frida-okhttp3

一个简单的构造方法
喜欢有趣的人

function hook_okhttp3() {// 1. frida Hook java层的代码必须包裹在Java.perform中，Java.perform会将Hook Java相关API准备就绪。Java.perform(function () {// 2. 准备相应类库，用于后续调用，前两个库是Android自带类库，后三个是使用Okhttp网络库的情况下才有的类var ByteString = Java.use("com.android.okhttp.okio.ByteString");var Buffer = Java.use("com.android.okhttp.okio.Buffer");var Interceptor = Java.use("okhttp3.Interceptor");var ArrayList = Java.use("java.util.ArrayList");var OkHttpClient = Java.use("okhttp3.OkHttpClient");//  注册一个Java类var MyInterceptor = Java.registerClass({name: "okhttp3.MyInterceptor",implements: [Interceptor],methods: {intercept: function (chain) {var request = chain.request();try {console.log("MyInterceptor.intercept onEnter:", request, "\nrequest headers:\n", request.headers());var requestBody = request.body();var contentLength = requestBody ? requestBody.contentLength() : 0;if (contentLength > 0) {var BufferObj = Buffer.$new();requestBody.writeTo(BufferObj);try {console.log("\nrequest body String:\n", BufferObj.readString(), "\n");} catch (error) {try {console.log("\nrequest body ByteString:\n", ByteString.of(BufferObj.readByteArray()).hex(), "\n");} catch (error) {console.log("error 1:", error);}}}} catch (error) {console.log("error 2:", error);}var response = chain.proceed(request);try {console.log("MyInterceptor.intercept onLeave:", response, "\nresponse headers:\n", response.headers());var responseBody = response.body();var contentLength = responseBody ? responseBody.contentLength() : 0;if (contentLength > 0) {console.log("\nresponsecontentLength:", contentLength, "responseBody:", responseBody, "\n");var ContentType = response.headers().get("Content-Type");console.log("ContentType:", ContentType);if (ContentType.indexOf("video") == -1) {if (ContentType.indexOf("application") == 0) {var source = responseBody.source();if (ContentType.indexOf("application/zip") != 0) {try {console.log("\nresponse.body StringClass\n", source.readUtf8(), "\n");} catch (error) {try {console.log("\nresponse.body ByteString\n", source.readByteString().hex(), "\n");} catch (error) {console.log("error 4:", error);}}}}}}} catch (error) {console.log("error 3:", error);}return response;}}});OkHttpClient.$init.overload('okhttp3.OkHttpClient$Builder').implementation = function (Builder) {console.log("OkHttpClient.$init:", this, Java.cast(Builder.interceptors(), ArrayList));this.$init(Builder);};var MyInterceptorObj = MyInterceptor.$new();var Builder = Java.use("okhttp3.OkHttpClient$Builder");console.log(Builder);Builder.build.implementation = function () {this.interceptors().clear();this.interceptors().add(MyInterceptorObj);var result = this.build();return result;};Builder.addInterceptor.implementation = function (interceptor) {this.interceptors().clear();this.interceptors().add(MyInterceptorObj);return this;};console.log("hook_okhttp3...");});
}
hook_okhttp3();

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