return new PhabricatorShortSite(); } return null; }
public function newSiteForRequest(AphrontRequest $request) { $uris = array(); $uris[] = PhabricatorEnv::getEnvConfig('phabricator.base-uri'); $uris[] = PhabricatorEnv::getEnvConfig('phabricator.production-uri'); $allowed = PhabricatorEnv::getEnvConfig('phabricator.allowed-uris'); if ($allowed) { foreach ($allowed as $uri) { $uris[] = $uri; } } $host = $request->getHost(); if ($this->isHostMatch($host, $uris)) { return new PhabricatorPlatformSite(); } return null; }
public function newSiteForRequest(AphrontRequest $request) { $host = $request->getHost(); $uri = PhabricatorEnv::getEnvConfig('security.alternate-file-domain'); if (!strlen($uri)) { return null; } if ($this->isHostMatch($host, array($uri))) { return new PhabricatorResourceSite(); } // These are CDN routes, so we let them through even if the "Host" header // doesn't match anything we recognize. The $whitelist = array('/res/', '/file/data/', '/file/xform/'); $path = $request->getPath(); if ($this->isPathPrefixMatch($path, $whitelist)) { return new PhabricatorResourceSite(); } return null; }
public function newSiteForRequest(AphrontRequest $request) { // If no base URI has been configured yet, match this site so the user // can follow setup instructions. $base_uri = PhabricatorEnv::getEnvConfig('phabricator.base-uri'); if (!strlen($base_uri)) { return new PhabricatorPlatformSite(); } $uris = array(); $uris[] = $base_uri; $uris[] = PhabricatorEnv::getEnvConfig('phabricator.production-uri'); $allowed = PhabricatorEnv::getEnvConfig('phabricator.allowed-uris'); if ($allowed) { foreach ($allowed as $uri) { $uris[] = $uri; } } $host = $request->getHost(); if ($this->isHostMatch($host, $uris)) { return new PhabricatorPlatformSite(); } return null; }
public function handleRequest(AphrontRequest $request) { $viewer = $request->getViewer(); $this->phid = $request->getURIData('phid'); $this->key = $request->getURIData('key'); $this->token = $request->getURIData('token'); $alt = PhabricatorEnv::getEnvConfig('security.alternate-file-domain'); $base_uri = PhabricatorEnv::getEnvConfig('phabricator.base-uri'); $alt_uri = new PhutilURI($alt); $alt_domain = $alt_uri->getDomain(); $req_domain = $request->getHost(); $main_domain = id(new PhutilURI($base_uri))->getDomain(); $cache_response = true; if (empty($alt) || $main_domain == $alt_domain) { // Alternate files domain isn't configured or it's set // to the same as the default domain $response = $this->loadFile($viewer); if ($response) { return $response; } $file = $this->getFile(); // when the file is not CDNable, don't allow cache $cache_response = $file->getCanCDN(); } else { if ($req_domain != $alt_domain) { // Alternate domain is configured but this request isn't using it $response = $this->loadFile($viewer); if ($response) { return $response; } $file = $this->getFile(); // if the user can see the file, generate a token; // redirect to the alt domain with the token; $token_uri = $file->getCDNURIWithToken(); $token_uri = new PhutilURI($token_uri); $token_uri = $this->addURIParameters($token_uri); return id(new AphrontRedirectResponse())->setIsExternal(true)->setURI($token_uri); } else { // We are using the alternate domain. We don't have authentication // on this domain, so we bypass policy checks when loading the file. $bypass_policies = PhabricatorUser::getOmnipotentUser(); $response = $this->loadFile($bypass_policies); if ($response) { return $response; } $file = $this->getFile(); $acquire_token_uri = id(new PhutilURI($file->getViewURI()))->setDomain($main_domain); $acquire_token_uri = $this->addURIParameters($acquire_token_uri); if ($this->token) { // validate the token, if it is valid, continue $validated_token = $file->validateOneTimeToken($this->token); if (!$validated_token) { $dialog = $this->newDialog()->setShortTitle(pht('Expired File'))->setTitle(pht('File Link Has Expired'))->appendParagraph(pht('The link you followed to view this file is invalid or ' . 'expired.'))->appendParagraph(pht('Continue to generate a new link to the file. You may be ' . 'required to log in.'))->addCancelButton($acquire_token_uri, pht('Continue')); // Build an explicit response so we can respond with HTTP/403 instead // of HTTP/200. $response = id(new AphrontDialogResponse())->setDialog($dialog)->setHTTPResponseCode(403); return $response; } // return the file data without cache headers $cache_response = false; } else { if (!