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[feature] Discover webfinger through host-meta (#1588)

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* [feature] Discover webfinger through host-meta

This implements a fallback for discovering the webfinger endpoint in
case the /.well-known/webfinger endpoint wasn't properly redirected.
Some instances do this because the recommendation used to be to use
host-meta for the webfinger redirect in the before times.

Closes #1558.

* [bug] Ensure we only ever update cache on success

* [chore] Move finger tests to their own place

This adds a test suite for transport and moves the finger cache tests
into there instead of abusing the search test suite.

* [chore] cleanup the test a bit more

We don't really need a separate function for the oddly located webfinger
response as we check the full URL string anyway

* Address review comments

* [chore] update config example

* [chore] access DB only through state in controller
This commit is contained in:
Daenney 2023-03-08 13:57:41 +01:00 • committed by GitHub
commit e397272fe8
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13 changed files with 563 additions and 30 deletions
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21
internal/cache/gts.go vendored
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@ -20,6 +20,7 @@ package cache
import (
"codeberg.org/gruf/go-cache/v3/result"
"codeberg.org/gruf/go-cache/v3/ttl"
"github.com/superseriousbusiness/gotosocial/internal/cache/domain"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
@ -71,6 +72,9 @@ type GTSCaches interface {
// User provides access to the gtsmodel User database cache.
User() *result.Cache[*gtsmodel.User]
// Webfinger
Webfinger() *ttl.Cache[string, string]
}
// NewGTS returns a new default implementation of GTSCaches.
@ -91,6 +95,7 @@ type gtsCaches struct {
status *result.Cache[*gtsmodel.Status]
tombstone *result.Cache[*gtsmodel.Tombstone]
user *result.Cache[*gtsmodel.User]
webfinger *ttl.Cache[string, string]
}
func (c *gtsCaches) Init() {
@ -106,6 +111,7 @@ func (c *gtsCaches) Init() {
c.initStatus()
c.initTombstone()
c.initUser()
c.initWebfinger()
}
func (c *gtsCaches) Start() {
@ -145,6 +151,9 @@ func (c *gtsCaches) Start() {
tryUntil("starting gtsmodel.User cache", 5, func() bool {
return c.user.Start(config.GetCacheGTSUserSweepFreq())
})
tryUntil("starting gtsmodel.Webfinger cache", 5, func() bool {
return c.webfinger.Start(config.GetCacheGTSWebfingerSweepFreq())
})
}
func (c *gtsCaches) Stop() {
@ -160,6 +169,7 @@ func (c *gtsCaches) Stop() {
tryUntil("stopping gtsmodel.Status cache", 5, c.status.Stop)
tryUntil("stopping gtsmodel.Tombstone cache", 5, c.tombstone.Stop)
tryUntil("stopping gtsmodel.User cache", 5, c.user.Stop)
tryUntil("stopping gtsmodel.Webfinger cache", 5, c.webfinger.Stop)
}
func (c *gtsCaches) Account() *result.Cache[*gtsmodel.Account] {
@ -210,6 +220,10 @@ func (c *gtsCaches) User() *result.Cache[*gtsmodel.User] {
return c.user
}
func (c *gtsCaches) Webfinger() *ttl.Cache[string, string] {
return c.webfinger
}
func (c *gtsCaches) initAccount() {
c.account = result.New([]result.Lookup{
{Name: "ID"},
@ -355,3 +369,10 @@ func (c *gtsCaches) initUser() {
}, config.GetCacheGTSUserMaxSize())
c.user.SetTTL(config.GetCacheGTSUserTTL(), true)
}
func (c *gtsCaches) initWebfinger() {
c.webfinger = ttl.New[string, string](
0,
config.GetCacheGTSWebfingerMaxSize(),
config.GetCacheGTSWebfingerTTL())
}