Encrypted bridges

[Half-Shot]

This project involves setting up matrix-appservice-bridge to work with pantalaimon in such a way that encryption can be enabled for any bridge with no additional changes to the bridge logic.

Related PRs:

• Add 'usingE2EProxy' to allow users of pantialaimon to use the SDK Add option to allow users of pantialaimon to use the SDK matrix-js-sdk#1469
• Allow appservice users to /login - Allow appservice users to /login synapse#8320
• Do not try to login if the user authenticated via other means - Do not try to login if the user authenticated via other means pantalaimon#69
• matrix-appservice-bridge PR to setup syncing etc - Add support for encryption via pantalaimon #231
  • MSC2778: Providing authentication method for appservice users matrix-spec-proposals#2778
• matrix-appservice-slack PRs
  • Types PR dependency Refactor bridge to be compatible with matrix-appservice-bridge 2.0 matrix-appservice-slack#491
  • Encrypted bridge bits Encrypted Slack bridges matrix-appservice-slack#493

Next Phase PRs:

• Synapse to support sending EDUs down the transaction stream WIP: Send ephemeral events to appservices synapse#8366
  • MSC ?