public string Download(BlobId blobId, string folder)
{
if (blobId == null)
{
throw new ArgumentNullException(nameof(blobId));
}
if (String.IsNullOrEmpty(folder))
{
throw new ArgumentNullException(nameof(folder));
}
if (!Directory.Exists(folder))
{
throw new ArgumentException($"folder {folder} does not exists", nameof(folder));
}
var descriptor = _mongodDbFileSystemBlobDescriptorStorage.FindOneById(blobId);
if (descriptor == null)
{
throw new ArgumentException($"Descriptor for {blobId} not found in {_mongodDbFileSystemBlobDescriptorStorage.GetType().Name}");
}
var localFileName = _directoryManager.GetFileNameFromBlobId(blobId, descriptor.FileNameWithExtension);
if (!File.Exists(localFileName))
{
Logger.Error($"Blob {blobId} has descriptor, but blob file {localFileName} not found in the system.");
throw new ArgumentException($"Blob {blobId} not found");
}
var originalFileName = descriptor.FileNameWithExtension.ToString();
string destinationFileName = Path.Combine(folder, originalFileName);
Int32 uniqueId = 1;
while (File.Exists(destinationFileName))
{
destinationFileName = Path.Combine(folder, Path.GetFileNameWithoutExtension(originalFileName) + $" ({uniqueId++})") + Path.GetExtension(originalFileName);
}
File.Copy(localFileName, destinationFileName);
if (Logger.IsDebugEnabled)
{
Logger.Debug($"Blob {blobId} downloaded in folder {folder} with name {destinationFileName}");
}
return(destinationFileName);
}
private Process GetLocalProcessForQueue(String queueId, String executableName)
{
var processFileName = Path.GetFileNameWithoutExtension(executableName);
var processes = Process.GetProcessesByName(processFileName, Environment.MachineName);
foreach (Process process in processes)
{
var cmdLine = GetCommandLine(process);
if (cmdLine.Contains("/queue:" + queueId))
{
return(process);
}
}
return(null);
}
protected async override Task <ProcessResult> OnPolling(PollerJobParameters parameters, string workingFolder)
{
var fileExtension = parameters.All[JobKeys.ThumbnailFormat];
ImageFormat format = GetFormatFromExtension(fileExtension);
var sizesAsString = parameters.All[JobKeys.Sizes];
var imageSizes = SizeInfoHelper.Deserialize(sizesAsString);
Logger.DebugFormat("Starting resize job for {0} - {1}", parameters.JobId, sizesAsString);
string pathToFile = await DownloadBlob(parameters.TenantId, parameters.JobId, parameters.FileName, workingFolder);
using (var sourceStream = File.OpenRead(pathToFile))
{
using (var pageStream = new MemoryStream())
{
sourceStream.CopyTo(pageStream);
foreach (var size in imageSizes)
{
Logger.DebugFormat("Resize job for {0} - {1}", parameters.JobId, size.Name);
pageStream.Seek(0, SeekOrigin.Begin);
var fileFormat = new Client.Model.DocumentFormat("thumb." + size.Name);
string resizeImagePath = Path.Combine(
workingFolder,
String.Format("{0}.{1}.{2}", Path.GetFileNameWithoutExtension(parameters.FileName), size.Name, fileExtension));
resizeImagePath = SanitizeFileNameForLength(resizeImagePath);
using (var outStream = File.OpenWrite(resizeImagePath))
{
Logger.DebugFormat("Resizing {0}", parameters.JobId);
ImageResizer.Shrink(pageStream, outStream, size.Width, size.Height, format);
}
await AddFormatToDocumentFromFile(
parameters.TenantId,
parameters.JobId,
fileFormat,
resizeImagePath, new Dictionary <string, object>());
}
}
}
Logger.DebugFormat("Ended resize job for {0} - {1}", parameters.JobId, sizesAsString);
