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Add HTTP types adapter for SwiftNIO (#202)
* Add HTTP types adapter for SwiftNIO * swiftformat * Guard on Swift 5.8 * Review comments * Update swift-http-types to 0.1.1 * Update swift-http-types to 1.0.0 * Review feedback * Review feedback * Bump minimum Swift version to 5.7.1 * Allow Host in any order
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| version: 1 | ||
| builder: | ||
| configs: | ||
| - documentation_targets: [NIOExtras, NIOHTTPCompression, NIOSOCKS] | ||
| - documentation_targets: [NIOExtras, NIOHTTPCompression, NIOSOCKS, NIOHTTPTypes, NIOHTTPTypesHTTP1, NIOHTTPTypesHTTP2] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftNIO open source project | ||
| // | ||
| // Copyright (c) 2023 Apple Inc. and the SwiftNIO project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.txt for the list of SwiftNIO project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| import HTTPTypes | ||
| import NIOCore | ||
|
|
||
| /// The parts of a complete HTTP request. | ||
| /// | ||
| /// An HTTP request message is made up of a request encoded by `.head`, zero or | ||
| /// more body parts, and optionally some trailers. | ||
| /// | ||
| /// To indicate that a complete HTTP message has been sent or received, we use | ||
| /// `.end`, which may also contain any trailers that make up the message. | ||
| public enum HTTPRequestPart: Sendable, Hashable { | ||
| case head(HTTPRequest) | ||
| case body(ByteBuffer) | ||
| case end(HTTPFields?) | ||
| } | ||
|
|
||
| /// The parts of a complete HTTP response. | ||
| /// | ||
| /// An HTTP response message is made up of one or more response headers encoded | ||
| /// by `.head`, zero or more body parts, and optionally some trailers. | ||
| /// | ||
| /// To indicate that a complete HTTP message has been sent or received, we use | ||
| /// `.end`, which may also contain any trailers that make up the message. | ||
| public enum HTTPResponsePart: Sendable, Hashable { | ||
| case head(HTTPResponse) | ||
| case body(ByteBuffer) | ||
| case end(HTTPFields?) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftNIO open source project | ||
| // | ||
| // Copyright (c) 2023 Apple Inc. and the SwiftNIO project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.txt for the list of SwiftNIO project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| import HTTPTypes | ||
| import NIOCore | ||
| import NIOHTTP1 | ||
| import NIOHTTPTypes | ||
|
|
||
| /// A simple channel handler that translates HTTP/1 messages into shared HTTP types, | ||
| /// and vice versa, for use on the client side. | ||
| public final class HTTP1ToHTTPClientCodec: ChannelDuplexHandler { | ||
| public typealias InboundIn = HTTPClientResponsePart | ||
| public typealias InboundOut = HTTPResponsePart | ||
|
|
||
| public typealias OutboundIn = HTTPRequestPart | ||
| public typealias OutboundOut = HTTPClientRequestPart | ||
|
|
||
| /// Initializes a `HTTP1ToHTTPClientCodec`. | ||
| public init() {} | ||
|
|
||
| public func channelRead(context: ChannelHandlerContext, data: NIOAny) { | ||
| switch self.unwrapInboundIn(data) { | ||
| case .head(let head): | ||
| do { | ||
| let newResponse = try HTTPResponse(head) | ||
| context.fireChannelRead(self.wrapInboundOut(.head(newResponse))) | ||
| } catch { | ||
| context.fireErrorCaught(error) | ||
| } | ||
| case .body(let body): | ||
| context.fireChannelRead(self.wrapInboundOut(.body(body))) | ||
| case .end(let trailers): | ||
| let newTrailers = trailers.map { HTTPFields($0, splitCookie: false) } | ||
| context.fireChannelRead(self.wrapInboundOut(.end(newTrailers))) | ||
| } | ||
| } | ||
|
|
||
| public func write(context: ChannelHandlerContext, data: NIOAny, promise: EventLoopPromise<Void>?) { | ||
| switch self.unwrapOutboundIn(data) { | ||
| case .head(let request): | ||
| do { | ||
| let oldRequest = try HTTPRequestHead(request) | ||
| context.write(self.wrapOutboundOut(.head(oldRequest)), promise: promise) | ||
