han2015
/
tank
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Finish the first version of propfind.

master
zicla 7 years ago
parent
0d5300abda
commit
50c025bd09
10 changed files with 438 additions and 28 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 267
      build/doc/webdav/PROPFIND.md
  2. 12
      rest/dav/file.go
  3. 2
      rest/dav/file_test.go
  4. 6
      rest/dav/lock.go
  5. 6
      rest/dav/prop.go
  6. 4
      rest/dav/webdav_test.go
  7. 4
      rest/dav_controller.go
  8. 99
      rest/dav_model.go
  9. 58
      rest/dav_service.go
  10. 8
      rest/matter_model.go

267
build/doc/webdav/PROPFIND.md
View File

@ -0,0 +1,267 @@
#### PROPFIND 列出目录情况
request method
```
PROPFIND
```
request header
```
Authorization=Basic YWRtaW46YWRtaW4=
Content-Type=text/xml
Accept-Encoding=gzip
Depth=infinity
```
request body
```
<?xml version="1.0" encoding="utf-8" ?>
<D:propfind xmlns:D="DAV:">
<D:prop>
<D:resourcetype />
<D:getcontentlength />
<D:creationdate />
<D:getlastmodified />
</D:prop>
</D:propfind>
```
response body
```
<?xml version="1.0" encoding="UTF-8"?>
<D:multistatus xmlns:D="DAV:">
<D:response>
<D:href>/api/dav/</D:href>
<D:propstat>
<D:prop>
<D:displayname>dav</D:displayname>
<D:getlastmodified>Tue, 16 Apr 2019 17:50:59 GMT</D:getlastmodified>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:resourcetype>
<D:collection xmlns:D="DAV:"/>
</D:resourcetype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/api/</D:href>
<D:propstat>
<D:prop>
<D:displayname>api</D:displayname>
<D:getlastmodified>Tue, 16 Apr 2019 17:51:03 GMT</D:getlastmodified>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:resourcetype>
<D:collection xmlns:D="DAV:"/>
</D:resourcetype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/api/dav/</D:href>
<D:propstat>
<D:prop>
<D:displayname>dav</D:displayname>
<D:getlastmodified>Tue, 16 Apr 2019 17:51:38 GMT</D:getlastmodified>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:resourcetype>
<D:collection xmlns:D="DAV:"/>
</D:resourcetype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/api/dav/body.txt</D:href>
<D:propstat>
<D:prop>
<D:displayname>body.txt</D:displayname>
<D:getlastmodified>Tue, 16 Apr 2019 17:51:38 GMT</D:getlastmodified>
<D:getcontenttype>text/plain; charset=utf-8</D:getcontenttype>
<D:getetag>"159605ccc1d0f3c410"</D:getetag>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:resourcetype></D:resourcetype>
<D:getcontentlength>16</D:getcontentlength>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/api/dav/cat.txt</D:href>
<D:propstat>
<D:prop>
<D:resourcetype></D:resourcetype>
<D:getcontentlength>24</D:getcontentlength>
<D:getlastmodified>Tue, 16 Apr 2019 17:51:19 GMT</D:getlastmodified>
<D:getcontenttype>text/plain; charset=utf-8</D:getcontenttype>
<D:getetag>"159605c862b0d64c18"</D:getetag>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:displayname>cat.txt</D:displayname>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/cat/</D:href>
<D:propstat>
<D:prop>
<D:getlastmodified>Sat, 13 Apr 2019 16:55:54 GMT</D:getlastmodified>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:displayname>cat</D:displayname>
<D:resourcetype>
<D:collection xmlns:D="DAV:"/>
</D:resourcetype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/cat/dog/</D:href>
<D:propstat>
<D:prop>
<D:getlastmodified>Sat, 13 Apr 2019 16:55:58 GMT</D:getlastmodified>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:displayname>dog</D:displayname>
<D:resourcetype>
<D:collection xmlns:D="DAV:"/>
</D:resourcetype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/cat/dog/pig/</D:href>
<D:propstat>
<D:prop>
<D:resourcetype>
<D:collection xmlns:D="DAV:"/>
</D:resourcetype>
<D:getlastmodified>Sat, 13 Apr 2019 16:56:08 GMT</D:getlastmodified>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:displayname>pig</D:displayname>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/cat/dog/pig/hi.txt</D:href>
<D:propstat>
<D:prop>
<D:getlastmodified>Sat, 13 Apr 2019 16:56:08 GMT</D:getlastmodified>
<D:getcontenttype>text/plain; charset=utf-8</D:getcontenttype>
<D:getetag>"15951707dc1116d87"</D:getetag>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
<D:displayname>hi.txt</D:displayname>
<D:resourcetype></D:resourcetype>
<D:getcontentlength>7</D:getcontentlength>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
<D:response>
<D:href>/api/dav/morning.txt</D:href>
<D:propstat>
<D:prop>
<D:resourcetype></D:resourcetype>
<D:getcontentlength>13</D:getcontentlength>
<D:displayname>morning.txt</D:displayname>
<D:getlastmodified>Sat, 13 Apr 2019 16:52:08 GMT</D:getlastmodified>
<D:getcontenttype>text/plain; charset=utf-8</D:getcontenttype>
<D:getetag>"159516cfe790beecd"</D:getetag>
<D:supportedlock>
<D:lockentry xmlns:D="DAV:">
<D:lockscope>
<D:exclusive/>
</D:lockscope>
<D:locktype>
<D:write/>
</D:locktype>
</D:lockentry>
</D:supportedlock>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
</D:multistatus>
```

