func (h *handler) serveStatus(w http.ResponseWriter, r *http.Request) {
status := struct {
cacheStats
+ Version string
}{
cacheStats: h.Config.Cache.Stats(),
+ Version: version,
}
json.NewEncoder(w).Encode(status)
}
w.Header().Set("Access-Control-Expose-Headers", "Content-Range")
}
- arv := h.clientPool.Get()
- if arv == nil {
- statusCode, statusText = http.StatusInternalServerError, "Pool failed: "+h.clientPool.Err().Error()
- return
- }
- defer h.clientPool.Put(arv)
-
pathParts := strings.Split(r.URL.Path[1:], "/")
var stripParts int
- var targetID string
+ var collectionID string
var tokens []string
var reqTokens []string
var pathToken bool
var attachment bool
+ var useSiteFS bool
credentialsOK := h.Config.TrustAllContent
if r.Host != "" && r.Host == h.Config.AttachmentOnlyHost {
attachment = true
}
- if targetID = parseCollectionIDFromDNSName(r.Host); targetID != "" {
+ if collectionID = parseCollectionIDFromDNSName(r.Host); collectionID != "" {
// http://ID.collections.example/PATH...
credentialsOK = true
} else if r.URL.Path == "/status.json" {
h.serveStatus(w, r)
return
+ } else if r.URL.Path == "/" || (len(pathParts) >= 1 && pathParts[0] == "users") {
+ useSiteFS = true
} else if len(pathParts) >= 1 && strings.HasPrefix(pathParts[0], "c=") {
// /c=ID[/PATH...]
- targetID = parseCollectionIDFromURL(pathParts[0][2:])
+ collectionID = parseCollectionIDFromURL(pathParts[0][2:])
stripParts = 1
} else if len(pathParts) >= 2 && pathParts[0] == "collections" {
if len(pathParts) >= 4 && pathParts[1] == "download" {
// /collections/download/ID/TOKEN/PATH...
- targetID = parseCollectionIDFromURL(pathParts[2])
+ collectionID = parseCollectionIDFromURL(pathParts[2])
tokens = []string{pathParts[3]}
stripParts = 4
pathToken = true
} else {
// /collections/ID/PATH...
- targetID = parseCollectionIDFromURL(pathParts[1])
+ collectionID = parseCollectionIDFromURL(pathParts[1])
tokens = h.Config.AnonymousTokens
stripParts = 2
}
}
- if targetID == "" {
+ if collectionID == "" && !useSiteFS {
statusCode = http.StatusNotFound
return
}
+ forceReload := false
+ if cc := r.Header.Get("Cache-Control"); strings.Contains(cc, "no-cache") || strings.Contains(cc, "must-revalidate") {
+ forceReload = true
+ }
+
formToken := r.FormValue("api_token")
if formToken != "" && r.Header.Get("Origin") != "" && attachment && r.URL.Query().Get("api_token") == "" {
// The client provided an explicit token in the POST
tokens = append(reqTokens, h.Config.AnonymousTokens...)
}
+ if useSiteFS {
+ h.serveSiteFS(w, r, tokens)
+ return
+ }
+
if len(targetPath) > 0 && targetPath[0] == "_" {
// If a collection has a directory called "t=foo" or
// "_", it can be served at
stripParts++
}
- forceReload := false
- if cc := r.Header.Get("Cache-Control"); strings.Contains(cc, "no-cache") || strings.Contains(cc, "must-revalidate") {
- forceReload = true
+ arv := h.clientPool.Get()
+ if arv == nil {
+ statusCode, statusText = http.StatusInternalServerError, "Pool failed: "+h.clientPool.Err().Error()
+ return
}
+ defer h.clientPool.Put(arv)
var collection *arvados.Collection
tokenResult := make(map[string]int)
for _, arv.ApiToken = range tokens {
var err error
- collection, err = h.Config.Cache.Get(arv, targetID, forceReload)
+ collection, err = h.Config.Cache.Get(arv, collectionID, forceReload)
if err == nil {
// Success
break
AuthToken: arv.ApiToken,
Insecure: arv.ApiInsecure,
}
+
fs, err := collection.FileSystem(client, kc)
if err != nil {
statusCode, statusText = http.StatusInternalServerError, err.Error()
return
}
- targetIsPDH := arvadosclient.PDHMatch(targetID)
- if targetIsPDH && writeMethod[r.Method] {
+ writefs, writeOK := fs.(arvados.CollectionFileSystem)
+ targetIsPDH := arvadosclient.PDHMatch(collectionID)
+ if (targetIsPDH || !writeOK) && writeMethod[r.Method] {
statusCode, statusText = http.StatusMethodNotAllowed, errReadOnly.Error()
return
}
w = &updateOnSuccess{
ResponseWriter: w,
update: func() error {
- return h.Config.Cache.Update(client, *collection, fs)
+ return h.Config.Cache.Update(client, *collection, writefs)
}}
}
h := webdav.Handler{
Prefix: "/" + strings.Join(pathParts[:stripParts], "/"),
FileSystem: &webdavFS{
- collfs: fs,
- writing: writeMethod[r.Method],
+ collfs: fs,
+ writing: writeMethod[r.Method],
+ alwaysReadEOF: r.Method == "PROPFIND",
},
LockSystem: h.webdavLS,
Logger: func(_ *http.Request, err error) {
// "dirname/fnm".
