130 lines
4.8 KiB
Swift
130 lines
4.8 KiB
Swift
//
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// SocketExtensions.swift
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// Socket.IO-Client-Swift
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//
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// Created by Erik Little on 7/1/2016.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Dispatch
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import Foundation
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#if !os(Linux)
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import StarscreamSocketIO
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#endif
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enum JSONError : Error {
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case notArray
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case notNSDictionary
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}
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extension Array {
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func toJSON() throws -> Data {
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return try JSONSerialization.data(withJSONObject: self, options: JSONSerialization.WritingOptions(rawValue: 0))
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}
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}
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extension CharacterSet {
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static var allowedURLCharacterSet: CharacterSet {
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return CharacterSet(charactersIn: "!*'();:@&=+$,/?%#[]\" {}").inverted
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}
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}
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extension NSDictionary {
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private static func keyValueToSocketIOClientOption(key: String, value: Any) -> SocketIOClientOption? {
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switch (key, value) {
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case let ("connectParams", params as [String: Any]):
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return .connectParams(params)
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case let ("cookies", cookies as [HTTPCookie]):
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return .cookies(cookies)
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case let ("extraHeaders", headers as [String: String]):
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return .extraHeaders(headers)
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case let ("forceNew", force as Bool):
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return .forceNew(force)
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case let ("forcePolling", force as Bool):
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return .forcePolling(force)
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case let ("forceWebsockets", force as Bool):
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return .forceWebsockets(force)
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case let ("handleQueue", queue as DispatchQueue):
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return .handleQueue(queue)
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case let ("log", log as Bool):
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return .log(log)
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case let ("logger", logger as SocketLogger):
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return .logger(logger)
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case let ("nsp", nsp as String):
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return .nsp(nsp)
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case let ("path", path as String):
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return .path(path)
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case let ("reconnects", reconnects as Bool):
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return .reconnects(reconnects)
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case let ("reconnectAttempts", attempts as Int):
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return .reconnectAttempts(attempts)
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case let ("reconnectWait", wait as Int):
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return .reconnectWait(wait)
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case let ("secure", secure as Bool):
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return .secure(secure)
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case let ("security", security as SSLSecurity):
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return .security(security)
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case let ("selfSigned", selfSigned as Bool):
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return .selfSigned(selfSigned)
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case let ("sessionDelegate", delegate as URLSessionDelegate):
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return .sessionDelegate(delegate)
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case let ("compress", compress as Bool):
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return compress ? .compress : nil
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default:
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return nil
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}
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}
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func toSocketConfiguration() -> SocketIOClientConfiguration {
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var options = [] as SocketIOClientConfiguration
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for (rawKey, value) in self {
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if let key = rawKey as? String, let opt = NSDictionary.keyValueToSocketIOClientOption(key: key, value: value) {
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options.insert(opt)
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}
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}
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return options
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}
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}
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extension String {
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func toArray() throws -> [Any] {
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guard let stringData = data(using: .utf16, allowLossyConversion: false) else { return [] }
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guard let array = try JSONSerialization.jsonObject(with: stringData, options: .mutableContainers) as? [Any] else {
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throw JSONError.notArray
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}
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return array
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}
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func toDictionary() throws -> [String: Any] {
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guard let binData = data(using: .utf16, allowLossyConversion: false) else { return [:] }
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guard let json = try JSONSerialization.jsonObject(with: binData, options: .allowFragments) as? [String: Any] else {
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throw JSONError.notNSDictionary
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}
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return json
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}
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func urlEncode() -> String? {
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return addingPercentEncoding(withAllowedCharacters: .allowedURLCharacterSet)
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}
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}
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