mintpay / mintpay.php

mintpay.php in Mintpay 1.0.1, at mintpay.php

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1	<?php
2	/**
3	* Plugin Name: Mintpay
4	* Plugin URI: https://www.mintpay.lk
5	* Description: WooCommerce plugin of Mintpay. Sri Lanka's first buy now pay later platform, that allows consumers to split their payment into 3 interst-free installments.
6	* Version: 1.0.1
7	* Author: Mintpay (Private) Limited
8	* Author URI: https://www.mintpay.lk
9	* Text Domain: mintpay
10	* Requires at least: 4.6
11	* Requires PHP: 5.6
12	*
13	* @package Mintpay
14	*/
15
16	add_action('plugins_loaded', 'woocommerce_gateway_mintpay_init', 0);
17	define('mintpay_IMG', WP_PLUGIN_URL . "/" . plugin_basename(dirname(__FILE__)) . '/assets/img/');
18
19	function woocommerce_gateway_mintpay_init()
20	{
21	if (!class_exists('WC_Payment_Gateway')) return;
22
23	if (!session_id()) {
24	session_start([
25	'read_and_close' => true,
26	]);
27	}
28
29	/**
30	* Gateway class
31	*/
32	class WC_Gateway_mintpay extends WC_Payment_Gateway
33	{
34	/**
35	* Make __construct()
36	**/
37	public function __construct()
38	{
39	$this->id = 'mintpay'; // ID for WC to associate the gateway values
40	$this->icon = "https://static.mintpay.lk/static/base/logo/mintpay_logo.png";
41	$this->method_title = "Mintpay"; // Gateway Title as seen in Admin Dashboad
42	$this->method_description = "Sri Lanka's first buy now pay later platform, that allows consumers to split their payment into 3 interst-free installments.";
43	$this->has_fields = false; // Inform WC if any fileds have to be displayed to the visitor in Frontend
44
45	$this->init_form_fields(); // defines your settings to WC
46	$this->init_settings(); // loads the Gateway settings into variables for WC
47
48	$this->title = 'Mintpay';
49	$this->description = "Pay in 3 interest-free instalments using your <b>" . esc_html__('Debit / Credit', 'mintpay') . "</b> card.";
50	$this->merchant_id = $this->get_option('merchant_id');
51	$this->merchant_secret = $this->get_option('merchant_secret');
52	$this->test_mode = 'yes' === $this->get_option('test_mode');
53
54	$this->msg['message'] = '';
55	$this->msg['class'] = '';
56
57	add_action('init', array(&$this, 'check_mintpay_response'));
58	add_action('woocommerce_api_' . strtolower(get_class($this)), array($this, 'check_mintpay_response')); //update for woocommerce >2.0
59	add_action('woocommerce_gateway_icon', array($this, 'modify_gateway_icon_css'), 10, 2);
60
61	if (version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>=')) {
62	add_action('woocommerce_update_options_payment_gateways_' . $this->id, array(&$this, 'process_admin_options')); //update for woocommerce >2.0
63	} else {
64	add_action('woocommerce_update_options_payment_gateways', array(&$this, 'process_admin_options')); // WC-1.6.6
65	}
66	add_action('woocommerce_receipt_mintpay', array(&$this, 'receipt_page'));
67	} //END-__construct
68
69	function modify_gateway_icon_css($icon_html, $payment_gateway_id)
70	{
71	if ($payment_gateway_id != $this->id) {
72	return $icon_html;
73	}
74
75	$new_css = 'class="ph-logo-style" src';
76	$icon_html = preg_replace('/(src){1}/', $new_css, $icon_html);
77
78	return $icon_html;
79	}
80
81	/**
82	* Initiate Form Fields in the Admin Backend
83	**/
84	function init_form_fields()
85	{
86	$this->form_fields = array(
87	// Activate the Gateway
88	'enabled' => array(
89	'title' => __('Enable', 'mintpay'),
90	'type' => 'checkbox',
91	'label' => __('Enable mintpay gateway', 'mintpay'),
