/// 3. Taiin e yek file az DB ke mantnash estekhraj nashode ast.
/// 4. Estekhraj e matn e file.
/// 5. Zakhire ye matn e estekhraj shode dar DB (movaffagh ya Na movaffagh)
public static void ExtractOneDocument(Guid applicationId, ref bool notExist)
{
//Taiin e yek file az DB ke mantnash estekhraj nashode ast.
DocFileInfo file = DocumentsController.get_not_extracted_files(applicationId,
"pdf,doc,docx,xlsx,ppt,pptx,txt,xml,htm,html", ',', 1).FirstOrDefault();
if (file == null || !file.FileID.HasValue)
{
notExist = true;
return;
}
// vojoode file dar folder ha
file.refresh_folder_name();
bool find = file.exists(applicationId);
//estekhraje mant e file ba farakhani method e "ExtractFileContent"
string content = string.Empty;
bool NotExtractable = false;
double duration = 0;
string errorText = string.Empty;
if (find)
{
DateTime dtBegin = DateTime.Now;
content = FileContentExtractor.ExtractFileContent(applicationId, file, ref errorText);
duration = DateTime.Now.Subtract(dtBegin).TotalMilliseconds;
}
if (!find)
{
find = false;
}
else if (string.IsNullOrEmpty(content))
{
NotExtractable = true;
}
// Zakhire ye matn e estekhraj shode dar DB dar halate movaffagh boodan.
DocumentsController.save_file_content(applicationId,
file.FileID.Value, content, NotExtractable, !find, duration, errorText);
}
public void ProcessRequest(HttpContext context)
{
//Privacy Check: OK
paramsContainer = new ParamsContainer(context, nullTenantResponse: true);
if (!paramsContainer.ApplicationID.HasValue)
{
return;
}
string responseText = string.Empty;
string command = PublicMethods.parse_string(context.Request.Params["Command"], false);
if (string.IsNullOrEmpty(command))
{
return;
}
Guid currentUserId = paramsContainer.CurrentUserID.HasValue ? paramsContainer.CurrentUserID.Value : Guid.Empty;
Guid fileId = string.IsNullOrEmpty(context.Request.Params["FileID"]) ? Guid.Empty : Guid.Parse(context.Request.Params["FileID"]);
DocFileInfo file = DocumentsController.get_file(paramsContainer.Tenant.Id, fileId);
if (file == null)
{
paramsContainer.return_response(PublicConsts.BadRequestResponse);
return;
}
bool isTemporary =
PublicMethods.parse_string(HttpContext.Current.Request.Params["Category"], false).ToLower() == "temporary";
bool hasAccess = isTemporary || PublicMethods.is_system_admin(paramsContainer.Tenant.Id, currentUserId);
PrivacyObjectType pot = file.OwnerType == FileOwnerTypes.Node ? PrivacyObjectType.Node : PrivacyObjectType.None;
hasAccess = hasAccess || PrivacyController.check_access(paramsContainer.Tenant.Id,
paramsContainer.CurrentUserID, file.OwnerID.Value, pot, PermissionType.View);
if (!hasAccess && currentUserId != Guid.Empty &&
CNController.is_node(paramsContainer.Tenant.Id, file.OwnerID.Value))
{
bool isCreator = false, isContributor = false, isExpert = false, isMember = false, isAdminMember = false,
isServiceAdmin = false, isAreaAdmin = false, perCreatorLevel = false;
CNController.get_user2node_status(paramsContainer.Tenant.Id, paramsContainer.CurrentUserID.Value,
file.OwnerID.Value, ref isCreator, ref isContributor, ref isExpert, ref isMember, ref isAdminMember,
ref isServiceAdmin, ref isAreaAdmin, ref perCreatorLevel);
hasAccess = isServiceAdmin || isAreaAdmin || isCreator || isContributor || isExpert || isMember;
}
if (!hasAccess)
{
paramsContainer.return_response("{\"ErrorText\":\"" + Messages.AccessDenied.ToString() + "\"}");
}
if (isTemporary)
{
file.FolderName = FolderNames.TemporaryFiles;
}
else
{
file.refresh_folder_name();
}
if (!file.exists(paramsContainer.Tenant.Id))
{
_return_response(ref responseText);
}
DocFileInfo destFile = new DocFileInfo()
{
FileID = file.FileID, FolderName = FolderNames.PDFImages
};
switch (command)
{
case "Convert2Image":
convert2image(file,
PublicMethods.parse_string(context.Request.Params["PS"]),
destFile,
PublicMethods.parse_bool(context.Request.Params["Repair"]), ref responseText);
