This would happen to people who transferred their KDE Connect config from
one phone to another (mostly with backup apps that only work on rooted
phones). This led to a state where other devices would always reject the
connection because the certificate CN didn't match the device ID.
On the PC side this is not a problem because the certificate is the source
of truth for the device ID.
Summary:
So from android 8 onwards it appears that fetching content from "cleartext" urls is disabled by default
https://stackoverflow.com/questions/45940861/android-8-cleartext-http-traffic-not-permitted
I have a mpris service running on my local computer which is connected to the android, that service is also serving cover art for currently playing song. Obviously I can not have a domain set for my computer on a local machine, so cover art urls look like
`http://<ip>:<port>/<songid>.ext` . Since this restriction was introduced into android 8, kde connect is not able to fetch the art from this url.
This is patch allows connections to raw IPs addresses as well. If there is any security issues regarding this change, I'm prepared to do more work, my suggestion would be to check if IP address in this case matches paired computer's IP address, although this would still be a bit annoying (especially since whatever malicious file can be served from a "cleartext" link as well).
Test Plan:
- start some sort of server which can serve an image on a paired computer
- create mpris Player instance on a paired computer and set the `mpris:artUrl` to the served address where this image is available
- open kde connect android app, select prepared player and see default cover art instead of the served image
- change artUrl to some image from the web
- check in kde connect again and see it correctly show a remote image
Reviewers: #kde_connect, nicolasfella, albertvaka
Reviewed By: #kde_connect, nicolasfella, albertvaka
Subscribers: albertvaka, nicolasfella, andyholmes, kdeconnect
Tags: #kde_connect
Differential Revision: https://phabricator.kde.org/D21247
