[tt-rss.git] / include / sanity_check.php

<?php
	require_once "functions.php";

	if (!file_exists("config.php")) {
		$err_msg = "Configuration file not found. Looks like you forgot to copy config.php-dist to config.php and edit it.";
	} else {

		define('EXPECTED_CONFIG_VERSION', 24);
		define('SCHEMA_VERSION', 86);

		require_once "config.php";
		require_once "sanity_config.php";

		if (CONFIG_VERSION != EXPECTED_CONFIG_VERSION) {
			$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.";
		}

		$purifier_cache_dir = CACHE_DIR . "/htmlpurifier";

		if (!is_writable($purifier_cache_dir)) {
			$err_msg = "HTMLPurifier cache directory should be writable by anyone (chmod -R 777 $purifier_cache_dir)";
		}

		if (GENERATED_CONFIG_CHECK != EXPECTED_CONFIG_VERSION) {
			$err_msg = "Configuration option checker sanity_config.php is outdated, please recreate it using ./utils/regen_config_checks.sh";
		}

		foreach ($requred_defines as $d) {
			if (!defined($d)) {
				$err_msg = "Required configuration file parameter $d is not defined in config.php. You might need to copy it from config.php-dist.";
			}
		}

		if (SESSION_EXPIRE_TIME < 60) {
			$err_msg = "SESSION_EXPIRE_TIME set in config.php is too low, please set it to an integer value >= 60";
		}

		if (SESSION_EXPIRE_TIME < SESSION_COOKIE_LIFETIME) {
			$err_msg = "SESSION_EXPIRE_TIME set in config.php should be >= to SESSION_COOKIE_LIFETIME";
		}

		if (SINGLE_USER_MODE) {
			$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);

			if ($link) {
				$result = db_query($link, "SELECT id FROM ttrss_users WHERE id = 1");

				if (db_num_rows($result) != 1) {
					$err_msg = "SINGLE_USER_MODE is enabled in config.php but default admin account is not found.";
				}
			}
		}

		if (SELF_URL_PATH == "http://yourserver/tt-rss/") {
			if ($_SERVER['HTTP_REFERER']) {
				$err_msg = "Please set SELF_URL_PATH to the correct value for your server (possible value: <b>" . $_SERVER['HTTP_REFERER'] . "</b>)";
			} else {
				$err_msg = "Please set SELF_URL_PATH to the correct value for your server.";
			}
		}

		if (!is_writable(ICONS_DIR)) {
			$err_msg = "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".ICONS_DIR.").\n";
		}

		if (ini_get("open_basedir")) {
			$err_msg = "PHP configuration option open_basedir is not supported. Please disable this in PHP settings file (php.ini).";
		}

		if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
			$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.";
		}

		if (!function_exists("json_encode")) {
			$err_msg = "PHP support for JSON is required, but was not found.";
		}

		if (DB_TYPE == "mysql" && !function_exists("mysql_connect")) {
			$err_msg = "PHP support for MySQL is required for configured DB_TYPE in config.php.";
		}

		if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
			$err_msg = "PHP support for PostgreSQL is required for configured DB_TYPE in config.php";
		}

		if (!function_exists("mb_strlen")) {
			$err_msg = "PHP support for mbstring functions is required, but was not found.";
		}

		if (!function_exists("ctype_lower")) {
			$err_msg = "PHP support for ctype functions are required by HTMLPurifier.";
		}

		if (ini_get("safe_mode")) {
			$err_msg = "PHP safe mode setting is not supported.";
		}

		if ((PUBSUBHUBBUB_HUB || PUBSUBHUBBUB_ENABLED) && !function_exists("curl_init")) {
			$err_msg = "PHP support for CURL is required for PubSubHubbub.";
		}

		if (!class_exists("DOMDocument")) {
			$err_msg = "PHP support for DOMDocument is required, but was not found.";
		}
	}

	if ($err_msg) { ?>
		<html>
		<head>
		<title>Fatal error</title>
			<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
			<link rel="stylesheet" type="text/css" href="utility.css">
		</head>

	<div class="floatingLogo"><img src="images/logo_wide.png"></div>

		<h1>Fatal error</h1>

		<p>Tiny Tiny RSS was unable to initialize properly. This usually means a misconfiguration or an incomplete upgrade. Please fix
		the error indicated by the following message:</p>

		<p>You might want to check tt-rss <a href="http://tt-rss.org/wiki">wiki</a> or the
			<a href="http://tt-rss.org/forum">forums</a> for more information. Please search the forums before creating new topic
			for your question.</p>

