cURL post not working PHP

Question

I'm having trouble using cURL for a specific page.

A live code working: http://svgen.com/jupiter.php

Here is my code:

    $url = 'https://uspdigital.usp.br/jupiterweb/autenticar';

    $data = array('codpes' => 'someLogin', 'senusu' => 'somePass', 'Submit' => '1');
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_COOKIEJAR, "FileHere");
    curl_setopt($ch, CURLOPT_COOKIEFILE, "FileHere");
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTP);
    curl_exec($ch);
    curl_close($ch);

Although I had used the same url and post data, file_get_contents worked:

    $options = array('http' => array('method'  => 'POST','content' => http_build_query($data)));
    $context  = stream_context_create($options);
    $result = file_get_contents($url, false, $context);

    var_dump($result); 

Someone could help me? Thanks.

Solution 1

make your post data as:

$data = array('codpes' => 'someLogin', 'senusu' => 'somePass', 'Submit' => '1');
$postData = "";
foreach( $data as $key => $val ) {
   $postData .=$key."=".$val."&";
}
$postData = rtrim($postData, "&");

and change:

curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

to

curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);

Solution 2

Most probably it is the SSL verification problem.

Add

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);

Also if you use CURLOPT_PROTOCOLS option, it should be HTTPS since you are posting to a secure url

curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);    // you currently have http

Solution 3

$data = array('codpes' => 'someLogin', 'senusu' => 'somePass', 'Submit' => '1');

should have been

$data = http_build_query(array('codpes' => 'someLogin', 'senusu' => 'somePass', 'Submit' => '1'));

It automatically url encodes your query string as well and is safer than manual methods..

Solution 4

Try these:

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_CAINFO, '/etc/pki/tls/cert.pem'); // path is valid for RHEL/CentOS

This makes sure the resource you're "curling" has a valid SSL certificate. It is not recommended to set "CURLOPT_SSL_VERIFYPEER" to false (0).

Solution 5

You're on a secure connection, why are you using :

curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTP);

Use instead :

curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);

View more solutions

Comments

[Hanky Panky]

@MaurícioGiordano Sorry put 0 instead of false, my mistake

[Maurício Giordano]

It tried both and not working... Note: file_get_contents use HTTP instead of HTTPS and works...

[Alain Tiemblo]

Then keep HTTPS, that's one error less :-) curl and file_get_contents do not work the same way.

[Zeeshan]

Why not use http_build_query() instead? Check my answer.

[Richard]

Thanks for this-- for some reason http_build_query() worked for me on one server, but failed on another. Your solution helped me create a workaround that works on both servers.

[Michael Käfer]

This helps if your working curl-request strangely does not work inside your Laravel application