Level 25
Hi @matttonks11 you need to share a lot more info.
Whats the code of your request?
Sep 10, 2019
7
Level 7
Curl Error 6 on production server
Hi there,
I'm having issues with my web applications deployed via forge on a VPS i have set up.
I will randomly get a curl error 6 - could not resolve host when doing things like trying to log users in via a Socialite package. At first I thought it was an issue with the code but I set the same project up on a Digital Ocean droplet and there aren't any issues.
Does anybody know of any issues, more importantly any checks or fixes I could be doing?
Any help would be majorly appreciated
Level 7
Hi here's the specific error code and the code used
cURL error 6: Could not resolve host: graph.microsoft.com (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)
public function handleOauthResponse()
{
$user = Socialite::driver('azure-oauth')->user();
$authUser = $this->findOrCreateUser($user);
auth()->login($authUser, true);
return redirect(
config('azure-oath.redirect_on_login')
);
}
I looked through the stack trace and this is the code used by the socialite package I installed.
protected function getUserByToken($token)
{
$response = $this->getHttpClient()->get('https://graph.microsoft.com/v1.0/me/', [
'headers' => [
'Authorization' => 'Bearer '.$token,
],
]);
return json_decode($response->getBody(), true);
}
What's weird is it works sometimes on the production server, but works every time on the digital ocean droplet I set up
Level 26
I think it's not a Laravel related problem. Your code seems right. Does DNS resolution work fine? Seems your resolution has a problem. What das nslookup, dig and ping say?
Level 7
@stefanbauer Here's the output from nslookup & dig
nslookup graph.microsoft.com
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
graph.microsoft.com canonical name = prd.ags.msidentity.com.
prd.ags.msidentity.com canonical name = www.ags-prd.akadns.net.
Name: www.ags-prd.akadns.net
Address: 20.190.143.50
Name: www.ags-prd.akadns.net
Address: 20.190.143.52
Name: www.ags-prd.akadns.net
Address: 20.190.143.51
Name: www.ags-prd.akadns.net
Address: 20.190.143.49
; <<>> DiG 9.11.3-1ubuntu1.9-Ubuntu <<>> graph.microsoft.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28346
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;graph.microsoft.com. IN A
;; ANSWER SECTION:
graph.microsoft.com. 3030 IN CNAME prd.ags.msidentity.com.
prd.ags.msidentity.com. 175 IN CNAME www.ags-prd.akadns.net.
www.ags-prd.akadns.net. 167 IN A 20.190.143.49
www.ags-prd.akadns.net. 167 IN A 20.190.143.50
www.ags-prd.akadns.net. 167 IN A 20.190.143.52
www.ags-prd.akadns.net. 167 IN A 20.190.143.51
;; Query time: 2 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Sep 11 14:22:09 UTC 2019
;; MSG SIZE rcvd: 181
Level 7
The server itself is an on-premise server and my workplace has a proxy, would this affect it in anyway?
Level 26
This might be a problem. I don't know your infrastructure. But I think it's a network-related problem, which can by anything. Maybe a traceroute will be helpful as well. Then you might see where the packages get lost. But the curl error is more about DNS resolution problem.
Level 7
@stefanbauer Okay I'll take a look, thanks for your help
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