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perma blacklist functionality, temp banning not working

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This commit is contained in:
0ceanSlim 2024-08-15 11:00:43 -04:00
parent 22729612ff
commit 39436b564e
6 changed files with 119 additions and 12 deletions
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11
app/views/index.html
View File

@ -1,17 +1,6 @@
{{define "view"}} {{define "view"}}
<main class="flex flex-col items-center justify-center p-8"> <main class="flex flex-col items-center justify-center p-8">
<div class="mb-4">You are now viewing the {{.Title}}</div> <div class="mb-4">You are now viewing the {{.Title}}</div>
<!--<h2>Top Ten Most Recent Events</h2>
<ul>
{{range .Events}}
<li>
<strong>ID:</strong> {{.ID}}<br />
<strong>Content:</strong> {{.Content}}<br />
<strong>Created At:</strong> {{.CreatedAt}}<br />
<strong>PubKey:</strong> {{.PubKey}}
</li>
{{end}}
</ul>-->
<button <button
hx-get="/import-events" hx-get="/import-events"
hx-swap="outerHTML" hx-swap="outerHTML"

2
app/views/templates/layout.html
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@ -1,6 +1,6 @@
{{define "layout"}} {{define "layout"}}
<!DOCTYPE html> <!DOCTYPE html>
<html lang="en" data-theme="{{.Theme}}"> <html lang="en" data-theme="">
<head> <head>
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />

11
config/types/blacklistConfig.go Normal file
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@ -0,0 +1,11 @@
package config
type BlacklistConfig struct {
Enabled bool `yaml:"enabled"`
PermanentBanWords []string `yaml:"permanent_ban_words"`
TempBanWords []string `yaml:"temp_ban_words"`
MaxTempBans int `yaml:"max_temp_bans"`
TempBanDuration int `yaml:"temp_ban_duration"`
PermanentBlacklistPubkeys []string `yaml:"permanent_blacklist_pubkeys"`
PermanentBlacklistNpubs []string `yaml:"permanent_blacklist_npubs"`
}

1
config/types/serverConfig.go
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@ -17,4 +17,5 @@ type ServerConfig struct {
PubkeyWhitelist PubkeyWhitelistConfig `yaml:"pubkey_whitelist"` PubkeyWhitelist PubkeyWhitelistConfig `yaml:"pubkey_whitelist"`
KindWhitelist KindWhitelistConfig `yaml:"kind_whitelist"` KindWhitelist KindWhitelistConfig `yaml:"kind_whitelist"`
DomainWhitelist DomainWhitelistConfig `yaml:"domain_whitelist"` DomainWhitelist DomainWhitelistConfig `yaml:"domain_whitelist"`
Blacklist BlacklistConfig `yaml:"blacklist"`
} }

7
server/handlers/event.go
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@ -84,6 +84,13 @@ func HandleKind(ctx context.Context, evt relay.Event, ws *websocket.Conn, eventS
return return
} }
// Check against manual blacklist
blacklisted, msg := utils.CheckBlacklist(evt.PubKey, evt.Content)
if blacklisted {
response.SendOK(ws, evt.ID, false, msg)
return
}
category := determineCategory(evt.Kind) category := determineCategory(evt.Kind)
if allowed, msg := rateLimiter.AllowEvent(evt.Kind, category); !allowed { if allowed, msg := rateLimiter.AllowEvent(evt.Kind, category); !allowed {

99
server/utils/checkBlacklist.go Normal file
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@ -0,0 +1,99 @@
package utils
import (
"fmt"
"grain/config"
cfg "grain/config/types"
"os"
"strings"
"gopkg.in/yaml.v2"
)
// CheckBlacklist checks if a pubkey is in the blacklist based on event content
func CheckBlacklist(pubkey, eventContent string) (bool, string) {
cfg := config.GetConfig().Blacklist
if !cfg.Enabled {
return false, ""
}
// Check for permanent blacklist by pubkey or npub
if isPubKeyPermanentlyBlacklisted(pubkey) {
return true, fmt.Sprintf("pubkey %s is permanently blacklisted", pubkey)
}
// Check for permanent ban based on wordlist
for _, word := range cfg.PermanentBanWords {
if strings.Contains(eventContent, word) {
// Permanently ban the pubkey
err := AddToPermanentBlacklist(pubkey)
if err != nil {
return true, fmt.Sprintf("pubkey %s is permanently banned and failed to save: %v", pubkey, err)
}
return true, fmt.Sprintf("pubkey %s is permanently banned for containing forbidden words", pubkey)
}
}
return false, ""
}
func isPubKeyPermanentlyBlacklisted(pubKey string) bool {
cfg := config.GetConfig().Blacklist
if !cfg.Enabled {
return false
}
// Check pubkeys
for _, blacklistedKey := range cfg.PermanentBlacklistPubkeys {
if pubKey == blacklistedKey {
return true
}
}
// Check npubs
for _, npub := range cfg.PermanentBlacklistNpubs {
decodedPubKey, err := DecodeNpub(npub)
if err != nil {
fmt.Println("Error decoding npub:", err)
continue
}
if pubKey == decodedPubKey {
return true
}
}
return false
}
func AddToPermanentBlacklist(pubkey string) error {
cfg := config.GetConfig().Blacklist
// Check if already blacklisted
if isPubKeyPermanentlyBlacklisted(pubkey) {
return fmt.Errorf("pubkey %s is already in the permanent blacklist", pubkey)
}
// Add pubkey to the blacklist
cfg.PermanentBlacklistPubkeys = append(cfg.PermanentBlacklistPubkeys, pubkey)
// Persist changes to config.yml
return saveBlacklistConfig(cfg)
}
func saveBlacklistConfig(blacklistConfig cfg.BlacklistConfig) error {
cfg := config.GetConfig()
cfg.Blacklist = blacklistConfig
data, err := yaml.Marshal(cfg)
if err != nil {
return fmt.Errorf("failed to marshal config: %v", err)
}
err = os.WriteFile("config.yml", data, 0644)
if err != nil {
return fmt.Errorf("failed to write config to file: %v", err)
}
return nil
}