12
rest/dav/file.go
View File

@ -17,9 +17,9 @@ import (
"time"
)
// slashClean is equivalent to but slightly more efficient than
// SlashClean is equivalent to but slightly more efficient than
// path.Clean("/" + name).
func slashClean(name string) string {
func SlashClean(name string) string {
if name == "" || name[0] != '/' {
name = "/" + name
}
@ -74,7 +74,7 @@ func (d Dir) resolve(name string) string {
if dir == "" {
dir = "."
}
return filepath.Join(dir, filepath.FromSlash(slashClean(name)))
return filepath.Join(dir, filepath.FromSlash(SlashClean(name)))
}
func (d Dir) Mkdir(ctx context.Context, name string, perm os.FileMode) error {
@ -166,7 +166,7 @@ type memFS struct {
// ends at that root node.
func (fs *memFS) walk(op, fullname string, f func(dir *memFSNode, frag string, final bool) error) error {
original := fullname
fullname = slashClean(fullname)
fullname = SlashClean(fullname)
// Strip any leading "/"s to make fullname a relative path, as the walk
// starts at fs.root.
@ -335,8 +335,8 @@ func (fs *memFS) Rename(ctx context.Context, oldName, newName string) error {
fs.mu.Lock()
defer fs.mu.Unlock()
oldName = slashClean(oldName)
newName = slashClean(newName)
oldName = SlashClean(oldName)
newName = SlashClean(newName)
if oldName == newName {
return nil
}

2
rest/dav/file_test.go
View File

@ -37,7 +37,7 @@ func TestSlashClean(t *testing.T) {
"a/b/c",
}
for _, tc := range testCases {
got := slashClean(tc)
got := SlashClean(tc)
want := path.Clean("/" + tc)
if got != want {
t.Errorf("tc=%q: got %q, want %q", tc, got, want)

