TUN-528: Move cloudflared into a separate repo

2025-07-29 10:09:58 +00:00 · 2018-05-01 18:45:06 -05:00
parent e8c621a648
commit d06fc520c7
4726 changed files with 1763680 additions and 0 deletions
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/browse.go
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/browse.go
@@ -0,0 +1,527 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package browse provides middleware for listing files in a directory
+// when directory path is requested instead of a specific file.
+package browse
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/url"
+	"os"
+	"path"
+	"sort"
+	"strconv"
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/dustin/go-humanize"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+	"github.com/mholt/caddy/caddyhttp/staticfiles"
+)
+
+const (
+	sortByName         = "name"
+	sortByNameDirFirst = "namedirfirst"
+	sortBySize         = "size"
+	sortByTime         = "time"
+)
+
+// Browse is an http.Handler that can show a file listing when
+// directories in the given paths are specified.
+type Browse struct {
+	Next          httpserver.Handler
+	Configs       []Config
+	IgnoreIndexes bool
+}
+
+// Config is a configuration for browsing in a particular path.
+type Config struct {
+	PathScope string // the base path the URL must match to enable browsing
+	Fs        staticfiles.FileServer
+	Variables interface{}
+	Template  *template.Template
+}
+
+// A Listing is the context used to fill out a template.
+type Listing struct {
+	// The name of the directory (the last element of the path)
+	Name string
+
+	// The full path of the request
+	Path string
+
+	// Whether the parent directory is browsable
+	CanGoUp bool
+
+	// The items (files and folders) in the path
+	Items []FileInfo
+
+	// The number of directories in the listing
+	NumDirs int
+
+	// The number of files (items that aren't directories) in the listing
+	NumFiles int
+
+	// Which sorting order is used
+	Sort string
+
+	// And which order
+	Order string
+
+	// If ≠0 then Items have been limited to that many elements
+	ItemsLimitedTo int
+
+	// Optional custom variables for use in browse templates
+	User interface{}
+
+	httpserver.Context
+}
+
+// Crumb represents part of a breadcrumb menu.
+type Crumb struct {
+	Link, Text string
+}
+
+// Breadcrumbs returns l.Path where every element maps
+// the link to the text to display.
+func (l Listing) Breadcrumbs() []Crumb {
+	var result []Crumb
+
+	if len(l.Path) == 0 {
+		return result
+	}
+
+	// skip trailing slash
+	lpath := l.Path
+	if lpath[len(lpath)-1] == '/' {
+		lpath = lpath[:len(lpath)-1]
+	}
+
+	parts := strings.Split(lpath, "/")
+	for i := range parts {
+		txt := parts[i]
+		if i == 0 && parts[i] == "" {
+			txt = "/"
+		}
+		result = append(result, Crumb{Link: strings.Repeat("../", len(parts)-i-1), Text: txt})
+	}
+
+	return result
+}
+
+// FileInfo is the info about a particular file or directory
+type FileInfo struct {
+	Name      string
+	Size      int64
+	URL       string
+	ModTime   time.Time
+	Mode      os.FileMode
+	IsDir     bool
+	IsSymlink bool
+}
+
+// HumanSize returns the size of the file as a human-readable string
+// in IEC format (i.e. power of 2 or base 1024).
+func (fi FileInfo) HumanSize() string {
+	return humanize.IBytes(uint64(fi.Size))
+}
+
+// HumanModTime returns the modified time of the file as a human-readable string.
+func (fi FileInfo) HumanModTime(format string) string {
+	return fi.ModTime.Format(format)
+}
+
+// Implement sorting for Listing
+type byName Listing
+type byNameDirFirst Listing
+type bySize Listing
+type byTime Listing
+
+// By Name
+func (l byName) Len() int      { return len(l.Items) }
+func (l byName) Swap(i, j int) { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
+
+// Treat upper and lower case equally
+func (l byName) Less(i, j int) bool {
+	return strings.ToLower(l.Items[i].Name) < strings.ToLower(l.Items[j].Name)
+}
+
+// By Name Dir First
+func (l byNameDirFirst) Len() int      { return len(l.Items) }
+func (l byNameDirFirst) Swap(i, j int) { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
+
+// Treat upper and lower case equally
+func (l byNameDirFirst) Less(i, j int) bool {
+
+	// if both are dir or file sort normally
+	if l.Items[i].IsDir == l.Items[j].IsDir {
+		return strings.ToLower(l.Items[i].Name) < strings.ToLower(l.Items[j].Name)
+	}
+
+	// always sort dir ahead of file
+	return l.Items[i].IsDir
+}
+
+// By Size
+func (l bySize) Len() int      { return len(l.Items) }
+func (l bySize) Swap(i, j int) { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
+
+const directoryOffset = -1 << 31 // = math.MinInt32
+func (l bySize) Less(i, j int) bool {
+	iSize, jSize := l.Items[i].Size, l.Items[j].Size
+
+	// Directory sizes depend on the filesystem implementation,
+	// which is opaque to a visitor, and should indeed does not change if the operator choses to change the fs.
+	// For a consistent user experience directories are pulled to the front…
+	if l.Items[i].IsDir {
+		iSize = directoryOffset
+	}
+	if l.Items[j].IsDir {
+		jSize = directoryOffset
+	}
+	// … and sorted by name.
+	if l.Items[i].IsDir && l.Items[j].IsDir {
+		return strings.ToLower(l.Items[i].Name) < strings.ToLower(l.Items[j].Name)
+	}
+
+	return iSize < jSize
+}
+
+// By Time
+func (l byTime) Len() int           { return len(l.Items) }
+func (l byTime) Swap(i, j int)      { l.Items[i], l.Items[j] = l.Items[j], l.Items[i] }
+func (l byTime) Less(i, j int) bool { return l.Items[i].ModTime.Before(l.Items[j].ModTime) }
+
+// Add sorting method to "Listing"
+// it will apply what's in ".Sort" and ".Order"
+func (l Listing) applySort() {
+	// Check '.Order' to know how to sort
+	if l.Order == "desc" {
+		switch l.Sort {
+		case sortByName:
+			sort.Sort(sort.Reverse(byName(l)))
+		case sortByNameDirFirst:
+			sort.Sort(sort.Reverse(byNameDirFirst(l)))
+		case sortBySize:
+			sort.Sort(sort.Reverse(bySize(l)))
+		case sortByTime:
+			sort.Sort(sort.Reverse(byTime(l)))
+		default:
+			// If not one of the above, do nothing
+			return
+		}
+	} else { // If we had more Orderings we could add them here
+		switch l.Sort {
+		case sortByName:
+			sort.Sort(byName(l))
+		case sortByNameDirFirst:
+			sort.Sort(byNameDirFirst(l))
+		case sortBySize:
+			sort.Sort(bySize(l))
+		case sortByTime:
+			sort.Sort(byTime(l))
+		default:
+			// If not one of the above, do nothing
+			return
+		}
+	}
+}
+
+func directoryListing(files []os.FileInfo, canGoUp bool, urlPath string, config *Config) (Listing, bool) {
+	var (
+		fileinfos           []FileInfo
+		dirCount, fileCount int
+		hasIndexFile        bool
+	)
+
+	for _, f := range files {
+		name := f.Name()
+
+		for _, indexName := range config.Fs.IndexPages {
+			if name == indexName {
+				hasIndexFile = true
+				break
+			}
+		}
+
+		isDir := f.IsDir() || isSymlinkTargetDir(f, urlPath, config)
+
+		if isDir {
+			name += "/"
+			dirCount++
+		} else {
+			fileCount++
+		}
+
+		if config.Fs.IsHidden(f) {
+			continue
+		}
+
+		url := url.URL{Path: "./" + name} // prepend with "./" to fix paths with ':' in the name
+
+		fileinfos = append(fileinfos, FileInfo{
+			IsDir:     isDir,
+			IsSymlink: isSymlink(f),
+			Name:      f.Name(),
+			Size:      f.Size(),
+			URL:       url.String(),
+			ModTime:   f.ModTime().UTC(),
+			Mode:      f.Mode(),
+		})
+	}
+
+	return Listing{
+		Name:     path.Base(urlPath),
+		Path:     urlPath,
+		CanGoUp:  canGoUp,
+		Items:    fileinfos,
+		NumDirs:  dirCount,
+		NumFiles: fileCount,
+	}, hasIndexFile
+}
+
+// isSymlink return true if f is a symbolic link
+func isSymlink(f os.FileInfo) bool {
+	return f.Mode()&os.ModeSymlink != 0
+}
+
+// isSymlinkTargetDir return true if f's symbolic link target
+// is a directory. Return false if not a symbolic link.
