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fabianfettfabianfett
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Add apigateway and alb (#52)
motivation: support ALB and APIGateway Events changes: add Codable abstractions for ALB and APIGateway v1+v2 Events
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9 files changed

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-161
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9 files changed

+707
-161
lines changed

‎Sources/AWSLambdaEvents/ALB.swift

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//===----------------------------------------------------------------------===//
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//
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// This source file is part of the SwiftAWSLambdaRuntime open source project
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//
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// Copyright (c) 2017-2020 Apple Inc. and the SwiftAWSLambdaRuntime project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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import class Foundation.JSONEncoder
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// https://github.com/aws/aws-lambda-go/blob/master/events/alb.go
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public enum ALB {
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/// ALBTargetGroupRequest contains data originating from the ALB Lambda target group integration
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public struct TargetGroupRequest: Codable {
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/// ALBTargetGroupRequestContext contains the information to identify the load balancer invoking the lambda
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public struct Context: Codable {
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public let elb: ELBContext
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}
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public let httpMethod: HTTPMethod
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public let path: String
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public let queryStringParameters: [String: [String]]
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/// Depending on your configuration of your target group either `headers` or `multiValueHeaders`
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/// are set.
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///
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/// For more information visit:
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/// https://docs.aws.amazon.com/elasticloadbalancing/latest/application/lambda-functions.html#multi-value-headers
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public let headers: HTTPHeaders?
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/// Depending on your configuration of your target group either `headers` or `multiValueHeaders`
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/// are set.
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///
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/// For more information visit:
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/// https://docs.aws.amazon.com/elasticloadbalancing/latest/application/lambda-functions.html#multi-value-headers
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public let multiValueHeaders: HTTPMultiValueHeaders?
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public let requestContext: Context
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public let isBase64Encoded: Bool
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public let body: String?
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}
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/// ELBContext contains the information to identify the ARN invoking the lambda
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public struct ELBContext: Codable {
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public let targetGroupArn: String
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}
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public struct TargetGroupResponse: Codable {
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public let statusCode: HTTPResponseStatus
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public let statusDescription: String?
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public let headers: HTTPHeaders?
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public let multiValueHeaders: HTTPMultiValueHeaders?
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public let body: String
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public let isBase64Encoded: Bool
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public init(
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statusCode: HTTPResponseStatus,
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statusDescription: String? = nil,
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headers: HTTPHeaders? = nil,
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multiValueHeaders: HTTPMultiValueHeaders? = nil,
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body: String = "",
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isBase64Encoded: Bool = false
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) {
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self.statusCode = statusCode
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self.statusDescription = statusDescription
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self.headers = headers
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self.multiValueHeaders = multiValueHeaders
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self.body = body
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self.isBase64Encoded = isBase64Encoded
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}
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}
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}

