Updates to LIPP & Future Payments

- Updated LIPP Sample code
- Updated Future Payments to have helper functions for retrieving access token
- Updated Logging Syntax to include timestamp and response json

sample/lipp/GenerateAccessTokenFromRefreshToken.php

@@ -0,0 +1,22 @@
+<?php
+
+// ### Obtain Access Token From Refresh Token
+
+require __DIR__ . '/../bootstrap.php';
+use PayPal\Auth\Openid\PPOpenIdTokeninfo;
+
+// You can retrieve the refresh token by executing ObtainUserConsent.php and store the refresh token
+$refreshToken = 'yzX4AkmMyBKR4on7vB5he-tDu38s24Zy-kTibhSuqA8kTdy0Yinxj7NpAyULx0bxqC5G8dbXOt0aVMlMmtpiVmSzhcjVZhYDM7WUQLC9KpaXGBHyltJPkLLQkXE';
+
+try {
+
+    $tokenInfo = new PPOpenIdTokeninfo();
+    $tokenInfo = $tokenInfo->createFromRefreshToken(array('refresh_token' => $refreshToken), $apiContext);
+
+} catch (PayPal\Exception\PPConnectionException $ex) {
+    echo "Exception: " . $ex->getMessage() . PHP_EOL;
+    var_dump($ex->getData());
+    exit(1);
+}
+
+print_result("Obtained Access Token From Refresh Token", "Access Token", $tokenInfo->getAccessToken(), $tokenInfo);

sample/lipp/GetUserInfo.php

@@ -0,0 +1,37 @@
+<?php
+
+// ### Obtain Access Token From Refresh Token
+require __DIR__ . '/../bootstrap.php';
+
+use PayPal\Auth\OpenId\PPOpenIdTokenInfo;
+use PayPal\Auth\OpenId\PPOpenIdUserInfo;
+
+// To obtain User Info, you have to follow three steps in general.
+// First, you need to obtain user's consent to retrieve the information you want.
+// This is explained in the example "ObtainUserConsent.php".
+
+// Once you get the user's consent, the end result would be long lived refresh token.
+// This refresh token should be stored in a permanent storage for later use.
+
+// Lastly, when you need to retrieve the user information, you need to generate the short lived access token
+// to retreive the information. The short lived access token can be retrieved using the example shown in
+// "GenerateAccessTokenFromRefreshToken.php", or as shown below
+
+// You can retrieve the refresh token by executing ObtainUserConsent.php and store the refresh token
+$refreshToken = 'yzX4AkmMyBKR4on7vB5he-tDu38s24Zy-kTibhSuqA8kTdy0Yinxj7NpAyULx0bxqC5G8dbXOt0aVMlMmtpiVmSzhcjVZhYDM7WUQLC9KpaXGBHyltJPkLLQkXE';
+
+try {
+
+    $tokenInfo = new PPOpenIdTokeninfo();
+    $tokenInfo = $tokenInfo->createFromRefreshToken(array('refresh_token' => $refreshToken), $apiContext);
+
+    $params = array('access_token' => $tokenInfo->getAccessToken());
+    $userInfo = PPOpenIdUserinfo::getUserinfo($params, $apiContext);
+
+} catch (PayPal\Exception\PPConnectionException $ex) {
+    echo "Exception: " . $ex->getMessage() . PHP_EOL;
+    var_dump($ex->getData());
+    exit(1);
+}
+
+print_result("User Information", "User Info", $userInfo->getUserId(), $userInfo->toJSON(JSON_PRETTY_PRINT));

sample/lipp/ObtainUserConsent.php

@@ -0,0 +1,22 @@
+<?php
+
+require __DIR__ . '/../bootstrap.php';
+
+use PayPal\Auth\Openid\PPOpenIdSession;
+
+$baseUrl = getBaseUrl() . '/UserConsentRedirect.php?success=true';
+
+// ### Get User Consent URL
+// The clientId is stored in the bootstrap file
+
+//Get Authorization URL returns the redirect URL that could be used to get user's consent
+$redirectUrl = PPOpenIdSession::getAuthorizationUrl(
+    $baseUrl,
+    array('profile', 'email', 'phone'),
+    null,
+    null,
+    null,
+    $apiContext
+);
+
+print_result("Generated the User Consent URL", "URL", null, '<a href="'. $redirectUrl . '" >Click Here to Obtain User Consent</a>');

sample/lipp/UserConsentRedirect.php

@@ -0,0 +1,28 @@
+<?php
+
+require __DIR__ . '/../bootstrap.php';
+
+use PayPal\Auth\Openid\PPOpenIdTokeninfo;
+use PayPal\Exception\PPConnectionException;
+
+session_start();
+
+// ### User Consent Response
+// PayPal would redirect the user to the redirect_uri mentioned when creating the consent URL.
+// The user would then able to retrieve the access token by getting the code, which is returned as a GET parameter.
+if (isset($_GET['success']) && $_GET['success'] == 'true') {
+
+    $code = $_GET['code'];
+
+    try {
+        // Obtain Authorization Code from Code, Client ID and Client Secret
+        $accessToken = PPOpenIdTokeninfo::createFromAuthorizationCode(array('code' => $code), null, null, $apiContext);
+    } catch (PPConnectionException $ex) {
+            echo "Exception: " . $ex->getMessage() . PHP_EOL;
+            var_dump($ex->getData());
+            exit(1);
+    }
+
+    print_result("Obtained Access Token", "Access Token", $accessToken->getAccessToken(), $accessToken);
+
+}