include/sessions.php

   1 <?php
   2         // Original from http://www.daniweb.com/code/snippet43.html
   3
   4         require_once "config.php";
   5         require_once "db.php";
   6
   7         $session_expire = SESSION_EXPIRE_TIME; //seconds
   8         $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME;
   9
  10         if (@$_SERVER['HTTPS'] == "on") {
  11                 $session_name .= "_ssl";
  12                 ini_set("session.cookie_secure", true);
  13         }
  14
  15         ini_set("session.gc_probability", 50);
  16         ini_set("session.name", $session_name);
  17         ini_set("session.use_only_cookies", true);
  18         ini_set("session.gc_maxlifetime", SESSION_EXPIRE_TIME);
  19
  20         function ttrss_open ($s, $n) {
  21
  22                 global $session_connection;
  23
  24                 $session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  25
  26                 return true;
  27         }
  28
  29         function ttrss_read ($id){
  30
  31                 global $session_connection,$session_read;
  32
  33                 $query = "SELECT data FROM ttrss_sessions WHERE id='$id'";
  34
  35                 $res = db_query($session_connection, $query);
  36
  37                 if (db_num_rows($res) != 1) {
  38                         return "";
  39                 } else {
  40                         $session_read = db_fetch_assoc($res);
  41                         $session_read["data"] = base64_decode($session_read["data"]);
  42                         return $session_read["data"];
  43                 }
  44         }
  45
  46         function ttrss_write ($id, $data) {
  47
  48                 if (! $data) {
  49                         return false;
  50                 }
  51
  52                 global $session_connection, $session_read, $session_expire;
  53
  54                 $expire = time() + $session_expire;
  55
  56                 $data = db_escape_string($session_connection, base64_encode($data), false);
  57
  58                 if ($session_read) {
  59                         $query = "UPDATE ttrss_sessions SET data='$data',
  60                                         expire='$expire' WHERE id='$id'";
  61                 } else {
  62                         $query = "INSERT INTO ttrss_sessions (id, data, expire)
  63                                         VALUES ('$id', '$data', '$expire')";
  64                 }
  65
  66                 db_query($session_connection, $query);
  67                 return true;
  68         }
  69
  70         function ttrss_close () {
  71
  72                 global $session_connection;
  73
  74                 //db_close($session_connection);
  75
  76                 return true;
  77         }
  78
  79         function ttrss_destroy ($id) {
  80
  81                 global $session_connection;
  82
  83                 $query = "DELETE FROM ttrss_sessions WHERE id = '$id'";
  84
  85                 db_query($session_connection, $query);
  86
  87                 return true;
  88         }
  89
  90         function ttrss_gc ($expire) {
  91
  92                 global $session_connection;
  93
  94                 $query = "DELETE FROM ttrss_sessions WHERE expire < " . time();
  95
  96                 db_query($session_connection, $query);
  97         }
  98
  99         if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) {
 100                 session_set_save_handler("ttrss_open",
 101                         "ttrss_close", "ttrss_read", "ttrss_write",
 102                         "ttrss_destroy", "ttrss_gc");
 103         }
 104
 105         session_set_cookie_params(SESSION_COOKIE_LIFETIME);
 106
 107         if (!defined('TTRSS_SESSION_NAME') || TTRSS_SESSION_NAME != 'ttrss_api_sid') {
 108                 @session_start();
 109         }
 110 ?>