double-opt-in / compatibility / cf7 / CF7Frontend.class.php

CF7Frontend.class.php in Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification 3.0.72, at compatibility/cf7/CF7Frontend.class.php

309 lines 8.2 KB

Raw Download Zip

1	<?php
2
3	namespace forge12\contactform7\CF7DoubleOptIn {
4	if ( ! defined( 'ABSPATH' ) ) {
5	exit;
6	}
7
8	use forge12\plugins\ContactForm7;
9
10	/**
11	* Class Frontend
12	* Responsible to handle the frontend of the Double OptIn
13	*
14	* @package forge12\contactform7\CF7DoubleOptIn
15	*/
16	class CF7Frontend extends OptInFrontend {
17	protected $OptIn = null;
18
19	/**
20	* Admin constructor.
21	*/
22	public function __construct() {
23
24	parent::__construct( 'cf7' );
25	add_action( 'wpcf7_before_send_mail', array( $this, 'onSubmit' ), 5, 3 );
26	}
27
28	/**
29	* Get the recipient email address
30	*
31	* @param string $recipient The recipient email address
32	* @param array $formParameter The form parameter array
33	* @param array $postParameter The post parameter array
34	*
35	* @return string The sanitized recipient email address
36	*/
37	public function getRecipient( string $recipient, array $formParameter, array $postParameter ): string {
38	/**
39	* Ensure the recipient has been defined in the settings
40	*/
41	if ( ! isset( $formParameter['recipient'] ) ) {
42	return $recipient;
43	}
44
45	$recipient = $formParameter['recipient'];
46
47	$recipient = str_replace( '[', '', $recipient );
48	$recipient = str_replace( ']', '', $recipient );
49
50	/**
51	* Get the Recipient from the post parameter
52	*/
53	if ( isset( $postParameter[ $recipient ] ) ) {
54	$recipient = sanitize_email( $_POST[ $recipient ] );
55	}
56
57	return $recipient;
58	}
59
60	/**
61	* Add File after submission and confirming opt in.
62	* @param $form
63	* @param $abort
64	* @param $submission
65	*
66	* @return void
67	*/
68	public function attachExtraAttachments( $form, $abort, $submission ) {
69	if ( $this->OptIn != null && $this->OptIn->get_files() != null ) {
70	$fileWrapper = maybe_unserialize($this->OptIn->get_files());
71	if(is_array($fileWrapper)) {
72	foreach ( $fileWrapper as $file ) {
73	$submission->add_extra_attachments( $file );
74	}
75	}
76	}
77	}
78
79	/**
80	* Send the default email for the given OptIn. (Original Mail after Opt-In Confirmation)
81	*
82	* @param OptIn $OptIn The OptIn object containing the email content and form ID.
83	*
84	* @return void
85	*/
86	public function sendDefaultMail( OptIn $OptIn ): void {
87	if ( ! function_exists( 'wpcf7' ) ) {
88	return;
89	}
90
91	$this->OptIn = $OptIn;
92	/**
93	* Prepare the Post Data
94	*/
95	$data = maybe_unserialize( $OptIn->get_content() );
96
97	/**
98	* Sanitize the Data
99	*/
100	$_POST = SanitizeHelper::sanitize_array( $data );
101
102	/**
103	* Prepare the Contact Form
104	*/
105	$ContactForm = \WPCF7_ContactForm::get_instance( $OptIn->get_cf_form_id() );
106
107	/**
108	* Attach Files before send mail
109	*/
110	add_action( 'wpcf7_before_send_mail', [ $this, 'attachExtraAttachments' ], 10, 3 );
111
112	/**
113	* Prepare the Submission Instance
114	*/
115	$submission = \WPCF7_Submission::get_instance( $ContactForm );
116	}
117
118	/**
119	* On Form Submit add the double optin if enabled
120	*
121	* @param $form \WPCF7_ContactForm
122	* @param bool
123	* @param $submission \WPCF7_Submission
124	*/
125	public function onSubmit( $form, &$abort, $submission ) {
126	$parameter = CF7DoubleOptIn::getInstance()->getParameter( $form->id() );
127
128	if ( $this->isOptinEnabled( $form->id() ) ) {
129	// Remove Contact Form 7 DB hook to ensure the optin mail is not saved
130	remove_action( 'wpcf7_before_send_mail', 'cfdb7_before_send_mail' );
131
132	if ( apply_filters( 'f12_cf7_doubleoptin_skip_option', false, $form->id(), $submission->get_posted_data(), $this->type ) ) {
133	return; // Skip if requested
134	}
135	// Get the OptIn Object
136	$OptIn = $this->maybeCreateOptIn( $form->id(), $form->form_html(), $submission->get_posted_data(), $submission->uploaded_files() );
137
138	/**
139	* Skip if OptIn not created
140	*/
141	if ( ! $OptIn ) {
142	return;
143	}
144
145	// Add the Form URL to the parameters
146	$parameter['formUrl'] = $submission->get_meta( 'url' );