+func isSymlinkTargetDir(f os.FileInfo, urlPath string, config *Config) bool {
+	if !isSymlink(f) {
+		return false
+	}
+
+	// a bit strange, but we want Stat thru the jailed filesystem to be safe
+	target, err := config.Fs.Root.Open(path.Join(urlPath, f.Name()))
+	if err != nil {
+		return false
+	}
+	defer target.Close()
+	targetInfo, err := target.Stat()
+	if err != nil {
+		return false
+	}
+
+	return targetInfo.IsDir()
+}
+
+// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
+// If so, control is handed over to ServeListing.
+func (b Browse) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+	// See if there's a browse configuration to match the path
+	var bc *Config
+	for i := range b.Configs {
+		if httpserver.Path(r.URL.Path).Matches(b.Configs[i].PathScope) {
+			bc = &b.Configs[i]
+			break
+		}
+	}
+	if bc == nil {
+		return b.Next.ServeHTTP(w, r)
+	}
+
+	// Browse works on existing directories; delegate everything else
+	requestedFilepath, err := bc.Fs.Root.Open(r.URL.Path)
+	if err != nil {
+		switch {
+		case os.IsPermission(err):
+			return http.StatusForbidden, err
+		case os.IsExist(err):
+			return http.StatusNotFound, err
+		default:
+			return b.Next.ServeHTTP(w, r)
+		}
+	}
+	defer requestedFilepath.Close()
+
+	info, err := requestedFilepath.Stat()
+	if err != nil {
+		switch {
+		case os.IsPermission(err):
+			return http.StatusForbidden, err
+		case os.IsExist(err):
+			return http.StatusGone, err
+		default:
+			return b.Next.ServeHTTP(w, r)
+		}
+	}
+	if !info.IsDir() {
+		return b.Next.ServeHTTP(w, r)
+	}
+
+	// Do not reply to anything else because it might be nonsensical
+	switch r.Method {
+	case http.MethodGet, http.MethodHead:
+		// proceed, noop
+	case "PROPFIND", http.MethodOptions:
+		return http.StatusNotImplemented, nil
+	default:
+		return b.Next.ServeHTTP(w, r)
+	}
+
+	// Browsing navigation gets messed up if browsing a directory
+	// that doesn't end in "/" (which it should, anyway)
+	u := *r.URL
+	if u.Path == "" {
+		u.Path = "/"
+	}
+	if u.Path[len(u.Path)-1] != '/' {
+		u.Path += "/"
+		http.Redirect(w, r, u.String(), http.StatusMovedPermanently)
+		return http.StatusMovedPermanently, nil
+	}
+
+	return b.ServeListing(w, r, requestedFilepath, bc)
+}
+
+func (b Browse) loadDirectoryContents(requestedFilepath http.File, urlPath string, config *Config) (*Listing, bool, error) {
+	files, err := requestedFilepath.Readdir(-1)
+	if err != nil {
+		return nil, false, err
+	}
+
+	// Determine if user can browse up another folder
+	var canGoUp bool
+	curPathDir := path.Dir(strings.TrimSuffix(urlPath, "/"))
+	for _, other := range b.Configs {
+		if strings.HasPrefix(curPathDir, other.PathScope) {
+			canGoUp = true
+			break
+		}
+	}
+
+	// Assemble listing of directory contents
+	listing, hasIndex := directoryListing(files, canGoUp, urlPath, config)
+
+	return &listing, hasIndex, nil
+}
+
+// handleSortOrder gets and stores for a Listing the 'sort' and 'order',
+// and reads 'limit' if given. The latter is 0 if not given.
+//
+// This sets Cookies.
+func (b Browse) handleSortOrder(w http.ResponseWriter, r *http.Request, scope string) (sort string, order string, limit int, err error) {
+	sort, order, limitQuery := r.URL.Query().Get("sort"), r.URL.Query().Get("order"), r.URL.Query().Get("limit")
+
+	// If the query 'sort' or 'order' is empty, use defaults or any values previously saved in Cookies
+	switch sort {
+	case "":
+		sort = sortByNameDirFirst
+		if sortCookie, sortErr := r.Cookie("sort"); sortErr == nil {
+			sort = sortCookie.Value
+		}
+	case sortByName, sortByNameDirFirst, sortBySize, sortByTime:
+		http.SetCookie(w, &http.Cookie{Name: "sort", Value: sort, Path: scope, Secure: r.TLS != nil})
+	}
+
+	switch order {
+	case "":
+		order = "asc"
+		if orderCookie, orderErr := r.Cookie("order"); orderErr == nil {
+			order = orderCookie.Value
+		}
+	case "asc", "desc":
+		http.SetCookie(w, &http.Cookie{Name: "order", Value: order, Path: scope, Secure: r.TLS != nil})
+	}
+
+	if limitQuery != "" {
+		limit, err = strconv.Atoi(limitQuery)
+		if err != nil { // if the 'limit' query can't be interpreted as a number, return err
+			return
+		}
+	}
+
+	return
+}
+
+// ServeListing returns a formatted view of 'requestedFilepath' contents'.
