diff --git a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java index 7b1a67007..c38f56754 100644 --- a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java +++ b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java @@ -43,14 +43,18 @@ package org.eclipse.jgit.lfs.server; import static java.nio.charset.StandardCharsets.UTF_8; -import static javax.servlet.http.HttpServletResponse.SC_OK; -import static javax.servlet.http.HttpServletResponse.SC_SERVICE_UNAVAILABLE; +import static org.apache.http.HttpStatus.SC_FORBIDDEN; +import static org.apache.http.HttpStatus.SC_NOT_FOUND; +import static org.apache.http.HttpStatus.SC_OK; +import static org.apache.http.HttpStatus.SC_SERVICE_UNAVAILABLE; +import static org.apache.http.HttpStatus.SC_UNPROCESSABLE_ENTITY; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; +import java.io.PrintWriter; import java.io.Reader; import java.io.Writer; import java.util.List; @@ -60,6 +64,11 @@ import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; +import org.eclipse.jgit.lfs.errors.LfsException; +import org.eclipse.jgit.lfs.errors.LfsRepositoryNotFound; +import org.eclipse.jgit.lfs.errors.LfsRepositoryReadOnly; +import org.eclipse.jgit.lfs.errors.LfsValidationError; + import com.google.gson.FieldNamingPolicy; import com.google.gson.Gson; import com.google.gson.GsonBuilder; @@ -80,7 +89,7 @@ public abstract class LfsProtocolServlet extends HttpServlet { private Gson gson = createGson(); /** - * Get the large file repository + * Get the large file repository for the given request and path. * * @param request * the request @@ -89,9 +98,10 @@ public abstract class LfsProtocolServlet extends HttpServlet { * * @return the large file repository storing large files or null if the * request is not supported. + * @throws LfsException */ protected abstract LargeFileRepository getLargeFileRepository( - LfsRequest request, String path); + LfsRequest request, String path) throws LfsException; /** LFS request. */ protected static class LfsRequest { @@ -119,7 +129,22 @@ protected void doPost(HttpServletRequest req, HttpServletResponse res) LfsRequest request = gson.fromJson(r, LfsRequest.class); String path = req.getPathInfo(); - LargeFileRepository repo = getLargeFileRepository(request, path); + LargeFileRepository repo = null; + try { + repo = getLargeFileRepository(request, path); + } catch (LfsValidationError e) { + sendError(res, SC_UNPROCESSABLE_ENTITY, e.getMessage()); + return; + } catch (LfsRepositoryNotFound e) { + sendError(res, SC_NOT_FOUND, e.getMessage()); + return; + } catch (LfsRepositoryReadOnly e) { + sendError(res, SC_FORBIDDEN, e.getMessage()); + return; + } catch (LfsException e) { + sendError(res, SC_SERVICE_UNAVAILABLE, e.getMessage()); + return; + } if (repo == null) { res.setStatus(SC_SERVICE_UNAVAILABLE); return; @@ -133,7 +158,25 @@ protected void doPost(HttpServletRequest req, HttpServletResponse res) w.flush(); } - private static Gson createGson() { + static class Error { + String message; + + Error(String m) { + this.message = m; + } + } + + private void sendError(HttpServletResponse rsp, int status, String message) + throws IOException { + rsp.setStatus(status); + PrintWriter writer = rsp.getWriter(); + gson.toJson(new Error(message), writer); + writer.flush(); + writer.close(); + rsp.flushBuffer(); + } + + private Gson createGson() { GsonBuilder gb = new GsonBuilder() .setFieldNamingPolicy( FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES) diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsException.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsException.java new file mode 100644 index 000000000..bd5c1eecc --- /dev/null +++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsException.java @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2016, David Pursehouse + * and other copyright owners as documented in the project's IP log. + * + * This program and the accompanying materials are made available + * under the terms of the Eclipse Distribution License v1.0 which + * accompanies this distribution, is reproduced below, and is + * available at http://www.eclipse.org/org/documents/edl-v10.php + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * - Neither the name of the Eclipse Foundation, Inc. nor the + * names of its contributors may be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package org.eclipse.jgit.lfs.errors; + +/** + * Thrown when an error occurs during LFS operation. + * + * @since 4.5 + */ +public class LfsException extends Exception { + private static final long serialVersionUID = 1L; + + /** + * @param message + */ + public LfsException(String message) { + super(message); + } +} diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryNotFound.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryNotFound.java new file mode 100644 index 000000000..021a100e6 --- /dev/null +++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryNotFound.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2016, David Pursehouse + * and other copyright owners as documented in the project's IP log. + * + * This program and the accompanying materials are made available + * under the terms of the Eclipse Distribution License v1.0 which + * accompanies this distribution, is reproduced below, and is + * available at http://www.eclipse.org/org/documents/edl-v10.php + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * - Neither the name of the Eclipse Foundation, Inc. nor the + * names of its contributors may be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package org.eclipse.jgit.lfs.errors; + +/** + * Thrown when the repository does not exist for the user. + * + * @since 4.5 + */ +public class LfsRepositoryNotFound extends LfsException { + private static final long serialVersionUID = 1L; + + /** + * @param name + * + */ + public LfsRepositoryNotFound(String name) { + super("repository " + name + " not found"); //$NON-NLS-1$ //$NON-NLS-2$ + } +} diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryReadOnly.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryReadOnly.java new file mode 100644 index 000000000..9de334d70 --- /dev/null +++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryReadOnly.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2016, David Pursehouse + * and other copyright owners as documented in the project's IP log. + * + * This program and the accompanying materials are made available + * under the terms of the Eclipse Distribution License v1.0 which + * accompanies this distribution, is reproduced below, and is + * available at http://www.eclipse.org/org/documents/edl-v10.php + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * - Neither the name of the Eclipse Foundation, Inc. nor the + * names of its contributors may be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package org.eclipse.jgit.lfs.errors; + +/** + * Thrown when the user has read, but not write access. Only applicable when the + * operation in the request is "upload". + * + * @since 4.5 + */ +public class LfsRepositoryReadOnly extends LfsException { + private static final long serialVersionUID = 1L; + + /** + * @param name + */ + public LfsRepositoryReadOnly(String name) { + super("repository " + name + "is read-only"); //$NON-NLS-1$ //$NON-NLS-2$ + } +} diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsValidationError.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsValidationError.java new file mode 100644 index 000000000..cc02e06c8 --- /dev/null +++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsValidationError.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2016, David Pursehouse + * and other copyright owners as documented in the project's IP log. + * + * This program and the accompanying materials are made available + * under the terms of the Eclipse Distribution License v1.0 which + * accompanies this distribution, is reproduced below, and is + * available at http://www.eclipse.org/org/documents/edl-v10.php + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * - Neither the name of the Eclipse Foundation, Inc. nor the + * names of its contributors may be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package org.eclipse.jgit.lfs.errors; + +/** + * Thrown when there is a validation error with one or more of the objects in + * the request. + * + * @since 4.5 + */ +public class LfsValidationError extends LfsException { + private static final long serialVersionUID = 1L; + + /** + * @param message + */ + public LfsValidationError(String message) { + super(message); + } +}