Пример #1
0
        public static byte[] export_as_pdf(Guid applicationId, Guid?currentUserId, bool isUser, DownloadedFileMeta meta,
                                           string title, string description, List <string> keywords, List <KeyValuePair <Guid, string> > wikiTitles,
                                           Dictionary <Guid, List <KeyValuePair <string, string> > > wikiParagraphs, Dictionary <string, string> metaData,
                                           List <string> authors, Guid?coverId, Guid?coverOwnerNodeId, string password, HttpContext context)
        {
            bool hasCustomCover = coverId.HasValue && coverOwnerNodeId.HasValue && currentUserId.HasValue;

            List <WikiPDFText> wikiCover = hasCustomCover ? new List <WikiPDFText>() :
                                           get_default_cover(applicationId, isUser, title, metaData, authors);

            string strKeywords = string.Join(" - ", keywords);

            WikiPDFText wikiTitle = new WikiPDFText(applicationId,
                                                    @"<br><br><p style='text-align:center;'><strong><span style='color:DarkSlateGray;'>" + title + "</span></strong></p><br><br>");
            List <WikiPDFText> wikiDesc = convert_div_to_p(applicationId, new List <WikiPDFText>()
            {
                new WikiPDFText(applicationId,
                                string.IsNullOrEmpty(description) ? "" : @"<br><p class='NodeAbs'>" + description + "</p><br>")
            });
            WikiPDFText wikiKeywords = new WikiPDFText(applicationId,
                                                       string.IsNullOrEmpty(strKeywords) ? "" : @"<br><p> " + strKeywords + " </p><br>");

            string      pdfTitles     = string.Empty;
            WikiPDFText wikiPDFTitles = null;

            List <WikiPDFText> strHTMLParagraphs = new List <WikiPDFText>();

            foreach (KeyValuePair <Guid, string> t in wikiTitles)
            {
                if (!wikiParagraphs.ContainsKey(t.Key) || wikiParagraphs[t.Key].Count == 0)
                {
                    continue;
                }

                bool hasTitle = !string.IsNullOrEmpty(t.Value);

                int counter = 0;

                if (hasTitle)
                {
                    pdfTitles += "<p><a href='#" + t.Key.ToString() + "'>" + t.Value + "</a></p><br>";
                    pdfTitles += ProviderUtil.list_to_string <string>(wikiParagraphs[t.Key].Where(
                                                                          u => !string.IsNullOrEmpty(u.Key) && !string.IsNullOrEmpty(u.Value)).Select(
                                                                          p => "<p><a style='color:gray;' href='#" + t.Key.ToString() + (++counter).ToString() + "'>" + p.Key + "</a></p><br>").ToList <string>(), ' ');
                }

                wikiPDFTitles = new WikiPDFText(applicationId, pdfTitles);

                counter = 0;

                WikiPDFText mt = !hasTitle ? null : new WikiPDFText(applicationId,
                                                                    @"<br><a name='" + t.Key.ToString() + "'><strong style='color:#00a;'>" + t.Value + "</strong></a>");

                List <KeyValuePair <string, string> > prgrs = wikiParagraphs[t.Key].Where(
                    u => !string.IsNullOrEmpty(u.Value)).Select(x => x).ToList();

                WikiPDFText tempParagraphs = new WikiPDFText(applicationId,
                                                             ProviderUtil.list_to_string <string>(prgrs.Select(u => u.Value).ToList(), ' '));
                if (mt != null && tempParagraphs.IsProbablyRTL)
                {
                    mt.set_is_rtl(true);
                }

                if (mt != null)
                {
                    strHTMLParagraphs.Add(mt);
                }

                foreach (KeyValuePair <string, string> kvp in prgrs)
                {
                    WikiPDFText pp = new WikiPDFText(applicationId, kvp.Value);

                    if (!string.IsNullOrEmpty(kvp.Key))
                    {
                        WikiPDFText pt = new WikiPDFText(applicationId, "<p><a style='color:#444;' name='" +
                                                         t.Key.ToString() + (++counter).ToString() + "'><strong>" + kvp.Key + "</strong></a></p>");

                        if (pp.IsProbablyRTL)
                        {
                            pt.set_is_rtl(true);
                        }

                        strHTMLParagraphs.Add(pt);
                    }

                    strHTMLParagraphs.Add(pp);
                }
            }

            strHTMLParagraphs = convert_div_to_p(applicationId, strHTMLParagraphs);

            using (MemoryStream mem = new MemoryStream())
            {
                using (Document pdfDoc = new Document(PageSize.A4))
                {
                    BaseFont baseFont = BaseFont.CreateFont(
                        PublicMethods.map_path("~/Fonts/windows/IRANSans.ttf"), BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
                    Font font = new Font(baseFont, size: 9);

                    PdfWriter pdfWriter = PdfWriter.GetInstance(pdfDoc, mem);

                    PageEventHelper pageEvents = new PageEventHelper(applicationId, title, font, meta);
                    pdfWriter.PageEvent = pageEvents;

                    pdfWriter.RgbTransparencyBlending = true;
                    pdfDoc.Open();

                    StyleAttrCSSResolver cssResolver = new StyleAttrCSSResolver();
                    cssResolver.AddCssFile(PublicMethods.map_path("~/CSS/pdf.css"), true);

                    PdfPTable mainTable = new PdfPTable(1)
                    {
                        WidthPercentage = 100,
                        RunDirection    = PdfWriter.RUN_DIRECTION_RTL
                    };

                    mainTable.SplitLate = false;

