Best practice for including private images in FCM push notifications

[Chris Harris]

Hello,

What is the best practice for including private images in FCM push notifications? If you add an image URL to an FCM notification then it must be publicly accessible, but it is not secure to add authentication information to a URL. Is it only possible to securely send private image URLs in data messages and have the application perform authentication and fetching of image?

Thanks,

Chris

[Arthur Thompson]

Hi Chris,

You are correct. If you want the FCM SDK to handle the fetching of the image for you then it needs to be a public image. Placing the URL in the data payload of a message allows you to keep it private however you will have to handle the fetching of the image yourself.

Note that for private data you should use tokens (not topics) for targeting recipients.

I hope this helps,

Arthur.

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[Chris Harris]

Great thanks Arthur!