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What data is accessible via an application link with Jira?

P.D. Foerster

Hello there,one of my colleagues requested to test an integration of Jira with another application which needs an application link with Jira to work.

We have sensitive in our Jira instance. Searching the official documentation I didn't find any info / hints about what data an external application can retrieve if an application has been established.

Are there any restrictions or could the other application theoretically access all data from our Jira instance without us knowing?

Accepted answers

Prakhar Srivastav {Appfire}

@P_D_ Foerster

Application Link in JIRA is created through OAuth. Since your other application is not another Atlassian App then you will use Oauth without impersonation. Which means before using JIRA data the user has to authorise against JIRA. After the Authorisation user will be able to only access that data for which he has access to. If the user normally does not have access to certain data then it is not accessible via application link as well.

Please refer to this link for more details

https://confluence.atlassian.com/adminjiraserver/using-applinks-to-link-to-other-applications-938846918.html

Regards

Prakhar

All comments

Prakhar Srivastav {Appfire}

@P_D_ Foerster

Please refer to this link for more details

https://confluence.atlassian.com/adminjiraserver/using-applinks-to-link-to-other-applications-938846918.html

Regards

Prakhar

P.D. Foerster

Hi @Prakhar Srivastav {Appfire},

thanks for the explanation. Reading the documentation again I stumbled over this:

Note that Atlassian OAuth with impersonation can only be used for application links between Atlassian applications. Furthermore, it should only be used when the two applications share the same userbase, typically managed with an external directory using LDAP.

If I understand correctly, then we cannot use OAuth with impersonation since the other app (in our case StoriesOnBoards) is not an Atlassian app. Moreover, the user base is not the same. So normal OAuth is they way to go. I remember having to define a dedicated user when using OAuth without impersonation

Cheers,
Patrice

Prakhar Srivastav {Appfire}

@P_D_ Foerster

Yes. You are right.

What happens when you have application link configured via Oauth is whenever one App asks for any resource in another app for first time then they will be redirected to authorise through the other app once authorised then the same authorisation will be used for all other request.

So you need not to worry. The data will be available based on the authorisation details provided.

Regards

Prakhar

P.D. Foerster

Thank you @Prakhar Srivastav {Appfire} for the thorough explanation

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