Exemplo n.º 1
0
        public HttpResponseMessage Get(string name)
        {
            name = RavenFileNameHelper.RavenPath(name);
            FileAndPagesInformation fileAndPages = null;

            try
            {
                Storage.Batch(accessor => fileAndPages = accessor.GetFile(name, 0, 0));
            }
            catch (FileNotFoundException)
            {
                log.Debug("File '{0}' was not found", name);
                throw new HttpResponseException(HttpStatusCode.NotFound);
            }

            if (fileAndPages.Metadata.Keys.Contains(SynchronizationConstants.RavenDeleteMarker))
            {
                log.Debug("File '{0}' is not accessible to get (Raven-Delete-Marker set)", name);
                throw new HttpResponseException(HttpStatusCode.NotFound);
            }

            var readingStream = StorageStream.Reading(Storage, name);
            var result        = StreamResult(name, readingStream);

            var etag = new Etag(fileAndPages.Metadata.Value <string>(Constants.MetadataEtagField));

            fileAndPages.Metadata.Remove(Constants.MetadataEtagField);
            WriteHeaders(fileAndPages.Metadata, etag, result);

            return(result.WithNoCache());
        }
Exemplo n.º 2
0
        public HttpResponseMessage Delete(string name)
        {
            name = RavenFileNameHelper.RavenPath(name);

            try
            {
                ConcurrencyAwareExecutor.Execute(() => Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);

                    var fileAndPages = accessor.GetFile(name, 0, 0);

                    var metadata = fileAndPages.Metadata;

                    if (metadata.Keys.Contains(SynchronizationConstants.RavenDeleteMarker))
                    {
                        throw new FileNotFoundException();
                    }

                    StorageOperationsTask.IndicateFileToDelete(name);

                    if (!name.EndsWith(RavenFileNameHelper.DownloadingFileSuffix) &&
                        // don't create a tombstone for .downloading file
                        metadata != null)                             // and if file didn't exist
                    {
                        var tombstoneMetadata = new RavenJObject
                        {
                            {
                                SynchronizationConstants.RavenSynchronizationHistory, metadata[SynchronizationConstants.RavenSynchronizationHistory]
                            },
                            {
                                SynchronizationConstants.RavenSynchronizationVersion, metadata[SynchronizationConstants.RavenSynchronizationVersion]
                            },
                            {
                                SynchronizationConstants.RavenSynchronizationSource, metadata[SynchronizationConstants.RavenSynchronizationSource]
                            }
                        }.WithDeleteMarker();

                        Historian.UpdateLastModified(tombstoneMetadata);

                        accessor.PutFile(name, 0, tombstoneMetadata, true);
                        accessor.DeleteConfig(RavenFileNameHelper.ConflictConfigNameForFile(name));
                        // delete conflict item too
                    }
                }), ConcurrencyResponseException);
            }
            catch (FileNotFoundException)
            {
                return(new HttpResponseMessage(HttpStatusCode.NotFound));
            }

            Publisher.Publish(new FileChangeNotification {
                File = FilePathTools.Cannoicalise(name), Action = FileChangeAction.Delete
            });
            log.Debug("File '{0}' was deleted", name);

            StartSynchronizeDestinationsInBackground();

            return(GetEmptyMessage(HttpStatusCode.NoContent));
        }
Exemplo n.º 3
0
        public HttpResponseMessage Head(string name)
        {
            name = RavenFileNameHelper.RavenPath(name);
            FileAndPagesInformation fileAndPages = null;

            try
            {
                Storage.Batch(accessor => fileAndPages = accessor.GetFile(name, 0, 0));
            }
            catch (FileNotFoundException)
            {
                log.Debug("Cannot get metadata of a file '{0}' because file was not found", name);
                return(new HttpResponseMessage(HttpStatusCode.NotFound));
            }

            if (fileAndPages.Metadata.Keys.Contains(SynchronizationConstants.RavenDeleteMarker))
            {
                log.Debug("Cannot get metadata of a file '{0}' because file was deleted", name);
                return(new HttpResponseMessage(HttpStatusCode.NotFound));
            }



            var httpResponseMessage = GetEmptyMessage();

            var etag = new Etag(fileAndPages.Metadata.Value <string>(Constants.MetadataEtagField));

            fileAndPages.Metadata.Remove(Constants.MetadataEtagField);

