user_id: user.id,
token_id: token.id,
endpoint: endpoint,
- key_auth: key_auth,
- key_p256dh: key_p256dh,
+ key_auth: ensure_base64_urlsafe(key_auth),
+ key_p256dh: ensure_base64_urlsafe(key_p256dh),
data: alerts(params)
})
end
sub -> Repo.delete(sub)
end
end
+
+ # Some webpush clients (e.g. iOS Toot!) use an non urlsafe base64 as an encoding for the key.
+ # However, the web push rfs specify to use base64 urlsafe, and the `web_push_encryption` library we use
+ # requires the key to be properly encoded. So we just convert base64 to urlsafe base64.
+ defp ensure_base64_urlsafe(string) do
+ string
+ |> String.replace("+", "-")
+ |> String.replace("/", "_")
+ |> String.replace("=", "")
+ end
end