无法跨多个iOS设备同步Amazon Cognito数据集
我已经能够在单个iOS设备上注册、确认和同步用户数据集,但在尝试在其他设备上同步时遇到问题。我正在努力弄清楚为什么会发生这种情况。在注册过程中,我同步了数据集,并可以在federated Identifications浏览器中看到它。但在其他设备上同步时,我无法读取数据集。用户信息是否本地存储在设备上?我的Cognito同步逻辑不正确吗?我还有别的办法吗?下面是我在登录时同步用户数据的代码。提前谢谢。。我真的很困惑如何解决这个问题无法跨多个iOS设备同步Amazon Cognito数据集,ios,amazon-web-services,swift3,amazon-cognito,Ios,Amazon Web Services,Swift3,Amazon Cognito,我已经能够在单个iOS设备上注册、确认和同步用户数据集,但在尝试在其他设备上同步时遇到问题。我正在努力弄清楚为什么会发生这种情况。在注册过程中,我同步了数据集,并可以在federated Identifications浏览器中看到它。但在其他设备上同步时,我无法读取数据集。用户信息是否本地存储在设备上?我的Cognito同步逻辑不正确吗?我还有别的办法吗?下面是我在登录时同步用户数据的代码。提前谢谢。。我真的很困惑如何解决这个问题 func login(usernameText : String
func login(usernameText : String, passwordText : String){
user = self.pool!.getUser(usernameText)
var userString = ""
print("Login Current thread \(Thread.current)")
user?.getSession(usernameText, password: passwordText, validationData: nil).continue({ task in
DispatchQueue.main.async {
print(" Session Current thread \(Thread.current)")
if let err = task.error { // some sort of error
print("LOGIN FAILED")
print(err)
self.userConfirmed = false
//print(err.userInfo["message"] as! String)
}
else { //Successful login!
// this gets our token from the User Pool
let ret = task.result! as AWSCognitoIdentityUserSession
let myToken = ret.idToken?.tokenString;
let customcedentialProvider = AWSCustomIdentityProvider(tokens: [AWSCustomIdentityProvider.CognitoTokenKey : myToken!])
let credentialsProvider = AWSCognitoCredentialsProvider(regionType: CognitoConstants.COGNITO_REGIONTYPE, identityPoolId: CognitoConstants.COGNITO_IDENTITY_POOL_ID, identityProviderManager: customcedentialProvider)
let configuration = AWSServiceConfiguration(region: CognitoConstants.COGNITO_REGIONTYPE, credentialsProvider:credentialsProvider)
AWSServiceManager.default().defaultServiceConfiguration = configuration
// wipe cached creds
credentialsProvider.clearKeychain()
credentialsProvider.clearCredentials()
// hit it
credentialsProvider.getIdentityId().continue({ (task: AWSTask!) -> AnyObject! in
DispatchQueue.main.async {
print("Current thread \(Thread.current)")
if (task.error != nil) {
print("Error: ")
} else {
print(credentialsProvider.identityId!)
// the task result will contain the identity id
let credentialsProviderUser = AWSCognitoCredentialsProvider(regionType:.usEast1,identityPoolId:credentialsProvider.identityId!)
let configurationUser = AWSServiceConfiguration(region:.usEast1, credentialsProvider:credentialsProviderUser)
AWSServiceManager.default().defaultServiceConfiguration = configurationUser
// Initialize the Cognito Sync client
let syncClient = AWSCognito.default()
// Get User Dataset
let dataset = syncClient?.openOrCreateDataset("myDataset")
print(dataset?.size() as Any)
let userData = dataset?.getAll()
for (key,value) in userData!{ if "\(value)".characters.count > 0 {userString.append("| Key: \(key) Value: \(value) ");print("| Key: \(key) Value: \(value) ")}
}
}
let defaults = UserDefaults.standard
defaults.setValue(userString, forKey: defaultsKeys.keyOne)
defaults.setValue(passwordText, forKey: defaultsKeys.keyTwo)
defaults.synchronize()
}
return nil
})
}}
return nil
})
}
// Class for custom tokens
class AWSCustomIdentityProvider: NSObject, AWSIdentityProviderManager
{
static let FacebookTokenKey = "graph.facebook.com"
static let GoogleTokenKey = "accounts.google.com"
static let TwitterTokenKey = "api.twitter.com"
static let CognitoTokenKey = "cognito-idp.us-east-1.amazonaws.com/us-east-1_XXXXXXXXX"
var tokens: NSDictionary = [String : String]() as NSDictionary
init(tokens: [String : String]) {
self.tokens = tokens as NSDictionary
}
func logins() -> AWSTask<NSDictionary> { // AWSIdentityProviderManager delegate method
return AWSTask(result: tokens)
}
}
func登录(usernameText:String,passwordText:String){
user=self.pool!.getUser(usernameText)
var userString=“”
打印(“登录当前线程\(thread.Current)”)
user?.getSession(usernameText,密码:passwordText,validationData:nil)。继续({task in
DispatchQueue.main.async{
打印(“会话当前线程\(thread.Current)”)
如果让err=task.error{//某种错误
打印(“登录失败”)
打印(错误)
self.userconfirm=false
//打印(err.userInfo[“message”]为!字符串)
}
否则{//登录成功!
