See ce7259f1

See https://github.com/matrix-org/synapse/issues/4242 for some information - we were previously vulnerable to the short TTL problem. If someone were to take sufficient control of DNS, they could trick us into doing requests to a blacklisted host.

This also fixes a vulnerability where OpenGraph images were not passed through the same validation rules.

See https://github.com/matrix-org/synapse/pull/5134

It doesn't work

Fixes #150

Fixes https://github.com/turt2live/matrix-media-repo/issues/134

This can cause a panic of the process under the right conditions

There's a race condition where a stream might not be available if the media is remote and being downloaded. After a couple download attempts, it fixes itself. This will acquire a media stream if one isn't provided to ensure that a stream is always available to the consumer.

Fixes https://github.com/turt2live/matrix-media-repo/issues/142

Might be a fix for https://github.com/turt2live/matrix-media-repo/issues/92

There's some other functions which still need some work in order to fully complete the upload process

Another step forwards to having different storage backends. s3 uploads currently not implemented

 remove t2bot.io and add ipv6 addresses to blacklist

Fix typo in README