prepare for complete rewrite

http.go

@@ -1,168 +0,0 @@
-package filemanager
-
-import (
-	"errors"
-	"net/http"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/mholt/caddy/caddyhttp/httpserver"
-)
-
-// ServeHTTP starts FileManager.
-func (c *FileManager) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
-	var (
-		fi   *fileInfo
-		user *User
-		code int
-		err  error
-	)
-	/* TODO: readd this
-	// Checks if the URL matches the Assets URL. Returns the asset if the
-	// method is GET and Status Forbidden otherwise.
-	if strings.HasPrefix(r.URL.Path, c.BaseURL+assets.BaseURL) {
-		if r.Method == http.MethodGet {
-			return assets.Serve(w, r, c)
-		}
-
-		return http.StatusForbidden, nil
-	} */
-
-	// Obtains the user.
-	username, _, _ := r.BasicAuth()
-	if _, ok := c.Users[username]; ok {
-		user = c.Users[username]
-	} else {
-		user = c.User
-	}
-
-	// Checks if the request URL is for the WebDav server
-	if httpserver.Path(r.URL.Path).Matches(c.WebDavURL) {
-		// Checks for user permissions relatively to this PATH
-		if !user.Allowed(strings.TrimPrefix(r.URL.Path, c.WebDavURL)) {
-			return http.StatusForbidden, nil
-		}
-
-		switch r.Method {
-		case "GET", "HEAD":
-			// Excerpt from RFC4918, section 9.4:
-			//
-			// 		GET, when applied to a collection, may return the contents of an
-			//		"index.html" resource, a human-readable view of the contents of
-			//		the collection, or something else altogether.
-			//
-			// It was decided on https://github.com/hacdias/caddy-filemanager/issues/85
-			// that GET, for collections, will return the same as PROPFIND method.
-			path := strings.Replace(r.URL.Path, c.WebDavURL, "", 1)
-			path = user.Scope + "/" + path
-			path = filepath.Clean(path)
-
-			var i os.FileInfo
-			i, err = os.Stat(path)
-			if err != nil {
-				// Is there any error? WebDav will handle it... no worries.
-				break
-			}
-
-			if i.IsDir() {
-				r.Method = "PROPFIND"
-
-				if r.Method == "HEAD" {
-					w = NewResponseWriterNoBody(w)
-				}
-			}
-		case "PROPPATCH", "MOVE", "PATCH", "PUT", "DELETE":
-			if !user.AllowEdit {
-				return http.StatusForbidden, nil
-			}
-		case "MKCOL", "COPY":
-			if !user.AllowNew {
-				return http.StatusForbidden, nil
-			}
-		}
-
-		// Preprocess the PUT request if it's the case
-		if r.Method == http.MethodPut {
-			if err = c.BeforeSave(r, c, user); err != nil {
-				return http.StatusInternalServerError, err
-			}
-
-			if c.preProccessPUT(w, r, user) != nil {
-				return http.StatusInternalServerError, err
-			}
-		}
-
-		c.Handler.ServeHTTP(w, r)
-		if err = c.AfterSave(r, c, user); err != nil {
-			return http.StatusInternalServerError, err
-		}
-
-		return 0, nil
-	}
-
-	w.Header().Set("x-frame-options", "SAMEORIGIN")
-	w.Header().Set("x-content-type", "nosniff")
-	w.Header().Set("x-xss-protection", "1; mode=block")
-
-	// Checks if the User is allowed to access this file
-	if !user.Allowed(strings.TrimPrefix(r.URL.Path, c.BaseURL)) {
-		if r.Method == http.MethodGet {
-			return printError(
-				w, http.StatusForbidden,
-				errors.New("You don't have permission to access this page"),
-			)
-		}
-
-		return http.StatusForbidden, nil
-	}
-
-	if r.URL.Query().Get("search") != "" {
-		return c.search(w, r, user)
-	}
-
-	if r.URL.Query().Get("command") != "" {
-		return c.command(w, r, user)
-	}
-
-	if r.Method == http.MethodGet {
-		// Gets the information of the directory/file
-		fi, err = getFileInfo(r.URL, c, user)
-		code = errorToHTTPCode(err, false)
-		if err != nil {
-			if r.Method == http.MethodGet {
-				return printError(w, code, err)
-			}
-			return code, err
-		}
-
-		// If it's a dir and the path doesn't end with a trailing slash,
-		// redirect the user.
-		if fi.IsDir && !strings.HasSuffix(r.URL.Path, "/") {
-			http.Redirect(w, r, c.PrefixURL+r.URL.Path+"/", http.StatusTemporaryRedirect)
-			return 0, nil
-		}
-
-		switch {
-		case r.URL.Query().Get("download") != "":
-			code, err = c.download(w, r, fi)
-		case r.URL.Query().Get("raw") == "true" && !fi.IsDir:
-			http.ServeFile(w, r, fi.Path)
-			code, err = 0, nil
-		case !fi.IsDir && r.URL.Query().Get("checksum") != "":
-			code, err = c.checksum(w, r, fi)
-		case fi.IsDir:
-			code, err = c.serveListing(w, r, user, fi)
-		default:
-			code, err = c.serveSingle(w, r, user, fi)
-		}
-
-		if err != nil {
-			code, err = printError(w, code, err)
-		}
-
-		return code, err
-	}
-
-	return http.StatusNotImplemented, nil
-}