refactoring

config/Blacklist.go

@@ -0,0 +1,204 @@
+package config
+
+import (
+	"fmt"
+	types "grain/config/types"
+	"grain/server/utils"
+	"log"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"gopkg.in/yaml.v2"
+)
+
+// CheckBlacklist checks if a pubkey is in the blacklist based on event content
+func CheckBlacklist(pubkey, eventContent string) (bool, string) {
+	blacklistConfig := GetConfig().Blacklist
+
+	if !blacklistConfig.Enabled {
+		return false, ""
+	}
+
+	log.Printf("Checking blacklist for pubkey: %s", pubkey)
+
+	// Check for permanent blacklist by pubkey or npub
+	if isPubKeyPermanentlyBlacklisted(pubkey, blacklistConfig) {
+		log.Printf("Pubkey %s is permanently blacklisted", pubkey)
+		return true, fmt.Sprintf("pubkey %s is permanently blacklisted", pubkey)
+	}
+
+	// Check for temporary ban
+	if isPubKeyTemporarilyBlacklisted(pubkey) {
+		log.Printf("Pubkey %s is temporarily blacklisted", pubkey)
+		return true, fmt.Sprintf("pubkey %s is temporarily blacklisted", pubkey)
+	}
+
+	// Check for permanent ban based on wordlist
+	for _, word := range blacklistConfig.PermanentBanWords {
+		if strings.Contains(eventContent, word) {
+			err := AddToPermanentBlacklist(pubkey)
+			if err != nil {
+				return true, fmt.Sprintf("pubkey %s is permanently banned and failed to save: %v", pubkey, err)
+			}
+			return true, "blocked: pubkey is permanently banned"
+		}
+	}
+
+	// Check for temporary ban based on wordlist
+	for _, word := range blacklistConfig.TempBanWords {
+		if strings.Contains(eventContent, word) {
+			err := AddToTemporaryBlacklist(pubkey, blacklistConfig)
+			if err != nil {
+				return true, fmt.Sprintf("pubkey %s is temporarily banned and failed to save: %v", pubkey, err)
+			}
+			return true, "blocked: pubkey is temporarily banned"
+		}
+	}
+
+	return false, ""
+}
+
+// Checks if a pubkey is temporarily blacklisted
+func isPubKeyTemporarilyBlacklisted(pubkey string) bool {
+	mu.Lock()
+	defer mu.Unlock()
+
+	entry, exists := tempBannedPubkeys[pubkey]
+	if !exists {
+		log.Printf("Pubkey %s not found in temporary blacklist", pubkey)
+		return false
+	}
+
+	now := time.Now()
+	if now.After(entry.unbanTime) {
+		log.Printf("Temporary ban for pubkey %s has expired. Count: %d", pubkey, entry.count)
+		return false
+	}
+
+	log.Printf("Pubkey %s is currently temporarily blacklisted. Count: %d, Unban time: %s", pubkey, entry.count, entry.unbanTime)
+	return true
+}
+
+func ClearTemporaryBans() {
+	mu.Lock()
+	defer mu.Unlock()
+	tempBannedPubkeys = make(map[string]*tempBanEntry)
+}
+
+var (
+	tempBannedPubkeys = make(map[string]*tempBanEntry)
+	mu                sync.Mutex
+)
+
+type tempBanEntry struct {
+	count     int
+	unbanTime time.Time
+}
+
+// Adds a pubkey to the temporary blacklist
+func AddToTemporaryBlacklist(pubkey string, blacklistConfig types.BlacklistConfig) error {
+	mu.Lock()
+	defer mu.Unlock()
+
+	entry, exists := tempBannedPubkeys[pubkey]
+	if !exists {
+		log.Printf("Creating new temporary ban entry for pubkey %s", pubkey)
+		entry = &tempBanEntry{
+			count:     0,
+			unbanTime: time.Now(),
+		}
+		tempBannedPubkeys[pubkey] = entry
+	} else {
+		log.Printf("Updating existing temporary ban entry for pubkey %s. Current count: %d", pubkey, entry.count)
+		if time.Now().After(entry.unbanTime) {
+			log.Printf("Previous ban for pubkey %s has expired. Keeping count at %d", pubkey, entry.count)
+		}
+	}
+
+	// Increment the count
+	entry.count++
+	entry.unbanTime = time.Now().Add(time.Duration(blacklistConfig.TempBanDuration) * time.Second)
+
+	log.Printf("Pubkey %s temporary ban count updated to: %d, MaxTempBans: %d, New unban time: %s", pubkey, entry.count, blacklistConfig.MaxTempBans, entry.unbanTime)
+
+	if entry.count > blacklistConfig.MaxTempBans {
+		log.Printf("Attempting to move pubkey %s to permanent blacklist", pubkey)
+		delete(tempBannedPubkeys, pubkey)
+
+		// Release the lock before calling AddToPermanentBlacklist
+		mu.Unlock()
+		err := AddToPermanentBlacklist(pubkey)
+		mu.Lock() // Re-acquire the lock
+
+		if err != nil {
+			log.Printf("Error adding pubkey %s to permanent blacklist: %v", pubkey, err)
+			return err
+		}
+		log.Printf("Successfully added pubkey %s to permanent blacklist", pubkey)
+	}
+
+	return nil
+}
+
+// Checks if a pubkey is permanently blacklisted (only using config.yml)
+func isPubKeyPermanentlyBlacklisted(pubKey string, blacklistConfig types.BlacklistConfig) bool {
+	if !blacklistConfig.Enabled {
+		return false
+	}
+
+	// Check pubkeys
+	for _, blacklistedKey := range blacklistConfig.PermanentBlacklistPubkeys {
+		if pubKey == blacklistedKey {
+			return true
+		}
+	}
+
+	// Check npubs
+	for _, npub := range blacklistConfig.PermanentBlacklistNpubs {
+		decodedPubKey, err := utils.DecodeNpub(npub)
+		if err != nil {
+			fmt.Println("Error decoding npub:", err)
+			continue
+		}
+		if pubKey == decodedPubKey {
+			return true
+		}
+	}
+
+	return false
+}
+
+func AddToPermanentBlacklist(pubkey string) error {
+	// Remove the mutex lock from here
+	blacklistConfig := GetConfig().Blacklist
+
+	// Check if already blacklisted
+	if isPubKeyPermanentlyBlacklisted(pubkey, blacklistConfig) {
+		return fmt.Errorf("pubkey %s is already in the permanent blacklist", pubkey)
+	}
+
+	// Add pubkey to the blacklist
+	blacklistConfig.PermanentBlacklistPubkeys = append(blacklistConfig.PermanentBlacklistPubkeys, pubkey)
+
+	// Persist changes to config.yml
+	return saveBlacklistConfig(blacklistConfig)
+}
+
+func saveBlacklistConfig(blacklistConfig types.BlacklistConfig) error {
+	configData := GetConfig()
+	configData.Blacklist = blacklistConfig
+
+	data, err := yaml.Marshal(configData)
+	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
+}

