diff --git a/build.gradle.kts b/build.gradle.kts
index e7152164..e47ed1e1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -89,6 +89,6 @@ configure(projects) {
 
 
         // dependency both in AndroidCompat and server, version locked by javalin
-        implementation("com.fasterxml.jackson.core:jackson-annotations:2.10.3")
+        implementation("com.fasterxml.jackson.core:jackson-annotations:2.12.4")
     }
 }
\ No newline at end of file
diff --git a/server/build.gradle.kts b/server/build.gradle.kts
index 50509cea..35306623 100644
--- a/server/build.gradle.kts
+++ b/server/build.gradle.kts
@@ -31,10 +31,10 @@ dependencies {
     implementation("com.squareup.okio:okio:2.10.0")
 
     // Javalin api
-    implementation("io.javalin:javalin:3.13.11")
+    implementation("io.javalin:javalin:4.0.0")
     // jackson version locked by javalin, ref: `io.javalin.core.util.OptionalDependency`
-    implementation("com.fasterxml.jackson.core:jackson-databind:2.10.3")
-    implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.10.3")
+    implementation("com.fasterxml.jackson.core:jackson-databind:2.12.4")
+    implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.12.4")
 
     // Exposed ORM
     val exposedVersion = "0.34.1"
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/anime/AnimeAPI.kt b/server/src/main/kotlin/suwayomi/tachidesk/anime/AnimeAPI.kt
index 665c1f22..49018516 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/anime/AnimeAPI.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/anime/AnimeAPI.kt
@@ -28,7 +28,7 @@ object AnimeAPI {
     fun defineEndpoints(app: Javalin) {
         // list all extensions
         app.get("/api/v1/anime/extension/list") { ctx ->
-            ctx.json(
+            ctx.future(
                 future {
                     getExtensionList()
                 }
@@ -36,10 +36,10 @@ object AnimeAPI {
         }
 
         // install extension identified with "pkgName"
-        app.get("/api/v1/anime/extension/install/:pkgName") { ctx ->
+        app.get("/api/v1/anime/extension/install/{pkgName}") { ctx ->
             val pkgName = ctx.pathParam("pkgName")
 
-            ctx.json(
+            ctx.future(
                 future {
                     installExtension(pkgName)
                 }
@@ -47,10 +47,10 @@ object AnimeAPI {
         }
 
         // update extension identified with "pkgName"
-        app.get("/api/v1/anime/extension/update/:pkgName") { ctx ->
+        app.get("/api/v1/anime/extension/update/{pkgName}") { ctx ->
             val pkgName = ctx.pathParam("pkgName")
 
-            ctx.json(
+            ctx.future(
                 future {
                     updateExtension(pkgName)
                 }
@@ -58,7 +58,7 @@ object AnimeAPI {
         }
 
         // uninstall extension identified with "pkgName"
-        app.get("/api/v1/anime/extension/uninstall/:pkgName") { ctx ->
+        app.get("/api/v1/anime/extension/uninstall/{pkgName}") { ctx ->
             val pkgName = ctx.pathParam("pkgName")
 
             uninstallExtension(pkgName)
@@ -66,10 +66,10 @@ object AnimeAPI {
         }
 
         // icon for extension named `apkName`
-        app.get("/api/v1/anime/extension/icon/:apkName") { ctx -> // TODO: move to pkgName
+        app.get("/api/v1/anime/extension/icon/{apkName}") { ctx -> // TODO: move to pkgName
             val apkName = ctx.pathParam("apkName")
 
-            ctx.result(
+            ctx.future(
                 future { getExtensionIcon(apkName) }
                     .thenApply {
                         ctx.header("content-type", it.second)
@@ -84,16 +84,16 @@ object AnimeAPI {
         }
 
         // fetch source with id `sourceId`
-        app.get("/api/v1/anime/source/:sourceId") { ctx ->
+        app.get("/api/v1/anime/source/{sourceId}") { ctx ->
             val sourceId = ctx.pathParam("sourceId").toLong()
             ctx.json(getAnimeSource(sourceId))
         }
 
