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import { |
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DynamicModule, |
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FactoryProvider, |
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Global, |
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Module, |
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Provider |
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} from '@nestjs/common'; |
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import { ModuleRef, Reflector } from '@nestjs/core'; |
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import { ICacheRBAC } from './interfaces/cache.rbac.interface'; |
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import { IDynamicStorageRbac } from './interfaces/dynamic.storage.rbac.interface'; |
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import { IStorageRbac } from './interfaces/storage.rbac.interface'; |
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import { RbacService } from './services/rbac.service'; |
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import { StorageRbacService } from './services/storage.rbac.service'; |
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@Global() |
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@Module({ |
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providers: [RbacService, StorageRbacService, Reflector], |
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imports: [], |
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exports: [RbacService] |
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}) |
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export class RbacModule { |
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private static cache?: any | ICacheRBAC; |
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private static cacheOptions?: { KEY?: string; TTL?: number }; |
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static useCache( |
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cache: any | ICacheRBAC, |
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options?: { |
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KEY?: string; |
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TTL?: number; |
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} |
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) { |
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RbacModule.cache = cache; |
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RbacModule.cacheOptions = options; |
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return RbacModule; |
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} |
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static forRoot( |
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rbac: IStorageRbac, |
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providers?: any[], |
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imports?: any[] |
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): DynamicModule { |
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return RbacModule.forDynamic( |
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class { |
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async getRbac(): Promise<IStorageRbac> { |
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return rbac; |
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} |
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}, |
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providers, |
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imports |
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); |
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} |
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static forDynamic( |
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rbac: new () => IDynamicStorageRbac, |
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providers?: any[], |
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imports?: any[] |
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): DynamicModule { |
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const inject = [ModuleRef, rbac]; |
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const commonProviders: Provider<any>[] = []; |
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if (RbacModule.cache) { |
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commonProviders.push(RbacModule.cache, { |
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provide: 'ICacheRBAC', |
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useFactory: (cache: ICacheRBAC): ICacheRBAC => { |
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return RbacModule.setCacheOptions(cache); |
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}, |
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inject: [RbacModule.cache] |
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}); |
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inject.push(RbacModule.cache); |
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} |
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const storageRbacService: FactoryProvider = { |
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provide: StorageRbacService, |
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useFactory: async ( |
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moduleRef: ModuleRef, |
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rbacService: IDynamicStorageRbac, |
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cache?: ICacheRBAC |
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) => { |
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return new StorageRbacService( |
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moduleRef, |
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rbacService, |
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RbacModule.setCacheOptions(cache) |
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); |
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}, |
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inject |
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}; |
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commonProviders.push(...[...(providers || []), rbac], storageRbacService); |
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return { |
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module: RbacModule, |
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providers: commonProviders, |
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imports: [...(imports || [])] |
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}; |
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} |
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private static setCacheOptions(cache?: ICacheRBAC) { |
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if (!cache || RbacModule.cacheOptions) { |
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return cache; |
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} |
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if (!RbacModule.cacheOptions) { |
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return cache; |
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} |
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if (RbacModule.cacheOptions.KEY) { |
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cache.KEY = RbacModule.cacheOptions.KEY; |
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} |
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if (RbacModule.cacheOptions.TTL) { |
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cache.TTL = RbacModule.cacheOptions.TTL; |
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} |
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return cache; |
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} |
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} |
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sergey-telpuk /
nestjs-rbac
