mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-06-01 16:22:43 +02:00
103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package weed_server
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import (
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"context"
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"net/http"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/storage/needle"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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// add or replace one file Seaweed- prefixed attributes
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// curl -X PUT -H "Seaweed-Name1: value1" http://localhost:8888/path/to/a/file?tagging
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func (fs *FilerServer) PutTaggingHandler(w http.ResponseWriter, r *http.Request) {
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ctx := context.Background()
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path := r.URL.Path
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if strings.HasSuffix(path, "/") {
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path = path[:len(path)-1]
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}
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existingEntry, err := fs.filer.FindEntry(ctx, util.FullPath(path))
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if err != nil {
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writeJsonError(w, r, http.StatusNotFound, err)
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return
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}
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if existingEntry == nil {
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writeJsonError(w, r, http.StatusNotFound, err)
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return
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}
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if existingEntry.Extended == nil {
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existingEntry.Extended = make(map[string][]byte)
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}
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for header, values := range r.Header {
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if strings.HasPrefix(header, needle.PairNamePrefix) {
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for _, value := range values {
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existingEntry.Extended[header] = []byte(value)
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}
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}
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}
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if dbErr := fs.filer.CreateEntry(ctx, existingEntry, false, false, nil); dbErr != nil {
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glog.V(0).Infof("failing to update %s tagging : %v", path, dbErr)
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writeJsonError(w, r, http.StatusInternalServerError, err)
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return
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}
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writeJsonQuiet(w, r, http.StatusAccepted, nil)
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return
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}
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// remove all Seaweed- prefixed attributes
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// curl -X DELETE http://localhost:8888/path/to/a/file?tagging
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func (fs *FilerServer) DeleteTaggingHandler(w http.ResponseWriter, r *http.Request) {
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ctx := context.Background()
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path := r.URL.Path
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if strings.HasSuffix(path, "/") {
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path = path[:len(path)-1]
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}
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existingEntry, err := fs.filer.FindEntry(ctx, util.FullPath(path))
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if err != nil {
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writeJsonError(w, r, http.StatusNotFound, err)
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return
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}
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if existingEntry == nil {
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writeJsonError(w, r, http.StatusNotFound, err)
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return
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}
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if existingEntry.Extended == nil {
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existingEntry.Extended = make(map[string][]byte)
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}
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hasDeletion := false
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for header, _ := range existingEntry.Extended {
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if strings.HasPrefix(header, needle.PairNamePrefix) {
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delete(existingEntry.Extended, header)
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hasDeletion = true
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}
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}
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if !hasDeletion {
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writeJsonQuiet(w, r, http.StatusNotModified, nil)
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return
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}
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if dbErr := fs.filer.CreateEntry(ctx, existingEntry, false, false, nil); dbErr != nil {
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glog.V(0).Infof("failing to delete %s tagging : %v", path, dbErr)
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writeJsonError(w, r, http.StatusInternalServerError, err)
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return
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}
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writeJsonQuiet(w, r, http.StatusAccepted, nil)
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return
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}
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