/**
 * Request Body Capture using Reflection
 * Automatically finds the correct method names
 */

console.log("\n[*] Request Body Capture (Reflection-based)\n");

Java.perform(function() {

    try {
        var AuthHeaderInterceptor = Java.use("com.adif.elcanomovil.serviceNetworking.interceptors.AuthHeaderInterceptor");
        console.log("[+] Found AuthHeaderInterceptor");

        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 {
                            // Load Buffer class
                            var Buffer = Java.use("r3.f");
                            var buffer = Buffer.$new();

                            // Call writeTo with the buffer
                            reqBody.writeTo(buffer);

                            // Use reflection to find readUtf8() method
                            var methods = buffer.getClass().getMethods();
                            var readUtf8Method = null;

                            for (var i = 0; i < methods.length; i++) {
                                var method = methods[i];
                                var methodName = method.getName();
                                var returnType = method.getReturnType().getName();
                                var paramCount = method.getParameterTypes().length;

                                // Look for a method that returns String and has no parameters
                                if (returnType === "java.lang.String" && paramCount === 0) {
                                    // This is likely readUtf8()
                                    readUtf8Method = method;
                                    console.log("[DEBUG] Found string method: " + methodName + "()");
                                    break;
                                }
                            }

                            if (readUtf8Method) {
                                readUtf8Method.setAccessible(true);
                                var bodyContent = readUtf8Method.invoke(buffer);

                                console.log("\n[REQUEST BODY]");
                                if (bodyContent && bodyContent.length > 0) {
                                    if (bodyContent.length > 3000) {
                                        console.log(bodyContent.substring(0, 3000));
                                        console.log("\n... (truncated, total: " + bodyContent.length + " chars)");
                                    } else {
                                        console.log(bodyContent);
                                    }
                                } else {
                                    console.log("(empty)");
                                }
                            } else {
                                console.log("[REQUEST BODY] Could not find readUtf8() method");
                            }

                        } catch (e) {
                            console.log("[REQUEST BODY ERROR] " + e);
                            console.log("[STACK] " + e.stack);
                        }
                    } else {
                        console.log("[REQUEST BODY] null");
                    }
                }

            } catch (e) {
                console.log("[ERROR] " + e);
                console.log("[STACK] " + e.stack);
            }

            console.log("=".repeat(80) + "\n");

            // Call original
            return this.intercept(chain);
        };

        console.log("[*] Hook installed!\n");

    } catch (e) {
        console.log("[-] Failed: " + e);
    }
});