+func (b Browse) ServeListing(w http.ResponseWriter, r *http.Request, requestedFilepath http.File, bc *Config) (int, error) {
+	listing, containsIndex, err := b.loadDirectoryContents(requestedFilepath, r.URL.Path, bc)
+	if err != nil {
+		switch {
+		case os.IsPermission(err):
+			return http.StatusForbidden, err
+		case os.IsExist(err):
+			return http.StatusGone, err
+		default:
+			return http.StatusInternalServerError, err
+		}
+	}
+	if containsIndex && !b.IgnoreIndexes { // directory isn't browsable
+		return b.Next.ServeHTTP(w, r)
+	}
+	listing.Context = httpserver.Context{
+		Root: bc.Fs.Root,
+		Req:  r,
+		URL:  r.URL,
+	}
+	listing.User = bc.Variables
+
+	// Copy the query values into the Listing struct
+	var limit int
+	listing.Sort, listing.Order, limit, err = b.handleSortOrder(w, r, bc.PathScope)
+	if err != nil {
+		return http.StatusBadRequest, err
+	}
+
+	listing.applySort()
+
+	if limit > 0 && limit <= len(listing.Items) {
+		listing.Items = listing.Items[:limit]
+		listing.ItemsLimitedTo = limit
+	}
+
+	var buf *bytes.Buffer
+	acceptHeader := strings.ToLower(strings.Join(r.Header["Accept"], ","))
+	switch {
+	case strings.Contains(acceptHeader, "application/json"):
+		if buf, err = b.formatAsJSON(listing, bc); err != nil {
+			return http.StatusInternalServerError, err
+		}
+		w.Header().Set("Content-Type", "application/json; charset=utf-8")
+
+	default: // There's no 'application/json' in the 'Accept' header; browse normally
+		if buf, err = b.formatAsHTML(listing, bc); err != nil {
+			return http.StatusInternalServerError, err
+		}
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+
+	}
+
+	buf.WriteTo(w)
+
+	return http.StatusOK, nil
+}
+
+func (b Browse) formatAsJSON(listing *Listing, bc *Config) (*bytes.Buffer, error) {
+	marsh, err := json.Marshal(listing.Items)
+	if err != nil {
+		return nil, err
+	}
+
+	buf := new(bytes.Buffer)
+	_, err = buf.Write(marsh)
+	return buf, err
+}
+
+func (b Browse) formatAsHTML(listing *Listing, bc *Config) (*bytes.Buffer, error) {
+	buf := new(bytes.Buffer)
+	err := bc.Template.Execute(buf, listing)
+	return buf, err
+}
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/browse_test.go
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/browse_test.go
@@ -0,0 +1,625 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package browse
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sort"
+	"strings"
+	"testing"
+	"text/template"
+	"time"
+
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+	"github.com/mholt/caddy/caddyhttp/staticfiles"
+)
+
+const testDirPrefix = "caddy_browse_test"
+
+func TestSort(t *testing.T) {
+	// making up []fileInfo with bogus values;
+	// to be used to make up our "listing"
+	fileInfos := []FileInfo{
+		{
+			Name:    "fizz",
+			Size:    4,
+			ModTime: time.Now().AddDate(-1, 1, 0),
+		},
+		{
+			Name:    "buzz",
+			Size:    2,
+			ModTime: time.Now().AddDate(0, -3, 3),
+		},
+		{
+			Name:    "bazz",
+			Size:    1,
+			ModTime: time.Now().AddDate(0, -2, -23),
+		},
+		{
+			Name:    "jazz",
+			Size:    3,
+			ModTime: time.Now(),
+		},
+	}
+	listing := Listing{
+		Name:    "foobar",
+		Path:    "/fizz/buzz",
+		CanGoUp: false,
+		Items:   fileInfos,
+	}
+
+	// sort by name
+	listing.Sort = "name"
+	listing.applySort()
+	if !sort.IsSorted(byName(listing)) {
+		t.Errorf("The listing isn't name sorted: %v", listing.Items)
+	}
+
+	// sort by size
+	listing.Sort = "size"
+	listing.applySort()
+	if !sort.IsSorted(bySize(listing)) {
+		t.Errorf("The listing isn't size sorted: %v", listing.Items)
+	}
+
+	// sort by Time
+	listing.Sort = "time"
+	listing.applySort()
+	if !sort.IsSorted(byTime(listing)) {
+		t.Errorf("The listing isn't time sorted: %v", listing.Items)
+	}
+
+	// sort by name dir first
+	listing.Sort = "namedirfirst"
+	listing.applySort()
+	if !sort.IsSorted(byNameDirFirst(listing)) {
+		t.Errorf("The listing isn't namedirfirst sorted: %v", listing.Items)
+	}
+
+	// reverse by name
+	listing.Sort = "name"
+	listing.Order = "desc"
+	listing.applySort()
+	if !isReversed(byName(listing)) {
+		t.Errorf("The listing isn't reversed by name: %v", listing.Items)
+	}
+
+	// reverse by size
+	listing.Sort = "size"
+	listing.Order = "desc"
+	listing.applySort()
+	if !isReversed(bySize(listing)) {
+		t.Errorf("The listing isn't reversed by size: %v", listing.Items)
+	}
+
+	// reverse by time
+	listing.Sort = "time"
+	listing.Order = "desc"
+	listing.applySort()
+	if !isReversed(byTime(listing)) {
+		t.Errorf("The listing isn't reversed by time: %v", listing.Items)
+	}
+
+	// reverse by name dir first
+	listing.Sort = "namedirfirst"
+	listing.Order = "desc"
+	listing.applySort()
+	if !isReversed(byNameDirFirst(listing)) {
+		t.Errorf("The listing isn't reversed by namedirfirst: %v", listing.Items)
+	}
+}
+
+func TestBrowseHTTPMethods(t *testing.T) {
+	tmpl, err := template.ParseFiles("testdata/photos.tpl")
+	if err != nil {
+		t.Fatalf("An error occurred while parsing the template: %v", err)
+	}
+
+	b := Browse{
+		Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+			return http.StatusTeapot, nil // not t.Fatalf, or we will not see what other methods yield
+		}),
+		Configs: []Config{
+			{
+				PathScope: "/photos",
+				Fs: staticfiles.FileServer{
+					Root: http.Dir("./testdata"),
+				},
+				Template: tmpl,
+			},
+		},
+	}
+
+	rec := httptest.NewRecorder()
+	for method, expected := range map[string]int{
+		http.MethodGet:     http.StatusOK,
+		http.MethodHead:    http.StatusOK,
+		http.MethodOptions: http.StatusNotImplemented,
+		"PROPFIND":         http.StatusNotImplemented,
+	} {
+		req, err := http.NewRequest(method, "/photos/", nil)
+		if err != nil {
+			t.Fatalf("Test: Could not create HTTP request: %v", err)
+		}
+		ctx := context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)
+		req = req.WithContext(ctx)
+
+		code, _ := b.ServeHTTP(rec, req)
+		if code != expected {
+			t.Errorf("Wrong status with HTTP Method %s: expected %d, got %d", method, expected, code)
+		}
+	}
+}
+
+func TestBrowseTemplate(t *testing.T) {
+	tmpl, err := template.ParseFiles("testdata/photos.tpl")
+	if err != nil {
+		t.Fatalf("An error occurred while parsing the template: %v", err)
+	}
+
+	b := Browse{
+		Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+			t.Fatalf("Next shouldn't be called")
+			return 0, nil
+		}),
+		Configs: []Config{
+			{
+				PathScope: "/photos",
+				Fs: staticfiles.FileServer{
+					Root: http.Dir("./testdata"),
+					Hide: []string{"photos/hidden.html"},
+				},
+				Template: tmpl,
+			},
+		},
+	}
+
+	req, err := http.NewRequest("GET", "/photos/", nil)
+	if err != nil {
+		t.Fatalf("Test: Could not create HTTP request: %v", err)
+	}
+	ctx := context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)
+	req = req.WithContext(ctx)
+
+	rec := httptest.NewRecorder()
+
+	code, _ := b.ServeHTTP(rec, req)
+	if code != http.StatusOK {
+		t.Fatalf("Wrong status, expected %d, got %d", http.StatusOK, code)
+	}
+
+	respBody := rec.Body.String()
+	expectedBody := `<!DOCTYPE html>
+<html>
+<head>
+<title>Template</title>
+</head>
+<body>
+<h1>Header</h1>
+
+<h1>/photos/</h1>
+
+<a href="./test1/">test1</a><br>
+
+<a href="./test.html">test.html</a><br>
+
+<a href="./test2.html">test2.html</a><br>
+
+<a href="./test3.html">test3.html</a><br>
+
+</body>
+</html>
+`
+
+	if respBody != expectedBody {
+		t.Fatalf("Expected body: '%v' got: '%v'", expectedBody, respBody)
+	}
+
+}
+
+func TestBrowseJson(t *testing.T) {
+	b := Browse{
+		Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+			t.Fatalf("Next shouldn't be called: %s", r.URL)
+			return 0, nil
+		}),
+		Configs: []Config{
+			{
+				PathScope: "/photos/",
+				Fs: staticfiles.FileServer{
+					Root: http.Dir("./testdata"),
+				},
+			},
+		},
+	}
+
+	//Getting the listing from the ./testdata/photos, the listing returned will be used to validate test results
+	testDataPath := filepath.Join("./testdata", "photos")
+	file, err := os.Open(testDataPath)
+	if err != nil {
+		if os.IsPermission(err) {
+			t.Fatalf("Os Permission Error")
+		}
+	}
+	defer file.Close()
+
+	files, err := file.Readdir(-1)
+	if err != nil {
+		t.Fatalf("Unable to Read Contents of the directory")
+	}
+	var fileinfos []FileInfo
+
+	for i, f := range files {
+		name := f.Name()
+
+		// Tests fail in CI environment because all file mod times are the same for
+		// some reason, making the sorting unpredictable. To hack around this,
+		// we ensure here that each file has a different mod time.
