feat(MediaService/Local): implement SponsorBlock support

Allows users to use SponsorBlock when using full local mode.

Closes: libre-tube#7193

Author: FineFindus

app/src/main/java/com/github/libretube/api/ExternalApi.kt

@@ -3,12 +3,14 @@ package com.github.libretube.api
 import com.github.libretube.api.obj.DeArrowBody
 import com.github.libretube.api.obj.PipedConfig
 import com.github.libretube.api.obj.PipedInstance
+import com.github.libretube.api.obj.SegmentData
 import com.github.libretube.api.obj.SubmitSegmentResponse
 import com.github.libretube.api.obj.VoteInfo
 import com.github.libretube.obj.update.UpdateInfo
 import retrofit2.http.Body
 import retrofit2.http.GET
 import retrofit2.http.POST
+import retrofit2.http.Path
 import retrofit2.http.Query
 import retrofit2.http.Url
 
@@ -43,6 +45,13 @@ interface ExternalApi {
         @Query("description") description: String = ""
     ): List<SubmitSegmentResponse>
 
+    @GET("$SB_API_URL/api/skipSegments/{videoId}")
+    suspend fun getSegments(
+        @Path("videoId") videoId: String,
+        @Query("category") category: List<String>,
+        @Query("actionType") actionType: List<String>? = null
+    ): List<SegmentData>
+
     @POST("$SB_API_URL/api/branding")
     suspend fun submitDeArrow(@Body body: DeArrowBody)
 

app/src/main/java/com/github/libretube/api/NewPipeMediaServiceRepository.kt

@@ -48,6 +48,7 @@ import org.schabi.newpipe.extractor.stream.AudioStream
 import org.schabi.newpipe.extractor.stream.StreamInfo
 import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.extractor.stream.VideoStream
+import java.security.MessageDigest
 
 
 private fun VideoStream.toPipedStream() = PipedStream(
@@ -319,11 +320,24 @@ class NewPipeMediaServiceRepository : MediaServiceRepository {
         )
     }
 
+    @OptIn(ExperimentalStdlibApi::class)
     override suspend fun getSegments(
         videoId: String,
-        category: String,
-        actionType: String?
-    ): SegmentData = SegmentData()
+        category: List<String>,
+        actionType: List<String>?
+    ): SegmentData {
+        // use hashed video id for privacy
+        // https://wiki.sponsor.ajay.app/w/API_Docs#GET_/api/skipSegments/:sha256HashPrefix
+        val hashedId = MessageDigest.getInstance("SHA-256")
+            .digest(videoId.toByteArray())
+            .toHexString()
+
+        return RetrofitInstance.externalApi.getSegments(
+            hashedId.substring(0..4),
+            category,
+            actionType
+        ).first { it.videoID == videoId }
+    }
 
     override suspend fun getDeArrowContent(videoIds: String): Map<String, DeArrowContent> =
         emptyMap()