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@@ -17,21 +17,83 @@ class http_header
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const COOKIE_HTTPONLY = "; HttpOnly";
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private static $stHeader = NULL;
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+ private static $http_status_map = array(100 =>"Continue",
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+ 101 =>"Switching Protocols" ,
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+ 200 =>"OK" ,
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+ 201 =>"Created" ,
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+ 202 =>"Accepted" ,
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+ 203 =>"Non-Authoritative Information" ,
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+ 204 =>"No Content" ,
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+ 205 =>"Reset Content" ,
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+ 206 =>"Partial Content" ,
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+ 300 =>"Multiple Choices" ,
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+ 301 =>"Moved Permanently" ,
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+ 302 =>"Found" ,
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+ 303 =>"See Other" ,
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+ 304 =>"Not Modified" ,
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+ 305 =>"Use Proxy" ,
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+ 307 =>"Temporary Redirect" ,
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+ 308 =>"Permanent Redirect" ,
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+ 400 =>"Bad Request" ,
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+ 401 =>"Unauthorized" ,
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+ 402 =>"Payment Required" ,
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+ 403 =>"Forbidden" ,
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+ 404 =>"Not Found" ,
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+ 405 =>"Method Not Allowed" ,
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+ 406 =>"Not Acceptable" ,
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+ 407 =>"Proxy Authentication Required" ,
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+ 408 =>"Request Timeout" ,
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+ 409 =>"Conflict" ,
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+ 410 =>"Gone" ,
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+ 411 =>"Length Required" ,
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+ 412 =>"Precondition Failed" ,
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+ 413 =>"Request Entity Too Large" ,
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+ 414 =>"Request-URI Too Long" ,
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+ 415 =>"Unsupported Media Type" ,
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+ 416 =>"Requested Range Not Satisfiable" ,
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+ 417 =>"Expectation Failed" ,
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+ 426 =>"Upgrade Required" ,
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+ 428 =>"Precondition Required" ,
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+ 429 =>"Too Many Requests" ,
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+ 431 =>"Request Header Fields Too Large" ,
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+ 500 =>"Internal Server Error" ,
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+ 501 =>"Not Implemented" ,
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+ 502 =>"Bad Gateway" ,
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+ 503 =>"Service Unavailable" ,
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+ 504 =>"Gateway Timeout" ,
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+ 505 =>"HTTP Version Not Supported" ,
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+ 506 =>"Variant Also Negotiates" ,
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+ 511 =>"Network Authentication Required");
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private $mHeader = NULL;
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+ private $mStatusLine = '';
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+ private $mStatusCode = 200;
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+ private $mSended = false;
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- private function __construct()
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+ public function start()
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{
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+ $this->mHeader = new SplDoublyLinkedList();
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+ $this->mStatusCode = 200;
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+ $this->mSended = false;
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}
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- public function start()
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+ public function sent()
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{
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- $this->mHeader = new SplDoublyLinkedList();
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+ if($this->sended == false) {
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+ $this->mSended = true;
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+ $sHeader = $this->to_string();
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+ fcgi_echo($sHeader);
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+ }
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+
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+ return $this->mSended;
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}
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- public function end()
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+ private function to_string()
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{
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$sheader = '';
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+
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+ $status_line = sprintf("HTTP/1.1 %d %s\r\n",$this->mStatusCode,self::$http_status_map[$this->mStatusCode]);
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+ $sheader .= $status_line;
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foreach($this->mHeader as $val)
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{
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$sheader .= $val . "\r\n";
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@@ -132,24 +194,127 @@ class http_header
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$this->mHeader->push($string);
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}
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- public function header ($string, $replace = true, $http_response_code = null)
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+ private function newline_check($string)
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{
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- if(empty($string)) return;
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-
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$datas = str_split($string);
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foreach($datas as $val) {
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if($val == '\r' || $val == '\n') {
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Log::record("Header may not contain more than a single header, new line detected",Log::ERR);
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- return;
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+ return false;
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+ }
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+ }
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+
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+ return true;
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+ }
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+
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+ private function extract_response_code($header_line)
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+ {
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+ $code = 200;
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+ $nodes = explode($header_line);
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+ if(count($nodes) > 1)
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+ {
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+ $datas = str_split($nodes[1]);
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+
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+ $max = intval('0') + 9;
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+ $min = intval('0');
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+
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+ foreach($datas as $ch)
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+ {
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+ if($ch >$max || $ch < $min) {
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+ return false;
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+ }
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+ }
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+
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+ $code = intval($nodes[1]);
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+ }
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+
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+ return $code;
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+ }
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+
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+
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+
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+ private function special_line($header_line,$http_response_code)
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+ {
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+ $len = strlen($header_line);
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+
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+ if($len >= 5 && strncasecmp($header_line,"HTTP/", 5) == 0)
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+ {
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+ $this->mStatusCode = $this->extract_response_code($header_line);
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+ $this->mStatusLine = $header_line;
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+ return 0;
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+ }
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+ else
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+ {
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+ $colon_offset = strchr($header_line, ':');
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+ if($colon_offset)
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+ {
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+ if (!strcasecmp($header_line, "Location",strlen("Location")))
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+ {
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+ if( ($this->mStatusCode < 300 || $this->mStatusCode > 399) && $this->mStatusCode != 201)
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+ {
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+ $method = strtolower(request_helper::method());
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+ if ($http_response_code) { /* user specified redirect code */
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+ $this->mStatusCode = $http_response_code;
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+ } else if ($method == 'get') {
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+ $this->mStatusCode = 303;
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+ } else {
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+ $this->mStatusCode = 302;
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+ }
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+ }
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+ }
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+ else if(!strcasecmp($header_line, "WWW-Authenticate",strlen("WWW-Authenticate"))) {
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+ $this->mStatusCode = 401;
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+ }
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}
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}
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+ return 1;
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+ }
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+
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+ public function header ($string, $replace = true, $http_response_code = null)
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+ {
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+ if(empty($string)) return;
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+ if($this->newline_check($string) == false) return;
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+
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+ if($this->special_line($string,$http_response_code) == 0) {
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+ return false;
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+ }
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+ if($http_response_code) {
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+ $this->mStatusCode = $http_response_code;
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+ }
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+
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if($replace) {
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$this->replace($string);
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} else {
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$this->mHeader->push($string);
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}
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}
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+
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+ public function remove($name)
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+ {
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+ if(empty($name)) {
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+ $this->mHeader->clear();
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+ }
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+ else
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+ {
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+ $reg = '/^([^:]*): (.*)/i';
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+
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+ $index = 0;
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+ for($this->mHeader->rewind();$this->mHeader->valid();$this->mHeader->next())
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+ {
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+ $val = $this->mHeader->current();
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+ if(preg_match($reg,$val,$m))
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+ {
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+ $hname = strtolower($m[1]);
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+ if(strcmp($name,$hname) == 0) {
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+ $this->mHeader->offsetUnset($index);
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+ break;
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+ }
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+ $index++;
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+ }
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+ }
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+ }
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+ }
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}
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function init_cookie($cookie)
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@@ -195,5 +360,10 @@ function fcgi_header($string, $replace = true, $http_response_code = null)
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function fcgi_header_remove($name)
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{
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+ return http_header::instance()->remove($name);
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+}
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+function fcgi_headers_sent()
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+{
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+ return http_header::instance()->sent();
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}
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stanley-king