Paypal REST api ( Japanese version )
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This document discusses using the PayPal REST API to integrate PayPal payment functionality into a website. It includes information about registering as a PayPal developer, creating test accounts, making API calls to create payments, links to PayPal's developer documentation, and code samples in PHP for setting up API credentials, creating payments, executing payments, and handling callbacks.
![円ドル換算
private function getRatefromGoogle($to,$from){
$exchangeEndpoint = sprintf("http://rate-
exchange.appspot.com/currency?from=%s&to=%s",$from,$to);
$json = file_get_contents($exchangeEndpoint);
$data = json_decode($json, TRUE);
if($data){
return $data['rate'];
}
}
private function exchangeToUSD($amount,$currency="USD"){
if ($currency!="USD"){
$this->rate = $this->getRatefromGoogle($currency,"USD");
$amount_usd = round($amount / $this->rate, 2);
}else{
$amount_usd = $amount;
}
return $amount_usd;
}](https://image.slidesharecdn.com/paypal-130618193227-phpapp01/85/Paypal-REST-api-Japanese-version-15-320.jpg)
![コントローラ部(AcceptPayment)
public function __construct(){
parent::__construct();
$this->mModel = Model_Payment::forge();
$this->Model_PayPal = Model_PayPal::forge();
$this->return_url = XOOPS_URL . "/modules/bmpaypal/ExecutePayment/return/";
$this->cencel_url = XOOPS_URL . "/modules/bmpaypal/ExecutePayment/cancel/";
}
public function action_index(){
$payment_id = $this->mParams[0];
$this->template = 'AcceptPayment.html';
$object = $this->mModel->get($payment_id);
$uid = $this->root->mContext->mXoopsUser->get('uid');
$this->Model_PayPal->set($object);
$json_resp = $this->Model_PayPal->AcceptPayment( $this->return_url, $this->cencel_url );
// call REST api
$this->mModel->SavePaymentInfo( $payment_id, $json_resp['id'], $json_resp['state'] );
$this->links = $this->Model_PayPal->getLinks();
if ($json_resp){
$_SESSION['bmpaypal'] = $json_resp;
}
}](https://image.slidesharecdn.com/paypal-130618193227-phpapp01/85/Paypal-REST-api-Japanese-version-18-320.jpg)
![モデルその２(get_access_token)
function get_access_token($url, $postdata) {
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_POST, TRUE);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_USERPWD, $this->clientId . ":" . $this->clientSecret);
curl_setopt($curl, CURLOPT_HEADER, FALSE);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata);
curl_setopt($curl, CURLOPT_VERBOSE, TRUE);
$response = curl_exec( $curl );
if (empty($response)) {
// some kind of an error happened
die(curl_error($curl));
curl_close($curl); // close cURL handler
} else {
$info = curl_getinfo($curl);
$this->message[] = "Time took: " . $info['total_time']*1000 . "ms<br />";
curl_close($curl); // close cURL handler
if($info['http_code'] != 200 && $info['http_code'] != 201 ) {
$this->message[] = "Received error: " . $info['http_code']. "<br />";
$this->message[] = "Raw response:".$response."<br />";
return NULL;
}
}
// Convert the result from JSON format to a PHP array
$jsonResponse = json_decode( $response );
return $jsonResponse->access_token;
}](https://image.slidesharecdn.com/paypal-130618193227-phpapp01/85/Paypal-REST-api-Japanese-version-19-320.jpg)
![PayPal決済リンク取得
public function getLinks(){
if($this->json_resp) {
return $this->json_resp['links'];
}else{
return NULL;
}
}](https://image.slidesharecdn.com/paypal-130618193227-phpapp01/85/Paypal-REST-api-Japanese-version-21-320.jpg)
![モデルその２
function make_post_call($url, $postdata) {
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_POST, TRUE);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_HEADER, FALSE);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_HTTPHEADER, array(
'Authorization: Bearer '.$this->token,
'Accept: application/json',
'Content-Type: application/json'
));
curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata);
#curl_setopt($curl, CURLOPT_VERBOSE, TRUE);
$response = curl_exec( $curl );
if (empty($response)) {
// some kind of an error happened
die(curl_error($curl));
curl_close($curl); // close cURL handler
} else {
$info = curl_getinfo($curl);
echo "Time took: " . $info['total_time']*1000 . "ms<br />";
curl_close($curl); // close cURL handler
if($info['http_code'] != 200 && $info['http_code'] != 201 ) {
echo "Received error: " . $info['http_code']. "<br />";
echo "Raw response:".$response."<br />";
die();
}
}](https://image.slidesharecdn.com/paypal-130618193227-phpapp01/85/Paypal-REST-api-Japanese-version-28-320.jpg)
Paypal REST api ( Japanese version )
- 3. GitHub / bluemooninc • XoopsEC Distoribution(GPL V3) – https://github.com/bluemooninc/xoopsec • BmPayPal – REST Api Modulehttps://github.com/bluemooninc/bmp aypal
- 4. REST API Document • https://developer.paypal.com/webapps/develope r/docs/api/#create-a-payment
- 5. API利用に必要なパラメータ • EndPoint • Client ID • Secret
- 7. Test Account 作成 • Country=USでPersonalとBusinessを作る
- 9. REST API Credentials 確認
- 10. 注意点 • Cookie,Session変数で制御しているので、実PayPalアカウントでログ インしたブラウザでは、Sandboxアカウントは利用出来ない。 PayPal 実アカウント ログイン Browser Sandboxアカウントの作成と 実行結果の確認 別のBrowserで ショッピングと PayPalアカウント支払いのテス トを行う Web Service App
- 12. テスト口座の確認
