function classAutoloader(string $class): void { if (str_starts_with($class, 'FreshRSS')) { $components = explode('_', $class); switch (count($components)) { case 1: include APP_PATH . '/' . $components[0] . '.php'; return; case 2: include APP_PATH . '/Models/' . $components[1] . '.php'; return; case 3: //Controllers, Exceptions include APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php'; return; } } elseif (str_starts_with($class, 'Minz')) { include LIB_PATH . '/' . str_replace('_', '/', $class) . '.php'; } elseif (str_starts_with($class, 'SimplePie\\')) { $prefix = 'SimplePie\\'; $base_dir = LIB_PATH . '/simplepie/simplepie/src/'; $relative_class_name = substr($class, strlen($prefix)); include $base_dir . str_replace('\\', '/', $relative_class_name) . '.php'; } elseif (str_starts_with($class, 'Gt\\CssXPath\\')) { $prefix = 'Gt\\CssXPath\\'; $base_dir = LIB_PATH . '/phpgt/cssxpath/src/'; $relative_class_name = substr($class, strlen($prefix)); include $base_dir . str_replace('\\', '/', $relative_class_name) . '.php'; } elseif (str_starts_with($class, 'marienfressinaud\\LibOpml\\')) { $prefix = 'marienfressinaud\\LibOpml\\'; $base_dir = LIB_PATH . '/marienfressinaud/lib_opml/src/LibOpml/'; $relative_class_name = substr($class, strlen($prefix)); include $base_dir . str_replace('\\', '/', $relative_class_name) . '.php'; } elseif (str_starts_with($class, 'PHPMailer\\PHPMailer\\')) { $prefix = 'PHPMailer\\PHPMailer\\'; $base_dir = LIB_PATH . '/phpmailer/phpmailer/src/'; $relative_class_name = substr($class, strlen($prefix)); include $base_dir . str_replace('\\', '/', $relative_class_name) . '.php'; } } spl_autoload_register('classAutoloader'); // /** * @param array $array * @phpstan-assert-if-true array $array */ function is_array_keys_string(array $array): bool { foreach ($array as $key => $value) { if (!is_string($key)) { return false; } } return true; } /** * @param array $array * @phpstan-assert-if-true array $array */ function is_array_values_string(array $array): bool { foreach ($array as $value) { if (!is_string($value)) { return false; } } return true; } /** * Memory efficient replacement of `echo json_encode(...)` * @param array|mixed $json * @param int $optimisationDepth Number of levels for which to perform memory optimisation * before calling the faster native JSON serialisation. * Set to negative value for infinite depth. */ function echoJson($json, int $optimisationDepth = -1): void { if ($optimisationDepth === 0 || !is_array($json)) { echo json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); return; } $first = true; if (array_is_list($json)) { echo '['; foreach ($json as $item) { if ($first) { $first = false; } else { echo ','; } echoJson($item, $optimisationDepth - 1); } echo ']'; } else { echo '{'; foreach ($json as $key => $value) { if ($first) { $first = false; } else { echo ','; } echo json_encode($key, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE), ':'; echoJson($value, $optimisationDepth - 1); } echo '}'; } } function safe_ascii(?string $text): string { return $text === null ? '' : (filter_var($text, FILTER_DEFAULT, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH) ?: ''); } if (function_exists('mb_convert_encoding')) { function safe_utf8(?string $text): string { return $text === null ? '' : (mb_convert_encoding($text, 'UTF-8', 'UTF-8') ?: ''); } } elseif (function_exists('iconv')) { function safe_utf8(?string $text): string { return $text === null ? '' : (iconv('UTF-8', 'UTF-8//IGNORE', $text) ?: ''); } } else { function safe_utf8(?string $text): string { return $text ?? ''; } } function escapeToUnicodeAlternative(string $text, bool $extended = true): string { $text = htmlspecialchars_decode($text, ENT_QUOTES); //Problematic characters $problem = ['&', '<', '>']; //Use their fullwidth Unicode form instead: $replace = ['＆', '＜', '＞']; // https://raw.githubusercontent.com/mihaip/google-reader-api/master/wiki/StreamId.wiki if ($extended) { $problem += ["'", '"', '^', '?', '\\', '/', ',', ';']; $replace += ["’", '＂', '＾', '？', '＼', '／', '，', '；']; } return trim(str_replace($problem, $replace, $text)); } function format_number(int|float $n, int $precision = 0): string { // number_format does not seem to be Unicode-compatible return str_replace(' ', ' ', // Thin non-breaking space number_format((float)$n, $precision, '.', ' ') ); } function format_bytes(int $bytes, int $precision = 2, string $system = 'IEC'): string { if ($system === 'IEC') { $base = 1024; $units = ['B', 'KiB', 'MiB', 'GiB', 'TiB']; } elseif ($system === 'SI') { $base = 1000; $units = ['B', 'KB', 'MB', 'GB', 'TB']; } else { return format_number($bytes, $precision); } $bytes = max(intval($bytes), 0); $pow = $bytes === 0 ? 