mirror of
https://github.com/FreshRSS/FreshRSS.git
synced 2026-01-17 17:57:54 -05:00
20ecbeb09c
* Fix drag&drop of user query losing information Information about RSS sharing was lost after a drag&drop * Fix related type cast
1136 lines
37 KiB
PHP
1136 lines
37 KiB
PHP
<?php
|
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declare(strict_types=1);
|
||
|
||
if (!function_exists('mb_strcut')) {
|
||
function mb_strcut(string $str, int $start, ?int $length = null, string $encoding = 'UTF-8'): string {
|
||
return substr($str, $start, $length) ?: '';
|
||
}
|
||
}
|
||
|
||
if (!function_exists('syslog')) {
|
||
if (COPY_SYSLOG_TO_STDERR && !defined('STDERR')) {
|
||
define('STDERR', fopen('php://stderr', 'w'));
|
||
}
|
||
function syslog(int $priority, string $message): bool {
|
||
if (COPY_SYSLOG_TO_STDERR && defined('STDERR') && is_resource(STDERR)) {
|
||
return fwrite(STDERR, $message . "\n") != false;
|
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}
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (function_exists('openlog')) {
|
||
if (COPY_SYSLOG_TO_STDERR) {
|
||
openlog('FreshRSS', LOG_CONS | LOG_ODELAY | LOG_PID | LOG_PERROR, LOG_USER);
|
||
} else {
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openlog('FreshRSS', LOG_CONS | LOG_ODELAY | LOG_PID, LOG_USER);
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}
|
||
}
|
||
|
||
/**
|
||
* Build a directory path by concatenating a list of directory names.
|
||
*
|
||
* @param string ...$path_parts a list of directory names
|
||
* @return string corresponding to the final pathname
|
||
*/
|
||
function join_path(...$path_parts): string {
|
||
return join(DIRECTORY_SEPARATOR, $path_parts);
|
||
}
|
||
|
||
//<Auto-loading>
|
||
function classAutoloader(string $class): void {
|
||
if (str_starts_with($class, 'FreshRSS')) {
|
||
$components = explode('_', $class);
|
||
switch (count($components)) {
|
||
case 1:
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||
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');
|
||
//</Auto-loading>
|
||
|
||
/**
|
||
* @param array<mixed,mixed> $array
|
||
* @phpstan-assert-if-true array<string,mixed> $array
|
||
*/
|
||
function is_array_keys_string(array $array): bool {
|
||
foreach ($array as $key => $value) {
|
||
if (!is_string($key)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* @param array<mixed,mixed> $array
|
||
* @phpstan-assert-if-true array<mixed,string> $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>|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 idn_to_puny(string $url): string {
|
||
if (function_exists('idn_to_ascii')) {
|
||
$idn = parse_url($url, PHP_URL_HOST);
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||
if (is_string($idn) && $idn != '') {
|
||
$puny = idn_to_ascii($idn);
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||
$pos = strpos($url, $idn);
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||
if ($puny != false && $pos !== false) {
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||
$url = substr_replace($url, $puny, $pos, strlen($idn));
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||
}
|
||
}
|
||
}
|
||
return $url;
|
||
}
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||
|
||
function checkUrl(string $url, bool $fixScheme = true): string|false {
|
||
$url = trim($url);
|
||
if ($url == '') {
|
||
return '';
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||
}
|
||
if ($fixScheme && preg_match('#^https?://#i', $url) !== 1) {
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||
$url = 'https://' . ltrim($url, '/');
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||
}
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||
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||
$url = idn_to_puny($url); // https://bugs.php.net/bug.php?id=53474
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||
$urlRelaxed = str_replace('_', 'z', $url); //PHP discussion #64948 Underscore
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||
|
||
if (is_string(filter_var($urlRelaxed, FILTER_VALIDATE_URL))) {
|
||
return $url;
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||
} else {
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||
return false;
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||
}
|
||
}
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||
|
||
function safe_ascii(?string $text): string {
|
||
return $text === null ? '' : (filter_var($text, FILTER_DEFAULT, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH) ?: '');
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||
}
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||
|
||
if (function_exists('mb_convert_encoding')) {
|
||
function safe_utf8(string $text): string {
|
||
return mb_convert_encoding($text, 'UTF-8', 'UTF-8') ?: '';
|
||
}
|
||
} elseif (function_exists('iconv')) {
|
||
function safe_utf8(string $text): string {
|
||
return 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
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||
