406 lines
11 KiB
PHP
406 lines
11 KiB
PHP
<?php
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/**
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* File: common
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* Configures the Chyrp Lite environment.
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*/
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# Constant: DEBUG
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# Should Chyrp use debugging processes?
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define('DEBUG', file_exists(dirname(__FILE__).DIRECTORY_SEPARATOR."DEBUG"));
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# Constant: CHYRP_VERSION
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# Version number for this release.
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define('CHYRP_VERSION', "2024.02");
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# Constant: CHYRP_CODENAME
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# The codename for this version.
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define('CHYRP_CODENAME', "Miombo");
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# Constant: CHYRP_IDENTITY
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# The string identifying this version.
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define('CHYRP_IDENTITY', "Chyrp/".CHYRP_VERSION." (".CHYRP_CODENAME.")");
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# Constant: MAIN
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# Is <MainController> the route controller?
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if (!defined('MAIN'))
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define('MAIN', false);
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# Constant: ADMIN
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# Is <AdminController> the route controller?
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if (!defined('ADMIN'))
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define('ADMIN', false);
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# Constant: AJAX
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# Is <AjaxController> the route controller?
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if (!defined('AJAX'))
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define('AJAX', false);
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# Constant: UPGRADING
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# Is the user running the upgrader? (false)
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define('UPGRADING', false);
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# Constant: INSTALLING
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# Is the user running the installer? (false)
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define('INSTALLING', false);
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# Constant: COOKIE_LIFETIME
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# The lifetime of session cookies in seconds.
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define('COOKIE_LIFETIME', 2592000);
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# Constant: PASSWORD_RESET_TOKEN_LIFETIME
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# The lifetime of password reset tokens in seconds.
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define('PASSWORD_RESET_TOKEN_LIFETIME', 3600);
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# Constant: MAX_TIME_LIMIT
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# The maximum allowed execution time in seconds.
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define('MAX_TIME_LIMIT', 600);
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# Constant: MAX_MEMORY_LIMIT
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# The maximum amount of memory that can be allocated.
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define('MAX_MEMORY_LIMIT', "100M");
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# Constant: SQL_DATETIME_ZERO
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# The preferred SQL datetime "zero" value.
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define('SQL_DATETIME_ZERO', "1000-01-01 00:00:00");
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# Constant: SQL_DATETIME_ZERO_VARIANTS
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# An array of SQL datetime values corresponding to "zero".
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define('SQL_DATETIME_ZERO_VARIANTS',
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array(
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"0000-00-00 00:00:00",
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"0001-01-01 00:00:00",
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"1000-01-01 00:00:00"
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)
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);
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# Constant: BOT_UA
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# Are we being visited by a probable robot?
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define('BOT_UA',
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isset($_SERVER['HTTP_USER_AGENT']) and
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preg_match("/(bots?|crawler|slurp|spider)\b/i", $_SERVER['HTTP_USER_AGENT'])
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);
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# Constant: DIR
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# Native directory separator.
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define('DIR', DIRECTORY_SEPARATOR);
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# Constant: MAIN_DIR
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# Absolute path to the Chyrp root.
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define('MAIN_DIR', dirname(__FILE__, 2));
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# Constant: INCLUDES_DIR
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# Absolute path to /includes.
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define('INCLUDES_DIR', MAIN_DIR.DIR."includes");
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# Constant: CACHES_DIR
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# Absolute path to /includes/caches.
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define('CACHES_DIR', INCLUDES_DIR.DIR."caches");
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# Constant: MODULES_DIR
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# Absolute path to /modules.
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define('MODULES_DIR', MAIN_DIR.DIR."modules");
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# Constant: FEATHERS_DIR
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# Absolute path to /feathers.
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define('FEATHERS_DIR', MAIN_DIR.DIR."feathers");
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# Constant: THEMES_DIR
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# Absolute path to /themes.
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define('THEMES_DIR', MAIN_DIR.DIR."themes");
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# Constant: UPDATE_XML
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# URL to the update feed.
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define('UPDATE_XML', "https://chyrplite.net/rss/update.xml");
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# Constant: UPDATE_INTERVAL
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# Interval in seconds between update checks.
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define('UPDATE_INTERVAL', 86400);
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# Constant: UPDATE_PAGE
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# URL to the latest release.
