Using php curl functions to handle popup login window (netgear router)

Question

I've figured out how to use the php curl functions to automatically log into 2 different radios but am having trouble with netgear routers.

The problem is that its login screen consists of a popup window where you enter user/pass and I can't figure out how to process it with the php curl functions.
I tried adding
curl_setopt($ch, CURLOPT_USERPWD, "username:password");
as suggested in an answer to this question post, but it just returned an "invalid login" screen (before, it would just hang at this point so I suppose it is an improvement).

I also tried adding both
curl_setopt($curl_conn, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
and
curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
before it and turning CURLOPT_FOLLOWLOCATION on and off but same result.

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $LoginPage);//IP Address followed by :8080
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($curl_conn, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_USERPWD, $Username . ":" . $Password);
$data = curl_exec($ch);

Update(2018/2/5):
The following gave me part of the settings page for the router! I'll probably have to mess with the html/javascript to get the rest...

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,$url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);//10 seconds
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);//kept trying options till it worked
    curl_setopt($ch, CURLOPT_USERPWD, "$Username:$Password");        
    $result = curl_exec($ch);        
    //$resultStatus = curl_getinfo($ch); 
    //print 'ResultStatus:'.print_r($resultStatus) . "<br>"; 
    curl_close($ch);  
    echo($result);

You need to use the header authentication field of the post request . I'll post a complete answer as soon as I have the time for it. — Samuel Yvon
– Samuel Yvon, Commented Jan 4, 2017 at 17:38
Possible duplicate of How do I make a request using HTTP basic authentication with PHP curl? — Sᴀᴍ Onᴇᴌᴀ
– Sᴀᴍ Onᴇᴌᴀ, Commented Jan 4, 2017 at 18:02
I wonder if Barmar's suggestion of using the username:password format in the URL (i.e. https://username:[email protected]) would work... — Sᴀᴍ Onᴇᴌᴀ
– Sᴀᴍ Onᴇᴌᴀ, Commented Jan 31, 2018 at 19:08

Sᴀᴍ Onᴇᴌᴀ · Accepted Answer · 2018-02-06 17:32:22Z

1

Finally got it! The last thing I needed was curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY), which I had to get by trying the settings one at a time (see full answer in edit of question). Thanks for all the useful suggestions.

edited Feb 6, 2018 at 17:32

Sᴀᴍ Onᴇᴌᴀ

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answered Feb 6, 2018 at 17:16

Dustin Soodak

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Sᴀᴍ Onᴇᴌᴀ · Accepted Answer · 2018-04-18 17:09:07Z

1

Borrowing from this answer, a header needs to be set. Instead of:

curl_setopt($curl_conn, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_USERPWD, $Username . ":" . $Password);

use these options:

$headers = array(
    'Content-Type:application/json',
    'Authorization: Basic '. base64_encode("$Username:$Password")
);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

And the option to verify peer's SSL certificate might also need to be set to false:

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

edited Apr 18, 2018 at 17:09

answered Jan 4, 2017 at 18:04

Sᴀᴍ Onᴇᴌᴀ

8,3028 gold badges38 silver badges61 bronze badges

5 Comments

Dustin Soodak Over a year ago

When I tried replacing those options it returned "404" error but only when I tried to print or var_dump the output of curl_exec.

Sᴀᴍ Onᴇᴌᴀ Over a year ago

Hmm.. if you get the curl info (i.e. by calling curl_getinfo($ch)) after the call to curl_exec($ch), does the 'url' of the resulting array match the URL you set?

Sᴀᴍ Onᴇᴌᴀ Over a year ago

what returns false? the call to curl_exec($ch);? if so, that isn't what is desired, is it?

Dustin Soodak Over a year ago

In , curl_exec() returns false on failure (which I guess is marginally better than a result that makes php crash when it tries to do anything with it). At this point I've every combination of the responses to this question and similar ones with no result.

Sᴀᴍ Onᴇᴌᴀ Over a year ago

Did you try Barmar's suggestion of using the username:password format in the URL (e.g. https://username:[email protected]) in $LoginPage?

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