         // popular animes from source with id `sourceId`
-        app.get("/api/v1/anime/source/:sourceId/popular/:pageNum") { ctx ->
+        app.get("/api/v1/anime/source/{sourceId}/popular/{pageNum}") { ctx ->
             val sourceId = ctx.pathParam("sourceId").toLong()
             val pageNum = ctx.pathParam("pageNum").toInt()
-            ctx.json(
+            ctx.future(
                 future {
                     getAnimeList(sourceId, pageNum, popular = true)
                 }
@@ -101,10 +101,10 @@ object AnimeAPI {
         }
 
         // latest animes from source with id `sourceId`
-        app.get("/api/v1/anime/source/:sourceId/latest/:pageNum") { ctx ->
+        app.get("/api/v1/anime/source/{sourceId}/latest/{pageNum}") { ctx ->
             val sourceId = ctx.pathParam("sourceId").toLong()
             val pageNum = ctx.pathParam("pageNum").toInt()
-            ctx.json(
+            ctx.future(
                 future {
                     getAnimeList(sourceId, pageNum, popular = false)
                 }
@@ -112,11 +112,11 @@ object AnimeAPI {
         }
 
         // get anime info
-        app.get("/api/v1/anime/anime/:animeId/") { ctx ->
+        app.get("/api/v1/anime/anime/{animeId}/") { ctx ->
             val animeId = ctx.pathParam("animeId").toInt()
-            val onlineFetch = ctx.queryParam("onlineFetch", "false").toBoolean()
+            val onlineFetch = ctx.queryParam("onlineFetch")?.toBoolean() ?: false
 
-            ctx.json(
+            ctx.future(
                 future {
                     getAnime(animeId, onlineFetch)
                 }
@@ -124,10 +124,10 @@ object AnimeAPI {
         }
 
         // anime thumbnail
-        app.get("api/v1/anime/anime/:animeId/thumbnail") { ctx ->
+        app.get("api/v1/anime/anime/{animeId}/thumbnail") { ctx ->
             val animeId = ctx.pathParam("animeId").toInt()
 
-            ctx.result(
+            ctx.future(
                 future { getAnimeThumbnail(animeId) }
                     .thenApply {
                         ctx.header("content-type", it.second)
@@ -137,13 +137,13 @@ object AnimeAPI {
         }
 //
 //        // list manga's categories
-//        app.get("api/v1/manga/:mangaId/category/") { ctx ->
+//        app.get("api/v1/manga/{mangaId}/category/") { ctx ->
 //            val mangaId = ctx.pathParam("mangaId").toInt()
 //            ctx.json(getMangaCategories(mangaId))
 //        }
 //
 //        // adds the manga to category
-//        app.get("api/v1/manga/:mangaId/category/:categoryId") { ctx ->
+//        app.get("api/v1/manga/{mangaId}/category/{categoryId}") { ctx ->
 //            val mangaId = ctx.pathParam("mangaId").toInt()
 //            val categoryId = ctx.pathParam("categoryId").toInt()
 //            addMangaToCategory(mangaId, categoryId)
@@ -151,7 +151,7 @@ object AnimeAPI {
 //        }
 //
 //        // removes the manga from the category
-//        app.delete("api/v1/manga/:mangaId/category/:categoryId") { ctx ->
+//        app.delete("api/v1/manga/{mangaId}/category/{categoryId}") { ctx ->
 //            val mangaId = ctx.pathParam("mangaId").toInt()
 //            val categoryId = ctx.pathParam("categoryId").toInt()
 //            removeMangaFromCategory(mangaId, categoryId)
@@ -159,23 +159,23 @@ object AnimeAPI {
 //        }
 //
         // get episode list when showing a anime
-        app.get("/api/v1/anime/anime/:animeId/episodes") { ctx ->
+        app.get("/api/v1/anime/anime/{animeId}/episodes") { ctx ->
             val animeId = ctx.pathParam("animeId").toInt()
 
             val onlineFetch = ctx.queryParam("onlineFetch")?.toBoolean()
 