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define('UPDATE_PAGE', "https://github.com/xenocrat/chyrp-lite/releases/latest");
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# Constant: SESSION_DENY_BOT
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# Deny session storage to robots?
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define('SESSION_DENY_BOT', true);
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# Constant: GET_REMOTE_UNSAFE
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# Allow get_remote() to connect to private and reserved IP addresses?
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define('GET_REMOTE_UNSAFE', false);
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# Constant: USE_GETTEXT_SHIM
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# Use a shim for translation support?
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define('USE_GETTEXT_SHIM', stripos(PHP_OS, "Win") === 0);
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# Constant: USE_OB
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# Use output buffering?
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if (!defined('USE_OB'))
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define('USE_OB', true);
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# Constant: HTTP_ACCEPT_DEFLATE
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# Does the user agent accept deflate encoding?
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define('HTTP_ACCEPT_DEFLATE',
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isset($_SERVER['HTTP_ACCEPT_ENCODING']) and
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substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], "deflate")
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);
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# Constant: HTTP_ACCEPT_GZIP
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# Does the user agent accept gzip encoding?
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define('HTTP_ACCEPT_GZIP',
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isset($_SERVER['HTTP_ACCEPT_ENCODING']) and
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substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], "gzip")
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);
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# Constant: CAN_USE_ZLIB
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# Can we use zlib to compress output?
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define('CAN_USE_ZLIB',
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(HTTP_ACCEPT_DEFLATE or HTTP_ACCEPT_GZIP) and extension_loaded("zlib")
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);
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# Constant: USE_ZLIB
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# Use zlib to provide content compression?
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if (!defined('USE_ZLIB'))
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define('USE_ZLIB', CAN_USE_ZLIB and !ini_get("zlib.output_compression"));
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# Start output buffering and set the header.
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if (USE_OB) {
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if (USE_ZLIB) {
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ob_start("ob_gzhandler");
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header("Content-Encoding: ".(HTTP_ACCEPT_GZIP ? "gzip" : "deflate"));
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} else {
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ob_start();
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}
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}
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# Constant: OB_BASE_LEVEL
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# The base level of output buffering.
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define('OB_BASE_LEVEL', ob_get_level());
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# File: error
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# Functions for handling and reporting errors.
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require_once INCLUDES_DIR.DIR."error.php";
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# File: helpers
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# Various functions used throughout the codebase.
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require_once INCLUDES_DIR.DIR."helpers.php";
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# File: Controller
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# Defines the Controller interface.
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require_once INCLUDES_DIR.DIR."interface".DIR."Controller.php";
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# File: Feather
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# Defines the Feather interface.
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require_once INCLUDES_DIR.DIR."interface".DIR."Feather.php";
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# File: CaptchaProvider
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# Defines the CaptchaProvider interface.
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require_once INCLUDES_DIR.DIR."interface".DIR."CaptchaProvider.php";
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# File: FeedGenerator
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# Defines the FeedGenerator interface.
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require_once INCLUDES_DIR.DIR."interface".DIR."FeedGenerator.php";
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# File: Config
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# See Also:
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# <Config>
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require_once INCLUDES_DIR.DIR."class".DIR."Config.php";
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# File: SQL
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# See Also:
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# <SQL>
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require_once INCLUDES_DIR.DIR."class".DIR."SQL.php";
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# File: Model
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# See Also:
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# <Model>
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require_once INCLUDES_DIR.DIR."class".DIR."Model.php";
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# File: User
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# See Also:
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# <User>
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require_once INCLUDES_DIR.DIR."model".DIR."User.php";
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# File: Visitor
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# See Also:
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# <Visitor>
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require_once INCLUDES_DIR.DIR."model".DIR."Visitor.php";
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# File: Post
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# See Also:
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# <Post>
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require_once INCLUDES_DIR.DIR."model".DIR."Post.php";
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# File: Page
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# See Also:
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# <Page>
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require_once INCLUDES_DIR.DIR."model".DIR."Page.php";
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# File: Group
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# See Also:
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# <Group>
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require_once INCLUDES_DIR.DIR."model".DIR."Group.php";
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# File: Session
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# See Also:
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# <Session>
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require_once INCLUDES_DIR.DIR."class".DIR."Session.php";
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# File: Flash
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# See Also:
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# <Flash>
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require_once INCLUDES_DIR.DIR."class".DIR."Flash.php";
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# File: Theme
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# See Also:
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# <Theme>
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require_once INCLUDES_DIR.DIR."class".DIR."Theme.php";
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# File: Trigger
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# See Also:
