1 local file_upload_session = param.get("file_upload_session")

2 file_upload_session = string.gsub(file_upload_session, "[^A-Za-z0-9]", "")

3

4 local file_id = param.get("file_id")

5 file_id = string.gsub(file_id, "[^A-Za-z0-9]", "")

6

7 local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. "-" .. file_id .. ".jpg")

8

9 if param.get("preview", atom.boolean) then

10 filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. "-" .. file_id .. ".preview.jpg")

11 end

12

13 local data

14

15 local fh = io.open(filename, "r")

16 if fh then

17 data = fh:read("*a")

18 end

19

20

21 slot.set_layout(nil, content_type)

22 slot.put_into("data", data)