Created
May 14, 2020 14:43
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ShitWeb
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| // | |
| // main.swift | |
| // ShitWeb | |
| // | |
| // Created by Yung-Luen Lan on 2020/5/14. | |
| // Copyright © 2020 Yung-Luen Lan. All rights reserved. | |
| // | |
| import Foundation | |
| import Network | |
| let content = "<html><marquee>Shit Web!</marquee></html>" | |
| func response(content: String, connection: NWConnection) { | |
| let header = | |
| """ | |
| HTTP/1.1 200 OK\r | |
| Connection: Closed\r | |
| Content-Length: \(content.data(using: .utf8)!.count)\r | |
| \r\n | |
| """ | |
| connection.send(content: header.data(using: .utf8), completion: .idempotent) | |
| connection.send(content: content.data(using: .utf8), completion: .idempotent) | |
| } | |
| func readRequest(prevData: Data, connection: NWConnection) { | |
| connection.receive(minimumIncompleteLength: 1, maximumLength: 10) { (data, ctx, isFinished, err) in | |
| var totalData = prevData | |
| if let data = data { | |
| totalData = totalData + data | |
| } | |
| var seenCR = false | |
| // CR, LF | |
| var lines: [String] = [] | |
| var line = Data() | |
| var finished = false | |
| for byte in totalData { | |
| if (byte == 0x0A && seenCR) { // LF | |
| lines.append(String(data: line, encoding: .utf8)!) | |
| if (String(data: line, encoding: .utf8)! == "") { | |
| finished = true | |
| break | |
| } | |
| line = Data() | |
| } else if (byte == 0x0D) { | |
| seenCR = true | |
| } else { | |
| seenCR = false | |
| line.append(byte) | |
| } | |
| } | |
| if (!finished) { | |
| readRequest(prevData: totalData, connection: connection) | |
| } else { | |
| print(lines) | |
| let tmp = lines[0].split(separator: " ") | |
| let method = tmp[0] | |
| let path = tmp[1] | |
| print("METHOD: \(method), Path: \(path)") | |
| response(content: "<html><marquee>You're getting \(path)</marquee></html>", connection: connection) | |
| } | |
| } | |
| } | |
| let server = try! NWListener(using: .tcp, on: 45678) | |
| server.newConnectionHandler = { connection in | |
| connection.start(queue: DispatchQueue.main) | |
| readRequest(prevData: Data(), connection: connection) | |
| // response(content: "<html></html>", connection: connection) | |
| } | |
| server.start(queue: DispatchQueue.main) | |
| print("Start server!") | |
| dispatchMain() |
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