$problem = ['&', '<', '>'];
|
||
//Use their fullwidth Unicode form instead:
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||
$replace = ['＆', '＜', '＞'];
|
||
|
||
// https://raw.githubusercontent.com/mihaip/google-reader-api/master/wiki/StreamId.wiki
|
||
if ($extended) {
|
||
$problem += ["'", '"', '^', '?', '\\', '/', ',', ';'];
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||
$replace += ["’", '＂', '＾', '？', '＼', '／', '，', '；'];
|
||
}
|
||
|
||
return trim(str_replace($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<string,string>|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,mixed>|string $log
|
||
* @return array<string,mixed>|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;
|
||
}
|
||
|
||
/**
|
||
* @param array<mixed> $curl_params
|
||
* @return array<mixed>
|
||
*/
|
||
function sanitizeCurlParams(array $curl_params): array {
|
||
$safe_params = [
|
||
CURLOPT_COOKIE,
|
||
CURLOPT_COOKIEFILE,
|
||
CURLOPT_FOLLOWLOCATION,
|
||
CURLOPT_HTTPHEADER,
|
||
CURLOPT_MAXREDIRS,
|
||
CURLOPT_POST,
|
||
CURLOPT_POSTFIELDS,
|
||
CURLOPT_PROXY,
|
||
CURLOPT_PROXYTYPE,
|
||
CURLOPT_USERAGENT,
|
||
];
|
||
foreach ($curl_params as $k => $_) {
|
||
if (!in_array($k, $safe_params, true)) {
|
||
unset($curl_params[$k]);
|
||
continue;
|
||
}
|
||
// Allow only an empty value just to enable the libcurl cookie engine
|
||
if ($k === CURLOPT_COOKIEFILE) {
|
||
$curl_params[$k] = '';
|
||
}
|
||
}
|
||
return $curl_params;
|
||
}
|
||
|
||
/**
|
||
* @param array<string,mixed> $attributes
|
||
* @param array<int,mixed> $curl_options
|
||
* @throws FreshRSS_Context_Exception
|
||
*/
|
||
function customSimplePie(array $attributes = [], array $curl_options = []): \SimplePie\SimplePie {
|
||
$limits = FreshRSS_Context::systemConf()->limits;
|
||
$simplePie = new \SimplePie\SimplePie();
|
||
if (FreshRSS_Context::systemConf()->simplepie_syslog_enabled) {
|
||
$simplePie->get_registry()->register(\SimplePie\File::class, FreshRSS_SimplePieResponse::class);
|
||
}
|
||
$simplePie->set_useragent(FRESHRSS_USERAGENT);
|
||
$simplePie->set_cache_name_function('sha1');
|
||
$simplePie->set_cache_location(CACHE_PATH);
|
||
$simplePie->set_cache_duration($limits['cache_duration'], $limits['cache_duration_min'], $limits['cache_duration_max']);
|
||
$simplePie->enable_order_by_date(false);
|
||
|
||
$feed_timeout = empty($attributes['timeout']) || !is_numeric($attributes['timeout']) ? 0 : (int)$attributes['timeout'];
|
||
$simplePie->set_timeout($feed_timeout > 0 ? $feed_timeout : $limits['timeout']);
|
||
|
||
$curl_options = array_replace(FreshRSS_Context::systemConf()->curl_options, $curl_options);
|
||
if (isset($attributes['ssl_verify'])) {
|
||
$curl_options[CURLOPT_SSL_VERIFYHOST] = empty($attributes['ssl_verify']) ? 0 : 2;
|
||
$curl_options[CURLOPT_SSL_VERIFYPEER] = (bool)$attributes['ssl_verify'];
|
||
if (empty($attributes['ssl_verify'])) {
|
||
$curl_options[CURLOPT_SSL_CIPHER_LIST] = 'DEFAULT@SECLEVEL=1';
|
||
}
|
||
}
|
||
$attributes['curl_params'] = sanitizeCurlParams(is_array($attributes['curl_params'] ?? null) ? $attributes['curl_params'] : []);
|
||
if (!empty($attributes['curl_params']) && is_array($attributes['curl_params'])) {
|
||
foreach ($attributes['curl_params'] as $co => $v) {
|
||
if (is_int($co)) {
|
||
$curl_options[$co] = $v;
|
||
}
|
||
}
|
||
}
|
||
if (!empty($curl_options[CURLOPT_PROXYTYPE]) && ($curl_options[CURLOPT_PROXYTYPE] < 0 || $curl_options[CURLOPT_PROXYTYPE] === 3)) {
|
||
// 3 is legacy for NONE
|
||
unset($curl_options[CURLOPT_PROXYTYPE]);
|
||
if (isset($curl_options[CURLOPT_PROXY])) {
|
||
unset($curl_options[CURLOPT_PROXY]);
|
||
}
|
||
}
|
||
$simplePie->set_curl_options($curl_options);
|
||
|
||
$simplePie->strip_comments(true);
|
||
$simplePie->strip_htmltags([
|
||
'base', 'blink', 'body', 'doctype', 'embed',
|
||
'font', 'form', 'frame', 'frameset', 'html',
|
||
'link', 'input', 'marquee', 'meta', 'noscript',
|
||
'object', 'param', 'plaintext', 'script', 'style',
|
||
'svg', //TODO: Support SVG after sanitizing and URL rewriting of xlink:href
|
||
]);
|
||
$simplePie->rename_attributes(['id', 'class']);
|
||
$simplePie->strip_attributes(array_merge($simplePie->strip_attributes, [
|
||
'alink', 'autoplay', 'background', 'bgcolor', 'class', 'form', 'formaction',
|
||
'link', 'onblur', 'onchange', 'onclick', 'ondblclick', 'onfocus',
|
||
'onkeydown', 'onkeypress', 'onkeyup', 'onload', 'onmousedown', 'onmousemove',
|
||
'onmouseout', 'onmouseover', 'onmouseup', 'onselect', 'onunload',
|
||
'seamless', 'sizes', 'srcdoc', 'srcset', 'text', 'vlink', 'referrerpolicy', 'ping',
|
||
'target', 'rel', 'name', 'download', 'attributionsrc',
|
||
]));
|
||
$simplePie->add_attributes([
|
||
'audio' => ['controls' => 'controls', 'preload' => 'none'],
|
||
'iframe' => [
|
||
'allow' => 'accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share',
|
||
'sandbox' => 'allow-scripts allow-same-origin',
|
||
],
|
||
'video' => ['controls' => 'controls', 'preload' => 'none'],
|
||
]);
|
||
