From 3fae87632f023ee971a869f89075faf4fb94dbe4 Mon Sep 17 00:00:00 2001
From: sb <12952877+baursn@users.noreply.github.com>
Date: Sat, 18 May 2024 18:02:03 +0200
Subject: [PATCH] add filer configuration options for username/password and tls
 (#5601)

---
 weed/command/scaffold/filer.toml    |  6 +++
 weed/filer/mongodb/mongodb_store.go | 71 ++++++++++++++++++++++++-----
 2 files changed, 66 insertions(+), 11 deletions(-)

diff --git a/weed/command/scaffold/filer.toml b/weed/command/scaffold/filer.toml
index 30a9cae51..122165cd4 100644
--- a/weed/command/scaffold/filer.toml
+++ b/weed/command/scaffold/filer.toml
@@ -280,6 +280,12 @@ tls_client_key_file=""
 [mongodb]
 enabled = false
 uri = "mongodb://localhost:27017"
+username = ""
+password = ""
+ssl = false
+ssl_ca_file = ""
+ssl_cert_file = ""
+ssl_key_file = "
 option_pool_size = 0
 database = "seaweedfs"
 
diff --git a/weed/filer/mongodb/mongodb_store.go b/weed/filer/mongodb/mongodb_store.go
index 8ebbc6ab0..a1bed3e2d 100644
--- a/weed/filer/mongodb/mongodb_store.go
+++ b/weed/filer/mongodb/mongodb_store.go
@@ -2,7 +2,12 @@ package mongodb
 
 import (
 	"context"
+	"crypto/tls"
+	"crypto/x509"
 	"fmt"
+	"os"
+	"time"
+
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
@@ -10,7 +15,6 @@ import (
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
-	"time"
 )
 
 func init() {
@@ -37,17 +41,43 @@ func (store *MongodbStore) Initialize(configuration util.Configuration, prefix s
 	store.database = configuration.GetString(prefix + "database")
 	store.collectionName = "filemeta"
 	poolSize := configuration.GetInt(prefix + "option_pool_size")
-	return store.connection(configuration.GetString(prefix+"uri"), uint64(poolSize))
+	uri := configuration.GetString(prefix + "uri")
+	ssl := configuration.GetBool(prefix + "ssl")
+	sslCAFile := configuration.GetString(prefix + "ssl_ca_file")
+	sslCertFile := configuration.GetString(prefix + "ssl_cert_file")
+	sslKeyFile := configuration.GetString(prefix + "ssl_key_file")
+	username := configuration.GetString(prefix + "username")
+	password := configuration.GetString(prefix + "password")
+
+	return store.connection(uri, uint64(poolSize), ssl, sslCAFile, sslCertFile, sslKeyFile, username, password)
 }
 
-func (store *MongodbStore) connection(uri string, poolSize uint64) (err error) {
-	ctx, _ := context.WithTimeout(context.Background(), 10*time.Second)
+func (store *MongodbStore) connection(uri string, poolSize uint64, ssl bool, sslCAFile, sslCertFile, sslKeyFile string, username, password string) (err error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
 	opts := options.Client().ApplyURI(uri)
 
 	if poolSize > 0 {
 		opts.SetMaxPoolSize(poolSize)
 	}
 
+	if ssl {
+		tlsConfig, err := configureTLS(sslCAFile, sslCertFile, sslKeyFile)
+		if err != nil {
+			return err
+		}
+		opts.SetTLSConfig(tlsConfig)
+	}
+
+	if username != "" && password != "" {
+		creds := options.Credential{
+			Username: username,
+			Password: password,
+		}
+		opts.SetAuth(creds)
+	}
+
 	client, err := mongo.Connect(ctx, opts)
 	if err != nil {
 		return err
@@ -55,10 +85,36 @@ func (store *MongodbStore) connection(uri string, poolSize uint64) (err error) {
 
 	c := client.Database(store.database).Collection(store.collectionName)
 	err = store.indexUnique(c)
+
 	store.connect = client
 	return err
 }
 
+func configureTLS(caFile, certFile, keyFile string) (*tls.Config, error) {
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, fmt.Errorf("could not load client key pair: %s", err)
+	}
+
+	caCert, err := os.ReadFile(caFile)
+	if err != nil {
+		return nil, fmt.Errorf("could not read CA certificate: %s", err)
+	}
+
+	caCertPool := x509.NewCertPool()
+	if !caCertPool.AppendCertsFromPEM(caCert) {
+		return nil, fmt.Errorf("failed to append CA certificate")
+	}
+
+	tlsConfig := &tls.Config{
+		Certificates:       []tls.Certificate{cert},
+		RootCAs:            caCertPool,
+		InsecureSkipVerify: true,
+	}
+
+	return tlsConfig, nil
+}
+
 func (store *MongodbStore) createIndex(c *mongo.Collection, index mongo.IndexModel, opts *options.CreateIndexesOptions) error {
 	_, err := c.Indexes().CreateOne(context.Background(), index, opts)
 	return err
@@ -93,13 +149,10 @@ func (store *MongodbStore) RollbackTransaction(ctx context.Context) error {
 }
 
 func (store *MongodbStore) InsertEntry(ctx context.Context, entry *filer.Entry) (err error) {
-
 	return store.UpdateEntry(ctx, entry)
-
 }
 
 func (store *MongodbStore) UpdateEntry(ctx context.Context, entry *filer.Entry) (err error) {
-
 	dir, name := entry.FullPath.DirAndName()
 	meta, err := entry.EncodeAttributesAndChunks()
 	if err != nil {
@@ -126,7 +179,6 @@ func (store *MongodbStore) UpdateEntry(ctx context.Context, entry *filer.Entry)
 }
 
 func (store *MongodbStore) FindEntry(ctx context.Context, fullpath util.FullPath) (entry *filer.Entry, err error) {
-
 	dir, name := fullpath.DirAndName()
 	var data Model
 
@@ -154,7 +206,6 @@ func (store *MongodbStore) FindEntry(ctx context.Context, fullpath util.FullPath
 }
 
 func (store *MongodbStore) DeleteEntry(ctx context.Context, fullpath util.FullPath) error {
-
 	dir, name := fullpath.DirAndName()
 
 	where := bson.M{"directory": dir, "name": name}
@@ -167,7 +218,6 @@ func (store *MongodbStore) DeleteEntry(ctx context.Context, fullpath util.FullPa
 }
 
 func (store *MongodbStore) DeleteFolderChildren(ctx context.Context, fullpath util.FullPath) error {
-
 	where := bson.M{"directory": fullpath}
 	_, err := store.connect.Database(store.database).Collection(store.collectionName).DeleteMany(ctx, where)
 	if err != nil {
@@ -182,7 +232,6 @@ func (store *MongodbStore) ListDirectoryPrefixedEntries(ctx context.Context, dir
 }
 
 func (store *MongodbStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
-
 	var where = bson.M{"directory": string(dirPath), "name": bson.M{"$gt": startFileName}}
 	if includeStartFile {
 		where["name"] = bson.M{