tank/code/rest/dav_model.go
2019-05-07 02:21:39 +08:00

127 lines
3.3 KiB
Go

package rest
import (
"fmt"
"github.com/eyebluecn/tank/code/tool/dav"
"github.com/eyebluecn/tank/code/tool/dav/xml"
"net/http"
"path"
"strconv"
)
//webdav url prefix.
var WEBDAV_PREFIX = "/api/dav"
//live prop.
type LiveProp struct {
findFn func(user *User, matter *Matter) string
dir bool
}
//all live prop map.
var LivePropMap = map[xml.Name]LiveProp{
{Space: "DAV:", Local: "resourcetype"}: {
findFn: func(user *User, matter *Matter) string {
if matter.Dir {
return `<D:collection xmlns:D="DAV:"/>`
} else {
return ""
}
},
dir: true,
},
{Space: "DAV:", Local: "displayname"}: {
findFn: func(user *User, matter *Matter) string {
if path.Clean("/"+matter.Name) == "/" {
return ""
} else {
return dav.EscapeXML(matter.Name)
}
},
dir: true,
},
{Space: "DAV:", Local: "getcontentlength"}: {
findFn: func(user *User, matter *Matter) string {
return strconv.FormatInt(matter.Size, 10)
},
dir: false,
},
{Space: "DAV:", Local: "getlastmodified"}: {
findFn: func(user *User, matter *Matter) string {
return matter.UpdateTime.UTC().Format(http.TimeFormat)
},
// http://webdav.org/specs/rfc4918.html#PROPERTY_getlastmodified
// suggests that getlastmodified should only apply to GETable
// resources, and this package does not support GET on directories.
//
// Nonetheless, some WebDAV clients expect child directories to be
// sortable by getlastmodified date, so this value is true, not false.
// See golang.org/issue/15334.
dir: true,
},
{Space: "DAV:", Local: "creationdate"}: {
findFn: nil,
dir: false,
},
{Space: "DAV:", Local: "getcontentlanguage"}: {
findFn: nil,
dir: false,
},
{Space: "DAV:", Local: "getcontenttype"}: {
findFn: func(user *User, matter *Matter) string {
if matter.Dir {
return ""
} else {
return dav.EscapeXML(matter.Name)
}
},
dir: false,
},
{Space: "DAV:", Local: "getetag"}: {
findFn: func(user *User, matter *Matter) string {
return fmt.Sprintf(`"%x%x"`, matter.UpdateTime.UnixNano(), matter.Size)
},
// findETag implements ETag as the concatenated hex values of a file's
// modification time and size. This is not a reliable synchronization
// mechanism for directories, so we do not advertise getetag for DAV
// collections.
dir: false,
},
// TODO: The lockdiscovery property requires LockSystem to list the
// active locks on a resource.
{Space: "DAV:", Local: "lockdiscovery"}: {},
{Space: "DAV:", Local: "supportedlock"}: {
findFn: func(user *User, matter *Matter) string {
return `` +
`<D:lockentry xmlns:D="DAV:">` +
`<D:lockscope><D:exclusive/></D:lockscope>` +
`<D:locktype><D:write/></D:locktype>` +
`</D:lockentry>`
},
dir: true,
},
{Space: "DAV:", Local: "quota-available-bytes"}: {
findFn: func(user *User, matter *Matter) string {
var size int64 = 0
if user.TotalSizeLimit >= 0 {
if user.TotalSizeLimit-user.TotalSize > 0 {
size = user.TotalSizeLimit - user.TotalSize
} else {
size = 0
}
} else {
// no limit, default 100G.
size = 100 * 1024 * 1024 * 1024
}
return fmt.Sprintf(`%d`, size)
},
dir: true,
},
{Space: "DAV:", Local: "quota-used-bytes"}: {
findFn: func(user *User, matter *Matter) string {
return fmt.Sprintf(`%d`, user.TotalSize)
},
dir: true,
},
}