序
最近老不舒服了 。
直接开始 。
项目有个需求对学员在看直播发送的聊天消息进行监测 。大概意思就是需要进行管控 。选择了第三方 网易的易盾 。
看完文档发现这个易盾是服务端使用的 ，文档里面根本没有客户端的东西 。好在服务端有 Java 语言 ，所以看着 Java 还是能搞明白的 ，但是 IOS 同事就尴尬了 。
直接上代码 。
工具类 。
public class YiDunUtils {
private static YiDunUtils mInstance;
private static final int DEFAULT_TIME_OUT = 20;//超时时间 5s
private static final int DEFAULT_READ_TIME_OUT = 20;
/**
* 产品密钥ID，产品标识
*/
private final static String SECRETID = "------";
/**
* 产品私有密钥，服务端生成签名信息使用，请严格保管，避免泄露
*/
private final static String SECRETKEY = "-----------";
/**
* 业务ID，易盾根据产品业务特点分配
*/
private final static String BUSINESSID = "----------";
/**
* 易盾反垃圾云服务文本离线检测结果获取接口地址
*/
private final static String API_URL = "https://as.dun.163yun.com/v3/text/check";
public static YiDunUtils getInstance() {
mInstance = new YiDunUtils();
return mInstance;
}
private OkHttpClient InterceptClient() {
HttpLoggingInterceptor logging = new HttpLoggingInterceptor();
logging.setLevel(HttpLoggingInterceptor.Level.BODY);
// 创建 OKHttpClient
final OkHttpClient.Builder builder = new OkHttpClient.Builder();
builder.connectTimeout(DEFAULT_TIME_OUT, TimeUnit.SECONDS);//连接超时时间
builder.writeTimeout(DEFAULT_READ_TIME_OUT, TimeUnit.SECONDS);//写操作 超时时间
builder.readTimeout(DEFAULT_READ_TIME_OUT, TimeUnit.SECONDS);//读操作 超时时间
//设置头信息
Interceptor headerInterceptor = new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request originalRequest = chain.request();
Request.Builder requestBuilder = originalRequest.newBuilder();
requestBuilder.addHeader("Content-Type", "application/x-www-form-urlencoded");
Request request = requestBuilder.build();
return chain.proceed(request);
}
};
//处理重定向到https
Interceptor RedirectInterceptor = new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request();
HttpUrl beforeUrl = request.url();
Response response = chain.proceed(request);
HttpUrl afterUrl = response.request().url();
//1.根据url判断是否是重定向
if (!beforeUrl.equals(afterUrl)) {
//处理两种情况 1、跨协议 2、原先不是GET请求。
if (!beforeUrl.scheme().equals(afterUrl.scheme()) || !request.method().equals("GET")) {
//重新请求
Request newRequest = request.newBuilder().url(response.request().url()).build();
response = chain.proceed(newRequest);
}
}
return response;
}
};
builder.addInterceptor(headerInterceptor);
builder.addInterceptor(RedirectInterceptor);
//上线注释
builder.addInterceptor(new ChuckInterceptor(BaseApplication.getBaseApp()));
//调试信息
HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor();
loggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
//设置 Debug Log 模式
builder.addInterceptor(loggingInterceptor);
return builder.build();
}
public <T> T create(Class<T> service) {
Retrofit mRetrofit = new Retrofit.Builder()
.client(this.InterceptClient())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.addConverterFactory(GsonConverterFactory.create())
.baseUrl("https://as.dun.163yun.com/")
.build();
return mRetrofit.create(service);
}
public void requestYiDun(String content) {
Map<String, String> params = new HashMap<String, String>();
// 1.设置公共参数
params.put("secretId", SECRETID);
params.put("businessId", BUSINESSID);
params.put("version", "v3.1");
params.put("timestamp", String.valueOf(System.currentTimeMillis()));
params.put("nonce", String.valueOf(new Random().nextInt()));
params.put("content",content);
params.put("dataId", "ebfcad1c-dba1-490c-b4de-e784c2691768");
// 2.生成签名信息
String signature = null;
try {
signature = SignatureUtils.genSignature(SECRETKEY, params);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
params.put("signature", signature);
YiDunUtils.getInstance().create(RetrofitApi.class)
.requestYiDun(params)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new CommonSubscriber<YiDunBean>() {
@Override
public void onSuccess(YiDunBean yiDunBean) {
Log.i("YYYYYY", yiDunBean.toString());
}
@Override
public void onFail(ApiException e) {
Log.i("YYYYY", e.getDisplayMessage());
}
});
}
}
API
/**
* 易盾
*/
@FormUrlEncoded
@POST("v3/text/check")
Observable<YiDunBean> requestYiDun(@FieldMap Map<String,String> params);生成签名
public class SignatureUtils {
/**
* 生成签名信息
*
* @param secretKey 产品私钥
* @param params 接口请求参数名和参数值map，不包括signature参数名
* @return
* @throws
*/
public static String genSignature(String secretKey, Map<String, String> params) throws UnsupportedEncodingException {
// 1. 参数名按照ASCII码表升序排序
String[] keys = params.keySet().toArray(new String[0]);
Arrays.sort(keys);
// 2. 按照排序拼接参数名与参数值
StringBuffer paramBuffer = new StringBuffer();
for (String key : keys) {
paramBuffer.append(key).append(params.get(key) == null ? "" : params.get(key));
}
// 3. 将secretKey拼接到最后
paramBuffer.append(secretKey);
// 4. MD5是128位长度的摘要算法，用16进制表示，一个十六进制的字符能表示4个位，所以签名后的字符串长度固定为32个十六进制字符。
return DigestUtils.md5(paramBuffer.toString());
}
}
MD5
public class DigestUtils {
/**
* Used to build output as Hex
*/
private static final char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
'e', 'f' };
/**
* encode By MD5
*
* @param str
* @return String
*/
public static String md5(String str) {
if (str == null) {
return null;
}
try {
MessageDigest messageDigest = MessageDigest.getInstance("MD5");
messageDigest.update(str.getBytes());
return new String(encodeHex(messageDigest.digest()));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
* The returned array will be double the length of the passed array, as it takes two characters to represent any
* given byte.
*
* @param data a byte[] to convert to Hex characters
* @return A char[] containing hexadecimal characters
*/
protected static char[] encodeHex(final byte[] data) {
final int l = data.length;
final char[] out = new char[l << 1];
// two characters form the hex value.
for (int i = 0, j = 0; i < l; i++) {
out[j++] = DIGITS_LOWER[(0xF0 & data[i]) >>> 4];
out[j++] = DIGITS_LOWER[0x0F & data[i]];
}
return out;
}
}OKOK
PS：本不是我大 Android 的活 ，奈何我们是 Java 。
