<?php
// Function needed to parse Digest params
// can be replaced by a php extension (http://php.net/manual/fa/function.http-parse-params.php)
function __http_parse_nextParam($param, $offset = 0){
;$next_pos = array(
strpos($param, ",", $offset)
, strpos($param, ";", $offset)
)
;if ($next_pos[0] === $next_pos[1]) return $next_pos[0]
;else if ($next_pos[0] === false) return $next_pos[1]
;else if ($next_pos[1] === false) return $next_pos[0]
;else return min($next_pos[0], $next_pos[1])
;
}
function http_parse_params($param){
;$res = array()
;$offset = 0
;while (true) {
;$next_pos = __http_parse_nextParam($param, $offset)
;if (trim($frag = $next_pos !== false ? substr($param, $offset, $next_pos - $offset)
: substr($param, $offset))) {
// No quote
;if (!preg_match("#^\s*([^=\s]+)\s*=\s*\"([^\"]*)#", $frag, $match)) {
;if (preg_match("#^\s*([^=\s]+)\s*=\s*([^\s]+)\s*$#", $frag, $match))
$res[$match[1]] = $match[2]
;else array_push($res, trim($frag))
;if ($next_pos === false) break
;$offset = $next_pos + 1
;
// With quote
} else {
;$cut = $offset + strlen($match[0])
;$offset = $cut
;if (substr($param, $offset, 1) === "\"") {
;$res[$match[1]] = str_replace("\\\"", "\"", $match[2])
;if ($next_pos === false) break
;$offset = __http_parse_nextParam($param, $offset + 1)
;
} else {
;while (($eof = strpos($param, "\"", $offset)) !== false) {
;$frag = substr($param, $offset, $eof - $offset)
;if (preg_match("#\\\\+$#", $frag, $match_escape)) {
;if (!(strlen($match_escape[0]) % 2))
break
;
} else break
;$offset = $eof+1
;
}
;$res[$match[1]] = str_replace("\\\"", "\"", $match[2].($eof === false
? substr($param, $cut) : substr($param, $cut, $eof - $cut)))
;if ($eof === false
|| ($offset = __http_parse_nextParam($param, $eof)) === false)
break
;
}
;$offset++
;
}
} else if ($next_pos === false) break
;else $offset = $next_pos + 1
;
}
;return (object)array('params' => $res)
;
}
|
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