92	'default' => 'yes',
93	'description' => __('Show mintpay as a payment option at checkout', 'mintpay'),
94	'desc_tip' => true
95	),
96
97	// Activate Test mode
98	'test_mode' => array(
99	'title' => __('Test Mode', 'mintpay'),
100	'type' => 'checkbox',
101	'label' => __('Enable test mode', 'mintpay'),
102	'default' => 'yes',
103	'description' => __('Test mintpay payment gateway in sandbox environment', 'mintpay'),
104	'desc_tip' => true
105	),
106
107	// LIVE Key-ID
108	'merchant_id' => array(
109	'title' => __('Merchant ID', 'mintpay'),
110	'type' => 'text',
111	'description' => __('Your mintpay Merchant ID'),
112	'desc_tip' => true
113	),
114	// LIVE Key-Secret
115	'merchant_secret' => array(
116	'title' => __('Merchant Secret', 'mintpay'),
117	'type' => 'text',
118	'description' => __('Your mintpay Merchant Secret'),
119	'desc_tip' => true
120	),
121	);
122	} //END-init_form_fields
123
124	/**
125	* Admin Panel Options
126	* - Show info on Admin Backend
127	**/
128	public function admin_options()
129	{
130	_e('<h3> Mintpay </h3>', 'mintpay');
131	_e('<p> WooCommerce payment plugin of Mintpay payment gateway. Sri Lanka\'s first buy now pay later platform, that allows consumers to split their payment into 3 interst-free installments </p>', 'mintpay');
132	_e('<table class="form-table">', 'mintpay');
133	// Generate the HTML For the settings form.
134	$this->generate_settings_html();
135	_e('</table>', 'mintpay');
136	} //END-admin_options
137
138	/**
139	* There are no payment fields, but we want to show the description if set.
140	**/
141	function payment_fields()
142	{
143	if ($this->description) {
144	_e($this->description);
145	}
146	} //END-payment_fields
147
148	/**
149	* Receipt Page
150	**/
151	function receipt_page($order)
152	{
153	_e('<p><strong>' . esc_html__('Thank you for your order') . '.<br/>' . esc_html__('The payment page will open soon.') . '</strong></p>', 'mintpay');
154	_e($this->generate_mintpay_form($order));
155	} //END-receipt_page
156
157	/**
158	* Generate button link
159	**/
160	function generate_mintpay_form($order_id)
161	{
162	global $woocommerce;
163
164	$order = wc_get_order($order_id);
165
166	$merchant_id = $this->merchant_id;
167	$merchant_secret = $this->merchant_secret;
168	$amount = $order->get_total();
169
170	$success_hash = hash_hmac('sha256', $merchant_id . sprintf("%.02f", round($amount, 2)) . $order_id, $merchant_secret);
171	$fail_hash = hash_hmac('sha256', $order_id, $merchant_secret);
172
173
174	$_SESSION['order_id'] = $order_id;
175
176	$redirect_url = $order->get_checkout_order_received_url();
177
178	$notify_url = "";
179	// Redirect URL : For WooCoomerce 2.0
180	if (version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>=')) {
181	$notify_url = add_query_arg('wc-api', get_class($this), $redirect_url);
182	}
183
184	$success_url = $notify_url . '&orderId=' . $order_id . '&hash=' . base64_encode($success_hash);
185	$fail_url = $notify_url . '&orderId=' . $order_id . '&hash=' . base64_encode($fail_hash);
186
187
188	if ($this->test_mode) {
189	$api_url = "https://dev.mintpay.lk/user-order/api/";
190	$form_url = "https://dev.mintpay.lk/user-order/login/";
191	} else {
192	$api_url = "https://app.mintpay.lk/user-order/api/";
193	$form_url = "https://app.mintpay.lk/user-order/login/";
194	}
195
196	foreach ($order->get_items() as $item_id => $item) {
197
198	$order_items[] = array(
199	'name' => $item->get_name(),
200	'product_id' => $item->get_product_id(),