-            ctx.json(future { getEpisodeList(animeId, onlineFetch) })
+            ctx.future(future { getEpisodeList(animeId, onlineFetch) })
         }
 
         // used to display a episode, get a episode in order to show it's <Quality pending>
-        app.get("/api/v1/anime/anime/:animeId/episode/:episodeIndex") { ctx ->
+        app.get("/api/v1/anime/anime/{animeId}/episode/{episodeIndex}") { ctx ->
             val episodeIndex = ctx.pathParam("episodeIndex").toInt()
             val animeId = ctx.pathParam("animeId").toInt()
-            ctx.json(future { getEpisode(episodeIndex, animeId) })
+            ctx.future(future { getEpisode(episodeIndex, animeId) })
         }
 
         // used to modify a episode's parameters
-        app.patch("/api/v1/anime/anime/:animeId/episode/:episodeIndex") { ctx ->
+        app.patch("/api/v1/anime/anime/{animeId}/episode/{episodeIndex}") { ctx ->
             val episodeIndex = ctx.pathParam("episodeIndex").toInt()
             val animeId = ctx.pathParam("animeId").toInt()
 
@@ -190,7 +190,7 @@ object AnimeAPI {
         }
 //
 //        // get page at index "index"
-//        app.get("/api/v1/manga/:mangaId/chapter/:chapterIndex/page/:index") { ctx ->
+//        app.get("/api/v1/manga/{mangaId}/chapter/{chapterIndex}/page/{index}") { ctx ->
 //            val mangaId = ctx.pathParam("mangaId").toInt()
 //            val chapterIndex = ctx.pathParam("chapterIndex").toInt()
 //            val index = ctx.pathParam("index").toInt()
@@ -205,49 +205,49 @@ object AnimeAPI {
 //        }
 //
 //        // submit a chapter for download
-//        app.put("/api/v1/manga/:mangaId/chapter/:chapterIndex/download") { ctx ->
+//        app.put("/api/v1/manga/{mangaId}/chapter/{chapterIndex}/download") { ctx ->
 //            // TODO
 //        }
 //
 //        // cancel a chapter download
-//        app.delete("/api/v1/manga/:mangaId/chapter/:chapterIndex/download") { ctx ->
+//        app.delete("/api/v1/manga/{mangaId}/chapter/{chapterIndex}/download") { ctx ->
 //            // TODO
 //        }
 //
 //        // global search, Not implemented yet
-//        app.get("/api/v1/search/:searchTerm") { ctx ->
+//        app.get("/api/v1/search/{searchTerm}") { ctx ->
 //            val searchTerm = ctx.pathParam("searchTerm")
 //            ctx.json(sourceGlobalSearch(searchTerm))
 //        }
 //
         // single source search
-        app.get("/api/v1/anime/source/:sourceId/search/:searchTerm/:pageNum") { ctx ->
+        app.get("/api/v1/anime/source/{sourceId}/search/{searchTerm}/{pageNum}") { ctx ->
             val sourceId = ctx.pathParam("sourceId").toLong()
             val searchTerm = ctx.pathParam("searchTerm")
             val pageNum = ctx.pathParam("pageNum").toInt()
-            ctx.json(future { sourceSearch(sourceId, searchTerm, pageNum) })
+            ctx.future(future { sourceSearch(sourceId, searchTerm, pageNum) })
         }
 //
 //        // source filter list
-//        app.get("/api/v1/source/:sourceId/filters/") { ctx ->
+//        app.get("/api/v1/source/{sourceId}/filters/") { ctx ->
 //            val sourceId = ctx.pathParam("sourceId").toLong()
 //            ctx.json(sourceFilters(sourceId))
 //        }
 //
 //        // adds the manga to library
-//        app.get("api/v1/manga/:mangaId/library") { ctx ->
+//        app.get("api/v1/manga/{mangaId}/library") { ctx ->
 //            val mangaId = ctx.pathParam("mangaId").toInt()
 //
-//            ctx.result(
+//            ctx.future(
 //                JavalinSetup.future { addMangaToLibrary(mangaId) }
 //            )
 //        }
 //
 //        // removes the manga from the library
-//        app.delete("api/v1/manga/:mangaId/library") { ctx ->
+//        app.delete("api/v1/manga/{mangaId}/library") { ctx ->
 //            val mangaId = ctx.pathParam("mangaId").toInt()
 //
-//            ctx.result(
+//            ctx.future(
 //                JavalinSetup.future { removeMangaFromLibrary(mangaId) }
