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<?php |
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namespace suda\framework\request; |
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use function array_key_exists; |
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use suda\framework\http\Request as RawRequest; |
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/** |
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* 请求包装器 |
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* 包装PHP请求 |
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*/ |
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class Builder |
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{ |
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/** |
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* HTTP请求 |
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* |
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* @var RawRequest |
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*/ |
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protected $request; |
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/** |
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* @var array |
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*/ |
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protected $server; |
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/** |
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* 创建请求包装器 |
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* |
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* @param RawRequest $request |
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*/ |
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public function __construct(RawRequest $request) |
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{ |
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$this->request = $request; |
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$this->server = $this->getFormatServer($request); |
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} |
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/** |
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* 构建对象 |
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* |
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* @param RequestWrapper $request |
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* @return void |
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*/ |
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public function build(RequestWrapper $request) |
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{ |
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$request->setServer($this->server); |
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$request->setRemoteAddr($this->parseRemoteAddr()); |
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$method = strtoupper($request->getServer('request-method', 'GET')); |
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$request->setMethod($method); |
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$request->setHost($this->getHttpHost()); |
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$request->setSecure($this->getSecure()); |
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$request->setPort($this->getServerPort()); |
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$this->createUri($request); |
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$request->setUriBase(static::createUriBase($request)); |
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} |
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/** |
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* 获取IP地址 |
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* |
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* @return string |
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*/ |
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private function parseRemoteAddr():string |
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{ |
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static $ipFrom = [ |
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'http-x-real-ip', // For Nginx |
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'http-client-ip', |
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'http-x-forwarded-for', |
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'http-x-forwarded', |
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'http-x-cluster-client-ip', |
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'http-forwarded-for', |
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'http-forwarded', |
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'remote-addr', |
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]; |
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foreach ($ipFrom as $key) { |
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if (array_key_exists($key, $this->server)) { |
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$ip = $this->parseIpAddress($this->server[$key]); |
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if ($ip !== null) { |
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return $ip; |
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} |
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} |
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} |
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return '0.0.0.0'; |
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} |
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/** |
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* 解析IP字段 |
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* @param string $value |
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* @return string|null |
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*/ |
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private function parseIpAddress(string $value) |
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{ |
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$ipPart = explode(',', $value); |
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$options = FILTER_FLAG_IPV4 |
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| FILTER_FLAG_IPV6 |
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| FILTER_FLAG_NO_PRIV_RANGE |
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| FILTER_FLAG_NO_RES_RANGE; |
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foreach ($ipPart as $ip) { |
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$ip = trim($ip); |
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if (filter_var($ip, FILTER_VALIDATE_IP, $options) !== false) { |
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return $ip; |
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} |
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} |
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return null; |
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} |
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/** |
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* 从请求投中获取HOST |
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* |
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* @return string |
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*/ |
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private function getHttpHost():string |
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{ |
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if (array_key_exists('host', $this->request->header())) { |
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return explode(':', $this->request->header()['host'])[0]; |
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} |
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return $this->server['server-name'] ?? 'localhost'; |
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} |
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/** |
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* 获取端口 |
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* |
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* @return integer |
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*/ |
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private function getServerPort():int |
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{ |
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if (array_key_exists('server-port', $this->server)) { |
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return $this->server['server-port']; |
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} |
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return $this->getSecure()?443:80; |
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} |
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/** |
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* 获取安全状态 |
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* |
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* @return boolean |
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*/ |
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private function getSecure():bool |
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{ |
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$https = array_key_exists('https', $this->server) |
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&& strcasecmp($this->server['https'], 'off') != 0; |
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$scheme = array_key_exists('request-scheme', $this->server) |
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&& strcasecmp($this->server['request-scheme'], 'https') === 0; |
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return $https || $scheme; |
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} |
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/** |
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* 创建URI |
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* |
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* @param RequestWrapper $request |
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* @return void |
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*/ |
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private function createUri(RequestWrapper $request) |
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{ |
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if (array_key_exists('document-root', $this->server)) { |
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$index = (new IndexFinder(null, $this->server['document-root']))->getIndexFile(); |
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} else { |
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$index = ''; |
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} |
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$request->setIndex($index); |
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$url = new UriParser($this->server['request-uri'] ?? '/', $index); |
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$request->setQueries($url->getQuery()); |
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$request->setUri($url->getUri()); |
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} |
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/** |
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* 获取URI基础部分 |
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* |
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* @param RequestWrapper $request |
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* @return string |
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*/ |
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public static function createUriBase(RequestWrapper $request) |
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{ |
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$scheme = $request->isSecure()?'https':'http'; |
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$port = $request->getPort(); |
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if ($port == 80 && $scheme == 'http') { |
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$port = ''; |
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} elseif ($port == 433 && $scheme == 'https') { |
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$port = ''; |
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} else { |
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$port = ':'.$port; |
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} |
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$base = $scheme.'://'. $request->getHost().$port; |
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return $base; |
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} |
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/** |
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* 构建环境数据 |
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* |
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* @param RawRequest $request |
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* @return array |
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*/ |
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private function getFormatServer(RawRequest $request) |
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{ |
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$server = []; |
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foreach ($request->server() as $key => $value) { |
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$name = strtolower(str_replace('_', '-', $key)); |
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$server[$name] = $value; |
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} |
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return $server; |
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} |
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} |
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dxkite /
suda
