Http api handle Bot muted exception while sending group message, and response BotMuted(code 20)

mirai-api-http/README_CH.md

@@ -97,14 +97,15 @@ fun main() {
 ```
 
 | 状态码 | 原因                                     |
-| ------ | ----------------------------------- |
+| ------ | ---------------------------------------- |
 | 0      | 正常                                     |
 | 1      | 错误的auth key                           |
-| 2      | 指定的Bot不存在                     |
+| 2      | 指定的Bot不存在(常发生在Session认证时)   |
 | 3      | Session失效或不存在                      |
 | 4      | Session未认证(未激活)                    |
 | 5      | 发送消息目标不存在(指定对象不存在)       |
 | 10     | 无操作权限，指Bot没有对应操作的限权      |
+| 20     | Bot被禁言，指Bot当前无法向指定群发送消息 |
 | 400    | 错误的访问，如参数错误等                 |
 
 

mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/data/StateCode.kt

@@ -11,6 +11,7 @@ open class StateCode(val code: Int, var msg: String) : DTO {
     object NotVerifySession : StateCode(4, "Session未认证")
     object NoElement : StateCode(5, "指定对象不存在")
     object PermissionDenied : StateCode(10, "无操作权限")
+    object BotMuted : StateCode(20, "Bot被禁言")
 
     // KS bug: 主构造器中不能有非字段参数 https://github.com/Kotlin/kotlinx.serialization/issues/575
     @Serializable

mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/route/BaseRoute.kt

@@ -130,17 +130,19 @@ internal inline fun <reified T : VerifyDTO> Route.miraiVerify(
 internal inline fun Route.intercept(crossinline blk: suspend PipelineContext<Unit, ApplicationCall>.() -> Unit) = handle {
     try {
         blk(this)
+    } catch (e: NoSuchBotException) { // Bot不存在
+        call.respondStateCode(StateCode.NoBot)
     } catch (e: IllegalSessionException) { // Session过期
         call.respondStateCode(StateCode.IllegalSession)
     } catch (e: NotVerifiedSessionException) { // Session未认证
         call.respondStateCode(StateCode.NotVerifySession)
-    } catch (e: NoSuchBotException) { // Bot不存在
-        call.respondStateCode(StateCode.NoBot)
     } catch (e: NoSuchElementException) { // 指定对象不存在
         call.respondStateCode(StateCode.NoElement)
     } catch (e: PermissionDeniedException) { // 缺少权限
         call.respondStateCode(StateCode.PermissionDenied)
-    } catch (e: IllegalAccessException) {
+    } catch (e: IllegalStateException) { // Bot被禁言
+        call.respondStateCode(StateCode.BotMuted)
+    } catch (e: IllegalAccessException) { // 错误访问
         call.respondStateCode(StateCode(400, e.message), HttpStatusCode.BadRequest)
     } catch (e: Throwable) {
         e.printStackTrace()