 //            )
 //        }
@@ -275,7 +275,7 @@ object AnimeAPI {
 //        }
 //
 //        // category modification
-//        app.patch("/api/v1/category/:categoryId") { ctx ->
+//        app.patch("/api/v1/category/{categoryId}") { ctx ->
 //            val categoryId = ctx.pathParam("categoryId").toInt()
 //            val name = ctx.formParam("name")
 //            val isDefault = ctx.formParam("default")?.toBoolean()
@@ -284,7 +284,7 @@ object AnimeAPI {
 //        }
 //
 //        // category re-ordering
-//        app.patch("/api/v1/category/:categoryId/reorder") { ctx ->
+//        app.patch("/api/v1/category/{categoryId}/reorder") { ctx ->
 //            val categoryId = ctx.pathParam("categoryId").toInt()
 //            val from = ctx.formParam("from")!!.toInt()
 //            val to = ctx.formParam("to")!!.toInt()
@@ -293,21 +293,21 @@ object AnimeAPI {
 //        }
 //
 //        // category delete
-//        app.delete("/api/v1/category/:categoryId") { ctx ->
+//        app.delete("/api/v1/category/{categoryId}") { ctx ->
 //            val categoryId = ctx.pathParam("categoryId").toInt()
 //            Category.removeCategory(categoryId)
 //            ctx.status(200)
 //        }
 //
 //        // returns the manga list associated with a category
-//        app.get("/api/v1/category/:categoryId") { ctx ->
+//        app.get("/api/v1/category/{categoryId}") { ctx ->
 //            val categoryId = ctx.pathParam("categoryId").toInt()
 //            ctx.json(getCategoryMangaList(categoryId))
 //        }
 //
 //        // expects a Tachiyomi legacy backup json in the body
 //        app.post("/api/v1/backup/legacy/import") { ctx ->
-//            ctx.result(
+//            ctx.future(
 //                future {
 //                    restoreLegacyBackup(ctx.bodyAsInputStream())
 //                }
@@ -316,7 +316,7 @@ object AnimeAPI {
 //
 //        // expects a Tachiyomi legacy backup json as a file upload, the file must be named "backup.json"
 //        app.post("/api/v1/backup/legacy/import/file") { ctx ->
-//            ctx.result(
+//            ctx.future(
 //                JavalinSetup.future {
 //                    restoreLegacyBackup(ctx.uploadedFile("backup.json")!!.content)
 //                }
@@ -326,7 +326,7 @@ object AnimeAPI {
 //        // returns a Tachiyomi legacy backup json created from the current database as a json body
 //        app.get("/api/v1/backup/legacy/export") { ctx ->
 //            ctx.contentType("application/json")
-//            ctx.result(
+//            ctx.future(
 //                JavalinSetup.future {
 //                    createLegacyBackup(
 //                        BackupFlags(
@@ -348,7 +348,7 @@ object AnimeAPI {
 //            val currentDate = sdf.format(Date())
 //
 //            ctx.header("Content-Disposition", "attachment; filename=\"tachidesk_$currentDate.json\"")
-//            ctx.result(
+//            ctx.future(
 //                JavalinSetup.future {
 //                    createLegacyBackup(
 //                        BackupFlags(
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/MangaAPI.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/MangaAPI.kt
index c24c19e1..922ceb23 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/MangaAPI.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/MangaAPI.kt
@@ -25,59 +25,59 @@ object MangaAPI {
         path("extension") {
             get("list", ExtensionController::list)
 
-            get("install/:pkgName", ExtensionController::install)
+            get("install/{pkgName}", ExtensionController::install)
             post("install", ExtensionController::installFile)
-            get("update/:pkgName", ExtensionController::update)
-            get("uninstall/:pkgName", ExtensionController::uninstall)
+            get("update/{pkgName}", ExtensionController::update)
+            get("uninstall/{pkgName}", ExtensionController::uninstall)
 