config/Whitelist.go

@@ -1,14 +1,14 @@
-package utils
+package config
 
 import (
 	"fmt"
-	"grain/config"
+	"grain/server/utils"
 	"strconv"
 )
 
 // Helper function to check if a pubkey or npub is whitelisted
 func IsPubKeyWhitelisted(pubKey string) bool {
-	cfg := config.GetConfig()
+	cfg := GetConfig()
 	if !cfg.PubkeyWhitelist.Enabled {
 		return true
 	}
@@ -22,7 +22,7 @@ func IsPubKeyWhitelisted(pubKey string) bool {
 
 	// Check npubs
 	for _, npub := range cfg.PubkeyWhitelist.Npubs {
-		decodedPubKey, err := DecodeNpub(npub)
+		decodedPubKey, err := utils.DecodeNpub(npub)
 		if err != nil {
 			fmt.Println("Error decoding npub:", err)
 			continue
@@ -36,7 +36,7 @@ func IsPubKeyWhitelisted(pubKey string) bool {
 }
 
 func IsKindWhitelisted(kind int) bool {
-	cfg := config.GetConfig()
+	cfg := GetConfig()
 	if !cfg.KindWhitelist.Enabled {
 		return true
 	}

main.go

@@ -49,7 +49,7 @@ func main() {
 		config.SetupRateLimiter(cfg)
 		config.SetupSizeLimiter(cfg)
 