$file->getCanCDN()) { // file cannot be served via cdn, and no token given // redirect to the main domain to aquire a token // This is marked as an "external" URI because it is fully qualified. return id(new AphrontRedirectResponse())->setIsExternal(true)->setURI($acquire_token_uri); } } } } $response = new AphrontFileResponse(); if ($cache_response) { $response->setCacheDurationInSeconds(60 * 60 * 24 * 30); } $begin = null; $end = null; // NOTE: It's important to accept "Range" requests when playing audio. // If we don't, Safari has difficulty figuring out how long sounds are // and glitches when trying to loop them. In particular, Safari sends // an initial request for bytes 0-1 of the audio file, and things go south // if we can't respond with a 206 Partial Content. $range = $request->getHTTPHeader('range'); if ($range) { $matches = null; if (preg_match('/^bytes=(\\d+)-(\\d+)$/', $range, $matches)) { // Note that the "Range" header specifies bytes differently than // we do internally: the range 0-1 has 2 bytes (byte 0 and byte 1). $begin = (int) $matches[1]; $end = (int) $matches[2] + 1; $response->setHTTPResponseCode(206); $response->setRange($begin, $end - 1); } } else { if (isset($validated_token)) { // We set this on the response, and the response deletes it after the // transfer completes. This allows transfers to be resumed, in theory. $response->setTemporaryFileToken($validated_token); } } $is_viewable = $file->isViewableInBrowser(); $force_download = $request->getExists('download'); if ($is_viewable && !$force_download) { $response->setMimeType($file->getViewableMimeType()); } else { if (!$request->isHTTPPost() && !$alt_domain) { // NOTE: Require POST to download files from the primary domain. We'd // rather go full-bore and do a real CSRF check, but can't currently // authenticate users on the file domain. This should blunt any // attacks based on iframes, script tags, applet tags, etc., at least. // Send the user to the "info" page if they're using some other method. // This is marked as "external" because it is fully qualified. return id(new AphrontRedirectResponse())->setIsExternal(true)->setURI(PhabricatorEnv::getProductionURI($file->getBestURI())); } $response->setMimeType($file->getMimeType()); $response->setDownload($file->getName()); } $iterator = $file->getFileDataIterator($begin, $end); $response->setContentLength($file->getByteSize()); $response->setContentIterator($iterator); return $response; }
public function handleRequest(AphrontRequest $request) { $viewer = $request->getViewer(); $this->phid = $request->getURIData('phid'); $this->key = $request->getURIData('key'); $alt = PhabricatorEnv::getEnvConfig('security.alternate-file-domain'); $base_uri = PhabricatorEnv::getEnvConfig('phabricator.base-uri'); $alt_uri = new PhutilURI($alt); $alt_domain = $alt_uri->getDomain(); $req_domain = $request->getHost(); $main_domain = id(new PhutilURI($base_uri))->getDomain(); if (!strlen($alt) || $main_domain == $alt_domain) { // No alternate domain. $should_redirect = false; $is_alternate_domain = false; } else { if ($req_domain != $alt_domain) { // Alternate domain, but this request is on the main domain. $should_redirect = true; $is_alternate_domain = false; } else { // Alternate domain, and on the alternate domain. $should_redirect = false; $is_alternate_domain = true; } } $response = $this->loadFile(); if ($response) { return $response; } $file = $this->getFile(); if ($should_redirect) { return id(new AphrontRedirectResponse())->setIsExternal(true)->setURI($file->getCDNURI()); } $response = new AphrontFileResponse(); $response->setCacheDurationInSeconds(60 * 60 * 24 * 30); $response->setCanCDN($file->getCanCDN()); $begin = null; $end = null; // NOTE: It's important to accept "Range" requests when playing audio. // If we don't, Safari has difficulty figuring out how long sounds are // and glitches when trying to loop them. In particular, Safari sends // an initial request for bytes 0-1 of the audio file, and things go south // if we can't respond with a 206 Partial Content. $range = $request->getHTTPHeader('range'); if ($range) { $matches = null; if (preg_match('/^bytes=(\\d+)-(\\d+)$/', $range, $matches)) { // Note that the "Range" header specifies bytes differently than // we do internally: the range 0-1 has 2 bytes (byte 0 and byte 1). $begin = (int) $matches[1]; $end = (int) $matches[2] + 1; $response->setHTTPResponseCode(206); $response->setRange($begin, $end - 1); } } $is_viewable = $file->isViewableInBrowser(); $force_download = $request->getExists('download'); $request_type = $request->getHTTPHeader('X-Phabricator-Request-Type'); $is_lfs = $request_type == 'git-lfs'; if ($is_viewable && !$force_download) { $response->setMimeType($file->getViewableMimeType()); } else { if (!$request->isHTTPPost() && !$is_alternate_domain && !$is_lfs) { // NOTE: Require POST to download files from the primary domain. We'd // rather go full-bore and do a real CSRF check, but can't currently // authenticate users on the file domain. This should blunt any // attacks based on iframes, script tags, applet tags, etc., at least. // Send the user to the "info" page if they're using some other method. // This is marked as "external" because it is fully qualified. return id(new AphrontRedirectResponse())->setIsExternal(true)->setURI(PhabricatorEnv::getProductionURI($file->getBestURI())); } $response->setMimeType($file->getMimeType()); $response->setDownload($file->getName()); } $iterator = $file->getFileDataIterator($begin, $end); $response->setContentLength($file->getByteSize()); $response->setContentIterator($iterator); return $response; }