Assets API Update Rendition Mime Type

[btaymaz]

We migrated our assets from another system. Some file extension are not formatted correctly, like "filename.jpg (1)". AEM couldn't figured out mime type, so DAM Update Asset workflow couldn't generate renditions.

I tried to add mime type manually via Assets API but I'm getting "Forbidden" error. Any ideas?

Spoiler

PUT /api/assets/myfolder/myAsset.png/renditions/original -H"Content-Type: application/json" -d '{"properties":{"jcr:mimeType":"image/jpeg"}}'

[Asutosh_Jena_]

Hi @btaymaz 

You can try in the below way:

1. Use the PUT request with the asset URL e.g. http://localhost:4502/api/assets/wknd-events/wknd-events.jpg
2. Set the Authorization type as "Basic Auth" with username and password.
3. Set the "Content-Type" header as "application/json".
4. Use the below request body:

{
    "properties": {
    "metadata" : {
        "dam:MIMEtype":"image/jpeg"
       }
   }
}

This will set the mime type on metadata node.

Hope this helps!

Thanks 

[btaymaz]

This put it to asset level, thumbnail creation looks under "renditions/original"

[Asutosh_Jena_]

All the metadata information are stored under "metadata" node. So you need to pass the information as mentioned above.

[btaymaz]

No, this is not true. Each rendition has it's own mimetype, including original

[arunpatidar]

Please check https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager-assets/assets-6-4-http-api...

If it is Author, you may need to use credentials to connect.

[btaymaz]

I'm passing credentials, it works at this level "/api/assets/myfolder/myAsset.png" but not "/api/assets/myfolder/myAsset.png/renditions/original""

[arunpatidar]

but original node does not contains any meta property, when you need to set mime type there?