-		utils.ClearTemporaryBans()
+		config.ClearTemporaryBans()
 
 		err = utils.LoadRelayMetadataJSON()
 		if err != nil {
@@ -70,9 +70,9 @@ func main() {
 
 		case <-signalChan:
 			log.Println("Shutting down server...")
-			server.Close()              // Stop the server
-			db.DisconnectDB(client)     // Disconnect from MongoDB
-			wg.Wait()                   // Wait for all goroutines to finish
+			server.Close()          // Stop the server
+			db.DisconnectDB(client) // Disconnect from MongoDB
+			wg.Wait()               // Wait for all goroutines to finish
 			return
 		}
 	}

server/db/storeMongo.go

@@ -0,0 +1,48 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"grain/server/handlers/kinds"
+	"grain/server/handlers/response"
+	nostr "grain/server/types"
+
+	"golang.org/x/net/websocket"
+)
+
+func StoreMongoEvent(ctx context.Context, evt nostr.Event, ws *websocket.Conn) {
+	collection := GetCollection(evt.Kind)
+
+	var err error
+	switch {
+	case evt.Kind == 0:
+		err = kinds.HandleKind0(ctx, evt, collection, ws)
+	case evt.Kind == 1:
+		err = kinds.HandleKind1(ctx, evt, collection, ws)
+	case evt.Kind == 2:
+		err = kinds.HandleKind2(ctx, evt, ws)
+	case evt.Kind == 3:
+		err = kinds.HandleReplaceableKind(ctx, evt, collection, ws)
+	case evt.Kind == 5:
+		err = kinds.HandleKind5(ctx, evt, GetClient(), ws)
+	case evt.Kind >= 4 && evt.Kind < 45:
+		err = kinds.HandleRegularKind(ctx, evt, collection, ws)
+	case evt.Kind >= 1000 && evt.Kind < 10000:
+		err = kinds.HandleRegularKind(ctx, evt, collection, ws)
+	case evt.Kind >= 10000 && evt.Kind < 20000:
+		err = kinds.HandleReplaceableKind(ctx, evt, collection, ws)
+	case evt.Kind >= 20000 && evt.Kind < 30000:
+		fmt.Println("Ephemeral event received and ignored:", evt.ID)
+	case evt.Kind >= 30000 && evt.Kind < 40000:
+		err = kinds.HandleParameterizedReplaceableKind(ctx, evt, collection, ws)
+	default:
+		err = kinds.HandleUnknownKind(ctx, evt, collection, ws)
+	}
+
+	if err != nil {
+		response.SendOK(ws, evt.ID, false, fmt.Sprintf("error: %v", err))
+		return
+	}
+
+	response.SendOK(ws, evt.ID, true, "")
+}

server/handlers/event.go

@@ -6,11 +6,11 @@ import (
 	"fmt"
 	"grain/config"
 	"grain/server/db"
-	"grain/server/handlers/kinds"
+
 	"grain/server/handlers/response"
 	"grain/server/utils"
 
-	relay "grain/server/types"
+	nostr "grain/server/types"
 
 	"golang.org/x/net/websocket"
 )
@@ -36,7 +36,7 @@ func HandleEvent(ws *websocket.Conn, message []interface{}) {
 			return
 		}
 
-		var evt relay.Event
+		var evt nostr.Event
 		err = json.Unmarshal(eventBytes, &evt)
 		if err != nil {
 			fmt.Println("Error unmarshaling event data:", err)
@@ -60,13 +60,14 @@ func HandleEvent(ws *websocket.Conn, message []interface{}) {
 			return
 		}
 
-		storeEvent(context.TODO(), evt, ws)
+		// This is where I'll handle storage for multiple database types in the future
+		db.StoreMongoEvent(context.TODO(), evt, ws)
 
 		fmt.Println("Event processed:", evt.ID)
 	})
 }
 
-func handleBlacklistAndWhitelist(ws *websocket.Conn, evt relay.Event) bool {
+func handleBlacklistAndWhitelist(ws *websocket.Conn, evt nostr.Event) bool {
 	if config.GetConfig().DomainWhitelist.Enabled {
 		domains := config.GetConfig().DomainWhitelist.Domains
 		pubkeys, err := utils.FetchPubkeysFromDomains(domains)
@@ -80,17 +81,17 @@ func handleBlacklistAndWhitelist(ws *websocket.Conn, evt relay.Event) bool {
 		}
 	}
 
-	if blacklisted, msg := utils.CheckBlacklist(evt.PubKey, evt.Content); blacklisted {
+	if blacklisted, msg := config.CheckBlacklist(evt.PubKey, evt.Content); blacklisted {
 		response.SendOK(ws, evt.ID, false, msg)
 		return false
 	}
 
