How to export azure database to blob storage - c#

I need to know exactly how to login to Azure, using c#.
I basically want to do this, but from the code:
]a link](https://learn.microsoft.com/en-us/azure/sql-database/sql-database-export)
Here is the code I copied from the internet trying to achieve this:
But I don't know how to generate the token.
SqlManagementClient managementClient = new SqlManagementClient(new TokenCloudCredentials(subscriptionId, GetAccessToken(tenantId, clientId, secretKey)));
var exportParams = new DacExportParameters()
{
BlobCredentials = new DacExportParameters.BlobCredentialsParameter()
{
StorageAccessKey = storageKey,
Uri = new Uri(baseStorageUri)
},
ConnectionInfo = new DacExportParameters.ConnectionInfoParameter()
{
ServerName = azureSqlServer,
DatabaseName = azureSqlDatabase,
UserName = adminLogin,
Password = adminPassword
}
};
var exportResult = managementClient.Dac.Export(azureSqlServerName, exportParams);
I have a GetToken function, but I have no idea where to take the
tenant + client id + secret
private static string GetAccessToken(string tenantId, string
clientId, string secretKey)
{
var authenticationContext = new
AuthenticationContext($"https://login.windows.net/{tenantId}");
var credential = new ClientCredential(clientId, secretKey);
var result =authenticationContext
.AcquireTokenAsync("https://management.core.windows.net/",
credential);
if (result == null)
{
throw new InvalidOperationException("Failed to obtain the JWT token");
}
var token = result.Result.AccessToken;
return token;
}
This question was asked before
Azure Database export with C#
but I need to see the actual code and explanation on how to get the connection info.

I need to see the actual code and explanation on how to get the connection info.
I would recommend you follow this tutorial about registering your AAD application and adding the secret key. Moreover, you could also follow Using the Azure ARM REST API – Get Access Token.
SqlManagementClient managementClient = new SqlManagementClient(new TokenCloudCredentials(subscriptionId, GetAccessToken(tenantId, clientId, secretKey)));
Based on your code, I assumed that you are using the package Microsoft.WindowsAzure.Management.Sql, if you use the TokenCloudCredentials, you may receive the following error response:
AFAIK, Microsoft.WindowsAzure.Management.Libraries requires the X509Certificate2 authentication, you need to construct the CertificateCloudCredentials for your SqlManagementClient. For uploading a management certificate under your subscription, you could follow Upload an Azure Service Management Certificate. For retrieving the X509Certificate2 instance, you could follow the code snippet under the Authenticate using a management certificate section from here.
For token-based authentication, you could use the package Microsoft.Azure.Management.Sql and construct your SqlManagementClient as follows:
var sqlManagement = new SqlManagementClient(new TokenCredentials("{access-token}"));
Moreover, you need to change the resource from https://management.core.windows.net/ to https://management.azure.com/ when invoking the AcquireTokenAsync method.

Related

Code: BadRequest Message: /me request is only valid with delegated authentication flow

