[GAFP-4] : PGP Encryption/Decryption

src/main/java/com/nisum/demo/blobStorage/BlobTriggerFunction.java

@@ -31,42 +31,41 @@ public class BlobTriggerFunction {
     ) throws IOException {
         ResourceBundle resourceBundle = new PropertyResourceBundle(new FileInputStream("/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/application.properties"));
         if (Pattern.matches("[a-z|A-Z]*.csv", name)) {
-        String directoryPath = resourceBundle.getString("files.directory.path")+name;
-        if (!Files.exists(Paths.get(directoryPath))) {
-            Files.createFile(Paths.get(directoryPath));
-        }
+            String directoryPath = resourceBundle.getString("files.directory.path") + name;
+            if (!Files.exists(Paths.get(directoryPath))) {
+                Files.createFile(Paths.get(directoryPath));
+            }
 
-        try (FileOutputStream fileOutputStream = new FileOutputStream(directoryPath, true)) {
+            try (FileOutputStream fileOutputStream = new FileOutputStream(directoryPath, true)) {
                 fileOutputStream.write(content);
             }
-//        String encryptedFilePath = resourceBundle.getString("files.directory.path")+name;
-            OutputStream outbound = new FileOutputStream("/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/outbound/eibad.csv");
-            String inbound = "/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/inbound/eibad.csv";
+
+            InputStream inputStreamSecretKey = new FileInputStream(resourceBundle.getString("gpg.keychain.secret.key"));
+            InputStream inputStreamPublicKey = new FileInputStream(resourceBundle.getString("gpg.keychain.public.key"));
+            char[] pass = {'n', 'i', 's', 'u', 'm', '1', '2', '3', '4'};
 
             // Writes data to the output stream
-            InputStream inputStreamSecretKey = new FileInputStream("/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/keys/gappoc.asc");
-            InputStream inputStreamPublicKey = new FileInputStream("/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/keys/gappocPublic.asc");
-            char[] pass = {'n','i','s','u','m','1','2','3','4'};
+            OutputStream outbound = new FileOutputStream(resourceBundle.getString("encrypted.files.directory.path") + name.replaceFirst(".csv",".asc"));
+            String inbound= resourceBundle.getString("files.directory.path") + name;
+
             try {
-//                PGPPublicKey key = PGPUtils.readPublicKey(inputStream);
-//                use it when using only public key
-//                context.getLogger().info("key : "+ key.isEncryptionKey()+"  "+key.getCreationTime() +"::"+key.toString());
+//            use it when using only public key
+//            PGPPublicKey key = PGPUtils.readPublicKey(inputStream);
+
+//            use it to get secret key when using public + private key
+//            PGPSecretKey pgpSecretKey = PGPUtils.readSecretKey(inputStream);
+
+//                for encryption
+                PGPUtils.encryptAndSignFile(outbound, inbound, inputStreamPublicKey, inputStreamSecretKey, true, true, pass);
+                context.getLogger().info("---File Encrypted---");
+
 
-//                PGPSecretKey pgpSecretKey = PGPUtils.readSecretKey(inputStream);
-//                use it when using public + private key
-//                context.getLogger().info("key : "+ pgpSecretKey.isSigningKey()+"  "+pgpSecretKey.getKeyID() +"::"+pgpSecretKey.toString());
-//                context.getLogger().info("----");
+//                for decryption
+//                InputStream fileToBeDecrypt = new FileInputStream(resourceBundle.getString("encrypted.files.directory.path") + name.replaceFirst(".csv", ".asc"));
+//                OutputStream inboundN = new FileOutputStream(resourceBundle.getString("decrypted.files.directory.path"));
+//                PGPUtils.decryptFile(fileToBeDecrypt, inboundN, inputStreamSecretKey, pass, inputStreamPublicKey);
 
-//                PGPUtils.encryptAndSignFile(outbound,inbound,inputStreamPublicKey,inputStreamSecretKey,true,true,pass);
-//                outbound.close();
-//
-                context.getLogger().info("---encryptAndSignFile---");
 
-                InputStream outboundIn = new FileInputStream("/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/outbound/eibad.csv");
-                OutputStream inboundN = new FileOutputStream("/Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/out/a.csv");
-                PGPUtils.decryptFile(outboundIn,inboundN, inputStreamSecretKey,pass,inputStreamPublicKey);
-                outboundIn.close();
-                inboundN.close();
             } catch (Exception e) {
                 e.printStackTrace();
             }

src/main/resources/application.properties

-files.directory.path = /Users/adanish/Documents/azure-function-blob-storage-examples/src/main/resources/files/
+files.directory.path = /Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/files/
\ No newline at end of file
+encrypted.files.directory.path = /Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/encrypted/
+decrypted.files.directory.path = /Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/decrypted/a.csv
+gpg.keychain.public.key = /Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/keys/gappocPublic.asc
+gpg.keychain.secret.key = /Users/eali/Projects/azure/myazurefunctionsdemo/src/main/resources/keys/gappoc.asc