feat: add file safety config integration

server/db/mysql/third_party_config.go

@@ -0,0 +1,70 @@
+//go:build mysql
+// +build mysql
+
+package mysql
+
+import (
+	"database/sql"
+	"strings"
+
+	"github.com/jmoiron/sqlx"
+	t "github.com/tinode/chat/server/store/types"
+)
+
+func (a *adapter) ThirdPartyConfig(group string, keys ...string) (map[string]string, error) {
+	db := a.registryDB
+	if db == nil {
+		db = a.db
+	}
+	if db == nil {
+		return nil, t.ErrInternal
+	}
+	group = strings.TrimSpace(group)
+	if group == "" {
+		return nil, t.ErrMalformed
+	}
+
+	ctx, cancel := a.getContext()
+	if cancel != nil {
+		defer cancel()
+	}
+
+	rows := []struct {
+		Key   string `db:"key"`
+		Value string `db:"value"`
+	}{}
+	var err error
+	if len(keys) == 0 {
+		err = db.SelectContext(ctx, &rows, `SELECT `+"`key`"+`, value FROM hg_sys_config
+			WHERE `+"`group`"+`=? AND status=1`, group)
+	} else {
+		normalized := make([]string, 0, len(keys))
+		for _, key := range keys {
+			if key = strings.TrimSpace(key); key != "" {
+				normalized = append(normalized, key)
+			}
+		}
+		if len(normalized) == 0 {
+			return map[string]string{}, nil
+		}
+		query, args, inErr := sqlx.In(`SELECT `+"`key`"+`, value FROM hg_sys_config
+			WHERE `+"`group`"+`=? AND status=1 AND `+"`key`"+` IN (?)`, group, normalized)
+		if inErr != nil {
+			return nil, inErr
+		}
+		query = db.Rebind(query)
+		err = db.SelectContext(ctx, &rows, query, args...)
+	}
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return map[string]string{}, nil
+		}
+		return nil, err
+	}
+
+	result := make(map[string]string, len(rows))
+	for _, row := range rows {
+		result[row.Key] = row.Value
+	}
+	return result, nil
+}