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<?php |
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namespace Tomaj\NetteApi\Params; |
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use Exception; |
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class InputParam implements ParamInterface |
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{ |
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const TYPE_POST = 'POST'; |
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const TYPE_GET = 'GET'; |
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const TYPE_PUT = 'PUT'; |
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const TYPE_FILE = 'FILE'; |
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const TYPE_COOKIE = 'COOKIE'; |
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const TYPE_POST_RAW = 'POST_RAW'; |
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const TYPE_POST_JSON_KEY = 'POST_JSON_KEY'; |
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const OPTIONAL = false; |
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const REQUIRED = true; |
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/** |
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* @var string |
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*/ |
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private $type; |
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/** |
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* @var string |
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*/ |
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private $key; |
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/** |
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* @var bool |
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*/ |
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private $required; |
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/** |
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* @var array|null |
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*/ |
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private $availableValues; |
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/** |
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* @var bool |
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*/ |
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private $multi; |
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public function __construct(string $type, string $key, bool $required = self::OPTIONAL, ?array $availableValues = null, bool $multi = false) |
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{ |
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$this->type = $type; |
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$this->key = $key; |
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$this->required = $required; |
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$this->availableValues = $availableValues; |
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$this->multi = $multi; |
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} |
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public function getType(): string |
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{ |
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return $this->type; |
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} |
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public function getKey(): string |
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{ |
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return $this->key; |
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} |
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public function isRequired(): bool |
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{ |
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return $this->required; |
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} |
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public function getAvailableValues(): ?array |
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{ |
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return $this->availableValues; |
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} |
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public function isMulti(): bool |
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{ |
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return $this->multi; |
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} |
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/** |
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* Check if actual value from environment is valid |
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* |
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* @return bool |
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* |
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* @throws Exception if actual InputParam has unsupported type |
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*/ |
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public function isValid(): bool |
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{ |
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if ($this->type === self::TYPE_POST_JSON_KEY) { |
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$input = file_get_contents("php://input"); |
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$params = json_decode($input, true); |
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if ($input && $params === null) { |
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return false; |
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} |
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} |
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if ($this->required === self::OPTIONAL) { |
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return true; |
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} |
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$value = $this->getValue(); |
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if ($this->availableValues !== null) { |
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if (is_array($this->availableValues)) { |
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return empty(array_diff(($this->isMulti() ? $value : [$value]), $this->availableValues)); |
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} |
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} |
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if ($this->required) { |
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if ($value === null || $value == '') { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Process environment variables like POST|GET|etc.. and return actual value |
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* |
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* @return mixed |
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* |
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* @throws Exception if actual InputParam has unsupported type |
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*/ |
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public function getValue() |
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{ |
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if ($this->type == self::TYPE_GET) { |
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if (!filter_has_var(INPUT_GET, $this->key) && isset($_GET[$this->key])) { |
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return $_GET[$this->key]; |
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} |
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if ($this->isMulti()) { |
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return filter_input(INPUT_GET, $this->key, FILTER_DEFAULT, FILTER_REQUIRE_ARRAY); |
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} |
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return filter_input(INPUT_GET, $this->key); |
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} |
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if ($this->type == self::TYPE_POST) { |
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if (!filter_has_var(INPUT_POST, $this->key) && isset($_POST[$this->key])) { |
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return $_POST[$this->key]; |
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} |
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if ($this->isMulti()) { |
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return filter_input(INPUT_POST, $this->key, FILTER_DEFAULT, FILTER_REQUIRE_ARRAY); |
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} |
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return filter_input(INPUT_POST, $this->key); |
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} |
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if ($this->type == self::TYPE_FILE) { |
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if (isset($_FILES[$this->key])) { |
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if ($this->isMulti()) { |
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return $this->processMultiFileUploads($_FILES[$this->key]); |
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} else { |
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return $_FILES[$this->key]; |
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} |
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} |
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return null; |
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} |
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if ($this->type == self::TYPE_COOKIE) { |
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if (isset($_COOKIE[$this->key])) { |
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return $_COOKIE[$this->key]; |
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} |
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} |
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if ($this->type == self::TYPE_POST_RAW) { |
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return file_get_contents("php://input"); |
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} |
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if ($this->type == self::TYPE_PUT) { |
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parse_str(file_get_contents("php://input"), $params); |
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if (isset($params[$this->key])) { |
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return $params[$this->key]; |
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} |
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return ''; |
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} |
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if ($this->type == self::TYPE_POST_JSON_KEY) { |
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$params = file_get_contents("php://input"); |
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$params = json_decode($params, true); |
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if (isset($params[$this->key])) { |
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return $params[$this->key]; |
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} |
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return ''; |
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} |
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throw new Exception('Invalid type'); |
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} |
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private function processMultiFileUploads($files) |
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{ |
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$result = []; |
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foreach ($files as $key => $values) { |
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foreach ($values as $index => $value) { |
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$result[$index][$key] = $value; |
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} |
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} |
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return $result; |
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} |
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} |
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tomaj /
nette-api
