Implement Eulerstream send chat API endpoint!

API/src/main/java/io/github/jwdeveloper/tiktok/http/LiveHttpClient.java

@@ -26,6 +26,7 @@ import io.github.jwdeveloper.tiktok.data.requests.GiftsData;
 import io.github.jwdeveloper.tiktok.data.requests.LiveConnectionData;
 import io.github.jwdeveloper.tiktok.data.requests.LiveData;
 import io.github.jwdeveloper.tiktok.data.requests.LiveUserData;
+import io.github.jwdeveloper.tiktok.live.LiveRoomInfo;
 
 public interface LiveHttpClient
 {
@@ -64,4 +65,6 @@ public interface LiveHttpClient
     }
 
     LiveConnectionData.Response fetchLiveConnectionData(LiveConnectionData.Request request);
+
+    boolean sendChat(LiveRoomInfo roomInfo, String content);
 }

API/src/main/java/io/github/jwdeveloper/tiktok/live/LiveClient.java

@@ -36,7 +36,6 @@ public interface LiveClient {
      */
     void connect();
 
-
     /**
      * Connects in asynchronous way
      * When connected Consumer returns instance of LiveClient
@@ -48,7 +47,6 @@ public interface LiveClient {
      */
     CompletableFuture<LiveClient> connectAsync();
 
-
     /**
      * Disconnects the connection.
      * @param type
@@ -68,7 +66,6 @@ public interface LiveClient {
      */
     void publishEvent(TikTokEvent event);
 
-
     /**
      * @param webcastMessageName name of TikTok protocol-buffer message
      * @param payloadBase64      protocol-buffer message bytes payload
@@ -96,4 +93,12 @@ public interface LiveClient {
      * Logger
      */
     Logger getLogger();
+
+    /**
+     * Send a chat message to the connected room
+     * @return true if successful, otherwise false
+     * @apiNote This is known to return true on some sessionIds despite failing!
+     * <p>We cannot fix this as it is a TikTok issue, not a library issue.
+     */
+    boolean sendChat(String content);
 }

Client/src/main/java/io/github/jwdeveloper/tiktok/TikTokLiveClient.java

@@ -183,6 +183,11 @@ public class TikTokLiveClient implements LiveClient
         messageHandler.handleSingleMessage(this, message);
     }
 
+    @Override
+    public boolean sendChat(String content) {
+        return httpClient.sendChat(roomInfo, content);
+    }
+
     public void connectAsync(Consumer<LiveClient> onConnection) {
         connectAsync().thenAccept(onConnection);
     }

Client/src/main/java/io/github/jwdeveloper/tiktok/TikTokLiveHttpClient.java

@@ -22,6 +22,7 @@
  */
 package io.github.jwdeveloper.tiktok;
 
+import com.google.gson.JsonObject;
 import com.google.protobuf.InvalidProtocolBufferException;
 import io.github.jwdeveloper.dependance.injector.api.annotations.Inject;
 import io.github.jwdeveloper.tiktok.common.*;
@@ -30,9 +31,10 @@ import io.github.jwdeveloper.tiktok.data.settings.LiveClientSettings;
 import io.github.jwdeveloper.tiktok.exceptions.*;
 import io.github.jwdeveloper.tiktok.http.*;
 import io.github.jwdeveloper.tiktok.http.mappers.*;
+import io.github.jwdeveloper.tiktok.live.LiveRoomInfo;
 import io.github.jwdeveloper.tiktok.messages.webcast.ProtoMessageFetchResult;
 
-import java.net.http.HttpResponse;
+import java.net.http.*;
 import java.util.function.Consumer;
 import java.util.logging.Logger;
 