0 : (int)floor(log($bytes) / log($base)); $pow = min(max(0, $pow), count($units) - 1); $bytes /= pow($base, $pow); return format_number($bytes, $precision) . ' ' . $units[$pow]; } function timestamptodate(int $t, bool $hour = true): string { $month = _t('gen.date.' . date('M', $t)); if ($hour) { $date = _t('gen.date.format_date_hour', $month); } else { $date = _t('gen.date.format_date', $month); } return @date($date, $t) ?: ''; } /** * Decode HTML entities but preserve XML entities. */ function html_only_entity_decode(?string $text): string { /** @var array|null $htmlEntitiesOnly */ static $htmlEntitiesOnly = null; if ($htmlEntitiesOnly === null) { $htmlEntitiesOnly = array_flip(array_diff( get_html_translation_table(HTML_ENTITIES, ENT_NOQUOTES, 'UTF-8'), //Decode HTML entities get_html_translation_table(HTML_SPECIALCHARS, ENT_NOQUOTES, 'UTF-8') //Preserve XML entities )); } return $text == null ? '' : strtr($text, $htmlEntitiesOnly); } /** * Remove passwords in FreshRSS logs. * See also ../cli/sensitive-log.sh for Web server logs. * @param array|string $log * @return array|string */ function sensitive_log(array|string $log): array|string { if (is_array($log)) { foreach ($log as $k => $v) { if (in_array($k, ['api_key', 'Passwd', 'T'], true)) { $log[$k] = '██'; } elseif ((is_array($v) && is_array_keys_string($v)) || is_string($v)) { $log[$k] = sensitive_log($v); } else { return ''; } } } elseif (is_string($log)) { $log = preg_replace([ '/\b(auth=.*?\/)[^&]+/i', '/\b(Passwd=)[^&]+/i', '/\b(Authorization)[^&]+/i', ], '$1█', $log) ?? ''; } return $log; } function cleanCache(int $hours = 720): void { // N.B.: GLOB_BRACE is not available on all platforms $files = glob(CACHE_PATH . '/*.*', GLOB_NOSORT) ?: []; foreach ($files as $file) { if (str_ends_with($file, 'index.html')) { continue; } $cacheMtime = @filemtime($file); if ($cacheMtime !== false && $cacheMtime < time() - (3600 * $hours)) { unlink($file); } } } /** * Add support of image lazy loading * Move content from src/poster attribute to data-original * @param string $content is the text we want to parse */ function lazyimg(string $content): string { return preg_replace([ '/<((?:img|image|iframe|track)[^>]+?)src="([^"]+)"([^>]*)>/i', "/<((?:img|image|iframe|track)[^>]+?)src='([^']+)'([^>]*)>/i", '/<((?:video)[^>]+?)poster="([^"]+)"([^>]*)>/i', "/<((?:video)[^>]+?)poster='([^']+)'([^>]*)>/i", ], [ '<$1src="' . Minz_Url::display('/themes/icons/grey.gif') . '" data-original="$2"$3>', "<$1src='" . Minz_Url::display('/themes/icons/grey.gif') . "' data-original='$2'$3>", '<$1poster="' . Minz_Url::display('/themes/icons/grey.gif') . '" data-original="$2"$3>', "<$1poster='" . Minz_Url::display('/themes/icons/grey.gif') . "' data-original='$2'$3>", ], $content ) ?? ''; } /** @return numeric-string */ function uTimeString(): string { $t = gettimeofday(); // @phpstan-ignore return.type return ((string)$t['sec']) . str_pad((string)$t['usec'], 6, '0', STR_PAD_LEFT); } function invalidateHttpCache(string $username = ''): bool { if (!FreshRSS_user_Controller::checkUsername($username)) { Minz_Session::_param('touch', uTimeString()); $username = Minz_User::name() ?? Minz_User::INTERNAL_USER; } return FreshRSS_UserDAO::ctouch($username); } #[Deprecated('Use Minz_Request::connectionRemoteAddress() instead.')] function connectionRemoteAddress(): string { return Minz_Request::connectionRemoteAddress(); } #[Deprecated('Use FreshRSS_http_Util::checkTrustedIP() instead.')] function checkTrustedIP(): bool { return FreshRSS_http_Util::checkTrustedIP(); } /** * Remove a directory recursively. * From http://php.net/rmdir#110489 */ function recursive_unlink(string $dir): bool { if (!is_dir($dir)) { return true; } if (is_link($dir)) { if (PHP_OS_FAMILY === "Windows") { return rmdir($dir); } return unlink($dir); } $files = array_diff(scandir($dir) ?: [], ['.', '..']); foreach ($files as $filename) { $filename = $dir . '/' . $filename; if (is_dir($filename)) { @chmod($filename, 0777); recursive_unlink($filename); } else { unlink($filename); } } return rmdir($dir); } function _i(string $icon, int $type = FreshRSS_Themes::ICON_DEFAULT): string { return FreshRSS_Themes::icon($icon, $type); } function errorMessageInfo(string $errorTitle, string $error = ''): string { $errorTitle = htmlspecialchars($errorTitle, ENT_NOQUOTES, 'UTF-8'); $message = ''; $details = ''; $error = trim($error); // Prevent empty tags by checking if error is not empty first if ($error !== '') { $error = htmlspecialchars($error, ENT_NOQUOTES, 'UTF-8') . "\n"; // First line is the main message, other lines are the details list($message, $details) = explode("\n", $error, 2); $message = "

{$message}

"; $details = "

{$details}

"; } header("Content-Security-Policy: default-src 'self'; frame-ancestors " . (FreshRSS_Context::systemConf()->attributeString('csp.frame-ancestors') ?? "'none'")); header('Referrer-Policy: same-origin'); return <<

HTTP 500: {$errorTitle}

HTTP 500: {$errorTitle}

{$message} {$details}

For help see the documentation: https://freshrss.github.io/FreshRSS/en/admins/logs_and_errors.html MSG; }