            WriteHeaders(fileAndPages.Metadata, etag, httpResponseMessage);

            return(httpResponseMessage);
        }
Exemplo n.º 4
0
        public void Should_be_leading_slash_if_file_is_contained_in_subdirectory()
        {
            var filename = "documents/files/file.bin";

            Assert.Equal("/documents/files/file.bin", RavenFileNameHelper.RavenPath(filename));

            filename = "/documents/files/file.bin";

            Assert.Equal("/documents/files/file.bin", RavenFileNameHelper.RavenPath(filename));
        }
Exemplo n.º 5
0
        public void Should_not_be_leading_slash_if_file_exists_in_main_directory()
        {
            var filename = "file.bin";

            Assert.Equal("file.bin", RavenFileNameHelper.RavenPath(filename));

            filename = "/file.bin";

            Assert.Equal("file.bin", RavenFileNameHelper.RavenPath(filename));
        }
Exemplo n.º 6
0
        public HttpResponseMessage Patch(string name, string rename)
        {
            name   = RavenFileNameHelper.RavenPath(name);
            rename = RavenFileNameHelper.RavenPath(rename);

            try
            {
                ConcurrencyAwareExecutor.Execute(() =>
                                                 Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);

                    var metadata = accessor.GetFile(name, 0, 0).Metadata;
                    if (metadata.Keys.Contains(SynchronizationConstants.RavenDeleteMarker))
                    {
                        throw new FileNotFoundException();
                    }

                    var existingHeader = accessor.ReadFile(rename);
                    if (existingHeader != null && !existingHeader.Metadata.ContainsKey(SynchronizationConstants.RavenDeleteMarker))
                    {
                        throw new HttpResponseException(
                            Request.CreateResponse(HttpStatusCode.Forbidden,
                                                   new InvalidOperationException("Cannot rename because file " + rename + " already exists")));
                    }

                    Historian.UpdateLastModified(metadata);

                    var operation = new RenameFileOperation
                    {
                        FileSystem             = FileSystem.Name,
                        Name                   = name,
                        Rename                 = rename,
                        MetadataAfterOperation = metadata
                    };

                    accessor.SetConfig(RavenFileNameHelper.RenameOperationConfigNameForFile(name), JsonExtensions.ToJObject(operation));
                    accessor.PulseTransaction();     // commit rename operation config

                    StorageOperationsTask.RenameFile(operation);
                }), ConcurrencyResponseException);
            }
            catch (FileNotFoundException)
            {
                log.Debug("Cannot rename a file '{0}' to '{1}' because a file was not found", name, rename);
                return(GetEmptyMessage(HttpStatusCode.NotFound));
            }

            log.Debug("File '{0}' was renamed to '{1}'", name, rename);

            StartSynchronizeDestinationsInBackground();

            return(GetMessageWithString("", HttpStatusCode.NoContent));
        }
Exemplo n.º 7
0
        public HttpResponseMessage Metadata([FromUri] string[] fileNames)
        {
            if (fileNames == null || fileNames.Length == 0)
            {
                log.Debug("'fileNames' parameter should have a value.");
                return(GetEmptyMessage(HttpStatusCode.BadRequest));
            }

            var ravenPaths = fileNames.Where(x => x != null).Select(x => RavenFileNameHelper.RavenPath(x));

            var list = new List <FileHeader>();

            Storage.Batch(accessor => list.AddRange(ravenPaths.Select(accessor.ReadFile).Where(x => x != null)));

            return(this.GetMessageWithObject(list, HttpStatusCode.OK)
                   .WithNoCache());
        }
Exemplo n.º 8
0
        public HttpResponseMessage Post(string name)
        {
            name = RavenFileNameHelper.RavenPath(name);

            var headers = this.GetFilteredMetadataFromHeaders(InnerHeaders);