$simplePie->set_url_replacements([
|
||
'a' => 'href',
|
||
'area' => 'href',
|
||
'audio' => 'src',
|
||
'blockquote' => 'cite',
|
||
'del' => 'cite',
|
||
'form' => 'action',
|
||
'iframe' => 'src',
|
||
'img' => [
|
||
'longdesc',
|
||
'src',
|
||
],
|
||
'image' => [
|
||
'longdesc',
|
||
'src',
|
||
],
|
||
'input' => 'src',
|
||
'ins' => 'cite',
|
||
'q' => 'cite',
|
||
'source' => 'src',
|
||
'track' => 'src',
|
||
'video' => [
|
||
'poster',
|
||
'src',
|
||
],
|
||
]);
|
||
$https_domains = [];
|
||
$force = @file(FRESHRSS_PATH . '/force-https.default.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
|
||
if (is_array($force)) {
|
||
$https_domains = array_merge($https_domains, $force);
|
||
}
|
||
$force = @file(DATA_PATH . '/force-https.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
|
||
if (is_array($force)) {
|
||
$https_domains = array_merge($https_domains, $force);
|
||
}
|
||
|
||
// Remove whitespace and comments starting with # / ;
|
||
$https_domains = preg_replace('%\\s+|[\/#;].*$%', '', $https_domains) ?? $https_domains;
|
||
$https_domains = array_filter($https_domains, fn(string $v) => $v !== '');
|
||
|
||
$simplePie->set_https_domains($https_domains);
|
||
return $simplePie;
|
||
}
|
||
|
||
function sanitizeHTML(string $data, string $base = '', ?int $maxLength = null): string {
|
||
if ($data === '' || ($maxLength !== null && $maxLength <= 0)) {
|
||
return '';
|
||
}
|
||
if ($maxLength !== null) {
|
||
$data = mb_strcut($data, 0, $maxLength, 'UTF-8');
|
||
}
|
||
/** @var \SimplePie\SimplePie|null $simplePie */
|
||
static $simplePie = null;
|
||
if ($simplePie === null) {
|
||
$simplePie = customSimplePie();
|
||
$simplePie->enable_cache(false);
|
||
$simplePie->init();
|
||
}
|
||
$sanitized = $simplePie->sanitize->sanitize($data, \SimplePie\SimplePie::CONSTRUCT_HTML, $base);
|
||
if (!is_string($sanitized)) {
|
||
return '';
|
||
}
|
||
$result = html_only_entity_decode($sanitized);
|
||
if ($maxLength !== null && strlen($result) > $maxLength) {
|
||
//Sanitizing has made the result too long so try again shorter
|
||
$data = mb_strcut($result, 0, (2 * $maxLength) - strlen($result) - 2, 'UTF-8');
|
||
return sanitizeHTML($data, $base, $maxLength);
|
||
}
|
||
return $result;
|
||
}
|
||
|
||
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);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Remove the charset meta information of an HTML document, e.g.:
|
||
* `<meta charset="..." />`
|
||
* `<meta http-equiv="Content-Type" content="text/html; charset=...">`
|
||
*/
|
||
function stripHtmlMetaCharset(string $html): string {
|
||
return preg_replace('/<meta\s[^>]*charset\s*=\s*[^>]+>/i', '', $html, 1) ?? '';
|
||
}
|
||
|
||
/**
|
||
* Set an XML preamble to enforce the HTML content type charset received by HTTP.
|
||
* @param string $html the raw downloaded HTML content
|
||
* @param string $contentType an HTTP Content-Type such as 'text/html; charset=utf-8'
|
||
* @return string an HTML string with XML encoding information for DOMDocument::loadHTML()
|
||
*/
|
||
function enforceHttpEncoding(string $html, string $contentType = ''): string {
|
||
$httpCharset = preg_match('/\bcharset=([0-9a-z_-]{2,12})$/i', $contentType, $matches) === 1 ? $matches[1] : '';
|
||
if ($httpCharset == '') {
|
||
// No charset defined by HTTP
|
||
if (preg_match('/<meta\s[^>]*charset\s*=[\s\'"]*UTF-?8\b/i', substr($html, 0, 2048))) {
|
||
// Detect UTF-8 even if declared too deep in HTML for DOMDocument
|
||
$httpCharset = 'UTF-8';
|
||
} else {
|
||
// Do nothing
|
||
return $html;
|
||
}
|
||
}
|
||
$httpCharsetNormalized = \SimplePie\Misc::encoding($httpCharset);
|
||
if (in_array($httpCharsetNormalized, ['windows-1252', 'US-ASCII'], true)) {
|
||
// Default charset for HTTP, do nothing
|
||
return $html;
|
||
}
|
||
if (substr($html, 0, 3) === "\xEF\xBB\xBF" || // UTF-8 BOM
|
||
substr($html, 0, 2) === "\xFF\xFE" || // UTF-16 Little Endian BOM
|
||
substr($html, 0, 2) === "\xFE\xFF" || // UTF-16 Big Endian BOM
|
||
substr($html, 0, 4) === "\xFF\xFE\x00\x00" || // UTF-32 Little Endian BOM
|
||
substr($html, 0, 4) === "\x00\x00\xFE\xFF") { // UTF-32 Big Endian BOM
|
||
// Existing byte order mark, do nothing
|
||
return $html;
|
||
}
|
||
if (preg_match('/^<[?]xml[^>]+encoding\b/', substr($html, 0, 64))) {
|
||
// Existing XML declaration, do nothing
|
||
return $html;
|
||
}
|
||
if ($httpCharsetNormalized !== 'UTF-8') {
|
||
// Try to change encoding to UTF-8 using mbstring or iconv or intl
|
||
$utf8 = \SimplePie\Misc::change_encoding($html, $httpCharsetNormalized, 'UTF-8');
|
||
if (is_string($utf8)) {
|
||
$html = stripHtmlMetaCharset($utf8);
|
||
$httpCharsetNormalized = 'UTF-8';
|
||
}
|
||
}
|
||
if ($httpCharsetNormalized === 'UTF-8') {
|
||
// Save encoding information as XML declaration
|
||
return '<' . '?xml version="1.0" encoding="' . $httpCharsetNormalized . '" ?' . ">\n" . $html;
|
||
}
|
||
// Give up
|
||
return $html;
|
||
}
|
||
|
||
/**
|
||
* Set an HTML base URL to the HTML content if there is none.
