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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // | ||
| // Helpers.swift | ||
| // Simplicity | ||
| // | ||
| // Created by Edward Jiang on 5/10/16. | ||
| // Copyright © 2016 Stormpath. All rights reserved. | ||
| // | ||
|
|
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| import Foundation | ||
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| class Helpers { | ||
| static func registeredURLSchemes(matching closure: String -> Bool) -> [String] { | ||
| guard let urlTypes = NSBundle.mainBundle().infoDictionary?["CFBundleURLTypes"] as? [[String: AnyObject]] else { | ||
| return [String]() | ||
| } | ||
|
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| // Convert the complex dictionary into an array of URL schemes | ||
| let urlSchemes = urlTypes.flatMap({($0["CFBundleURLSchemes"] as? [String])?.first }) | ||
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| return urlSchemes.flatMap({closure($0) ? $0 : nil}) | ||
| } | ||
|
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| static func queryString(parts: [String: String]) -> String? { | ||
| return parts.map { $0 + "=" + $1 }.joinWithSeparator("&").stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet()) | ||
| } | ||
| } | ||
|
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| extension NSURL { | ||
| /// Dictionary with key/value pairs from the URL fragment | ||
| var fragmentDictionary: [String: String] { | ||
| return dictionaryFromFormEncodedString(fragment) | ||
| } | ||
|
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| /// Dictionary with key/value pairs from the URL query string | ||
| var queryDictionary: [String: String] { | ||
| return dictionaryFromFormEncodedString(query) | ||
| } | ||
|
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| private func dictionaryFromFormEncodedString(input: String?) -> [String: String] { | ||
| var result = [String: String]() | ||
|
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| guard let input = input else { | ||
| return result | ||
| } | ||
| let inputPairs = input.componentsSeparatedByString("&") | ||
|
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| for pair in inputPairs { | ||
| let split = pair.componentsSeparatedByString("=") | ||
| if split.count == 2 { | ||
| if let key = split[0].stringByRemovingPercentEncoding, value = split[1].stringByRemovingPercentEncoding { | ||
| result[key] = value | ||
| } | ||
| } | ||
| } | ||
| return result | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| // | ||
| // LoginProvider.swift | ||
| // Simplicity | ||
| // | ||
| // Created by Edward Jiang on 5/10/16. | ||
| // Copyright © 2016 Stormpath. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
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| public protocol LoginProvider { | ||
| var authorizationURL: NSURL { get } | ||
| var urlScheme: String { get } | ||
|
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| func linkHandler(url: NSURL, callback: ExternalLoginCallback?) | ||
|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| // | ||
| // Facebook.swift | ||
| // Simplicity | ||
| // | ||
| // Created by Edward Jiang on 5/10/16. | ||
| // Copyright © 2016 Stormpath. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
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| public class FacebookLoginProvider: OAuth2LoginProvider { | ||
| public var scopes = Set<String>() | ||
| public var urlScheme: String | ||
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| public var state = arc4random_uniform(10000000) | ||
| public var clientId: String | ||
| public var grantType: OAuth2GrantType = .Custom | ||
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| public var authorizationURL: NSURL { | ||
| // Auth_type is re-request since we need to ask for email scope again if | ||
| // people decline the email permission. If it gets annoying because | ||
| // people keep asking for more scopes, we can change this. | ||
|
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| let query = ["client_id": clientId, | ||
| "redirect_uri": urlScheme + "://authorize", | ||
| "response_type": "token", | ||
| "scope": scopes.joinWithSeparator(" "), | ||
| "auth_type": "rerequest", | ||
| "state": String(state)] | ||
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| let queryString = Helpers.queryString(query)! | ||
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| return NSURL(string: "https://www.facebook.com/dialog/oauth?\(queryString)")! | ||
| } | ||
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| public func linkHandler(url: NSURL, callback: ExternalLoginCallback?) { | ||
| if(url.queryDictionary["error"] != nil) { | ||
| // We are not even going to callback, because the user never started | ||
| // the login process in the first place. Error is always because | ||
| // people cancelled the FB login according to https://developers.facebook.com/docs/facebook-login/manually-build-a-login-flow | ||
| return | ||
| } | ||
|
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| // Get the access token, and check that the state is the same | ||
| guard let accessToken = url.fragmentDictionary["access_token"] where url.fragmentDictionary["state"] == "\(state)" else { | ||
| callback?(authToken: nil, error: nil) | ||
| return | ||
| } | ||
|
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| callback?(authToken: accessToken, error: nil) | ||
| } | ||
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| public init?() { | ||
| // Search for URL Scheme, error if not there | ||
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| guard let urlScheme = Helpers.registeredURLSchemes(matching: {$0.hasPrefix("fb")}).first, | ||
