compdfkit(win) - Samples

Demo/Examples/Compdfkit_Tools/DigitalSignature/CPDFSignatureListControl/CPDFSignatureListControl.xaml.cs

@@ -112,7 +112,7 @@ namespace Compdfkit_Tools.DigitalSignature.CPDFSignatureListControl
                     signatureDataList = new List<SignatureData>();
                     foreach (CPDFSignature signature in signatureList)
                     {
-                        signature.VerifySignatureWithDocument(pdfViewer.Document, true);
+                        signature.VerifySignatureWithDocument(pdfViewer.Document);
                         var item = new SignatureData();
                         CPDFSigner signer = signature.SignerList.Last();
                         if (!signer.IsSignVerified)

Demo/Examples/Samples/DigitalSignatureTest/DigitalSignatureTest.cs

@@ -46,15 +46,49 @@ namespace DigitalSignatureTest
             //Sample 3: Verify certificate
             VerifyCertificate(certificatePath, password);
 
-            //Sample 4: Trust Certificate
+            //Sample 4: Print digital signature info
+            PrintDigitalSignatureInfo(signedDoc);
+             
+
+            //Sample 5: Trust Certificate
             TrustCertificate(signedDoc);
 
-            //Sample 5: Remove digital signature
+            //Sample 6: Remove digital signature
             RemoveDigitalSignature(signedDoc);
             signedDoc.Release();
+            Console.WriteLine("Done.\n");
+
             Console.ReadLine();
         }
 
+        /// <summary>
+        /// this samples shows how to get main properties in digital signature.
+        /// read API reference to see all of the properties can get 
+        /// </summary>
+        /// <param name="document"></param>
+        private static void PrintDigitalSignatureInfo(CPDFDocument document)
+        {
+            Console.WriteLine("--------------------");
+            Console.WriteLine("Print digital signature info.");
+            foreach (var signature in document.GetSignatureList())
+            {
+                signature.VerifySignatureWithDocument(document);
+                Console.WriteLine("Name: " + signature.Name); 
+                Console.WriteLine("Location: " + signature.Location);
+                Console.WriteLine("Location: " + signature.Reason);
+                foreach (var signer in signature.SignerList)
+                {
+                    Console.WriteLine("Name: " + signer.AuthenDate);
+                    foreach (var certificate in signer.CertificateList)
+                    {
+                        Console.WriteLine("Subject: " + certificate.Subject);
+                    }
+                }
+            }
+            Console.WriteLine("Print digital signature info done.");
+            Console.WriteLine("--------------------");
+        }
+
         /// <summary>
         /// in the core function "CPDFPKCS12CertHelper.GeneratePKCS12Cert": 
         /// 
@@ -114,6 +148,7 @@ namespace DigitalSignatureTest
         ///     IsDrawLogo: True
         ///     LogoBitmap: logo.png
         ///     text color RGB: { 0, 0, 0 }
+        ///     content color RGB: { 0, 0, 0 }
         ///     Output file name: document.FileName + "_Signed.pdf"
         /// </summary>
         private static void CreateDigitalSignature(CPDFDocument document, string certificatePath, string password)
@@ -136,12 +171,13 @@ namespace DigitalSignatureTest
                 "Name: " + GetGrantorFromDictionary(certificate.SubjectDict) + "\n" +
                 "Date: " + DateTime.Now.ToString("yyyy.MM.dd HH:mm:ss") + "\n" +
                 "Reason: I am the owner of the document.\n" +
-                "Location: Singapor\n" +
+                "Location: "+ certificate.SubjectDict["C"] + "\n" +
                 "DN: " + certificate.Subject + "\n",
                 IsContentAlginLeft = false,
                 IsDrawLogo = true,
                 LogoBitmap = new Bitmap("Logo.png"),
-                textColor = new float[] { 0, 0, 0 }
+                textColor = new float[] { 0, 0, 0 },
+                contentColor = new float[] { 0, 0, 0 }
             };
             signatureField.UpdataApWithSignature(signatureConfig);
             if (document.WriteSignatureToFilePath(signatureField,
@@ -162,7 +198,8 @@ namespace DigitalSignatureTest
         }
 
         /// <summary>
-        /// Remove signature
+        /// Remove digital signature
+        /// after removed, both of the apperence and data will be removed
         /// </summary>
         /// <param name="document"></param>
         private static void RemoveDigitalSignature(CPDFDocument document)
@@ -171,8 +208,9 @@ namespace DigitalSignatureTest
             Console.WriteLine("Remove digital signature.");
             CPDFSignature signature = document.GetSignatureList()[0];
             document.RemoveSignature(signature, true);
-            document.WriteToFilePath(outputPath + "/" + document.FileName + "_RemovedSign.pdf");
-            Console.WriteLine("File saved in " + outputPath + "/" + document.FileName + "_RemovedSign.pdf");
+            string filePath = outputPath + "\\" + document.FileName + "_RemovedSign.pdf";
+            document.WriteToFilePath(filePath);
+            Console.WriteLine("File saved in " + filePath);
             Console.WriteLine("Remove digital signature done.");
             Console.WriteLine("--------------------");
         }
@@ -194,7 +232,12 @@ namespace DigitalSignatureTest
 
             Console.WriteLine("---Begin trusted---");
 
-            CPDFSignature.SignCertTrustedFolder = AppDomain.CurrentDomain.BaseDirectory + @"\TrustedFolder\";
+            string trustedFolder = AppDomain.CurrentDomain.BaseDirectory + @"\TrustedFolder\";
+            if (!Directory.Exists(trustedFolder))
+            {
+                Directory.CreateDirectory(trustedFolder);
+            }
+            CPDFSignature.SignCertTrustedFolder = trustedFolder;
             if (signatureCertificate.AddToTrustedCertificates())
             {
                 Console.WriteLine("Certificate trusted status: " + signatureCertificate.IsTrusted.ToString());
@@ -239,15 +282,25 @@ namespace DigitalSignatureTest
         /// <summary>
         /// Verify digital signature
         /// 
-        /// 
-        /// 
+        /// Refresh the validation status before reading the attributes, or else you may obtain inaccurate results.
+        /// Is the signature verified: indicating whether the document has been tampered with.
+        /// Is the certificate trusted: referring to the trust status of the certificate.
         /// </summary> 
         private static void VerifyDigitalSignature(CPDFDocument document)
         {
-            bool isSignVerified = document.GetSignatureList()[0].SignerList[0].IsSignVerified;
-            bool isCertTrusted = document.GetSignatureList()[0].SignerList[0].IsCertTrusted;
-
-
+            Console.WriteLine("--------------------");
+            Console.WriteLine("Verify digital signature.");
+            foreach (var signature in document.GetSignatureList())
+            {
+                signature.VerifySignatureWithDocument(document);
+                foreach (var signer in signature.SignerList)
+                {
+                    Console.WriteLine("Is the certificate trusted: " + signer.IsCertTrusted.ToString());
+                    Console.WriteLine("Is the signature verified: " + signer.IsSignVerified.ToString());
+                }
+            }
+            Console.WriteLine("Verify digital signature done.");
+            Console.WriteLine("--------------------");
         }
 
         public static string GetGrantorFromDictionary(Dictionary<string, string> dictionary)