201	'sku' => $item->get_type(),
202	'quantity' => $item->get_quantity(),
203	'unit_price' => $item->get_total(),
204	'created_date' => "2001-10-01 01:10:01",
205	'updated_date' => "2001-10-01 01:10:01",
206	'discount' => "0.00"
207	);
208	}
209
210	// request body sent to mintpay api
211	$postData = [
212	'merchant_id' => $merchant_id,
213	'order_id' => $order_id,
214	'total_price' => $amount,
215	'discount' => $order->get_total_discount(),
216	'customer_id' => $order->get_customer_id(),
217	'customer_email' => $order->get_billing_email(),
218	'customer_telephone' => $order->get_billing_phone(),
219	'ip' => $order->get_customer_ip_address(),
220	'x_forwarded_for' => $order->get_customer_ip_address(),
221	'delivery_street' => $order->get_billing_address_1() . $order->get_billing_address_2(),
222	'delivery_region' => $order->get_billing_city(),
223	'delivery_postcode' => $order->get_billing_postcode(),
224	'cart_created_date' => date_format($order->get_date_created(), "Y-m-d H:i:s"),
225	'cart_updated_date' => date_format($order->get_date_modified(), "Y-m-d H:i:s"),
226	'success_url' => $success_url,
227	'fail_url' => $fail_url,
228	'products' => $order_items,
229	'currency_code' => $order->get_currency(),
230	'currency_symbol' => get_woocommerce_currency_symbol($order->get_currency())
231	];
232
233	// headers sent with the request
234	$headers = [
235	'Authorization' => 'Token ' . $merchant_secret,
236	'Content-Type' => 'application/json',
237	];
238
239	// create arguments for the post request
240	$args = array(
241	'body' => json_encode($postData),
242	'headers' => $headers,
243	'timeout' => '15',
244	'redirection' => '5',
245	'httpversion' => '1.0',
246	'blocking' => true,
247	);
248
249	// receive the response and retreive the body and decode json
250	$response = wp_remote_post($api_url, $args);
251	$response_body = wp_remote_retrieve_body($response);
252	$mintpayRequestData = json_decode($response_body, true);
253
254	/**
255	* when debugging API issues use logs (i.e: file_put_contents)
256	*/
257
258	if (isset($mintpayRequestData['message']) && $mintpayRequestData['message'] == 'Success') {
259
260	return '<form action="' . $form_url . '"method="post" id="mintpay_payment_form">
261	<input type="hidden" name="purchase_id" value="' . $mintpayRequestData['data'] . '" >
262	<input type="submit" class="button-alt" id="submit_mintpay_payment_form" value="' . __('Pay via Mintpay', 'mintpay') . '" /> <a class="button cancel" href="' . $order->get_cancel_order_url() . '">' . __('Cancel order & restore cart', 'mintpay') . '</a>
263	<script type="text/javascript">
264	jQuery(function(){
265	jQuery("body").block({
266	message: "' . __('Thanks for your order! We are now redirecting you to Mintpay payment gateway to make the payment.', 'mintpay') . '",
267	overlayCSS: {
268	background : "#fff",
269	opacity : 0.8
270	},
271	css: {
272	padding : 20,
273	textAlign : "center",
274	color : "#333",
275	border : "1px solid #eee",
276	backgroundColor : "#fff",
277	cursor : "wait",
278	lineHeight : "32px"
279	}
280	});
281	jQuery("#submit_mintpay_payment_form").click();});
282	</script>
283	</form>';
284	} else {
285	return wp_redirect(wc_get_cart_url());
286	}
287	} //END-generate_mintpay_form
288
289
290	function check_mintpay_response()
291	{
292	global $woocommerce;
293
294	if (isset($_GET['key']) && isset($_GET['hash'])) {
295
296	if (isset($_GET['orderId'])) {
297	$order = wc_get_order($_GET['orderId']);
298