-            get("icon/:apkName", ExtensionController::icon)
+            get("icon/{apkName}", ExtensionController::icon)
         }
 
         path("source") {
             get("list", SourceController::list)
-            get(":sourceId", SourceController::retrieve)
+            get("{sourceId}", SourceController::retrieve)
 
-            get(":sourceId/popular/:pageNum", SourceController::popular)
-            get(":sourceId/latest/:pageNum", SourceController::latest)
+            get("{sourceId}/popular/{pageNum}", SourceController::popular)
+            get("{sourceId}/latest/{pageNum}", SourceController::latest)
 
-            get(":sourceId/preferences", SourceController::getPreferences)
-            post(":sourceId/preferences", SourceController::setPreference)
+            get("{sourceId}/preferences", SourceController::getPreferences)
+            post("{sourceId}/preferences", SourceController::setPreference)
 
-            get(":sourceId/filters", SourceController::filters)
+            get("{sourceId}/filters", SourceController::filters)
 
-            get(":sourceId/search/:searchTerm/:pageNum", SourceController::searchSingle)
-//            get("search/:searchTerm/:pageNum", SourceController::searchGlobal)
+            get("{sourceId}/search/{searchTerm}/{pageNum}", SourceController::searchSingle)
+//            get("search/{searchTerm}/{pageNum}", SourceController::searchGlobal)
         }
 
         path("manga") {
-            get(":mangaId", MangaController::retrieve)
-            get(":mangaId/thumbnail", MangaController::thumbnail)
+            get("{mangaId}", MangaController::retrieve)
+            get("{mangaId}/thumbnail", MangaController::thumbnail)
 
-            get(":mangaId/category", MangaController::categoryList)
-            get(":mangaId/category/:categoryId", MangaController::addToCategory)
-            delete(":mangaId/category/:categoryId", MangaController::removeFromCategory)
+            get("{mangaId}/category", MangaController::categoryList)
+            get("{mangaId}/category/{categoryId}", MangaController::addToCategory)
+            delete("{mangaId}/category/{categoryId}", MangaController::removeFromCategory)
 
-            get(":mangaId/library", MangaController::addToLibrary)
-            delete(":mangaId/library", MangaController::removeFromLibrary)
+            get("{mangaId}/library", MangaController::addToLibrary)
+            delete("{mangaId}/library", MangaController::removeFromLibrary)
 
-            patch(":mangaId/meta", MangaController::meta)
+            patch("{mangaId}/meta", MangaController::meta)
 
-            get(":mangaId/chapters", MangaController::chapterList)
-            get(":mangaId/chapter/:chapterIndex", MangaController::chapterRetrieve)
-            patch(":mangaId/chapter/:chapterIndex", MangaController::chapterModify)
+            get("{mangaId}/chapters", MangaController::chapterList)
+            get("{mangaId}/chapter/{chapterIndex}", MangaController::chapterRetrieve)
+            patch("{mangaId}/chapter/{chapterIndex}", MangaController::chapterModify)
 
-            patch(":mangaId/chapter/:chapterIndex/meta", MangaController::chapterMeta)
+            patch("{mangaId}/chapter/{chapterIndex}/meta", MangaController::chapterMeta)
 
-            get(":mangaId/chapter/:chapterIndex/page/:index", MangaController::pageRetrieve)
+            get("{mangaId}/chapter/{chapterIndex}/page/{index}", MangaController::pageRetrieve)
         }
 
         path("category") {
             get("", CategoryController::categoryList)
             post("", CategoryController::categoryCreate)
 