|
||
* @param string $html the raw downloaded HTML content
|
||
* @param string $href the HTML base URL
|
||
* @return string an HTML string
|
||
*/
|
||
function enforceHtmlBase(string $html, string $href): string {
|
||
$doc = new DOMDocument();
|
||
$doc->loadHTML($html, LIBXML_NONET | LIBXML_NOERROR | LIBXML_NOWARNING);
|
||
if ($doc->documentElement === null) {
|
||
return '';
|
||
}
|
||
$xpath = new DOMXPath($doc);
|
||
$bases = $xpath->evaluate('//base');
|
||
if (!($bases instanceof DOMNodeList) || $bases->length === 0) {
|
||
$base = $doc->createElement('base');
|
||
if ($base === false) {
|
||
return $html;
|
||
}
|
||
$base->setAttribute('href', $href);
|
||
$head = null;
|
||
$heads = $xpath->evaluate('//head');
|
||
if ($heads instanceof DOMNodeList && $heads->length > 0) {
|
||
$head = $heads->item(0);
|
||
}
|
||
if ($head instanceof DOMElement) {
|
||
$head->insertBefore($base, $head->firstChild);
|
||
} else {
|
||
$doc->documentElement->insertBefore($base, $doc->documentElement->firstChild);
|
||
}
|
||
}
|
||
return $doc->saveHTML() ?: $html;
|
||
}
|
||
|
||
/**
|
||
* @param string $type {html,ico,json,opml,xml}
|
||
* @param array<string,mixed> $attributes
|
||
* @param array<int,mixed> $curl_options
|
||
* @return array{body:string,effective_url:string,redirect_count:int,fail:bool}
|
||
*/
|
||
function httpGet(string $url, string $cachePath, string $type = 'html', array $attributes = [], array $curl_options = []): array {
|
||
$limits = FreshRSS_Context::systemConf()->limits;
|
||
$feed_timeout = empty($attributes['timeout']) || !is_numeric($attributes['timeout']) ? 0 : intval($attributes['timeout']);
|
||
|
||
$cacheMtime = @filemtime($cachePath);
|
||
if ($cacheMtime !== false && $cacheMtime > time() - intval($limits['cache_duration'])) {
|
||
$body = @file_get_contents($cachePath);
|
||
if ($body != false) {
|
||
syslog(LOG_DEBUG, 'FreshRSS uses cache for ' . \SimplePie\Misc::url_remove_credentials($url));
|
||
return ['body' => $body, 'effective_url' => $url, 'redirect_count' => 0, 'fail' => false];
|
||
}
|
||
}
|
||
|
||
if (rand(0, 30) === 1) { // Remove old cache once in a while
|
||
cleanCache(CLEANCACHE_HOURS);
|
||
}
|
||
|
||
if (($retryAfter = FreshRSS_http_Util::getRetryAfter($url)) > 0) {
|
||
Minz_Log::warning('For that domain, will first retry after ' . date('c', $retryAfter) . '. ' . \SimplePie\Misc::url_remove_credentials($url));
|
||
return ['body' => '', 'effective_url' => $url, 'redirect_count' => 0, 'fail' => true];
|
||
}
|
||
|
||
if (FreshRSS_Context::systemConf()->simplepie_syslog_enabled) {
|
||
syslog(LOG_INFO, 'FreshRSS GET ' . $type . ' ' . \SimplePie\Misc::url_remove_credentials($url));
|
||
}
|
||
|
||
$accept = '';
|
||
switch ($type) {
|
||
case 'json':
|
||
$accept = 'application/json,application/feed+json,application/javascript;q=0.9,text/javascript;q=0.8,*/*;q=0.7';
|
||
break;
|
||
case 'opml':
|
||
$accept = 'text/x-opml,text/xml;q=0.9,application/xml;q=0.9,*/*;q=0.8';
|
||
break;
|
||
case 'xml':
|
||
$accept = 'application/xml,application/xhtml+xml,text/xml;q=0.9,*/*;q=0.8';
|
||
break;
|
||
case 'ico':
|
||
$accept = 'image/x-icon,image/vnd.microsoft.icon,image/ico,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.1';
|
||
break;
|
||
case 'html':
|
||
default:
|
||
$accept = 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8';
|
||
break;
|
||
}
|
||
|
||
// TODO: Implement HTTP 1.1 conditional GET If-Modified-Since
|
||
$ch = curl_init();
|
||
if ($ch === false) {
|
||
return ['body' => '', 'effective_url' => '', 'redirect_count' => 0, 'fail' => true];
|
||
}
|
||
curl_setopt_array($ch, [
|
||
CURLOPT_URL => $url,
|
||
CURLOPT_HTTPHEADER => ['Accept: ' . $accept],
|
||
CURLOPT_USERAGENT => FRESHRSS_USERAGENT,
|
||
CURLOPT_CONNECTTIMEOUT => $feed_timeout > 0 ? $feed_timeout : $limits['timeout'],
|
||
CURLOPT_TIMEOUT => $feed_timeout > 0 ? $feed_timeout : $limits['timeout'],
|
||
CURLOPT_MAXREDIRS => 4,
|
||
CURLOPT_RETURNTRANSFER => true,