_return_response(ref responseText);
return;
case "GetPagesCount":
get_pages_count(file,
PublicMethods.parse_string(context.Request.Params["PS"]),
destFile, ref responseText);
_return_response(ref responseText);
return;
case "GetPage":
get_page(PublicMethods.parse_int(context.Request.Params["Page"], 1), destFile);
return;
}
paramsContainer.return_response(PublicConsts.BadRequestResponse);
}
public override IList <IElement> End(IWorkerContext ctx, Tag tag, IList <IElement> currentContent)
{
IDictionary <string, string> attributes = tag.Attributes;
string src;
if (!attributes.TryGetValue(itsXmlHtml.HTML.Attribute.SRC, out src))
{
return(new List <IElement>(1));
}
if (string.IsNullOrEmpty(src))
{
return(new List <IElement>(1));
}
//convert url to base64 image
if (!src.StartsWith("data:image/", StringComparison.InvariantCultureIgnoreCase))
{
int index = src.ToLower().IndexOf("fileid=");
if (index >= 0)
{
string newSrc = src.Substring(index + "fileid=".Length);
if (newSrc.IndexOf("&") > 0)
{
newSrc = newSrc.Substring(0, newSrc.IndexOf("&"));
}
Guid? fileId = PublicMethods.parse_guid(newSrc);
DocFileInfo fi = DocumentsController.get_file(ApplicationID, fileId.Value);
if (fi != null)
{
fi.refresh_folder_name();
}
if (!fi.exists(ApplicationID))
{
try
{
System.Drawing.Image img = null;
using (MemoryStream stream = new MemoryStream(fi.toByteArray(ApplicationID)))
img = System.Drawing.Bitmap.FromStream(stream);
string strWidth = tag == null || tag.CSS == null || !tag.CSS.ContainsKey("width") ?
string.Empty : tag.CSS["width"];
string strHeight = tag == null || tag.CSS == null || !tag.CSS.ContainsKey("height") ?
string.Empty : tag.CSS["height"];
if (!string.IsNullOrEmpty(strWidth))
{
strWidth = strWidth.ToLower().Replace("px", "");
}
if (!string.IsNullOrEmpty(strHeight))
{
strHeight = strHeight.ToLower().Replace("px", "");
}
int width = 0, height = 0, maxWidth = 650, maxHeight = 900;
if (string.IsNullOrEmpty(strWidth) ||
!int.TryParse(strWidth, out width) || width < 0)
{
width = img.Width;
}
if (string.IsNullOrEmpty(strHeight) ||
!int.TryParse(strHeight, out height) || height < 0)
{
height = img.Height;
}
double coeff = Math.Min(width <= maxWidth ? 1 : (double)maxWidth / (double)width,
height <= maxHeight ? 1 : (double)maxHeight / (double)height);
width = (int)Math.Floor(coeff * (double)width);
height = (int)Math.Floor(coeff * (double)height);
if (width != img.Width || height != img.Height)
{
string msg = string.Empty;
if (RVGraphics.make_thumbnail(img, width, height, 0, 0, ref img, ref msg))
{
tag.CSS["width"] = (width = img.Width).ToString() + "px";
tag.CSS["height"] = (height = img.Height).ToString() + "px";
}
}
newSrc = PublicMethods.image_to_base64(img, System.Drawing.Imaging.ImageFormat.Png);
if (!string.IsNullOrEmpty(newSrc))
{
src = "data:image/png;base64," + newSrc;
}
}
catch { }
}
}
}
//end of convert url to base64 image
if (src.StartsWith("data:image/", StringComparison.InvariantCultureIgnoreCase))
{
// data:[<MIME-type>][;charset=<encoding>][;base64],<data>
var base64Data = src.Substring(src.IndexOf(",") + 1);
var imagedata = Convert.FromBase64String(base64Data);
var image = iTextSharp.text.Image.GetInstance(imagedata);
image.ScaleToFitLineWhenOverflow = true;
image.ScaleToFitHeight = false;
var list = new List <IElement>();
var htmlPipelineContext = GetHtmlPipelineContext(ctx);
IElement imgElement = GetCssAppliers().Apply(new Chunk((iTextSharp.text.Image)GetCssAppliers()
.Apply(image, tag, htmlPipelineContext), 0, 0, true), tag, htmlPipelineContext);
list.Add(imgElement);
return(list);
}
else
{
return(base.End(ctx, tag, currentContent));
}
}
public void ProcessRequest(HttpContext context)
{
//Privacy Check: OK
paramsContainer = new ParamsContainer(context, nullTenantResponse: false);
Guid fileId = string.IsNullOrEmpty(context.Request.Params["FileID"]) ?