| } catch { | ||
| context.fireErrorCaught(error) | ||
| promise?.fail(error) | ||
| } | ||
| case .body(let body): | ||
| context.write(self.wrapOutboundOut(.body(.byteBuffer(body))), promise: promise) | ||
| case .end(let trailers): | ||
| context.write(self.wrapOutboundOut(.end(trailers.map(HTTPHeaders.init))), promise: promise) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// A simple channel handler that translates HTTP/1 messages into shared HTTP types, | ||
| /// and vice versa, for use on the server side. | ||
| public final class HTTP1ToHTTPServerCodec: ChannelDuplexHandler { | ||
| public typealias InboundIn = HTTPServerRequestPart | ||
| public typealias InboundOut = HTTPRequestPart | ||
|
|
||
| public typealias OutboundIn = HTTPResponsePart | ||
| public typealias OutboundOut = HTTPServerResponsePart | ||
|
|
||
| private let secure: Bool | ||
| private let splitCookie: Bool | ||
|
|
||
| /// Initializes a `HTTP1ToHTTPServerCodec`. | ||
| /// - Parameters: | ||
| /// - secure: Whether "https" or "http" is used. | ||
| /// - splitCookie: Whether the cookies received from the server should be split | ||
| /// into multiple header fields. Defaults to false. | ||
| public init(secure: Bool, splitCookie: Bool = false) { | ||
| self.secure = secure | ||
| self.splitCookie = splitCookie | ||
| } | ||
|
|
||
| public func channelRead(context: ChannelHandlerContext, data: NIOAny) { | ||
| switch self.unwrapInboundIn(data) { | ||
| case .head(let head): | ||
| do { | ||
| let newRequest = try HTTPRequest(head, secure: self.secure, splitCookie: self.splitCookie) | ||
| context.fireChannelRead(self.wrapInboundOut(.head(newRequest))) | ||
| } catch { | ||
| context.fireErrorCaught(error) | ||
| } | ||
| case .body(let body): | ||
| context.fireChannelRead(self.wrapInboundOut(.body(body))) | ||
| case .end(let trailers): | ||
| let newTrailers = trailers.map { HTTPFields($0, splitCookie: false) } | ||
| context.fireChannelRead(self.wrapInboundOut(.end(newTrailers))) | ||
| } | ||
| } | ||
|
|
||
| public func write(context: ChannelHandlerContext, data: NIOAny, promise: EventLoopPromise<Void>?) { | ||
| switch self.unwrapOutboundIn(data) { | ||
| case .head(let response): | ||
| let oldResponse = HTTPResponseHead(response) | ||
| context.write(self.wrapOutboundOut(.head(oldResponse)), promise: promise) | ||
| case .body(let body): | ||
| context.write(self.wrapOutboundOut(.body(.byteBuffer(body))), promise: promise) | ||
| case .end(let trailers): | ||
| context.write(self.wrapOutboundOut(.end(trailers.map(HTTPHeaders.init))), promise: promise) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftNIO open source project | ||
| // | ||
| // Copyright (c) 2023 Apple Inc. and the SwiftNIO project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.txt for the list of SwiftNIO project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| import HTTPTypes | ||
| import NIOCore | ||
| import NIOHTTP1 | ||
| import NIOHTTPTypes | ||
|
|
||
| /// A simple channel handler that translates shared HTTP types into HTTP/1 messages, | ||
| /// and vice versa, for use on the client side. | ||
| /// | ||
| /// This is intended for compatibility purposes where a channel handler working with | ||
| /// HTTP/1 messages needs to work on top of the new version-independent HTTP types | ||
| /// abstraction. | ||
| public final class HTTPToHTTP1ClientCodec: ChannelDuplexHandler { | ||
| public typealias InboundIn = HTTPResponsePart | ||
| public typealias InboundOut = HTTPClientResponsePart | ||
|
|
||
| public typealias OutboundIn = HTTPClientRequestPart | ||
| public typealias OutboundOut = HTTPRequestPart | ||
|
|
||
| private let secure: Bool | ||
| private let splitCookie: Bool | ||
|
|
||
| /// Initializes a `HTTPToHTTP1ClientCodec`. | ||
| /// - Parameters: | ||
| /// - secure: Whether "https" or "http" is used. | ||
| /// - splitCookie: Whether the cookies sent by the client should be split | ||
| /// into multiple header fields. Splitting the `Cookie` | ||
