add oidc library, switch to psr-4 loader

1 files changed, 0 insertions, 422 deletions

diff --git a/classes/config.php b/classes/config.php
deleted file mode 100644
index b445973..0000000
--- a/classes/config.php
+++ /dev/null
@@ -1,422 +0,0 @@
-<?php
-class Config {
-	private const _ENVVAR_PREFIX = "EPUBE_";
-
-	const T_BOOL = 1;
-	const T_STRING = 2;
-	const T_INT = 3;
-
-	// override defaults, defined below in _DEFAULTS[], via environment: DB_TYPE becomes EPUBE_DB_TYPE, etc
-
-	const DB_TYPE = "DB_TYPE";
-	const SCRATCH_DB = "SCRATCH_DB";
-	const CALIBRE_DB = "CALIBRE_DB";
-	const BOOKS_DIR = "BOOKS_DIR";
-	const DICT_SERVER = "DICT_SERVER";
-	const SESSION_LIFETIME = "SESSION_LIFETIME";
-	const SESSION_NAME = "SESSION_NAME";
-
-	private const _DEFAULTS = [
-		Config::DB_TYPE => [ "sqlite", Config::T_STRING ],
-		Config::SCRATCH_DB => [ "db/scratch.db", Config::T_STRING ],
-		Config::CALIBRE_DB => [ "", Config::T_STRING ],
-		Config::BOOKS_DIR => [ "", Config::T_STRING ],
-		Config::DICT_SERVER => [ "", Config::T_STRING ],
-		Config::SESSION_LIFETIME => [ 86400*30, Config::T_INT ],
-		Config::SESSION_NAME => [ "epube_sid", Config::T_STRING ],
-	];
-
-	private static ?Config $instance = null;
-
-	/** @var array<string, array<bool|int|string>> */
-	private array $params = [];
-
-	/** @var array<string, mixed> */
-	private array $version = [];
-
-	private Db_Migrations $migrations;
-
-	public static function get_instance() : Config {
-		if (self::$instance == null)
-			self::$instance = new self();
-
-		return self::$instance;
-	}
-
-	private function __clone() {
-		//
-	}
-
-	function __construct() {
-		$ref = new ReflectionClass(get_class($this));
-
-		foreach ($ref->getConstants() as $const => $cvalue) {
-			if (isset(self::_DEFAULTS[$const])) {
-				$override = getenv(self::_ENVVAR_PREFIX . $const);
-
-				list ($defval, $deftype) = self::_DEFAULTS[$const];
-
-				$this->params[$cvalue] = [ self::cast_to(!empty($override) ? $override : $defval, $deftype), $deftype ];
-			}
-		}
-	}
-
-	/* package maintainers who don't use git: if version_static.txt exists in tt-rss root
-		directory, its contents are displayed instead of git commit-based version, this could be generated
-		based on source git tree commit used when creating the package */
-
-	/** @return string|array<string, mixed> */
-	static function get_version(bool $as_string = true) : mixed {
-		return self::get_instance()->_get_version($as_string);
-	}
-
-	/** @return string|array<string, mixed> */
-	private function _get_version(bool $as_string = true) : mixed {
-		$root_dir = dirname(__DIR__);
-
-		if (empty($this->version)) {
-			$this->version["status"] = -1;
-
-			if (getenv("CI_COMMIT_SHORT_SHA") && getenv("CI_COMMIT_TIMESTAMP")) {
-
-				$this->version["branch"] = getenv("CI_COMMIT_BRANCH");
-				$this->version["timestamp"] = strtotime(getenv("CI_COMMIT_TIMESTAMP"));
-				$this->version["version"] = sprintf("%s-%s", date("y.m", $this->version["timestamp"]), getenv("CI_COMMIT_SHORT_SHA"));
-				$this->version["commit"] = getenv("CI_COMMIT_SHORT_SHA");
-				$this->version["status"] = 0;
-
-			} else if (PHP_OS === "Darwin") {
-				$this->version["version"] = "UNKNOWN (Unsupported, Darwin)";
-			} else if (file_exists("$root_dir/version_static.txt")) {
-				$this->version["version"] = trim(file_get_contents("$root_dir/version_static.txt")) . " (Unsupported)";
-			} else if (is_dir("$root_dir/.git")) {
-				$this->version = self::get_version_from_git($root_dir);
-
-				if ($this->version["status"] != 0) {
-					user_error("Unable to determine version: " . $this->version["version"], E_USER_WARNING);
-
-					$this->version["version"] = "UNKNOWN (Unsupported, Git error)";
-				}
-			} else {
-				$this->version["version"] = "UNKNOWN (Unsupported)";
-			}
-		}
-
-		return $as_string ? $this->version["version"] : $this->version;
-	}
-
-	/** @return array<string, mixed> */