|
||
CURLOPT_FOLLOWLOCATION => true,
|
||
CURLOPT_ENCODING => '', //Enable all encodings
|
||
//CURLOPT_VERBOSE => 1, // To debug sent HTTP headers
|
||
]);
|
||
|
||
$responseHeaders = '';
|
||
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function (\CurlHandle $ch, string $header) use (&$responseHeaders) {
|
||
if (trim($header) !== '') { // Skip e.g. separation with trailer headers
|
||
$responseHeaders .= $header;
|
||
}
|
||
return strlen($header);
|
||
});
|
||
|
||
curl_setopt_array($ch, FreshRSS_Context::systemConf()->curl_options);
|
||
|
||
if (is_array($attributes['curl_params'] ?? null)) {
|
||
$options = sanitizeCurlParams($attributes['curl_params']);
|
||
if (is_array($options[CURLOPT_HTTPHEADER] ?? null)) {
|
||
// Remove headers problematic for security
|
||
$options[CURLOPT_HTTPHEADER] = array_filter($options[CURLOPT_HTTPHEADER],
|
||
fn($header) => is_string($header) && !preg_match('/^(Remote-User|X-WebAuth-User)\\s*:/i', $header));
|
||
// Add Accept header if it is not set
|
||
if (preg_grep('/^Accept\\s*:/i', $options[CURLOPT_HTTPHEADER]) === false) {
|
||
$options[CURLOPT_HTTPHEADER][] = 'Accept: ' . $accept;
|
||
}
|
||
}
|
||
curl_setopt_array($ch, $options);
|
||
}
|
||
|
||
if (isset($attributes['ssl_verify'])) {
|
||
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, empty($attributes['ssl_verify']) ? 0 : 2);
|
||
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (bool)$attributes['ssl_verify']);
|
||
if (empty($attributes['ssl_verify'])) {
|
||
curl_setopt($ch, CURLOPT_SSL_CIPHER_LIST, 'DEFAULT@SECLEVEL=1');
|
||
}
|
||
}
|
||
|
||
curl_setopt_array($ch, $curl_options);
|
||
|
||
$body = curl_exec($ch);
|
||
$c_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
|
||
$c_content_type = '' . curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
|
||
$c_effective_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
|
||
$c_redirect_count = curl_getinfo($ch, CURLINFO_REDIRECT_COUNT);
|
||
$c_error = curl_error($ch);
|
||
|
||
$headers = [];
|
||
if ($body !== false) {
|
||
assert($c_redirect_count >= 0);
|
||
$responseHeaders = \SimplePie\HTTP\Parser::prepareHeaders($responseHeaders, $c_redirect_count + 1);
|
||
$parser = new \SimplePie\HTTP\Parser($responseHeaders);
|
||
if ($parser->parse()) {
|
||
$headers = $parser->headers;
|
||
}
|
||
}
|
||
|
||
$fail = $c_status != 200 || $c_error != '' || $body === false;
|
||
if ($fail) {
|
||
$body = '';
|
||
Minz_Log::warning('Error fetching content: HTTP code ' . $c_status . ': ' . $c_error . ' ' . $url);
|
||
if (in_array($c_status, [429, 503], true)) {
|
||
$retryAfter = FreshRSS_http_Util::setRetryAfter($url, $headers['retry-after'] ?? '');
|
||
if ($c_status === 429) {
|
||
$errorMessage = 'HTTP 429 Too Many Requests! [' . \SimplePie\Misc::url_remove_credentials($url) . ']';
|
||
} elseif ($c_status === 503) {
|
||
$errorMessage = 'HTTP 503 Service Unavailable! [' . \SimplePie\Misc::url_remove_credentials($url) . ']';
|
||
}
|
||
if ($retryAfter > 0) {
|
||
$errorMessage .= ' We may retry after ' . date('c', $retryAfter);
|
||
}
|
||
}
|
||
// TODO: Implement HTTP 410 Gone
|
||
} elseif (!is_string($body) || strlen($body) === 0) {
|
||
$body = '';
|
||
} else {
|
||
if (in_array($type, ['html', 'json', 'opml', 'xml'], true)) {
|
||
$body = trim($body, " \n\r\t\v"); // Do not trim \x00 to avoid breaking a BOM
|
||
}
|
||
if (in_array($type, ['html', 'xml', 'opml'], true)) {
|
||
$body = enforceHttpEncoding($body, $c_content_type);
|
||
}
|
||
if (in_array($type, ['html'], true)) {
|
||
$body = enforceHtmlBase($body, $c_effective_url);
|
||
}
|
||
}
|
||
|
||
if (file_put_contents($cachePath, $body) === false) {
|
||
Minz_Log::warning("Error saving cache $cachePath for $url");
|
||
}
|
||
|
||
return ['body' => $body, 'effective_url' => $c_effective_url, 'redirect_count' => $c_redirect_count, 'fail' => $fail];
|
||
}
|
||
|
||
/**
|
||
* Validate an email address, supports internationalized addresses.
