admin/backups.php

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU Affero General Public License,
   5         AGPL, as published by the Free Software Foundation, either version
   6         3 of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/agpl-3.0.html>.
  11 ***********************************************************************/
  12 $page_security = 15;
  13
  14 $path_to_root="..";
  15 include_once($path_to_root . "/includes/session.inc");
  16 include_once($path_to_root . "/includes/ui.inc");
  17 include_once($path_to_root . "/admin/db/maintenance_db.inc");
  18
  19 $valid_paths = valid_paths();
  20 //$valid_paths = '';
  21 if ($valid_paths != "")
  22 {
  23         page(_("Backup and Restore Database - Error"));
  24         display_error (_("Backup paths have not been set correctly.") ."&nbsp;&nbsp;&nbsp;" . _("Please contact System Administrator.") . "<br>" .$valid_paths);
  25         end_page();
  26         exit;
  27 }
  28
  29 $db_name = $_SESSION["wa_current_user"]->company;
  30 handle_form($db_connections[$db_name]);
  31
  32 page(_("Backup and Restore Database"), false, false, '', '', true);
  33
  34 //-------------------------------------------------------------------------------
  35 start_form(true, true);
  36
  37 $cmb = get_backup_file_combo();
  38 $compr = get_compr_combo();
  39
  40 echo "
  41         <script language='javascript'>
  42         function createBackup() {
  43                 ext = document.forms[0].cmb_comp.options[document.forms[0].cmb_comp.selectedIndex].value
  44                 comm = document.forms[0].comments.value
  45                 document.location.replace('backups.php?c=g&comp='+ext+'&comm='+comm)
  46         }
  47         function restoreBackup() {
  48                 pFilename = document.forms[0].cmb_backups.options[document.forms[0].cmb_backups.selectedIndex].value
  49                 document.location.replace('backups.php?c=r&fn='+pFilename)
  50         }
  51         function viewBackup() {
  52                 pFilename = document.forms[0].cmb_backups.options[document.forms[0].cmb_backups.selectedIndex].value
  53                 var ext = pFilename.substr(pFilename.lastIndexOf('.') + 1)
  54                 if (ext != 'sql') {
  55                         alert('" . _('This extension can not be be viewed: ') . "' + ext)
  56                         return
  57                 }
  58                 window.open('" . BACKUP_PATH . "'+pFilename, '', 'toolbar=no,scrollbars=yes')
  59         }
  60         function deleteBackup() {
  61                 pFilename = document.forms[0].cmb_backups.options[document.forms[0].cmb_backups.selectedIndex].value
  62                 if (!confirm('" . _("Are you sure you want to delete the backup file - ") . "'+pFilename+'?'))
  63                         return
  64                 document.location.replace('backups.php?c=df&fn='+pFilename)
  65         }
  66         function downloadBackup() {
  67                 pFilename = document.forms[0].cmb_backups.options[document.forms[0].cmb_backups.selectedIndex].value
  68                 document.location.replace('backups.php?c=ds&fn='+pFilename)
  69                 Behaviour.apply();
  70         }
  71         function uploadBackup() {
  72                 if (document.forms[0].uploadfile.value=='') {
  73                         alert('" . _("Please select a file to upload.") . "')
  74                         return
  75                 }
  76                 document.forms[0].action='backups.php?c=u&fn=' + document.forms[0].uploadfile.value
  77                 document.forms[0].submit()
  78         }
  79         </script>
  80         <center>
  81         <table cellpadding=2 cellspacing=2 border=0>
  82         <tr>
  83                 <td style='padding-right:30px'>" . _("Backup scripts") . "</td>
  84         </tr>
  85         <tr>
  86                 <td style='padding-right:30px'>$cmb</td>
  87                 <script language='javascript'>
  88                         if (document.forms[0].cmb_backups.options.length!=0) document.forms[0].cmb_backups.selectedIndex=0
  89                 </script>
  90                 <td>
  91                         <table height=160 cellpadding=0 cellspacing=0 border=0>
  92                         <tr><td><input onclick='javascript:createBackup()' type='button' style='width:150px' value='". _("Create Backup") . "'></td><td style='padding-left:20px'>" . _("Compression") . "&nbsp;&nbsp;$compr</td></tr>
  93                         <tr><td><input onclick='javascript:restoreBackup()' type='button' style='width:150px' value='". _("Restore Backup") . "'></td><td>&nbsp;</td></tr>
  94                         <tr><td><input onclick='javascript:viewBackup()' type='button' style='width:150px' value='". _("View Backup") . "'></td><td>&nbsp;</td></tr>
  95                         <tr><td><input onclick='javascript:deleteBackup()' type='button' style='width:150px' value='". _("Delete Backup") . "'></td><td>&nbsp;</td></tr>
  96                         <tr><td><input onclick='javascript:downloadBackup()' type='button' style='width:150px' value='". _("Download Backup") . "'></td><td>&nbsp;</td></tr>
  97                         <tr><td><input onclick='javascript:uploadBackup()' type='button' style='width:150px' value='". _("Upload Backup"). "'></td>
  98                                 <td style='padding-left:20px'><input name='uploadfile' type='file'></td>
  99                         </tr>
 100                         </table>
 101                 </td>
 102         </tr>
 103         <tr>
 104                 <td style='padding-right:30px'>" . _("Comments") . " (" . _("Create Backup") . ")</td>
 105         </tr>
 106         <tr>
 107                 <td style='padding-right:30px'><textarea rows=4 cols=30 name='comments'></textarea></td>
 108         </tr>
 109         </table></center>";
 110
 111 end_form();
 112
 113 //-------------------------------------------------------------------------------------------------
 114
 115 end_page();
 116