I am trying to upload file on onedrive by using microsoft graph onedrive api.
I am using the method for authentication
Client credentials provider
https://learn.microsoft.com/en-us/graph/sdks/choose-authentication-providers?tabs=CS#client-credentials-provider
Like:
// /.default scope, and preconfigure your permissions on the
// app registration in Azure. An administrator must grant consent
// to those permissions beforehand.
var scopes = new[] { "https://graph.microsoft.com/.default" };
// Multi-tenant apps can use "common",
// single-tenant apps must use the tenant ID from the Azure portal
var tenantId = "my-tenantid";
// Values from app registration
var clientId = "YOUR_CLIENT_ID";
var clientSecret = "YOUR_CLIENT_SECRET";
// using Azure.Identity;
var options = new TokenCredentialOptions
{
AuthorityHost = AzureAuthorityHosts.AzurePublicCloud
};
// https://learn.microsoft.com/dotnet/api/azure.identity.clientsecretcredential
var clientSecretCredential = new ClientSecretCredential(
tenantId, clientId, clientSecret, options);
var graphClient = new GraphServiceClient(clientSecretCredential, scopes);
HttpPostedFileBase file = Request.Files;[0];
int fileSize = file.ContentLength;
string fileName = file.FileName;
string mimeType = file.ContentType;
Stream fileContent = file.InputStream;
var res = await graphClient.Me.Drive.Root.ItemWithPath(fileName).Content
.Request()
.PutAsync<DriveItem>(fileContent);
After executing this code then it gives an error in response.
Message: /me request is only valid with delegated authentication flow.
Inner error:
AdditionalData:
date: 2021-12-29T05:30:08
request-id: b51e50ea-4a62-4dc7-b8d2-b26d75268cdc
client-request-id: b51e50ea-4a62-4dc7-b8d2-b26d75268cdc
ClientRequestId: b51e50ea-4a62-4dc7-b8d2-b26d75268cdc
Client credential flow will generate the token on behalf the app itself, so in this scenario, users don't need to sign in first to generate the token stand for the user and then call the api. And because of the design,when you used Me in the graph SDK, your code/app don't know who is Me so it can't work. You should know the user_id first and use /users/{id | userPrincipalName} instead of /Me, in the SDK, that is graphClient.Users["your_user_id"] instead of graphClient.Me
In your scenario, there're 2 solutions, one way is using delegated authentication flow like what you said in your title, another way is get the user id before calling the graph api so that you can use Users["id"] but not Me
===================== Update=========================
I haven't finished the code yet but I found the correct solution now.
Firstly, we can upload file to one drive by this api, you may check the screenshot if this is one drive or sharepoint:
https://graph.microsoft.com/v1.0/users/user_id/drive/items/root:/testupload2.txt:/content
If it is, then the next is easy, using the code below to get an access token and send http request to calling the api:
var scopes = new[] { "https://graph.microsoft.com/.default" };
var tenantId = "tenant_name.onmicrosoft.com";
var clientId = "your_azuread_clientid";
var clientSecret = "corresponding_client_secret";
var clientSecretCredential = new ClientSecretCredential(
tenantId, clientId, clientSecret);
var tokenRequestContext = new TokenRequestContext(scopes);
var token = clientSecretCredential.GetTokenAsync(tokenRequestContext).Result.Token;
I know it's complex because the api is not the same as this one which has SDK sample, but I think it also deserves to try if they are similar.

Creating an Azure DevOPS Personal Access Token (PAT) using C#

I am trying to create a PAT using the new capabilities in the TokensHttpClient. However I keep getting authorisation exception. I am using my Microsoft account which is an organization administrator.
VssCredentials creds = new VssClientCredentials();
creds.Storage = new VssClientCredentialStorage();
// Connect to Azure DevOps Services
VssConnection connection = new VssConnection(_uri, creds);
connection.ConnectAsync().SyncResult();
var t = connection.GetClient<TokenAdminHttpClient>();
//next line works as expected
var tokens = t.ListPersonalAccessTokensAsync(connection.AuthorizedIdentity.SubjectDescriptor).Result;
var tokenAdmin = connection.GetClient<TokensHttpClient>();
PatTokenCreateRequest createRequest = new PatTokenCreateRequest();
createRequest.DisplayName = "Niks_Api_Token";
createRequest.Scope = "vso.work_full";
createRequest.ValidTo = DateTime.Now.AddYears(1);
//this is where authorization exception occurs
var result = tokenAdmin.CreatePatAsync(createRequest).Result;
To manage personal access tokens with APIs, you must authenticate with an Azure AD token. Azure AD tokens are a safer authentication mechanism than using PATs. Given this API’s ability to create and revoke PATs, we want to ensure that such powerful functionality is given to allowed users only.
Please check the Prerequisites here.
Make sure your org has been connect to AAD, see here.
Please register an application in Azure AD, make sure the client secret has been created. You can refer to this doc. And add the permission of Azure DevOps.
The sample code to get Azure AD access token.
public static async Task<string> GetAccessTokenAsyncByClientCredential()
{
IConfidentialClientApplication cca = ConfidentialClientApplicationBuilder.Create(<appId/clientId>)
.WithTenantId(<tenantId>)
.WithClientSecret(<clientSecret>)
.Build();
string[] scopes = new string[] { "499b84ac-1321-427f-aa17-267ca6975798/.default" };
var result = await cca.AcquireTokenForClient(scopes).ExecuteAsync();
return result.AccessToken;
}

