update.php

   1 <?php
   2         error_reporting(E_ERROR | E_WARNING | E_PARSE);
   3
   4         require_once "sessions.php";
   5
   6         require_once "sanity_check.php";
   7         require_once "functions.php";
   8         require_once "config.php";
   9         require_once "db.php";
  10
  11         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  12
  13         if (DB_TYPE == "pgsql") {
  14                 pg_query($link, "set client_encoding = 'utf-8'");
  15                 pg_set_client_encoding("UNICODE");
  16         }
  17
  18         login_sequence($link);
  19
  20         $owner_uid = $_SESSION["uid"];
  21
  22         if ($_SESSION["access_level"] < 10) {
  23                 print "<p>Error: your access level is insufficient to run this script.</p>";
  24                 exit;
  25         }
  26
  27         define('SCHEMA_VERSION', 13);
  28
  29 ?>
  30
  31 <html>
  32 <head>
  33 <title>Database Updater</title>
  34 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  35 <link rel="stylesheet" type="text/css" href="utility.css">
  36 </head>
  37
  38 <body>
  39
  40 <script type='text/javascript'>
  41 function confirmOP() {
  42         return confirm("Update the database?");
  43 }
  44 </script>
  45
  46 <div class="floatingLogo"><img src="images/ttrss_logo.png"></div>
  47
  48 <h1>Database Updater</h1>
  49
  50 <?php
  51         function getline($fp, $delim) {
  52                 $result = "";
  53                 while(!feof($fp)) {
  54                         $tmp = fgetc($fp);
  55
  56                         if($tmp == $delim) {
  57                                 return $result;
  58                         }
  59                         $result .= $tmp;
  60                 }
  61                 return $result;
  62         }
  63
  64         $op = $_POST["op"];
  65
  66         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
  67         $version = db_fetch_result($result, 0, "schema_version");
  68
  69         $update_files = glob("schema/versions/".DB_TYPE."/*sql");
  70         $update_versions = array();
  71
  72         foreach ($update_files as $f) {
  73                 $m = array();
  74                 preg_match_all("/schema\/versions\/".DB_TYPE."\/(\d*)\.sql/", $f, $m,
  75                         PREG_PATTERN_ORDER);
  76
  77                 if ($m[1][0]) {
  78                         $update_versions[$m[1][0]] = $f;
  79                 }
  80         }
  81
  82         ksort($update_versions, SORT_NUMERIC);
  83
  84         $latest_version = max(array_keys($update_versions));
  85
  86         if ($version == $latest_version) {
  87                 print "<p>Tiny Tiny RSS database is up to date (version $version).</p>";
  88                 print "<form method=\"GET\" action=\"tt-rss.php\">
  89                         <input type=\"submit\" value=\"Return to Tiny Tiny RSS\">
  90                         </form>";
  91
  92                 return;
  93         }
  94
  95         if (!$op) {
  96                 print "<p class='warning'><b>Warning:</b> Please backup your database before proceeding.</p>";
  97
  98                 print "<p>Your Tiny Tiny RSS database needs update to the latest
  99                         version ($version &mdash;&gt; $latest_version).</p>";
 100
 101         /*              print "<p>Available incremental updates:";
 102
 103                 foreach (array_keys($update_versions) as $v) {
 104                         if ($v > $version) {
 105                                 print " <a href='$update_versions[$v]'>$v</a>";
 106                         }
 107                 } */
 108
 109                 print "</p>";
 110
 111                 print "<form method='POST'>
 112                         <input type='hidden' name='op' value='do'>
 113                         <input type='submit' onclick='return confirmOP()' value='Perform updates'>
 114                         </form>";
 115
 116         } else if ($op == "do") {
 117
 118                 print "<p>Performing updates (from version $version)...</p>";
 119
 120                 $num_updates = 0;
 121
 122                 foreach (array_keys($update_versions) as $v) {
 123                         if ($v == $version + 1) {
 124                                 print "<p>Updating to version $v...</p>";
 125                                 $fp = fopen($update_versions[$v], "r");
 126                                 if ($fp) {
 127                                         while (!feof($fp)) {
 128                                                 $query = trim(getline($fp, ";"));
 129                                                 if ($query != "") {
 130                                                         print "<p class='query'><b>QUERY:</b> $query</p>";
 131                                                         db_query($link, $query);
 132                                                 }
 133                                         }
 134                                 }
 135                                 fclose($fp);
 136
 137                                 print "<p>Checking version... ";
 138
 139                                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
 140                                 $version = db_fetch_result($result, 0, "schema_version");
 141
 142                                 if ($version == $v) {
 143                                         print "OK! ($version)";
 144                                 } else {
 145                                         print "<b>ERROR!</b>";
 146                                         return;
 147                                 }
 148
 149                                 $num_updates++;
 150                         }
 151                 }
 152
 153                 print "<p>Finished. Performed $num_updates updates up to schema
 154                         version $version.</p>";
 155
 156                 print "<form method=\"GET\" action=\"tt-rss.php\">
 157                         <input type=\"submit\" value=\"Return to Tiny Tiny RSS\">
 158                         </form>";
 159
 160         }
 161
 162 ?>
 163
 164 </body>
 165 </html>
 166