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<?php |
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declare(strict_types=1); |
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namespace POData\OperationContext\Web; |
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use POData\Common\ODataConstants; |
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use POData\HttpProcessUtility; |
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use POData\OperationContext\HTTPRequestMethod; |
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use POData\OperationContext\IHTTPRequest; |
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/** |
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* Class IncomingRequest |
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* Class represents HTTP methods,headers and stream associated with a HTTP request |
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* Note: This class will not throw any error. |
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*/ |
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class IncomingRequest implements IHTTPRequest |
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{ |
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/** |
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* The request headers. |
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* |
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* @var array |
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*/ |
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private $headers = []; |
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/** |
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* The incoming url in raw format. |
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* |
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* @var string|null |
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*/ |
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private $rawUrl = null; |
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/** |
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* The request method (GET, POST, PUT, DELETE or MERGE). |
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* |
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* @var HTTPRequestMethod HttpVerb |
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*/ |
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private $method; |
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/** |
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* The query options as key value. |
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* |
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* @var array(string, string); |
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*/ |
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private $queryOptions = []; |
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/** |
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* A collection that represents mapping between query option and its count. |
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* |
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* @var array(string, int) |
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*/ |
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private $queryOptionsCount = []; |
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/** |
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* The raw query string. |
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* |
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* @var string|null; |
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*/ |
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private $queryString = null; |
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/** |
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* The raw input. |
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* |
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* @var string|null; |
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*/ |
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private $rawInput = null; |
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/** |
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* Initialize a new instance of IHTTPRequest. |
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* |
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* @param HttpRequestMethod|null $method |
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* @param array $queryOptions |
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* @param array $queryOptionsCount |
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* @param array $headers |
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* @param string|null $queryString |
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* @param string|null $rawInput |
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* @param string|null $rawUrl |
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*/ |
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public function __construct( |
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HTTPRequestMethod $method = null, |
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array $queryOptions = [], |
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array $queryOptionsCount = [], |
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array $headers = [], |
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string $queryString = null, |
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string $rawInput = null, |
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string $rawUrl = null |
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) { |
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$this->method = $method ?? new HTTPRequestMethod($_SERVER['REQUEST_METHOD']); |
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$this->queryOptions = $queryOptions; |
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$this->queryOptionsCount = $queryOptionsCount; |
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$this->headers = $headers; |
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$this->queryString = $queryString; |
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$this->rawInput = $rawInput; |
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$this->rawUrl = $rawUrl; |
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} |
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/** |
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* get the raw incoming url. |
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* |
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* @return string RequestURI called by User with the value of QueryString |
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*/ |
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public function getRawUrl(): string |
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{ |
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if (null === $this->rawUrl) { |
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$rawProtocol = $_SERVER[ODataConstants::HTTPREQUEST_PROTOCOL] ?? ''; |
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if (false === stripos($rawProtocol, 'HTTPS')) { |
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$this->rawUrl = ODataConstants::HTTPREQUEST_PROTOCOL_HTTP; |
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} else { |
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$this->rawUrl = ODataConstants::HTTPREQUEST_PROTOCOL_HTTPS; |
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} |
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$rawHost = $_SERVER[HttpProcessUtility::headerToServerKey(ODataConstants::HTTPREQUEST_HEADER_HOST)] ?? ''; |
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$rawUri = $_SERVER[ODataConstants::HTTPREQUEST_URI] ?? ''; |
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$this->rawUrl .= '://' . $rawHost; |
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$this->rawUrl .= utf8_decode(urldecode($rawUri)); |
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} |
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return $this->rawUrl; |
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} |
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/** |
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* get the specific request headers. |
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* |
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* @param string $key The header name |
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* |
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* @return string|null value of the header, NULL if header is absent |
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*/ |
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public function getRequestHeader(string $key): ?string |
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{ |
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if (0 == count($this->headers)) { |
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$this->getHeaders(); |
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} |
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//PHP normalizes header keys |
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$trimmedKey = HttpProcessUtility::headerToServerKey(trim($key)); |
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if (array_key_exists($trimmedKey, $this->headers)) { |
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return $this->headers[$trimmedKey]; |
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} |
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return null; |