return(ProcessResult.Ok);
}
private async Task <HttpResponseMessage> upload_file(string pathToFile, string documentHandle)
{
using (var stream = new FileStream(pathToFile, FileMode.Open))
{
var multipartFormDataContent = new MultipartFormDataContent("test")
{
{
new StreamContent(stream),
Path.GetFileNameWithoutExtension(pathToFile),
Path.GetFileName(pathToFile)
}
};
Controller.Request.Content = multipartFormDataContent;
return(await Controller.Upload(_tenantId, new DocumentHandle(documentHandle)));
}
}
public async Task <Boolean> Write(String workerFolder, PollerJobParameters parameters, String format, int pageIndex, Stream stream)
{
var rawFileName = Path.Combine(workerFolder, Path.GetFileNameWithoutExtension(parameters.FileName) + ".page_" + pageIndex + "." + format);
rawFileName = SanitizeFileNameForLength(rawFileName);
using (var outStream = File.OpenWrite(rawFileName))
{
stream.CopyTo(outStream);
}
await AddFormatToDocumentFromFile(
parameters.TenantId,
parameters.JobId,
new DocumentFormat(DocumentFormats.RasterImage),
rawFileName,
new Dictionary <string, object>()).ConfigureAwait(false);
return(true);
}
string DownloadLocalCopy(String jobId)
{
Logger.DebugFormat("Downloaded {0}", _inputFileName);
if (IsUnzippedHtmlFile())
{
return(_inputFileName);
}
var workingFolder = Path.GetDirectoryName(_inputFileName);
ZipFile.ExtractToDirectory(_inputFileName, workingFolder);
Logger.DebugFormat("Extracted zip to {0}", workingFolder);
var originalFileWithoutExtension = Path.GetFileNameWithoutExtension(_inputFileName);
var extractedFiles = Directory.GetFiles(workingFolder, "*.htm*");
String htmlFile = null;
if (extractedFiles.Length == 1)
{
htmlFile = extractedFiles[0];
}
else if (extractedFiles.Length > 1)
{
htmlFile = extractedFiles
.FirstOrDefault(f => Path.GetFileNameWithoutExtension(f).TrimEnd('.') == originalFileWithoutExtension) ??
extractedFiles[0];
}
if (htmlFile != null)
{
Logger.Debug($"Extracted html from {_inputFileName} is {htmlFile}");
return(htmlFile);
}
var msg = $"Html file not found for {jobId} {_inputFileName}";
Logger.Error(msg);
throw new Exception(msg);
}
public FileNameWithExtension(string fileNameWithExtension)
{
if (String.IsNullOrWhiteSpace(fileNameWithExtension))
{
throw new ArgumentNullException("fileNameWithExtension");
}
fileNameWithExtension = fileNameWithExtension.Replace("\"", "");
FileName = Path.GetFileNameWithoutExtension(fileNameWithExtension);
Extension = Path.GetExtension(fileNameWithExtension);
if (fileNameWithExtension.StartsWith("."))
{
FileName = fileNameWithExtension;
Extension = "";
}
if (!String.IsNullOrWhiteSpace(Extension))
{
Extension = Extension.Remove(0, 1).ToLowerInvariant();
}
}
public string Convert(String jobId, string pathToEml, string workingFolder)
{
Logger.DebugFormat("Coverting {0} in working folder {1}", pathToEml, workingFolder);
var reader = new Reader();
var outFolder = Path.Combine(workingFolder, jobId);
Logger.DebugFormat("Creating message working folder is {0}", outFolder);
Directory.CreateDirectory(outFolder);
Logger.Debug("Extracting files");
var files = reader.ExtractToFolder(pathToEml, outFolder);
if (Logger.IsDebugEnabled)
{
foreach (var file in files)
{
Logger.DebugFormat("\t{0}", Path.GetFileName(file));
}
Logger.DebugFormat("Total files {0}", files.Length);
}
var htmlFileName = files.FirstOrDefault(x => x.EndsWith(".htm", StringComparison.OrdinalIgnoreCase)) ??