|
||
*
|
||
* @param string $email The address to validate
|
||
* @return bool true if email is valid, else false
|
||
*/
|
||
function validateEmailAddress(string $email): bool {
|
||
$mailer = new PHPMailer\PHPMailer\PHPMailer();
|
||
$mailer->CharSet = 'utf-8';
|
||
$punyemail = $mailer->punyencodeAddress($email);
|
||
return PHPMailer\PHPMailer\PHPMailer::validateAddress($punyemail, 'html5');
|
||
}
|
||
|
||
/**
|
||
* 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);
|
||
}
|
||
|
||
/**
|
||
* @return list<string>
|
||
*/
|
||
function listUsers(): array {
|
||
$final_list = [];
|
||
$base_path = join_path(DATA_PATH, 'users');
|
||
$dir_list = array_values(array_diff(
|
||
scandir($base_path) ?: [],
|
||
['..', '.', Minz_User::INTERNAL_USER]
|
||
));
|
||
foreach ($dir_list as $file) {
|
||
if ($file[0] !== '.' && is_dir(join_path($base_path, $file)) && file_exists(join_path($base_path, $file, 'config.php'))) {
|
||
$final_list[] = $file;
|
||
}
|
||
}
|
||
return $final_list;
|
||
}
|
||
|
||
|
||
/**
|
||
* Return if the maximum number of registrations has been reached.
|
||
* Note a max_registrations of 0 means there is no limit.
|
||
*
|
||
* @return bool true if number of users >= max registrations, false else.
|
||
*/
|
||
function max_registrations_reached(): bool {
|
||
$limit_registrations = FreshRSS_Context::systemConf()->limits['max_registrations'];
|
||
$number_accounts = count(listUsers());
|
||
|
||
return $limit_registrations > 0 && $number_accounts >= $limit_registrations;
|
||
}
|
||
|
||
|
||
/**
|
||
* Register and return the configuration for a given user.
|
||
*
|
||
* Note this function has been created to generate temporary configuration
|
||
* objects. If you need a long-time configuration, please don't use this function.
|
||
*
|
||
* @param string $username the name of the user of which we want the configuration.
|
||
* @return FreshRSS_UserConfiguration|null object, or null if the configuration cannot be loaded.
|
||
* @throws Minz_ConfigurationNamespaceException
|
||
*/
|
||
function get_user_configuration(string $username): ?FreshRSS_UserConfiguration {
|
||
if (!FreshRSS_user_Controller::checkUsername($username)) {
|
||
return null;
|
||
}
|
||
$namespace = 'user_' . $username;
|
||
try {
|
||
FreshRSS_UserConfiguration::register($namespace,
|
||
USERS_PATH . '/' . $username . '/config.php',
|
||
FRESHRSS_PATH . '/config-user.default.php');
|
||
} catch (Minz_FileNotExistException $e) {
|
||
Minz_Log::warning($e->getMessage(), ADMIN_LOG);
|
||
return null;
|
||
}
|
||
|
||
$user_conf = FreshRSS_UserConfiguration::get($namespace);
|
||
return $user_conf;
|
||
}
|
||
|
||
/**
|
||
* Converts an IP (v4 or v6) to a binary representation using inet_pton
|
||
*
|
||
* @param string $ip the IP to convert
|
||
* @return string a binary representation of the specified IP
|
||
*/
|
||
function ipToBits(string $ip): string {
|
||
$binaryip = '';
|
||
foreach (str_split(inet_pton($ip) ?: '') as $char) {
|
||
$binaryip .= str_pad(decbin(ord($char)), 8, '0', STR_PAD_LEFT);
|
||
}
|
||
return $binaryip;
|
||
}
|
||
|
||
/**
|
||
* Check if an ip belongs to the provided range (in CIDR format)
|
||
*
|
||
* @param string $ip the IP that we want to verify (ex: 192.168.16.1)
|
||
* @param string $range the range to check against (ex: 192.168.16.0/24)
|
||
* @return bool true if the IP is in the range, otherwise false
|
||
*/
|
||
function checkCIDR(string $ip, string $range): bool {
|
||
$binary_ip = ipToBits($ip);
|
||
$split = explode('/', $range);
|
||
|
||
$subnet = $split[0] ?? '';
|
||
if ($subnet == '') {
|
||
return false;
|
||
}
|
||
$binary_subnet = ipToBits($subnet);
|
||
|
||
$mask_bits = $split[1] ?? '';
|
||
$mask_bits = (int)$mask_bits;
|
||
if ($mask_bits === 0) {
|
||
$mask_bits = null;
|
||
}
|
||
|
||
$ip_net_bits = substr($binary_ip, 0, $mask_bits);
|
||
$subnet_bits = substr($binary_subnet, 0, $mask_bits);
|
||
return $ip_net_bits === $subnet_bits;
|
||
}
|
||
|
||
/**
|
||
* Use CONN_REMOTE_ADDR (if available, to be robust even when using Apache mod_remoteip) or REMOTE_ADDR environment variable to determine the connection IP.