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} |
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/** |
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* Get the request headers |
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* By-default we will get the following headers: |
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* HTTP_HOST |
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* HTTP_USER_AGENT |
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* HTTP_ACCEPT |
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* HTTP_ACCEPT_LANGUAGE |
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* HTTP_ACCEPT_ENCODING |
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* HTTP_ACCEPT_CHARSET |
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* HTTP_KEEP_ALIVE |
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* HTTP_CONNECTION, |
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* HTTP_CACHE_CONTROL |
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* HTTP_USER_AGENT |
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* HTTP_IF_MATCH |
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* HTTP_IF_NONE_MATCH |
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* HTTP_IF_MODIFIED |
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* HTTP_IF_MATCH |
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* HTTP_IF_NONE_MATCH |
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* HTTP_IF_UNMODIFIED_SINCE |
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* //TODO: these aren't really headers... |
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* REQUEST_URI |
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* REQUEST_METHOD |
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* REQUEST_TIME |
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* SERVER_NAME |
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* SERVER_PORT |
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* SERVER_PORT_SECURE |
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* SERVER_PROTOCOL |
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* SERVER_SOFTWARE |
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* CONTENT_TYPE |
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* CONTENT_LENGTH |
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* We may get user defined customized headers also like |
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* HTTP_DATASERVICEVERSION, HTTP_MAXDATASERVICEVERSION. |
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* |
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* @return string[] |
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*/ |
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private function getHeaders(): array |
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{ |
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if (0 == count($this->headers)) { |
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$this->headers = []; |
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foreach ($_SERVER as $key => $value) { |
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if ((0 === strpos($key, 'HTTP_')) |
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|| (0 === strpos($key, 'REQUEST_')) |
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|| (0 === strpos($key, 'SERVER_')) |
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|| (0 === strpos($key, 'CONTENT_')) |
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) { |
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$trimmedValue = trim(strval($value)); |
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$this->headers[$key] = isset($trimmedValue) ? $trimmedValue : null; |
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} |
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} |
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} |
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return $this->headers; |
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} |
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/** |
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* Split the QueryString and assigns them as array element in KEY=VALUE. |
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* |
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* @return string[]|array[] |
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*/ |
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public function getQueryParameters(): array |
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{ |
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if (0 == count($this->queryOptions)) { |
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$queryString = $this->getQueryString(); |
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$this->queryOptions = []; |
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foreach (explode('&', $queryString) as $queryOptionAsString) { |
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$queryOptionAsString = trim($queryOptionAsString); |
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if (!empty($queryOptionAsString)) { |
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$result = explode('=', $queryOptionAsString, 2); |
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$isNamedOptions = 2 == count($result); |
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$rawUrl = rawurldecode($result[0]); |
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if ($isNamedOptions) { |
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$this->queryOptions[] = [$rawUrl => trim(rawurldecode($result[1]))]; |
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} else { |
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$this->queryOptions[] = [null => trim($rawUrl)]; |
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} |
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} |
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} |
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} |
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return $this->queryOptions; |
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} |
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/** |
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* Get the QUERY_STRING |
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* Note: This method will return empty string if no query string present. |
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* |
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* @return string $_header[HttpRequestHeaderQueryString] |
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*/ |
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private function getQueryString(): string |
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{ |
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if (null === $this->queryString) { |
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if (array_key_exists(ODataConstants::HTTPREQUEST_QUERY_STRING, $_SERVER)) { |
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$rawString = $_SERVER[ODataConstants::HTTPREQUEST_QUERY_STRING] ?? ''; |
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$this->queryString = utf8_decode(trim($rawString)); |
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} else { |
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$this->queryString = ''; |
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} |
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} |
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return $this->queryString; |
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} |
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/** |
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* Get the HTTP method |
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* Value will be set from the value of the HTTP method of the |
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* incoming Web request. |
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* |
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* @return HTTPRequestMethod $_header[HttpRequestHeaderMethod] |
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*/ |
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public function getMethod(): HTTPRequestMethod |
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{ |
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return $this->method; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getAllInput(): ?string |
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{ |
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if (null === $this->rawInput) { |
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$this->rawInput = file_get_contents('php://input'); |
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} |
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return $this->rawInput; |
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} |
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/** |
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* @param string $contentID |
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*/ |
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public function applyContentID(string $contentID, string $contentIdValue): void |
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{ |
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$this->rawInput = str_replace('$' . $contentID, $contentIdValue, $this->rawInput); |
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$this->rawUrl = str_replace('$' . $contentID, $contentIdValue, $this->rawUrl); |
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} |
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} |
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