LfsProtocolServlet: Pass HTTP Authorization header to getLargeFileRepository

This allows implementations to reject operations that do not
include proper authentication.

Change-Id: If301476d8fb56a0899e424be3789c7576097d185
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java

@@ -54,6 +54,7 @@ import static org.apache.http.HttpStatus.SC_UNPROCESSABLE_ENTITY;
 import static org.eclipse.jgit.lfs.lib.Constants.DOWNLOAD;
 import static org.eclipse.jgit.lfs.lib.Constants.UPLOAD;
 import static org.eclipse.jgit.lfs.lib.Constants.VERIFY;
+import static org.eclipse.jgit.util.HttpSupport.HDR_AUTHORIZATION;
 
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
@@ -143,9 +144,54 @@ public abstract class LfsProtocolServlet extends HttpServlet {
 	 *             <dd>when an unexpected internal server error occurred</dd>
 	 *             </dl>
 	 * @since 4.5
+	 * @deprecated use
+	 *             {@link #getLargeFileRepository(LfsRequest, String, String)}
+	 */
+	@Deprecated
+	protected LargeFileRepository getLargeFileRepository(LfsRequest request,
+			String path) throws LfsException {
+		return getLargeFileRepository(request, path, null);
+	}
+
+	/**
+	 * Get the large file repository for the given request and path.
+	 *
+	 * @param request
+	 *            the request
+	 * @param path
+	 *            the path
+	 * @param auth
+	 *            the Authorization HTTP header
+	 *
+	 * @return the large file repository storing large files.
+	 * @throws LfsException
+	 *             implementations should throw more specific exceptions to
+	 *             signal which type of error occurred:
+	 *             <dl>
+	 *             <dt>{@link LfsValidationError}</dt>
+	 *             <dd>when there is a validation error with one or more of the
+	 *             objects in the request</dd>
+	 *             <dt>{@link LfsRepositoryNotFound}</dt>
+	 *             <dd>when the repository does not exist for the user</dd>
+	 *             <dt>{@link LfsRepositoryReadOnly}</dt>
+	 *             <dd>when the user has read, but not write access. Only
+	 *             applicable when the operation in the request is "upload"</dd>
+	 *             <dt>{@link LfsRateLimitExceeded}</dt>
+	 *             <dd>when the user has hit a rate limit with the server</dd>
+	 *             <dt>{@link LfsBandwidthLimitExceeded}</dt>
+	 *             <dd>when the bandwidth limit for the user or repository has
+	 *             been exceeded</dd>
+	 *             <dt>{@link LfsInsufficientStorage}</dt>
+	 *             <dd>when there is insufficient storage on the server</dd>
+	 *             <dt>{@link LfsUnavailable}</dt>
+	 *             <dd>when LFS is not available</dd>
+	 *             <dt>{@link LfsException}</dt>
+	 *             <dd>when an unexpected internal server error occurred</dd>
+	 *             </dl>
+	 * @since 4.7
 	 */
 	protected abstract LargeFileRepository getLargeFileRepository(
-			LfsRequest request, String path) throws LfsException;
+			LfsRequest request, String path, String auth) throws LfsException;
 
 	/**
 	 * LFS request.
@@ -214,7 +260,8 @@ public abstract class LfsProtocolServlet extends HttpServlet {
 		res.setContentType(CONTENTTYPE_VND_GIT_LFS_JSON);
 		LargeFileRepository repo = null;
 		try {
-			repo = getLargeFileRepository(request, path);
+			repo = getLargeFileRepository(request, path,
+					req.getHeader(HDR_AUTHORIZATION));
 			if (repo == null) {
 				String error = MessageFormat
 						.format(LfsText.get().lfsFailedToGetRepository, path);

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/LfsStore.java

@@ -255,7 +255,7 @@ class LfsStore extends TextBuiltin {
 
 			@Override
 			protected LargeFileRepository getLargeFileRepository(
-					LfsRequest request, String path) {
+					LfsRequest request, String path, String auth) {
 				return repository;
 			}
 		};