Support for handling php login using any Oauth service you require.

* Interface for User and Session with it's respective services interface.
* Abstract classes for getting user-details from the OauthServiceProvider
* Strategy interface for implementing any oauth strategy.
* Default implementation for Oauth strategy where you can just pass the required url's and credentials for creating an oauth-strategy

Author: abhayjatindoshi

.gitignore

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+/vendor

composer.json

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+{
+    "name": "encryptorcode/php-oauth-login",
+    "description": "An authentication framework which lets you to configure any type of authentication using OAuth (includes login with Google, Facebook, Github etc.) all with user management in your control.",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Abhay Jatin Doshi",
+            "email": "[email protected]"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "encryptorcode\\authentication\\": "src/"
+        }
+    },
+    "require": {
+        "encryptorcode/php-http-client": "^1.0",
+        "encryptorcode/php-server-utils": "^1.0"
+    }
+}

composer.lock

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+<?php
+namespace encryptorcode\authentication\implementation;
+
+use encryptorcode\authentication\oauth\OauthStrategy as OauthStrategy;
+use encryptorcode\authentication\oauth\OauthToken as OauthToken;
+use encryptorcode\authentication\oauth\OauthUser as OauthUser;
+use encryptorcode\httpclient\HttpRequest as HttpRequest;
+
+abstract class DefaultOauthStrategy implements OauthStrategy{
+    
+    private $helper;
+    private $details;
+
+    public function __construct(OauthStrategyHelper $helper){
+        $this->helper = $helper;
+        $this->details = $helper->getDetails();
+    }
+
+    public function getLoginUrl(string $state) : string{
+        $loginUrl = $this->details->loginUrl .
+                "?client_id=" . $this->details->clientId .
+                "&redirect_uri=" . $this->details->redirectUri .
+                "&scope=" . $this->details->scope .
+                "&access_type=offline" .
+                "&response_type=code" .
+                "&prompt=consent" .
+                "&state=" . $state;
+        return $loginUrl;
+    }
+    
+    public function generateToken(string $grantCode) : OauthToken{
+        $response = HttpRequest::post($this->details->tokenUrl)
+            ->formParam("code",$grantCode)
+            ->formParam("client_id",$this->details->clientId)
+            ->formParam("client_secret",$this->details->clientSecret)
+            ->formParam("redirect_uri",$this->details->redirectUri)
+            ->formParam("grant_type","authorization_code")
+            ->getResponse();
+
+        $token = $this->helper->readToken($response->getBody());
+        return $token;
+    }
+    
+    public function regenerateToken(string $refreshToken) : OauthToken{
+        $response = HttpRequest::post($this->details->tokenUrl)
+            ->formParam("refresh_token",$refreshToken)
+            ->formParam("client_id",$this->details->clientId)
+            ->formParam("client_secret",$this->details->clientSecret)
+            ->formParam("redirect_uri",$this->details->redirectUri)
+            ->formParam("grant_type","authorization_code")
+            ->getResponse();
+
+        $token = $this->helper->readToken($response->getBody());
+        return $token;
+    }
+    
+    public function revokeToken(string $refreshToken) : void{
+        $reponse = HttpRequest::post($this->details->revokeUrl)
+            ->formParam("token",$refreshToken)
+            ->getResponse();
+    }
+    
+    public function getUser(string $accessToken) : OauthUser{
+        $response = HttpRequest::get($this->details->userUrl)
+            ->header("Authorization","Bearer ".$accessToken)
+            ->getResponse();
+
+        return $this->helper->readUser($response->getBody());
+    }
+}