+		chTime := f.ModTime().UTC().Add(-(time.Duration(i) * time.Second))
+		if err := os.Chtimes(filepath.Join(testDataPath, name), chTime, chTime); err != nil {
+			t.Fatal(err)
+		}
+
+		if f.IsDir() {
+			name += "/"
+		}
+
+		url := url.URL{Path: "./" + name}
+
+		fileinfos = append(fileinfos, FileInfo{
+			IsDir:   f.IsDir(),
+			Name:    f.Name(),
+			Size:    f.Size(),
+			URL:     url.String(),
+			ModTime: chTime,
+			Mode:    f.Mode(),
+		})
+	}
+
+	// Test that sort=name returns correct listing.
+
+	listing := Listing{Items: fileinfos} // this listing will be used for validation inside the tests
+
+	tests := []struct {
+		QueryURL       string
+		SortBy         string
+		OrderBy        string
+		Limit          int
+		shouldErr      bool
+		expectedResult []FileInfo
+	}{
+		//test case 1: testing for default sort and  order and without the limit parameter, default sort is by name and the default order is ascending
+		//without the limit query entire listing will be produced
+		{"/?sort=name", "", "", -1, false, listing.Items},
+		//test case 2: limit is set to 1, orderBy and sortBy is default
+		{"/?limit=1&sort=name", "", "", 1, false, listing.Items[:1]},
+		//test case 3 : if the listing request is bigger than total size of listing then it should return everything
+		{"/?limit=100000000&sort=name", "", "", 100000000, false, listing.Items},
+		//test case 4 : testing for negative limit
+		{"/?limit=-1&sort=name", "", "", -1, false, listing.Items},
+		//test case 5 : testing with limit set to -1 and order set to descending
+		{"/?limit=-1&order=desc&sort=name", "", "desc", -1, false, listing.Items},
+		//test case 6 : testing with limit set to 2 and order set to descending
+		{"/?limit=2&order=desc&sort=name", "", "desc", 2, false, listing.Items},
+		//test case 7 : testing with limit set to 3 and order set to descending
+		{"/?limit=3&order=desc&sort=name", "", "desc", 3, false, listing.Items},
+		//test case 8 : testing with limit set to 3 and order set to ascending
+		{"/?limit=3&order=asc&sort=name", "", "asc", 3, false, listing.Items},
+		//test case 9 : testing with limit set to 1111111 and order set to ascending
+		{"/?limit=1111111&order=asc&sort=name", "", "asc", 1111111, false, listing.Items},
+		//test case 10 : testing with limit set to default and order set to ascending and sorting by size
+		{"/?order=asc&sort=size&sort=name", "size", "asc", -1, false, listing.Items},
+		//test case 11 : testing with limit set to default and order set to ascending and sorting by last modified
+		{"/?order=asc&sort=time&sort=name", "time", "asc", -1, false, listing.Items},
+		//test case 12 : testing with limit set to 1 and order set to ascending and sorting by last modified
+		{"/?order=asc&sort=time&limit=1&sort=name", "time", "asc", 1, false, listing.Items},
+		//test case 13 : testing with limit set to -100 and order set to ascending and sorting by last modified
+		{"/?order=asc&sort=time&limit=-100&sort=name", "time", "asc", -100, false, listing.Items},
+		//test case 14 : testing with limit set to -100 and order set to ascending and sorting by size
+		{"/?order=asc&sort=size&limit=-100&sort=name", "size", "asc", -100, false, listing.Items},
+	}
+
+	for i, test := range tests {
+		var marsh []byte
+		req, err := http.NewRequest("GET", "/photos"+test.QueryURL, nil)
+		if err != nil && !test.shouldErr {
+			t.Errorf("Test %d errored when making request, but it shouldn't have; got '%v'", i, err)
+		}
+		ctx := context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)
+		req = req.WithContext(ctx)
+
+		req.Header.Set("Accept", "application/json")
+		rec := httptest.NewRecorder()
+
+		code, err := b.ServeHTTP(rec, req)
+		if err == nil && test.shouldErr {
+			t.Errorf("Test %d didn't error, but it should have", i)
+		} else if err != nil && !test.shouldErr {
+			t.Errorf("Test %d errored, but it shouldn't have; got '%v'", i, err)
+		}
+		if code != http.StatusOK {
+			t.Fatalf("In test %d: Wrong status, expected %d, got %d", i, http.StatusOK, code)
+		}
+		if rec.HeaderMap.Get("Content-Type") != "application/json; charset=utf-8" {
+			t.Fatalf("Expected Content type to be application/json; charset=utf-8, but got %s ", rec.HeaderMap.Get("Content-Type"))
+		}
+
+		actualJSONResponse := rec.Body.String()
+		copyOflisting := listing
+		if test.SortBy == "" {
+			copyOflisting.Sort = "name"
+		} else {
+			copyOflisting.Sort = test.SortBy
+		}
+		if test.OrderBy == "" {
+			copyOflisting.Order = "asc"
+		} else {
+			copyOflisting.Order = test.OrderBy
+		}
+
+		copyOflisting.applySort()
+
+		limit := test.Limit
+		if limit <= len(copyOflisting.Items) && limit > 0 {
+			marsh, err = json.Marshal(copyOflisting.Items[:limit])
+		} else { // if the 'limit' query is empty, or has the wrong value, list everything
+			marsh, err = json.Marshal(copyOflisting.Items)
+		}
+
+		if err != nil {
+			t.Fatalf("Unable to Marshal the listing ")
+		}
+		expectedJSON := string(marsh)
+
+		if actualJSONResponse != expectedJSON {
+			t.Errorf("JSON response doesn't match the expected for test number %d with sort=%s, order=%s\nExpected response %s\nActual response = %s\n",
+				i+1, test.SortBy, test.OrderBy, expectedJSON, actualJSONResponse)
+		}
+	}
+}
+
+// "sort" package has "IsSorted" function, but no "IsReversed";
+func isReversed(data sort.Interface) bool {
+	n := data.Len()
+	for i := n - 1; i > 0; i-- {
+		if !data.Less(i, i-1) {
+			return false
+		}
+	}
+	return true
+}
+
+func TestBrowseRedirect(t *testing.T) {
+	testCases := []struct {
+		url        string
+		statusCode int
+		returnCode int
+		location   string
+	}{
+		{
+			"http://www.example.com/photos",
+			http.StatusMovedPermanently,
+			http.StatusMovedPermanently,
+			"http://www.example.com/photos/",
+		},
+		{
+			"/photos",
+			http.StatusMovedPermanently,
+			http.StatusMovedPermanently,
+			"/photos/",
+		},
+	}
+
+	for i, tc := range testCases {
+		b := Browse{
+			Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+				t.Fatalf("Test %d - Next shouldn't be called", i)
+				return 0, nil
+			}),
+			Configs: []Config{
+				{
+					PathScope: "/photos",
+					Fs: staticfiles.FileServer{
+						Root: http.Dir("./testdata"),
+					},
+				},
+			},
+		}
+
+		req, err := http.NewRequest("GET", tc.url, nil)
+		if err != nil {
+			t.Fatalf("Test %d - could not create HTTP request: %v", i, err)
+		}
+		ctx := context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)
+		req = req.WithContext(ctx)
+
+		rec := httptest.NewRecorder()
+
+		returnCode, _ := b.ServeHTTP(rec, req)
+		if returnCode != tc.returnCode {
+			t.Fatalf("Test %d - wrong return code, expected %d, got %d",
+				i, tc.returnCode, returnCode)
+		}
+
+		if got := rec.Code; got != tc.statusCode {
+			t.Errorf("Test %d - wrong status, expected %d, got %d",
+				i, tc.statusCode, got)
+		}
+
+		if got := rec.Header().Get("Location"); got != tc.location {
+			t.Errorf("Test %d - wrong Location header, expected %s, got %s",
+				i, tc.location, got)
+		}
+	}
+}
+
+func TestDirSymlink(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		// Windows support for symlinks is limited, and we had a hard time getting
+		// all these tests to pass with the permissions of CI; so just skip them
+		fmt.Println("Skipping browse symlink tests on Windows...")