6
rest/dav/lock.go
View File

@ -151,12 +151,12 @@ func (m *memLS) Confirm(now time.Time, name0, name1 string, conditions ...Condit
var n0, n1 *memLSNode
if name0 != "" {
if n0 = m.lookup(slashClean(name0), conditions...); n0 == nil {
if n0 = m.lookup(SlashClean(name0), conditions...); n0 == nil {
return nil, ErrConfirmationFailed
}
}
if name1 != "" {
if n1 = m.lookup(slashClean(name1), conditions...); n1 == nil {
if n1 = m.lookup(SlashClean(name1), conditions...); n1 == nil {
return nil, ErrConfirmationFailed
}
}
@ -233,7 +233,7 @@ func (m *memLS) Create(now time.Time, details LockDetails) (string, error) {
m.mu.Lock()
defer m.mu.Unlock()
m.collectExpiredNodes(now)
details.Root = slashClean(details.Root)
details.Root = SlashClean(details.Root)
if !m.canCreate(details.Root, details.ZeroDepth) {
return "", ErrLocked

6
rest/dav/prop.go
View File

@ -336,7 +336,7 @@ loop:
return []Propstat{pstat}, nil
}
func escapeXML(s string) string {
func EscapeXML(s string) string {
for i := 0; i < len(s); i++ {
// As an optimization, if s contains only ASCII letters, digits or a
// few special characters, the escaped value is s itself and we don't
@ -364,11 +364,11 @@ func findResourceType(ctx context.Context, fs FileSystem, ls LockSystem, name st
}
func findDisplayName(ctx context.Context, fs FileSystem, ls LockSystem, name string, fi os.FileInfo) (string, error) {
if slashClean(name) == "/" {
if SlashClean(name) == "/" {
// Hide the real name of a possibly prefixed root directory.
return "", nil
}
return escapeXML(fi.Name()), nil
return EscapeXML(fi.Name()), nil
}
func findContentLength(ctx context.Context, fs FileSystem, ls LockSystem, name string, fi os.FileInfo) (string, error) {

4
rest/dav/webdav_test.go
View File

@ -208,7 +208,7 @@ func TestEscapeXML(t *testing.T) {
// These test cases aren't exhaustive, and there is more than one way to
// escape e.g. a quot (as "&#34;" or "&quot;") or an apos. We presume that
// the encoding/xml package tests xml.EscapeText more thoroughly. This test
// here is just a sanity check for this package's escapeXML function, and
// here is just a sanity check for this package's EscapeXML function, and
// its attempt to provide a fast path (and avoid a bytes.Buffer allocation)
// when escaping filenames is obviously a no-op.
testCases := map[string]string{
@ -236,7 +236,7 @@ func TestEscapeXML(t *testing.T) {
}
for in, want := range testCases {
if got := escapeXML(in); got != want {
if got := EscapeXML(in); got != want {
t.Errorf("in=%q: got %q, want %q", in, got, want)
}
}

4
rest/dav_controller.go
View File

@ -1,6 +1,7 @@
package rest
import (
"fmt"
"net/http"
"regexp"
"tank/rest/dav"
@ -80,7 +81,8 @@ func (this *DavController) HandleRoutes(writer http.ResponseWriter, request *htt
path := request.URL.Path
//匹配 /api/dav{subPath}
reg := regexp.MustCompile(`^/api/dav(.*)$`)
pattern := fmt.Sprintf(`^%s(.*)$`, WEBDAV_PREFFIX)
reg := regexp.MustCompile(pattern)
strs := reg.FindStringSubmatch(path)
if len(strs) == 2 {
var f = func(writer http.ResponseWriter, request *http.Request) {

