序
最近老不舒服了 。
直接開始 。
項目有個需求對學員在看直播發送的聊天消息進行監測 。大概意思就是需要進行管控 。選擇了第三方 網易的易盾 。
看完文檔發現這個易盾是服務端使用的 ,文檔裏面根本沒有客戶端的東西 。好在服務端有 Java 語言 ,所以看着 Java 還是能搞明白的 ,但是 IOS 同事就尷尬了 。
直接上代碼 。
工具類 。
public class YiDunUtils {
private static YiDunUtils mInstance;
private static final int DEFAULT_TIME_OUT = 20;//超時時間 5s
private static final int DEFAULT_READ_TIME_OUT = 20;
/**
* 產品密鑰ID,產品標識
*/
private final static String SECRETID = "------";
/**
* 產品私有密鑰,服務端生成簽名信息使用,請嚴格保管,避免泄露
*/
private final static String SECRETKEY = "-----------";
/**
* 業務ID,易盾根據產品業務特點分配
*/
private final static String BUSINESSID = "----------";
/**
* 易盾反垃圾雲服務文本離線檢測結果獲取接口地址
*/
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);
// 創建 OKHttpClient
final OkHttpClient.Builder builder = new OkHttpClient.Builder();
builder.connectTimeout(DEFAULT_TIME_OUT, TimeUnit.SECONDS);//連接超時時間
builder.writeTimeout(DEFAULT_READ_TIME_OUT, TimeUnit.SECONDS);//寫操作 超時時間
builder.readTimeout(DEFAULT_READ_TIME_OUT, TimeUnit.SECONDS);//讀操作 超時時間
//設置頭信息
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);
}
};
//處理重定向到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.根據url判斷是否是重定向
if (!beforeUrl.equals(afterUrl)) {
//處理兩種情況 1、跨協議 2、原先不是GET請求。
if (!beforeUrl.scheme().equals(afterUrl.scheme()) || !request.method().equals("GET")) {
//重新請求
Request newRequest = request.newBuilder().url(response.request().url()).build();
response = chain.proceed(newRequest);
}
}
return response;
}
};
builder.addInterceptor(headerInterceptor);
builder.addInterceptor(RedirectInterceptor);
//上線註釋
builder.addInterceptor(new ChuckInterceptor(BaseApplication.getBaseApp()));
//調試信息
HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor();
loggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
//設置 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.設置公共參數
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.生成簽名信息
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);
生成簽名
public class SignatureUtils {
/**
* 生成簽名信息
*
* @param secretKey 產品私鑰
* @param params 接口請求參數名和參數值map,不包括signature參數名
* @return
* @throws
*/
public static String genSignature(String secretKey, Map<String, String> params) throws UnsupportedEncodingException {
// 1. 參數名按照ASCII碼錶升序排序
String[] keys = params.keySet().toArray(new String[0]);
Arrays.sort(keys);
// 2. 按照排序拼接參數名與參數值
StringBuffer paramBuffer = new StringBuffer();
for (String key : keys) {
paramBuffer.append(key).append(params.get(key) == null ? "" : params.get(key));
}
// 3. 將secretKey拼接到最後
paramBuffer.append(secretKey);
// 4. MD5是128位長度的摘要算法,用16進製表示,一個十六進制的字符能表示4個位,所以簽名後的字符串長度固定爲32個十六進制字符。
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 ,奈何我們是 Java 。