diff options
Diffstat (limited to '3rdparty/simplepie/library/SimplePie/HTTP/Parser.php')
-rwxr-xr-x | 3rdparty/simplepie/library/SimplePie/HTTP/Parser.php | 500 |
1 files changed, 0 insertions, 500 deletions
diff --git a/3rdparty/simplepie/library/SimplePie/HTTP/Parser.php b/3rdparty/simplepie/library/SimplePie/HTTP/Parser.php deleted file mode 100755 index bff2222b2..000000000 --- a/3rdparty/simplepie/library/SimplePie/HTTP/Parser.php +++ /dev/null @@ -1,500 +0,0 @@ -<?php -/** - * SimplePie - * - * A PHP-Based RSS and Atom Feed Framework. - * Takes the hard work out of managing a complete RSS/Atom solution. - * - * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * * Neither the name of the SimplePie Team nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS - * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * @package SimplePie - * @version 1.3.1 - * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue - * @author Ryan Parman - * @author Geoffrey Sneddon - * @author Ryan McCue - * @link http://simplepie.org/ SimplePie - * @license http://www.opensource.org/licenses/bsd-license.php BSD License - */ - - -/** - * HTTP Response Parser - * - * @package SimplePie - * @subpackage HTTP - */ -class SimplePie_HTTP_Parser -{ - /** - * HTTP Version - * - * @var float - */ - public $http_version = 0.0; - - /** - * Status code - * - * @var int - */ - public $status_code = 0; - - /** - * Reason phrase - * - * @var string - */ - public $reason = ''; - - /** - * Key/value pairs of the headers - * - * @var array - */ - public $headers = array(); - - /** - * Body of the response - * - * @var string - */ - public $body = ''; - - /** - * Current state of the state machine - * - * @var string - */ - protected $state = 'http_version'; - - /** - * Input data - * - * @var string - */ - protected $data = ''; - - /** - * Input data length (to avoid calling strlen() everytime this is needed) - * - * @var int - */ - protected $data_length = 0; - - /** - * Current position of the pointer - * - * @var int - */ - protected $position = 0; - - /** - * Name of the hedaer currently being parsed - * - * @var string - */ - protected $name = ''; - - /** - * Value of the hedaer currently being parsed - * - * @var string - */ - protected $value = ''; - - /** - * Create an instance of the class with the input data - * - * @param string $data Input data - */ - public function __construct($data) - { - $this->data = $data; - $this->data_length = strlen($this->data); - } - - /** - * Parse the input data - * - * @return bool true on success, false on failure - */ - public function parse() - { - while ($this->state && $this->state !== 'emit' && $this->has_data()) - { - $state = $this->state; - $this->$state(); - } - $this->data = ''; - if ($this->state === 'emit' || $this->state === 'body') - { - return true; - } - else - { - $this->http_version = ''; - $this->status_code = ''; - $this->reason = ''; - $this->headers = array(); - $this->body = ''; - return false; - } - } - - /** - * Check whether there is data beyond the pointer - * - * @return bool true if there is further data, false if not - */ - protected function has_data() - { - return (bool) ($this->position < $this->data_length); - } - - /** - * See if the next character is LWS - * - * @return bool true if the next character is LWS, false if not - */ - protected function is_linear_whitespace() - { - return (bool) ($this->data[$this->position] === "\x09" - || $this->data[$this->position] === "\x20" - || ($this->data[$this->position] === "\x0A" - && isset($this->data[$this->position + 1]) - && ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20"))); - } - - /** - * Parse the HTTP version - */ - protected function http_version() - { - if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/') - { - $len = strspn($this->data, '0123456789.', 5); - $this->http_version = substr($this->data, 5, $len); - $this->position += 5 + $len; - if (substr_count($this->http_version, '.') <= 1) - { - $this->http_version = (float) $this->http_version; - $this->position += strspn($this->data, "\x09\x20", $this->position); - $this->state = 'status'; - } - else - { - $this->state = false; - } - } - else - { - $this->state = false; - } - } - - /** - * Parse the status code - */ - protected function status() - { - if ($len = strspn($this->data, '0123456789', $this->position)) - { - $this->status_code = (int) substr($this->data, $this->position, $len); - $this->position += $len; - $this->state = 'reason'; - } - else - { - $this->state = false; - } - } - - /** - * Parse the reason phrase - */ - protected function reason() - { - $len = strcspn($this->data, "\x0A", $this->position); - $this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20"); - $this->position += $len + 1; - $this->state = 'new_line'; - } - - /** - * Deal with a new line, shifting data around as needed - */ - protected function new_line() - { - $this->value = trim($this->value, "\x0D\x20"); - if ($this->name !