147
148	// Get the Body content
149	$body = $parameter['body'];
150
151	// Replace the Placeholders within the body content.
152	$body = $this->addPlaceholders( $body, $OptIn, $parameter );
153
154	/**
155	* Body
156	*
157	* Filters the Body of the OptIn Mail. Allows developers to adjust the content
158	* before transmission.
159	*
160	* @param string $body The content of the OptIn Mail.
161	*
162	* @since 2.3.3
163	*/
164	$body = apply_filters( 'f12_cf7_doubleoptin_body', $body );
165
166	/**
167	* Set the OptIn Mail Content to the OptIn Object.
168	*/
169	$OptIn->set_mail_optin( $body );
170	$OptIn->save();
171
172	/**
173	* Recipient
174	*/
175	$additional_headers = '';
176
177	/**
178	* OptIn Mail Arguments
179	*
180	* Filters the Arguments for the OptIn Mail. This hook allows developers
181	* to add additional content to the Mail.
182	*
183	* @formatter:off
184	*
185	* @param $args {
186	* @type string $subject The Subject of the OptIn Mail
187	* @type string $body The Body of the OptIn Mail,
188	* @type string $sender The Sender of the OptIn Mail
189	* @type string $recipient The recipient of the OptIn Mail
190	* @type bool $use_html Enable/Disable HTML for the OptIn Mail. Default: true
191	* @type string $additional_headers Additional Header Information for the Mail.
192	* }
193	*
194	* @formatter:on
195	*
196	* @since 2.3.3
197	*/
198	$args = apply_filters( 'f12-cf7-doubleoptin-cf7-args', [
199	'subject' => $parameter['subject'],
200	'body' => $body,
201	'sender' => $parameter['sender'],
202	'sender_name' => $parameter['sender_name'],
203	'recipient' => $parameter['recipient'],
204	'use_html' => true,
205	'additional_headers' => $additional_headers
206	] );
207
208	/**
209	* Set the Header
210	*/
211	if ( ! empty( $parameter['sender_name'] ) ) {
212	$args['additional_headers'] .= 'From: ' . $args['sender_name'] . ' <' . $args['sender'] . '>';
213	}
214
215	// Prepare the Opt-In Mail
216	\WPCF7_Mail::send( $args, 'mail' );
217
218	// Skip all mails following
219	add_filter( 'wpcf7_skip_mail', '__return_true' );
220
221	/**
222	* Action after the OptIn Mail has been sent.
223	*
224	* Allows other developers to do additional tasks after the OptIn Mail has been submitted.
225	*
226	* @formatter:off
227	*
228	* @param \WPCF7_ContactForm $form The Contact Form 7 Form Object
229	* @param int $formId The Post ID of the CF7 Form.
230	*
231	* @formatter:on
232	*
233	* @since 2.3.3
234	*/
235	do_action( 'f12_cf7_doubleoptin_sent', $form, $form->id() );
236
237	} else if ( isset( $_GET['optin'] ) ) {
238	/**
239	* Add Files / Attachments to the OptIn Mail.
240	*/
241	$hash = sanitize_text_field( $_GET['optin'] );
242
243	/**
244	* Get the OptIn Object
245	*/
246	$OptIn = OptIn::get_by_hash( $hash );
247
248	/**
249	* Skip if the OptIn has not been found.
250	*/
251	if ( null == $OptIn ) {
252	return;
253	}
254
255	/**
256	* Get the Files from the OptIn Object
257	*/
258	$files = maybe_unserialize( $OptIn->get_files() );
259
260	/**
261	* Skip if no files has been found
262	*/
263	if ( empty( $files ) ) {
264	return;
265	}
266
267	/**
268	* Loop through all attachments/files.
269	*/
270	foreach ( $files as $file ) {
271	/**
272	* Skip file if the name is empty
273	*/
274	if ( ! empty( $file ) ) {
275	continue;
276	}
277
278	/**
279	* Enable / Disable the OptIn Mail Attachment for Mail 1.
280	*
281	* Allows Developers to Enable/Disable Mail attachments dynamically.
282	*
283	* @param bool $status Either add attachments (true) or not (false). Default: true
284	* @param OptIn $OptIn The OptIn Object.
285	*
286	* @since 2.3.3
287	*/
288	if ( apply_filters( 'f12_cf7_doubleoptin_files_mail_1', true, $OptIn ) ) {
289	$submission->add_extra_attachments( $file );
290	}
291
292	/**
293	* Enable / Disable the OptIn Mail Attachment for Mail 2.
294	*
295	* Allows Developers to Enable/Disable Mail attachments dynamically.
296	*
297	* @param bool $status Either add attachments (true) or not (false). Default: true
298	* @param OptIn $OptIn The OptIn Object.
299	*
300	* @since 2.3.3
301	*/
302	if ( apply_filters( 'f12_cf7_doubleoptin_files_mail_2', true, $OptIn ) ) {
303	$submission->add_extra_attachments( $file, 'mail_2' );
304	}
305	}
306	}
307	}
308	}
309	}