Passed
Push — master ( 114ba5...63d401 )
by Brian
03:52
created

GetPaid_Paypal_Gateway::connect_paypal()   B

Complexity

Conditions 9
Paths 64

Size

Total Lines 60
Code Lines 35

Duplication

Lines 0
Ratio 0 %

Importance

Changes 4
Bugs 0 Features 1
Metric Value
cc 9
eloc 35
c 4
b 0
f 1
nc 64
nop 1
dl 0
loc 60
rs 8.0555

How to fix   Long Method   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

1
<?php
2
/**
3
 * Paypal payment gateway
4
 *
5
 */
6
7
defined( 'ABSPATH' ) || exit;
8
9
/**
10
 * Paypal Payment Gateway class.
11
 *
12
 */
13
class GetPaid_Paypal_Gateway extends GetPaid_Payment_Gateway {
14
15
    /**
16
	 * Payment method id.
17
	 *
18
	 * @var string
19
	 */
20
    public $id = 'paypal';
21
22
    /**
23
	 * An array of features that this gateway supports.
24
	 *
25
	 * @var array
26
	 */
27
    protected $supports = array( 'subscription', 'sandbox', 'single_subscription_group' );
28
29
    /**
30
	 * Payment method order.
31
	 *
32
	 * @var int
33
	 */
34
    public $order = 1;
35
36
    /**
37
	 * Stores line items to send to PayPal.
38
	 *
39
	 * @var array
40
	 */
41
    protected $line_items = array();
42
43
    /**
44
	 * Endpoint for requests from PayPal.
45
	 *
46
	 * @var string
47
	 */
48
	protected $notify_url;
49
50
	/**
51
	 * Endpoint for requests to PayPal.
52
	 *
53
	 * @var string
54
	 */
55
    protected $endpoint;
56
57
    /**
58
	 * Currencies this gateway is allowed for.
59
	 *
60
	 * @var array
61
	 */
62
	public $currencies = array( 'AUD', 'BRL', 'CAD', 'MXN', 'NZD', 'HKD', 'SGD', 'USD', 'EUR', 'JPY', 'TRY', 'NOK', 'CZK', 'DKK', 'HUF', 'ILS', 'MYR', 'PHP', 'PLN', 'SEK', 'CHF', 'TWD', 'THB', 'GBP', 'RMB', 'RUB', 'INR' );
63
64
    /**
65
	 * URL to view a transaction.
66
	 *
67
	 * @var string
68
	 */
69
    public $view_transaction_url = 'https://www.{sandbox}paypal.com/activity/payment/%s';
70
71
    /**
72
	 * URL to view a subscription.
73
	 *
74
	 * @var string
75
	 */
76
	public $view_subscription_url = 'https://www.{sandbox}paypal.com/cgi-bin/webscr?cmd=_profile-recurring-payments&encrypted_profile_id=%s';
77
78
    /**
79
	 * Class constructor.
80
	 */
81
	public function __construct() {
82
83
        $this->title                = __( 'PayPal Standard', 'invoicing' );
84
        $this->method_title         = __( 'PayPal Standard', 'invoicing' );
85
        $this->checkout_button_text = __( 'Proceed to PayPal', 'invoicing' );
86
        $this->notify_url           = wpinv_get_ipn_url( $this->id );
87
88
		add_filter( 'getpaid_paypal_args', array( $this, 'process_subscription' ), 10, 2 );
89
        add_filter( 'getpaid_paypal_sandbox_notice', array( $this, 'sandbox_notice' ) );
90
		add_filter( 'getpaid_get_paypal_connect_url', array( $this, 'maybe_get_connect_url' ), 10, 2 );
91
		add_action( 'getpaid_authenticated_admin_action_connect_paypal', array( $this, 'connect_paypal' ) );
92
93
        parent::__construct();
94
    }
95
96
    /**
97
	 * Process Payment.
98
	 *
99
	 *
100
	 * @param WPInv_Invoice $invoice Invoice.
101
	 * @param array $submission_data Posted checkout fields.
102
	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
103
	 * @return array
104
	 */
105
	public function process_payment( $invoice, $submission_data, $submission ) {
106
107
        // Get redirect url.
108
        $paypal_redirect = $this->get_request_url( $invoice );
109
110
        // Add a note about the request url.
111
        $invoice->add_note(
112
            sprintf(
113
                __( 'Redirecting to PayPal: %s', 'invoicing' ),
114
                esc_url( $paypal_redirect )
115
            ),
116
            false,
117
            false,
118
            true
119
        );
120
121
        // Redirect to PayPal
122
        wp_redirect( $paypal_redirect );
123
        exit;
0 ignored issues
show
Best Practice introduced by
Using exit here is not recommended.