- 13. Make your first call • https://developer.paypal.com/webapps/developer/doc s/integration/direct/make-your-first-call/
- 14. PayPalアカウント決済($)
- 15. 円ドル換算 private function getRatefromGoogle($to,$from){ $exchangeEndpoint = sprintf("http://rate- exchange.appspot.com/currency?from=%s&to=%s",$from,$to); $json = file_get_contents($exchangeEndpoint); $data = json_decode($json, TRUE); if($data){ return $data['rate']; } } private function exchangeToUSD($amount,$currency="USD"){ if ($currency!="USD"){ $this->rate = $this->getRatefromGoogle($currency,"USD"); $amount_usd = round($amount / $this->rate, 2); }else{ $amount_usd = $amount; } return $amount_usd; }
- 17. PayPal API準備完了 • REST APIでパラメータをセットしてPayPalアカウント決済の準備をす る • https://www.xoopsec.com/modules/bmpaypal/AcceptPayment/index/25
- 18. コントローラ部(AcceptPayment) public function __construct(){ parent::__construct(); $this->mModel = Model_Payment::forge(); $this->Model_PayPal = Model_PayPal::forge(); $this->return_url = XOOPS_URL . "/modules/bmpaypal/ExecutePayment/return/"; $this->cencel_url = XOOPS_URL . "/modules/bmpaypal/ExecutePayment/cancel/"; } public function action_index(){ $payment_id = $this->mParams[0]; $this->template = 'AcceptPayment.html'; $object = $this->mModel->get($payment_id); $uid = $this->root->mContext->mXoopsUser->get('uid'); $this->Model_PayPal->set($object); $json_resp = $this->Model_PayPal->AcceptPayment( $this->return_url, $this->cencel_url ); // call REST api $this->mModel->SavePaymentInfo( $payment_id, $json_resp['id'], $json_resp['state'] ); $this->links = $this->Model_PayPal->getLinks(); if ($json_resp){ $_SESSION['bmpaypal'] = $json_resp; } }
- 19. モデルその２(get_access_token) function get_access_token($url, $postdata) { $curl = curl_init($url); curl_setopt($curl, CURLOPT_POST, TRUE); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($curl, CURLOPT_USERPWD, $this->clientId . ":" . $this->clientSecret); curl_setopt($curl, CURLOPT_HEADER, FALSE); curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata); curl_setopt($curl, CURLOPT_VERBOSE, TRUE); $response = curl_exec( $curl ); if (empty($response)) { // some kind of an error happened die(curl_error($curl)); curl_close($curl); // close cURL handler } else { $info = curl_getinfo($curl); $this->message[] = "Time took: " . $info['total_time']*1000 . "ms<br />"; curl_close($curl); // close cURL handler if($info['http_code'] != 200 && $info['http_code'] != 201 ) { $this->message[] = "Received error: " . $info['http_code']. "<br />"; $this->message[] = "Raw response:".$response."<br />"; return NULL; } } // Convert the result from JSON format to a PHP array $jsonResponse = json_decode( $response ); return $jsonResponse->access_token; }
- 20. モデル部(AcceptPayment)public function &AcceptPayment($returnUrl,$cancelUrl) { // Get token for Authorization: Bearer $this->token = $this->get_access_token($this->host.$this->token_endpoint,$this->token_postArgs); if(is_null($this->token)) echoMessage($this->message); $url = $this->host.'/v1/payments/payment'; $payment = array( 'intent' => 'sale', 'redirect_urls' => array( 'return_url' => $returnUrl, 'cancel_url' => $cancelUrl ), 'payer' => array( 'payment_method' => 'paypal' ), 'transactions' => array (array( 'amount' => array( 'total' => $this->object->getVar('amount'), 'currency' => $this->object->getVar('currency') ), 'description' => 'Pass payment information to create a payment' )) ); $json = json_encode($payment); $this->json_resp = $this->make_post_call($url, $json); return $this->json_resp; }
- 21. PayPal決済リンク取得 public function getLinks(){ if($this->json_resp) { return $this->json_resp['links']; }else{ return NULL; } }
- 22. PayPalサイトへ
- 23. ログインして支払う
- 24. Return URL に戻る
- 27. 受け取り実行 public function executePayment($paypal_id,$payer_id){ // Get token for Authorization: Bearer $this->token = $this->get_access_token($this->host.$this- >token_endpoint,$this->token_postArgs); if ( is_null($this->token) ) echoMessage($this->message); $url = $this->host.'/v1/payments/payment/'.$paypal_id."/execute/"; $payment = array( 'payer_id' => $payer_id ); $json = json_encode($payment); $this->json_resp = $this->make_post_call($url, $json); return $this->json_resp; }
- 28. モデルその２ function make_post_call($url, $postdata) { $curl = curl_init($url); curl_setopt($curl, CURLOPT_POST, TRUE); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($curl, CURLOPT_HEADER, FALSE); curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($curl, CURLOPT_HTTPHEADER, array( 'Authorization: Bearer '.$this->token, 'Accept: application/json', 'Content-Type: application/json' )); curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata); #curl_setopt($curl, CURLOPT_VERBOSE, TRUE); $response = curl_exec( $curl ); if (empty($response)) { // some kind of an error happened die(curl_error($curl)); curl_close($curl); // close cURL handler } else { $info = curl_getinfo($curl); echo "Time took: " . $info['total_time']*1000 . "ms<br />"; curl_close($curl); // close cURL handler if($info['http_code'] != 200 && $info['http_code'] != 201 ) { echo "Received error: " . $info['http_code']. "<br />"; echo "Raw response:".$response."<br />"; die(); } }
- 29. 受け取り完了