-            get(":categoryId", CategoryController::categoryMangas)
-            patch(":categoryId", CategoryController::categoryModify)
-            delete(":categoryId", CategoryController::categoryDelete)
+            get("{categoryId}", CategoryController::categoryMangas)
+            patch("{categoryId}", CategoryController::categoryModify)
+            delete("{categoryId}", CategoryController::categoryDelete)
 
             patch("reorder", CategoryController::categoryReorder)
         }
@@ -102,8 +102,8 @@ object MangaAPI {
         }
 
         path("download") {
-            get(":mangaId/chapter/:chapterIndex", DownloadController::queueChapter)
-            delete(":mangaId/chapter/:chapterIndex", DownloadController::unqueueChapter)
+            get("{mangaId}/chapter/{chapterIndex}", DownloadController::queueChapter)
+            delete("{mangaId}/chapter/{chapterIndex}", DownloadController::unqueueChapter)
         }
     }
 }
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/BackupController.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/BackupController.kt
index f8f3a8bd..362387af 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/BackupController.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/BackupController.kt
@@ -5,7 +5,7 @@ import suwayomi.tachidesk.manga.impl.backup.BackupFlags
 import suwayomi.tachidesk.manga.impl.backup.proto.ProtoBackupExport
 import suwayomi.tachidesk.manga.impl.backup.proto.ProtoBackupImport
 import suwayomi.tachidesk.manga.impl.backup.proto.ProtoBackupValidator
-import suwayomi.tachidesk.server.JavalinSetup
+import suwayomi.tachidesk.server.JavalinSetup.future
 import java.text.SimpleDateFormat
 import java.util.Date
 
@@ -20,8 +20,8 @@ object BackupController {
 
     /** expects a Tachiyomi protobuf backup in the body */
     fun protobufImport(ctx: Context) {
-        ctx.json(
-            JavalinSetup.future {
+        ctx.future(
+            future {
                 ProtoBackupImport.performRestore(ctx.bodyAsInputStream())
             }
         )
@@ -30,8 +30,8 @@ object BackupController {
     /** expects a Tachiyomi protobuf backup as a file upload, the file must be named "backup.proto.gz" */
     fun protobufImportFile(ctx: Context) {
         // TODO: rewrite this with ctx.uploadedFiles(), don't call the multipart field "backup.proto.gz"
-        ctx.json(
-            JavalinSetup.future {
+        ctx.future(
+            future {
                 ProtoBackupImport.performRestore(ctx.uploadedFile("backup.proto.gz")!!.content)
             }
         )
@@ -40,8 +40,8 @@ object BackupController {
     /** returns a Tachiyomi protobuf backup created from the current database as a body */
     fun protobufExport(ctx: Context) {
         ctx.contentType("application/octet-stream")
-        ctx.result(
-            JavalinSetup.future {
+        ctx.future(
+            future {
                 ProtoBackupExport.createBackup(
                     BackupFlags(
                         includeManga = true,
@@ -61,8 +61,8 @@ object BackupController {
         val currentDate = SimpleDateFormat("yyyy-MM-dd_HH-mm").format(Date())
 
         ctx.header("Content-Disposition", """attachment; filename="tachidesk_$currentDate.proto.gz"""")
-        ctx.result(
-            JavalinSetup.future {
+        ctx.future(
+            future {
                 ProtoBackupExport.createBackup(
                     BackupFlags(
                         includeManga = true,
@@ -78,8 +78,8 @@ object BackupController {
 
     /** Reports missing sources and trackers, expects a Tachiyomi protobuf backup in the body */
     fun protobufValidate(ctx: Context) {
-        ctx.json(
-            JavalinSetup.future {
+        ctx.future(
+            future {
                 ProtoBackupValidator.validate(ctx.bodyAsInputStream())
             }
         )
@@ -87,8 +87,8 @@ object BackupController {
 
     /** Reports missing sources and trackers, expects a Tachiyomi protobuf backup as a file upload, the file must be named "backup.proto.gz" */
     fun protobufValidateFile(ctx: Context) {
-        ctx.json(
-            JavalinSetup.future {
+        ctx.future(
+            future {
                 ProtoBackupValidator.validate(ctx.uploadedFile("backup.proto.gz")!!.content)
             }
         )
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/DownloadController.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/DownloadController.kt
index 0a51134d..c8fcf967 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/DownloadController.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/DownloadController.kt
@@ -8,12 +8,12 @@ package suwayomi.tachidesk.manga.controller
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 import io.javalin.http.Context
-import io.javalin.websocket.WsHandler
+import io.javalin.websocket.WsConfig
 import suwayomi.tachidesk.manga.impl.download.DownloadManager
 
