@graphql-mesh/hmac-upstream-signature
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text/typescript
import { ExecutionRequest, ExecutionResult, Executor, MaybePromise, Maybe } from '@graphql-tools/utils';
import { Plugin, YogaInitialContext, GraphQLParams } from 'graphql-yoga';
import { GraphQLSchema, OperationTypeNode, GraphQLFieldResolver, GraphQLResolveInfo, GraphQLOutputType, GraphQLError, SelectionSetNode, FragmentDefinitionNode, FieldNode, ExecutionResult as ExecutionResult$1, SelectionNode } from 'graphql';
import { Logger, MeshFetch, MeshPubSub, KeyValueCache, OnFetchHook } from '@graphql-mesh/types';
import DataLoader from 'dataloader';
import { GraphQLResolveInfo as GraphQLResolveInfo$1, GraphQLOutputType as GraphQLOutputType$1 } from 'graphql/type';
interface TransportEntry<Options extends Record<string, any> = Record<string, any>> {
kind: string;
subgraph: string;
location?: string;
headers?: [string, string][];
options?: Options;
}
type SchemaTransform<TContext = Record<any, string>> = (originalWrappingSchema: GraphQLSchema, subschemaConfig: SubschemaConfig<any, any, any, TContext>) => GraphQLSchema;
type RequestTransform<T = Record<string, any>, TContext = Record<any, string>> = (originalRequest: ExecutionRequest, delegationContext: DelegationContext<TContext>, transformationContext: T) => ExecutionRequest;
type ResultTransform<T = Record<string, any>, TContext = Record<any, string>> = (originalResult: ExecutionResult, delegationContext: DelegationContext<TContext>, transformationContext: T) => ExecutionResult;
interface Transform<T = any, TContext = Record<string, any>> {
transformSchema?: SchemaTransform<TContext>;
transformRequest?: RequestTransform<T, TContext>;
transformResult?: ResultTransform<T, TContext>;
}
interface DelegationContext<TContext = Record<string, any>> {
subschema: GraphQLSchema | SubschemaConfig<any, any, any, TContext>;
subschemaConfig?: SubschemaConfig<any, any, any, TContext>;
targetSchema: GraphQLSchema;
operation: OperationTypeNode;
fieldName: string;
args?: Record<string, any>;
context?: TContext;
info?: GraphQLResolveInfo;
returnType: GraphQLOutputType;
onLocatedError?: (originalError: GraphQLError) => GraphQLError;
rootValue?: any;
transforms: Array<Transform<any, TContext>>;
transformedSchema: GraphQLSchema;
skipTypeMerging: boolean;
}
type DelegationPlanBuilder = (schema: GraphQLSchema, sourceSubschema: Subschema<any, any, any, any>, variableValues: Record<string, any>, fragments: Record<string, FragmentDefinitionNode>, fieldNodes: FieldNode[], context?: any, info?: GraphQLResolveInfo) => Array<Map<Subschema, SelectionSetNode>>;
interface ICreateProxyingResolverOptions<TContext = Record<string, any>> {
subschemaConfig: SubschemaConfig<any, any, any, TContext>;
operation?: OperationTypeNode;
fieldName?: string;
}
type CreateProxyingResolverFn<TContext = Record<string, any>> = (options: ICreateProxyingResolverOptions<TContext>) => GraphQLFieldResolver<any, TContext>;
interface BatchingOptions<K = any, V = any, C = K> {
extensionsReducer?: (mergedExtensions: Record<string, any>, request: ExecutionRequest) => Record<string, any>;
dataLoaderOptions?: DataLoader.Options<K, V, C>;
}
interface SubschemaConfig<K = any, V = any, C = K, TContext = Record<string, any>> {
name?: string;
schema: GraphQLSchema;
createProxyingResolver?: CreateProxyingResolverFn<TContext>;
rootValue?: any;
transforms?: Array<Transform<any, TContext>>;
merge?: Record<string, MergedTypeConfig<any, any, TContext>>;
executor?: Executor<TContext>;
batch?: boolean;
batchingOptions?: BatchingOptions<K, V, C>;
