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1 | <?php | |
2 | /* | |
3 | * WARNING! | |
4 | * | |
5 | * If you modify this file, you are ON YOUR OWN! | |
6 | * | |
7 | * Believe it or not, all of the checks below are required to succeed for | |
8 | * tt-rss to actually function properly. | |
9 | * | |
10 | * If you think you have a better idea about what is or isn't required, feel | |
11 | * free to modify the file, note though that you are therefore automatically | |
12 | * disqualified from any further support by official channels, e.g. tt-rss.org | |
13 | * issue tracker or the forums. | |
14 | * | |
15 | * If you come crying when stuff inevitably breaks, you will be mocked and told | |
16 | * to get out. */ | |
17 | ||
18 | function make_self_url_path() { | |
19 | $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH); | |
20 | ||
21 | return $url_path; | |
22 | } | |
23 | ||
24 | function initial_sanity_check() { | |
25 | ||
26 | $errors = array(); | |
27 | ||
28 | if (!file_exists("config.php")) { | |
29 | array_push($errors, "Configuration file not found. Looks like you forgot to copy config.php-dist to config.php and edit it."); | |
30 | } else { | |
31 | ||
32 | require_once "sanity_config.php"; | |
33 | ||
34 | if (file_exists("install") && !file_exists("config.php")) { | |
35 | array_push($errors, "Please copy config.php-dist to config.php or run the installer in install/"); | |
36 | } | |
37 | ||
38 | if (strpos(PLUGINS, "auth_") === FALSE) { | |
39 | array_push($errors, "Please enable at least one authentication module via PLUGINS constant in config.php"); | |
40 | } | |
41 | ||
42 | if (function_exists('posix_getuid') && posix_getuid() == 0) { | |
43 | array_push($errors, "Please don't run this script as root."); | |
44 | } | |
45 | ||
46 | if (version_compare(PHP_VERSION, '5.3.0', '<')) { | |
47 | array_push($errors, "PHP version 5.3.0 or newer required."); | |
48 | } | |
49 | ||
50 | if (CONFIG_VERSION != EXPECTED_CONFIG_VERSION) { | |
51 | array_push($errors, "Configuration file (config.php) has incorrect version. Update it with new options from config.php-dist and set CONFIG_VERSION to the correct value."); | |
52 | } | |
53 | ||
54 | if (!is_writable(CACHE_DIR . "/images")) { | |
55 | array_push($errors, "Image cache is not writable (chmod -R 777 ".CACHE_DIR."/images)"); | |
56 | } | |
57 | ||
58 | if (!is_writable(CACHE_DIR . "/upload")) { | |
59 | array_push($errors, "Upload cache is not writable (chmod -R 777 ".CACHE_DIR."/upload)"); | |
60 | } | |
61 | ||
62 | if (!is_writable(CACHE_DIR . "/export")) { | |
63 | array_push($errors, "Data export cache is not writable (chmod -R 777 ".CACHE_DIR."/export)"); | |
64 | } | |
65 | ||
66 | if (!is_writable(CACHE_DIR . "/js")) { | |
67 | array_push($errors, "Javascript cache is not writable (chmod -R 777 ".CACHE_DIR."/js)"); | |
68 | } | |
69 | ||
70 | if (strlen(FEED_CRYPT_KEY) > 0 && strlen(FEED_CRYPT_KEY) != 24) { | |
71 | array_push($errors, "FEED_CRYPT_KEY should be exactly 24 characters in length."); | |
72 | } | |
73 | ||
74 | if (strlen(FEED_CRYPT_KEY) > 0 && !function_exists("mcrypt_decrypt")) { | |
75 | array_push($errors, "FEED_CRYPT_KEY requires mcrypt functions which are not found."); | |
76 | } | |
77 | ||
78 | if (GENERATED_CONFIG_CHECK != EXPECTED_CONFIG_VERSION) { | |
79 | array_push($errors, | |
80 | "Configuration option checker sanity_config.php is outdated, please recreate it using ./utils/regen_config_checks.sh"); | |
81 | } | |
82 | ||
83 | foreach ($requred_defines as $d) { | |
84 | if (!defined($d)) { | |
85 | array_push($errors, | |
86 | "Required configuration file parameter $d is not defined in config.php. You might need to copy it from config.php-dist."); | |
87 | } | |
88 | } | |
89 | ||
90 | if (SINGLE_USER_MODE) { | |
91 | $result = db_query("SELECT id FROM ttrss_users WHERE id = 1"); | |
92 | ||
93 | if (db_num_rows($result) != 1) { | |
94 | array_push($errors, "SINGLE_USER_MODE is enabled in config.php but default admin account is not found."); | |
95 | } | |
96 | } | |
97 | ||
98 | if (SELF_URL_PATH == "http://example.org/tt-rss/") { | |
99 | $urlpath = preg_replace("/\w+\.php$/", "", make_self_url_path()); | |
