mirror of https://github.com/danoloan10/rss-bridge
124 lines
3.2 KiB
PHP
124 lines
3.2 KiB
PHP
<?php
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final class HttpException extends \Exception
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{
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}
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final class Json
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{
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public static function encode($value): string
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{
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$flags = JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE;
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return \json_encode($value, $flags);
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}
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public static function decode(string $json, bool $assoc = true)
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{
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return \json_decode($json, $assoc, 512, JSON_THROW_ON_ERROR);
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}
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}
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function create_sane_stacktrace(\Throwable $e): array
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{
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$frames = array_reverse($e->getTrace());
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$frames[] = [
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'file' => $e->getFile(),
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'line' => $e->getLine(),
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];
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$stackTrace = [];
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foreach ($frames as $i => $frame) {
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$file = $frame['file'] ?? '(no file)';
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$line = $frame['line'] ?? '(no line)';
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$stackTrace[] = sprintf(
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'#%s %s:%s',
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$i,
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trim_path_prefix($file),
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$line,
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);
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}
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return $stackTrace;
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}
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/**
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* Trim path prefix for privacy/security reasons
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*
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* Example: "/var/www/rss-bridge/index.php" => "index.php"
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*/
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function trim_path_prefix(string $filePath): string
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{
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return mb_substr($filePath, mb_strlen(dirname(__DIR__)) + 1);
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}
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/**
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* This is buggy because strip tags removes a lot that isn't html
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*/
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function is_html(string $text): bool
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{
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return strlen(strip_tags($text)) !== strlen($text);
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}
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/**
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* Determines the MIME type from a URL/Path file extension.
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*
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* _Remarks_:
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*
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* * The built-in functions `mime_content_type` and `fileinfo` require fetching
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* remote contents.
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* * A caller can hint for a MIME type by appending `#.ext` to the URL (i.e. `#.image`).
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*
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* Based on https://stackoverflow.com/a/1147952
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*
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* @param string $url The URL or path to the file.
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* @return string The MIME type of the file.
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*/
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function parse_mime_type($url)
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{
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static $mime = null;
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if (is_null($mime)) {
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// Default values, overriden by /etc/mime.types when present
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$mime = [
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'jpg' => 'image/jpeg',
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'gif' => 'image/gif',
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'png' => 'image/png',
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'image' => 'image/*',
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'mp3' => 'audio/mpeg',
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];
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// '@' is used to mute open_basedir warning, see issue #818
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if (@is_readable('/etc/mime.types')) {
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$file = fopen('/etc/mime.types', 'r');
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while (($line = fgets($file)) !== false) {
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$line = trim(preg_replace('/#.*/', '', $line));
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if (!$line) {
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continue;
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}
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$parts = preg_split('/\s+/', $line);
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if (count($parts) == 1) {
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continue;
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}
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$type = array_shift($parts);
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foreach ($parts as $part) {
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$mime[$part] = $type;
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}
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}
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fclose($file);
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}
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}
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if (strpos($url, '?') !== false) {
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$url_temp = substr($url, 0, strpos($url, '?'));
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if (strpos($url, '#') !== false) {
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$anchor = substr($url, strpos($url, '#'));
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$url_temp .= $anchor;
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}
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$url = $url_temp;
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}
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$ext = strtolower(pathinfo($url, PATHINFO_EXTENSION));
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if (!empty($mime[$ext])) {
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return $mime[$ext];
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}
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return 'application/octet-stream';
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}
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