Files
adif-api-reverse-engineering/frida_scripts/frida_capture_request_body.js

133 lines
5.1 KiB
JavaScript

/**
* Capture REQUEST BODY using writeTo() method
*/
console.log("\n[*] Capturing REQUEST Bodies\n");
Java.perform(function() {
try {
var AuthHeaderInterceptor = Java.use("com.adif.elcanomovil.serviceNetworking.interceptors.AuthHeaderInterceptor");
console.log("[+] Found AuthHeaderInterceptor");
// Try to find Buffer class
var Buffer = null;
var bufferNames = ["r.f", "r3.f", "okio.Buffer", "r3.Buffer"];
for (var i = 0; i < bufferNames.length; i++) {
try {
Buffer = Java.use(bufferNames[i]);
console.log("[+] Found Buffer class: " + bufferNames[i]);
break;
} catch (e) {
// Try next
}
}
if (!Buffer) {
console.log("[-] Could not find Buffer class, trying without pre-loading");
}
AuthHeaderInterceptor.intercept.implementation = function(chain) {
console.log("\n" + "=".repeat(80));
console.log("[HTTP REQUEST]");
try {
// Cast chain
var ChainClass = Java.use("j3.g");
var chainObj = Java.cast(chain, ChainClass);
// Get request
var requestField = chainObj.getClass().getDeclaredField("e");
requestField.setAccessible(true);
var request = requestField.get(chainObj);
if (request) {
// Get URL
var urlField = request.getClass().getDeclaredField("a");
urlField.setAccessible(true);
var urlObj = urlField.get(request);
console.log("[URL] " + urlObj.toString());
// Get method
var methodField = request.getClass().getDeclaredField("b");
methodField.setAccessible(true);
var method = methodField.get(request);
console.log("[METHOD] " + method);
// Get request body
var bodyField = request.getClass().getDeclaredField("d");
bodyField.setAccessible(true);
var reqBody = bodyField.get(request);
if (reqBody) {
try {
// If Buffer wasn't found, try to load it now
if (!Buffer) {
var bufferNames = ["r.f", "r3.f", "okio.Buffer", "r3.Buffer"];
for (var i = 0; i < bufferNames.length; i++) {
try {
Buffer = Java.use(bufferNames[i]);
break;
} catch (e) {}
}
}
if (Buffer) {
// Create a temporary buffer
var buffer = Buffer.$new();
// Try to cast buffer to BufferedSink if needed
try {
var BufferedSink = Java.use("r3.i");
var sink = Java.cast(buffer, BufferedSink);
// Call writeTo passing the sink
reqBody.writeTo(sink);
} catch (e) {
// If cast fails, try direct call
reqBody.writeTo(buffer);
}
// Read the content as UTF-8 string
var bodyContent = buffer.B0(); // readUtf8()
console.log("\n[REQUEST BODY]");
if (bodyContent && bodyContent.length > 0) {
if (bodyContent.length > 2000) {
console.log(bodyContent.substring(0, 2000));
console.log("\n... (truncated, total: " + bodyContent.length + " chars)");
} else {
console.log(bodyContent);
}
} else {
console.log("(empty)");
}
} else {
console.log("\n[REQUEST BODY] Could not load Buffer class");
}
} catch (e) {
console.log("[REQUEST BODY ERROR] " + e);
}
} else {
console.log("[REQUEST BODY] null");
}
}
} catch (e) {
console.log("[ERROR] " + e);
}
console.log("=".repeat(80) + "\n");
// Call original
return this.intercept(chain);
};
console.log("[*] Hook installed!\n");
} catch (e) {
console.log("[-] Failed: " + e);
}
});