php cURL - The request must be chunked or have a content length

Question

today I was trying something using 'lib cURL' when I got this weird error, I cannot found a solution for this, can you help me to figure it out?

<?php set_time_limit(0); class cURL { var $content; var $cookie; var $headers = array(); var $ch; var $data; var $info; var $httpcode; var $proxy_ip; var $proxy_port; var $cookie_f; function __construct($cookie = '') { if (!empty($cookie)) { $this->cookie_f = $cookie; } } function setproxy($proxy) { list($ip, $porta) = explode(":", $proxy); $this->proxy_ip = $ip; $this->proxy_port = $porta; } function setcookie($cookie) { $this->cookie = $cookie; } function open($type, $url) { $this->ch = curl_init(); curl_setopt($this->ch, CURLOPT_URL, $url); curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($this->ch, CURLOPT_HEADER, true); //curl_setopt($this->ch, CURLOPT_HTTPHEADER, array("Content-type: application/x-www-form-urlencoded", "Content-length: 216")); curl_setopt($this->ch, CURLOPT_ENCODING, ""); curl_setopt($this->ch, CURLOPT_COOKIEFILE, getcwd() . '/cookies.cookie'); curl_setopt($this->ch, CURLOPT_COOKIEJAR, getcwd() . '/cookies.cookie'); curl_setopt($this->ch, CURLOPT_USERAGENT, "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-BR; rv:1.9.2.18) Gecko/20110614 Firefox/3.6.18"); if (strtolower($type) == 'post') { curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($this->ch, CURLOPT_POST, 1); curl_setopt($this->ch, CURLOPT_POSTFIELDS, $this->data); curl_setopt($this->ch, CURLOPT_HEADER, true); } $this->content = curl_exec($this->ch); curl_close($this->ch); return $this->content; } } ?> <?php $curll = New cURL; $curll ->setCookie = "cookies.cookie"; $curll ->data = "username=user&password=pass&IsSyncUp=&FacebookAssociation=&SNAccessToken="; $curll ->open("POST", "http://www.website.com"); $curll ->data = '__EVENTTARGET=ctl00$ctl00$cphRoblox$cphMyRobloxContent$lbSend&ctl00$ctl00$cphRoblox$cphMyRobloxContent$rbxMessageEditor$txtSubject=AAAAAAAAA&ctl00$ctl00$cphRoblox$cphMyRobloxContent$rbxMessageEditor$txtBody=BBBBBBBBB'; $curll ->open("POST", "http://www.website.com/My/PrivateMessage.aspx?RecipientID=20815603"); echo $curll ->content; ?>

So, my returned error was:

HTTP/1.1 302 Found Cache-Control: private Content-Type: text/html; charset=utf-8 Location: /Login/Default.aspx?ReturnUrl=%2fMy%2fPrivateMessage.aspx%3fRecipientID%3d20815603&RecipientID=20815603 Server: Microsoft-IIS/7.0 Set-Cookie: rbx-ip=; path=/; HttpOnly Set-Cookie: RBXSource=rbx_acquisition_time=10/14/2011 3:32:12 PM&rbx_acquisition_referrer=http://www.website.com/My/PrivateMessage.aspx?RecipientID=20815603&rbx_medium=Direct&rbx_source=www.website.com&rbx_campaign=&rbx_send_info=0; expires=Sun, 13-Nov-2011 21:32:12 GMT; path=/ X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET P3P: CP="CAO DSP COR CURa ADMa DEVa OUR IND PHY ONL UNI COM NAV INT DEM PRE" Date: Fri, 14 Oct 2011 20:32:12 GMT Content-Length: 224 HTTP/1.1 411 Length Required Content-Type: text/html; charset=us-ascii Server: Microsoft-HTTPAPI/2.0 Date: Fri, 14 Oct 2011 20:32:12 GMT Connection: close Content-Length: 344
Length Required HTTP Error 411. The request must be chunked or have a content length.

So my problem was "The request must be chunked or have a content length." My POST was made by consulting browser post using 'Live HTTP Headers' (Mozila)

If I comment the seconds data & open/post it works fine. The seconds data and open/post was the problem.

Can anybody help me? Thanks for reading.

FYI: CURLOPT_CUSTOMREQUEST is for requests OTHER than post/get. It's for when you need to do HEAD, PUT, etc... using CURLOPT_POST already puts curl into post mode. — Marc B
– Marc B, Commented Oct 14, 2011 at 21:33

Len · Accepted Answer · 2011-10-14 21:10:35Z

2

It is hard to know exactly what is being sent unless you see the actual data that is being passed.

Download the fiddler web proxy and compare the exact browser output with curl.

http://www.fiddler2.com/fiddler2/

add this line of PHP code to pass curl thru fiddler.

curl_setopt($ch, CURLOPT_PROXY, '127.0.0.1:8888');

answered Oct 14, 2011 at 21:10

Len

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5 Comments

Pedro Gabriel Over a year ago

I know the passed data, Live HTTP Headers show the post data and it was exactly like my 'data' post, anyway I'll try to see your fiddler Ah I think I got what you mean now...

Pedro Gabriel Over a year ago

WHat should I see in the fiddler results? the current request part where has stopped?

Len Over a year ago

click on the request you are interested in and look on the right side under RAW or HEXVIEW. Make sure they match for both curl and the browser.

Pedro Gabriel Over a year ago

They match, but when the last request end auto start another request (not made by me) going to error page, maybe that's the point. I'll try disable redirections to see the result.

Luís Cruz Over a year ago

Thanks for the way to see the request in Fiddler! Still works with Fiddler 4.

James · Accepted Answer · 2011-10-14 21:34:17Z

Set the content-length header to the length of the data you are sending. See http://www.php.net/manual/en/function.curl-setopt.php#80271 for an example.

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