Don't set Content-Disposition header if one already exists

If a Content-Disposition header is already set by another plugin we don't need to set another one as this breaks clients. Fixes #1992 Signed-off-by: Lukas Reschke <lukas@statuscode.ch>
nextcloud · Dec 14, 2016 · 8a00638 · 8a00638
1 parent e1b8064
commit 8a00638
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Showing 4 changed files with 196 additions and 2 deletions.
diff --git a/apps/dav/lib/Connector/Sabre/FilesPlugin.php b/apps/dav/lib/Connector/Sabre/FilesPlugin.php
@@ -247,8 +247,10 @@ function httpGet(RequestInterface $request, ResponseInterface $response) {
 		$node = $this->tree->getNodeForPath($request->getPath());
 		if (!($node instanceof IFile)) return;
 
-		// adds a 'Content-Disposition: attachment' header
-		if ($this->downloadAttachment) {
+		// adds a 'Content-Disposition: attachment' header in case no disposition
+		// header has been set before
+		if ($this->downloadAttachment &&
+			$response->getHeader('Content-Disposition') === null) {
 			$filename = $node->getName();
 			if ($this->request->isUserAgent(
 				[

diff --git a/build/integration/data/bjoern.vcf b/build/integration/data/bjoern.vcf
@@ -0,0 +1,51 @@
+BEGIN:VCARD
+VERSION:3.0
+FN:Björn Schießle
+ORG:Nextcloud
+PHOTO;ENCODING=b;TYPE=jpeg:/9j/4AAQSkZJRgABAQEAbABrAAD//gA7Q1JFQVRPUjogZ2Qt
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+UID:6454bec7-6f5b-46f2-ba22-15537ab215d9
+CATEGORIES:Engineering
+END:VCARD
diff --git a/build/integration/features/bootstrap/CardDavContext.php b/build/integration/features/bootstrap/CardDavContext.php
@@ -202,4 +202,115 @@ public function theCarddavErrorMessageIs($message) {
 		}
 	}
 