In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.

Loading history...
124
125
    }
126
127
    /**
128
	 * Get the PayPal request URL for an invoice.
129
	 *
130
	 * @param  WPInv_Invoice $invoice Invoice object.
131
	 * @return string
132
	 */
133
	public function get_request_url( $invoice ) {
134
135
        // Endpoint for this request
136
		$this->endpoint    = $this->is_sandbox( $invoice ) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr?test_ipn=1&' : 'https://www.paypal.com/cgi-bin/webscr?';
137
138
        // Retrieve paypal args.
139
        $paypal_args       = map_deep( $this->get_paypal_args( $invoice ), 'urlencode' );
140
141
        if ( $invoice->is_recurring() ) {
142
            $paypal_args['bn'] = 'GetPaid_Subscribe_WPS_US';
143
        } else {
144
            $paypal_args['bn'] = 'GetPaid_ShoppingCart_WPS_US';
145
        }
146
147
        return add_query_arg( $paypal_args, $this->endpoint );
148
149
	}
150
151
    /**
152
	 * Get PayPal Args for passing to PP.
153
	 *
154
	 * @param  WPInv_Invoice $invoice Invoice object.
155
	 * @return array
156
	 */
157
	protected function get_paypal_args( $invoice ) {
158
159
        // Whether or not to send the line items as one item.
160
		$force_one_line_item = apply_filters( 'getpaid_paypal_force_one_line_item', true, $invoice );
161
162
		if ( $invoice->is_recurring() || ( wpinv_use_taxes() && wpinv_prices_include_tax() ) ) {
163
			$force_one_line_item = true;
164
		}
165
166
		$paypal_args = apply_filters(
167
			'getpaid_paypal_args',
168
			array_merge(
169
				$this->get_transaction_args( $invoice ),
170
				$this->get_line_item_args( $invoice, $force_one_line_item )
171
			),
172
			$invoice
173
		);
174
175
		return $this->fix_request_length( $invoice, $paypal_args );
176
    }
177
178
    /**
179
	 * Get transaction args for paypal request.
180
	 *
181
	 * @param WPInv_Invoice $invoice Invoice object.
182
	 * @return array
183
	 */
184
	protected function get_transaction_args( $invoice ) {
185
186
		return array(
187
            'cmd'           => '_cart',
188
            'business'      => wpinv_get_option( 'paypal_email', false ),
189
            'no_shipping'   => '1',
190
            'shipping'      => '0',
191
            'no_note'       => '1',
192
            'charset'       => 'utf-8',
193
            'rm'            => is_ssl() ? 2 : 1,
194
            'upload'        => 1,
195
            'currency_code' => $invoice->get_currency(), // https://developer.paypal.com/docs/nvp-soap-api/currency-codes/#paypal
196
            'return'        => esc_url_raw( $this->get_return_url( $invoice ) ),
197
            'cancel_return' => esc_url_raw( $invoice->get_checkout_payment_url() ),
198
            'notify_url'    => getpaid_limit_length( $this->notify_url, 255 ),
199
            'invoice'       => getpaid_limit_length( $invoice->get_number(), 127 ),
200
            'custom'        => $invoice->get_id(),
201
            'first_name'    => getpaid_limit_length( $invoice->get_first_name(), 32 ),
202
            'last_name'     => getpaid_limit_length( $invoice->get_last_name(), 64 ),
203
            'country'       => getpaid_limit_length( $invoice->get_country(), 2 ),
204
            'email'         => getpaid_limit_length( $invoice->get_email(), 127 ),
205
            'cbt'           => get_bloginfo( 'name' )
206
        );
207
208
    }
209
210
    /**
211
	 * Get line item args for paypal request.
212
	 *
213
	 * @param  WPInv_Invoice $invoice Invoice object.
214
	 * @param  bool     $force_one_line_item Create only one item for this invoice.
215
	 * @return array
216
	 */
217
	protected function get_line_item_args( $invoice, $force_one_line_item = false ) {
218
219
        // Maybe send invoice as a single item.
220
		if ( $force_one_line_item ) {
221
            return $this->get_line_item_args_single_item( $invoice );
222
        }
223
224
        // Send each line item individually.
225
        $line_item_args = array();
226
227
        // Prepare line items.
228
        $this->prepare_line_items( $invoice );
229
230
        // Add taxes to the cart
231
        if ( wpinv_use_taxes() && $invoice->is_taxable() ) {
232
            $line_item_args['tax_cart'] = wpinv_sanitize_amount( (float) $invoice->get_total_tax(), 2 );
0 ignored issues
show
Unused Code introduced by
The call to wpinv_sanitize_amount() has too many arguments starting with 2. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-call  annotation