|
||
*/
|
||
function connectionRemoteAddress(): string {
|
||
$remoteIp = is_string($_SERVER['CONN_REMOTE_ADDR'] ?? null) ? $_SERVER['CONN_REMOTE_ADDR'] : '';
|
||
if ($remoteIp == '') {
|
||
$remoteIp = is_string($_SERVER['REMOTE_ADDR'] ?? null) ? $_SERVER['REMOTE_ADDR'] : '';
|
||
}
|
||
if ($remoteIp == 0) {
|
||
$remoteIp = '';
|
||
}
|
||
return $remoteIp;
|
||
}
|
||
|
||
/**
|
||
* Check if the client (e.g. last proxy) is allowed to send unsafe headers.
|
||
* This uses the `TRUSTED_PROXY` environment variable or the `trusted_sources` configuration option to get an array of the authorized ranges,
|
||
* The connection IP is obtained from the `CONN_REMOTE_ADDR` (if available, to be robust even when using Apache mod_remoteip) or `REMOTE_ADDR` environment variables.
|
||
* @return bool true if the sender’s IP is in one of the ranges defined in the configuration, else false
|
||
*/
|
||
function checkTrustedIP(): bool {
|
||
if (!FreshRSS_Context::hasSystemConf()) {
|
||
return false;
|
||
}
|
||
$remoteIp = connectionRemoteAddress();
|
||
if ($remoteIp === '') {
|
||
return false;
|
||
}
|
||
$trusted = getenv('TRUSTED_PROXY');
|
||
if ($trusted != 0 && is_string($trusted)) {
|
||
$trusted = preg_split('/\s+/', $trusted, -1, PREG_SPLIT_NO_EMPTY);
|
||
}
|
||
if (!is_array($trusted) || empty($trusted)) {
|
||
$trusted = FreshRSS_Context::systemConf()->trusted_sources;
|
||
}
|
||
foreach ($trusted as $cidr) {
|
||
if (checkCIDR($remoteIp, $cidr)) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
function httpAuthUser(bool $onlyTrusted = true): string {
|
||
$auths = array_unique(array_intersect_key($_SERVER, ['REMOTE_USER' => '', 'REDIRECT_REMOTE_USER' => '', 'HTTP_REMOTE_USER' => '', 'HTTP_X_WEBAUTH_USER' => '']));
|
||
if (count($auths) > 1) {
|
||
Minz_Log::warning('Multiple HTTP authentication headers!');
|
||
return '';
|
||
}
|
||
|
||
if (!empty($_SERVER['REMOTE_USER']) && is_string($_SERVER['REMOTE_USER'])) {
|
||
return $_SERVER['REMOTE_USER'];
|
||
}
|
||
if (!empty($_SERVER['REDIRECT_REMOTE_USER']) && is_string($_SERVER['REDIRECT_REMOTE_USER'])) {
|
||
return $_SERVER['REDIRECT_REMOTE_USER'];
|
||
}
|
||
if (!$onlyTrusted || checkTrustedIP()) {
|
||
if (!empty($_SERVER['HTTP_REMOTE_USER']) && is_string($_SERVER['HTTP_REMOTE_USER'])) {
|
||
return $_SERVER['HTTP_REMOTE_USER'];
|
||
}
|
||
if (!empty($_SERVER['HTTP_X_WEBAUTH_USER']) && is_string($_SERVER['HTTP_X_WEBAUTH_USER'])) {
|
||
return $_SERVER['HTTP_X_WEBAUTH_USER'];
|
||
}
|
||
}
|
||
return '';
|
||
}
|
||
|
||
function cryptAvailable(): bool {
|
||
$hash = '$2y$04$usesomesillystringfore7hnbRJHxXVLeakoG8K30oukPsA.ztMG';
|
||
return $hash === @crypt('password', $hash);
|
||
}
|
||
|
||
|
||
/**
|
||
* Check PHP and its extensions are well-installed.
|
||
*
|
||
* @return array<string,bool> of tested values.
|
||
*/
|
||
function check_install_php(): array {
|
||
$pdo_mysql = extension_loaded('pdo_mysql');
|
||
$pdo_pgsql = extension_loaded('pdo_pgsql');
|
||
$pdo_sqlite = extension_loaded('pdo_sqlite');
|
||
return [
|
||
'php' => version_compare(PHP_VERSION, FRESHRSS_MIN_PHP_VERSION) >= 0,
|
||
'curl' => extension_loaded('curl'),
|
||
'pdo' => $pdo_mysql || $pdo_sqlite || $pdo_pgsql,
|
||
'pcre' => extension_loaded('pcre'),
|
||
'ctype' => extension_loaded('ctype'),
|
||
'fileinfo' => extension_loaded('fileinfo'),
|
||
'dom' => class_exists('DOMDocument'),
|
||
'json' => extension_loaded('json'),
|
||
'mbstring' => extension_loaded('mbstring'),
|
||
'zip' => extension_loaded('zip'),
|
||
];
|
||
}
|
||
|
||
/**
|
||
* Check different data files and directories exist.
