Prohibit premature usages of PermissionService

Author: Him188

mirai-console/backend/mirai-console/src/internal/MiraiConsoleImplementationBridge.kt

@@ -86,6 +86,10 @@ internal class MiraiConsoleImplementationBridge(
     // used internally
     val globalComponentStorage: GlobalComponentStorageImpl by lazy { GlobalComponentStorageImpl() }
 
+    // tentative workaround for https://github.com/mamoe/mirai/pull/1889#pullrequestreview-887903183
+    @Volatile
+    var permissionSeviceLoaded: Boolean = false
+
     override val mainLogger: MiraiLogger by lazy { createLogger("main") }
 
     init {
@@ -187,6 +191,7 @@ internal class MiraiConsoleImplementationBridge(
         phase("load PermissionService") {
             mainLogger.verbose { "Loading PermissionService..." }
 
+            permissionSeviceLoaded = true
             PermissionService.INSTANCE.let { ps ->
                 if (ps is BuiltInPermissionService) {
                     consoleDataScope.addAndReloadConfig(ps.config)

mirai-console/backend/mirai-console/src/permission/PermissionService.kt

@@ -11,6 +11,7 @@
 
 package net.mamoe.mirai.console.permission
 
+import net.mamoe.mirai.console.MiraiConsoleImplementation
 import net.mamoe.mirai.console.compiler.common.ResolveContext
 import net.mamoe.mirai.console.compiler.common.ResolveContext.Kind.COMMAND_NAME
 import net.mamoe.mirai.console.extension.instance
@@ -147,7 +148,12 @@ public interface PermissionService<P : Permission> {
         @get:JvmName("getInstance")
         @JvmStatic
         public val INSTANCE: PermissionService<out Permission>
-            get() = GlobalComponentStorage.getPreferredExtension(PermissionServiceProvider).instance
+            get() {
+                if (!MiraiConsoleImplementation.getBridge().permissionSeviceLoaded) {
+                    error("PermissionService is not yet ready.")
+                }
+                return GlobalComponentStorage.getPreferredExtension(PermissionServiceProvider).instance
+            }
 
         /**
          * 获取一个权限, 失败时抛出 [NoSuchElementException]