-	static function get_version_from_git(string $dir) : array {
-		$descriptorspec = [
-			1 => ["pipe", "w"], // STDOUT
-			2 => ["pipe", "w"], // STDERR
-		];
-
-		$rv = [
-			"status" => -1,
-			"version" => "",
-			"commit" => "",
-			"branch" => "",
-			"timestamp" => 0,
-		];
-
-		$proc = proc_open("git --no-pager log --pretty=\"version-%ct-%h\" -n1 HEAD",
-						$descriptorspec, $pipes, $dir);
-
-		if (is_resource($proc)) {
-			$stdout = trim(stream_get_contents($pipes[1]));
-			$stderr = trim(stream_get_contents($pipes[2]));
-			$status = proc_close($proc);
-
-			$rv["status"] = $status;
-
-			list($check, $timestamp, $commit) = explode("-", $stdout);
-
-			if ($check == "version") {
-
-				$rv["version"] = strftime("%y.%m", (int)$timestamp) . "-$commit";
-				$rv["commit"] = $commit;
-				$rv["timestamp"] = $timestamp;
-
-				// proc_close() may return -1 even if command completed successfully
-				// so if it looks like we got valid data, we ignore it
-
-				if ($rv["status"] == -1)
-					$rv["status"] = 0;
-
-			} else {
-				$rv["version"] = T_sprintf("Git error [RC=%d]: %s", $status, $stderr);
-			}
-		}
-
-		return $rv;
-	}
-
-	static function get_migrations() : Db_Migrations {
-		return self::get_instance()->_get_migrations();
-	}
-
-	private function _get_migrations() : Db_Migrations {
-		if (empty($this->migrations)) {
-			$this->migrations = new Db_Migrations();
-			$this->migrations->initialize(dirname(__DIR__) . "/sql", "epube_migrations", true);
-		}
-
-		return $this->migrations;
-	}
-
-	static function is_migration_needed() : bool {
-		return self::get_migrations()->is_migration_needed();
-	}
-
-	static function get_schema_version() : int {
-		return self::get_migrations()->get_version();
-	}
-
-	/** @return int|bool|string */
-	static function cast_to(string $value, int $type_hint) : mixed {
-		switch ($type_hint) {
-			case self::T_BOOL:
-				return sql_bool_to_bool($value);
-			case self::T_INT:
-				return (int) $value;
-			default:
-				return $value;
-		}
-	}
-
-	/** @return int|bool|string */
-	private function _get(string $param) : mixed {
-		list ($value, $type_hint) = $this->params[$param];
-
-		return $this->cast_to($value, $type_hint);
-	}
-
-	private function _add(string $param, string $default, int $type_hint) : void {
-		$override = getenv($this::_ENVVAR_PREFIX . $param);
-
-		$this->params[$param] = [ self::cast_to(!empty($override) ? $override : $default, $type_hint), $type_hint ];
-	}
-
-	static function add(string $param, string $default, int $type_hint = Config::T_STRING) : void {
-		$instance = self::get_instance();
-
-		$instance->_add($param, $default, $type_hint);
-	}
-
-	/** @return int|bool|string */
-	static function get(string $param) {
-		$instance = self::get_instance();
-
-		return $instance->_get($param);
-	}
-
-	static function is_server_https() : bool {
-		return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) ||
-			(!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https');
-	}
-
-	/** generates reference self_url_path (no trailing slash) */
-	static function make_self_url() : string {
-		$proto = self::is_server_https() ? 'https' : 'http';
-		$self_url_path = $proto . '://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
-
-		$self_url_path = preg_replace("/\w+\.php(\?.*$)?$/", "", $self_url_path);
-
-		if (substr($self_url_path, -1) === "/") {
-			return substr($self_url_path, 0, -1);
-		} else {
-			return $self_url_path;
-		}
-	}
-
-	/** also initializes Db and ORM */
-	static function sanity_check() : void {
-
-		/*
-			we don't actually need the DB object right now but some checks below might use ORM which won't be initialized
-			because it is set up in the Db constructor, which is why it's a good idea to invoke it as early as possible
-
-			it is a bit of a hack, maybe ORM should be initialized somewhere else (functions.php?)