 object DownloadController {
     /** Download queue stats */
-    fun downloadsWS(ws: WsHandler) {
+    fun downloadsWS(ws: WsConfig) {
         ws.onConnect { ctx ->
             DownloadManager.addClient(ctx)
             DownloadManager.notifyClient(ctx)
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/ExtensionController.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/ExtensionController.kt
index 70d82a1d..7e1501ab 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/ExtensionController.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/ExtensionController.kt
@@ -18,7 +18,7 @@ object ExtensionController {
 
     /** list all extensions */
     fun list(ctx: Context) {
-        ctx.json(
+        ctx.future(
             future {
                 ExtensionsList.getExtensionList()
             }
@@ -29,7 +29,7 @@ object ExtensionController {
     fun install(ctx: Context) {
         val pkgName = ctx.pathParam("pkgName")
 
-        ctx.json(
+        ctx.future(
             future {
                 Extension.installExtension(pkgName)
             }
@@ -42,7 +42,7 @@ object ExtensionController {
         val uploadedFile = ctx.uploadedFile("file")!!
         logger.debug { "Uploaded extension file name: " + uploadedFile.filename }
 
-        ctx.json(
+        ctx.future(
             future {
                 Extension.installExternalExtension(uploadedFile.content, uploadedFile.filename)
             }
@@ -53,7 +53,7 @@ object ExtensionController {
     fun update(ctx: Context) {
         val pkgName = ctx.pathParam("pkgName")
 
-        ctx.json(
+        ctx.future(
             future {
                 Extension.updateExtension(pkgName)
             }
@@ -72,7 +72,7 @@ object ExtensionController {
     fun icon(ctx: Context) {
         val apkName = ctx.pathParam("apkName")
 
-        ctx.result(
+        ctx.future(
             future { Extension.getExtensionIcon(apkName) }
                 .thenApply {
                     ctx.header("content-type", it.second)
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/MangaController.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/MangaController.kt
index a143b212..007db1ba 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/MangaController.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/MangaController.kt
@@ -19,9 +19,9 @@ object MangaController {
     /** get manga info */
     fun retrieve(ctx: Context) {
         val mangaId = ctx.pathParam("mangaId").toInt()
-        val onlineFetch = ctx.queryParam("onlineFetch", "false").toBoolean()
+        val onlineFetch = ctx.queryParam("onlineFetch")?.toBoolean() ?: false
 
-        ctx.json(
+        ctx.future(
             future {
                 Manga.getManga(mangaId, onlineFetch)
             }
@@ -32,7 +32,7 @@ object MangaController {
     fun thumbnail(ctx: Context) {
         val mangaId = ctx.pathParam("mangaId").toInt()
 
-        ctx.result(
+        ctx.future(
             future { Manga.getMangaThumbnail(mangaId) }
                 .thenApply {
                     ctx.header("content-type", it.second)
@@ -45,7 +45,7 @@ object MangaController {
     fun addToLibrary(ctx: Context) {
         val mangaId = ctx.pathParam("mangaId").toInt()
 
-        ctx.result(
+        ctx.future(
             future { Library.addMangaToLibrary(mangaId) }
         )
     }
@@ -54,7 +54,7 @@ object MangaController {
     fun removeFromLibrary(ctx: Context) {
         val mangaId = ctx.pathParam("mangaId").toInt()
 
-        ctx.result(
+        ctx.future(
             future { Library.removeMangaFromLibrary(mangaId) }
         )
     }
@@ -97,16 +97,16 @@ object MangaController {
     fun chapterList(ctx: Context) {
         val mangaId = ctx.pathParam("mangaId").toInt()
 
-        val onlineFetch = ctx.queryParam("onlineFetch", "false").toBoolean()
+        val onlineFetch = ctx.queryParam("onlineFetch")?.toBoolean() ?: false
 