		<body>
			<?php echo format_error($err_msg) ?>
		</body>
		</html>

	<?php
		die;
	}

?>
Commit	Line	Data
1d3a17c7	1	<?php
1025ad87 AD	2	require_once "functions.php";
1025ad87 AD	3
66581886	4	if (!file_exists("config.php")) {
09e8bdfd AD	5	$err_msg = "Configuration file not found. Looks like you forgot to copy config.php-dist to config.php and edit it.";
09e8bdfd AD	6	} else {
d8735fc8	7
09e8bdfd AD	8	define('EXPECTED_CONFIG_VERSION', 24);
09e8bdfd AD	9	define('SCHEMA_VERSION', 86);
d8735fc8	10
09e8bdfd AD	11	require_once "config.php";
09e8bdfd AD	12	require_once "sanity_config.php";
8fc26c41	13
09e8bdfd AD	14	if (CONFIG_VERSION != EXPECTED_CONFIG_VERSION) {
09e8bdfd AD	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.";
8fc26c41	16	}
c798704b	17
09e8bdfd	18	$purifier_cache_dir = CACHE_DIR . "/htmlpurifier";
ef8be8ea	19
09e8bdfd AD	20	if (!is_writable($purifier_cache_dir)) {
	21	$err_msg = "HTMLPurifier cache directory should be writable by anyone (chmod -R 777 $purifier_cache_dir)";
	22	}
ef8be8ea	23
09e8bdfd AD	24	if (GENERATED_CONFIG_CHECK != EXPECTED_CONFIG_VERSION) {
	25	$err_msg = "Configuration option checker sanity_config.php is outdated, please recreate it using ./utils/regen_config_checks.sh";
	26	}
ef8be8ea	27
09e8bdfd AD	28	foreach ($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	}
ef8be8ea	33
09e8bdfd AD	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	}
ef8be8ea	37
09e8bdfd AD	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	}
333f0b2a	41
09e8bdfd AD	42	if (SINGLE_USER_MODE) {
09e8bdfd AD	43	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
50e7dd7d	44
09e8bdfd AD	45	if ($link) {
09e8bdfd AD	46	$result = db_query($link, "SELECT id FROM ttrss_users WHERE id = 1");
50e7dd7d	47
09e8bdfd AD	48	if (db_num_rows($result) != 1) {
	49	$err_msg = "SINGLE_USER_MODE is enabled in config.php but default admin account is not found.";
	50	}
50e7dd7d AD	51	}
50e7dd7d AD	52	}
b03b2631	53
09e8bdfd AD	54	if (SELF_URL_PATH == "http://yourserver/tt-rss/") {
	55	if ($_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	}
17c0eeba	61
09e8bdfd AD	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	}
17c0eeba	65
09e8bdfd AD	66	if (ini_get("open_basedir")) {
	67	$err_msg = "PHP configuration option open_basedir is not supported. Please disable this in PHP settings file (php.ini).";
	68	}
78a5c296	69
09e8bdfd AD	70	if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
	71	$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.";
	72	}
78a5c296	73
09e8bdfd AD	74	if (!function_exists("json_encode")) {
	75	$err_msg = "PHP support for JSON is required, but was not found.";
	76	}
edfab7bd	77
09e8bdfd AD	78	if (DB_TYPE == "mysql" && !function_exists("mysql_connect")) {
	79	$err_msg = "PHP support for MySQL is required for configured DB_TYPE in config.php.";
	80	}
f6370f36	81
09e8bdfd AD	82	if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
	83	$err_msg = "PHP support for PostgreSQL is required for configured DB_TYPE in config.php";
	84	}
7bb8d39a	85
09e8bdfd AD	86	if (!function_exists("mb_strlen")) {
	87	$err_msg = "PHP support for mbstring functions is required, but was not found.";
	88	}
7bb8d39a	89
09e8bdfd AD	90	if (!function_exists("ctype_lower")) {
	91	$err_msg = "PHP support for ctype functions are required by HTMLPurifier.";
	92	}
7bb8d39a	93
09e8bdfd AD	94	if (ini_get("safe_mode")) {
	95	$err_msg = "PHP safe mode setting is not supported.";
	96	}
7bb8d39a	97
09e8bdfd AD	98	if ((PUBSUBHUBBUB_HUB \|\| PUBSUBHUBBUB_ENABLED) && !function_exists("curl_init")) {
	99	$err_msg = "PHP support for CURL is required for PubSubHubbub.";
	100	}
7bb8d39a	101
09e8bdfd AD	102	if (!class_exists("DOMDocument")) {
	103	$err_msg = "PHP support for DOMDocument is required, but was not found.";
	104	}
7bb8d39a AD	105	}
7bb8d39a AD	106
09e8bdfd AD	107	if ($err_msg) { ?>
	108	<html>
	109	<head>
	110	<title>Fatal error</title>
	111	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	112	<link rel="stylesheet" type="text/css" href="utility.css">
	113	</head>
f5b429ef	114
09e8bdfd	115	<div class="floatingLogo"><img src="images/logo_wide.png"></div>
7bb8d39a	116
09e8bdfd	117	<h1>Fatal error</h1>
e2bcd11b	118
09e8bdfd AD	119	<p>Tiny Tiny RSS was unable to initialize properly. This usually means a misconfiguration or an incomplete upgrade. Please fix
09e8bdfd AD	120	the error indicated by the following message:</p>
76a259c2	121
09e8bdfd AD	122	<p>You might want to check tt-rss <a href="http://tt-rss.org/wiki">wiki</a> or the
	123	<a href="http://tt-rss.org/forum">forums</a> for more information. Please search the forums before creating new topic
	124	for your question.</p>
e6a63a1c	125
09e8bdfd AD	126	<body>
	127	<?php echo format_error($err_msg) ?>
	128	</body>
	129	</html>
f56c6cd4	130
09e8bdfd AD	131	<?php
09e8bdfd AD	132	die;
ef8be8ea AD	133	}
ef8be8ea AD	134
66581886	135	?>