Delphi DLL Dropbox: Dropbox Copy a File or Folder

Back to Index

Copy a file or folder to a different location in the user's Dropbox. If the source path is a folder all its contents will be copied.

Documentation: https://www.dropbox.com/developers/documentation/http/documentation#files-copy

CURL Command

curl -X POST https://api.dropboxapi.com/2/files/copy_v2 \
    --header "Authorization: Bearer DROPBOX-ACCESS-TOKEN" \
    --header "Content-Type: application/json" \
    --data "{\"from_path\": \"/ocean/starfish.jpg\",\"to_path\": \"/ocean/starfish2.jpg\",\"allow_shared_folder\": false,\"autorename\": false,\"allow_ownership_transfer\": false}"

Delphi DLL Example

var
rest: HCkRest;
success: Boolean;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jsonResponse: HCkJsonObject;
metadataTag: PWideChar;
metadataName: PWideChar;
metadataPath_lower: PWideChar;
metadataPath_display: PWideChar;
metadataId: PWideChar;
metadataClient_modified: PWideChar;
metadataServer_modified: PWideChar;
metadataRev: PWideChar;
metadataSize: Integer;
metadataContent_hash: PWideChar;

begin
rest := CkRest_Create();

//  URL: https://api.dropboxapi.com/2/files/copy_v2
bTls := True;
port := 443;
bAutoReconnect := True;
success := CkRest_Connect(rest,'api.dropboxapi.com',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

//  See the Online Tool for Generating JSON Creation Code
json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'from_path','/ocean/starfish.jpg');
CkJsonObject_UpdateString(json,'to_path','/ocean/starfish2.jpg');
CkJsonObject_UpdateBool(json,'allow_shared_folder',False);
CkJsonObject_UpdateBool(json,'autorename',False);
CkJsonObject_UpdateBool(json,'allow_ownership_transfer',False);

CkRest_AddHeader(rest,'Authorization','Bearer DROPBOX-ACCESS-TOKEN');
CkRest_AddHeader(rest,'Content-Type','application/json');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/2/files/copy_v2',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jsonResponse := CkJsonObject_Create();
CkJsonObject_LoadSb(jsonResponse,sbResponseBody);

//  See the Online Tool for Generating JSON Parse Code

metadataTag := CkJsonObject__stringOf(jsonResponse,'metadata.".tag"');
metadataName := CkJsonObject__stringOf(jsonResponse,'metadata.name');
metadataPath_lower := CkJsonObject__stringOf(jsonResponse,'metadata.path_lower');
metadataPath_display := CkJsonObject__stringOf(jsonResponse,'metadata.path_display');
metadataId := CkJsonObject__stringOf(jsonResponse,'metadata.id');
metadataClient_modified := CkJsonObject__stringOf(jsonResponse,'metadata.client_modified');
metadataServer_modified := CkJsonObject__stringOf(jsonResponse,'metadata.server_modified');
metadataRev := CkJsonObject__stringOf(jsonResponse,'metadata.rev');
metadataSize := CkJsonObject_IntOf(jsonResponse,'metadata.size');
metadataContent_hash := CkJsonObject__stringOf(jsonResponse,'metadata.content_hash');

CkRest_Dispose(rest);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jsonResponse);

Sample JSON Response Body

{
  "metadata": {
    ".tag": "file",
    "name": "starfish2.jpg",
    "path_lower": "/ocean/starfish2.jpg",
    "path_display": "/ocean/starfish2.jpg",
    "id": "id:JSXYsxHo1hAAAAAAAAAADg",
    "client_modified": "2018-10-22T22:38:18Z",
    "server_modified": "2018-10-22T22:40:38Z",
    "rev": "1c482db15f",
    "size": 6229,
    "content_hash": "9fa9d692d0762ee759c22dea993c7de0068f9ba2ca842e761a1636d3b0b3cbba"
  }
}