universal_links.js

Interceptor.attach(ObjC.classes.AppDelegate['- application:continueUserActivity:restorationHandler:'].implementation, {
  onEnter: function (args) {

    printHeader(args)

    this.application = ObjC.Object(args[2]);
    this.continueUserActivity = ObjC.Object(args[3]);
    this.restorationHandler = ObjC.Object(args[4]);

    console.log("application: " + this.application);
    // https://developer.apple.com/documentation/foundation/nsuseractivity?language=objc
    console.log("continueUserActivity: " + this.continueUserActivity);
    console.log("continueUserActivity.webpageURL: " + this.continueUserActivity.webpageURL().toString());
    console.log("restorationHandler: " + this.restorationHandler);

    printContext(this);

  },
  onLeave: function (retval) {
    printRet(retval);
  }
});

Interceptor.attach(ObjC.classes.__NSConcreteURLComponents['- initWithURL:resolvingAgainstBaseURL:'].implementation, {
  onEnter: function (args) {

    printHeader(args)

    this.initWithURL = ObjC.Object(args[2]).toString();
    this.resolvingAgainstBaseURL = args[3];
    console.log("initWithURL: " + this.initWithURL);
    console.log("resolvingAgainstBaseURL: " + this.resolvingAgainstBaseURL);

    printContext(this);

  },
  onLeave: function (retval) {
    printRet(retval);

    retval = ObjC.Object(retval);
    console.log("ret (scheme=" + retval.scheme()
    + ", host=" + retval.host()
    + ", path=" + retval.path()
    + ")");
  }
});

function printHeader(args) {
  console.log("\n[*] ("+ ObjC.Object(args[0]).toString() + ") " + Memory.readUtf8String(args[1]) + " @ " + args[1])
};

function printRet(retval) {
  console.log('RET @ ' + retval + ': ' );
  try {
    console.log(new ObjC.Object(retval).toString());
  } catch (e) {
    console.log(retval.toString());
  }
};

function printContext(_this) {
  console.log('Context information:');
        console.log('Context  : ' + JSON.stringify(_this.context));
        console.log('Return   : ' + _this.returnAddress);
        console.log('ThreadId : ' + _this.threadId);
        console.log('Depth    : ' + _this.depth);
        console.log('Errornr  : ' + _this.err);
}