Technical Addons

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Addons

Local-network links

With Local-network links from internet addons blocked, home-network addresses are loopback, private, link-local (incl. cloud metadata), carrier-grade NAT, documentation, benchmarking, multicast and reserved IPv4 ranges, their IPv6 counterparts (unique- and link-local, IPv4-mapped, NAT64, 6to4), and localhost, *.local, *.lan, *.home.arpa, *.internal; localhost. counts as localhost, and IP addresses in unusual forms (127.1, 2130706433, 0x7f.0.0.1, 0177.0.0.1) are refused everywhere. Host names are read as the browser reads them first: %-escapes decoded, fullwidth characters and the ideographic full stop folded (127。0。0。1 is 127.0.0.1), invisible characters dropped. It applies at any depth of what an addon sends (an episode's own sources too). A public link StremioK downloads itself (addon answers, subtitles, playlists) that redirects into your network is refused too, though only once it's there: the TV's browser engine follows a redirect before StremioK sees where it led, so the request into your network has been made, but its answer isn't used. A public name that resolves to a local address (DNS, incl. rebinding) isn't caught, nor a redirect followed by the TV's player or an image: the web engine gives apps no way to look up an address or stop a redirect.

What an addon sends is checked

Rebuilt from its JSON as plain data, the fields StremioK names for itself left out (an addon can't set them), the usual fields only of their usual kind (a title is text, a season a number, episodes a list), long text and lists cut short, and names every object already has (hasOwnProperty, __proto__…) dropped; a manifest's resources, types, catalogs and their extras the same.

Changing addons

Adding, removing, moving, refreshing or turning off an addon or a playlist (or allowing local-network links) clears what came from the old set (title details, sources, the catalog pages kept for an addon's empty answers), and a load still under way for the old set keeps nothing: a removed addon can't come back. Adding, refreshing or removing one only touches that addon: its manifest and its Home rows are fetched (or dropped), and every other row keeps what it has. The same goes for an IPTV playlist, and reordering or hiding Home feeds fetches nothing at all.

Waiting

Normal is 12 seconds for a manifest, a catalog page or a title's details, 15 for its subtitles and sources and 25 for a search; 20, 30, 45 or 60 seconds wait at least that long for all of them.