100 | ||
101 | array_push($errors, | |
102 | "Please set SELF_URL_PATH to the correct value for your server (possible value: <b>$urlpath</b>)"); | |
103 | } | |
104 | ||
105 | if (!is_writable(ICONS_DIR)) { | |
106 | array_push($errors, "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".ICONS_DIR.").\n"); | |
107 | } | |
108 | ||
109 | if (!is_writable(LOCK_DIRECTORY)) { | |
110 | array_push($errors, "LOCK_DIRECTORY defined in config.php is not writable (chmod -R 777 ".LOCK_DIRECTORY.").\n"); | |
111 | } | |
112 | ||
113 | if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) { | |
114 | array_push($errors, "PHP configuration option allow_url_fopen is disabled, and CURL functions are not present. Either enable allow_url_fopen or install PHP extension for CURL."); | |
115 | } | |
116 | ||
117 | if (!function_exists("json_encode")) { | |
118 | array_push($errors, "PHP support for JSON is required, but was not found."); | |
119 | } | |
120 | ||
121 | if (DB_TYPE == "mysql" && !function_exists("mysql_connect") && !function_exists("mysqli_connect")) { | |
122 | array_push($errors, "PHP support for MySQL is required for configured DB_TYPE in config.php."); | |
123 | } | |
124 | ||
125 | if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) { | |
126 | array_push($errors, "PHP support for PostgreSQL is required for configured DB_TYPE in config.php"); | |
127 | } | |
128 | ||
129 | if (!function_exists("mb_strlen")) { | |
130 | array_push($errors, "PHP support for mbstring functions is required but was not found."); | |
131 | } | |
132 | ||
133 | if (!function_exists("hash")) { | |
134 | array_push($errors, "PHP support for hash() function is required but was not found."); | |
135 | } | |
136 | ||
137 | if (!function_exists("ctype_lower")) { | |
138 | array_push($errors, "PHP support for ctype functions are required by HTMLPurifier."); | |
139 | } | |
140 | ||
141 | /* if (ini_get("safe_mode")) { | |
142 | array_push($errors, "PHP safe mode setting is not supported."); | |
143 | } */ | |
144 | ||
145 | if ((PUBSUBHUBBUB_HUB || PUBSUBHUBBUB_ENABLED) && !function_exists("curl_init")) { | |
146 | array_push($errors, "PHP support for CURL is required for PubSubHubbub."); | |
147 | } | |
148 | ||
149 | if (!class_exists("DOMDocument")) { | |
150 | array_push($errors, "PHP support for DOMDocument is required, but was not found."); | |
151 | } | |
152 | } | |
153 | ||
154 | if (count($errors) > 0 && $_SERVER['REQUEST_URI']) { ?> | |
155 | <html> | |
156 | <head> | |
157 | <title>Startup failed</title> | |
158 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
159 | <link rel="stylesheet" type="text/css" href="css/utility.css"> | |
160 | </head> | |
161 | <body> | |
162 | <div class="floatingLogo"><img src="images/logo_small.png"></div> | |
163 | <div class="content"> | |
164 | ||
165 | <h1>Startup failed</h1> | |
166 | ||
167 | <p>Tiny Tiny RSS was unable to start properly. This usually means a misconfiguration or an incomplete upgrade. Please fix | |
168 | errors indicated by the following messages:</p> | |
169 | ||
170 | <?php foreach ($errors as $error) { echo format_error($error); } ?> | |
171 | ||
172 | <p>You might want to check tt-rss <a href="http://tt-rss.org/wiki">wiki</a> or the | |
173 | <a href="http://tt-rss.org/forum">forums</a> for more information. Please search the forums before creating new topic | |
174 | for your question.</p> | |
175 | ||
176 | </div> | |
177 | </body> | |
178 | </html> | |
179 | ||
180 | <?php | |
181 | die; | |
182 | } else if (count($errors) > 0) { | |
183 | echo "Tiny Tiny RSS was unable to start properly. This usually means a misconfiguration or an incomplete upgrade.\n"; | |
184 | echo "Please fix errors indicated by the following messages:\n\n"; | |
185 | ||
186 | foreach ($errors as $error) { | |
187 | echo " * $error\n"; | |
188 | } | |
189 | ||
190 | echo "\nYou might want to check tt-rss wiki or the forums for more information.\n"; | |
191 | echo "Please search the forums before creating new topic for your question.\n"; | |
192 | ||
193 | exit(-1); | |
194 | } | |
195 | } | |
196 | ||
197 | initial_sanity_check(); | |
198 | ||
199 | ?> |