-	if config.GetConfig().KindWhitelist.Enabled && !utils.IsKindWhitelisted(evt.Kind) {
+	if config.GetConfig().KindWhitelist.Enabled && !config.IsKindWhitelisted(evt.Kind) {
 		response.SendOK(ws, evt.ID, false, "not allowed: event kind is not whitelisted")
 		return false
 	}
 
-	if config.GetConfig().PubkeyWhitelist.Enabled && !utils.IsPubKeyWhitelisted(evt.PubKey) {
+	if config.GetConfig().PubkeyWhitelist.Enabled && !config.IsPubKeyWhitelisted(evt.PubKey) {
 		response.SendOK(ws, evt.ID, false, "not allowed: pubkey or npub is not whitelisted")
 		return false
 	}
@@ -98,7 +99,7 @@ func handleBlacklistAndWhitelist(ws *websocket.Conn, evt relay.Event) bool {
 	return true
 }
 
-func handleRateAndSizeLimits(ws *websocket.Conn, evt relay.Event, eventSize int) bool {
+func handleRateAndSizeLimits(ws *websocket.Conn, evt nostr.Event, eventSize int) bool {
 	rateLimiter := config.GetRateLimiter()
 	sizeLimiter := config.GetSizeLimiter()
 	category := determineCategory(evt.Kind)
@@ -116,43 +117,6 @@ func handleRateAndSizeLimits(ws *websocket.Conn, evt relay.Event, eventSize int)
 	return true
 }
 
-func storeEvent(ctx context.Context, evt relay.Event, ws *websocket.Conn) {
-	collection := db.GetCollection(evt.Kind)
-
-	var err error
-	switch {
-	case evt.Kind == 0:
-		err = kinds.HandleKind0(ctx, evt, collection, ws)
-	case evt.Kind == 1:
-		err = kinds.HandleKind1(ctx, evt, collection, ws)
-	case evt.Kind == 2:
-		err = kinds.HandleKind2(ctx, evt, ws)
-	case evt.Kind == 3:
-		err = kinds.HandleReplaceableKind(ctx, evt, collection, ws)
-	case evt.Kind == 5:
-		err = kinds.HandleKind5(ctx, evt, db.GetClient(), ws)
-	case evt.Kind >= 4 && evt.Kind < 45:
-		err = kinds.HandleRegularKind(ctx, evt, collection, ws)
-	case evt.Kind >= 1000 && evt.Kind < 10000:
-		err = kinds.HandleRegularKind(ctx, evt, collection, ws)
-	case evt.Kind >= 10000 && evt.Kind < 20000:
-		err = kinds.HandleReplaceableKind(ctx, evt, collection, ws)
-	case evt.Kind >= 20000 && evt.Kind < 30000:
-		fmt.Println("Ephemeral event received and ignored:", evt.ID)
-	case evt.Kind >= 30000 && evt.Kind < 40000:
-		err = kinds.HandleParameterizedReplaceableKind(ctx, evt, collection, ws)
-	default:
-		err = kinds.HandleUnknownKind(ctx, evt, collection, ws)
-	}
-
-	if err != nil {
-		response.SendOK(ws, evt.ID, false, fmt.Sprintf("error: %v", err))
-		return
-	}
-
-	response.SendOK(ws, evt.ID, true, "")
-}
-
 func determineCategory(kind int) string {
 	switch {
 	case kind == 0, kind == 3, kind >= 10000 && kind < 20000:

