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moby--moby/api/server/copy.go
Mrunal Patel d626f77e36 Fix incorrect comment
Signed-off-by: Mrunal Patel <mrunalp@gmail.com>
2015-08-11 19:45:23 -04:00

115 lines
2.7 KiB
Go

package server
import (
"encoding/base64"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/version"
)
// postContainersCopy is deprecated in favor of getContainersArchive.
func (s *Server) postContainersCopy(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if vars == nil {
return fmt.Errorf("Missing parameter")
}
if err := checkForJSON(r); err != nil {
return err
}
cfg := types.CopyConfig{}
if err := json.NewDecoder(r.Body).Decode(&cfg); err != nil {
return err
}
if cfg.Resource == "" {
return fmt.Errorf("Path cannot be empty")
}
data, err := s.daemon.ContainerCopy(vars["name"], cfg.Resource)
if err != nil {
if strings.Contains(strings.ToLower(err.Error()), "no such id") {
w.WriteHeader(http.StatusNotFound)
return nil
}
if os.IsNotExist(err) {
return fmt.Errorf("Could not find the file %s in container %s", cfg.Resource, vars["name"])
}
return err
}
defer data.Close()
w.Header().Set("Content-Type", "application/x-tar")
if _, err := io.Copy(w, data); err != nil {
return err
}
return nil
}
// // Encode the stat to JSON, base64 encode, and place in a header.
func setContainerPathStatHeader(stat *types.ContainerPathStat, header http.Header) error {
statJSON, err := json.Marshal(stat)
if err != nil {
return err
}
header.Set(
"X-Docker-Container-Path-Stat",
base64.StdEncoding.EncodeToString(statJSON),
)
return nil
}
func (s *Server) headContainersArchive(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
v, err := archiveFormValues(r, vars)
if err != nil {
return err
}
stat, err := s.daemon.ContainerStatPath(v.name, v.path)
if err != nil {
return err
}
return setContainerPathStatHeader(stat, w.Header())
}
func (s *Server) getContainersArchive(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
v, err := archiveFormValues(r, vars)
if err != nil {
return err
}
tarArchive, stat, err := s.daemon.ContainerArchivePath(v.name, v.path)
if err != nil {
return err
}
defer tarArchive.Close()
if err := setContainerPathStatHeader(stat, w.Header()); err != nil {
return err
}
w.Header().Set("Content-Type", "application/x-tar")
_, err = io.Copy(w, tarArchive)
return err
}
func (s *Server) putContainersArchive(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
v, err := archiveFormValues(r, vars)
if err != nil {
return err
}
noOverwriteDirNonDir := boolValue(r, "noOverwriteDirNonDir")
return s.daemon.ContainerExtractToDir(v.name, v.path, noOverwriteDirNonDir, r.Body)
}