sanity_check.php 7.7 KB

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  1. <?php
  2. /* WARNING!
  3. *
  4. * If you modify this file, you are ON YOUR OWN!
  5. *
  6. * Believe it or not, all of the checks below are required to succeed for
  7. * tt-rss to actually function properly.
  8. *
  9. * If you think you have a better idea about what is or isn't required, feel
  10. * free to modify the file, note though that you are therefore automatically
  11. * disqualified from any further support by official channels, e.g. tt-rss.org
  12. * issue tracker or the forums.
  13. *
  14. * If you come crying when stuff inevitably breaks, you will be mocked and told
  15. * to get out. */
  16. function make_self_url_path() {
  17. $proto = is_server_https() ? 'https' : 'http';
  18. $url_path = $proto . '://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
  19. return $url_path;
  20. }
  21. /**
  22. * @SuppressWarnings(PHPMD.UnusedLocalVariable)
  23. */
  24. function initial_sanity_check() {
  25. $errors = array();
  26. if (!file_exists("config.php")) {
  27. array_push($errors, "Configuration file not found. Looks like you forgot to copy config.php-dist to config.php and edit it.");
  28. } else {
  29. require_once "sanity_config.php";
  30. if (file_exists("install") && !file_exists("config.php")) {
  31. array_push($errors, "Please copy config.php-dist to config.php or run the installer in install/");
  32. }
  33. if (strpos(PLUGINS, "auth_") === FALSE) {
  34. array_push($errors, "Please enable at least one authentication module via PLUGINS constant in config.php");
  35. }
  36. if (function_exists('posix_getuid') && posix_getuid() == 0) {
  37. array_push($errors, "Please don't run this script as root.");
  38. }
  39. if (version_compare(PHP_VERSION, '5.6.0', '<')) {
  40. array_push($errors, "PHP version 5.6.0 or newer required. You're using " . PHP_VERSION . ".");
  41. }
  42. if (CONFIG_VERSION != EXPECTED_CONFIG_VERSION) {
  43. array_push($errors, "Configuration file (config.php) has incorrect version. Update it with new options from config.php-dist and set CONFIG_VERSION to the correct value.");
  44. }
  45. if (!is_writable(CACHE_DIR . "/images")) {
  46. array_push($errors, "Image cache is not writable (chmod -R 777 ".CACHE_DIR."/images)");
  47. }
  48. if (!is_writable(CACHE_DIR . "/upload")) {
  49. array_push($errors, "Upload cache is not writable (chmod -R 777 ".CACHE_DIR."/upload)");
  50. }
  51. if (!is_writable(CACHE_DIR . "/export")) {
  52. array_push($errors, "Data export cache is not writable (chmod -R 777 ".CACHE_DIR."/export)");
  53. }
  54. if (GENERATED_CONFIG_CHECK != EXPECTED_CONFIG_VERSION) {
  55. array_push($errors,
  56. "Configuration option checker sanity_config.php is outdated, please recreate it using ./utils/regen_config_checks.sh");
  57. }
  58. foreach ($required_defines as $d) {
  59. if (!defined($d)) {
  60. array_push($errors,
  61. "Required configuration file parameter $d is not defined in config.php. You might need to copy it from config.php-dist.");
  62. }
  63. }
  64. if (SINGLE_USER_MODE && class_exists("PDO")) {
  65. $pdo = DB::pdo();
  66. $res = $pdo->query("SELECT id FROM ttrss_users WHERE id = 1");
  67. if (!$res->fetch()) {
  68. array_push($errors, "SINGLE_USER_MODE is enabled in config.php but default admin account is not found.");
  69. }
  70. }
  71. $ref_self_url_path = make_self_url_path();
  72. $ref_self_url_path = preg_replace("/\w+\.php$/", "", $ref_self_url_path);
  73. if (SELF_URL_PATH == "http://example.org/tt-rss/") {
  74. array_push($errors,
  75. "Please set SELF_URL_PATH to the correct value for your server (possible value: <b>$ref_self_url_path</b>)");
  76. }
  77. if (isset($_SERVER["HTTP_HOST"]) &&
  78. (!defined('_SKIP_SELF_URL_PATH_CHECKS') || !_SKIP_SELF_URL_PATH_CHECKS) &&
  79. SELF_URL_PATH != $ref_self_url_path && SELF_URL_PATH != mb_substr($ref_self_url_path, 0, mb_strlen($ref_self_url_path)-1)) {
  80. array_push($errors,
  81. "Please set SELF_URL_PATH to the correct value detected for your server: <b>$ref_self_url_path</b>");