| /// header field improves the performance of HTTP/2 and | ||
| /// HTTP/3 clients by allowing individual cookies to be | ||
| /// indexed separately in the dynamic table. It has no | ||
| /// effects in HTTP/1. Defaults to true. | ||
| public init(secure: Bool, splitCookie: Bool = true) { | ||
| self.secure = secure | ||
| self.splitCookie = splitCookie | ||
| } | ||
|
|
||
| public func channelRead(context: ChannelHandlerContext, data: NIOAny) { | ||
| switch self.unwrapInboundIn(data) { | ||
| case .head(let head): | ||
| let oldResponse = HTTPResponseHead(head) | ||
| context.fireChannelRead(self.wrapInboundOut(.head(oldResponse))) | ||
| case .body(let body): | ||
| context.fireChannelRead(self.wrapInboundOut(.body(body))) | ||
| case .end(let trailers): | ||
| context.fireChannelRead(self.wrapInboundOut(.end(trailers.map(HTTPHeaders.init)))) | ||
| } | ||
| } | ||
|
|
||
| public func write(context: ChannelHandlerContext, data: NIOAny, promise: EventLoopPromise<Void>?) { | ||
| switch self.unwrapOutboundIn(data) { | ||
| case .head(let request): | ||
| do { | ||
| let newRequest = try HTTPRequest(request, secure: self.secure, splitCookie: self.splitCookie) | ||
| context.write(self.wrapOutboundOut(.head(newRequest)), promise: promise) | ||
| } catch { | ||
| context.fireErrorCaught(error) | ||
| promise?.fail(error) | ||
| } | ||
| case .body(.byteBuffer(let body)): | ||
| context.write(self.wrapOutboundOut(.body(body)), promise: promise) | ||
| case .body: | ||
| fatalError("File region not supported") | ||
| case .end(let trailers): | ||
| let newTrailers = trailers.map { HTTPFields($0, splitCookie: false) } | ||
| context.write(self.wrapOutboundOut(.end(newTrailers)), promise: promise) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// A simple channel handler that translates shared HTTP types into HTTP/1 messages, | ||
| /// and vice versa, for use on the server side. | ||
| /// | ||
| /// This is intended for compatibility purposes where a channel handler working with | ||
| /// HTTP/1 messages needs to work on top of the new version-independent HTTP types | ||
| /// abstraction. | ||
| public final class HTTPToHTTP1ServerCodec: ChannelDuplexHandler { | ||
| public typealias InboundIn = HTTPRequestPart | ||
| public typealias InboundOut = HTTPServerRequestPart | ||
|
|
||
| public typealias OutboundIn = HTTPServerResponsePart | ||
| public typealias OutboundOut = HTTPResponsePart | ||
|
|
||
| /// Initializes a `HTTPToHTTP1ServerCodec`. | ||
| public init() {} | ||
|
|
||
| public func channelRead(context: ChannelHandlerContext, data: NIOAny) { | ||
| switch self.unwrapInboundIn(data) { | ||
| case .head(let head): | ||
| do { | ||
| let oldRequest = try HTTPRequestHead(head) | ||
| context.fireChannelRead(self.wrapInboundOut(.head(oldRequest))) | ||
| } catch { | ||
| context.fireErrorCaught(error) | ||
| } | ||
| case .body(let body): | ||
| context.fireChannelRead(self.wrapInboundOut(.body(body))) | ||
| case .end(let trailers): | ||
| context.fireChannelRead(self.wrapInboundOut(.end(trailers.map(HTTPHeaders.init)))) | ||
| } | ||
| } | ||
|
|
||
| public func write(context: ChannelHandlerContext, data: NIOAny, promise: EventLoopPromise<Void>?) { | ||
| switch self.unwrapOutboundIn(data) { | ||
| case .head(let response): | ||
| do { | ||
| let newResponse = try HTTPResponse(response) | ||
| context.write(self.wrapOutboundOut(.head(newResponse)), promise: promise) | ||
| } catch { | ||
| context.fireErrorCaught(error) | ||
| promise?.fail(error) | ||
| } | ||
| case .body(.byteBuffer(let body)): | ||
| context.write(self.wrapOutboundOut(.body(body)), promise: promise) | ||
| case .body: | ||
| fatalError("File region not supported") | ||
| case .end(let trailers): | ||
| let newTrailers = trailers.map { HTTPFields($0, splitCookie: false) } | ||
| context.write(self.wrapOutboundOut(.end(newTrailers)), promise: promise) | ||
| } | ||
| } | ||
| } |
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