‎Sources/AWSLambdaEvents/APIGateway+V2.swift

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//===----------------------------------------------------------------------===//
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//
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// This source file is part of the SwiftAWSLambdaRuntime open source project
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//
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// Copyright (c) 2017-2020 Apple Inc. and the SwiftAWSLambdaRuntime project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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extension APIGateway {
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public struct V2 {}
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}
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extension APIGateway.V2 {
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/// APIGateway.V2.Request contains data coming from the new HTTP API Gateway
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public struct Request: Codable {
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/// Context contains the information to identify the AWS account and resources invoking the Lambda function.
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public struct Context: Codable {
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public struct HTTP: Codable {
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public let method: HTTPMethod
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public let path: String
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public let `protocol`: String
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public let sourceIp: String
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public let userAgent: String
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}
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/// Authorizer contains authorizer information for the request context.
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public struct Authorizer: Codable {
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/// JWT contains JWT authorizer information for the request context.
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public struct JWT: Codable {
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public let claims: [String: String]
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public let scopes: [String]?
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}
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let jwt: JWT
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}
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public let accountId: String
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public let apiId: String
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public let domainName: String
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public let domainPrefix: String
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public let stage: String
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public let requestId: String
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public let http: HTTP
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public let authorizer: Authorizer?
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/// The request time in format: 23/Apr/2020:11:08:18 +0000
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public let time: String
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public let timeEpoch: UInt64
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}
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public let version: String
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public let routeKey: String
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public let rawPath: String
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public let rawQueryString: String
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public let cookies: [String]?
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public let headers: HTTPHeaders
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public let queryStringParameters: [String: String]?
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public let pathParameters: [String: String]?
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public let context: Context
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public let stageVariables: [String: String]?
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public let body: String?
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public let isBase64Encoded: Bool
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enum CodingKeys: String, CodingKey {
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case version
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case routeKey
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case rawPath
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case rawQueryString
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case cookies
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case headers
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case queryStringParameters
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case pathParameters
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case context = "requestContext"
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case stageVariables
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case body
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case isBase64Encoded
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}
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}
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}
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extension APIGateway.V2 {
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public struct Response: Codable {
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public let statusCode: HTTPResponseStatus
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public let headers: HTTPHeaders?
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public let multiValueHeaders: HTTPMultiValueHeaders?
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public let body: String?
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public let isBase64Encoded: Bool?
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public let cookies: [String]?
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public init(
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statusCode: HTTPResponseStatus,
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headers: HTTPHeaders? = nil,
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multiValueHeaders: HTTPMultiValueHeaders? = nil,
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body: String? = nil,
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isBase64Encoded: Bool? = nil,
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cookies: [String]? = nil
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) {
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self.statusCode = statusCode
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self.headers = headers
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self.multiValueHeaders = multiValueHeaders
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self.body = body
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self.isBase64Encoded = isBase64Encoded
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self.cookies = cookies
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}
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}
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}

‎Sources/AWSLambdaEvents/APIGateway.swift

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//===----------------------------------------------------------------------===//
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//
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// This source file is part of the SwiftAWSLambdaRuntime open source project
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//
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// Copyright (c) 2017-2020 Apple Inc. and the SwiftAWSLambdaRuntime project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of SwiftAWSLambdaRuntime project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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import class Foundation.JSONEncoder
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// https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html
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public enum APIGateway {
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/// APIGatewayRequest contains data coming from the API Gateway
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public struct Request: Codable {
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public struct Context: Codable {
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public struct Identity: Codable {
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public let cognitoIdentityPoolId: String?
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public let apiKey: String?
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public let userArn: String?
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public let cognitoAuthenticationType: String?
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public let caller: String?
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public let userAgent: String?
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public let user: String?
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public let cognitoAuthenticationProvider: String?
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public let sourceIp: String?
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public let accountId: String?
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}
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public let resourceId: String
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public let apiId: String
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public let resourcePath: String
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public let httpMethod: String
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public let requestId: String
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public let accountId: String
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public let stage: String
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public let identity: Identity
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public let extendedRequestId: String?
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public let path: String
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}
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public let resource: String
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public let path: String
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public let httpMethod: HTTPMethod
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public let queryStringParameters: [String: String]?
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public let multiValueQueryStringParameters: [String: [String]]?
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public let headers: HTTPHeaders
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public let multiValueHeaders: HTTPMultiValueHeaders
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public let pathParameters: [String: String]?
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public let stageVariables: [String: String]?
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public let requestContext: Context
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public let body: String?
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public let isBase64Encoded: Bool
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}
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}
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// MARK: - Response -
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extension APIGateway {
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public struct Response: Codable {
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public let statusCode: HTTPResponseStatus
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public let headers: HTTPHeaders?
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public let multiValueHeaders: HTTPMultiValueHeaders?
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public let body: String?
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public let isBase64Encoded: Bool?
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public init(
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statusCode: HTTPResponseStatus,
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headers: HTTPHeaders? = nil,
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multiValueHeaders: HTTPMultiValueHeaders? = nil,
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body: String? = nil,
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isBase64Encoded: Bool? = nil
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) {
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self.statusCode = statusCode
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self.headers = headers
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self.multiValueHeaders = multiValueHeaders
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self.body = body
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self.isBase64Encoded = isBase64Encoded
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}
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}
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}

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