+		return
+	}
+
+	testCases := []struct {
+		source       string
+		target       string
+		pathScope    string
+		url          string
+		expectedName string
+		expectedURL  string
+	}{
+		// test case can expect a directory "dir" and a symlink to it called "symlink"
+
+		{"dir", "$TMP/rel_symlink_to_dir", "/", "/",
+			"rel_symlink_to_dir", "./rel_symlink_to_dir/"},
+		{"$TMP/dir", "$TMP/abs_symlink_to_dir", "/", "/",
+			"abs_symlink_to_dir", "./abs_symlink_to_dir/"},
+
+		{"../../dir", "$TMP/sub/dir/rel_symlink_to_dir", "/", "/sub/dir/",
+			"rel_symlink_to_dir", "./rel_symlink_to_dir/"},
+		{"$TMP/dir", "$TMP/sub/dir/abs_symlink_to_dir", "/", "/sub/dir/",
+			"abs_symlink_to_dir", "./abs_symlink_to_dir/"},
+
+		{"../../dir", "$TMP/with/scope/rel_symlink_to_dir", "/with/scope", "/with/scope/",
+			"rel_symlink_to_dir", "./rel_symlink_to_dir/"},
+		{"$TMP/dir", "$TMP/with/scope/abs_symlink_to_dir", "/with/scope", "/with/scope/",
+			"abs_symlink_to_dir", "./abs_symlink_to_dir/"},
+
+		{"../../../../dir", "$TMP/with/scope/sub/dir/rel_symlink_to_dir", "/with/scope", "/with/scope/sub/dir/",
+			"rel_symlink_to_dir", "./rel_symlink_to_dir/"},
+		{"$TMP/dir", "$TMP/with/scope/sub/dir/abs_symlink_to_dir", "/with/scope", "/with/scope/sub/dir/",
+			"abs_symlink_to_dir", "./abs_symlink_to_dir/"},
+
+		{"symlink", "$TMP/rel_symlink_to_symlink", "/", "/",
+			"rel_symlink_to_symlink", "./rel_symlink_to_symlink/"},
+		{"$TMP/symlink", "$TMP/abs_symlink_to_symlink", "/", "/",
+			"abs_symlink_to_symlink", "./abs_symlink_to_symlink/"},
+
+		{"../../symlink", "$TMP/sub/dir/rel_symlink_to_symlink", "/", "/sub/dir/",
+			"rel_symlink_to_symlink", "./rel_symlink_to_symlink/"},
+		{"$TMP/symlink", "$TMP/sub/dir/abs_symlink_to_symlink", "/", "/sub/dir/",
+			"abs_symlink_to_symlink", "./abs_symlink_to_symlink/"},
+
+		{"../../symlink", "$TMP/with/scope/rel_symlink_to_symlink", "/with/scope", "/with/scope/",
+			"rel_symlink_to_symlink", "./rel_symlink_to_symlink/"},
+		{"$TMP/symlink", "$TMP/with/scope/abs_symlink_to_symlink", "/with/scope", "/with/scope/",
+			"abs_symlink_to_symlink", "./abs_symlink_to_symlink/"},
+
+		{"../../../../symlink", "$TMP/with/scope/sub/dir/rel_symlink_to_symlink", "/with/scope", "/with/scope/sub/dir/",
+			"rel_symlink_to_symlink", "./rel_symlink_to_symlink/"},
+		{"$TMP/symlink", "$TMP/with/scope/sub/dir/abs_symlink_to_symlink", "/with/scope", "/with/scope/sub/dir/",
+			"abs_symlink_to_symlink", "./abs_symlink_to_symlink/"},
+	}
+
+	for i, tc := range testCases {
+		func() {
+			tmpdir, err := ioutil.TempDir("", testDirPrefix)
+			if err != nil {
+				t.Fatalf("failed to create test directory: %v", err)
+			}
+			defer os.RemoveAll(tmpdir)
+
+			if err := os.MkdirAll(filepath.Join(tmpdir, "dir"), 0755); err != nil {
+				t.Fatalf("failed to create test dir 'dir': %v", err)
+			}
+			if err := os.Symlink("dir", filepath.Join(tmpdir, "symlink")); err != nil {
+				t.Fatalf("failed to create test symlink 'symlink': %v", err)
+			}
+
+			sourceResolved := strings.Replace(tc.source, "$TMP", tmpdir, -1)
+			targetResolved := strings.Replace(tc.target, "$TMP", tmpdir, -1)
+
+			if err := os.MkdirAll(filepath.Dir(sourceResolved), 0755); err != nil {
+				t.Fatalf("failed to create source symlink dir: %v", err)
+			}
+			if err := os.MkdirAll(filepath.Dir(targetResolved), 0755); err != nil {
+				t.Fatalf("failed to create target symlink dir: %v", err)
+			}
+			if err := os.Symlink(sourceResolved, targetResolved); err != nil {
+				t.Fatalf("failed to create test symlink: %v", err)
+			}
+
+			b := Browse{
+				Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+					t.Fatalf("Test %d - Next shouldn't be called", i)
+					return 0, nil
+				}),
+				Configs: []Config{
+					{
+						PathScope: tc.pathScope,
+						Fs: staticfiles.FileServer{
+							Root: http.Dir(tmpdir),
+						},
+					},
+				},
+			}
+
+			req, err := http.NewRequest("GET", tc.url, nil)
+			req.Header.Add("Accept", "application/json")
+			if err != nil {
+				t.Fatalf("Test %d - could not create HTTP request: %v", i, err)
+			}
+
+			rec := httptest.NewRecorder()
+
+			returnCode, _ := b.ServeHTTP(rec, req)
+			if returnCode != http.StatusOK {
+				t.Fatalf("Test %d - wrong return code, expected %d, got %d",
+					i, http.StatusOK, returnCode)
+			}
+
+			type jsonEntry struct {
+				Name      string
+				IsDir     bool
+				IsSymlink bool
+				URL       string
+			}
+			var entries []jsonEntry
+			if err := json.Unmarshal(rec.Body.Bytes(), &entries); err != nil {
+				t.Fatalf("Test %d - failed to parse json: %v", i, err)
+			}
+
+			found := false
+			for _, e := range entries {
+				if e.Name != tc.expectedName {
+					continue
+				}
+				found = true
+				if !e.IsDir {
+					t.Errorf("Test %d - expected to be a dir, got %v", i, e.IsDir)
+				}
+				if !e.IsSymlink {
+					t.Errorf("Test %d - expected to be a symlink, got %v", i, e.IsSymlink)
+				}
+				if e.URL != tc.expectedURL {
+					t.Errorf("Test %d - wrong URL, expected %v, got %v", i, tc.expectedURL, e.URL)
+				}
+			}
+			if !found {
+				t.Errorf("Test %d - failed, could not find name %v", i, tc.expectedName)
+			}
+		}()
+	}
+}
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/setup.go
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/setup.go
@@ -0,0 +1,508 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package browse
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"text/template"
+
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+	"github.com/mholt/caddy/caddyhttp/staticfiles"
+)
+
+func init() {
+	caddy.RegisterPlugin("browse", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+// setup configures a new Browse middleware instance.
