1 files changed, 135 insertions, 0 deletions
diff --git a/vendor/_nuts/github.com/go-martini/martini/static.go b/vendor/_nuts/github.com/go-martini/martini/static.go
new file mode 100644
index 0000000..51af6cf
--- /dev/null
+++ b/vendor/_nuts/github.com/go-martini/martini/static.go
@@ -0,0 +1,135 @@
+package martini
+
+import (
+	"log"
+	"net/http"
+	"net/url"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+// StaticOptions is a struct for specifying configuration options for the martini.Static middleware.
+type StaticOptions struct {
+	// Prefix is the optional prefix used to serve the static directory content
+	Prefix string
+	// SkipLogging will disable [Static] log messages when a static file is served.
+	SkipLogging bool
+	// IndexFile defines which file to serve as index if it exists.
+	IndexFile string
+	// Expires defines which user-defined function to use for producing a HTTP Expires Header
+	// https://developers.google.com/speed/docs/insights/LeverageBrowserCaching
+	Expires func() string
+	// Fallback defines a default URL to serve when the requested resource was
+	// not found.
+	Fallback string
+	// Exclude defines a pattern for URLs this handler should never process.
+	Exclude string
+}
+
+func prepareStaticOptions(options []StaticOptions) StaticOptions {
+	var opt StaticOptions
+	if len(options) > 0 {
+		opt = options[0]
+	}
+
+	// Defaults
+	if len(opt.IndexFile) == 0 {
+		opt.IndexFile = "index.html"
+	}
+	// Normalize the prefix if provided
+	if opt.Prefix != "" {
+		// Ensure we have a leading '/'
+		if opt.Prefix[0] != '/' {
+			opt.Prefix = "/" + opt.Prefix
+		}
+		// Remove any trailing '/'
+		opt.Prefix = strings.TrimRight(opt.Prefix, "/")
+	}
+	return opt
+}
+
+// Static returns a middleware handler that serves static files in the given directory.
+func Static(directory string, staticOpt ...StaticOptions) Handler {
+	if !filepath.IsAbs(directory) {
+		directory = filepath.Join(Root, directory)
+	}
+	dir := http.Dir(directory)
+	opt := prepareStaticOptions(staticOpt)
+
+	return func(res http.ResponseWriter, req *http.Request, log *log.Logger) {
+		if req.Method != "GET" && req.Method != "HEAD" {
+			return
+		}
+		if opt.Exclude != "" && strings.HasPrefix(req.URL.Path, opt.Exclude) {
+			return
+		}
+		file := req.URL.Path
+		// if we have a prefix, filter requests by stripping the prefix
+		if opt.Prefix != "" {
+			if !strings.HasPrefix(file, opt.Prefix) {
+				return
+			}
+			file = file[len(opt.Prefix):]
+			if file != "" && file[0] != '/' {
+				return
+			}
+		}
+		f, err := dir.Open(file)
+		if err != nil {
+			// try any fallback before giving up
+			if opt.Fallback != "" {
+				file = opt.Fallback // so that logging stays true
+				f, err = dir.Open(opt.Fallback)
+			}
+
+			if err != nil {
+				// discard the error?
+				return
+			}
+		}
+		defer f.Close()
+
+		fi, err := f.Stat()
+		if err != nil {
+			return
+		}
+
+		// try to serve index file
+		if fi.IsDir() {
+			// redirect if missing trailing slash
+			if !strings.HasSuffix(req.URL.Path, "/") {
+				dest := url.URL{
+					Path:     req.URL.Path + "/",
+					RawQuery: req.URL.RawQuery,
+					Fragment: req.URL.Fragment,
+				}
+				http.Redirect(res, req, dest.String(), http.StatusFound)
+				return
+			}
+
+			file = path.Join(file, opt.IndexFile)
+			f, err = dir.Open(file)
+			if err != nil {
+				return
+			}
+			defer f.Close()
+
+			fi, err = f.Stat()
+			if err != nil || fi.IsDir() {
+				return
+			}
+		}
+
+		if !opt.SkipLogging {
+			log.Println("[Static] Serving " + file)
+		}
+
+		// Add an Expires header to the static content
+		if opt.Expires != nil {
+			res.Header().Set("Expires", opt.Expires())
+		}
+
+		http.ServeContent(res, req, file, fi.ModTime(), f)
+	}
+}