Accessing BSP File Download using HTTPS URL

Question

Hi,
I'm struggling with a problem of downloading a file from a https url. I wrote a BSP App for downloading a file from a unix server.. It works fine when I use a http URL with port 8080 and does not work when I use https.!!
Example:
https://comms.gmsanet.co.za/supplier [ download does not work ]
http://comms.gmsanet.co.za:8080/supplier [ download works ]
When I try to download using https.. it does not pull the file name and path
see code  below and suggest me if anything to be chnaged.
In the Form Initialization method:
event handler fr data retrieval
DATA: i_file        type string,
      s_fields      TYPE tihttpnvp,
      s_fields_line TYPE ihttpnvp,
      multipart_form type ref to if_http_entity,
      file_upload    type xstring,
      lv_backend     type string,
      success        type string,
      entity         type ref to if_http_entity,
      file           type xstring,
      content_type   type string,
      content_filename type string,
      content_length type string,
      content_disposition type string,
      num_multiparts type i,
      i              type i value 1,
      doEcho         type string value 'X',
      value          type string,
      filename       type ZFILETAB-fileinfo,
      ext1           type string,
      ext2           type string,
      dsn            type string,
      bptype         like sy-uname,
      itab           TYPE ZFILETAB,
      itab_line      TYPE ZFILETABLINE,
      file_ext       type ZFILETABLINE,
      fileinfo       type c,
      zcount         type i.
    filename = '/NewMessge.doc'.
    content_filename = filename.
Check the extension and assign the content type
    split filename at '.' into ext1 ext2.
    case ext2.
      when 'zip'.
        content_type = 'application/x-zip-compressed'.
      when 'doc'.
        content_type = 'application/msword'.
      when 'txt'.
        content_type = 'text/plain'.
      when 'ppt' or 'pps'.
        content_type = 'application/vnd.ms-powerpoint'.
      when 'xls' or 'exe'.
        content_type = 'application/octet-stream'.
      when 'gif'.
        content_type = 'image/gif'.
      when 'jpg' or 'jpeg'.
        content_type = 'image/pjpeg'.
      when 'htm' or 'html'.
        content_type = 'text/html'.
    endcase.
    dsn = filename.
    OPEN DATASET dsn FOR INPUT IN BINARY MODE.
    IF sy-subrc NE 0.
      zmessage = 'Error opening file'.
      navigation->set_parameter( name = 'zmessage' value = zmessage ).
      navigation->goto_page( 'downloaderror.htm' ).
      exit.
    ENDIF.
    DO.
      READ DATASET dsn INTO <b>file</b>.
      EXIT.
    ENDDO.
    CLOSE DATASET dsn.
set response data to be the file content
  runtime->server->response->set_data( <b>file</b> ).
  runtime->server->response->set_header_field(
                                name  = 'Content-Type'
                                value = content_type ).
  concatenate 'attachment; filename=' filename into content_disposition.
  runtime->server->response->set_header_field(
                                name = 'Content-Disposition'
                                value = content_disposition ).
set the file size in the response
  content_length = xstrlen( file ).
  runtime->server->response->set_header_field(
                            name  = 'Content-Length'
                            value = content_length ).
  runtime->server->response->delete_header_field(
                            name = 'Cache-Control' ).
  runtime->server->response->delete_header_field(
                            name = 'Expires' ).
  navigation->response_complete( ).
Thanks
Ajay

Answer 1

Hi Brian,
I have the same problem as Ajay Yeluguri. In http mode I can generate a download of an Excel document but when we use the portal in https it doesn't work.
When I try to download using https it does not pull the file name and path and when I choose download I have a error message : "Internet Explorer cannot download from ..."
I've test the point 3.2 "... including file up/download" of the BSP application IT00 and it works fine in http and https mode. My problem is not the upload but the download. And in this application the uploaded document is opened in the Internet Explorer window but I want to generate a Save as... window to download the file.
Have you an idea what i can do to solve my problem.
Thanks
Yann