| range = urlScheme.rangeOfString("\\d+", options: .RegularExpressionSearch) else { | ||
| return nil | ||
| } | ||
| self.urlScheme = urlScheme | ||
| self.clientId = urlScheme.substringWithRange(range) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // | ||
| // OAuth2LoginProvider.swift | ||
| // Simplicity | ||
| // | ||
| // Created by Edward Jiang on 5/10/16. | ||
| // Copyright © 2016 Stormpath. All rights reserved. | ||
| // | ||
|
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||
| import Foundation | ||
|
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| public protocol OAuth2LoginProvider: LoginProvider { | ||
| var clientId: String { get } | ||
| var scopes: Set<String> { get set } | ||
| var grantType: OAuth2GrantType { get } | ||
| } | ||
|
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| public protocol OAuth2Scopes { | ||
| var set: Set<String> { get set } | ||
| var string: String { get } | ||
| } | ||
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| public extension OAuth2Scopes { | ||
| public var string: String { | ||
| return set.joinWithSeparator(" ") | ||
| } | ||
| } | ||
|
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| public enum OAuth2GrantType { | ||
| case AuthorizationCode, Implicit, Custom | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| // | ||
| // Simplicity.swift | ||
| // Simplicity | ||
| // | ||
| // Created by Edward Jiang on 5/10/16. | ||
| // Copyright © 2016 Stormpath. All rights reserved. | ||
| // | ||
|
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| import UIKit | ||
| import SafariServices | ||
|
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| public typealias ExternalLoginCallback = (authToken: String?, error: NSError?) -> Void | ||
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| public class LoginManager: NSObject { | ||
| static var currentLoginProvider: LoginProvider? | ||
| static var callback: ExternalLoginCallback? | ||
| static var safari: UIViewController? | ||
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| public static func login(loginProvider: LoginProvider, callback: ExternalLoginCallback? = nil) { | ||
| self.currentLoginProvider = loginProvider | ||
| self.callback = callback | ||
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| presentSafariView(loginProvider.authorizationURL) | ||
| } | ||
|
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| /// Deep link handler (iOS9) | ||
| public static func application(app: UIApplication, openURL url: NSURL, options: [String : AnyObject]) -> Bool { | ||
| if url.scheme != currentLoginProvider?.urlScheme { | ||
| return false | ||
| } | ||
| currentLoginProvider?.linkHandler(url, callback: callback) | ||
|
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| return true | ||
| } | ||
|
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| /// Deep link handler (<iOS9) | ||
| public static func application(application: UIApplication, openURL url: NSURL, sourceApplication: String?, annotation: AnyObject) -> Bool { | ||
| return self.application(application, openURL: url, options: [String: AnyObject]()) | ||
| } | ||
|
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| static func presentSafariView(url: NSURL) { | ||
| if #available(iOS 9, *) { | ||
| safari = SFSafariViewController(URL: url) | ||
| UIApplication.sharedApplication().delegate?.window??.rootViewController?.presentViewController(safari!, animated: true, completion: nil) | ||
| } else { | ||
| UIApplication.sharedApplication().openURL(url) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| # | ||
| # Be sure to run `pod lib lint Simplicity.podspec' to ensure this is a | ||
| # valid spec before submitting. | ||
| # | ||
| # Any lines starting with a # are optional, but their use is encouraged | ||
| # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html | ||
| # | ||
|
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| Pod::Spec.new do |s| | ||
| s.name = "Simplicity" | ||
| s.version = "0.1.0" | ||
| s.summary = "A framework for authenticating with external providers on iOS" | ||
|
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| # This description is used to generate tags and improve search results. | ||
| # * Think: What does it do? Why did you write it? What is the focus? | ||
| # * Try to keep it short, snappy and to the point. | ||
| # * Write the description between the DESC delimiters below. | ||
| # * Finally, don't worry about the indent, CocoaPods strips it! | ||
|
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| s.description = <<-DESC | ||
| A framework for authenticating with external providers on iOS | ||
| DESC | ||
|
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| s.homepage = "https://github.com/SimplicityMobile/Simplicity" | ||
| # s.screenshots = "www.example.com/screenshots_1", "www.example.com/screenshots_2" | ||
| s.license = 'Apache2' | ||
| s.author = { "Edward Jiang" => "[email protected]" } | ||
| s.source = { :git => "https://github.com/SimplicityMobile/Simplicity.git", :tag => s.version.to_s } | ||
| # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>' | ||
|
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| s.ios.deployment_target = '8.0' | ||
|
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| s.source_files = 'Simplicity/**/*.swift' | ||
|
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| # s.resource_bundles = { | ||
| # 'Simplicity' => ['Simplicity/Assets/*.png'] | ||
| # } | ||
|
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| s.public_header_files = 'Simplicity/**/*.h' | ||
| # s.frameworks = 'UIKit', 'MapKit' | ||
| # s.dependency 'AFNetworking', '~> 2.3' | ||
| end |