SC model-dependent CDN host for master playlist

common/pom.xml

@@ -94,6 +94,11 @@
             <artifactId>commons-collections</artifactId>
             <version>3.2.2</version>
         </dependency>    
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-text</artifactId>
+            <version>1.7</version>
+        </dependency>
     </dependencies>
 
     <build>

common/src/main/java/ctbrec/sites/stripchat/StripchatModel.java

@@ -16,6 +16,8 @@ import lombok.extern.slf4j.Slf4j;
 import okhttp3.Request;
 import okhttp3.RequestBody;
 import okhttp3.Response;
+
+import org.apache.commons.text.StringSubstitutor;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
@@ -30,6 +32,8 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
 import java.util.concurrent.ExecutionException;
+import java.util.HashMap;
+import java.util.Map;
 
 import static ctbrec.Model.State.*;
 import static ctbrec.io.HttpConstants.*;
@@ -197,6 +201,26 @@ public class StripchatModel extends AbstractModel {
         }
     }
     
+    private String getHlsUrlTemplate() throws IOException {
+        log.trace("Loading URL template for {}", getName());
+        Request req = new Request.Builder()
+                .url(getSite().getBaseUrl() + "/api/front/v3/config/initial?requestPath=%2F" + getName() + "&timezoneOffset=0")
+                .header(USER_AGENT, Config.getInstance().getSettings().httpUserAgent)
+                .build();
+        try (Response response = getSite().getHttpClient().execute(req)) {
+            if (response.isSuccessful()) {
+                JSONObject jsonResponse = new JSONObject(response.body().string());
+                var common = jsonResponse.getJSONObject("initial").getJSONObject("common");
+                var urlTemplate = common.getString("hlsStreamUrlTemplate");
+                var host = common.getString("hlsStreamHost");
+                
+                return urlTemplate.replace("{cdnHost}", host);
+            } else {
+                throw new HttpException(response.code(), response.message());
+            }
+        }
+    }
+
     private String getMasterPlaylistUrl() throws IOException {
         JSONObject info = getModelInfo();
         if (info.has("user")) {
@@ -215,8 +239,15 @@ public class StripchatModel extends AbstractModel {
                     log.debug("Spy start for {}", getName());
                 }
             }
-            String hlsUrlTemplate = "https://edge-hls.doppiocdn.com/hls/{0}{1}/master/{0}{1}_auto.m3u8?playlistType=Standart{2}";
+            
-            return MessageFormat.format(hlsUrlTemplate, String.valueOf(id), vrSuffix, token);
+            // the master playlist host can vary per model
+            String hlsUrlTemplate = getHlsUrlTemplate();
+            Map<String, Object> params = new HashMap<>();
+            params.put("streamName", String.valueOf(id) + vrSuffix);
+            params.put("suffix", "_auto");
+            
+            var result = StringSubstitutor.replace(hlsUrlTemplate, params, "{", "}") + "?playlistType=Standart" + token;
+            return result;
         } else {
             throw new IOException("Playlist URL not found");
         }