232
            $line_item_args['tax_cart'] = /** @scrutinizer ignore-call */ wpinv_sanitize_amount( (float) $invoice->get_total_tax(), 2 );

This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.

If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.

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233
        }
234
235
        // Add discount.
236
        if ( $invoice->get_total_discount() > 0 ) {
237
            $line_item_args['discount_amount_cart'] = wpinv_sanitize_amount( (float) $invoice->get_total_discount(), 2 );
238
        }
239
240
		return array_merge( $line_item_args, $this->get_line_items() );
241
242
    }
243
244
    /**
245
	 * Get line item args for paypal request as a single line item.
246
	 *
247
	 * @param  WPInv_Invoice $invoice Invoice object.
248
	 * @return array
249
	 */
250
	protected function get_line_item_args_single_item( $invoice ) {
251
		$this->delete_line_items();
252
253
        $item_name = sprintf( __( 'Invoice #%s', 'invoicing' ), $invoice->get_number() );
254
		$this->add_line_item( $item_name, 1, wpinv_round_amount( (float) $invoice->get_total(), 2, true ), $invoice->get_id() );
0 ignored issues
show
Bug introduced by
It seems like wpinv_round_amount((doub...->get_total(), 2, true) can also be of type string; however, parameter $amount of GetPaid_Paypal_Gateway::add_line_item() does only seem to accept double, maybe add an additional type check? ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

254
		$this->add_line_item( $item_name, 1, /** @scrutinizer ignore-type */ wpinv_round_amount( (float) $invoice->get_total(), 2, true ), $invoice->get_id() );
Loading history...
255
256
		return $this->get_line_items();
257
    }
258
259
    /**
260
	 * Return all line items.
261
	 */
262
	protected function get_line_items() {
263
		return $this->line_items;
264
	}
265
266
    /**
267
	 * Remove all line items.
268
	 */
269
	protected function delete_line_items() {
270
		$this->line_items = array();
271
    }
272
273
    /**
274
	 * Prepare line items to send to paypal.
275
	 *
276
	 * @param  WPInv_Invoice $invoice Invoice object.
277
	 */
278
	protected function prepare_line_items( $invoice ) {
279
		$this->delete_line_items();
280
281
		// Items.
282
		foreach ( $invoice->get_items() as $item ) {
283
			$amount   = $item->get_price();
284
			$quantity = $invoice->get_template() == 'amount' ? 1 : $item->get_quantity();
285
			$this->add_line_item( $item->get_raw_name(), $quantity, $amount, $item->get_id() );
286
        }
287
288
        // Fees.
289
		foreach ( $invoice->get_fees() as $fee => $data ) {
290
            $this->add_line_item( $fee, 1, wpinv_sanitize_amount( $data['initial_fee'] ) );
291
        }
292
293
    }
294
295
    /**
296
	 * Add PayPal Line Item.
297
	 *
298
	 * @param  string $item_name Item name.
299
	 * @param  float    $quantity Item quantity.
300
	 * @param  float  $amount Amount.
301
	 * @param  string $item_number Item number.
302
	 */
303
	protected function add_line_item( $item_name, $quantity = 1, $amount = 0.0, $item_number = '' ) {
304
		$index = ( count( $this->line_items ) / 4 ) + 1;
305
306
		$item = apply_filters(
307
			'getpaid_paypal_line_item',
308
			array(
309
				'item_name'   => html_entity_decode( getpaid_limit_length( $item_name ? wp_strip_all_tags( $item_name ) : __( 'Item', 'invoicing' ), 127 ), ENT_NOQUOTES, 'UTF-8' ),
310
				'quantity'    => (float) $quantity,
311
				'amount'      => wpinv_sanitize_amount( (float) $amount, 2 ),
0 ignored issues
show
Unused Code introduced by
The call to wpinv_sanitize_amount() has too many arguments starting with 2. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-call  annotation

311
				'amount'      => /** @scrutinizer ignore-call */ wpinv_sanitize_amount( (float) $amount, 2 ),

This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.

