feat: misskeyが要求してくるアカウント名の形式にも対応

src/main/kotlin/dev/usbharu/hideout/routing/WellKnownRouting.kt

@@ -1,7 +1,6 @@
 package dev.usbharu.hideout.routing
 
 import dev.usbharu.hideout.config.Config
-import dev.usbharu.hideout.exception.UserNotFoundException
 import dev.usbharu.hideout.service.UserService
 import dev.usbharu.hideout.util.HttpUtil.Activity
 import io.ktor.http.*
@@ -46,17 +45,23 @@ fun Application.wellKnown(userService: UserService) {
             }
 
             get("/webfinger") {
-                val uri = call.request.queryParameters["resource"] ?: return@get call.respondText("resource was not found",
+                val uri = call.request.queryParameters["resource"] ?: return@get call.respondText(
+                    "resource was not found",
                     status = HttpStatusCode.BadRequest
                 )
                 val decodeURLPart = uri.decodeURLPart()
                 if (!decodeURLPart.startsWith("acct:")) {
-                    return@get call.respondText("$uri was not found.",status =HttpStatusCode.BadRequest)
+                    return@get call.respondText(
+                        "$uri was not found.",
+                        status = HttpStatusCode.BadRequest
+                    )
                 }
-                val accountName = uri.substringBeforeLast("@").substringAfter("@")
+                val accountName =
+                    uri.substringBeforeLast("@").substringAfter("acct:").trimStart('@')
                 val userEntity = userService.findByName(accountName)
 
-                return@get call.respond(WebFingerResource(
+                return@get call.respond(
+                    WebFingerResource(
                         subject = decodeURLPart,
                         listOf(
                             WebFingerResource.Link(
@@ -65,7 +70,8 @@ fun Application.wellKnown(userService: UserService) {
                                 href = "${Config.configData.hostname}/users/${userEntity.name}"
                             )
                         )
-                ))
+                    )
+                )
             }
 
         }