104 lines
2.8 KiB
PHP
104 lines
2.8 KiB
PHP
<?php
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/**
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* Request represents an incoming HTTP request
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*/
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class Request
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{
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public string $method;
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public string $uri;
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public string $path;
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public string $query;
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public array $headers;
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public string $body;
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public array $params = [];
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public array $queryParams = [];
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public array $postData = [];
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public array $cookies;
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/**
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* __construct creates a new Request from PHP globals
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*/
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public function __construct()
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{
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$this->method = $_SERVER['REQUEST_METHOD'] ?? 'GET';
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$this->uri = $_SERVER['REQUEST_URI'] ?? '/';
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$urlParts = parse_url($this->uri);
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$this->path = $urlParts['path'] ?? '/';
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$this->query = $urlParts['query'] ?? '';
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parse_str($this->query, $this->queryParams);
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$this->headers = $this->parseHeaders();
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$this->body = file_get_contents('php://input') ?: '';
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$this->cookies = $_COOKIE ?? [];
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if ($this->method === 'POST' && $this->contentType() === 'application/x-www-form-urlencoded') {
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parse_str($this->body, $this->postData);
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} elseif ($this->method === 'POST' && str_contains($this->contentType(), 'multipart/form-data')) {
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$this->postData = $_POST ?? [];
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}
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}
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/**
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* parseHeaders extracts HTTP headers from $_SERVER
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*/
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private function parseHeaders(): array
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{
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$headers = [];
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foreach ($_SERVER as $key => $value) {
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if (str_starts_with($key, 'HTTP_')) {
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$header = str_replace('_', '-', substr($key, 5));
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$headers[strtolower($header)] = $value;
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}
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}
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if (isset($_SERVER['CONTENT_TYPE'])) $headers['content-type'] = $_SERVER['CONTENT_TYPE'];
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if (isset($_SERVER['CONTENT_LENGTH'])) $headers['content-length'] = $_SERVER['CONTENT_LENGTH'];
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return $headers;
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}
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/**
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* header returns the value of the specified header
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*/
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public function header(string $name): ?string
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{
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return $this->headers[strtolower($name)] ?? null;
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}
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/**
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* contentType returns the content type without charset
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*/
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public function contentType(): string
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{
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$contentType = $this->header('content-type') ?? '';
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return explode(';', $contentType)[0];
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}
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/**
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* json decodes the request body as JSON
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*/
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public function json(): mixed
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{
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return json_decode($this->body, true);
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}
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/**
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* cookie returns the value of the specified cookie
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*/
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public function cookie(string $name): ?string
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{
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return $this->cookies[$name] ?? null;
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}
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/**
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* param returns a parameter from route params, query params, or post data
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*/
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public function param(string $name): mixed
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{
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return $this->params[$name] ?? $this->queryParams[$name] ?? $this->postData[$name] ?? null;
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}
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}
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