+func setup(c *caddy.Controller) error {
+	configs, err := browseParse(c)
+	if err != nil {
+		return err
+	}
+
+	b := Browse{
+		Configs:       configs,
+		IgnoreIndexes: false,
+	}
+
+	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+		b.Next = next
+		return b
+	})
+
+	return nil
+}
+
+func browseParse(c *caddy.Controller) ([]Config, error) {
+	var configs []Config
+
+	cfg := httpserver.GetConfig(c)
+
+	appendCfg := func(bc Config) error {
+		for _, c := range configs {
+			if c.PathScope == bc.PathScope {
+				return fmt.Errorf("duplicate browsing config for %s", c.PathScope)
+			}
+		}
+		configs = append(configs, bc)
+		return nil
+	}
+
+	for c.Next() {
+		var bc Config
+
+		// First argument is directory to allow browsing; default is site root
+		if c.NextArg() {
+			bc.PathScope = c.Val()
+		} else {
+			bc.PathScope = "/"
+		}
+
+		bc.Fs = staticfiles.FileServer{
+			Root:       http.Dir(cfg.Root),
+			Hide:       cfg.HiddenFiles,
+			IndexPages: cfg.IndexPages,
+		}
+
+		// Second argument would be the template file to use
+		var tplText string
+		if c.NextArg() {
+			tplBytes, err := ioutil.ReadFile(c.Val())
+			if err != nil {
+				return configs, err
+			}
+			tplText = string(tplBytes)
+		} else {
+			tplText = defaultTemplate
+		}
+
+		// Build the template
+		tpl, err := template.New("listing").Parse(tplText)
+		if err != nil {
+			return configs, err
+		}
+		bc.Template = tpl
+
+		// Save configuration
+		err = appendCfg(bc)
+		if err != nil {
+			return configs, err
+		}
+	}
+
+	return configs, nil
+}
+
+// The default template to use when serving up directory listings
+const defaultTemplate = `<!DOCTYPE html>
+<html>
+	<head>
+		<title>{{html .Name}}</title>
+		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<style>
+* { padding: 0; margin: 0; }
+
+body {
+	font-family: sans-serif;
+	text-rendering: optimizespeed;
+}
+
+a {
+	color: #006ed3;
+	text-decoration: none;
+}
+
+a:hover,
+h1 a:hover {
+	color: #319cff;
+}
+
+header,
+#summary {
+	padding-left: 5%;
+	padding-right: 5%;
+}
+
+th:first-child,
+td:first-child {
+	padding-left: 5%;
+}
+
+th:last-child,
+td:last-child {
+	padding-right: 5%;
+}
+
+header {
+	padding-top: 25px;
+	padding-bottom: 15px;
+	background-color: #f2f2f2;
+}
+
+h1 {
+	font-size: 20px;
+	font-weight: normal;
+	white-space: nowrap;
+	overflow-x: hidden;
+	text-overflow: ellipsis;
+	color: #999;
+}
+
+h1 a {
+	color: #000;
+	margin: 0 4px;
+}
+
+h1 a:hover {
+	text-decoration: underline;
+}
+
+h1 a:first-child {
+	margin: 0;
+}
+
+main {
+	display: block;
+}
+
+.meta {
+	font-size: 12px;
+	font-family: Verdana, sans-serif;
+	border-bottom: 1px solid #9C9C9C;
+	padding-top: 10px;
+	padding-bottom: 10px;
+}
+
+.meta-item {
+	margin-right: 1em;
+}
+
+#filter {
+	padding: 4px;
+	border: 1px solid #CCC;
+}
+
+table {
+	width: 100%;
+	border-collapse: collapse;
+}
+
+tr {
+	border-bottom: 1px dashed #dadada;
+}
+
+tbody tr:hover {
+	background-color: #ffffec;
+}
+
+th,
+td {
+	text-align: left;
+	padding: 10px 0;
+}
+
+th {
+	padding-top: 15px;
+	padding-bottom: 15px;
+	font-size: 16px;
+	white-space: nowrap;
+}
+
+th a {
+	color: black;
+}
+
+th svg {
+	vertical-align: middle;
+}
+
+td {
+	white-space: nowrap;
+	font-size: 14px;
+}
+
+td:first-child {
+	width: 100%;
+}
+
+td:nth-child(2) {
+	padding: 0 20px 0 20px;
+}
+
+th:last-child,
+td:last-child {
+	text-align: right;
+}
+
+td:first-child svg {
+	position: absolute;
+}
+
+td .name,
+td .goup {
+	margin-left: 1.75em;
+	word-break: break-all;
+	overflow-wrap: break-word;
+	white-space: pre-wrap;
+}
+
+.icon {
+	margin-right: 5px;
+}
+
+.icon.sort {
+	display: inline-block;
+	width: 1em;
+	height: 1em;
+	position: relative;
+	top: .2em;
+}
+
+.icon.sort .top {
+	position: absolute;
+	left: 0;
+	top: -1px;
+}
+
+.icon.sort .bottom {
+	position: absolute;
+	bottom: -1px;
+	left: 0;
+}
+
+footer {
+	padding: 40px 20px;
+	font-size: 12px;
+	text-align: center;
+}
+
+@media (max-width: 600px) {
+	.hideable {
+		display: none;
+	}
+
+	td:first-child {
+		width: auto;
+	}
+
+	th:nth-child(2),
+	td:nth-child(2) {
+		padding-right: 5%;
+		text-align: right;
+	}
+
+	h1 {
+		color: #000;
+	}
+
+	h1 a {
+		margin: 0;
+	}
+
+	#filter {
+		max-width: 100px;
+	}
+}
+</style>
+	</head>
+	<body>
+		<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="0" width="0" style="position: absolute;">
+			<defs>
+				<!-- Folder -->
+				<g id="folder" fill-rule="nonzero" fill="none">
+					<path d="M285.22 37.55h-142.6L110.9 0H31.7C14.25 0 0 16.9 0 37.55v75.1h316.92V75.1c0-20.65-14.26-37.55-31.7-37.55z" fill="#FFA000"/>
+					<path d="M285.22 36H31.7C14.25 36 0 50.28 0 67.74v158.7c0 17.47 14.26 31.75 31.7 31.75H285.2c17.44 0 31.7-14.3 31.7-31.75V67.75c0-17.47-14.26-31.75-31.7-31.75z" fill="#FFCA28"/>
+				</g>
+				<g id="folder-shortcut" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+					<g id="folder-shortcut-group" fill-rule="nonzero">
+						<g id="folder-shortcut-shape">
+							<path d="M285.224876,37.5486902 L142.612438,37.5486902 L110.920785,0 L31.6916529,0 C14.2612438,0 0,16.8969106 0,37.5486902 L0,112.646071 L316.916529,112.646071 L316.916529,75.0973805 C316.916529,54.4456008 302.655285,37.5486902 285.224876,37.5486902 Z" id="Shape" fill="#FFA000"></path>
+							<path d="M285.224876,36 L31.6916529,36 C14.2612438,36 0,50.2838568 0,67.7419039 L0,226.451424 C0,243.909471 14.2612438,258.193328 31.6916529,258.193328 L285.224876,258.193328 C302.655285,258.193328 316.916529,243.909471 316.916529,226.451424 L316.916529,67.7419039 C316.916529,50.2838568 302.655285,36 285.224876,36 Z" id="Shape" fill="#FFCA28"></path>
+						</g>
+						<path d="M126.154134,250.559184 C126.850974,251.883673 127.300549,253.006122 127.772602,254.106122 C128.469442,255.206122 128.919016,256.104082 129.638335,257.002041 C130.559962,258.326531 131.728855,259 133.100057,259 C134.493737,259 135.415364,258.55102 136.112204,257.67551 C136.809044,257.002041 137.258619,255.902041 137.258619,254.577551 C137.258619,253.904082 137.258619,252.804082 137.033832,251.457143 C136.786566,249.908163 136.561779,249.032653 136.561779,248.583673 C136.089726,242.814286 135.864939,237.920408 135.864939,233.273469 C135.864939,225.057143 136.786566,217.514286 138.180246,210.846939 C139.798713,204.202041 141.889234,198.634694 144.429328,193.763265 C147.216689,188.869388 150.678411,184.873469 154.836973,181.326531 C158.995535,177.779592 163.626149,174.883673 168.481552,172.661224 C173.336954,170.438776 179.113983,168.665306 185.587852,167.340816 C192.061722,166.218367 198.760378,165.342857 205.481514,164.669388 C212.18017,164.220408 219.598146,163.995918 228.162535,163.995918 L246.055591,163.995918 L246.055591,195.514286 C246.055591,197.736735 246.752431,199.510204 248.370899,201.059184 C250.214153,202.608163 252.079886,203.506122 254.372715,203.506122 C256.463236,203.506122 258.531277,202.608163 260.172223,201.059184 L326.102289,137.797959 C327.720757,136.24898 328.642384,134.47551 328.642384,132.253061 C328.642384,130.030612 327.720757,128.257143 326.102289,126.708163 L260.172223,63.4469388 C258.553756,61.8979592 256.463236,61 254.395194,61 C252.079886,61 250.236632,61.8979592 248.393377,63.4469388 C246.77491,64.9959184 246.07807,66.7693878 246.07807,68.9918367 L246.07807,100.510204 L228.162535,100.510204 C166.863084,100.510204 129.166282,117.167347 115.274437,150.459184 C110.666301,161.54898 108.350993,175.310204 108.350993,191.742857 C108.350993,205.279592 113.903236,223.912245 124.760454,247.438776 C125.00772,248.112245 125.457294,249.010204 126.154134,250.559184 Z" id="Shape" fill="#FFFFFF" transform="translate(218.496689, 160.000000) scale(-1, 1) translate(-218.496689, -160.000000) "></path>