  82. }
  83. if (!is_writable(ICONS_DIR)) {
  84. array_push($errors, "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".ICONS_DIR.").\n");
  85. }
  86. if (!is_writable(LOCK_DIRECTORY)) {
  87. array_push($errors, "LOCK_DIRECTORY defined in config.php is not writable (chmod -R 777 ".LOCK_DIRECTORY.").\n");
  88. }
  89. if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
  90. array_push($errors, "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.");
  91. }
  92. if (!function_exists("json_encode")) {
  93. array_push($errors, "PHP support for JSON is required, but was not found.");
  94. }
  95. if (DB_TYPE == "mysql" && !function_exists("mysqli_connect")) {
  96. array_push($errors, "PHP support for MySQL is required for configured DB_TYPE in config.php.");
  97. }
  98. if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
  99. array_push($errors, "PHP support for PostgreSQL is required for configured DB_TYPE in config.php");
  100. }
  101. if (!class_exists("PDO")) {
  102. array_push($errors, "PHP support for PDO is required but was not found.");
  103. }
  104. if (!function_exists("mb_strlen")) {
  105. array_push($errors, "PHP support for mbstring functions is required but was not found.");
  106. }
  107. if (!function_exists("hash")) {
  108. array_push($errors, "PHP support for hash() function is required but was not found.");
  109. }
  110. if (ini_get("safe_mode")) {
  111. array_push($errors, "PHP safe mode setting is obsolete and not supported by tt-rss.");
  112. }
  113. if (!function_exists("mime_content_type")) {
  114. array_push($errors, "PHP function mime_content_type() is missing, try enabling fileinfo module.");
  115. }
  116. if (!class_exists("DOMDocument")) {
  117. array_push($errors, "PHP support for DOMDocument is required, but was not found.");
  118. }
  119. if (DB_TYPE == "mysql") {
  120. $bad_tables = check_mysql_tables();
  121. if (count($bad_tables) > 0) {
  122. $bad_tables_fmt = [];
  123. foreach ($bad_tables as $bt) {
  124. array_push($bad_tables_fmt, sprintf("%s (%s)", $bt['table_name'], $bt['engine']));
  125. }
  126. $msg = "<p>The following tables use an unsupported MySQL engine: <b>" .
  127. implode(", ", $bad_tables_fmt) . "</b>.</p>";
  128. $msg .= "<p>The only supported engine on MySQL is InnoDB. MyISAM lacks functionality to run
  129. tt-rss.
  130. Please backup your data (via OPML) and re-import the schema before continuing.</p>
  131. <p><b>WARNING: importing the schema would mean LOSS OF ALL YOUR DATA.</b></p>";
  132. array_push($errors, $msg);
  133. }
  134. }
  135. }
  136. if (count($errors) > 0 && $_SERVER['REQUEST_URI']) { ?>
  137. <html>
  138. <head>
  139. <title>Startup failed</title>
  140. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  141. <link rel="stylesheet" type="text/css" href="css/default.css">
  142. </head>
  143. <body class='sanity_failed claro ttrss_utility'>
  144. <div class="content">
  145. <h1>Startup failed</h1>
  146. <p>Tiny Tiny RSS was unable to start properly. This usually means a misconfiguration or an incomplete upgrade. Please fix
  147. errors indicated by the following messages:</p>
  148. <?php foreach ($errors as $error) { echo format_error($error); } ?>
  149. <p>You might want to check tt-rss <a href="http://tt-rss.org/wiki">wiki</a> or the
  150. <a href="http://tt-rss.org/forum">forums</a> for more information. Please search the forums before creating new topic
  151. for your question.</p>
  152. </div>
  153. </body>
  154. </html>
  155. <?php
  156. die;
  157. } else if (count($errors) > 0) {
  158. echo "Tiny Tiny RSS was unable to start properly. This usually means a misconfiguration or an incomplete upgrade.\n";
  159. echo "Please fix errors indicated by the following messages:\n\n";
  160. foreach ($errors as $error) {
  161. echo " * $error\n";
  162. }
  163. echo "\nYou might want to check tt-rss wiki or the forums for more information.\n";
  164. echo "Please search the forums before creating new topic for your question.\n";
  165. exit(-1);
  166. }
  167. }
  168. initial_sanity_check();
  169. ?>