If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.

Loading history...
312
				'item_number' => $item_number,
313
			),
314
			$item_name,
315
			$quantity,
316
			$amount,
317
			$item_number
318
		);
319
320
		$this->line_items[ 'item_name_' . $index ]   = getpaid_limit_length( $item['item_name'], 127 );
321
        $this->line_items[ 'quantity_' . $index ]    = $item['quantity'];
322
323
        // The price or amount of the product, service, or contribution, not including shipping, handling, or tax.
324
		$this->line_items[ 'amount_' . $index ]      = $item['amount'] * $item['quantity'];
325
		$this->line_items[ 'item_number_' . $index ] = getpaid_limit_length( $item['item_number'], 127 );
326
    }
327
328
    /**
329
	 * If the default request with line items is too long, generate a new one with only one line item.
330
	 *
331
	 * https://support.microsoft.com/en-us/help/208427/maximum-url-length-is-2-083-characters-in-internet-explorer.
332
	 *
333
	 * @param WPInv_Invoice $invoice Invoice to be sent to Paypal.
334
	 * @param array    $paypal_args Arguments sent to Paypal in the request.
335
	 * @return array
336
	 */
337
	protected function fix_request_length( $invoice, $paypal_args ) {
338
		$max_paypal_length = 2083;
339
		$query_candidate   = http_build_query( $paypal_args, '', '&' );
340
341
		if ( strlen( $this->endpoint . $query_candidate ) <= $max_paypal_length ) {
342
			return $paypal_args;
343
		}
344
345
		return apply_filters(
346
			'getpaid_paypal_args',
347
			array_merge(
348
				$this->get_transaction_args( $invoice ),
349
				$this->get_line_item_args( $invoice, true )
350
			),
351
			$invoice
352
		);
353
354
    }
355
356
    /**
357
	 * Processes recurring invoices.
358
	 *
359
	 * @param  array $paypal_args PayPal args.
360
	 * @param  WPInv_Invoice    $invoice Invoice object.
361
	 */
362
	public function process_subscription( $paypal_args, $invoice ) {
363
364
        // Make sure this is a subscription.
365
        if ( ! $invoice->is_recurring() || ! $subscription = getpaid_get_invoice_subscription( $invoice ) ) {
366
            return $paypal_args;
367
        }
368
369
        // It's a subscription
370
        $paypal_args['cmd'] = '_xclick-subscriptions';
371
372
        // Subscription name.
373
        $paypal_args['item_name'] = sprintf( __( 'Invoice #%s', 'invoicing' ), $invoice->get_number() );
374
375
        // Get subscription args.
376
        $period                 = strtoupper( substr( $subscription->get_period(), 0, 1) );
377
        $interval               = (int) $subscription->get_frequency();
378
        $bill_times             = (int) $subscription->get_bill_times();
379
        $initial_amount         = (float) wpinv_sanitize_amount( $invoice->get_initial_total(), 2 );
0 ignored issues
show
Unused Code introduced by
The call to wpinv_sanitize_amount() has too many arguments starting with 2. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-call  annotation

379
        $initial_amount         = (float) /** @scrutinizer ignore-call */ wpinv_sanitize_amount( $invoice->get_initial_total(), 2 );

This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.

If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.