299	$post_success_hash = hash_hmac('sha256', $this->merchant_id . sprintf("%.02f", round($order->get_total(), 2)) . $_GET['orderId'], $this->merchant_secret);
300
301	$post_failed_hash = hash_hmac('sha256', $_GET['orderId'], $this->merchant_secret);
302
303	if (base64_decode($_GET['hash']) == $post_success_hash) {
304	$order->payment_complete();
305	$order->add_order_note(__('Mintpay payment completed', 'mintpay'));
306	$woocommerce->cart->empty_cart();
307	wp_redirect($order->get_checkout_order_received_url());
308	} else if (base64_decode($_GET['hash']) == $post_failed_hash) {
309	$cancelled_text = "Payment failed.";
310	wc_add_notice($cancelled_text, 'error');
311	$order->update_status('failed', $cancelled_text);
312	wp_redirect($order->get_checkout_payment_url());
313	} else {
314	$cancelled_text = "Suspicious response.";
315	$order->update_status('cancelled', $cancelled_text);
316	wc_add_notice(__('Payment error:', 'woothemes') . $cancelled_text, 'error');
317	wp_redirect($order->get_checkout_payment_url());
318	}
319	} else {
320	wp_redirect(wc_get_checkout_url() . "A");
321	}
322	} else {
323	wp_redirect(wc_get_checkout_url() . "B");
324	}
325	}
326
327	/**
328	* Process the payment and return the result
329	**/
330	function process_payment($order_id)
331	{
332	global $woocommerce;
333	$order = new WC_Order($order_id);
334
335	if (version_compare(WOOCOMMERCE_VERSION, '2.1.0', '>=')) { // For WC 2.1.0
336	$checkout_payment_url = $order->get_checkout_payment_url(true);
337	} else {
338	$checkout_payment_url = get_permalink(get_option('woocommerce_pay_page_id'));
339	}
340
341	return array(
342	'result' => 'success',
343	'redirect' => add_query_arg(
344	'order',
345	$order->get_id(),
346	add_query_arg(
347	'key',
348	$order->get_order_key(),
349	$checkout_payment_url
350	)
351	)
352	);
353	} //END-process_payment
354
355
356	/**
357	* Get Page list from WordPress
358	**/
359	function mintpay_get_pages($title = false, $indent = true)
360	{
361	$wp_pages = get_pages('sort_column=menu_order');
362	$page_list = array();
363	if ($title) $page_list[] = $title;
364	foreach ($wp_pages as $page) {
365	$prefix = '';
366	// show indented child pages?
367	if ($indent) {
368	$has_parent = $page->post_parent;
369	while ($has_parent) {
370	$prefix .= ' - ';
371	$next_page = get_post($has_parent);
372	$has_parent = $next_page->post_parent;
373	}
374	}
375	// add to page list array array
376	$page_list[$page->ID] = $prefix . $page->post_title;
377	}
378	return $page_list;
379	} //END-mintpay_get_pages
380
381	} //END-class
382
383	/**
384	* Add the Gateway to WooCommerce
385	**/
386	function woocommerce_add_gateway_mintpay_gateway($methods)
387	{
388	$methods[] = 'WC_Gateway_mintpay';
389	return $methods;
390	} //END-wc_add_gateway
391
392	add_filter('woocommerce_payment_gateways', 'woocommerce_add_gateway_mintpay_gateway');
393	} //END-init
394
395	/**
396	* 'Settings' link on plugin page
397	**/
398	add_filter('plugin_action_links', 'mintpay_add_action_plugin', 10, 5);
399	function mintpay_add_action_plugin($actions, $plugin_file)
400	{
401	static $plugin;
402
403	if (!isset($plugin))
404	$plugin = plugin_basename(__FILE__);
405	if ($plugin == $plugin_file) {
406
407	$settings = array('settings' => '<a href="admin.php?page=wc-settings&tab=checkout&section=wc_gateway_mintpay">' . __('Settings') . '</a>');
408
409	$actions = array_merge($settings, $actions);
410	}
411
412	return $actions;
413	} //END-settings_add_action_link
414
415	include_once("price_break_down.php");