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Introduce BasePermission

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This commit is contained in:
Him188 2020-09-09 08:59:39 +08:00
parent a830a095de
commit 44ef4e7c56
2 changed files with 37 additions and 10 deletions
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25
backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/Permission.kt
View File

@ -10,6 +10,7 @@
package net.mamoe.mirai.console.permission
import kotlinx.serialization.Serializable
import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
/**
@ -19,9 +20,29 @@ import kotlinx.serialization.Serializable
public interface Permission {
public val id: PermissionId
public val description: String
public val base: PermissionId?
public val parent: PermissionId
}
/**
* 所有权限的父权限.
*/
@ExperimentalPermission
public object BasePermission :
Permission {
override val id: PermissionId = PermissionId("console", "base")
override val description: String get() = "The parent of any permission"
override val parent: PermissionId get() = id
}
@ConsoleExperimentalAPI
@ExperimentalPermission
public fun Permission.parentsWithSelfSequence(): Sequence<Permission> =
generateSequence(this) { p ->
p.parent.let { PermissionService.INSTANCE[it] }
?.takeIf { parent -> parent != p }
}
/**
* [Permission] 的简单实现
*/
@ -30,5 +51,5 @@ public interface Permission {
public class PermissionImpl(
override val id: PermissionId,
override val description: String,
override val base: PermissionId?
override val parent: PermissionId = BasePermission.id
) : Permission

22
backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/PermissionService.kt
View File

@ -29,8 +29,12 @@ public interface PermissionService<P : Permission> {
public fun getGrantedPermissions(permissibleIdentifier: PermissibleIdentifier): Sequence<P>
public fun testPermission(permissibleIdentifier: PermissibleIdentifier, permission: P): Boolean =
getGrantedPermissions(permissibleIdentifier).any { it == permission }
public fun testPermission(permissibleIdentifier: PermissibleIdentifier, permissionId: PermissionId): Boolean {
val all = this[permissionId]?.parentsWithSelfSequence() ?: return false
return getGrantedPermissions(permissibleIdentifier).any { p ->
all.any { p.id == it.id }
}
}
///////////////////////////////////////////////////////////////////////////
@ -56,6 +60,9 @@ public interface PermissionService<P : Permission> {
}
}
@ExperimentalPermission
public fun PermissionId.findCorrespondingPermission(): Permission? = PermissionService.INSTANCE[this]
@ExperimentalPermission
public fun PermissibleIdentifier.grant(permission: Permission) {
PermissionService.INSTANCE.checkType(permission::class).grant(this, permission)
@ -71,15 +78,14 @@ public fun PermissibleIdentifier.hasPermission(permission: Permission): Boolean
@Suppress("UNCHECKED_CAST")
@ExperimentalPermission
public fun PermissibleIdentifier.hasPermission(permission: PermissionId): Boolean =
public fun PermissibleIdentifier.hasPermission(permissionId: PermissionId): Boolean =
(PermissionService.INSTANCE as PermissionService<Permission>).run {
val p = this[permission] ?: return false
testPermission(this@hasPermission, p)
testPermission(this@hasPermission, permissionId)
}
@ExperimentalPermission
public fun Permissible.hasPermission(permissionId: PermissionId): Boolean =
PermissionService.run { permissionId.testPermission(this@hasPermission) }
permissionId.testPermission(this@hasPermission)
@JvmSynthetic
@ExperimentalPermission
@ -94,12 +100,12 @@ public fun PermissibleIdentifier.getGrantedPermissions(): Sequence<Permission> =
@JvmSynthetic
@ExperimentalPermission
public fun Permission.testPermission(permissible: Permissible): Boolean =
PermissionService.INSTANCE.checkType(this::class).testPermission(permissible.identifier, this@testPermission)
PermissionService.INSTANCE.checkType(this::class).testPermission(permissible.identifier, this@testPermission.id)
@JvmSynthetic
@ExperimentalPermission
public fun Permission.testPermission(permissibleIdentifier: PermissibleIdentifier): Boolean =
PermissionService.INSTANCE.checkType(this::class).testPermission(permissibleIdentifier, this@testPermission)
PermissionService.INSTANCE.checkType(this::class).testPermission(permissibleIdentifier, this@testPermission.id)
@JvmSynthetic
@ExperimentalPermission