I want to run pipelines from a powershell script, and I want to do that in a secured way.
Today my powershell code runs the pipelines with System access token ( I'm talking about System.AccessToken ) by calling the REST API for Azure DevOps; I see that the URL of the API is the same as the public one.
What would happen if someone listening to the traffic discovers the System Access Token value in the request? I would like to find a way to avoid public traffic, we are avoiding PAT (Personal Access Token).
What are the risks of calling pipelines from powershell in the same azure devops server with System Access Token and a public URI of the API?
The System.AccessToken (job access token) is a security token that is dynamically generated by Azure Pipelines for each job at run time.
This means that the token is generated when the job is started up and revoked when the job is completed. And each time when you run the pipeline job, it will generated a new token for use.
The valid period of a System.AccessToken is not long-term. And our Azure DevOps also have taken the effective measures to prevent the token from being leaked when used in the pipeline.
So, you can use the System.AccessToken in your pipeline with confidence.
For more details, you can see this document.
Related
I'm trying to create a release pipeline in DevOps, that releases packages to LCS. The normal Dynamics 365 FO way of working. The issue is, I don't have an admin account without MFA that can be used to do this. Which roles or general setup, should I set on the AAD user, to be able to create the release? Currently I'm getting the AADSTS7000218 error.
I created a user that doesn't have MFA and I expect to add certain roles to be able to use this user for creating releases in DevOps.
In Azure DevOps, to create release pipeline you need "Edit release pipeline" permission set to Allow. And you need to be at least a Basic user.
And as per the document, AADSTS7000218 means The request body must contain the following parameter: 'client_assertion' or 'client_secret'. When authenticating to Azure AD to get an access token, the client application is not providing its “password” (in the form of either a client secret or a client assertion) as expected by Azure AD’s token endpoint.
You could try navigating to Azure Active Directory->App Registration and find Authentication in your application. And set "Allow public client flows" to "Yes" in Azure portal.
Here's another ticket has the similar issue, hope it can help.
I would like to run frontend end to end test from an azure devops pipeline, the website requires login using azure ad.
Unfortunately it is not easy to automate the login (sometimes involves sending code via email).
I tried using oauth and jwt tokens, but for some reason my app authentication does not recognize it when deployed to azure website.
What is the best way to have access to login protected website from azure pipeline?
Thanks
I think using an orgnization wide AD account is not secure, especially you're in a public cloud, that's why Azure provides a life-time limited project scope account. If you really want to use AD account, save its credentials in Azure Key Vault, then during the pipeline time, retrieve the credentials by the default project scope token, then you can do anything you want with the credentials.
I don't have a lot of experience regarding this, but I've done something similair using a Service Principal or Managed Identity.
I tried using oauth and jwt tokens, but for some reason my app authentication does not recognize
After a while I actually figured out that there was an identity provider configured, and there was kind of double authentication configured. After removing the jwt token started working perfectly.
In any case thanks a lot for your answers!
Is it possible to have a service principal account trigger a build pipeline? I have a CMS that whenever a document is published it fires of an event/webhook that's calls an Azure Function. The function then calls Azure DevOps using the API to trigger the correct build pipeline. Up until now we have relied on personal access tokens (PAT) from a "lucky" team member, but obviously that isn't an ideal solution. If the PAT expires or the team member leaves our pipeline breaks down. I was hoping to use the PAT Lifecycle Management API* to generate a PAT on the fly, but as the documentation states; "On-behalf-of application" solutions (such as the “client credential” flow) and any authentication flow that does not issue an Azure AD access token is not valid for use with this API".
This seems like a fairly common scenario, having an external dependency kicking of a build pipleline, so how should I go about doing this without using person-dependent tokens?
https://learn.microsoft.com/nb-no/azure/devops/organizations/accounts/manage-personal-access-tokens-via-api?view=azure-devops
Externally trigger an Azure DevOps Build using a Sevice Principal account
I am afraid it it impossible to use REST API to trigger an Azure DevOps Build using a Sevice Principal account.
That because the Azure DevOps API doesn't support non-interactive service access via service principals.
You could get the info from the document Choose the right authentication mechanism：
I am using invoke rest api task in pipeline
I have saved Azure DevOps Pat token in variable with name system.AccessToken
Its giving error unauthorized
I also tried converting PAT token to base64 and then saving in variable. Its still showing same error.
What value do I need to provide for system.AccessToken ?
You do not need to add PAT token to your variables. System.AccessToken is a special variable that carries the security token used by the running build.
In addition, you are using Invoke Rest API task in an agentless job, so you also don't need to set "allow scripts to access the OAuth token" option.
Here is my sample and it works well:
1.Create service connection:
2.Configuration of Invoke REST API task:
I have configured a Github API token in Jenkins to be used in jobs to checkout the repos.
I also have the credentials binding plugin installed to inject other types of credentials into a pipeline using the withCredentials command.
But now each pipeline can read the GitHub API token using withCredentials. How can i restrict access to certain global credentials for all jobs?
We can create Credential object at folder level instead of Global. So that only the jobs which are in that folder can assess those credential objects. The jobs out of that folder can't access those credentials objects. This may help you to resolve the issue.