Feat: 代码提交

server/request.go

@@ -0,0 +1,95 @@
+package server
+
+import (
+	"bufio"
+	"errors"
+	"strings"
+)
+
+type Request struct {
+	Method      string
+	URL         string
+	HTTPVersion string
+	Headers     map[string]string
+	Body        string
+}
+
+var (
+	ErrMalformedRequest = errors.New("malformed HTTP request")
+	ErrInvalidMethod    = errors.New("invalid HTTP method")
+)
+
+func ParseRequest(reader *bufio.Reader) (*Request, error) {
+	requestLine, err := reader.ReadString('\n')
+	if err != nil {
+		return nil, ErrMalformedRequest
+	}
+
+	requestLine = strings.TrimSpace(requestLine)
+	if requestLine == "" {
+		return nil, ErrMalformedRequest
+	}
+
+	parts := strings.Fields(requestLine)
+	if len(parts) != 3 {
+		return nil, ErrMalformedRequest
+	}
+
+	req := &Request{
+		Method:      parts[0],
+		URL:         parts[1],
+		HTTPVersion: parts[2],
+		Headers:     make(map[string]string),
+	}
+
+	for {
+		headerLine, err := reader.ReadString('\n')
+		if err != nil {
+			break
+		}
+
+		headerLine = strings.TrimSpace(headerLine)
+		if headerLine == "" {
+			break
+		}
+
+		parts := strings.SplitN(headerLine, ":", 2)
+		if len(parts) == 2 {
+			key := strings.TrimSpace(parts[0])
+			value := strings.TrimSpace(parts[1])
+			req.Headers[key] = value
+		}
+	}
+
+	return req, nil
+}
+
+func (r *Request) IsValid() bool {
+	switch r.Method {
+	case "GET", "POST", "PUT", "DELETE", "HEAD", "OPTIONS", "PATCH":
+		return true
+	default:
+		return false
+	}
+}
+
+func (r *Request) IsGET() bool {
+	return r.Method == "GET"
+}
+
+func (r *Request) GetPath() string {
+	if r.URL == "" || r.URL == "/" {
+		return "/index.html"
+	}
+
+	path := strings.SplitN(r.URL, "?", 2)[0]
+	if path == "/" {
+		return "/index.html"
+	}
+
+	if strings.HasPrefix(path, "/") {
+		return path
+	}
+
+	return "/" + path
+}