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Mailu/core/admin/mailu/internal
bors[bot] 4ff90683ca
Merge #1758 #1776
1758: Implement a simpler credential cache (alternative to #1755) r=mergify[bot] a=nextgens

## What type of PR?

Feature: it implements a credential cache to speedup authentication requests.

## What does this PR do?

Credentials are stored in cold-storage using a slow, salted/iterated hash function to prevent offline bruteforce attacks. This creates a performance bottleneck for no valid reason (see the
rationale/long version on https://github.com/Mailu/Mailu/issues/1194#issuecomment-762115549).

The new credential cache makes things fast again.

This is the simpler version of #1755 (with no new dependencies)

### Related issue(s)
- close #1411
- close #1194 
- close #1755

## Prerequistes
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [x] In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/guide.html#changelog) entry file.


1776: optimize generation of transport nexthop r=mergify[bot] a=ghostwheel42

## What type of PR?

bug-fix and enhancement.

## What does this PR do?

Possibly there should be more input validation when editing a relay, but for now this tries to make the best out of the existing "smtp" attribute while maintaining backwards compatibility. When relay is empty, the transport's nexthop is the MX of the relayed domain to fix #1588 

```
RELAY			NEXTHOP						TRANSPORT
empty			use MX of relay domain				smtp:domain
:port			use MX of relay domain and use port	smtp:domain:port
target			resolve A/AAAA of target			smtp:[target]
target:port		resolve A/AAAA of target and use port	smtp:[target]:port
mx:target		resolve MX of target				smtp:target
mx:target:port	resolve MX of target and use port	smtp:target:port
lmtp:target		resolve A/AAAA of target			lmtp:target
lmtp:target:port	resolve A/AAAA of target and use port	lmtp:target:port

target can also be an IPv4 or IPv6 address (an IPv6 address must be enclosed in []: [2001:DB8::]).
```

When there is proper input validation and existing database entries are migrated this function can be made much shorter again.

### Related issue(s)
- closes #1588 
- closes #1815 

## Prerequistes
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [x] In case of feature or enhancement: documentation updated accordingly
- [X] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/guide.html#changelog) entry file.


Co-authored-by: Florent Daigniere <nextgens@freenetproject.org>
Co-authored-by: Alexander Graf <ghostwheel42@users.noreply.github.com>
2021-06-29 12:15:03 +00:00
..
templates changed default.sieve to send displayed name 2018-12-30 22:06:36 +01:00
views Merge #1758 #1776 2021-06-29 12:15:03 +00:00
__init__.py Refactor the rate limiting code 2020-02-09 17:38:18 +01:00
nginx.py Merge branch 'master' into enforce-tls-admin 2021-03-09 23:40:51 +01:00