@@ -42,6 +44,7 @@ public class TikTokLiveHttpClient implements LiveHttpClient
 	 * <a href="https://github-wiki-see.page/m/isaackogan/TikTokLive/wiki/All-About-Signatures">Signing API by Isaac Kogan</a>
 	 */
     private static final String TIKTOK_SIGN_API = "https://tiktok.eulerstream.com/webcast/fetch";
+    private static final String TIKTOK_CHAT_URL = "https://tiktok.eulerstream.com/webcast/chat";
     private static final String TIKTOK_URL_WEB = "https://www.tiktok.com/";
     private static final String TIKTOK_URL_WEBCAST = "https://webcast.tiktok.com/webcast/";
     public static final String TIKTOK_ROOM_GIFTS_URL = TIKTOK_URL_WEBCAST+"gift/list/";
@@ -182,6 +185,33 @@ public class TikTokLiveHttpClient implements LiveHttpClient
         }
     }
 
+    @Override
+    public boolean sendChat(LiveRoomInfo roomInfo, String content) {
+        var proxyClientSettings = clientSettings.getHttpSettings().getProxyClientSettings();
+        if (proxyClientSettings.isEnabled()) {
+            while (proxyClientSettings.hasNext()) {
+                try {
+                    return requestSendChat(roomInfo, content);
+                } catch (TikTokProxyRequestException ignored) {}
+            }
+        }
+        return requestSendChat(roomInfo, content);
+    }
+
+    public boolean requestSendChat(LiveRoomInfo roomInfo, String content) {
+        JsonObject body = new JsonObject();
+        body.addProperty("content", content);
+        body.addProperty("sessionId", clientSettings.getSessionId());
+        body.addProperty("ttTargetIdc", clientSettings.getTtTargetIdc());
+        body.addProperty("roomId", roomInfo.getRoomId());
+        var result = httpFactory.client(TIKTOK_CHAT_URL)
+            .withHeader("Content-Type", "application/json")
+            .withBody(HttpRequest.BodyPublishers.ofString(body.toString()))
+            .build()
+            .toJsonResponse();
+        return result.isSuccess();
+    }
+
     protected ActionResult<HttpResponse<byte[]>> getStartingPayload(LiveConnectionData.Request request) {
         var proxyClientSettings = clientSettings.getHttpSettings().getProxyClientSettings();
         if (proxyClientSettings.isEnabled()) {

Client/src/main/java/io/github/jwdeveloper/tiktok/TikTokLiveHttpOfflineClient.java

@@ -26,6 +26,7 @@ import io.github.jwdeveloper.tiktok.data.models.Picture;
 import io.github.jwdeveloper.tiktok.data.models.users.User;
 import io.github.jwdeveloper.tiktok.data.requests.*;
 import io.github.jwdeveloper.tiktok.http.LiveHttpClient;
+import io.github.jwdeveloper.tiktok.live.LiveRoomInfo;
 import io.github.jwdeveloper.tiktok.messages.webcast.ProtoMessageFetchResult;
 
 import java.net.URI;
@@ -61,4 +62,10 @@ public class TikTokLiveHttpOfflineClient implements LiveHttpClient {
             URI.create("https://example.live"),
             ProtoMessageFetchResult.newBuilder().build());
     }
+
+    @Override
+    public boolean sendChat(LiveRoomInfo roomInfo, String content) {
+        // DO NOTHING
+        return false;
+    }
 }

Client/src/main/java/io/github/jwdeveloper/tiktok/http/HttpClient.java

@@ -40,11 +40,12 @@ public class HttpClient {
 
     protected final HttpClientSettings httpClientSettings;
     protected final String url;
+    protected final HttpRequest.BodyPublisher bodyPublisher;
     private final Pattern pattern = Pattern.compile("charset=(.*?)(?=&|$)");
 
     public <T> ActionResult<HttpResponse<T>> toHttpResponse(HttpResponse.BodyHandler<T> handler) {
         var client = prepareClient();
-        var request = prepareGetRequest();
+        var request = prepareRequest();
         try {
             var response = client.send(request, handler);
             var result = ActionResult.of(response);
@@ -99,8 +100,13 @@ public class HttpClient {
         return URI.create(stringUrl);
     }
 