|
||
* @return array<string,bool> of tested values.
|
||
*/
|
||
function check_install_files(): array {
|
||
return [
|
||
'data' => is_dir(DATA_PATH) && touch(DATA_PATH . '/index.html'), // is_writable() is not reliable for a folder on NFS
|
||
'cache' => is_dir(CACHE_PATH) && touch(CACHE_PATH . '/index.html'),
|
||
'users' => is_dir(USERS_PATH) && touch(USERS_PATH . '/index.html'),
|
||
'favicons' => is_dir(DATA_PATH) && touch(DATA_PATH . '/favicons/index.html'),
|
||
'tokens' => is_dir(DATA_PATH) && touch(DATA_PATH . '/tokens/index.html'),
|
||
];
|
||
}
|
||
|
||
/**
|
||
* Check database is well-installed.
|
||
*
|
||
* @return array<string,bool> of tested values.
|
||
*/
|
||
function check_install_database(): array {
|
||
$status = [
|
||
'connection' => true,
|
||
'tables' => false,
|
||
'categories' => false,
|
||
'feeds' => false,
|
||
'entries' => false,
|
||
'entrytmp' => false,
|
||
'tag' => false,
|
||
'entrytag' => false,
|
||
];
|
||
|
||
try {
|
||
$dbDAO = FreshRSS_Factory::createDatabaseDAO();
|
||
|
||
$status['tables'] = $dbDAO->tablesAreCorrect();
|
||
$status['categories'] = $dbDAO->categoryIsCorrect();
|
||
$status['feeds'] = $dbDAO->feedIsCorrect();
|
||
$status['entries'] = $dbDAO->entryIsCorrect();
|
||
$status['entrytmp'] = $dbDAO->entrytmpIsCorrect();
|
||
$status['tag'] = $dbDAO->tagIsCorrect();
|
||
$status['entrytag'] = $dbDAO->entrytagIsCorrect();
|
||
} catch (Minz_PDOConnectionException $e) {
|
||
$status['connection'] = false;
|
||
}
|
||
|
||
return $status;
|
||
}
|
||
|
||
/**
|
||
* 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);
|
||
}
|
||
|
||
/**
|
||
* Remove queries where $get is appearing.
|
||
* @param string $get the get attribute which should be removed.
|
||
* @param array<int,array{get?:string,name?:string,order?:string,search?:string,state?:int,url?:string,token?:string,
|
||
* shareRss?:bool,shareOpml?:bool,description?:string,imageUrl?:string}> $queries an array of queries.
|
||
* @return array<int,array{get?:string,name?:string,order?:string,search?:string,state?:int,url?:string,token?:string,
|
||
* shareRss?:bool,shareOpml?:bool,description?:string,imageUrl?:string}> without queries where $get is appearing.
|
||
*/
|
||
function remove_query_by_get(string $get, array $queries): array {
|
||
$final_queries = [];
|
||
foreach ($queries as $query) {
|
||
if (empty($query['get']) || $query['get'] !== $get) {
|
||
$final_queries[] = $query;
|
||
}
|
||
}
|
||
return $final_queries;
|
||
}
|
||
|
||
function _i(string $icon, int $type = FreshRSS_Themes::ICON_DEFAULT): string {
|
||
return FreshRSS_Themes::icon($icon, $type);
|
||
}
|
||
|
||
|
||
const SHORTCUT_KEYS = [
|
||
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
|
||
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
|
||
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
|
||
'F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9', 'F10', 'F11', 'F12',
|
||
'ArrowDown', 'ArrowLeft', 'ArrowRight', 'ArrowUp', 'Backspace', 'Delete',
|
||
'End', 'Enter', 'Escape', 'Home', 'Insert', 'PageDown', 'PageUp', 'Space', 'Tab',
|
||
];
|
||
|
||
/**
|
||
* @param array<string> $shortcuts
|
||
* @return list<string>
|
||
*/
|
||
function getNonStandardShortcuts(array $shortcuts): array {
|
||
$standard = strtolower(implode(' ', SHORTCUT_KEYS));
|
||
|
||
$nonStandard = array_filter($shortcuts, static function (string $shortcut) use ($standard) {
|
||
$shortcut = trim($shortcut);
|
||
return $shortcut !== '' && stripos($standard, $shortcut) === false;
|
||
});
|
||
|
||
return array_values($nonStandard);
|
||
}
|
||
|
||
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);
|
||
|
||
$message = "<h2>{$message}</h2>";
|
||
$details = "<pre>{$details}</pre>";
|
||
}
|
||
|
||
header("Content-Security-Policy: default-src 'self'; frame-ancestors " .
|
||
(FreshRSS_Context::systemConf()->attributeString('csp.frame-ancestors') ?? "'none'"));
|
||
header('Referrer-Policy: same-origin');
|
||
|
||
return <<<MSG
|
||
<!DOCTYPE html><html><header><title>HTTP 500: {$errorTitle}</title></header><body>
|
||
<h1>HTTP 500: {$errorTitle}</h1>
|
||
{$message}
|
||
{$details}
|
||
<hr />
|
||
<small>For help see the documentation: <a href="https://freshrss.github.io/FreshRSS/en/admins/logs_and_errors.html" target="_blank">
|
||
https://freshrss.github.io/FreshRSS/en/admins/logs_and_errors.html</a></small>
|
||
</body></html>
|
||
MSG;
|
||
}
|