h.seeOtherWithCookie(w, r, r.URL.Path+"/", credentialsOK)
} else if stat.IsDir() {
- h.serveDirectory(w, r, collection.Name, fs, openPath, stripParts)
+ h.serveDirectory(w, r, collection.Name, fs, openPath, true)
} else {
http.ServeContent(w, r, basename, stat.ModTime(), f)
if r.Header.Get("Range") == "" && int64(w.WroteBodyBytes()) != stat.Size() {
}
}
+func (h *handler) serveSiteFS(w http.ResponseWriter, r *http.Request, tokens []string) {
+ if len(tokens) == 0 {
+ w.Header().Add("WWW-Authenticate", "Basic realm=\"collections\"")
+ http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+ return
+ }
+ if writeMethod[r.Method] {
+ http.Error(w, errReadOnly.Error(), http.StatusMethodNotAllowed)
+ return
+ }
+ arv := h.clientPool.Get()
+ if arv == nil {
+ http.Error(w, "Pool failed: "+h.clientPool.Err().Error(), http.StatusInternalServerError)
+ return
+ }
+ defer h.clientPool.Put(arv)
+ arv.ApiToken = tokens[0]
+
+ kc, err := keepclient.MakeKeepClient(arv)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ client := &arvados.Client{
+ APIHost: arv.ApiServer,
+ AuthToken: arv.ApiToken,
+ Insecure: arv.ApiInsecure,
+ }
+ fs := client.SiteFileSystem(kc)
+ if f, err := fs.Open(r.URL.Path); os.IsNotExist(err) {
+ http.Error(w, err.Error(), http.StatusNotFound)
+ return
+ } else if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ } else if fi, err := f.Stat(); err == nil && fi.IsDir() && r.Method == "GET" {
+
+ h.serveDirectory(w, r, fi.Name(), fs, r.URL.Path, false)
+ return
+ } else {
+ f.Close()
+ }
+ wh := webdav.Handler{
+ Prefix: "/",
+ FileSystem: &webdavFS{
+ collfs: fs,
+ writing: writeMethod[r.Method],
+ alwaysReadEOF: r.Method == "PROPFIND",
+ },
+ LockSystem: h.webdavLS,
+ Logger: func(_ *http.Request, err error) {
+ if err != nil {
+ log.Printf("error from webdav handler: %q", err)
+ }
+ },
+ }
+ wh.ServeHTTP(w, r)
+}
+
var dirListingTemplate = `<!DOCTYPE HTML>
<HTML><HEAD>
<META name="robots" content="NOINDEX">
- <TITLE>{{ .Collection.Name }}</TITLE>
+ <TITLE>{{ .CollectionName }}</TITLE>
<STYLE type="text/css">
body {
margin: 1.5em;
</STYLE>
</HEAD>
<BODY>
+
<H1>{{ .CollectionName }}</H1>
<P>This collection of data files is being shared with you through
Arvados. You can download individual files listed below. To download
-the entire collection with wget, try:</P>
+the entire directory tree with wget, try:</P>
-<PRE>$ wget --mirror --no-parent --no-host --cut-dirs={{ .StripParts }} https://{{ .Request.Host }}{{ .Request.URL }}</PRE>
+<PRE>$ wget --mirror --no-parent --no-host --cut-dirs={{ .StripParts }} https://{{ .Request.Host }}{{ .Request.URL.Path }}</PRE>
<H2>File Listing</H2>
{{if .Files}}
<UL>
-{{range .Files}} <LI>{{.Size | printf "%15d " | nbsp}}<A href="{{.Name}}">{{.Name}}</A></LI>{{end}}
+{{range .Files}}
+{{if .IsDir }}
+ <LI>{{" " | printf "%15s " | nbsp}}<A href="{{.Name}}/">{{.Name}}/</A></LI>
+{{else}}
+ <LI>{{.Size | printf "%15d " | nbsp}}<A href="{{.Name}}">{{.Name}}</A></LI>
+{{end}}
+{{end}}
</UL>
{{else}}
<P>(No files; this collection is empty.)</P>
`
type fileListEnt struct {
- Name string
- Size int64
+ Name string
+ Size int64
+ IsDir bool
}
-func (h *handler) serveDirectory(w http.ResponseWriter, r *http.Request, collectionName string, fs http.FileSystem, base string, stripParts int) {
+func (h *handler) serveDirectory(w http.ResponseWriter, r *http.Request, collectionName string, fs http.FileSystem, base string, recurse bool) {
var files []fileListEnt
var walk func(string) error
if !strings.HasSuffix(base, "/") {
return err
}
for _, ent := range ents {
- if ent.IsDir() {
+ if recurse && ent.IsDir() {
err = walk(path + ent.Name() + "/")
if err != nil {
return err
}
} else {
files = append(files, fileListEnt{
- Name: path + ent.Name(),
- Size: ent.Size(),
+ Name: path + ent.Name(),
+ Size: ent.Size(),
+ IsDir: ent.IsDir(),
})
}
}
"CollectionName": collectionName,
"Files": files,
"Request": r,
- "StripParts": stripParts,
+ "StripParts": strings.Count(strings.TrimRight(r.URL.Path, "/"), "/"),
})
}