-    protected HttpRequest prepareGetRequest() {
+    /**
-        var requestBuilder = HttpRequest.newBuilder().GET();
+     * @return {@link HttpRequest} with default GET, otherwise POST if {@link #bodyPublisher} is not null
+     */
+    protected HttpRequest prepareRequest() {
+        var requestBuilder = HttpRequest.newBuilder();
+        if (bodyPublisher != null)
+            requestBuilder.POST(bodyPublisher);
         requestBuilder.uri(toUri());
         requestBuilder.timeout(httpClientSettings.getTimeout());
         if (!httpClientSettings.getCookies().isEmpty()) {
@@ -124,12 +130,10 @@ public class HttpClient {
     }
 
     protected String prepareUrlWithParameters(String url, Map<String, Object> parameters) {
-        if (parameters.isEmpty()) {
+        if (parameters.isEmpty())
 			return url;
-        }
 
-        return url + "?" + parameters.entrySet().stream().map(entry ->
+        return url + "?" + parameters.entrySet().stream().map(entry -> {
-        {
             var encodedKey = URLEncoder.encode(entry.getKey(), StandardCharsets.UTF_8);
             var encodedValue = URLEncoder.encode(entry.getValue().toString(), StandardCharsets.UTF_8);
             return encodedKey + "=" + encodedValue;

Client/src/main/java/io/github/jwdeveloper/tiktok/http/HttpClientBuilder.java

@@ -24,6 +24,7 @@ package io.github.jwdeveloper.tiktok.http;
 
 import io.github.jwdeveloper.tiktok.data.settings.HttpClientSettings;
 
+import java.net.http.HttpRequest;
 import java.util.Map;
 import java.util.function.Consumer;
 
@@ -31,6 +32,7 @@ public class HttpClientBuilder {
 
     private final HttpClientSettings httpClientSettings;
     private String url;
+    private HttpRequest.BodyPublisher bodyPublisher;
 
     public HttpClientBuilder(String url, HttpClientSettings httpClientSettings) {
         this.httpClientSettings = httpClientSettings;
@@ -78,10 +80,15 @@ public class HttpClientBuilder {
         return this;
     }
 
+    public HttpClientBuilder withBody(HttpRequest.BodyPublisher bodyPublisher) {
+        this.bodyPublisher = bodyPublisher;
+        return this;
+    }
+
     public HttpClient build() {
         var proxyClientSettings = httpClientSettings.getProxyClientSettings();
         if (proxyClientSettings.isEnabled() && proxyClientSettings.hasNext())
-            return new HttpProxyClient(httpClientSettings, url);
+            return new HttpProxyClient(httpClientSettings, url, bodyPublisher);
-        return new HttpClient(httpClientSettings, url);
+        return new HttpClient(httpClientSettings, url, bodyPublisher);
     }
 }

Client/src/main/java/io/github/jwdeveloper/tiktok/http/HttpProxyClient.java

@@ -40,8 +40,8 @@ public class HttpProxyClient extends HttpClient {
 
 	private final ProxyClientSettings proxySettings;
 
-	public HttpProxyClient(HttpClientSettings httpClientSettings, String url) {
+	public HttpProxyClient(HttpClientSettings httpClientSettings, String url, HttpRequest.BodyPublisher bodyPublisher) {
-		super(httpClientSettings, url);
+		super(httpClientSettings, url, bodyPublisher);
 		this.proxySettings = httpClientSettings.getProxyClientSettings();
 	}
 
@@ -65,7 +65,7 @@ public class HttpProxyClient extends HttpClient {
 
 				httpClientSettings.getOnClientCreating().accept(builder);
 				var client = builder.build();
-				var request = prepareGetRequest();
+				var request = prepareRequest();
 
 				var response = client.send(request, HttpResponse.BodyHandlers.ofByteArray());
 				if (response.statusCode() != 200)