Loading history...
380
        $recurring_amount       = (float) wpinv_sanitize_amount( $invoice->get_recurring_total(), 2 );
381
        $subscription_item      = $invoice->get_recurring( true );
382
383
        if ( $subscription_item->has_free_trial() ) {
384
385
            $paypal_args['a1'] = 0 == $initial_amount ? 0 : $initial_amount;
386
387
			// Trial period length.
388
			$paypal_args['p1'] = $subscription_item->get_trial_interval();
389
390
			// Trial period.
391
			$paypal_args['t1'] = $subscription_item->get_trial_period();
392
393
        } else if ( $initial_amount != $recurring_amount ) {
394
395
            // No trial period, but initial amount includes a sign-up fee and/or other items, so charge it as a separate period.
396
397
            if ( 1 == $bill_times ) {
398
                $param_number = 3;
399
            } else {
400
                $param_number = 1;
401
            }
402
403
            $paypal_args[ 'a' . $param_number ] = $initial_amount ? $initial_amount : 0;
404
405
            // Sign Up interval
406
            $paypal_args[ 'p' . $param_number ] = $interval;
407
408
            // Sign Up unit of duration
409
            $paypal_args[ 't' . $param_number ] = $period;
410
411
        }
412
413
        // We have a recurring payment
414
		if ( ! isset( $param_number ) || 1 == $param_number ) {
415
416
			// Subscription price
417
			$paypal_args['a3'] = $recurring_amount;
418
419
			// Subscription duration
420
			$paypal_args['p3'] = $interval;
421
422
			// Subscription period
423
			$paypal_args['t3'] = $period;
424
425
        }
426
427
        // Recurring payments
428
		if ( 1 == $bill_times || ( $initial_amount != $recurring_amount && ! $subscription_item->has_free_trial() && 2 == $bill_times ) ) {
429
430
			// Non-recurring payments
431
			$paypal_args['src'] = 0;
432
433
		} else {
434
435
			$paypal_args['src'] = 1;
436
437
			if ( $bill_times > 0 ) {
438
439
				// An initial period is being used to charge a sign-up fee
440
				if ( $initial_amount != $recurring_amount && ! $subscription_item->has_free_trial() ) {
441
					$bill_times--;
442
				}
443
444
                // Make sure it's not over the max of 52
445
                $paypal_args['srt'] = ( $bill_times <= 52 ? absint( $bill_times ) : 52 );
446
447
			}
448
        }
449
450
        // Force return URL so that order description & instructions display
451
        $paypal_args['rm'] = 2;
452
453
        // Get rid of redudant items.
454
        foreach ( array( 'item_name_1', 'quantity_1', 'amount_1', 'item_number_1' ) as $arg ) {
455
456
            if ( isset( $paypal_args[ $arg ] ) ) {
457
                unset( $paypal_args[ $arg ] );
458
            }
459
460
        }
461
462
        return apply_filters(
463
			'getpaid_paypal_subscription_args',
464
			$paypal_args,
465
			$invoice
466
        );
467
468
    }
469
470
    /**
471
	 * Processes ipns and marks payments as complete.
472
	 *
473
	 * @return void
474
	 */
475
	public function verify_ipn() {
476
        new GetPaid_Paypal_Gateway_IPN_Handler( $this );
477
    }
478
479
    /**
480
     * Returns a sandbox notice.
481
     */
482
    public function sandbox_notice() {
483
484
        return sprintf(
485
			__( 'SANDBOX ENABLED. You can use sandbox testing accounts only. See the %sPayPal Sandbox Testing Guide%s for more details.', 'invoicing' ),
486
			'<a href="https://developer.paypal.com/docs/classic/lifecycle/ug_sandbox/">',
487
			'</a>'
488
		);
489
490
    }
491
492
	/**
493
	 * Filters the gateway settings.
494
	 *
495
	 * @param array $admin_settings
496
	 */
497
	public function admin_settings( $admin_settings ) {
498
499
        $currencies = sprintf(
500
            __( 'Supported Currencies: %s', 'invoicing' ),
501
            implode( ', ', $this->currencies )
502
        );
503
504
        $admin_settings['paypal_active']['desc'] .= " ($currencies)";
505
        $admin_settings['paypal_desc']['std']     = __( 'Pay via PayPal: you can pay with your credit card if you don\'t have a PayPal account.', 'invoicing' );
506
507
		// Access tokens.
508
		$live_email      = wpinv_get_option( 'paypal_email' );
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Unused Code introduced by
The assignment to $live_email is dead and can be removed.
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509
		$sandbox_email   = wpinv_get_option( 'paypal_sandbox_email' );
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Unused Code introduced by
The assignment to $sandbox_email is dead and can be removed.
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510
511
		$admin_settings['paypal_connect'] = array(
512
			'type'       => 'raw_html',
513
			'id'         => 'paypal_connect',
514
			'name'       => __( 'Connect to PayPal', 'invoicing' ),
515
			'desc'       => sprintf(
516
				'<div class="wpinv-paypal-connect-live"><a class="button button-primary" href="%s">%s</a></div><div class="wpinv-paypal-connect-sandbox"><a class="button button-primary" href="%s">%s</a></div>%s',
517
				esc_url( self::get_connect_url( false ) ),
518
				__( 'Connect to PayPal', 'invoicing' ),
519
				esc_url( self::get_connect_url( true ) ),
520
				__( 'Connect to PayPal Sandox', 'invoicing' ),
521
				$this->get_js()
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Bug introduced by
$this->get_js() of type void is incompatible with the type double|integer|string expected by parameter $values of sprintf(). ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-type  annotation

521
				/** @scrutinizer ignore-type */ $this->get_js()
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Bug introduced by
Are you sure the usage of $this->get_js() targeting GetPaid_Paypal_Gateway::get_js() seems to always return null.

