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108 lines
2.5 KiB
108 lines
2.5 KiB
package filer
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net/url"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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type ApiRequest struct {
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Command string //"listFiles", "listDirectories", "getFileSize"
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Directory string
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FileName string
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FileId string
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}
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type ListFilesResult struct {
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Files []FileEntry
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Error string `json:"error,omitempty"`
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}
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func ListFiles(server string, directory string, fileName string) (ret *ListFilesResult, err error) {
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ret = new(ListFilesResult)
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if err = call(server, ApiRequest{Command: "listFiles", Directory: directory, FileName: fileName}, ret); err == nil {
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if ret.Error != "" {
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return nil, errors.New(ret.Error)
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}
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return ret, nil
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}
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return nil, err
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}
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type GetFileSizeResult struct {
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Size uint64
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Error string `json:"error,omitempty"`
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}
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func GetFileSize(server string, fileId string) (ret *GetFileSizeResult, err error) {
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ret = new(GetFileSizeResult)
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if err = call(server, ApiRequest{Command: "getFileSize", FileId: fileId}, ret); err == nil {
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if ret.Error != "" {
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return nil, errors.New(ret.Error)
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}
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return ret, nil
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}
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return nil, err
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}
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type GetFileContentResult struct {
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Content []byte
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Error string `json:"error,omitempty"`
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}
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func GetFileContent(server string, fileId string) (ret *GetFileContentResult, err error) {
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ret = new(GetFileContentResult)
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if err = call(server, ApiRequest{Command: "getFileContent", FileId: fileId}, ret); err == nil {
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if ret.Error != "" {
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return nil, errors.New(ret.Error)
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}
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return ret, nil
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}
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return nil, err
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}
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type ListDirectoriesResult struct {
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Directories []DirectoryEntry
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Error string `json:"error,omitempty"`
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}
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func ListDirectories(server string, directory string) (ret *ListDirectoriesResult, err error) {
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ret = new(ListDirectoriesResult)
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if err := call(server, ApiRequest{Command: "listDirectories", Directory: directory}, ret); err == nil {
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if ret.Error != "" {
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return nil, errors.New(ret.Error)
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}
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return ret, nil
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}
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return nil, err
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}
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func DeleteDirectoryOrFile(server string, path string, isDir bool) error {
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destUrl := fmt.Sprintf("http://%s%s", server, path)
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if isDir {
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destUrl += "/?recursive=true"
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}
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return util.Delete(destUrl, "")
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}
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func call(server string, request ApiRequest, ret interface{}) error {
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b, err := json.Marshal(request)
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if err != nil {
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fmt.Println("error:", err)
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return nil
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}
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values := make(url.Values)
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values.Add("request", string(b))
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jsonBlob, err := util.Post("http://"+server+"/__api__", values)
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if err != nil {
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return err
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}
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err = json.Unmarshal(jsonBlob, ret)
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if err != nil {
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return err
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}
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return nil
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}
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