+					</g>
+				</g>
+
+				<!-- File -->
+				<g id="file" stroke="#000" stroke-width="25" fill="#FFF" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round">
+					<path d="M13 24.12v274.76c0 6.16 5.87 11.12 13.17 11.12H239c7.3 0 13.17-4.96 13.17-11.12V136.15S132.6 13 128.37 13H26.17C18.87 13 13 17.96 13 24.12z"/>
+					<path d="M129.37 13L129 113.9c0 10.58 7.26 19.1 16.27 19.1H249L129.37 13z"/>
+				</g>
+				<g id="file-shortcut" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+					<g id="file-shortcut-group" transform="translate(13.000000, 13.000000)">
+						<g id="file-shortcut-shape" stroke="#000000" stroke-width="25" fill="#FFFFFF" stroke-linecap="round" stroke-linejoin="round">
+							<path d="M0,11.1214886 L0,285.878477 C0,292.039924 5.87498876,296.999983 13.1728373,296.999983 L225.997983,296.999983 C233.295974,296.999983 239.17082,292.039942 239.17082,285.878477 L239.17082,123.145388 C239.17082,123.145388 119.58541,2.84217094e-14 115.369423,2.84217094e-14 L13.1728576,2.84217094e-14 C5.87500907,-1.71479982e-05 0,4.96022995 0,11.1214886 Z" id="rect1171"></path>
+							<path d="M116.37005,0 L116,100.904964 C116,111.483663 123.258008,120 132.273377,120 L236,120 L116.37005,0 L116.37005,0 Z" id="rect1794"></path>
+						</g>
+						<path d="M47.803141,294.093878 C48.4999811,295.177551 48.9495553,296.095918 49.4216083,296.995918 C50.1184484,297.895918 50.5680227,298.630612 51.2873415,299.365306 C52.2089688,300.44898 53.3778619,301 54.7490634,301 C56.1427436,301 57.0643709,300.632653 57.761211,299.916327 C58.4580511,299.365306 58.9076254,298.465306 58.9076254,297.381633 C58.9076254,296.830612 58.9076254,295.930612 58.6828382,294.828571 C58.4355724,293.561224 58.2107852,292.844898 58.2107852,292.477551 C57.7387323,287.757143 57.5139451,283.753061 57.5139451,279.95102 C57.5139451,273.228571 58.4355724,267.057143 59.8292526,261.602041 C61.44772,256.165306 63.5382403,251.610204 66.0783349,247.62449 C68.8656954,243.620408 72.3274172,240.35102 76.4859792,237.44898 C80.6445412,234.546939 85.2751561,232.177551 90.1305582,230.359184 C94.9859603,228.540816 100.76299,227.089796 107.236859,226.006122 C113.710728,225.087755 120.409385,224.371429 127.13052,223.820408 C133.829177,223.453061 141.247152,223.269388 149.811542,223.269388 L167.704598,223.269388 L167.704598,249.057143 C167.704598,250.87551 168.401438,252.326531 170.019905,253.593878 C171.86316,254.861224 173.728893,255.595918 176.021722,255.595918 C178.112242,255.595918 180.180284,254.861224 181.82123,253.593878 L247.751296,201.834694 C249.369763,200.567347 250.291391,199.116327 250.291391,197.297959 C250.291391,195.479592 249.369763,194.028571 247.751296,192.761224 L181.82123,141.002041 C180.202763,139.734694 178.112242,139 176.044201,139 C173.728893,139 171.885639,139.734694 170.042384,141.002041 C168.423917,142.269388 167.727077,143.720408 167.727077,145.538776 L167.727077,171.326531 L149.811542,171.326531 C88.5120908,171.326531 50.8152886,184.955102 36.9234437,212.193878 C32.3153075,221.267347 30,232.526531 30,245.971429 C30,257.046939 35.5522422,272.291837 46.4094607,291.540816 C46.6567266,292.091837 47.1063009,292.826531 47.803141,294.093878 Z" id="Shape-Copy" fill="#000000" fill-rule="nonzero" transform="translate(140.145695, 220.000000) scale(-1, 1) translate(-140.145695, -220.000000) "></path>
+					</g>
+				</g>
+
+				<!-- Up arrow -->
+				<g id="up-arrow" transform="translate(-279.22 -208.12)">
+					<path transform="matrix(.22413 0 0 .12089 335.67 164.35)" stroke-width="0" d="m-194.17 412.01h-28.827-28.827l14.414-24.965 14.414-24.965 14.414 24.965z"/>
+				</g>
+
+				<!-- Down arrow -->
+				<g id="down-arrow" transform="translate(-279.22 -208.12)">
+					<path transform="matrix(.22413 0 0 -.12089 335.67 257.93)" stroke-width="0" d="m-194.17 412.01h-28.827-28.827l14.414-24.965 14.414-24.965 14.414 24.965z"/>
+				</g>
+			</defs>
+		</svg>
+
+		<header>
+			<h1>
+				{{range $i, $crumb := .Breadcrumbs}}<a href="{{html $crumb.Link}}">{{html $crumb.Text}}</a>{{if ne $i 0}}/{{end}}{{end}}
+			</h1>
+		</header>
+		<main>
+			<div class="meta">
+				<div id="summary">
+					<span class="meta-item"><b>{{.NumDirs}}</b> director{{if eq 1 .NumDirs}}y{{else}}ies{{end}}</span>
+					<span class="meta-item"><b>{{.NumFiles}}</b> file{{if ne 1 .NumFiles}}s{{end}}</span>
+					{{- if ne 0 .ItemsLimitedTo}}
+					<span class="meta-item">(of which only <b>{{.ItemsLimitedTo}}</b> are displayed)</span>
+					{{- end}}
+					<span class="meta-item"><input type="text" placeholder="filter" id="filter" onkeyup='filter()'></span>
+				</div>
+			</div>
+			<div class="listing">
+				<table aria-describedby="summary">
+					<thead>
+					<tr>
+						<th>
+							{{- if and (eq .Sort "namedirfirst") (ne .Order "desc")}}
+							<a href="?sort=namedirfirst&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}" class="icon"><svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
+							{{- else if and (eq .Sort "namedirfirst") (ne .Order "asc")}}
+							<a href="?sort=namedirfirst&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}" class="icon"><svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
+							{{- else}}
+							<a href="?sort=namedirfirst&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}" class="icon sort"><svg class="top" width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg><svg class="bottom" width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
+							{{- end}}
+							
+							{{- if and (eq .Sort "name") (ne .Order "desc")}}
+							<a href="?sort=name&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
+							{{- else if and (eq .Sort "name") (ne .Order "asc")}}
+							<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
+							{{- else}}
+							<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name</a>
+							{{- end}}
+						</th>
+						<th>
+							{{- if and (eq .Sort "size") (ne .Order "desc")}}
+							<a href="?sort=size&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
+							{{- else if and (eq .Sort "size") (ne .Order "asc")}}
+							<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
+							{{- else}}
+							<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size</a>
+							{{- end}}
+						</th>
+						<th class="hideable">
+							{{- if and (eq .Sort "time") (ne .Order "desc")}}
