From 33ee88c0e8a41c0ffbc932e7991541255ec7f369 Mon Sep 17 00:00:00 2001
From: heibai2006 <heibai2006@noreply.localhost>
Date: Sun, 21 Aug 2022 06:05:48 +0000
Subject: [PATCH] okhttp3.Interceptor
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okhttp3.Interceptor注入

Signed-off-by: heibai2006 <heibai2006@noreply.localhost>
---
 scripts/okhttp3.Interceptor.js | 109 +++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 scripts/okhttp3.Interceptor.js

diff --git a/scripts/okhttp3.Interceptor.js b/scripts/okhttp3.Interceptor.js
new file mode 100644
index 0000000..aab1bed
--- /dev/null
+++ b/scripts/okhttp3.Interceptor.js
@@ -0,0 +1,109 @@
+function hook_okhttp3(classLoader) {
+    Java.perform(function () {
+        var ByteString = classLoader.use("com.android.okhttp.okio.ByteString");
+        var Buffer = classLoader.use("com.android.okhttp.okio.Buffer");
+        var Interceptor = classLoader.use("okhttp3.Interceptor");
+        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;
+                }
+            }
+        });
+        var ArrayList = classLoader.use("java.util.ArrayList");
+        var OkHttpClient = classLoader.use("okhttp3.OkHttpClient");
+        console.log(OkHttpClient);
+        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 = classLoader.use("okhttp3.OkHttpClient$Builder");
+        console.log(Builder);
+        Builder.build.implementation = function () {
+            this.interceptors().clear();
+            //var MyInterceptorObj = MyInterceptor.$new();
+            this.interceptors().add(MyInterceptorObj);
+            var result = this.build();
+            return result;
+        };
+ 
+        Builder.addInterceptor.implementation = function (interceptor) {
+            this.interceptors().clear();
+            //var MyInterceptorObj = MyInterceptor.$new();
+            this.interceptors().add(MyInterceptorObj);
+            return this;
+            //return this.addInterceptor(interceptor);
+        };
+ 
+        console.log("hook_okhttp3...");
+    });
+}
+ 
+Java.perform(function() {
+    var application = Java.use("android.app.Application");
+    application.attach.overload('android.content.Context').implementation = function(context) {
+        var result = this.attach(context); // 先执行原来的attach方法
+        var classloader = context.getClassLoader(); // 获取classloader
+        Java.classFactory.loader = classloader;
+        hook_okhttp3(Java.classFactory);
+    }
+ 
+});
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