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[feature] domain block wildcarding (#1178)

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* for domain block lookups, lookup along subdomain parts

Signed-off-by: kim <grufwub@gmail.com>

* only lookup up to a max of 5 domain parts to prevent DOS, limit inserted domains to max of 5 subdomains

Signed-off-by: kim <grufwub@gmail.com>

* add test for domain block wildcarding

Signed-off-by: kim <grufwub@gmail.com>

* check cached status first, increase cached domain time

Signed-off-by: kim <grufwub@gmail.com>

* fix domain wildcard part building logic

Signed-off-by: kim <grufwub@gmail.com>

* create separate domain.BlockCache{} type to hold all domain blocks in memory

Signed-off-by: kim <grufwub@gmail.com>

* remove unused variable

Signed-off-by: kim <grufwub@gmail.com>

* add docs and test to domain block cache, check for domain == host in domain block getter funcs

Signed-off-by: kim <grufwub@gmail.com>

* add license text

Signed-off-by: kim <grufwub@gmail.com>

* check order in which we check primary cache

Signed-off-by: kim <grufwub@gmail.com>

* add better documentation of how domain block checking is performed

Signed-off-by: kim <grufwub@gmail.com>

* change

Signed-off-by: kim <grufwub@gmail.com>

Signed-off-by: kim <grufwub@gmail.com>
This commit is contained in:
kim 2022-12-14 09:55:36 +00:00 • committed by GitHub
commit 69dd5fed2c
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5 changed files with 350 additions and 39 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"
"github.com/superseriousbusiness/gotosocial/internal/cache/domain"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
@ -41,8 +42,8 @@ type GTSCaches interface {
// Block provides access to the gtsmodel Block (account) database cache.
Block() *result.Cache[*gtsmodel.Block]
// DomainBlock provides access to the gtsmodel DomainBlock database cache.
DomainBlock() *result.Cache[*gtsmodel.DomainBlock]
// DomainBlock provides access to the domain block database cache.
DomainBlock() *domain.BlockCache
// Emoji provides access to the gtsmodel Emoji database cache.
Emoji() *result.Cache[*gtsmodel.Emoji]
@ -74,7 +75,7 @@ func NewGTS() GTSCaches {
type gtsCaches struct {
account *result.Cache[*gtsmodel.Account]
block *result.Cache[*gtsmodel.Block]
domainBlock *result.Cache[*gtsmodel.DomainBlock]
domainBlock *domain.BlockCache
emoji *result.Cache[*gtsmodel.Emoji]
emojiCategory *result.Cache[*gtsmodel.EmojiCategory]
mention *result.Cache[*gtsmodel.Mention]
@ -151,7 +152,7 @@ func (c *gtsCaches) Block() *result.Cache[*gtsmodel.Block] {
return c.block
}
func (c *gtsCaches) DomainBlock() *result.Cache[*gtsmodel.DomainBlock] {
func (c *gtsCaches) DomainBlock() *domain.BlockCache {
return c.domainBlock
}
@ -212,14 +213,10 @@ func (c *gtsCaches) initBlock() {
}
func (c *gtsCaches) initDomainBlock() {
c.domainBlock = result.NewSized([]result.Lookup{
{Name: "Domain"},
}, func(d1 *gtsmodel.DomainBlock) *gtsmodel.DomainBlock {
d2 := new(gtsmodel.DomainBlock)
*d2 = *d1
return d2
}, config.GetCacheGTSDomainBlockMaxSize())
c.domainBlock.SetTTL(config.GetCacheGTSDomainBlockTTL(), true)
c.domainBlock = domain.New(
config.GetCacheGTSDomainBlockMaxSize(),
config.GetCacheGTSDomainBlockTTL(),
)
}
func (c *gtsCaches) initEmoji() {