Remove third party rice boxes
Former-commit-id: b52f339d7a13e12d6e7d194a4e5ce4dabae7b61c [formerly 8ee8ebe7d1133b8ca7c46854a31a0a711b5579fc] [formerly 05100c5f169e072f21204537f4d8ddaf2f821377 [formerly 3c821a541373fc8e6b0323bb6abe5a0447931694]] Former-commit-id: e5d5c4ac1d7518d8032ace12bf5efe26d0502a6b [formerly ea15d87d509cc85d2865d9a249acd15975dfa43d] Former-commit-id: 08848510019b280a91a61156e88f5b914d4f8d88
This commit is contained in:
Henrique Dias
202
http.go
202
http.go
@@ -1,13 +1,38 @@
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package filemanager
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import (
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"errors"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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)
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// responseWriterNoBody is a wrapper used to suprress the body of the response
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// to a request. Mainly used for HEAD requests.
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type responseWriterNoBody struct {
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http.ResponseWriter
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}
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// newResponseWriterNoBody creates a new responseWriterNoBody.
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func newResponseWriterNoBody(w http.ResponseWriter) *responseWriterNoBody {
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return &responseWriterNoBody{w}
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}
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// Header executes the Header method from the http.ResponseWriter.
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func (w responseWriterNoBody) Header() http.Header {
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return w.ResponseWriter.Header()
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}
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// Write suprresses the body.
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func (w responseWriterNoBody) Write(data []byte) (int, error) {
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return 0, nil
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}
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// WriteHeader writes the header to the http.ResponseWriter.
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func (w responseWriterNoBody) WriteHeader(statusCode int) {
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w.ResponseWriter.WriteHeader(statusCode)
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}
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// matchURL checks if the first URL matches the second.
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func matchURL(first, second string) bool {
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first = strings.ToLower(first)
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second = strings.ToLower(second)
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@@ -15,167 +40,20 @@ func matchURL(first, second string) bool {
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return strings.HasPrefix(first, second)
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}
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// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
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func (m *FileManager) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
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var (
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u *User
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code int
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err error
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)
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// Checks if the URL matches the Assets URL. Returns the asset if the
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// method is GET and Status Forbidden otherwise.
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if matchURL(r.URL.Path, m.BaseURL+assetsURL) {
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if r.Method == http.MethodGet {
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return serveAssets(w, r, m)
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// errorToHTTP converts errors to HTTP Status Code.
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func errorToHTTP(err error, gone bool) int {
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switch {
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case os.IsPermission(err):
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return http.StatusForbidden
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case os.IsNotExist(err):
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if !gone {
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return http.StatusNotFound
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}
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return http.StatusForbidden, nil
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return http.StatusGone
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case os.IsExist(err):
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return http.StatusGone
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default:
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return http.StatusInternalServerError
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}
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username, _, _ := r.BasicAuth()
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if _, ok := m.Users[username]; ok {
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u = m.Users[username]
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} else {
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u = m.User
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}
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// Checks if the request URL is for the WebDav server
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if matchURL(r.URL.Path, m.WebDavURL) {
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return serveWebDAV(w, r, m, u)
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}
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w.Header().Set("x-frame-options", "SAMEORIGIN")
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w.Header().Set("x-content-type", "nosniff")
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w.Header().Set("x-xss-protection", "1; mode=block")
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// Checks if the User is allowed to access this file
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if !u.Allowed(strings.TrimPrefix(r.URL.Path, m.BaseURL)) {
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if r.Method == http.MethodGet {
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return htmlError(
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w, http.StatusForbidden,
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errors.New("You don't have permission to access this page"),
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)
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}
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return http.StatusForbidden, nil
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}
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if r.URL.Query().Get("search") != "" {
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return search(w, r, m, u)
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}
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if r.URL.Query().Get("command") != "" {
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return command(w, r, m, u)
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}
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if r.Method == http.MethodGet {
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var f *fileInfo
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// Obtains the information of the directory/file.
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f, err = getInfo(r.URL, m, u)
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if err != nil {
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if r.Method == http.MethodGet {
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return htmlError(w, code, err)
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}
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code = errorToHTTP(err, false)
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return code, err
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}
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// If it's a dir and the path doesn't end with a trailing slash,
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// redirect the user.
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if f.IsDir && !strings.HasSuffix(r.URL.Path, "/") {
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http.Redirect(w, r, m.PrefixURL+r.URL.Path+"/", http.StatusTemporaryRedirect)
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return 0, nil
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}
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switch {
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case r.URL.Query().Get("download") != "":
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code, err = download(w, r, f)
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case !f.IsDir && r.URL.Query().Get("checksum") != "":
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code, err = checksum(w, r, f)
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case r.URL.Query().Get("raw") == "true" && !f.IsDir:
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http.ServeFile(w, r, f.Path)
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code, err = 0, nil
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case f.IsDir:
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code, err = serveListing(w, r, m, u, f)
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default:
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code, err = serveSingle(w, r, m, u, f)
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}
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if err != nil {
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code, err = htmlError(w, code, err)
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}
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return code, err
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}
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return http.StatusNotImplemented, nil
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}
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// serveWebDAV handles the webDAV route of the File Manager.
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func serveWebDAV(w http.ResponseWriter, r *http.Request, m *FileManager, u *User) (int, error) {
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var err error
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// Checks for user permissions relatively to this path.
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if !u.Allowed(strings.TrimPrefix(r.URL.Path, m.WebDavURL)) {
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return http.StatusForbidden, nil
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}
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switch r.Method {
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case "GET", "HEAD":
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// Excerpt from RFC4918, section 9.4:
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//
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// GET, when applied to a collection, may return the contents of an
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// "index.html" resource, a human-readable view of the contents of
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// the collection, or something else altogether.
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//
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// It was decided on https://github.com/hacdias/caddy-filemanager/issues/85
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// that GET, for collections, will return the same as PROPFIND method.
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path := strings.Replace(r.URL.Path, m.WebDavURL, "", 1)
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path = u.scope + "/" + path
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path = filepath.Clean(path)
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var i os.FileInfo
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i, err = os.Stat(path)
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if err != nil {
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// Is there any error? WebDav will handle it... no worries.
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break
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}
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if i.IsDir() {
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r.Method = "PROPFIND"
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if r.Method == "HEAD" {
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w = newResponseWriterNoBody(w)
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}
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}
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case "PROPPATCH", "MOVE", "PATCH", "PUT", "DELETE":
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if !u.AllowEdit {
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return http.StatusForbidden, nil
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}
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case "MKCOL", "COPY":
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if !u.AllowNew {
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return http.StatusForbidden, nil
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}
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}
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// Preprocess the PUT request if it's the case
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if r.Method == http.MethodPut {
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if err = m.BeforeSave(r, m, u); err != nil {
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return http.StatusInternalServerError, err
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}
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if put(w, r, m, u) != nil {
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return http.StatusInternalServerError, err
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}
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}
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m.handler.ServeHTTP(w, r)
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if err = m.AfterSave(r, m, u); err != nil {
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return http.StatusInternalServerError, err
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}
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return 0, nil
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}
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