Yii2 cUrl Bad Request (#400)

Question

While trying to use cUrl with the Post method in Yii 2, I receive a 400 error code.

Bad Request (#400)
Unable to verify your data submission.
The above error occurred while the Web server was processing your request.

Please contact us if you think this is a server error. Thank you.

This is my code, where i instantiate the CurlTool class:

public function actionSend() {
        $model = new \app\models\Licitatie;
        if ($model->load(Yii::$app->request->post())) {
            $curl_tool = new \common\components\CurlTool();
            $result = $curl_tool->fetchContent('http://www.william.ro/licitatia_bursa/frontend/web/index.php/organizator/licitatie/evrika', $model->attributes);
            print_r($result);
        }
    }

    public function actionEvrika() {
        return json_encode(
                array(
                    'a' => 'b',
                )
        );
    }

this is the curltool class code:

<?php

namespace common\components;

class CurlTool {

    public static $userAgents = array(
        'FireFox3' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9) Gecko/2008052906 Firefox/3.0',
        'GoogleBot' => 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)',
        'IE7' => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)',
        'Netscape' => 'Mozilla/4.8 [en] (Windows NT 6.0; U)',
        'Opera' => 'Opera/9.25 (Windows NT 6.0; U; en)'
    );
    public static $options = array(
        CURLOPT_USERAGENT => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)',
        CURLOPT_AUTOREFERER => true,
        CURLOPT_FOLLOWLOCATION => false,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FRESH_CONNECT => true,
        CURLOPT_COOKIEJAR => "cookies.txt",
        CURLOPT_COOKIEFILE => "cookies.txt",
        CURLOPT_SSL_VERIFYPEER => false,
            //CURLOPT_COOKIESESSION => false,
    );
    private static $proxyServers = array();
    private static $proxyCount = 0;
    private static $currentProxyIndex = 0;
    public static $getinfo;

    public static function addProxyServer($url) {
        self::$proxyServers[] = $url;
        ++self::$proxyCount;
    }

    public static function fetchContent($url, $fields = null, $verbose = false) {
        //print '*'.$fields.'*';
        if (($curl = curl_init($url)) == false) {
            throw new Exception("curl_init error for url $url.");
        }
        if (self::$proxyCount > 0) {
            $proxy = self::$proxyServers[self::$currentProxyIndex++ % self::$proxyCount];
            curl_setopt($curl, CURLOPT_PROXY, $proxy);
            if ($verbose === true) {
                echo "Reading $url [Proxy: $proxy] ... ";
            }
        } else if ($verbose === true) {
            echo "Reading $url ... ";
        }
        //$verbose=TRUE;
        //print_r($fields);
//        debug_print_backtrace();
//url-ify the data for the POST
        $fields_string = '';
        if (is_array($fields))
            foreach ($fields as $key => $value) {
                if (empty($key))
                    continue;
                $fields_string .= $key . '=' . urlencode($value) . '&';
                if ($verbose === true) {
                    echo $key . ": " . $value;
                }
            }
        rtrim($fields_string, '&');

        if (count($fields) > 0) {
            curl_setopt($curl, CURLOPT_POST, count($fields));
            curl_setopt($curl, CURLOPT_POSTFIELDS, $fields_string);
        }

        if ($verbose === true) {
            echo "Fields string $fields_string ... ";
        }

        curl_setopt_array($curl, self::$options);

        $content = curl_exec($curl);
        self::$getinfo = curl_getinfo($curl);
        if ($content === false) {
            throw new Exception("curl_exec error for url $url " . curl_error($curl));
        }

        curl_close($curl);
        if ($verbose === true) {
            echo "Done.\n";
        }
        $content = preg_replace('#\n+#', ' ', $content);
        $content = preg_replace('#\s+#', ' ', $content);

        return $content;
    }

}

You need to post the csrf value to in post request. Following might be helpful stackoverflow.com/questions/23679332/… — Kshitiz
– Kshitiz, Commented May 16, 2014 at 6:08

Ionut Flavius Pogacian · Accepted Answer · 2014-10-13 18:35:14Z

15

class Controller extends \yii\base\Controller
{
    /**
     * @var boolean whether to enable CSRF validation for the actions in this controller.
     * CSRF validation is enabled only when both this property and [[Request::enableCsrfValidation]] are true.
     */
    public $enableCsrfValidation = false; <- set this to false

...

be careful, i just found out that if this setting is used within the action itself, it might fail;

it might fail within beforeaction;

edited Oct 13, 2014 at 18:35

answered Apr 23, 2014 at 7:34

Ionut Flavius Pogacian

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Comments

Tisswb · Accepted Answer · 2015-03-23 03:29:56Z

4

you can disable csrf in beforeaction

public function beforeAction($action)
{
    if($action->id == 'source-in')
    {
        return true;
    }
    return parent::beforeAction($action);
}

answered Mar 23, 2015 at 3:29

Tisswb

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Comments

Bennet Klarhölter · Accepted Answer · 2014-12-14 06:00:45Z

0

Is there another way to fix it? Maybe generate a new CSRF token and send it in the POST data?

answered Dec 14, 2014 at 6:00

Bennet Klarhölter

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