-		*/
-
-		$pdo = Db::pdo();
-
-		$errors = [];
-
-		/*if (strpos(self::get(Config::PLUGINS), "auth_") === false) {
-			array_push($errors, "Please enable at least one authentication module via PLUGINS");
-		}*/
-
-		if (function_exists('posix_getuid') && posix_getuid() == 0) {
-			array_push($errors, "Please don't run this script as root.");
-		}
-
-		if (version_compare(PHP_VERSION, '7.1.0', '<')) {
-			array_push($errors, "PHP version 7.1.0 or newer required. You're using " . PHP_VERSION . ".");
-		}
-
-		// TODO: add some relevant stuff
-
-		/*if (!class_exists("UConverter")) {
-			array_push($errors, "PHP UConverter class is missing, it's provided by the Internationalization (intl) module.");
-		}
-
-		if (!is_writable(self::get(Config::CACHE_DIR) . "/images")) {
-			array_push($errors, "Image cache is not writable (chmod -R 777 ".self::get(Config::CACHE_DIR)."/images)");
-		}
-
-		if (!is_writable(self::get(Config::CACHE_DIR) . "/upload")) {
-			array_push($errors, "Upload cache is not writable (chmod -R 777 ".self::get(Config::CACHE_DIR)."/upload)");
-		}
-
-		if (!is_writable(self::get(Config::CACHE_DIR) . "/export")) {
-			array_push($errors, "Data export cache is not writable (chmod -R 777 ".self::get(Config::CACHE_DIR)."/export)");
-		}
-
-		if (self::get(Config::SINGLE_USER_MODE) && class_exists("PDO")) {
-			if (UserHelper::get_login_by_id(1) != "admin") {
-				array_push($errors, "SINGLE_USER_MODE is enabled but default admin account (ID: 1) is not found.");
-			}
-		}*/
-
-		if (php_sapi_name() != "cli") {
-
-			if (self::get_schema_version() < 0) {
-				array_push($errors, "Base database schema is missing. Either load it manually or perform a migration (<code>update.php --update-schema</code>)");
-			}
-
-/*			$ref_self_url_path = self::make_self_url();
-
-			if ($ref_self_url_path) {
-				$ref_self_url_path = preg_replace("/\w+\.php$/", "", $ref_self_url_path);
-			}
-
-			if (self::get_self_url() == "http://example.org/tt-rss") {
-				$hint = $ref_self_url_path ? "(possible value: <b>$ref_self_url_path</b>)" : "";
-				array_push($errors,
-						"Please set SELF_URL_PATH to the correct value for your server: $hint");
-			}
-
-			if (self::get_self_url() != $ref_self_url_path) {
-				array_push($errors,
-					"Please set SELF_URL_PATH to the correct value detected for your server: <b>$ref_self_url_path</b> (you're using: <b>" . self::get_self_url() . "</b>)");
-			} */
-		}
-
-		/* if (!is_writable(self::get(Config::ICONS_DIR))) {
-			array_push($errors, "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".self::get(Config::ICONS_DIR).").\n");
-		}
-
-		if (!is_writable(self::get(Config::LOCK_DIRECTORY))) {
-			array_push($errors, "LOCK_DIRECTORY is not writable (chmod -R 777 ".self::get(Config::LOCK_DIRECTORY).").\n");
-		}
-
-		if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
-			array_push($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.");
-		}
-
-		if (!function_exists("json_encode")) {
-			array_push($errors, "PHP support for JSON is required, but was not found.");
-		}
-
-		if (!class_exists("PDO")) {
-			array_push($errors, "PHP support for PDO is required but was not found.");