src/implementation/DefaultOauthStrategy.php

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+<?php
+namespace encryptorcode\authentication\implementation;
+
+class OauthStrategyDetails{
+    public $strategyName;
+    public $loginUrl;
+    public $clientId;
+    public $clientSecret;
+    public $redirectUri;
+    public $tokenUrl;
+    public $revokeUrl;
+    public $userUrl;
+    public $scope;
+
+    public function __construct(string $loginUrl, string $clientId, string $clientSecret, string $redirectUri, string $tokenUrl, string $revokeUrl, string $userUrl, string $scope){
+        $this->loginUrl = $loginUrl;
+        $this->clientId = $clientId;
+        $this->clientSecret = $clientSecret;
+        $this->redirectUri = $redirectUri;
+        $this->tokenUrl = $tokenUrl;
+        $this->revokeUrl = $revokeUrl;
+        $this->userUrl = $userUrl;
+        $this->scope = $scope;
+    }
+}

src/implementation/OauthStrategyDetails.php

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+<?php
+namespace encryptorcode\authentication\implementation;
+
+use encryptorcode\authentication\oauth\OauthUser as OauthUser;
+use encryptorcode\authentication\oauth\OauthToken as OauthToken;
+
+abstract class OauthStrategyHelper{
+    public abstract function getDetails() : OauthStrategyDetails;
+    public abstract function readUser(string $user) : OauthUser;
+    public abstract function readToken(string $token) : OauthToken;
+}

src/implementation/OauthStrategyHelper.php

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+<?php
+namespace encryptorcode\authentication\oauth;
+
+class OauthException extends Exception{
+    
+}

src/oauth/OauthException.php

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+<?php
+namespace encryptorcode\authentication\oauth;
+
+interface OauthStrategy{
+    public function getLoginUrl(string $state) : string;
+    public function generateToken(string $grantCode) : OauthToken;
+    public function regenerateToken(string $refreshToken) : OauthToken;
+    public function revokeToken(string $refreshToken) : void;
+    public function getUser(string $accessToken) : OauthUser;
+}

src/oauth/OauthStrategy.php

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+<?php
+namespace encryptorcode\authentication\oauth;
+
+class OauthToken implements \JsonSerializable{
+    private $accessToken;
+    private $refreshToken;
+    private $expiryTime;
+
+    public function __construct(string $accessToken, string $refreshToken, int $expiryTime) {
+        $this->accessToken = $accessToken;
+        $this->refreshToken = $refreshToken;
+        $this->expiryTime = $expiryTime;
+    }
+
+    public function getAccessToken() : string{
+        return $this->accessToken;
+    }
+
+    public function getRefreshToken() : string {
+        return $this->refreshToken;
+    }
+
+    public function getExpiryTime() : string{
+        return $this->expiryTime;
+    }
+
+    public function setAccessToken(string $accessToken) : OauthToken {
+        $this->accessToken = $accessToken;
+        return $this;
+    }
+
+    public function setRefreshToken(string $refreshToken) : OauthToken {
+        $this->refreshToken = $refreshToken;
+        return $this;
+    }
+
+    public function setExpiryTime(int $expiryTime) : OauthToken {
+        $this->expiryTime = $expiryTime;
+        return $this;
+    }
+
+    public function jsonSerialize(){
+        return [
+            "accessToken" => $this->accessToken,
+            "refreshToken" => $this->refreshToken,
+            "expiryTime" => $this->expiryTime
+        ];
+    }
+
+}

src/oauth/OauthToken.php

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+<?php
+namespace encryptorcode\authentication\oauth;
+
+class OauthUser{
+    private $oauthId;
+    private $email;
+    private $fullName;
+    private $name;
+    private $profileImage;
+
+    public function __construct(string $oauthId, string $email, string $fullName, string $name, string $profileImage) {
+        $this->oauthId = $oauthId;
+        $this->email = $email;
+        $this->fullName = $fullName;
+        $this->name = $name;
+        $this->profileImage = $profileImage;
+    }
+
+    public function getOauthId() : string {
+        return $this->oauthId;
+    }
+
+    public function getEmail() : string {
+        return $this->email;
+    }
+
+    public function getFullName() : string {
+        return $this->fullName;
+    }
+
+    public function getName() : string {
+        return $this->name;
+    }
+
+    public function getProfileImage() : string {
+        return $this->profileImage;
+    }
+
+}