How to make website authorization using curl and php?

Question

I'm trying to realize a simple authorization using login and password. I get a cookie but not sure if authorized or not (how to check?), also I am trying to redirect after authorization but as a result, I get Error 404 after my code tried to redirect (followlocation, true).

Here's my php code

Trying just to redirect but 404 occurred.

 $curl = curl_init($url); curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); $result = curl_exec($curl); echo $result; curl_close($curl);

And here's trying to authorize, not sure if it works (but I get cookie and in header I get 200 OK)

$loginData = [ urlencode('j_username') => 'someName', urlencode('j_password') => 'somePassword' ]; $curl = curl_init($url); curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HEADER, true); curl_setopt($curl, CURLOPT_VERBOSE, 2); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($curl, CURLOPT_POST, true); curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($loginData)); curl_setopt($curl, CURLOPT_COOKIEJAR, $_SERVER['DOCUMENT_ROOT'].'/authCookie.txt'); curl_setopt($curl, CURLOPT_COOKIEFILE, $_SERVER['DOCUMENT_ROOT'].'/authCookie.txt'); $result = curl_exec($curl); echo $result; curl_close($curl);

Also, I use urlencode but not sure if I use it in the right way (I have it in curl like $curl --location --request POST 'http://someFullName' \ --data-urlencode 'j_username=someUsername' \ --data-urlencode 'j_password=somePassword')

peakle · Accepted Answer · 2020-05-11 23:04:21Z

for auth you can use http basic auth it very simple in use for client and server, client code in this case will be look like:

<?php const COOKIE_FILE = '/tmp/authCookie'; $host = 'localhost'; $username = 'login'; $password = 'pass'; $ch = curl_init($host); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_USERPWD, sprintf('%s:%s', $username, $password)); curl_setopt($ch, CURLOPT_TIMEOUT, 30); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC); curl_setopt($ch, CURLOPT_COOKIEJAR, COOKIE_FILE); curl_setopt($ch, CURLOPT_COOKIEFILE, COOKIE_FILE); $return = curl_exec($ch); curl_close($ch);

about your 4xx error, i think you have problems with server, for test redirections you can do something like:

<?php //stable route with redirect $host = 'https://bitly.is/EnterpriseButton'; $userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:76.0) Gecko/20100101 Firefox/76.0'; $curl = curl_init($host); curl_setopt($curl, CURLOPT_USERAGENT, $userAgent); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_URL, $host); //with enabled followlocation curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); curl_setopt($curl, CURLOPT_HEADER, true); $result = curl_exec($curl); curl_close($curl); var_dump($result); $curl = curl_init($host); curl_setopt($curl, CURLOPT_USERAGENT, $userAgent); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_URL, $host); //with disabled followlocation curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false); curl_setopt($curl, CURLOPT_HEADER, true); $result = curl_exec($curl); curl_close($curl); var_dump($result);

and for check auth work you can auth through browser with cookies from curl

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