include/sanity_check.php

   1 <?php
   2         require_once "functions.php";
   3
   4         if (!file_exists("config.php")) {
   5                 $err_msg = "Configuration file not found. Looks like you forgot to copy config.php-dist to config.php and edit it.";
   6         } else {
   7
   8                 define('EXPECTED_CONFIG_VERSION', 25);
   9                 define('SCHEMA_VERSION', 87);
  10
  11                 require_once "config.php";
  12                 require_once "sanity_config.php";
  13
  14                 if (CONFIG_VERSION != EXPECTED_CONFIG_VERSION) {
  15                         $err_msg = "Configuration file (config.php) has incorrect version. Update it with new options from config.php-dist and set CONFIG_VERSION to the correct value.";
  16                 }
  17
  18                 $purifier_cache_dir = CACHE_DIR . "/htmlpurifier";
  19
  20                 if (!is_writable($purifier_cache_dir)) {
  21                         $err_msg = "HTMLPurifier cache directory should be writable by anyone (chmod -R 777 $purifier_cache_dir)";
  22                 }
  23
  24                 if (GENERATED_CONFIG_CHECK != EXPECTED_CONFIG_VERSION) {
  25                         $err_msg = "Configuration option checker sanity_config.php is outdated, please recreate it using ./utils/regen_config_checks.sh";
  26                 }
  27
  28                 foreach ($requred_defines as $d) {
  29                         if (!defined($d)) {
  30                                 $err_msg = "Required configuration file parameter $d is not defined in config.php. You might need to copy it from config.php-dist.";
  31                         }
  32                 }
  33
  34                 if (SESSION_EXPIRE_TIME < 60) {
  35                         $err_msg = "SESSION_EXPIRE_TIME set in config.php is too low, please set it to an integer value >= 60";
  36                 }
  37
  38                 if (SESSION_EXPIRE_TIME < SESSION_COOKIE_LIFETIME) {
  39                         $err_msg = "SESSION_EXPIRE_TIME set in config.php should be >= to SESSION_COOKIE_LIFETIME";
  40                 }
  41
  42                 if (SINGLE_USER_MODE) {
  43                         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  44
  45                         if ($link) {
  46                                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE id = 1");
  47
  48                                 if (db_num_rows($result) != 1) {
  49                                         $err_msg = "SINGLE_USER_MODE is enabled in config.php but default admin account is not found.";
  50                                 }
  51                         }
  52                 }
  53
  54                 if (SELF_URL_PATH == "http://yourserver/tt-rss/") {
  55                         if ($_SERVER['HTTP_REFERER']) {
  56                                 $err_msg = "Please set SELF_URL_PATH to the correct value for your server (possible value: <b>" . $_SERVER['HTTP_REFERER'] . "</b>)";
  57                         } else {
  58                                 $err_msg = "Please set SELF_URL_PATH to the correct value for your server.";
  59                         }
  60                 }
  61
  62                 if (!is_writable(ICONS_DIR)) {
  63                         $err_msg = "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".ICONS_DIR.").\n";
  64                 }
  65
  66                 if (!is_writable(LOCK_DIRECTORY)) {
  67                         $err_msg = "LOCK_DIRECTORY defined in config.php is not writable (chmod -R 777 ".LOCK_DIRECTORY.").\n";
  68                 }
  69
  70                 if (ini_get("open_basedir")) {
  71                         $err_msg = "PHP configuration option open_basedir is not supported. Please disable this in PHP settings file (php.ini).";
  72                 }
  73
  74                 if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
  75                         $err_msg = "PHP configuration option allow_url_fopen is disabled, and CURL functions are not present. Either enable allow_url_fopen or install PHP extension for CURL.";
  76                 }
  77
  78                 if (!function_exists("json_encode")) {
  79                         $err_msg = "PHP support for JSON is required, but was not found.";
  80                 }
  81
  82                 if (DB_TYPE == "mysql" && !function_exists("mysql_connect")) {
  83                         $err_msg = "PHP support for MySQL is required for configured DB_TYPE in config.php.";
  84                 }
  85
  86                 if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
  87                         $err_msg = "PHP support for PostgreSQL is required for configured DB_TYPE in config.php";
  88                 }
  89
  90                 if (!function_exists("mb_strlen")) {
  91                         $err_msg = "PHP support for mbstring functions is required, but was not found.";
  92                 }
  93
  94                 if (!function_exists("ctype_lower")) {
  95                         $err_msg = "PHP support for ctype functions are required by HTMLPurifier.";
  96                 }
  97
  98                 if (ini_get("safe_mode")) {
  99                         $err_msg = "PHP safe mode setting is not supported.";
 100                 }
 101
 102                 if ((PUBSUBHUBBUB_HUB || PUBSUBHUBBUB_ENABLED) && !function_exists("curl_init")) {
 103                         $err_msg = "PHP support for CURL is required for PubSubHubbub.";
 104                 }
 105
 106                 if (!class_exists("DOMDocument")) {
 107                         $err_msg = "PHP support for DOMDocument is required, but was not found.";
 108                 }
 109         }
 110
 111         if ($err_msg) { ?>
 112                 <html>
 113                 <head>
 114                 <title>Fatal error</title>
 115                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 116                         <link rel="stylesheet" type="text/css" href="utility.css">
 117                 </head>
 118
 119         <div class="floatingLogo"><img src="images/logo_wide.png"></div>
 120
 121                 <h1>Fatal error</h1>
 122
 123                 <p>Tiny Tiny RSS was unable to initialize properly. This usually means a misconfiguration or an incomplete upgrade. Please fix
 124                 the error indicated by the following message:</p>
 125
 126                 <p>You might want to check tt-rss <a href="http://tt-rss.org/wiki">wiki</a> or the
 127                         <a href="http://tt-rss.org/forum">forums</a> for more information. Please search the forums before creating new topic
 128                         for your question.</p>
 129
 130                 <body>
 131                         <?php echo format_error($err_msg) ?>
 132                 </body>
 133                 </html>
 134
 135         <?php
 136                 die;
 137         }
 138
 139 ?>