}
interface MergedTypeConfig<K = any, V = any, TContext = Record<string, any>> extends MergedTypeEntryPoint<K, V, TContext> {
entryPoints?: Array<MergedTypeEntryPoint>;
fields?: Record<string, MergedFieldConfig>;
canonical?: boolean;
}
interface MergedTypeEntryPoint<K = any, V = any, TContext = Record<string, any>> extends MergedTypeResolverOptions<K, V> {
selectionSet?: string;
key?: (originalResult: any) => K | PromiseLike<K>;
resolve?: MergedTypeResolver<TContext>;
}
interface MergedTypeResolverOptions<K = any, V = any> {
fieldName?: string;
args?: (originalResult: any) => Record<string, any>;
argsFromKeys?: (keys: ReadonlyArray<K>) => Record<string, any>;
valuesFromResults?: (results: any, keys: ReadonlyArray<K>) => Array<V>;
dataLoaderOptions?: DataLoader.Options<K, V>;
}
interface MergedFieldConfig {
selectionSet?: string;
computed?: boolean;
canonical?: boolean;
provides?: SelectionSetNode;
}
type MergedTypeResolver<TContext = Record<string, any>> = (originalResult: any, context: TContext, info: GraphQLResolveInfo, subschema: Subschema<any, any, any, TContext>, selectionSet: SelectionSetNode, key: any | undefined, type: GraphQLOutputType) => any;
interface ISubschema<K = any, V = any, C = K, TContext = Record<string, any>> extends SubschemaConfig<K, V, C, TContext> {
transformedSchema: GraphQLSchema;
}
declare class Subschema<K = any, V = any, C = K, TContext = Record<string, any>> implements ISubschema<K, V, C, TContext> {
name?: string;
schema: GraphQLSchema;
executor?: Executor<TContext>;
batch?: boolean;
batchingOptions?: BatchingOptions<K, V, C>;
createProxyingResolver?: CreateProxyingResolverFn<TContext>;
transforms: Array<Transform<any, TContext>>;
private _transformedSchema;
merge?: Record<string, MergedTypeConfig<any, any, TContext>>;
constructor(config: SubschemaConfig<K, V, C, TContext>);
get transformedSchema(): GraphQLSchema;
set transformedSchema(value: GraphQLSchema);
}
declare module 'graphql' {
interface GraphQLResolveInfo {
executionRequest?: ExecutionRequest;
}
}
interface UnifiedGraphPlugin<TContext> {
onSubgraphExecute?: OnSubgraphExecuteHook<TContext>;
onDelegationPlan?: OnDelegationPlanHook<TContext>;
onDelegationStageExecute?: OnDelegationStageExecuteHook<TContext>;
}
type OnSubgraphExecuteHook<TContext = any> = (payload: OnSubgraphExecutePayload<TContext>) => MaybePromise<Maybe<OnSubgraphExecuteDoneHook | void>>;
interface OnSubgraphExecutePayload<TContext> {
subgraph: GraphQLSchema;
subgraphName: string;
transportEntry?: TransportEntry;
executionRequest: ExecutionRequest<any, TContext>;
setExecutionRequest(executionRequest: ExecutionRequest): void;
executor: Executor;
setExecutor(executor: Executor): void;
requestId?: string;
logger?: Logger;
}
interface OnSubgraphExecuteDonePayload {
result: AsyncIterable<ExecutionResult$1> | ExecutionResult$1;
setResult(result: AsyncIterable<ExecutionResult$1> | ExecutionResult$1): void;
}
type OnSubgraphExecuteDoneHook = (payload: OnSubgraphExecuteDonePayload) => MaybePromise<Maybe<OnSubgraphExecuteDoneResult | void>>;
type OnSubgraphExecuteDoneResultOnNext = (payload: OnSubgraphExecuteDoneOnNextPayload) => MaybePromise<void>;
interface OnSubgraphExecuteDoneOnNextPayload {
result: ExecutionResult$1;
setResult(result: ExecutionResult$1): void;
}
type OnSubgraphExecuteDoneResultOnEnd = () => MaybePromise<void>;
type OnSubgraphExecuteDoneResult = {
onNext?: OnSubgraphExecuteDoneResultOnNext;
onEnd?: OnSubgraphExecuteDoneResultOnEnd;
};
type OnDelegationPlanHook<TContext> = (payload: OnDelegationPlanHookPayload<TContext>) => Maybe<OnDelegationPlanDoneHook | void>;
