public static GetVisualPositioning ( int sampleNumber ) : PadesVisualPositioning | ||
sampleNumber | int | |
Résultat | PadesVisualPositioning |
/* * This method defines the visual representation for each signature. */ private PadesVisualRepresentation getVisualRepresentation() { return(new PadesVisualRepresentation() { // The tags {{name}} and {{national_id}} will be substituted according to the user's certificate // // name : full name of the signer // national_id : if the certificate is ICP-Brasil, contains the signer's CPF // // For more information, see: https://github.com/LacunaSoftware/RestPkiSamples/blob/master/PadesTags.md Text = new PadesVisualText("Signed by {{name}} ({{national_id}})") { // Specify that the signing time should also be rendered IncludeSigningTime = true, // Optionally set the horizontal alignment of the text ('Left' or 'Right'), if not set the default is Left HorizontalAlign = PadesTextHorizontalAlign.Left }, // We'll use as background the image in Content/PdfStamp.png Image = new PadesVisualImage(Util.GetPdfStampContent(), "image/png") { // Opacity is an integer from 0 to 100 (0 is completely transparent, 100 is completely opaque) Opacity = 50, // Align the image to the right HorizontalAlign = PadesHorizontalAlign.Right }, // Position of the visual representation. We have encapsulated this code in a method to include several // possibilities depending on the argument passed. Experiment changing the argument to see different examples // of signature positioning. Once you decide which is best for your case, you can place the code directly here. Position = PadesVisualElements.GetVisualPositioning(1) }); }
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { // Get an instance of the PadesSignatureStarter class, responsible for receiving the signature elements and start the // signature process var signatureStarter = Util.GetRestPkiClient().GetPadesSignatureStarter(); // Set the unit of measurement used to edit the pdf marks and visual representations signatureStarter.MeasurementUnits = PadesMeasurementUnits.Centimeters; // Set the file to be signed as a byte array signatureStarter.SetPdfToSign(Util.GetSampleDocContent()); // Set the signature policy signatureStarter.SetSignaturePolicy(StandardPadesSignaturePolicies.Basic); // Set a SecurityContext to be used to determine trust in the certificate chain signatureStarter.SetSecurityContext(StandardSecurityContexts.PkiBrazil); // Note: By changing the SecurityContext above you can accept only certificates from a certain PKI, // for instance, ICP-Brasil (Lacuna.RestPki.Api.StandardSecurityContexts.PkiBrazil). // Set a visual representation for the signature signatureStarter.SetVisualRepresentation(new PadesVisualRepresentation() { // The tags {{signerName}} and {{signerNationalId}} will be substituted according to the user's certificate // signerName -> full name of the signer // signerNationalId -> if the certificate is ICP-Brasil, contains the signer's CPF Text = new PadesVisualText("Signed by {{signerName}} ({{signerNationalId}})") { // Specify that the signing time should also be rendered IncludeSigningTime = true, // Optionally set the horizontal alignment of the text ('Left' or 'Right'), if not set the default is Left HorizontalAlign = PadesTextHorizontalAlign.Left }, // We'll use as background the image in Content/PdfStamp.png Image = new PadesVisualImage(Util.GetPdfStampContent(), "image/png") { // Opacity is an integer from 0 to 100 (0 is completely transparent, 100 is completely opaque). Opacity = 50, // Align the image to the right HorizontalAlign = PadesHorizontalAlign.Right }, // Position of the visual representation. We have encapsulated this code in a method to include several // possibilities depending on the argument passed. Experiment changing the argument to see different examples // of signature positioning. Once you decide which is best for your case, you can place the code directly here. Position = PadesVisualElements.GetVisualPositioning(1) }); /* * Optionally, add marks to the PDF before signing. These differ from the signature visual representation in that * they are actually changes done to the document prior to signing, not binded to any signature. Therefore, any number * of marks can be added, for instance one per page, whereas there can only be one visual representation per signature. * However, since the marks are in reality changes to the PDF, they can only be added to documents which have no previous * signatures, otherwise such signatures would be made invalid by the changes to the document (see property * PadesSignatureStarter.BypassMarksIfSigned). This problem does not occurr with signature visual representations. * * We have encapsulated this code in a method to include several possibilities depending on the argument passed. * Experiment changing the argument to see different examples of PDF marks. Once you decide which is best for your case, * you can place the code directly here. */ //signatureStarter.PdfMarks.Add(PadesVisualElements.GetPdfMark(1)); // Call the StartWithWebPki() method, which initiates the signature. This yields the token, a 43-character // case-sensitive URL-safe string, which identifies this signature process. We'll use this value to call the // signWithRestPki() method on the Web PKI component (see javascript on the view) and also to complete the signature // on the POST action below (this should not be mistaken with the API access token). var token = signatureStarter.StartWithWebPki(); ViewState["Token"] = token; } }