app: use github api to check updates

app/core/src/main/java/com/topjohnwu/magisk/core/Const.kt

@@ -43,8 +43,7 @@ object Const {
         const val PATREON_URL = "https://www.patreon.com/topjohnwu"
         const val SOURCE_CODE_URL = "https://github.com/topjohnwu/Magisk"
 
-        val CHANGELOG_URL = if (APP_IS_CANARY) Info.remote.magisk.note
-        else "https://topjohnwu.github.io/Magisk/releases/${BuildConfig.APP_VERSION_CODE}.md"
+        const val CHANGELOG_URL = "https://topjohnwu.github.io/Magisk/releases/${BuildConfig.APP_VERSION_CODE}.md"
 
         const val GITHUB_RAW_URL = "https://raw.githubusercontent.com/"
         const val GITHUB_API_URL = "https://api.github.com/"

app/core/src/main/java/com/topjohnwu/magisk/core/data/NetworkServices.kt

@@ -1,25 +1,16 @@
 package com.topjohnwu.magisk.core.data
 
-import com.topjohnwu.magisk.core.model.BranchInfo
 import com.topjohnwu.magisk.core.model.ModuleJson
+import com.topjohnwu.magisk.core.model.Release
 import com.topjohnwu.magisk.core.model.UpdateInfo
 import okhttp3.ResponseBody
 import retrofit2.http.GET
 import retrofit2.http.Headers
 import retrofit2.http.Path
+import retrofit2.http.Query
 import retrofit2.http.Streaming
 import retrofit2.http.Url
 
-private const val BRANCH = "branch"
-private const val REPO = "repo"
-private const val FILE = "file"
-
-interface GithubPageServices {
-
-    @GET
-    suspend fun fetchUpdateJSON(@Url file: String): UpdateInfo
-}
-
 interface RawServices {
 
     @GET
@@ -32,14 +23,26 @@ interface RawServices {
     @GET
     suspend fun fetchModuleJson(@Url url: String): ModuleJson
 
+    @GET
+    suspend fun fetchUpdateJSON(@Url url: String): UpdateInfo
+
 }
 
 interface GithubApiServices {
 
-    @GET("repos/{$REPO}/branches/{$BRANCH}")
-    @Headers("Accept: application/vnd.github.v3+json")
-    suspend fun fetchBranch(
-        @Path(REPO, encoded = true) repo: String,
-        @Path(BRANCH) branch: String
-    ): BranchInfo
+    @GET("/repos/{owner}/{repo}/releases")
+    @Headers("Accept: application/vnd.github+json")
+    suspend fun fetchRelease(
+        @Path("owner") owner: String = "topjohnwu",
+        @Path("repo") repo: String = "Magisk",
+        @Query("per_page") per: Int = 10,
+        @Query("page") page: Int = 1,
+    ): List<Release>
+
+    @GET("/repos/{owner}/{repo}/releases/latest")
+    @Headers("Accept: application/vnd.github+json")
+    suspend fun fetchLatestRelease(
+        @Path("owner") owner: String = "topjohnwu",
+        @Path("repo") repo: String = "Magisk",
+    ): Release
 }

app/core/src/main/java/com/topjohnwu/magisk/core/di/ServiceLocator.kt

@@ -35,8 +35,8 @@ object ServiceLocator {
     val markwon by lazy { createMarkwon(AppContext) }
     val networkService by lazy {
         NetworkService(
-            createApiService(retrofit, Const.Url.GITHUB_PAGE_URL),
             createApiService(retrofit, Const.Url.GITHUB_RAW_URL),
+            createApiService(retrofit, Const.Url.GITHUB_API_URL),
         )
     }
 }

app/core/src/main/java/com/topjohnwu/magisk/core/model/UpdateInfo.kt

@@ -27,11 +27,16 @@ data class ModuleJson(
 )
 
 @JsonClass(generateAdapter = true)
-data class CommitInfo(
-    val sha: String
+data class ReleaseAssets(
+    val name: String,
+    val browser_download_url: String,
 )
 
 @JsonClass(generateAdapter = true)
-data class BranchInfo(
-    val commit: CommitInfo
+data class Release(
+    val tag_name: String,
+    val name: String,
+    val prerelease: Boolean,
+    val assets: List<ReleaseAssets>,
+    val body: String,
 )

app/core/src/main/java/com/topjohnwu/magisk/core/repository/NetworkService.kt

@@ -8,15 +8,18 @@ import com.topjohnwu.magisk.core.Config.Value.DEBUG_CHANNEL
 import com.topjohnwu.magisk.core.Config.Value.DEFAULT_CHANNEL
 import com.topjohnwu.magisk.core.Config.Value.STABLE_CHANNEL
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.data.GithubPageServices
+import com.topjohnwu.magisk.core.data.GithubApiServices
 import com.topjohnwu.magisk.core.data.RawServices
+import com.topjohnwu.magisk.core.model.MagiskJson
+import com.topjohnwu.magisk.core.model.Release
+import com.topjohnwu.magisk.core.model.UpdateInfo
 import retrofit2.HttpException
 import timber.log.Timber
 import java.io.IOException
 
 class NetworkService(
-    private val pages: GithubPageServices,
-    private val raw: RawServices
+    private val raw: RawServices,
+    private val api: GithubApiServices,
 ) {
     suspend fun fetchUpdate() = safe {
         var info = when (Config.updateChannel) {
@@ -36,11 +39,39 @@ class NetworkService(
     }
 
     // UpdateInfo
-    private suspend fun fetchStableUpdate() = pages.fetchUpdateJSON("stable.json")
-    private suspend fun fetchBetaUpdate() = pages.fetchUpdateJSON("beta.json")
-    private suspend fun fetchCanaryUpdate() = pages.fetchUpdateJSON("canary.json")
-    private suspend fun fetchDebugUpdate() = pages.fetchUpdateJSON("debug.json")
-    private suspend fun fetchCustomUpdate(url: String) = pages.fetchUpdateJSON(url)
+    private suspend fun fetchStableUpdate(rel: Release? = null): UpdateInfo {
+        val release = rel ?: api.fetchLatestRelease()
+        val name = release.tag_name.drop(1)
+        val info = MagiskJson(
+            name, (name.toFloat() * 1000).toInt(),
+            release.assets[0].browser_download_url, release.body
+        )
+        return UpdateInfo(info)
+    }
+
+    private suspend fun fetchBetaUpdate(): UpdateInfo {
+        val release = api.fetchRelease().find { it.tag_name[0] == 'v' && it.prerelease }
+        return fetchStableUpdate(release)
+    }
+
+    private suspend fun fetchCanaryUpdate(): UpdateInfo {
+        val release = api.fetchRelease().find { it.tag_name.startsWith("canary-") }
+        val info = MagiskJson(
+            release!!.name.substring(8, 16),
+            release.tag_name.drop(7).toInt(),
+            release.assets.find { it.name == "app-release.apk" }!!.browser_download_url,
+            release.body
+        )
+        return UpdateInfo(info)
+    }
+
+    private suspend fun fetchDebugUpdate(): UpdateInfo {
+        val release = fetchCanaryUpdate()
+        val link = release.magisk.link.replace("app-release.apk", "app-debug.apk")
+        return UpdateInfo(release.magisk.copy(link = link))
+    }
+
+    private suspend fun fetchCustomUpdate(url: String) = raw.fetchUpdateJSON(url)
 
     private inline fun <T> safe(factory: () -> T): T? {
         return try {