interface OnDelegationPlanHookPayload<TContext> {
supergraph: GraphQLSchema;
subgraph: string;
sourceSubschema: Subschema<any, any, any, TContext>;
typeName: string;
variables: Record<string, any>;
fragments: Record<string, FragmentDefinitionNode>;
fieldNodes: SelectionNode[];
context: TContext;
requestId?: string;
logger?: Logger;
info?: GraphQLResolveInfo$1;
delegationPlanBuilder: DelegationPlanBuilder;
setDelegationPlanBuilder(delegationPlanBuilder: DelegationPlanBuilder): void;
}
type OnDelegationPlanDoneHook = (payload: OnDelegationPlanDonePayload) => Maybe<void>;
interface OnDelegationPlanDonePayload {
delegationPlan: ReturnType<DelegationPlanBuilder>;
setDelegationPlan: (delegationPlan: ReturnType<DelegationPlanBuilder>) => void;
}
type OnDelegationStageExecuteHook<TContext> = (payload: OnDelegationStageExecutePayload<TContext>) => Maybe<OnDelegationStageExecuteDoneHook>;
interface OnDelegationStageExecutePayload<TContext> {
object: any;
context: TContext;
info: GraphQLResolveInfo$1;
subgraph: string;
subschema: Subschema<any, any, any, TContext>;
selectionSet: SelectionSetNode;
key?: any;
type: GraphQLOutputType$1;
resolver: MergedTypeResolver<TContext>;
setResolver: (resolver: MergedTypeResolver<TContext>) => void;
typeName: string;
requestId?: string;
logger?: Logger;
}
type OnDelegationStageExecuteDoneHook = (payload: OnDelegationStageExecuteDonePayload) => void;
interface OnDelegationStageExecuteDonePayload {
result: any;
setResult: (result: any) => void;
}
interface GatewayConfigContext {
/**
* WHATWG compatible Fetch implementation.
*/
fetch: MeshFetch;
/**
* The logger to use throught Mesh and it's plugins.
*/
logger: Logger;
/**
* Current working directory.
*/
cwd: string;
/**
* Event bus for pub/sub.
*/
pubsub?: MeshPubSub;
/**
* Cache Storage
*/
cache?: KeyValueCache;
}
interface GatewayContext extends GatewayConfigContext, YogaInitialContext {
/**
* Environment agnostic HTTP headers provided with the request.
*/
headers: Record<string, string>;
/**
* Runtime context available within WebSocket connections.
*/
connectionParams: Record<string, string>;
}
type GatewayPlugin<TPluginContext extends Record<string, any> = Record<string, any>, TContext extends Record<string, any> = Record<string, any>> = Plugin<Partial<TPluginContext> & GatewayContext & TContext> & UnifiedGraphPlugin<Partial<TPluginContext> & GatewayContext & TContext> & {
onFetch?: OnFetchHook<Partial<TPluginContext> & GatewayContext & TContext>;
} & Partial<Disposable | AsyncDisposable>;
declare global {
var DEBUG: string;
}
type HMACUpstreamSignatureOptions = {
secret: string;
shouldSign?: (input: Pick<OnSubgraphExecutePayload<{}>, 'subgraph' | 'subgraphName' | 'executionRequest'>) => boolean;
extensionName?: string;
serializeExecutionRequest?: (executionRequest: ExecutionRequest) => string;
};
declare const defaultExecutionRequestSerializer: (executionRequest: ExecutionRequest) => string | undefined;
declare const defaultParamsSerializer: (params: GraphQLParams) => string | undefined;
declare function useHmacUpstreamSignature(options: HMACUpstreamSignatureOptions): GatewayPlugin;
type HMACUpstreamSignatureValidationOptions = {
secret: string;
extensionName?: string;
serializeParams?: (params: GraphQLParams) => string;
};
declare function useHmacSignatureValidation(options: HMACUpstreamSignatureValidationOptions): Plugin;
export { type HMACUpstreamSignatureOptions, type HMACUpstreamSignatureValidationOptions, defaultExecutionRequestSerializer, defaultParamsSerializer, useHmacSignatureValidation, useHmacUpstreamSignature };