files.FirstOrDefault(x => x.EndsWith(".html", StringComparison.OrdinalIgnoreCase));
if (htmlFileName == null)
{
var textFile = files.FirstOrDefault(x => x.EndsWith(".txt", StringComparison.OrdinalIgnoreCase));
if (textFile != null)
{
htmlFileName = textFile + ".html";
var textcontent = File.ReadAllText(textFile);
File.WriteAllText(htmlFileName, String.Format("<html><body><pre>{0}</pre></body></html>", textcontent));
}
else
{
htmlFileName = "contentmissing.html";
File.WriteAllText(htmlFileName, "<html>No content found in mail.</html>");
}
}
var htmlNameWithoutExtension = Path.GetFileNameWithoutExtension(htmlFileName);
var htmlContent = File.ReadAllText(htmlFileName);
var dirInfoFullName = new DirectoryInfo(outFolder).FullName;
htmlContent = Regex.Replace(
htmlContent,
@"src=""(?<src>.+?)""",
new MatchEvaluator((m) => NormalizeImgEvaluator(m, dirInfoFullName)),
RegexOptions.IgnoreCase);
File.WriteAllText(htmlFileName, htmlContent);
var pathToZip = Path.Combine(workingFolder, htmlNameWithoutExtension + ".ezip");
Logger.DebugFormat("New zip file is {0}", pathToZip);
if (File.Exists(pathToZip))
{
Logger.DebugFormat("Deleting previous file: {0}", pathToZip);
File.Delete(pathToZip);
}
Logger.DebugFormat("Creating new file: {0}", pathToZip);
ZipFile.CreateFromDirectory(outFolder, pathToZip);
Logger.DebugFormat("Deleting message working folder", outFolder);
Directory.Delete(outFolder, true);
Logger.DebugFormat(
"Convesion done {0} => {1}",
pathToEml,
pathToZip
);
return(pathToZip);
}
public async Task <Boolean> Run(
String pathToFile,
CreatePdfImageTaskParams createPdfImageTaskParams,
Func <int, Stream, Task <Boolean> > pageWriter)
{
String tempFileName = null;
if (Passwords.Count > 0)
{
tempFileName =
Path.Combine(Path.GetDirectoryName(pathToFile),
Path.GetFileNameWithoutExtension(pathToFile) + "_decrypted.pdf");
if (Decryptor.DecryptFile(pathToFile, tempFileName, Passwords))
{
pathToFile = tempFileName;
}
}
using (var sourceStream = File.OpenRead(pathToFile))
{
var settings = new MagickReadSettings
{
Density = new PointD(createPdfImageTaskParams.Dpi, createPdfImageTaskParams.Dpi)
};
settings.FrameIndex = 0; // First page
settings.FrameCount = 1; // Number of pages
MagickFormat imageFormat = TranslateFormat(createPdfImageTaskParams.Format);
Logger.DebugFormat("Image format is {0}", imageFormat.ToString());
using (var images = new MagickImageCollection())
{
bool done = false;
if (!_firstDone)
{
lock (LockForInitializationIssue)
{
if (!_firstDone)
{
images.Read(sourceStream, settings);
done = true;
}
}
}
if (!done)
{
images.Read(sourceStream, settings);
}
var lastImage =
Math.Min(createPdfImageTaskParams.FromPage - 1 + createPdfImageTaskParams.Pages, images.Count) -
1;
for (int page = createPdfImageTaskParams.FromPage - 1; page <= lastImage; page++)
{
var image = images[page];
image.Format = imageFormat;
using (var ms = new MemoryStream())
{
image.Write(ms);
ms.Seek(0L, SeekOrigin.Begin);
await pageWriter(page + 1, ms).ConfigureAwait(false);
}
}
}
}
if (!String.IsNullOrEmpty(tempFileName) && File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
return(true);
}
protected async override Task <ProcessResult> OnPolling(
PollerJobParameters parameters,
String workingFolder)
{
Boolean result;
var contentFileName = Path.ChangeExtension(parameters.FileName, ".content");
if (!_formats.Contains(parameters.FileExtension))
{
Logger.DebugFormat("Document for job Id {0} has an extension not supported, setting null content", parameters.JobId);
