osb/app/Http/Controllers/Auth/SocialLoginController.php

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<?php
namespace App\Http\Controllers\Auth;
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use Illuminate\Http\Request;
use Illuminate\Support\Arr;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Support\Facades\Mail;
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use Laravel\Socialite\Facades\Socialite;
use App\Providers\RouteServiceProvider;
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use App\Http\Controllers\Controller;
use App\Mail\SocialLink;
use App\Models\Oauth;
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use App\Models\AccountOauth;
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use App\User;
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class SocialLoginController extends Controller
{
public function redirectToProvider($provider)
{
return Socialite::with($provider)->redirect();
}
public function handleProviderCallback($provider)
{
$openiduser = Socialite::with($provider)->user();
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$oo = Oauth::firstOrCreate(['name'=>$provider,'active'=>TRUE]);
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// See if this user has connected and linked previously
$aoo = $oo->accounts->where('userid',$openiduser->id);
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if ($aoo->count() == 1)
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{
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$aoo = $aoo->first();
if ((is_null($user=$aoo->user) AND (is_null($aoo->account) OR is_null($user=$aoo->account->user))) OR ! $user->active)
{
if (! $user) {
$user = User::where('email',$openiduser->email)->first();
}
if (! $user OR ! $user->active)
{
return redirect('/login')->with('error','Invalid account, or account inactive, please contact an admin.');
}
return $this->link($provider,$aoo,$user);
}
// All Set to login
Auth::login($user,FALSE);
// If there are too many users, then we have a problem
} elseif ($aoo->count() > 1) {
return redirect('/login')->with('error','Seems you have multiple oauth IDs, please contact an admin.');
// User is using OAUTH for the first time.
} else {
$uo = User::active()->where('email',$openiduser->email);
// See if their is an account with this email address
if ($uo->count() == 1)
{
$aoo = new AccountOauth;
$aoo->userid = $openiduser->id;
$aoo->oauth_data = $openiduser->user;
$oo->accounts()->save($aoo);
return $this->link($provider,$aoo,$uo->first());
// If there are too many users, then we have a problem
} elseif ($uo->count() > 1) {
return redirect('/login')->with('error','Seems you have multiple accounts, please contact an admin.');
} else {
return redirect('/login')->with('error','Seems you dont have an account with that email, please contact an admin.');
}
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}
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return redirect()->intended(RouteServiceProvider::HOME);
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}
/**
* We have identified the user and oauth, just need them to confirm the link
*
* @param $provider
* @param User $uo
* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function link($provider,AccountOauth $ao,User $uo)
{
Mail::to($uo->email)->send(new SocialLink($ao));
return view('auth.social_link')
->with('oauthid',$ao->id)
->with('provider',$provider);
}
public function linkcomplete(Request $request,$provider)
{
// Load our oauth id
$aoo = AccountOauth::findOrFail($request->post('oauthid'));
// Check our email matches
if (Arr::get($aoo->oauth_data,'email','invalid') !== $request->post('email'))
return redirect('/login')->with('error','Account details didnt match to make link.');
// Check our token matches
if ($aoo->link_token !== $request->post('token'))
return redirect('/login')->with('error','Token details didnt match to make link.');
// Load our email.
$uo = User::where('email',$request->post('email'))->firstOrFail();
$aoo->user_id = $uo->id;
$aoo->save();
Auth::login($uo,FALSE);
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return redirect()->intended(RouteServiceProvider::HOME);
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}
}