internal Boolean DecryptFile(
string inputFile,
string outputFile,
IEnumerable <string> userPasswords)
{
foreach (var pwd in userPasswords)
{
try
{
using (var reader = new PdfReader(inputFile, new ASCIIEncoding().GetBytes(pwd)))
{
reader.GetType().Field("encrypted").SetValue(reader, false);
using (var outStream = File.OpenWrite(outputFile))
{
using (var stamper = new PdfStamper(reader, outStream))
{
stamper.Close();
}
}
}
return(true);
}
catch (Exception ex)
{
Logger.ErrorFormat(ex, "Error trying to decrypt file {0}: {1}", inputFile, ex.Message);
}
}
return(false);
}
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);
}
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);
}
