refactor

1 files changed, 88 insertions, 0 deletions

diff --git a/service/static/service.go b/service/static/service.go
new file mode 100644
index 00000000..5c3defe6
--- /dev/null
+++ b/service/static/service.go
@@ -0,0 +1,88 @@
+package static
+
+import (
+	"net/http"
+	"path"
+	"strings"
+	rrttp "github.com/spiral/roadrunner/service/http"
+	"github.com/spiral/roadrunner/service"
+)
+
+// Name contains default service name.
+const Name = "static"
+
+// Service serves static files. Potentially convert into middleware?
+type Service struct {
+	// server configuration (location, forbidden files and etc)
+	cfg *Config
+
+	// root is initiated http directory
+	root http.Dir
+}
+
+// Configure must return configure service and return true if service hasStatus enabled. Must return error in case of
+// misconfiguration. Services must not be used without proper configuration pushed first.
+func (s *Service) Configure(cfg service.Config, c service.Container) (enabled bool, err error) {
+	config := &Config{}
+	if err := cfg.Unmarshal(config); err != nil {
+		return false, err
+	}
+
+	if !config.Enable {
+		return false, nil
+	}
+
+	if err := config.Valid(); err != nil {
+		return false, err
+	}
+
+	s.cfg = config
+	s.root = http.Dir(s.cfg.Dir)
+
+	// registering as middleware
+	if h, ok := c.Get(rrttp.Name); ok >= service.StatusConfigured {
+		if h, ok := h.(*rrttp.Service); ok {
+			h.AddMiddleware(s)
+		}
+	}
+
+	return true, nil
+}
+
+// Serve serves the service.
+func (s *Service) Serve() error { return nil }
+
+// Stop stops the service.
+func (s *Service) Stop() {}
+
+// Handle must return true if request/response pair is handled withing the middleware.
+func (s *Service) Handle(w http.ResponseWriter, r *http.Request) bool {
+	fPath := r.URL.Path
+	if !strings.HasPrefix(fPath, "/") {
+		fPath = "/" + fPath
+	}
+	fPath = path.Clean(fPath)
+
+	if s.cfg.Forbids(fPath) {
+		return false
+	}
+
+	f, err := s.root.Open(fPath)
+	if err != nil {
+		return false
+	}
+	defer f.Close()
+
+	d, err := f.Stat()
+	if err != nil {
+		return false
+	}
+
+	// do not Handle directories
+	if d.IsDir() {
+		return false
+	}
+
+	http.ServeContent(w, r, d.Name(), d.ModTime(), f)
+	return true
+}