GlobalExceptionHandlerConfig for printing exception trace

Author: ryoii

mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/http/plugin/GlobalExceptionHandler.kt

@@ -12,10 +12,22 @@ package net.mamoe.mirai.api.http.adapter.http.plugin
 import io.ktor.server.application.*
 import io.ktor.server.application.hooks.*
 import io.ktor.server.response.*
+import io.ktor.util.*
 import net.mamoe.mirai.api.http.adapter.internal.handler.toStateCode
 
-val GlobalExceptionHandler = createApplicationPlugin("GlobalExceptionHandler") {
+val GlobalExceptionHandler = createApplicationPlugin(
+    "GlobalExceptionHandler",
+    ::GlobalExceptionHandlerConfig
+) {
     on(CallFailed) { call, cause ->
+        if (pluginConfig.printTrace) {
+            cause.printStackTrace()
+        }
         call.respond(cause.toStateCode())
     }
+}
+
+@KtorDsl
+class GlobalExceptionHandlerConfig {
+    var printTrace: Boolean = false
 }

mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/http/router/base.kt

@@ -35,7 +35,7 @@ fun Application.httpModule(adapter: HttpAdapter) {
     }
 
     install(ContentNegotiation) { json(json = BuiltinJsonSerializer.buildJson()) }
-    install(GlobalExceptionHandler)
+    install(GlobalExceptionHandler) { printTrace = MahContextHolder.debug }
     install(Authorization)
     if (MahContextHolder.debug) {
         install(DoubleReceive)