Login to remote site with PHP cURL – Stack Overflow

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Curl get request (with authentication)

In most cases (I think) you need to add your auth-token to the url you’re using to make a valid API call. Again, you should be able to find this in the documentation of the API your using. In my example, if I want to make an API call, my link should look like this: api/get_all_reviews.php

Curl post request (with authentication)

Same for POST as with GET, we need to add our utoken (Auth-token) to the url. Here is an example of my POST link to the API, with my utoken: api/post_review.php

Generating an auth key

Some API’s only allow POST or GET requests if you use an auth-token. We need to generate this auth-token first, before we are allowed to make API calls. Normally the API docs should explain how you can generate their auth-token. In my example, I can generate an auth-token by posting my API client ID, client_secret and a login type to their API Auth file.

Here is how I can generate and use my auth-token, based on the cURL script of my part-1 tutorial. In this tutorial, I’ll be calling this file api/auth.php

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How to use our auth-token?

Ok good, now we have an auth-token for our app… How do we use this?

Login to remote site with php curl

Panama Jack Example not work for me – Give Fatal error: Call to undefined function build_unique_path(). I used this code – (more simple – my opinion) :

// options
$login_email = ‘alabala@gmail.com’;
$login_pass = ‘alabala4807’;
$cookie_file_path = “/tmp/cookies.txt”;
$LOGINURL = “http://alabala.com/index.php?route=account/login”;
$agent = “Nokia-Communicator-WWW-Browser/2.0 (Geos 3.0 Nokia-9000i)”;

// begin script
$ch = curl_init();

// extra headers
$headers[] = “Accept: */*”;
$headers[] = “Connection: Keep-Alive”;

// basic curl options for all requests
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, $agent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);

// set first URL
curl_setopt($ch, CURLOPT_URL, $LOGINURL);

// execute session to get cookies and required form inputs
$content = curl_exec($ch);

// grab the hidden inputs from the form required to login
$fields = getFormFields($content);
$fields[’email’] = $login_email;
$fields[‘password’] = $login_pass;

// set postfields using what we extracted from the form
$POSTFIELDS = http_build_query($fields);
// change URL to login URL
curl_setopt($ch, CURLOPT_URL, $LOGINURL);

// set post options
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $POSTFIELDS);

// perform login
$result = curl_exec($ch);

print $result;

function getFormFields($data)
{
if (preg_match(‘/()/is’, $data, $matches)) {
$inputs = getInputs($matches[1]);

return $inputs;
} else {
die(‘didnt find login form’);
}
}

function getInputs($form)
{
$inputs = array();
$elements = preg_match_all(“/(] >)/is”, $form, $matches);
if ($elements > 0) {
for($i = 0;$i $el = preg_replace(‘/s{2,}/’, ‘ ‘, $matches[1][$i]);
if (preg_match(‘/name=(?:[“‘])?([^”‘s]*)/i’, $el, $name)) {
$name = $name[1];

$value = ”;
if (preg_match(‘/value=(?:[“‘])?([^”‘s]*)/i’, $el, $value)) {
$value = $value[1];
}

$inputs[$name] = $value;
}
}
}

return $inputs;
}

$grab_url=’http://grab.url/alabala’;

//page with the content I want to grab
curl_setopt($ch, CURLOPT_URL, $grab_url);
//do stuff with the info with DomDocument() etc
$html = curl_exec($ch);
curl_close($ch);

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var_dump($html);
die;

No access-control-allow-origin header is present – (cors)

If you’re making JS calls to your own php-files, but your files are on a different server, please at following line at the top of each .php file you’re using:

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