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# <Trigger>
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require_once INCLUDES_DIR.DIR."class".DIR."Trigger.php";
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# File: Controllers
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# See Also:
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# <Controllers>
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require_once INCLUDES_DIR.DIR."class".DIR."Controllers.php";
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# File: Modules
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# See Also:
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# <Modules>
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require_once INCLUDES_DIR.DIR."class".DIR."Modules.php";
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# File: Feathers
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# See Also:
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# <Feathers>
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require_once INCLUDES_DIR.DIR."class".DIR."Feathers.php";
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# File: Paginator
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# See Also:
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# <Paginator>
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require_once INCLUDES_DIR.DIR."class".DIR."Paginator.php";
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# File: Route
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# See Also:
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# <Route>
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require_once INCLUDES_DIR.DIR."class".DIR."Route.php";
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# File: Update
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# See Also:
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# <Update>
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require_once INCLUDES_DIR.DIR."class".DIR."Update.php";
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# File: Translation
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# See Also:
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# <Translation>
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require_once INCLUDES_DIR.DIR."class".DIR."Translation.php";
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# File: Main
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# See Also:
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# <Controller>
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require_once INCLUDES_DIR.DIR."controller".DIR."Main.php";
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# File: Admin
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# See Also:
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# <Controller>
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require_once INCLUDES_DIR.DIR."controller".DIR."Admin.php";
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# File: Ajax
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# See Also:
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# <Controller>
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require_once INCLUDES_DIR.DIR."controller".DIR."Ajax.php";
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# Exit if an upgrade is in progress.
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if (file_exists(INCLUDES_DIR.DIR."upgrading.lock"))
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error(
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__("Service Unavailable"),
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__("This resource is temporarily unable to serve your request."),
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code:503
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);
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# Exit if the config file is missing.
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if (!file_exists(INCLUDES_DIR.DIR."config.json.php"))
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error(
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__("Service Unavailable"),
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__("This resource cannot respond because it is not configured."),
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code:503
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);
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# Start the timer that keeps track of Chyrp's load time.
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timer_start();
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# Load the config settings.
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$config = Config::current();
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# Prepare the SQL interface.
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$sql = SQL::current();
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# Register our autoloader.
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spl_autoload_register("autoload");
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# Register our feed alias.
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class_alias($config->feed_format, "BlogFeed");
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# Set the timezone for date(), etc.
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set_timezone($config->timezone);
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# Initialize connection to SQL server.
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$sql->connect();
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# Begin the session.
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session();
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# Set the locale.
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set_locale($config->locale);
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# Load the translation engine.
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load_translator("chyrp", INCLUDES_DIR.DIR."locale");
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# Constant: PREVIEWING
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# Is the user previewing a theme?
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define('PREVIEWING', !ADMIN and !empty($_SESSION['theme']));
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# Constant: THEME_DIR
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# Absolute path to the theme (current or previewed).
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define('THEME_DIR',
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MAIN_DIR.DIR."themes".DIR.
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(PREVIEWING ? $_SESSION['theme'] : $config->theme)
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);
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# Constant: THEME_URL
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# Absolute URL to the theme (current or previewed).
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define('THEME_URL',
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$config->chyrp_url."/themes/".
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(PREVIEWING ? $_SESSION['theme'] : $config->theme)
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);
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# Instantiate the theme.
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$theme = Theme::current();
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# Instantiate notifications.
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$flash = Flash::current();
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# Instantiate triggers.
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$trigger = Trigger::current();
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# Initialize extensions.
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init_extensions();
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# Instantiate the visitor.
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$visitor = Visitor::current();
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# First general-purpose trigger.
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$trigger->call("runtime");
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# Publish scheduled posts.
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if (MAIN or ADMIN)
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Post::publish_scheduled(true);
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# Set headers.
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header("Content-Type: text/html; charset=UTF-8");
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header("Referrer-Policy: strict-origin-when-cross-origin");
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header("Vary: Accept-Encoding, Cookie, Save-Data");
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if ($config->send_pingbacks)
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header("Link: <".$config->url."/?action=webmention>; rel=\"webmention\"");
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