                    PdfPCell coverCell = new PdfPCell()
                    {
                        FixedHeight         = 750,
                        RunDirection        = PdfWriter.RUN_DIRECTION_RTL,
                        HorizontalAlignment = Element.ALIGN_CENTER
                    };

                    PdfPCell titlesCell = new PdfPCell
                    {
                        Border              = 0,
                        RunDirection        = PdfWriter.RUN_DIRECTION_RTL,
                        HorizontalAlignment = Element.ALIGN_RIGHT,
                        PaddingRight        = 20f,
                        PaddingLeft         = 20f,
                        BackgroundColor     = BaseColor.LIGHT_GRAY
                    };

                    for (int c = 0; c < wikiCover.Count; c++)
                    {
                        _add_to_table(applicationId, context, mainTable, cssResolver, wikiCover[c], font, coverCell);
                    }
                    //_add_to_table(applicationId, context, mainTable, cssResolver, wikiTitle, font);
                    if (!string.IsNullOrEmpty(description))
                    {
                        for (int c = 0; c < wikiDesc.Count; c++)
                        {
                            _add_to_table(applicationId, context, mainTable, cssResolver, wikiDesc[c], font);
                        }
                    }
                    if (!string.IsNullOrEmpty(strKeywords))
                    {
                        _add_to_table(applicationId, context, mainTable, cssResolver, wikiKeywords, font);
                    }
                    //_add_to_table(applicationId, context, mainTable, cssResolver, wikiPDFTitles, font, titlesCell);
                    for (int c = 0; c < strHTMLParagraphs.Count; c++)
                    {
                        _add_to_table(applicationId, context, mainTable, cssResolver, strHTMLParagraphs[c], font);
                    }

                    pdfDoc.Add(mainTable);

                    pdfDoc.Close();

                    byte[] finalContent = mem.ToArray();

                    if (hasCustomCover)
                    {
                        finalContent = add_custom_cover(applicationId,
                                                        currentUserId.Value, finalContent, coverId.Value, coverOwnerNodeId.Value);
                    }

                    return(string.IsNullOrEmpty(password) ? finalContent : PDFUtil.set_password(finalContent, password));
                }
            }
        }
Пример #2
0
        protected void send_file(DocFileInfo file, bool logNeeded, bool addPDFCover = false, bool addPDFFooter = false,
                                 Guid?coverId = null, string pdfPassword = null, string contentType = null, bool isAttachment = true)
        {
            byte[] fileContent = file.toByteArray(paramsContainer.ApplicationID);

            if (fileContent.Length == 0)
            {
                send_empty_response();
                return;
            }

            //Save Log
            if (logNeeded && paramsContainer.CurrentUserID.HasValue)
            {
                LogController.save_log(paramsContainer.Tenant.Id, new Log()
                {
                    UserID           = paramsContainer.CurrentUserID,
                    Date             = DateTime.Now,
                    HostAddress      = PublicMethods.get_client_ip(HttpContext.Current),
                    HostName         = PublicMethods.get_client_host_name(HttpContext.Current),
                    Action           = Modules.Log.Action.Download,
                    SubjectID        = file.FileID,
                    Info             = file.toJson(paramsContainer.Tenant.Id),
                    ModuleIdentifier = ModuleIdentifier.DCT
                });
            }
            //end of Save Log

            if (file.Extension.ToLower() == "pdf")
            {
                addPDFCover = addPDFCover && file.OwnerNodeID.HasValue && coverId.HasValue &&
                              paramsContainer.ApplicationID.HasValue && paramsContainer.CurrentUserID.HasValue;

                if (addPDFFooter || addPDFCover)
                {
                    bool invalidPassword = false;

                    fileContent = PDFUtil.get_pdf_content(paramsContainer.Tenant.Id, fileContent, pdfPassword, ref invalidPassword);

                    if (invalidPassword)
                    {
                        string responseText = "{\"InvalidPassword\":" + true.ToString().ToLower() + "}";
                        paramsContainer.return_response(ref responseText);
                        return;
                    }
                }

                if (addPDFFooter)
                {
                    User currentUser = !paramsContainer.CurrentUserID.HasValue ? null :
                                       UsersController.get_user(paramsContainer.Tenant.Id, paramsContainer.CurrentUserID.Value);

                    if (currentUser == null)
                    {
                        currentUser = new User()
                        {
                            UserID    = Guid.NewGuid(),
                            UserName  = "******",
                            FirstName = "[anonymous]",
                            LastName  = "[anonymous]"
                        };
                    }

                    DownloadedFileMeta meta = new DownloadedFileMeta(PublicMethods.get_client_ip(HttpContext.Current),
                                                                     currentUser.UserName, currentUser.FirstName, currentUser.LastName, null);

                    fileContent = PDFTemplates.append_footer(fileContent, meta.toString());
                }

                if (addPDFCover)
                {
                    fileContent = Wiki2PDF.add_custom_cover(paramsContainer.Tenant.Id,
                                                            paramsContainer.CurrentUserID.Value, fileContent, coverId.Value, file.OwnerNodeID.Value);
                }

                if (!string.IsNullOrEmpty(pdfPassword))
                {
                    fileContent = PDFUtil.set_password(fileContent, pdfPassword);
                }
            }

            string retFileName = file.FileName + (string.IsNullOrEmpty(file.Extension) ? string.Empty : "." + file.Extension);

            paramsContainer.file_response(fileContent, retFileName, contentType: contentType, isAttachment: isAttachment);
        }