Digital Signature using Adobe Javascript

lsinghal

30-04-2020

Hi @Maceo29 or whosoever can reply,

 

I am using Adobe JS to digital sign a PDF which contains XFA forms fields. In PDF there exists one signature field on which we want to sign using pfx file. We have followed 2 approaches to sign this pdf document but none works:

 

  1. We are using below JS code to sign pdf and on executing this code on Adobe JS Console we are getting some error given below. Please help us in getting this issue fixed.

 

Code:

 

var sign = app.trustedFunction(

              function(oDoc){

                             app.beginPriv();

 

                             var ppklite = security.getHandler("Adobe.PPKLite");

 

                             ppklite.login("Lokesh12", "/C/Users/lsinghal/Desktop/MIR/LokeshSinghal.pfx");

                             var f = this.getField('incident[0].Page12[0].SignatureField1[0]');

                             var myInfo = {

                                           password: "Lokesh12",

                                           location: "Country, IN",

                                           reason: "I am approving doc document",

                                           contactInfo: "[link removed]",

                                           appearance: "basic",

                                           mdp: "allowNone"

                             };

                             f.signatureSign({oSig: ppklite, oInfo: myInfo,bUI: false,cLegalAttest: "To reduce file size, fonts are not embedded." });

                             ppklite.logout();

                             app.endPriv();

              }            

);

             

              sign(this);

 

 

Error :

 

NotAllowedError: Security settings prevent access to this property or method.

Field.signatureSign:17:Console undefined:Exec

 

 

  1. We are trying to edit an already signed pdf document with same above code but we are getting below error:

GeneralError: Operation failed.

Field.signatureSign:17:Console undefined:Exec

Field is already signed

 

 

Please help us to sign PDF using any approach by using Adobe Javascript.

 

Thanks,

Lokesh

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