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<?php |
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namespace Subreality\Dilmun\Anshar\Http\UriParts; |
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use Subreality\Dilmun\Anshar\Utils\StringHelper; |
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/** |
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* Class AbstractUriPart |
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* @package Subreality\Dilmun\Anshar\Http\UriParts |
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*/ |
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abstract class AbstractUriPart implements UriPartInterface |
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{ |
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protected $unreserved_pattern = '\w\-\.~'; |
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protected $pct_encoded_pattern = '%[A-Fa-f0-9]{2}'; |
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protected $sub_delims_pattern = '\!\$&\'\(\)\*\+,;\='; |
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protected $pchar_pattern = '\:@'; |
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protected $unreserved_characters = array("_", "-", ".", "~"); |
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protected $pchar_characters = array(":", "@"); |
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protected $sub_delims_characters = array( |
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"!", |
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"$", |
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"&", |
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"'", |
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"(", |
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")", |
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"*", |
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"+", |
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",", |
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";", |
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"=", |
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); |
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protected $data = ""; |
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protected $unencoded_characters = array(); |
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protected static $valid_pattern; |
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/** |
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* Abstract constructor for URI parts. |
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* |
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* @param string $part_data The data used to construct a URI part |
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* @param string $part_name The name of the URI part for exception reporting |
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* @param string $part_type [optional] The expected type of the URI part |
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*/ |
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public function __construct($part_data, $part_name, $part_type = "string") |
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{ |
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$this->compileValidPattern(); |
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$this->compileUnencodedCharacters(); |
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if (gettype($part_data) != $part_type) { |
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throw new \InvalidArgumentException("{$part_name} must be a {$part_type}"); |
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} elseif (!self::isValid($part_data)) { |
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$part_data = $this->encode($part_data); |
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} |
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$this->data = $part_data; |
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} |
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/** |
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* Returns a string representation of the URI component |
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* |
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* @return string A string representation of the URI component |
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*/ |
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public function __toString() |
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{ |
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return $this->data; |
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} |
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/** |
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* Determines whether a given string adheres to the RFC3986 specification for the extending URI part. |
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* |
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* Requires extending classes to define self::$valid_pattern. |
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* |
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* @see https://tools.ietf.org/html/rfc3986#appendix-A |
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* |
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* @param string $string The query to check for validity |
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* |
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* @return bool Returns true if the provided query matches the RFC3986 specification |
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* Returns false otherwise |
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*/ |
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public static function isValid($string) |
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{ |
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return (bool) preg_match(self::$valid_pattern, $string); |
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} |
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/** |
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* @return string |
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*/ |
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abstract public function toUriString(); |
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/** |
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* Percent-encodes invalid characters within a given string. Percent-encoding ignores valid as defined by the |
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* component per RFC3986. |
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* |
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* @see https://tools.ietf.org/html/rfc3986#appendix-A |
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* |
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* @param string $string The query string to be percent-encoded |
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* |
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* @return string The query string with invalid characters percent-encoded |
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*/ |
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protected function encode($string) |
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{ |
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$encoded_query = $string; |
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if (!empty($this->unencoded_characters)) { |
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$string_helper = new StringHelper($string); |
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$encoded_query = $string_helper->affectChunks("rawurlencode", ...$this->unencoded_characters); |
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} |
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return $encoded_query; |
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} |
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/** |
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* @return void |
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*/ |
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abstract protected function compileValidPattern(); |
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/** |
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* @return void |
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*/ |
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abstract protected function compileUnencodedCharacters(); |
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} |
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twistofreality /
dilmun