-		}
-
-		if (!function_exists("mb_strlen")) {
-			array_push($errors, "PHP support for mbstring functions is required but was not found.");
-		}
-
-		if (!function_exists("hash")) {
-			array_push($errors, "PHP support for hash() function is required but was not found.");
-		}
-
-		if (ini_get("safe_mode")) {
-			array_push($errors, "PHP safe mode setting is obsolete and not supported by tt-rss.");
-		}
-
-		if (!function_exists("mime_content_type")) {
-			array_push($errors, "PHP function mime_content_type() is missing, try enabling fileinfo module.");
-		}
-
-		if (!class_exists("DOMDocument")) {
-			array_push($errors, "PHP support for DOMDocument is required, but was not found.");
-		}
-
-		if (self::get(Config::DB_TYPE) == "mysql") {
-			$bad_tables = self::check_mysql_tables();
-
-			if (count($bad_tables) > 0) {
-				$bad_tables_fmt = [];
-
-				foreach ($bad_tables as $bt) {
-					array_push($bad_tables_fmt, sprintf("%s (%s)", $bt['table_name'], $bt['engine']));
-				}
-
-				$msg = "<p>The following tables use an unsupported MySQL engine: <b>" .
-					implode(", ", $bad_tables_fmt) . "</b>.</p>";
-
-				$msg .= "<p>The only supported engine on MySQL is InnoDB. MyISAM lacks functionality to run
-					tt-rss.
-					Please backup your data (via OPML) and re-import the schema before continuing.</p>
-					<p><b>WARNING: importing the schema would mean LOSS OF ALL YOUR DATA.</b></p>";
-
-
-				array_push($errors, $msg);
-			}
-		} */
-
-		if (count($errors) > 0 && php_sapi_name() != "cli") { ?>
-			<!DOCTYPE html>
-			<html>
-				<head>
-					<meta name="viewport" content="width=device-width, initial-scale=1.0">
-					<link href="lib/bootstrap/v3/css/bootstrap.min.css" rel="stylesheet" media="screen">
-					<link href="lib/bootstrap/v3/css/bootstrap-theme.min.css" rel="stylesheet" media="screen">
-					<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-					<script src="dist/app-libs.min.js"></script>
-					<title>Startup failed</title>
-					<link type="text/css" rel="stylesheet" media="screen" href="dist/app.min.css" />
-					<link rel="shortcut icon" type="image/png" href="img/favicon.png" />
-					<link rel="manifest" href="manifest.json">
-					<meta name="mobile-web-app-capable" content="yes">
-					<script type="text/javascript">
-						$(document).ready(function() {
-								/* global EpubeApp */
-
-								if (typeof EpubeApp != "undefined") {
-									EpubeApp.setPage("PAGE_LOGIN");
-								}
-						});
-					</script>
-				</head>
-				<body class="epube-sanity-failed">
-					<div class="container">
-						<h1>Startup failed</h1>
-
-						<p>Please fix errors indicated by the following messages:</p>
-
-						<?php foreach ($errors as $error) { echo self::format_error($error); } ?>
-
-					</div>
-				</body>
-			</html>
-
-		<?php
-			die;
-		} else if (count($errors) > 0) {
-			echo "Please fix errors indicated by the following messages:\n\n";
-
-			foreach ($errors as $error) {
-				echo " * " . strip_tags($error)."\n";
-			}
-
-			exit(1);
-		}
-	}
-
-	private static function format_error(string $msg) : string {
-		return "<div class=\"alert alert-danger\">$msg</div>";
-	}
-}