New built-in OAuth Access Token Store: iCloud Key-Value Storage #85
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,82 @@ | ||
| // | ||
| // OAuthAccessTokenICloudKeyValueStore.swift | ||
| // Heimdallr | ||
| // | ||
| // Created by Fabio Milano on 05/06/16. | ||
| // Copyright © 2016 B264 GmbH. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| /// A persistent iCloud Key Value based access token store. | ||
| @objc public class OAuthAccessTokenICloudKeyValueStore: NSObject, OAuthAccessTokenStore { | ||
| private let store = NSUbiquitousKeyValueStore.defaultStore() | ||
| private let service: String | ||
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| public init(service: String = "de.rheinfabrik.heimdallr.oauth") { | ||
| self.service = service | ||
| } | ||
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| public func storeAccessToken(accessToken: OAuthAccessToken?) { | ||
| if let accessToken = accessToken { | ||
| var accessTokenDictionaryRepresentation = [String: String]() | ||
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| accessTokenDictionaryRepresentation.updateValue(accessToken.accessToken, forKey: "access_token") | ||
| accessTokenDictionaryRepresentation.updateValue(accessToken.tokenType, forKey: "token_type") | ||
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| if let refreshToken = accessToken.refreshToken { | ||
| accessTokenDictionaryRepresentation.updateValue(refreshToken, forKey: "refresh_token") | ||
| } | ||
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| accessTokenDictionaryRepresentation.updateValue(accessToken.accessToken, forKey: "access_token") | ||
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| if let expiresAt = accessToken.expiresAt { | ||
| accessTokenDictionaryRepresentation.updateValue(expiresAt.timeIntervalSince1970.description, forKey: "expires_at") | ||
| } | ||
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| store.setDictionary(accessTokenDictionaryRepresentation, forKey: service) | ||
| } | ||
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| synchronize() | ||
| } | ||
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| public func retrieveAccessToken() -> OAuthAccessToken? { | ||
| synchronize() | ||
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| if let accessTokenDictionaryRepresentation = store.dictionaryForKey(service) { | ||
| let accessToken = accessTokenDictionaryRepresentation["access_token"] as? String | ||
| let tokenType = accessTokenDictionaryRepresentation["token_type"] as? String | ||
| let refreshToken = accessTokenDictionaryRepresentation["refresh_token"] as? String | ||
| let expiresAtString = accessTokenDictionaryRepresentation["expires_at"] as? String | ||
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| let expiresAt = expiresAtString.flatMap { description in | ||
| return Double(description).flatMap { expiresAtInSeconds in | ||
| return NSDate(timeIntervalSince1970: expiresAtInSeconds) | ||
| } | ||
| } | ||
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| if let accessToken = accessToken, tokenType = tokenType { | ||
| return OAuthAccessToken(accessToken: accessToken, tokenType: tokenType, expiresAt: expiresAt, refreshToken: refreshToken) | ||
| } | ||
| } | ||
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| return nil | ||
| } | ||
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| private func synchronize() -> Void { | ||
| #if DEBUG | ||
| let synchronized = store.synchronize() | ||
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| if !synchronized { | ||
| let userInfo = [ | ||
| NSLocalizedDescriptionKey: NSLocalizedString("Could not initialize an iCloud Key Value Store", comment: ""), | ||
| NSLocalizedFailureReasonErrorKey: NSLocalizedString("Something went wrong in initializing an iCloud Key Value Store.", comment: "") | ||
| ] | ||
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| NSException(name: "OAuthAccessTokenICloudKeyValueStore", reason: NSLocalizedString("Make sure the app has registered to proper iCloud capabilities.", comment: ""), userInfo: userInfo).raise() | ||
| } | ||
| #else | ||
| store.synchronize() | ||
| #endif | ||
| } | ||
| } | ||
|
There was a problem hiding this comment. Nitpick: Missing newline :) |
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What if the optional
accessTokenis nil?