== '' && $this->value !== '') - { - $this->name = strtolower($this->name); - // We should only use the last Content-Type header. c.f. issue #1 - if (isset($this->headers[$this->name]) && $this->name !== 'content-type') - { - $this->headers[$this->name] .= ', ' . $this->value; - } - else - { - $this->headers[$this->name] = $this->value; - } - } - $this->name = ''; - $this->value = ''; - if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A") - { - $this->position += 2; - $this->state = 'body'; - } - elseif ($this->data[$this->position] === "\x0A") - { - $this->position++; - $this->state = 'body'; - } - else - { - $this->state = 'name'; - } - } - - /** - * Parse a header name - */ - protected function name() - { - $len = strcspn($this->data, "\x0A:", $this->position); - if (isset($this->data[$this->position + $len])) - { - if ($this->data[$this->position + $len] === "\x0A") - { - $this->position += $len; - $this->state = 'new_line'; - } - else - { - $this->name = substr($this->data, $this->position, $len); - $this->position += $len + 1; - $this->state = 'value'; - } - } - else - { - $this->state = false; - } - } - - /** - * Parse LWS, replacing consecutive LWS characters with a single space - */ - protected function linear_whitespace() - { - do - { - if (substr($this->data, $this->position, 2) === "\x0D\x0A") - { - $this->position += 2; - } - elseif ($this->data[$this->position] === "\x0A") - { - $this->position++; - } - $this->position += strspn($this->data, "\x09\x20", $this->position); - } while ($this->has_data() && $this->is_linear_whitespace()); - $this->value .= "\x20"; - } - - /** - * See what state to move to while within non-quoted header values - */ - protected function value() - { - if ($this->is_linear_whitespace()) - { - $this->linear_whitespace(); - } - else - { - switch ($this->data[$this->position]) - { - case '"': - // Workaround for ETags: we have to include the quotes as - // part of the tag. - if (strtolower($this->name) === 'etag') - { - $this->value .= '"'; - $this->position++; - $this->state = 'value_char'; - break; - } - $this->position++; - $this->state = 'quote'; - break; - - case "\x0A": - $this->position++; - $this->state = 'new_line'; - break; - - default: - $this->state = 'value_char'; - break; - } - } - } - - /** - * Parse a header value while outside quotes - */ - protected function value_char() - { - $len = strcspn($this->data, "\x09\x20\x0A\"", $this->position); - $this->value .= substr($this->data, $this->position, $len); - $this->position += $len; - $this->state = 'value'; - } - - /** - * See what state to move to while within quoted header values - */ - protected function quote() - { - if ($this->is_linear_whitespace()) - { - $this->linear_whitespace(); - } - else - { - switch ($this->data[$this->position]) - { - case '"': - $this->position++; - $this->state = 'value'; - break; - - case "\x0A": - $this->position++; - $this->state = 'new_line'; - break; - - case '\\': - $this->position++; - $this->state = 'quote_escaped'; - break; - - default: - $this->state = 'quote_char'; - break; - } - } - } - - /** - * Parse a header value while within quotes - */ - protected function quote_char() - { - $len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position); - $this->value .= substr($this->data, $this->position, $len); - $this->position += $len; - $this->state = 'value'; - } - - /** - * Parse an escaped character within quotes - */ - protected function quote_escaped() - { - $this->value .= $this->data[$this->position]; - $this->position++; - $this->state = 'quote'; - } - - /** - * Parse the body - */ - protected function body() - { - $this->body = substr($this->data, $this->position); - if (!empty($this->headers['transfer-encoding'])) - { - unset($this->headers['transfer-encoding']); - $this->state = 'chunked'; - } - else - { - $this->state = 'emit'; - } - } - - /** - * Parsed a "Transfer-Encoding: chunked" body - */ - protected function chunked() - { - if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($this->body))) - { - $this->state = 'emit'; - return; - } - - $decoded = ''; - $encoded = $this->body; - - while (true) - { - $is_chunked = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches ); - if (!$is_chunked) - { - // Looks like it's not chunked after all - $this->state = 'emit'; - return; - } - - $length = hexdec(trim($matches[1])); - if ($length === 0) - { - // Ignore trailer headers - $this->state = 'emit'; - $this->body = $decoded; - return; - } - - $chunk_length = strlen($matches[0]); - $decoded .= $part = substr($encoded, $chunk_length, $length); - $encoded = substr($encoded, $chunk_length + $length + 2); - - if (trim($encoded) === '0' || empty($encoded)) - { - $this->state = 'emit'; - $this->body = $decoded; - return; - } - } - } -} |