Added oauth login

app/Http/Controllers/Auth/SocialLoginController.php

@@ -2,11 +2,20 @@
 
 namespace App\Http\Controllers\Auth;
 
+use App\Models\AccountOauth;
+use Illuminate\Http\Request;
+use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Auth;
-use App\Http\Controllers\Controller;
-
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Mail;
 use Socialite;
 
+use App\Http\Controllers\Controller;
+use App\Mail\SocialLink;
+use App\Models\Oauth;
+use App\User;
+use function App\Console\Commands\object_to_array;
+
 class SocialLoginController extends Controller
 {
 	public function redirectToProvider($provider)
@@ -18,16 +27,97 @@ class SocialLoginController extends Controller
 	{
 		$openiduser = Socialite::with($provider)->user();
 
-		$user = Socialite::with($provider)->findOrCreateUser($openiduser);
+		$oo = Oauth::firstOrCreate(['name'=>$provider,'active'=>TRUE]);
 
-		Auth::login($user,FALSE);
+		// See if this user has connected and linked previously
+		$aoo = $oo->accounts->where('userid',$openiduser->id);
 
-		/*
-		if (! $user->profile_update)
+		if ($aoo->count() == 1)
 		{
-			return redirect()->to(url('settings'));
+			$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.');
+			}
 		}
-		*/
+
+		return redirect()->intended();
+	}
+
+	/**
+	 * 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);
 
 		return redirect()->intended();
 	}