MD5 password hashing: https://github.com/swituo/openbilibili-go-common/blob/8866d1...
Hardcoded credentials: https://github.com/swituo/openbilibili-go-common/blob/8866d1...
More hard coded secrets: https://github.com/swituo/openbilibili-go-common/blob/8866d1...
This configuration is my favourite: https://github.com/swituo/openbilibili-go-common/blob/8866d1...
And of course, RSA keys which they use for all of their RSA encryption: https://github.com/swituo/openbilibili-go-common/blob/8866d1...
... their problem is not that the source code is all public over the internet now... their problem is the engineering team. If source code leaks the worst outcome should be some IP leakage, but not a compromised live system. That can and should be easily avoided by not having everything in your source code, especially when you are such a big company with so many employees...