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<?php

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/**

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* Class for the Stripe API.

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* @link https://stripe.com/docs/api

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class WPCF7_Stripe_API {

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const api_version = '2022-11-15';

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const partner_id = 'pp_partner_HHbvqLh1AaO7Am';

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const app_name = 'WordPress Contact Form 7';

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const app_url = 'https://contactform7.com/stripe-integration/';

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private $secret;

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/**

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* Constructor.

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* @param string $secret Secret key.

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public function __construct( $secret ) {

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$this->secret = $secret;

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}

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/**

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* Sends a debug information for a remote request to the PHP error log.

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* @param string $url URL to retrieve.

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* @param array $request Request arguments.

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* @param array|WP_Error $response The response or WP_Error on failure.

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private function log( $url, $request, $response ) {

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wpcf7_log_remote_request( $url, $request, $response );

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}

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/**

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* Returns default set of HTTP request headers used for Stripe API.

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* @link https://stripe.com/docs/building-plugins#setappinfo

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* @return array An associative array of headers.

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private function default_headers() {

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$app_info = array(

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'name' => self::app_name,

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'partner_id' => self::partner_id,

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'url' => self::app_url,

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'version' => WPCF7_VERSION,

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);

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$ua = array(

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'lang' => 'php',

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'lang_version' => PHP_VERSION,

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'application' => $app_info,

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);

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$headers = array(

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'Authorization' => sprintf( 'Bearer %s', $this->secret ),

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'Stripe-Version' => self::api_version,

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'X-Stripe-Client-User-Agent' => wp_json_encode( $ua ),

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'User-Agent' => sprintf(

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'%1$s/%2$s (%3$s)',

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self::app_name,

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WPCF7_VERSION,

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self::app_url

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);

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return $headers;

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}

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/**

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* Creates a Payment Intent.

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* @link https://stripe.com/docs/api/payment_intents/create

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* @param string|array $args Optional. Arguments to control behavior.

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* @return array|bool An associative array if 200 OK, false otherwise.

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public function create_payment_intent( $args = '' ) {

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$args = wp_parse_args( $args, array(

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'amount' => 0,

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'currency' => '',

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'receipt_email' => '',

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) );

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if ( ! is_email( $args['receipt_email'] ) ) {

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unset( $args['receipt_email'] );

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}

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$endpoint = 'https://api.stripe.com/v1/payment_intents';

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$request = array(

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'headers' => $this->default_headers(),

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'body' => $args,

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);

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$response = wp_remote_post( sanitize_url( $endpoint ), $request );

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if ( 200 != wp_remote_retrieve_response_code( $response ) ) {

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if ( WP_DEBUG ) {

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$this->log( $endpoint, $request, $response );

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}

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return false;

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}

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$response_body = wp_remote_retrieve_body( $response );

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$response_body = json_decode( $response_body, true );

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return $response_body;

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}

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/**

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* Retrieve a Payment Intent.

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* @link https://stripe.com/docs/api/payment_intents/retrieve

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* @param string $id Payment Intent identifier.

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* @return array|bool An associative array if 200 OK, false otherwise.

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public function retrieve_payment_intent( $id ) {

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$endpoint = sprintf(

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'https://api.stripe.com/v1/payment_intents/%s',

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urlencode( $id )

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);

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$request = array(

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'headers' => $this->default_headers(),

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);

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$response = wp_remote_get( sanitize_url( $endpoint ), $request );

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if ( 200 != wp_remote_retrieve_response_code( $response ) ) {

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if ( WP_DEBUG ) {

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$this->log( $endpoint, $request, $response );

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}

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return false;

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}

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$response_body = wp_remote_retrieve_body( $response );

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$response_body = json_decode( $response_body, true );

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return $response_body;

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}

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}

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