-        ctx.json(future { Chapter.getChapterList(mangaId, onlineFetch) })
+        ctx.future(future { Chapter.getChapterList(mangaId, onlineFetch) })
     }
 
     /** used to display a chapter, get a chapter in order to show its pages */
     fun chapterRetrieve(ctx: Context) {
         val chapterIndex = ctx.pathParam("chapterIndex").toInt()
         val mangaId = ctx.pathParam("mangaId").toInt()
-        ctx.json(future { Chapter.getChapter(chapterIndex, mangaId) })
+        ctx.future(future { Chapter.getChapter(chapterIndex, mangaId) })
     }
 
     /** used to modify a chapter's parameters */
@@ -143,7 +143,7 @@ object MangaController {
         val chapterIndex = ctx.pathParam("chapterIndex").toInt()
         val index = ctx.pathParam("index").toInt()
 
-        ctx.result(
+        ctx.future(
             future { Page.getPageImage(mangaId, chapterIndex, index) }
                 .thenApply {
                     ctx.header("content-type", it.second)
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/SourceController.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/SourceController.kt
index 13a6e1db..9d52dce3 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/SourceController.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/controller/SourceController.kt
@@ -30,7 +30,7 @@ object SourceController {
     fun popular(ctx: Context) {
         val sourceId = ctx.pathParam("sourceId").toLong()
         val pageNum = ctx.pathParam("pageNum").toInt()
-        ctx.json(
+        ctx.future(
             future {
                 MangaList.getMangaList(sourceId, pageNum, popular = true)
             }
@@ -41,7 +41,7 @@ object SourceController {
     fun latest(ctx: Context) {
         val sourceId = ctx.pathParam("sourceId").toLong()
         val pageNum = ctx.pathParam("pageNum").toInt()
-        ctx.json(
+        ctx.future(
             future {
                 MangaList.getMangaList(sourceId, pageNum, popular = false)
             }
@@ -64,7 +64,7 @@ object SourceController {
     /** fetch filters of source with id `sourceId` */
     fun filters(ctx: Context) {
         val sourceId = ctx.pathParam("sourceId").toLong()
-        val reset = ctx.queryParam("reset", "false").toBoolean()
+        val reset = ctx.queryParam("reset")?.toBoolean() ?: false
 
         ctx.json(Search.getInitialFilterList(sourceId, reset))
     }
@@ -74,7 +74,7 @@ object SourceController {
         val sourceId = ctx.pathParam("sourceId").toLong()
         val searchTerm = ctx.pathParam("searchTerm")
         val pageNum = ctx.pathParam("pageNum").toInt()
-        ctx.json(future { Search.sourceSearch(sourceId, searchTerm, pageNum) })
+        ctx.future(future { Search.sourceSearch(sourceId, searchTerm, pageNum) })
     }
 
     /** all source search */
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/server/JavalinSetup.kt b/server/src/main/kotlin/suwayomi/tachidesk/server/JavalinSetup.kt
index 66933b2b..47cd7bc3 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/server/JavalinSetup.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/server/JavalinSetup.kt
@@ -9,6 +9,7 @@ package suwayomi.tachidesk.server
 
 import io.javalin.Javalin
 import io.javalin.apibuilder.ApiBuilder.path
+import io.javalin.core.security.RouteRole
 import io.javalin.http.staticfiles.Location
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -86,4 +87,8 @@ object JavalinSetup {
             }
         }
     }
+
+    object Auth {
+        enum class Role : RouteRole { ANYONE, USER_READ, USER_WRITE }
+    }
 }
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/server/util/AppMutex.kt b/server/src/main/kotlin/suwayomi/tachidesk/server/util/AppMutex.kt
index 15adda57..5e30d3f8 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/server/util/AppMutex.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/server/util/AppMutex.kt
@@ -46,7 +46,7 @@ object AppMutex {
         }
 
         return try {
-            JavalinJackson.fromJson(response, AboutDataClass::class.java)
+            JavalinJackson().fromJsonString(response, AboutDataClass::class.java)
             AppMutexState.TachideskInstanceRunning
         } catch (e: IOException) {
             AppMutexState.OtherApplicationRunning