lib/functions.js

   1 /*
   2  *  Jirafeau, your web file repository
   3  *  Copyright (C) 2012  Jerome Jutteau <j.jutteau@gmail.com>
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU Affero General Public License as
   7  *  published by the Free Software Foundation, either version 3 of the
   8  *  License, or (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU Affero General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU Affero General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 function show_link (url, reference, delete_code, date)
  20 {
  21     var download_link = url + 'file.php?h=' + reference;
  22     var delete_link = download_link + '&amp;d=' + delete_code;
  23     var delete_link_href = download_link + '&d=' + delete_code;
  24     document.getElementById('upload_link').innerHTML = download_link;
  25     document.getElementById('upload_link').href = download_link;
  26     document.getElementById('delete_link').innerHTML = delete_link;
  27     document.getElementById('delete_link').href = delete_link_href;
  28     if (date)
  29     {
  30         document.getElementById('date').innerHTML = date;
  31         document.getElementById('validity').style.display = '';
  32     }
  33     else
  34         document.getElementById('validity').style.display = 'none';
  35
  36
  37     document.getElementById('uploading').style.display = 'none';
  38     document.getElementById('upload').style.display = 'none';
  39     document.getElementById('upload_finished').style.display = '';
  40 }
  41
  42 function upload_progress (e)
  43 {
  44     if (!e.lengthComputable)
  45         return;
  46     /* Show the user the operation do not reach 100%, the server need time
  47      * to give a response before providing the link.
  48      */
  49     var p = Math.round (e.loaded * 99 / e.total);
  50     document.getElementById('uploaded_percentage').innerHTML = p.toString() + '%';
  51 }
  52
  53 function upload_failed (e)
  54 {
  55     /* Todo: Considere showing a error div. */
  56     alert ('Sorry, upload failed');
  57 }
  58
  59 function upload (url, file, time, password, one_time)
  60 {
  61     var req = new XMLHttpRequest ();
  62     req.upload.addEventListener("progress", upload_progress, false);
  63     req.addEventListener("error", upload_failed, false);
  64     req.addEventListener("abort", upload_failed, false);
  65     req.onreadystatechange = function ()
  66     {
  67         if (req.readyState == 4 && req.status == 200)
  68         {
  69             var res = req.responseText;
  70             if (res == "Error")
  71                 return;
  72             res = res.split ("\n");
  73             if (time != 'none')
  74             {
  75                 var d = new Date();
  76                 if (time == 'minute')
  77                     d.setSeconds (d.getSeconds() + 60);
  78                 else if (time == 'hour')
  79                     d.setSeconds (d.getSeconds() + 3600);
  80                 else if (time == 'day')
  81                     d.setSeconds (d.getSeconds() + 86400);
  82                 else if (time == 'week')
  83                     d.setSeconds (d.getSeconds() + 604800);
  84                 else if (time == 'month')
  85                     d.setSeconds (d.getSeconds() + 2419200);
  86                 show_link (url, res[0], res[1], d.toString());
  87             }
  88             else
  89                 show_link (url, res[0], res[1]);
  90         }
  91     }
  92     req.open ("POST", url + 'script.php' , true);
  93
  94     var form = new FormData();
  95     form.append ("file", file);
  96     if (time)
  97         form.append ("time", time);
  98     if (password)
  99         form.append ("key", password);
 100     if (one_time)
 101         form.append ("one_time_download", '1');
 102     req.send (form);
 103 }
 104
 105 function start_upload (url)
 106 {
 107     upload (url,
 108             document.getElementById('file_select').files[0],
 109             document.getElementById('select_time').value,
 110             document.getElementById('input_key').value,
 111             document.getElementById('one_time_download').checked
 112             );
 113 }