Guid.Empty : Guid.Parse(context.Request.Params["FileID"]);
if (fileId == Guid.Empty && !Guid.TryParse(context.Request.Params["ATTFID"], out fileId))
{
fileId = Guid.Empty;
}
string category = PublicMethods.parse_string(context.Request.Params["Category"], false);
bool isTemporary = category.ToLower() == FolderNames.TemporaryFiles.ToString().ToLower();
bool? addFooter = PublicMethods.parse_bool(context.Request.Params["Meta"]);
Guid? coverId = PublicMethods.parse_guid(context.Request.Params["CoverID"]);
string pdfPassword = PublicMethods.parse_string(context.Request.Params["PS"]);
List <FolderNames> freeFolders = new[] {
FolderNames.ProfileImages,
FolderNames.HighQualityProfileImage,
FolderNames.CoverPhoto,
FolderNames.HighQualityCoverPhoto,
FolderNames.Icons,
FolderNames.HighQualityIcon,
FolderNames.ApplicationIcons,
FolderNames.HighQualityApplicationIcon,
FolderNames.Pictures
}.ToList();
bool isFreeFolder = !string.IsNullOrEmpty(category) && freeFolders.Any(f => f.ToString().ToLower() == category.ToLower());
if (isFreeFolder)
{
FolderNames fn = freeFolders.Where(u => u.ToString().ToLower() == category.ToLower()).FirstOrDefault();
DocFileInfo pic =
new DocFileInfo()
{
FileID = fileId, Extension = "jpg", FileName = fileId.ToString(), FolderName = fn
};
send_file(pic, false);
}
if (!paramsContainer.ApplicationID.HasValue)
{
paramsContainer.return_response(PublicConsts.NullTenantResponse);
return;
}
if (isTemporary)
{
string ext = PublicMethods.parse_string(context.Request.Params["Extension"]);
DocFileInfo temp = new DocFileInfo()
{
FileID = fileId,
Extension = ext,
FileName = fileId.ToString(),
FolderName = FolderNames.TemporaryFiles
};
send_file(temp, false);
}
else
{
DocFileInfo AttachFile = DocumentsController.get_file(paramsContainer.Tenant.Id, fileId);
if (AttachFile == null)
{
paramsContainer.return_response("{\"ErrorText\":\"" + Messages.AccessDenied + "\"}");
return;
}
PrivacyObjectType pot = AttachFile.OwnerType == FileOwnerTypes.Node ?
PrivacyObjectType.Node : PrivacyObjectType.None;
DocFileInfo ownerNode = !AttachFile.FileID.HasValue ? null :
DocumentsController.get_file_owner_node(paramsContainer.Tenant.Id, AttachFile.FileID.Value);
if (ownerNode != null)
{
AttachFile.OwnerNodeID = ownerNode.OwnerNodeID;
AttachFile.OwnerNodeName = ownerNode.OwnerNodeName;
AttachFile.OwnerNodeType = ownerNode.OwnerNodeType;
}
bool accessDenied =
!PrivacyController.check_access(paramsContainer.Tenant.Id,
paramsContainer.CurrentUserID, AttachFile.OwnerID.Value, pot, PermissionType.View) &&
!(
paramsContainer.CurrentUserID.HasValue &&
new CNAPI()
{
paramsContainer = this.paramsContainer
}
._is_admin(paramsContainer.Tenant.Id, AttachFile.OwnerID.Value,
paramsContainer.CurrentUserID.Value, CNAPI.AdminLevel.Creator, false)
);
if (accessDenied)
{
//Save Log
try
{
LogController.save_log(paramsContainer.Tenant.Id, new Log()
{
UserID = paramsContainer.CurrentUserID,
HostAddress = PublicMethods.get_client_ip(HttpContext.Current),
HostName = PublicMethods.get_client_host_name(HttpContext.Current),
Action = Modules.Log.Action.Download_AccessDenied,
SubjectID = fileId,
Info = "{\"Error\":\"" + Base64.encode(Messages.AccessDenied.ToString()) + "\"}",
ModuleIdentifier = ModuleIdentifier.DCT
});
}
catch { }
//end of Save Log
paramsContainer.return_response("{\"ErrorText\":\"" + Messages.AccessDenied + "\"}");
return;
}
AttachFile.refresh_folder_name();
string ext = AttachFile == null || string.IsNullOrEmpty(AttachFile.Extension) ? string.Empty :
AttachFile.Extension.ToLower();
bool isImage = ext == "jpg" || ext == "jpeg" || ext == "png" || ext == "gif" || ext == "bmp";
if (string.IsNullOrEmpty(AttachFile.Extension) || AttachFile.Extension.ToLower() != "pdf")
{
coverId = null;
}
bool dl = !isImage || PublicMethods.parse_bool(context.Request.Params["dl"], defaultValue: true) == true;
string contentType = !dl && isImage?PublicMethods.get_mime_type_by_extension(ext) : null;
send_file(AttachFile, !isImage, addPDFCover: true,
addPDFFooter: addFooter.HasValue && addFooter.Value,
coverId: coverId,
pdfPassword: pdfPassword,
contentType: contentType,
isAttachment: dl);
}
}