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eyebluecn
怎么设置所有文件为只读
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(space *Space, matter *Matter) string dir bool }
// all live prop map.
var LivePropMap = map[xml.Name]LiveProp{
{Space: "DAV:", Local: "resourcetype"}: {
findFn: func(space *Space, matter *Matter) string {
if matter.Dir {
return <D:collection xmlns:D="DAV:"/>
} else {
return ""
}
},
dir: true,
},
{Space: "DAV:", Local: "readonly"}: {
findFn: func(space *Space, matter *Matter) string {
return <readonly>"true"</readonly>
},
dir: false,
},
{Space: "DAV:", Local: "displayname"}: {
findFn: func(space *Space, matter *Matter) string {
if path.Clean("/"+matter.Name) == "/" {
return ""
} else {
return dav.EscapeXML(matter.Name)
}
},
dir: true,
},
{Space: "DAV:", Local: "getcontentlength"}: {
findFn: func(space *Space, matter *Matter) string {
return strconv.FormatInt(matter.Size, 10)
},
dir: false,
},
{Space: "DAV:", Local: "getlastmodified"}: {
findFn: func(space *Space, 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(space *Space, matter *Matter) string {
if matter.Dir {
return ""
} else {
return dav.EscapeXML(matter.Name)
}
},
dir: false,
},
{Space: "DAV:", Local: "getetag"}: {
findFn: func(space *Space, 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(space *Space, 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(space *Space, matter *Matter) string {
var size int64 = 0
if space.TotalSizeLimit >= 0 {
if space.TotalSizeLimit-space.TotalSize > 0 {
size = space.TotalSizeLimit - space.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(space *Space, matter *Matter) string {
return fmt.Sprintf(%d, space.TotalSize)
},
dir: true,
},
}