return(new ProcessResult(await AddNullContentFormat(parameters, contentFileName)));
}
Logger.DebugFormat("Starting tika on job: {0}, file extension {1}", parameters.JobId, parameters.FileExtension);
Logger.DebugFormat("Downloading blob for job: {0}, on local path {1}", parameters.JobId, workingFolder);
string pathToFile = await DownloadBlob(parameters.TenantId, parameters.JobId, parameters.FileName, workingFolder);
pathToFile = ProcessFile(pathToFile, workingFolder);
Boolean shouldAnalyze = _filterManager.ShouldAnalyze(parameters.FileName, pathToFile);
if (!shouldAnalyze)
{
Logger.InfoFormat("File {0} for job {1} was discharded!", parameters.FileName, parameters.JobId);
return(new ProcessResult(await AddNullContentFormat(parameters, contentFileName)));
}
Logger.DebugFormat("Search for password JobId:{0}", parameters.JobId);
var passwords = ClientPasswordSet.GetPasswordFor(parameters.FileName).ToArray();
String content = "";
Int32 analyzerOrdinal = 0;
Boolean success = false;
var analyzer = BuildAnalyzer(analyzerOrdinal);
do
{
try
{
if (passwords.Any())
{
//Try with all the password
foreach (var password in passwords)
{
try
{
content = analyzer.GetHtmlContent(pathToFile, password) ?? "";
break; //first password that can decrypt file break the list of password to try
}
catch (Exception)
{
Logger.ErrorFormat("Error opening file {0} with password", parameters.FileName);
}
}
}
else
{
//Simply analyze file without password
Logger.DebugFormat("Analyze content JobId: {0} -> Path: {1}", parameters.JobId, pathToFile);
content = analyzer.GetHtmlContent(pathToFile, "") ?? "";
}
success = true;
}
catch (Exception ex)
{
Logger.ErrorFormat(ex, "Error extracting tika with analyzer {0} on file {1}", analyzer.Describe(), parameters.FileName, parameters.JobId);
analyzer = BuildAnalyzer(++analyzerOrdinal);
if (analyzer != null)
{
Logger.InfoFormat("Retry job {0} with analyzer {1}", parameters.JobId, analyzer.Describe());
}
}
} while (analyzer != null && success == false);
Logger.DebugFormat("Finished tika on job: {0}, charsNum {1}", parameters.JobId, content.Count());
String sanitizedContent = content;
if (!string.IsNullOrWhiteSpace(content))
{
var resultContent = _builder.CreateFromTikaPlain(content);
var documentContent = resultContent.Content;
sanitizedContent = resultContent.SanitizedTikaContent;
var pages = documentContent.Pages.Count();
string lang = null;
if (pages > 1)
{
lang = LanguageDetector.GetLanguage(documentContent.Pages[1].Content);
}
if (lang == null && pages == 1)
{
lang = LanguageDetector.GetLanguage(documentContent.Pages[0].Content);
}
if (lang != null)
{
documentContent.AddMetadata(DocumentContent.MedatataLanguage, lang);
}
result = await AddFormatToDocumentFromObject(
parameters.TenantId,
this.QueueName,
parameters.JobId,
new DocumentFormat(DocumentFormats.Content),
documentContent,
contentFileName,
new Dictionary <string, object>());
Logger.DebugFormat("Added format {0} to jobId {1}, result: {2}", DocumentFormats.Content, parameters.JobId, result);
}
var tikaFileName = Path.Combine(workingFolder, Path.GetFileNameWithoutExtension(parameters.FileName) + ".tika.html");
tikaFileName = SanitizeFileNameForLength(tikaFileName);
File.WriteAllText(tikaFileName, sanitizedContent);
result = await AddFormatToDocumentFromFile(
parameters.TenantId,
parameters.JobId,
new DocumentFormat(DocumentFormats.Tika),
tikaFileName,
new Dictionary <string, object>());
Logger.DebugFormat("Added format {0} to jobId {1}, result: {2}", DocumentFormats.Tika, parameters.JobId, result);
return(ProcessResult.Ok);
}