+							<a href="?sort=time&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
+							{{- else if and (eq .Sort "time") (ne .Order "asc")}}
+							<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
+							{{- else}}
+							<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified</a>
+							{{- end}}
+						</th>
+					</tr>
+					</thead>
+					<tbody>
+					{{- if .CanGoUp}}
+					<tr>
+						<td>
+							<a href="..">
+								<span class="goup">Go up</span>
+							</a>
+						</td>
+						<td>&mdash;</td>
+						<td class="hideable">&mdash;</td>
+					</tr>
+					{{- end}}
+					{{- range .Items}}
+					<tr class="file">
+						<td>
+							<a href="{{html .URL}}">
+								{{- if .IsDir}}
+								<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 317 259"><use xlink:href="#folder{{if .IsSymlink}}-shortcut{{end}}"></use></svg>
+								{{- else}}
+								<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 265 323"><use xlink:href="#file{{if .IsSymlink}}-shortcut{{end}}"></use></svg>
+								{{- end}}
+								<span class="name">{{html .Name}}</span>
+							</a>
+						</td>
+						{{- if .IsDir}}
+						<td data-order="-1">&mdash;</td>
+						{{- else}}
+						<td data-order="{{.Size}}">{{.HumanSize}}</td>
+						{{- end}}
+						<td class="hideable"><time datetime="{{.HumanModTime "2006-01-02T15:04:05Z"}}">{{.HumanModTime "01/02/2006 03:04:05 PM -07:00"}}</time></td>
+					</tr>
+					{{- end}}
+					</tbody>
+				</table>
+			</div>
+		</main>
+		<footer>
+			Served with <a rel="noopener noreferrer" href="https://caddyserver.com">Caddy</a>
+		</footer>
+		<script>
+			var filterEl = document.getElementById('filter');
+			filterEl.focus();
+
+			function filter() {
+				var q = filterEl.value.trim().toLowerCase();
+				var elems = document.querySelectorAll('tr.file');
+				elems.forEach(function(el) {
+					if (!q) {
+						el.style.display = '';
+						return;
+					}
+					var nameEl = el.querySelector('.name');
+					var nameVal = nameEl.textContent.trim().toLowerCase();
+					if (nameVal.indexOf(q) !== -1) {
+						el.style.display = '';
+					} else {
+						el.style.display = 'none';
+					}
+				});
+			}
+
+			function localizeDatetime(e, index, ar) {
+				if (e.textContent === undefined) {
+					return;
+				}
+				var d = new Date(e.getAttribute('datetime'));
+				if (isNaN(d)) {
+					d = new Date(e.textContent);
+					if (isNaN(d)) {
+						return;
+					}
+				}
+				e.textContent = d.toLocaleString([], {day: "2-digit", month: "2-digit", year: "numeric", hour: "2-digit", minute: "2-digit", second: "2-digit"});
+			}
+			var timeList = Array.prototype.slice.call(document.getElementsByTagName("time"));
+			timeList.forEach(localizeDatetime);
+		</script>
+	</body>
+</html>`
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/setup_test.go
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/setup_test.go
@@ -0,0 +1,95 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package browse
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strconv"
+	"testing"
+	"time"
+
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func TestSetup(t *testing.T) {
+	tempDirPath := os.TempDir()
+	_, err := os.Stat(tempDirPath)
+	if err != nil {
+		t.Fatalf("BeforeTest: Failed to find an existing directory for testing! Error was: %v", err)
+	}
+	nonExistentDirPath := filepath.Join(tempDirPath, strconv.Itoa(int(time.Now().UnixNano())))
+
+	tempTemplate, err := ioutil.TempFile(".", "tempTemplate")
+	if err != nil {
+		t.Fatalf("BeforeTest: Failed to create a temporary file in the working directory! Error was: %v", err)
+	}
+	defer os.Remove(tempTemplate.Name())
+
+	tempTemplatePath := filepath.Join(".", tempTemplate.Name())
+
+	for i, test := range []struct {
+		input             string
+		expectedPathScope []string
+		shouldErr         bool
+	}{
+		// test case #0 tests handling of multiple pathscopes
+		{"browse " + tempDirPath + "\n browse .", []string{tempDirPath, "."}, false},
+
+		// test case #1 tests instantiation of Config with default values
+		{"browse /", []string{"/"}, false},
+
+		// test case #2 tests detectaction of custom template
+		{"browse . " + tempTemplatePath, []string{"."}, false},
+
+		// test case #3 tests detection of non-existent template
+		{"browse . " + nonExistentDirPath, nil, true},
+
+		// test case #4 tests detection of duplicate pathscopes
+		{"browse " + tempDirPath + "\n browse " + tempDirPath, nil, true},
+	} {
+
+		c := caddy.NewTestController("http", test.input)
+		err := setup(c)
+		if err != nil && !test.shouldErr {
+			t.Errorf("Test case #%d received an error of %v", i, err)
+		}
+		if test.expectedPathScope == nil {
+			continue
+		}
+		mids := httpserver.GetConfig(c).Middleware()
+		mid := mids[len(mids)-1]
+		receivedConfigs := mid(nil).(Browse).Configs
+		for j, config := range receivedConfigs {
+			if config.PathScope != test.expectedPathScope[j] {
+				t.Errorf("Test case #%d expected a pathscope of %v, but got %v", i, test.expectedPathScope, config.PathScope)
+			}
+		}
+	}
+
+	// test case #6 tests startup with missing root directory in combination with default browse settings
+	controller := caddy.NewTestController("http", "browse")
+	cfg := httpserver.GetConfig(controller)
+
+	// Make sure non-existent root path doesn't return error
+	cfg.Root = nonExistentDirPath
+	err = setup(controller)
+
+	if err != nil {
+		t.Errorf("Test for non-existent browse path received an error, but shouldn't have: %v", err)
+	}
+}
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/header.html
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/header.html
@@ -0,0 +1 @@
+<h1>Header</h1>
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos.tpl
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos.tpl
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Template</title>
+</head>
+<body>
+{{.Include "header.html"}}
+<h1>{{.Path}}</h1>
+{{range .Items}}
+<a href="{{.URL}}">{{.Name}}</a><br>
+{{end}}
+</body>
+</html>
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/hidden.html
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/hidden.html
@@ -0,0 +1 @@
+Should be hidden
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test.html
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Test</title>
+</head>
+<body>
+</body>
+</html>
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test1/test.html
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test1/test.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Test</title>
+</head>
+<body>
+</body>
+</html>
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test2.html
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test2.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Test 2</title>
+</head>
+<body>
+</body>
+</html>
--- a/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test3.html
+++ b/vendor/github.com/mholt/caddy/caddyhttp/browse/testdata/photos/test3.html
@@ -0,0 +1,3 @@
+<!DOCTYPE html>
+<html>
+</html>