AphrontHTTPHeaderParser.php
51cb7a3db9e8master

AphrontHTTPHeaderParser.php
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			<?php

			final class AphrontHTTPHeaderParser extends Phobject {

			private $name;
			private $content;
			private $pairs;

			public function parseRawHeader($raw_header) {
			$this->name = null;
			$this->content = null;

			$parts = explode(':', $raw_header, 2);
			$this->name = trim($parts[0]);
			if (count($parts) > 1) {
			$this->content = trim($parts[1]);
			}

			$this->pairs = null;

			return $this;
			}

			public function getHeaderName() {
			$this->requireParse();
			return $this->name;
			}

			public function getHeaderContent() {
			$this->requireParse();
			return $this->content;
			}

			public function getHeaderContentAsPairs() {
			$content = $this->getHeaderContent();


			$state = 'prekey';
			$length = strlen($content);

			$pair_name = null;
			$pair_value = null;

			$pairs = array();
			$ii = 0;
			while ($ii < $length) {
			$c = $content[$ii];

			switch ($state) {
			case 'prekey';
			// We're eating space in front of a key.
			if ($c == ' ') {
			$ii++;
			break;
			}
			$pair_name = '';
			$state = 'key';
			break;
			case 'key';
			// We're parsing a key name until we find "=" or ";".
			if ($c == ';') {
			$state = 'done';
			break;
			}

			if ($c == '=') {
			$ii++;
			$state = 'value';
			break;
			}

			$ii++;
			$pair_name .= $c;
			break;
			case 'value':
			// We found an "=", so now figure out if the value is quoted
			// or not.
			if ($c == '"') {
			$ii++;
			$state = 'quoted';
			break;
			}
			$state = 'unquoted';
			break;
			case 'quoted':
			// We're in a quoted string, parse until we find the closing quote.
			if ($c == '"') {
			$ii++;
			$state = 'done';
			break;
			}

			$ii++;
			$pair_value .= $c;
			break;
			case 'unquoted':
			// We're in an unquoted string, parse until we find a space or a
			// semicolon.
			if ($c == ' ' \|\| $c == ';') {
			$state = 'done';
			break;
			}
			$ii++;
			$pair_value .= $c;
			break;
			case 'done':
			// We parsed something, so eat any trailing whitespace and semicolons
			// and look for a new value.
			if ($c == ' ' \|\| $c == ';') {
			$ii++;
			break;
			}

			$pairs[] = array(
			$pair_name,
			$pair_value,
			);

			$pair_name = null;
			$pair_value = null;

			$state = 'prekey';
			break;
			}
			}

			if ($state == 'quoted') {
			throw new Exception(
			pht(
			'Header has unterminated double quote for key "%s".',
			$pair_name));
			}

			if ($pair_name !== null) {
			$pairs[] = array(
			$pair_name,
			$pair_value,
			);
			}

			return $pairs;
			}

			private function requireParse() {
			if ($this->name === null) {
			throw new PhutilInvalidStateException('parseRawHeader');
			}
			}

			}

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phabricator/src/aphront/headerparser/AphrontHTTPHeaderParser.php51cb7a3db9e8master

AphrontHTTPHeaderParser.phpView Options

Owner Packages

phabricator/src/aphront/headerparser/AphrontHTTPHeaderParser.php
51cb7a3db9e8master

AphrontHTTPHeaderParser.php
View Options