76 lines
2.8 KiB
Swift
76 lines
2.8 KiB
Swift
// Copyright (c) 2016 Peter Siegesmund <peter.siegesmund@icloud.com>
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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 Foundation
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// Base64
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func randomBase64String(_ n: Int = 20) -> String {
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var string = ""
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let BASE64_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_"
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for _ in 1...n {
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let r = arc4random() % UInt32(BASE64_CHARS.characters.count)
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let index = BASE64_CHARS.characters.index(BASE64_CHARS.startIndex, offsetBy: Int(r))
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let c = BASE64_CHARS[index]
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string += String(c)
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}
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return string
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}
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func toBase64(_ string: String) -> String {
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let encodedData = (string as NSString).data(using: String.Encoding.utf8.rawValue)
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let base64String = encodedData!.base64EncodedString(options: NSData.Base64EncodingOptions(rawValue: 0))
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return base64String as String
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}
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func fromBase64(_ string: String) -> String {
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let decodedData = Data(base64Encoded: string, options: NSData.Base64DecodingOptions(rawValue: 0))
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let decodedString = String(data: decodedData!, encoding: .utf8)
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return decodedString ?? ""
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}
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// URL Parsing
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// Returns a dictionary of arguments
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func getArguments(fromUrl url: String) -> [String:String] {
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var componentsDictionary:[String:String] = [:]
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let components = URLComponents(string: url)
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components?.queryItems?.forEach { item in componentsDictionary[item.name] = item.value }
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return componentsDictionary
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}
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func getValue(fromUrl url: String, forArgument argument:String) -> String? {
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let arguments = getArguments(fromUrl: url)
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print("Arguments \(arguments) for url: \(url)")
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return arguments[argument]
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}
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// Misc
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func dateFromTimestamp(_ containedIn: NSDictionary) -> Date {
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let date = containedIn["$date"] as? Double
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let timestamp = TimeInterval(date! / 1000)
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return Date(timeIntervalSince1970: timestamp)
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}
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