This check looks for function or method calls that always return null and whose return value is used.

class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
if ($a->getObject()) {

The method getObject() can return nothing but null, so it makes no sense to use the return value.

The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.

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522
			),
523
		);
524
525
        $admin_settings['paypal_email'] = array(
526
            'type'  => 'text',
527
			'class' => 'live-auth-data',
528
            'id'    => 'paypal_email',
529
            'name'  => __( 'Live Email Address', 'invoicing' ),
530
            'desc'  => __( 'The email address of your PayPal account.', 'invoicing' ),
531
        );
532
533
		$admin_settings['paypal_sandbox_email'] = array(
534
            'type'  => 'text',
535
			'class' => 'sandbox-auth-data',
536
            'id'    => 'paypal_sandbox_email',
537
            'name'  => __( 'Sandbox Email Address', 'invoicing' ),
538
            'desc'  => __( 'The email address of your sandbox PayPal account.', 'invoicing' ),
539
			'std'   => wpinv_get_option( 'paypal_email', '' ),
540
        );
541
542
        $admin_settings['paypal_ipn_url'] = array(
543
            'type'     => 'ipn_url',
544
            'id'       => 'paypal_ipn_url',
545
            'name'     => __( 'IPN Url', 'invoicing' ),
546
            'std'      => $this->notify_url,
547
            'desc'     => __( "If you've not enabled IPNs in your paypal account, use the above URL to enable them.", 'invoicing' ) . ' <a href="https://developer.paypal.com/docs/api-basics/notifications/ipn/"><em>' . __( 'Learn more.', 'invoicing' ) . '</em></a>',
548
            'readonly' => true,
549
        );
550
551
		return $admin_settings;
552
	}
553
554
	/**
555
	 * Retrieves the PayPal connect URL when using the setup wizzard.
556
	 *
557
	 *
558
     * @param array $data
559
     * @return string
560
	 */
561
	public static function maybe_get_connect_url( $url = '', $data ) {
562
		return self::get_connect_url( false, urldecode( $data['redirect'] ) );
563
	}
564
565
	/**
566
	 * Retrieves the PayPal connect URL.
567
	 *
568
	 *
569
     * @param bool $is_sandbox
570
	 * @param string $redirect
571
     * @return string
572
	 */
573
	public static function get_connect_url( $is_sandbox, $redirect = '' ) {
574
575
        $redirect_url = add_query_arg(
576
            array(
577
                'getpaid-admin-action' => 'connect_paypal',
578
                'page'                 => 'wpinv-settings',
579
                'live_mode'            => (int) empty( $is_sandbox ),
580
                'tab'                  => 'gateways',
581
                'section'              => 'paypal',
582
                'getpaid-nonce'        => wp_create_nonce( 'getpaid-nonce' ),
583
				'redirect'             => urlencode( $redirect ),
584
            ),
585
            admin_url( 'admin.php' )
586
        );
587
588
        return add_query_arg(
589
            array(
590
                'live_mode'    => (int) empty( $is_sandbox ),
591
                'redirect_url' => urlencode( str_replace( '&amp;', '&', $redirect_url ) )
592
            ),
593
            'https://ayecode.io/oauth/paypal'
594
        );
595
596
    }
597
598
	/**
599
	 * Generates settings page js.
600
	 *
601
     * @return void
602
	 */
603
	public static function get_js() {
604
        ob_start();
605
        ?>
606
            <script>
607
                jQuery(document).ready(function() {
608
609
                    jQuery( '#wpinv-settings-paypal_sandbox' ).on ( 'change', function( e ) {
610
611
						jQuery( '.wpinv-paypal-connect-live, .live-auth-data' ).toggle( ! this.checked )
612
						jQuery( '.wpinv-paypal-connect-sandbox, .sandbox-auth-data' ).toggle( this.checked )
613
614
						if ( this.checked ) {
615
616
							if ( jQuery('#wpinv-settings-paypal_sandbox_email').val().length > 0 ) {
617
								jQuery('.wpinv-paypal-connect-sandbox').closest('tr').hide()
