Swiftpack.co - Package - arkku/Base64URLEncoding-Swift

Base-64 URL Encoding in Swift

This is a pure Swift implementation of base-64 URL encoding. At the time of writing regular base-64 encoding already exists in Apple's frameworks, but it has no support for the URL variant. The URL variant differs in that it is URL safe (as per its name) and it uses no padding.

~ Kimmo Kulovesi, 2018-01-19

Usage by Example

import Base64URLEncoding

let myString = "Lorem?ipsum"
let encodedString = myString.base64URLEncoded()!

let myData = myString.data(using: .utf8)!
let encodedData = myData.base64URLEncodedData()

let decodedData = Data(base64URLEncoded: encodedString)!
let decodedString = encodedString.base64URLDecodedString()!

Additionally, ready-made custom Data coding blocks are provided for JSONDecoder and JSONEncoder:

let encoder = JSONEncoder()
encoder.dataEncodingStrategy = .custom(base64URLDataEncoding)
let myObject = [ myData ]
let json = try! encoder.encode(myObject)

let decoder = JSONDecoder()
decoder.dataDecodingStrategy = .custom(base64URLDataDecoding)
let decodedObject = try! decoder.decode([Data].self, from: json)


Git Submodule

Add the submodule as usual:

git submodule add https://github.com/arkku/Base64URLEncoding-Swift

Then add Base64URLEncoding.xcodeproj to your project, go to your own project's target and the Build Phases tab. From there select Link Binary with Libraries and add your platform's Base64URLEncoding.framework.

Swift Package Manager

To import with the Swift Package Manager, add the dependency to your Package.swift as follows:

dependencies: [
    .package(url: "https://github.com/arkku/Base64URLEncoding-Swift", from: "1.0.0"),
targets: [
    .target(name: "MyApp", dependencies: [ "Base64URLEncoding" ]),


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