            Historian.UpdateLastModified(headers);
            Historian.Update(name, headers);

            try
            {
                ConcurrencyAwareExecutor.Execute(() =>
                                                 Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);
                    accessor.UpdateFileMetadata(name, headers);
                }), ConcurrencyResponseException);
            }
            catch (FileNotFoundException)
            {
                log.Debug("Cannot update metadata because file '{0}' was not found", name);
                return(GetEmptyMessage(HttpStatusCode.NotFound));
            }

            Search.Index(name, headers);

            Publisher.Publish(new FileChangeNotification {
                File = FilePathTools.Cannoicalise(name), Action = FileChangeAction.Update
            });

            StartSynchronizeDestinationsInBackground();

            log.Debug("Metadata of a file '{0}' was updated", name);

            //Hack needed by jquery on the client side. We need to find a better solution for this
            return(GetEmptyMessage(HttpStatusCode.NoContent));
        }
Exemplo n.º 9
0
        public async Task <HttpResponseMessage> Put(string name, string uploadId = null)
        {
            try
            {
                FileSystem.MetricsCounters.FilesPerSecond.Mark();

                name = RavenFileNameHelper.RavenPath(name);

                var headers = this.GetFilteredMetadataFromHeaders(InnerHeaders);

                Historian.UpdateLastModified(headers);
                headers["Creation-Date"] = DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffffff", CultureInfo.InvariantCulture);
                Historian.Update(name, headers);

                SynchronizationTask.Cancel(name);

                long?size = -1;
                ConcurrencyAwareExecutor.Execute(() => Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);
                    StorageOperationsTask.IndicateFileToDelete(name);

                    var contentLength = Request.Content.Headers.ContentLength;
                    var sizeHeader    = GetHeader("RavenFS-size");

                    long sizeForParse;
                    if (contentLength == 0 || long.TryParse(sizeHeader, out sizeForParse) == false)
                    {
                        size = contentLength;
                        if (Request.Headers.TransferEncodingChunked ?? false)
                        {
                            size = null;
                        }
                    }
                    else
                    {
                        size = sizeForParse;
                    }

                    accessor.PutFile(name, size, headers);

                    Search.Index(name, headers);
                }));

                log.Debug("Inserted a new file '{0}' with ETag {1}", name, headers.Value <Guid>(Constants.MetadataEtagField));

                using (var contentStream = await Request.Content.ReadAsStreamAsync())
                    using (var readFileToDatabase = new ReadFileToDatabase(BufferPool, Storage, contentStream, name))
                    {
                        await readFileToDatabase.Execute();

                        if (readFileToDatabase.TotalSizeRead != size)
                        {
                            Storage.Batch(accessor => { StorageOperationsTask.IndicateFileToDelete(name); });
                            throw new HttpResponseException(HttpStatusCode.BadRequest);
                        }

                        Historian.UpdateLastModified(headers); // update with the final file size

                        log.Debug("File '{0}' was uploaded. Starting to update file metadata and indexes", name);

                        headers["Content-MD5"] = readFileToDatabase.FileHash;

                        Storage.Batch(accessor => accessor.UpdateFileMetadata(name, headers));

                        int totalSizeRead = readFileToDatabase.TotalSizeRead;
                        headers["Content-Length"] = totalSizeRead.ToString(CultureInfo.InvariantCulture);

                        Search.Index(name, headers);
                        Publisher.Publish(new FileChangeNotification {
                            Action = FileChangeAction.Add, File = FilePathTools.Cannoicalise(name)
                        });

                        log.Debug("Updates of '{0}' metadata and indexes were finished. New file ETag is {1}", name, headers.Value <Guid>(Constants.MetadataEtagField));

                        StartSynchronizeDestinationsInBackground();
                    }
            }
            catch (Exception ex)
            {
                if (uploadId != null)
                {
                    Guid uploadIdentifier;
                    if (Guid.TryParse(uploadId, out uploadIdentifier))
                    {
                        Publisher.Publish(new CancellationNotification {
                            UploadId = uploadIdentifier, File = name
                        });
                    }
                }

                log.WarnException(string.Format("Failed to upload a file '{0}'", name), ex);

                var concurrencyException = ex as ConcurrencyException;
                if (concurrencyException != null)
                {
                    throw ConcurrencyResponseException(concurrencyException);
                }

                throw;
            }

            return(GetEmptyMessage(HttpStatusCode.Created));
        }