99
rest/dav_model.go
View File

@ -1,3 +1,102 @@
package rest
import (
"encoding/xml"
"fmt"
"net/http"
"strconv"
"tank/rest/dav"
)
//访问前缀，这个是特殊入口
var WEBDAV_PREFFIX = "/api/dav"
//动态的文件属性
type LiveProp struct {
findFn func(matter *Matter) string
dir bool
}
//所有的动态属性定义及其值的获取方式
var LivePropMap = map[xml.Name]LiveProp{
{Space: "DAV:", Local: "resourcetype"}: {
findFn: func(matter *Matter) string {
if matter.Dir {
return `<D:collection xmlns:D="DAV:"/>`
} else {
return ""
}
},
dir: true,
},
{Space: "DAV:", Local: "displayname"}: {
findFn: func(matter *Matter) string {
if dav.SlashClean(matter.Name) == "/" {
return ""
} else {
return dav.EscapeXML(matter.Name)
}
},
dir: true,
},
{Space: "DAV:", Local: "getcontentlength"}: {
findFn: func(matter *Matter) string {
return strconv.FormatInt(matter.Size, 10)
},
dir: false,
},
{Space: "DAV:", Local: "getlastmodified"}: {
findFn: func(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(matter *Matter) string {
if matter.Dir {
return ""
} else {
return dav.EscapeXML(matter.Name)
}
},
dir: false,
},
{Space: "DAV:", Local: "getetag"}: {
findFn: func(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(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,
},
}

58
rest/dav_service.go
View File

@ -58,6 +58,48 @@ func (this *DavService) PropNames(matter *Matter) []xml.Name {
}
//从一个matter中获取其 []dav.Propstat
func (this *DavService) Propstats(matter *Matter, propfind dav.Propfind) []dav.Propstat {
propstats := make([]dav.Propstat, 0)
if propfind.Propname != nil {
this.PanicBadRequest("propfind.Propname != nil 尚未处理")
} else if propfind.Allprop != nil {
this.PanicBadRequest("propfind.Allprop != nil 尚未处理")
} else {
var properties []dav.Property
for _, prop := range propfind.Prop {
//TODO: deadprops尚未考虑
// Otherwise, it must either be a live property or we don't know it.
if liveProp := LivePropMap[prop]; liveProp.findFn != nil && (liveProp.dir || !matter.Dir) {
innerXML := liveProp.findFn(matter)
properties = append(properties, dav.Property{
XMLName: prop,
InnerXML: []byte(innerXML),
})
} else {
//TODO: 某一项请求的prop没有对应的结果
}
}
if len(properties) == 0 {
this.PanicBadRequest("请求的属性项无法解析！")
}
okPropstat := dav.Propstat{Status: http.StatusOK, Props: properties}
propstats = append(propstats, okPropstat)
}
return propstats
}
//处理 方法
func (this *DavService) HandlePropfind(writer http.ResponseWriter, request *http.Request, subPath string) {
@ -84,19 +126,11 @@ func (this *DavService) HandlePropfind(writer http.ResponseWriter, request *http
for _, matter := range matters {
fmt.Printf("开始分析 %s\n", matter.Name)
var propstats []dav.Propstat
var props = make([]dav.Property, 0)
props = append(props, dav.Property{
XMLName: xml.Name{Space: "DAV:"},
})
propstats = append(propstats, dav.Propstat{
Props: props,
ResponseDescription: "有点问题",
})
fmt.Printf("开始分析 %s\n", matter.Path)
response := this.makePropstatResponse("/eyeblue/ready/go", propstats)
propstats := this.Propstats(matter, propfind)
path := fmt.Sprintf("%s%s", WEBDAV_PREFFIX, matter.Path)
response := this.makePropstatResponse(path, propstats)
err = multiStatusWriter.Write(response)
this.PanicError(err)

8
rest/matter_model.go
View File

@ -29,11 +29,19 @@ func (Matter) TableName() string {
return TABLE_PREFIX + "matter"
}
// 获取该Matter的绝对路径。path代表的是相对路径。
func (this *Matter) AbsolutePath() string {
return GetUserFileRootDir(this.Username) + this.Path
}
// 获取该Matter的MimeType
func (this *Matter) MimeType() string {
return GetMimeType(GetExtension(this.Name))
}
//创建一个 ROOT 的matter，主要用于统一化处理移动复制等内容。
func NewRootMatter(user *User) *Matter {
matter := &Matter{}

Write Preview
Loading…
Cancel
Save