add cert info and renewal api

internal/api/v1/config_file.go

@@ -0,0 +1,132 @@
+package v1
+
+import (
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/yusing/go-proxy/internal/common"
+	config "github.com/yusing/go-proxy/internal/config/types"
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/net/gphttp"
+	"github.com/yusing/go-proxy/internal/net/gphttp/middleware"
+	"github.com/yusing/go-proxy/internal/route/provider"
+)
+
+type FileType string
+
+const (
+	FileTypeConfig     FileType = "config"
+	FileTypeProvider   FileType = "provider"
+	FileTypeMiddleware FileType = "middleware"
+)
+
+func fileType(file string) FileType {
+	switch {
+	case strings.HasPrefix(path.Base(file), "config."):
+		return FileTypeConfig
+	case strings.HasPrefix(file, common.MiddlewareComposeBasePath):
+		return FileTypeMiddleware
+	}
+	return FileTypeProvider
+}
+
+func (t FileType) IsValid() bool {
+	switch t {
+	case FileTypeConfig, FileTypeProvider, FileTypeMiddleware:
+		return true
+	}
+	return false
+}
+
+func (t FileType) GetPath(filename string) string {
+	if t == FileTypeMiddleware {
+		return path.Join(common.MiddlewareComposeBasePath, filename)
+	}
+	return path.Join(common.ConfigBasePath, filename)
+}
+
+func getArgs(r *http.Request) (fileType FileType, filename string, err error) {
+	fileType = FileType(r.PathValue("type"))
+	if !fileType.IsValid() {
+		err = gphttp.ErrInvalidKey("type")
+		return
+	}
+	filename = r.PathValue("filename")
+	if filename == "" {
+		err = gphttp.ErrMissingKey("filename")
+	}
+	return
+}
+
+func GetFileContent(w http.ResponseWriter, r *http.Request) {
+	fileType, filename, err := getArgs(r)
+	if err != nil {
+		gphttp.BadRequest(w, err.Error())
+		return
+	}
+	content, err := os.ReadFile(fileType.GetPath(filename))
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	gphttp.WriteBody(w, content)
+}
+
+func validateFile(fileType FileType, content []byte) gperr.Error {
+	switch fileType {
+	case FileTypeConfig:
+		return config.Validate(content)
+	case FileTypeMiddleware:
+		errs := gperr.NewBuilder("middleware errors")
+		middleware.BuildMiddlewaresFromYAML("", content, errs)
+		return errs.Error()
+	}
+	return provider.Validate(content)
+}
+
+func ValidateFile(w http.ResponseWriter, r *http.Request) {
+	fileType := FileType(r.PathValue("type"))
+	if !fileType.IsValid() {
+		gphttp.BadRequest(w, "invalid file type")
+		return
+	}
+	content, err := io.ReadAll(r.Body)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	r.Body.Close()
+	if valErr := validateFile(fileType, content); valErr != nil {
+		gphttp.JSONError(w, valErr, http.StatusBadRequest)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}
+
+func SetFileContent(w http.ResponseWriter, r *http.Request) {
+	fileType, filename, err := getArgs(r)
+	if err != nil {
+		gphttp.BadRequest(w, err.Error())
+		return
+	}
+	content, err := io.ReadAll(r.Body)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+
+	if valErr := validateFile(fileType, content); valErr != nil {
+		gphttp.JSONError(w, valErr, http.StatusBadRequest)
+		return
+	}
+
+	err = os.WriteFile(fileType.GetPath(filename), content, 0o644)
+	if err != nil {
+		gphttp.ServerError(w, r, err)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}