 117
 118 function handle_form($conn)
 119 {
 120 if(isset($_GET['c']))
 121         switch($_GET['c'])
 122         {
 123                 case 'g':       //Generate Only
 124                         $filename = generate_backup($conn, $_GET['comp'], $_GET['comm']);
 125                         header("Location: backups.php?c=gs&fn=" . urlencode($filename));
 126                         break;
 127
 128                 case 'gd':      //Generate and download
 129                         $filename = generate_backup($conn);
 130                         header("Location: backups.php?c=ds&fn=" . urlencode($filename));
 131                         break;
 132
 133                 case 'd':       //Download the file
 134                         download_file(BACKUP_PATH . $_GET['fn']);
 135                         exit;
 136
 137                 case 'df':      //Delete the file
 138                         $filename = $_GET['fn'];
 139                         @unlink(BACKUP_PATH . $filename);
 140                         header("Location: backups.php?c=dff&fn=" . urlencode($filename));
 141                         break;
 142
 143                 case 'dff':
 144                         $msg = _("File successfully deleted.")." ";
 145                         $msg .= _("Filename") . " = " . $_GET['fn'];
 146                         display_notification($msg);
 147                         break;
 148
 149                 case 'ds':      //Write JS script to open download window
 150                         $filename = urlencode($_GET['fn']);
 151                         display_notification(_("Backup is being downloaded..."));
 152
 153                         add_js_source("<script language='javascript'>
 154                         function download_file() {location.href ='backups.php?c=d&fn=$filename'};
 155                                 Behaviour.addLoadEvent(download_file);
 156                         </script>");
 157                         break;
 158
 159                 case 'gs':      //Print backup success message
 160                         $msg = _("Backup successfully generated."). ' ';
 161                         $msg .= _("Filename") . " = " . $_GET['fn'];
 162                         display_notification($msg);
 163                         break;
 164
 165                 case 'r':       //Restore backup
 166                         $filename=$_GET['fn'];
 167                         if( restore_backup(BACKUP_PATH . $filename, $conn) )
 168                                 header("Location: backups.php?c=rs&fn=" . urlencode($filename));
 169                         break;
 170
 171                 case 'rs':      //Print restore success message
 172                         display_notification(_("Restore backup completed."));
 173                         break;
 174
 175                 case 'u':
 176                         $filename = $_FILES['uploadfile']['tmp_name'];
 177                         if (is_uploaded_file ($filename))
 178                         {
 179                                 if( restore_backup($filename, $conn) )
 180                                         display_notification(_("Uploaded file has been restored."));
 181                                 else
 182                                         display_error(_("Database restore failed."));
 183                         }
 184                         else
 185                         {
 186                                 display_error(_("Backup was not uploaded into the system."));
 187                         }
 188                 }
 189 }
 190
 191 function generate_backup($conn, $ext='no', $comm='')
 192 {
 193         if ($conn['tbpref'] != "")
 194                 $filename = $conn['dbname'] . "_" . $conn['tbpref'] . date("Ymd_Hi") . ".sql";
 195         else
 196                 $filename = $conn['dbname'] . "_" . date("Ymd_Hi") . ".sql";
 197
 198         $filename = db_export($conn, $filename, $ext, $comm);
 199
 200         return $filename;
 201 }
 202
 203 function restore_backup($filename, $conn)
 204 {
 205         return db_import($filename, $conn);
 206 }
 207
 208 function get_backup_file_combo()
 209 {
 210         global $path_to_root;
 211         $ar_files = array();
 212     default_focus('cmb_backups');
 213     $dh = opendir(BACKUP_PATH);
 214         while (($file = readdir($dh)) !== false)
 215                 $ar_files[] = $file;
 216         closedir($dh);
 217
 218     rsort($ar_files);
 219         $opt_files = "";
 220     foreach ($ar_files as $file)
 221         if (strpos($file, ".sql") || strpos($file, ".sql"))
 222                 $opt_files .= "<option value='$file'>$file</option>";
 223
 224         return "<select name='cmb_backups' size=2 style='height:160px;width:230px'>$opt_files</select>";
 225 }
 226
 227 function get_compr_combo()
 228 {
 229         $ar_comps = array();
 230
 231         $ar_comps[] = _("No");
 232     if (function_exists("gzcompress"))
 233         $ar_comps[] = "zip";
 234     if (function_exists("gzopen"))
 235         $ar_comps[] = "gzip";
 236         $opt_comps = "";
 237     foreach ($ar_comps as $file)
 238         $opt_comps .= "<option value='$file'>$file</option>";
 239
 240         return "<select name='cmb_comp'>$opt_comps</select>";
 241 }
 242
 243 function download_file($filename)
 244 {
 245     if (empty($filename) || !file_exists($filename))
 246     {
 247         return false;
 248     }
 249     $saveasname = basename($filename);
 250     header('Content-type: application/octet-stream');
 251     header('Content-Length: '.filesize($filename));
 252     header('Content-Disposition: attachment; filename="'.$saveasname.'"');
 253     readfile($filename);
 254     return true;
 255 }
 256
 257 function valid_paths()
 258 {
 259         global $path_to_root;
 260
 261         $st = "";
 262         if (!file_exists(BACKUP_PATH))
 263                 $st .= "&nbsp;&nbsp;&nbsp;-&nbsp;" . _("cannot find backup directory") . " - " . BACKUP_PATH . "<br>";
 264         return $st;
 265 }
 266
 267 ?>