Get user data from a TokenCredential object (.NET)

I'm building a .NET core tool (Console app) that needs to access some Azure Keyvault secrets by using a SecretClient. This client needs a TokenCredential for which I use DefaultAzureCredential().
The client is successfully authenticated and retrieves the secrets, but can I know which method from the flow was used (i.e. Environment, Cache, CLI, interactive)? I want to display the username that was used for logged in, since you might have an account in SharedCache but you might want to use another account.
var credentials = new DefaultAzureCredential();
var secretClient = new SecretClient(new Uri(configuration["Authentication:KeyVaultUri"]), credentials);
// Just using the client to retrieve values
var settings = JsonSerializer.Deserialize<AppSettingsKeys>((await secretClient.GetSecretAsync(configuration["Authentication:SecretName"])).Value.Value);
I checked the credential object but didn't see anything useful to get the username. I want to Console.WriteLine something like Successfully logged in with pepe#test.com using SharedTokenCacheCredential
I was able to get the upn by first getting the jwt with the GetToken method, and then parsing it with a JwtSecurityTokenHandler.
Not the approach I was looking for but it works, I was wondering if there is cleaner way.
var credential = new DefaultAzureCredential();
var secretClient = new SecretClient(new Uri(configuration["Authentication:KeyVaultUri"]), credential);
var settings = JsonSerializer.Deserialize<AppSettingsKeys>((await secretClient.GetSecretAsync(configuration["Authentication:SecretName"])).Value.Value);
var token = await credential.GetTokenAsync(
new Azure.Core.TokenRequestContext(
new[] { "https://vault.azure.net/.default" }));
var handler = new JwtSecurityTokenHandler();
var jsonToken = handler.ReadToken(token.Token) as JwtSecurityToken;
var upn = jsonToken.Claims.First(c => c.Type=="upn").Value;

Azure - Programmatically Create Storage Account

I have tried the following code to create a new storage account in Azure:
Getting the token (success - I received a token):
var cc = new ClientCredential("clientId", "clientSecret");
var context = new AuthenticationContext("https://login.windows.net/subscription");
var result = context.AcquireTokenAsync("https://management.azure.com/", cc);
Create cloud storage credentials:
var credential = new TokenCloudCredentials("subscription", token);
Create the cloud storage account (fails):
using (var storageClient = new StorageManagementClient(credentials))
{
await storageClient.StorageAccounts.CreateAsync(new StorageAccountCreateParameters
{
Label = "samplestorageaccount",
Location = LocationNames.NorthEurope,
Name = "myteststorage",
AccountType = "RA-GRS"
});
}
Error:
ForbiddenError: The server failed to authenticate the request. Verify
that the certificate is valid and is associated with this
subscription.
I am not sure if this is one of those misleading messages or if I misconfigured something in Azure?
As far as I know, Azure provides two types of storage management library now.
Microsoft.Azure.Management.Storage
Microsoft.WindowsAzure.Management.Storage
Microsoft.Azure.Management.Storage is used to create new ARM storage.
Microsoft.WindowsAzure.Management.Storage is used to create classic ARM storage.
I guess you want to create the new arm storage but you used the "Microsoft.WindowsAzure.Management.Storage" library. Since the "Microsoft.WindowsAzure.Management.Storage" uses the certificate to auth requests, you will get the error. If you want to know how to use "Microsoft.WindowsAzure.Management.Storage" to create classic storage, I suggest you refer to this article.
I assume you want to create new ARM storage, I suggest you install the "Microsoft.Azure.Management.Storage" Nuget package.
More details, you could refer to the following code.
static void Main(string[] args)
{
var subscriptionId = "your subscriptionId";
var clientId = "your client id";
var tenantId = "your tenantid";
var secretKey = "secretKey";
StorageManagementClient StorageManagement = new StorageManagementClient(new Microsoft.Azure.TokenCloudCredentials(subscriptionId, GetAccessToken(tenantId, clientId, secretKey)));
var re= StorageManagement.StorageAccounts.CreateAsync("groupname", "sotrage name",new Microsoft.Azure.Management.Storage.Models.StorageAccountCreateParameters() {
Location = LocationNames.NorthEurope,
AccountType = Microsoft.Azure.Management.Storage.Models.AccountType.PremiumLRS
},new CancellationToken() { }).Result;
Console.ReadKey();
}
static string GetAccessToken(string tenantId, string clientId, string secretKey)
{
var authenticationContext = new AuthenticationContext($"https://login.windows.net/{tenantId}");
var credential = new ClientCredential(clientId, secretKey);
var result = authenticationContext.AcquireTokenAsync("https://management.core.windows.net/",
credential);
if (result == null)
{
throw new InvalidOperationException("Failed to obtain the JWT token");
}
var token = result.Result.AccessToken;
return token;
}

