Files
Havline/internal/nginx/syntax.go
T
mrlee 278f8267b7 chore: 初始提交 Fonu 1.0.2
- 公网反代:Nginx 状态卡片(版本 / 运行状态 / 配置校验 / 端口监听)
- 部署设置第一、二梯队(HTTPS 开关、安全头、限流、连接数、仅中国大陆 IP)
- 隧道检测兼容 frps v0.68 / v0.71(V2 与旧版端点)
- 恢复被清空的 internal/frp/store.go、internal/api/ddns_handler.go、web/src/views/DdnsView.vue
2026-09-23 09:40:59 +08:00

69 lines
1.4 KiB
Go

package nginx
import (
"fmt"
"strings"
)
// ValidateConfigSyntax performs a lightweight syntax check when nginx -t is unavailable.
func ValidateConfigSyntax(content string) error {
depth := 0
for i, raw := range strings.Split(content, "\n") {
trimmed := strings.TrimSpace(raw)
if trimmed == "" || strings.HasPrefix(trimmed, "#") {
continue
}
line := stripInlineComment(trimmed)
if line == "" {
continue
}
depth += strings.Count(line, "{") - strings.Count(line, "}")
if depth < 0 {
return fmt.Errorf("第 %d 行:多余的 `}`", i+1)
}
if err := validateConfigLine(line, i+1); err != nil {
return err
}
}
if depth != 0 {
return fmt.Errorf("配置块大括号未配对")
}
return nil
}
func stripInlineComment(line string) string {
inSingle := false
inDouble := false
for i := 0; i < len(line); i++ {
ch := line[i]
switch ch {
case '\'':
if !inDouble {
inSingle = !inSingle
}
case '"':
if !inSingle {
inDouble = !inDouble
}
case '#':
if !inSingle && !inDouble {
return strings.TrimSpace(line[:i])
}
}
}
return strings.TrimSpace(line)
}
func validateConfigLine(line string, lineNo int) error {
if line == "}" || line == "{" {
return nil
}
if strings.HasSuffix(line, "{") {
return nil
}
if strings.HasSuffix(line, ";") {
return nil
}
return fmt.Errorf("第 %d 行:无效的 Nginx 语法(应以 ; 或 { 结尾)", lineNo)
}