618
							} else {
619
								jQuery('.wpinv-paypal-connect-sandbox').closest('tr').show()
620
							}
621
						} else {
622
							if ( jQuery('#wpinv-settings-paypal_email').val().length > 0 ) {
623
								jQuery('.wpinv-paypal-connect-live').closest('tr').hide()
624
							} else {
625
								jQuery('.wpinv-paypal-connect-live').closest('tr').show()
626
							}
627
						}
628
                    })
629
630
                    // Set initial state.
631
                    jQuery( '#wpinv-settings-paypal_sandbox' ).trigger( 'change' )
632
633
                });
634
            </script>
635
        <?php
636
        return ob_get_clean();
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Bug Best Practice introduced by
The expression return ob_get_clean() returns the type string which is incompatible with the documented return type void.
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637
    }
638
639
	/**
640
	 * Connects to PayPal.
641
	 *
642
	 * @param array $data Connection data.
643
	 * @return void
644
	 */
645
	public function connect_paypal( $data ) {
646
647
		$sandbox      = $this->is_sandbox();
648
		$data         = wp_unslash( $data );
649
		$access_token = empty( $data['access_token'] ) ? '' : sanitize_text_field( $data['access_token'] );
650
651
		if ( isset( $data['live_mode'] ) ) {
652
			$sandbox = empty( $data['live_mode'] );
653
		}
654
655
		wpinv_update_option( 'paypal_sandbox', (int) $sandbox );
656
		wpinv_update_option( 'paypal_active', 1 );
657
658
		if ( ! empty( $data['error_description'] ) ) {
659
			getpaid_admin()->show_error( wp_kses_post( urldecode( $data['error_description'] ) ) );
660
		} else {
661
662
			// Retrieve the user info.
663
			$user_info = wp_remote_get(
664
				! $sandbox ? 'https://api-m.paypal.com/v1/identity/oauth2/userinfo?schema=paypalv1.1' : 'https://api-m.sandbox.paypal.com/v1/identity/oauth2/userinfo?schema=paypalv1.1',
665
				array(
666
667
					'headers' => array(
668
						'Authorization' => 'Bearer ' . $access_token,
669
						'Content-type'  => 'application/json',
670
					)
671
672
				)
673
			);
674
675
			if ( is_wp_error( $user_info ) ) {
676
				getpaid_admin()->show_error( wp_kses_post( $user_info->get_error_message() ) );
677
			} else {
678
679
				// Create application.
680
				$user_info = json_decode( wp_remote_retrieve_body( $user_info ) );
681
682
				if ( $sandbox ) {
683
					wpinv_update_option( 'paypal_sandbox_email', sanitize_email( $user_info->emails[0]->value ) );
684
					wpinv_update_option( 'paypal_sandbox_refresh_token', sanitize_text_field( urldecode( $data['refresh_token'] ) ) );
685
					set_transient( 'getpaid_paypal_sandbox_access_token', sanitize_text_field( urldecode( $data['access_token'] ) ), (int) $data['expires_in'] );
686
					getpaid_admin()->show_success( __( 'Successfully connected your PayPal sandbox account', 'invoicing' ) );
687
				} else {
688
					wpinv_update_option( 'paypal_email', sanitize_email( $user_info->emails[0]->value ) );
689
					wpinv_update_option( 'paypal_refresh_token', sanitize_text_field( urldecode( $data['refresh_token'] ) ) );
690
					set_transient( 'getpaid_paypal_access_token', sanitize_text_field( urldecode( $data['access_token'] ) ), (int) $data['expires_in'] );
691
					getpaid_admin()->show_success( __( 'Successfully connected your PayPal account', 'invoicing' ) );
692
				}
693
694
			}
695
696
		}
697
698
		$redirect = empty( $data['redirect'] ) ? admin_url( 'admin.php?page=wpinv-settings&tab=gateways&section=paypal' ) : urldecode( $data['redirect'] );
699
700
		if ( isset( $data['step'] ) ) {
701
			$redirect = add_query_arg( 'step', $data['step'], $redirect );
702
		}
703
		wp_redirect( $redirect );
704
		exit;
0 ignored issues
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Best Practice introduced by
Using exit here is not recommended.

In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.

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705
	}
706
707
}
708