Access token issue while accessing the graph API

I am using the code below to fetch user from the azure AD using the graph API, but somehow I am getting the token access issue while doing so.
static async void MakeRequest()
{
var client = new HttpClient();
var queryString = HttpUtility.ParseQueryString(string.Empty);
/* OAuth2 is required to access this API. For more information visit:
https://msdn.microsoft.com/en-us/office/office365/howto/common-app-authentication-tasks */
// Specify values for the following required parameters
queryString["api-version"] = "1.6";
// Specify values for path parameters (shown as {...})
// var uri = "https://graph.windows.net/microsoft.onmicrosoft.com/users/{v-sidmis#microsoft.com}?" + queryString;
var uri = "https://graph.windows.net/72f988bf-86f1-41af-91ab-2d7cd011db47/users?api-version=1.6";
var response = await client.GetAsync(uri);
if (response.Content != null)
{
var responseString = await response.Content.ReadAsStringAsync();
Console.WriteLine(responseString);
}
}
This code is taken up from TechNet.
It depends on how you want to acquire the token. There are lots of scenario to integrate the application with Azure AD. You can refer it from here.
For example, if you want to use the Azure AD Graph in a daemon or service application, we can use the Client Credential flow.
1 . First we need to register an web application on the portal( detail steps refer here) and grant the permission to read the directory data like figure below:
2 . And then we can get the clientId, secret, tenantId from the portal and use the code below to acquire token(need to install the Active Directory Authentication Library)
string authority = "https://login.microsoftonline.com/{tenantId}";
string clientId = "";
string secret = "";
string resrouce = "https://graph.windows.net";
var credential = new ClientCredential(clientId, secret);
AuthenticationContext authContext = new AuthenticationContext(authority);
var token = authContext.AcquireTokenAsync(resrouce, credential).Result.AccessToken;
Console.WriteLine(token);
3 . Then we can use this token to call the Azure AD Graph REST directly or we can use the graph client library for Azure AD to retrieve the users. Here is the code samples for your reference:
//use the Azure AD client library
string accessToken = "";
string tenantId = "";
string graphResourceId = "https://graph.windows.net";
Uri servicePointUri = new Uri(graphResourceId);
Uri serviceRoot = new Uri(servicePointUri, tenantId);
ActiveDirectoryClient client = new ActiveDirectoryClient(serviceRoot, async () => await Task.FromResult(accessToken));
foreach(var user in client.Users.ExecuteAsync().Result.CurrentPage)
Console.WriteLine(user.DisplayName);
//using the HTTP request
var client = new HttpClient();
var tenantId = "";
var uri = $"https://graph.windows.net/{tenantId}/users?api-version=1.6";
var token = "";
client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("bearer", token);
var response = client.GetAsync(uri).Result;
var result = response.Content.ReadAsStringAsync().Result;
Console.WriteLine(result);
Update
The secrecy is available for the web application/web API when you create an application. Then you can generate the key by keys section like figure below. After you save the app, you can copy the secrect now.

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