photoprism/internal/server/webdav.go
2021-05-01 10:25:34 +02:00

125 lines
3.6 KiB
Go

package server
import (
"io/ioutil"
"net/http"
"os"
"path/filepath"
"strings"
"github.com/photoprism/photoprism/pkg/fs"
"github.com/photoprism/photoprism/pkg/txt"
"github.com/gin-gonic/gin"
"github.com/photoprism/photoprism/internal/auto"
"github.com/photoprism/photoprism/internal/config"
"golang.org/x/net/webdav"
)
const WebDAVOriginals = "/originals"
const WebDAVImport = "/import"
// MarkUploadAsFavorite sets the favorite flag for newly uploaded files.
func MarkUploadAsFavorite(fileName string) {
yamlName := fs.AbsPrefix(fileName, false) + fs.YamlExt
// Abort if YAML file already exists to avoid overwriting metadata.
if fs.FileExists(yamlName) {
log.Warnf("webdav: %s already exists", txt.Quote(filepath.Base(yamlName)))
return
}
// Make sure directory exists.
if err := os.MkdirAll(filepath.Dir(yamlName), os.ModePerm); err != nil {
log.Errorf("webdav: %s", err.Error())
return
}
// Write YAML data to file.
if err := ioutil.WriteFile(yamlName, []byte("Favorite: true\n"), os.ModePerm); err != nil {
log.Errorf("webdav: %s", err.Error())
return
}
// Log success.
log.Infof("webdav: marked %s as favorite", txt.Quote(filepath.Base(fileName)))
}
// ANY /webdav/*
func WebDAV(path string, router *gin.RouterGroup, conf *config.Config) {
if router == nil {
log.Error("webdav: router is nil")
return
}
if conf == nil {
log.Error("webdav: conf is nil")
return
}
f := webdav.Dir(path)
srv := &webdav.Handler{
Prefix: router.BasePath(),
FileSystem: f,
LockSystem: webdav.NewMemLS(),
Logger: func(r *http.Request, err error) {
if err != nil {
switch r.Method {
case MethodPut, MethodPost, MethodPatch, MethodDelete, MethodCopy, MethodMove:
log.Errorf("webdav: %s in %s %s", txt.Quote(err.Error()), r.Method, r.URL)
case MethodPropfind:
log.Tracef("webdav: %s in %s %s", txt.Quote(err.Error()), r.Method, r.URL)
default:
log.Debugf("webdav: %s in %s %s", txt.Quote(err.Error()), r.Method, r.URL)
}
} else {
// Mark uploaded files as favorite if X-Favorite HTTP header is "1".
if r.Method == MethodPut && r.Header.Get("X-Favorite") == "1" {
if router.BasePath() == WebDAVOriginals {
MarkUploadAsFavorite(filepath.Join(conf.OriginalsPath(), strings.TrimPrefix(r.URL.Path, router.BasePath())))
} else if router.BasePath() == WebDAVImport {
MarkUploadAsFavorite(filepath.Join(conf.ImportPath(), strings.TrimPrefix(r.URL.Path, router.BasePath())))
}
}
switch r.Method {
case MethodPut, MethodPost, MethodPatch, MethodDelete, MethodCopy, MethodMove:
log.Infof("webdav: %s %s", r.Method, r.URL)
if router.BasePath() == WebDAVOriginals {
auto.ShouldIndex()
} else if router.BasePath() == WebDAVImport {
auto.ShouldImport()
}
default:
log.Tracef("webdav: %s %s", r.Method, r.URL)
}
}
},
}
handler := func(c *gin.Context) {
w := c.Writer
r := c.Request
srv.ServeHTTP(w, r)
}
router.Handle(MethodHead, "/*path", handler)
router.Handle(MethodGet, "/*path", handler)
router.Handle(MethodPut, "/*path", handler)
router.Handle(MethodPost, "/*path", handler)
router.Handle(MethodPatch, "/*path", handler)
router.Handle(MethodDelete, "/*path", handler)
router.Handle(MethodOptions, "/*path", handler)
router.Handle(MethodMkcol, "/*path", handler)
router.Handle(MethodCopy, "/*path", handler)
router.Handle(MethodMove, "/*path", handler)
router.Handle(MethodLock, "/*path", handler)
router.Handle(MethodUnlock, "/*path", handler)
router.Handle(MethodPropfind, "/*path", handler)
router.Handle(MethodProppatch, "/*path", handler)
}