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How to automatically download attachment ?

Albert Cameron

I am creating an attachment on the server.

Now the bonus would be to automatically download it on the user's local storage (e.g. Downloads folder) when a certain transition is triggered.

Is there any way to do this. The browser only knows HTML and JavaScript so it only could be possible to use some Web technology.

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Kishan Sharma

Hi @Albert Cameron You can write a postfunction on the workflow transition to download attachment from JIRA via REST API. Refer this link for the method.

Albert Cameron

Ok. I understand. So by using this REST call I will get the URL of the attachment. But then I would have to use javaScript or HTML to download automatically. So where do I have to put this JavaScript code ?

Kishan Sharma

Using REST API you can get the URL of the attachment, as well as download it. You can script it in groovy and add new post function to your workflow transition. Please find the instructions for adding a post function on this link.

Albert Cameron

Ok. From the postfunction I can call first the REST API to get the metadata . So the URL to get the actual File would be e.g. "self": "http://www.example.com/jira/rest/api/2.0/attachments/10000",

Now comes the difficult part. If I just call this URL for the actual file from the postfunction it doesn't help me. I need a way to return the file to the client.

So maybe I will need a Web Resource which I call to return the file.

You shouldn't forget that all this postfunction stuff happens on the server. But the file has to be returned to the client.

The only way to get the file on the client is to use JavaScript. I am pretty sure about that. But where to put the JavaScript . That is my question right now.

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