//这将从用户池中获取我们的令牌
让ret=task.result!作为AWSCognitoIdentityUserSession
让myToken=ret.idToken?.tokenString;
让CustomedEntityProvider=AWSCustomIdentityProvider(令牌:[AWSCustomIdentityProvider.CognitokenKey:myToken!))
let credentialsProvider=AWSCognitoCredentialsProvider(regionType:CognitoConstants.COGNITO_regionType,identityPoolId:CognitoConstants.COGNITO_IDENTITY_POOL_ID,identityProviderManager:customcedentialProvider)
let configuration=AWSServiceConfiguration(区域:CognitoConstants.COGNITO_REGIONTYPE,credentialsProvider:credentialsProvider)
AWSServiceManager.default().defaultServiceConfiguration=配置
//擦去缓存的信用
credentialsProvider.clearKeychain()
credentialsProvider.clearCredentials()
//击中它
credentialsProvider.getIdentityId()。在中继续({(任务:AWSTask!)->AnyObject
DispatchQueue.main.async{
打印(“当前线程\(thread.Current)”)
如果(task.error!=nil){
打印(“错误:”)
}否则{
打印(credentialsProvider.identityId!)
//任务结果将包含标识id
让credentialsProviderUser=AWSCognitoCredentialsProvider(regionType:.usEast1,identityPoolId:credentialsProvider.identityId!)
让configurationUser=AWSServiceConfiguration(区域:.usEast1,credentialsProvider:credentialsProviderUser)
AWSServiceManager.default().defaultServiceConfiguration=configurationUser
//初始化Cognito同步客户端
让syncClient=AWSCognito.default()
//获取用户数据集
让dataset=syncClient?.openOrCreateDataset(“myDataset”)
打印(数据集?.size()如有)
让userData=dataset?.getAll()
对于userData中的(键,值){if“\(值)”.characters.count>0{userString.append(“|键:\(键)值:\(值)”);打印(|键:\(键)值:\(值)”)}
}
}
让defaults=UserDefaults.standard
setValue(userString,forKey:defaultsKeys.keyOne)
setValue(密码文本,forKey:defaultsKeys.keytower)
defaults.synchronize()
}
归零
})
}}
归零
})
}
//用于自定义令牌的类
类AWSCustomIdentityProvider:NSObject,AWSideEntityProviderManager
{
静态让FacebookTokenKey=“graph.facebook.com”
静态设置GoogleTokenKey=“accounts.google.com”
静态设置TwitterTokenKey=“api.twitter.com”
静态let cognitokenkey=“cognito idp.us-east-1.amazonaws.com/us-east-1_uxxxxxxxxx”
var标记:NSDictionary=[String:String]()作为NSDictionary
初始化(令牌:[String:String]){
self.tokens=作为NSDictionary的令牌
}
func logins()->AWSTask{//AWSIdentityProviderManager委托方法
返回AWSTask(结果:令牌)
}
}
我怀疑您没有真正获得身份验证(登录计数为0),并且您看到的同步与未经身份验证的身份相关
我怀疑这是因为您错过了对凭据的呼叫。仅获取身份id是不够的,如果您从未调用凭据,则。。。凭据提供程序从不调用您的logins(),如果他从不调用logins(),则他永远不会看到登录已完成,因此他永远不会增加登录计数(这就是为什么您可能会在identity上的identityBrowser中看到0个登录)。这意味着您正在使用未经验证的身份
如果您的登录次数为0,则未对您进行身份验证
这个答案也可能对你有所帮助
您的问题不清楚您是如何为google和twitter等生成令牌的,但我应该指出,用户池能够返回登录