Frida script - Peek http req/res

frida-hybrid-peek-android-okhttp.js

Java.perform(function() {
var res2 = Java.use('com.android.okhttp.Response$Builder');
    res2.build.implementation = function() {

        var response = this.build();


        console.log(response.headers())
        //console.log(response.message())
        var rBody = response.body();
        //console.log(rBody.source())
        console.log("## REQ ### ");
        console.log(response.request());
        console.log(response.request().headers());

        console.log("## -REQ- ### ");
        return response;
    };
  var base64 = Java.use('android.util.Base64');
    var RealResponseBody = Java.use('com.android.okhttp.internal.http.RealResponseBody');
    RealResponseBody.$init.overload('com.android.okhttp.Headers', 'com.android.okhttp.okio.BufferedSource').implementation = function(par1, par2) {
        console.log("ResponseBody");

        var body = par2.readByteArray();
        console.log(base64.encodeToString(body, 0));
        // Write back the body into buffer to allow app to read it
        var buffer = par2.buffer();
        buffer.clear();
        buffer.write(body);

        this.$init(par1, par2);
    }

});