server/utils/checkBlacklist.go

@@ -1,210 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	"grain/config"
-	cfg "grain/config/types"
-	"log"
-	"os"
-	"strings"
-	"sync"
-	"time"
-
-	"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, ""
-    }
-
-    log.Printf("Checking blacklist for pubkey: %s", pubkey)
-
-    // Check for permanent blacklist by pubkey or npub
-    if isPubKeyPermanentlyBlacklisted(pubkey) {
-        log.Printf("Pubkey %s is permanently blacklisted", pubkey)
-        return true, fmt.Sprintf("pubkey %s is permanently blacklisted", pubkey)
-    }
-
-    // Check for temporary ban
-    if isPubKeyTemporarilyBlacklisted(pubkey) {
-        log.Printf("Pubkey %s is temporarily blacklisted", pubkey)
-        return true, fmt.Sprintf("pubkey %s is temporarily blacklisted", pubkey)
-    }
-
-	// Check for permanent ban based on wordlist
-	for _, word := range cfg.PermanentBanWords {
-		if strings.Contains(eventContent, word) {
-			err := AddToPermanentBlacklist(pubkey)
-			if err != nil {
-				return true, fmt.Sprintf("pubkey %s is permanently banned and failed to save: %v", pubkey, err)
-			}
-			return true, "blocked: pubkey is permanently banned"
-		}
-	}
-
-	// Check for temporary ban based on wordlist
-	for _, word := range cfg.TempBanWords {
-		if strings.Contains(eventContent, word) {
-			err := AddToTemporaryBlacklist(pubkey)
-			if err != nil {
-				return true, fmt.Sprintf("pubkey %s is temporarily banned and failed to save: %v", pubkey, err)
-			}
-			return true, "blocked: pubkey is temporarily banned"
-		}
-	}
-
-	return false, ""
-}
-
-
-// Checks if a pubkey is temporarily blacklisted
-func isPubKeyTemporarilyBlacklisted(pubkey string) bool {
-    mu.Lock()
-    defer mu.Unlock()
-
-    entry, exists := tempBannedPubkeys[pubkey]
-    if !exists {
-        log.Printf("Pubkey %s not found in temporary blacklist", pubkey)
-        return false
-    }
-
-    now := time.Now()
-    if now.After(entry.unbanTime) {
-        log.Printf("Temporary ban for pubkey %s has expired. Count: %d", pubkey, entry.count)
-        return false
-    }
-
-    log.Printf("Pubkey %s is currently temporarily blacklisted. Count: %d, Unban time: %s", pubkey, entry.count, entry.unbanTime)
-    return true
-}
-
-func ClearTemporaryBans() {
-	mu.Lock()
-	defer mu.Unlock()
-	tempBannedPubkeys = make(map[string]*tempBanEntry)
-}
-
-var (
-    tempBannedPubkeys = make(map[string]*tempBanEntry)
-    mu sync.Mutex
-)
-
-type tempBanEntry struct {
-    count     int
-    unbanTime time.Time
-}
-
-// Adds a pubkey to the temporary blacklist
-func AddToTemporaryBlacklist(pubkey string) error {
-    mu.Lock()
-    defer mu.Unlock()
-
-    cfg := config.GetConfig().Blacklist
-
-    entry, exists := tempBannedPubkeys[pubkey]
-    if !exists {
-        log.Printf("Creating new temporary ban entry for pubkey %s", pubkey)
-        entry = &tempBanEntry{
-            count:     0,
-            unbanTime: time.Now(),
-        }
-        tempBannedPubkeys[pubkey] = entry
-    } else {
-        log.Printf("Updating existing temporary ban entry for pubkey %s. Current count: %d", pubkey, entry.count)
-        if time.Now().After(entry.unbanTime) {
-            log.Printf("Previous ban for pubkey %s has expired. Keeping count at %d", pubkey, entry.count)
-        }
-    }
-
-    // Increment the count
-    entry.count++
-    entry.unbanTime = time.Now().Add(time.Duration(cfg.TempBanDuration) * time.Second)
-
-    log.Printf("Pubkey %s temporary ban count updated to: %d, MaxTempBans: %d, New unban time: %s", pubkey, entry.count, cfg.MaxTempBans, entry.unbanTime)
-
-    if entry.count > cfg.MaxTempBans {
-        log.Printf("Attempting to move pubkey %s to permanent blacklist", pubkey)
-        delete(tempBannedPubkeys, pubkey)
-        
-        // Release the lock before calling AddToPermanentBlacklist
-        mu.Unlock()
-        err := AddToPermanentBlacklist(pubkey)
-        mu.Lock() // Re-acquire the lock
-        
-        if err != nil {
-            log.Printf("Error adding pubkey %s to permanent blacklist: %v", pubkey, err)
-            return err
-        }
-        log.Printf("Successfully added pubkey %s to permanent blacklist", pubkey)
-    }
-
-    return nil
-}
-
-// Checks if a pubkey is permanently blacklisted (only using config.yml)
-func isPubKeyPermanentlyBlacklisted(pubKey string) bool {
-	cfg := config.GetConfig().Blacklist // Get the latest configuration
-
-	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 {
-    // Remove the mutex lock from here
-    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 {
-	configData := config.GetConfig()
-	configData.Blacklist = blacklistConfig
-
-	data, err := yaml.Marshal(configData)
-	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
-}
-