+	/**
+	 * @Given :user uploads the contact :fileName to the addressbook :addressbook
+	 */
+	public function uploadsTheContactToTheAddressbook($user, $fileName, $addressBook)  {
+		$davUrl = $this->baseUrl . '/remote.php/dav/addressbooks/users/'.$user.'/'.$addressBook . '/' . $fileName;
+		$password = ($user === 'admin') ? 'admin' : '123456';
+
+		$request = $this->client->createRequest(
+			'PUT',
+			$davUrl,
+			[
+				'body' => file_get_contents(__DIR__ . '/../../data/' . $fileName),
+				'auth' => [
+					$user,
+					$password,
+				],
+				'headers' => [
+					'Content-Type' => 'application/xml;charset=UTF-8',
+				],
+			]
+		);
+
+		$this->response = $this->client->send($request);
+
+		if($this->response->getStatusCode() !== 201) {
+			throw new \Exception(
+				sprintf(
+					'Expected %s got %s',
+					201,
+					$this->response->getStatusCode()
+				)
+			);
+		}
+	}
+
+	/**
+	 * @When Exporting the picture of contact :fileName from addressbook :addressBook as user :user
+	 */
+	public function whenExportingThePictureOfContactFromAddressbookAsUser($fileName, $addressBook, $user)  {
+		$davUrl = $this->baseUrl . '/remote.php/dav/addressbooks/users/'.$user.'/'.$addressBook . '/' . $fileName . '?photo=true';
+		$password = ($user === 'admin') ? 'admin' : '123456';
+
+		try {
+			$request = $this->client->createRequest(
+				'GET',
+				$davUrl,
+				[
+					'auth' => [
+						$user,
+						$password,
+					],
+					'headers' => [
+						'Content-Type' => 'application/xml;charset=UTF-8',
+					],
+				]
+			);
+			$this->response = $this->client->send($request);
+		} catch (\GuzzleHttp\Exception\ClientException $e) {
+			$this->response = $e->getResponse();
+		}
+	}
+
+	/**
+	 * @When Downloading the contact :fileName from addressbook :addressBook as user :user
+	 */
+	public function whenDownloadingTheContactFromAddressbookAsUser($fileName, $addressBook, $user)  {
+		$davUrl = $this->baseUrl . '/remote.php/dav/addressbooks/users/'.$user.'/'.$addressBook . '/' . $fileName;
+		$password = ($user === 'admin') ? 'admin' : '123456';
+
+		try {
+			$request = $this->client->createRequest(
+				'GET',
+				$davUrl,
+				[
+					'auth' => [
+						$user,
+						$password,
+					],
+					'headers' => [
+						'Content-Type' => 'application/xml;charset=UTF-8',
+					],
+				]
+			);
+			$this->response = $this->client->send($request);
+		} catch (\GuzzleHttp\Exception\ClientException $e) {
+				$this->response = $e->getResponse();
+		}
+	}
+
+	/**
+	 * @Then The following HTTP headers should be set
+	 * @param \Behat\Gherkin\Node\TableNode $table
+	 * @throws \Exception
+	 */
+	public function theFollowingHttpHeadersShouldBeSet(\Behat\Gherkin\Node\TableNode $table) {
+		foreach($table->getTable() as $header) {
+			$headerName = $header[0];
+			$expectedHeaderValue = $header[1];
+			$returnedHeader = $this->response->getHeader($headerName);
+			if($returnedHeader !== $expectedHeaderValue) {
+				throw new \Exception(
+					sprintf(
+						"Expected value '%s' for header '%s', got '%s'",
+						$expectedHeaderValue,
+						$headerName,
+						$returnedHeader
+					)
+				);
+			}
+		}
+	}
 }
diff --git a/build/integration/features/carddav.feature b/build/integration/features/carddav.feature
@@ -21,3 +21,33 @@ Feature: carddav
   Scenario: Creating a new addressbook
     When "admin" creates an addressbook named "MyAddressbook" with statuscode "201"
     Then "admin" requests addressbook "admin/MyAddressbook" with statuscode "200"
+
+  Scenario: Accessing ones own contact
+    Given "admin" creates an addressbook named "MyAddressbook" with statuscode "201"
+    Given "admin" uploads the contact "bjoern.vcf" to the addressbook "MyAddressbook"
+    When Downloading the contact "bjoern.vcf" from addressbook "MyAddressbook" as user "admin"
+    Then The following HTTP headers should be set
+        |Content-Disposition|attachment; filename*=UTF-8''bjoern.vcf; filename="bjoern.vcf"|
+        |Content-Type|text/vcard; charset=utf-8|
+        |Content-Security-Policy|default-src 'none';|
+        |X-Content-Type-Options |nosniff|
+        |X-Download-Options|noopen|
+        |X-Frame-Options|Sameorigin|
+        |X-Permitted-Cross-Domain-Policies|none|
+        |X-Robots-Tag|none|
+        |X-XSS-Protection|1; mode=block|
+
+  Scenario: Exporting the picture of ones own contact
+    Given "admin" creates an addressbook named "MyAddressbook" with statuscode "201"
+    Given "admin" uploads the contact "bjoern.vcf" to the addressbook "MyAddressbook"
+    When Exporting the picture of contact "bjoern.vcf" from addressbook "MyAddressbook" as user "admin"
+    Then The following HTTP headers should be set
+      |Content-Disposition|attachment|
+      |Content-Type|image/jpeg|
+      |Content-Security-Policy|default-src 'none';|
+      |X-Content-Type-Options |nosniff|
+      |X-Download-Options|noopen|
+      |X-Frame-Options|Sameorigin|
+      |X-Permitted-Cross-Domain-Policies|none|
+      |X-Robots-Tag|none|
+      |X-XSS-Protection|1; mode=block|