jetpack / modules / post-by-email / class-jetpack-post-by-email.php

class-jetpack-post-by-email.php in Jetpack – WP Security, Backup, Speed, & Growth 16.3-a.7, at modules/post-by-email/class-jetpack-post-by-email.php

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1	<?php
2	/**
3	* Class Jetpack_Post_By_Email
4	*
5	* @package automattic/jetpack
6	*/
7
8	use Automattic\Jetpack\Connection\Tokens;
9	use Automattic\Jetpack\Redirect;
10
11	/**
12	* Class Jetpack_Post_By_Email
13	*/
14	class Jetpack_Post_By_Email {
15	/**
16	* Initialize PBE.
17	*
18	* @return Jetpack_Post_By_Email
19	*/
20	public static function init() {
21	static $instance = null;
22
23	if ( ! $instance ) {
24	$instance = new Jetpack_Post_By_Email();
25	}
26
27	return $instance;
28	}
29
30	/**
31	* Singleton
32	*/
33	private function __construct() {
34	add_action( 'init', array( $this, 'action_init' ) );
35	}
36
37	/**
38	* Adds hooks for PBE.
39	*/
40	public function action_init() {
41	if ( ! current_user_can( 'edit_posts' ) ) {
42	return;
43	}
44
45	add_action( 'profile_personal_options', array( $this, 'user_profile' ) );
46	add_action( 'admin_print_scripts-profile.php', array( $this, 'profile_scripts' ) );
47
48	add_action( 'wp_ajax_jetpack_post_by_email_enable', array( $this, 'create_post_by_email_address' ) );
49	add_action( 'wp_ajax_jetpack_post_by_email_regenerate', array( $this, 'regenerate_post_by_email_address' ) );
50	add_action( 'wp_ajax_jetpack_post_by_email_disable', array( $this, 'delete_post_by_email_address' ) );
51	}
52
53	/**
54	* Enqueues scripts for user profile page.
55	*/
56	public function profile_scripts() {
57	wp_enqueue_script( 'post-by-email', plugins_url( 'post-by-email.js', __FILE__ ), array( 'jquery' ), JETPACK__VERSION, true );
58	wp_localize_script(
59	'post-by-email',
60	'pbeVars',
61	array(
62	'rest_nonce' => wp_create_nonce( 'wp_rest' ),
63	)
64	);
65	wp_enqueue_style( 'post-by-email', plugins_url( 'post-by-email.css', __FILE__ ), array(), JETPACK__VERSION );
66	// Inline styles. @see wp_maybe_inline_styles()
67	if ( is_rtl() ) {
68	wp_style_add_data( 'post-by-email', 'path', plugin_dir_path( __FILE__ ) . 'post-by-email-rtl.min.css' );
69	} else {
70	wp_style_add_data( 'post-by-email', 'path', plugin_dir_path( __FILE__ ) . 'post-by-email.min.css' );
71	}
72	}
73
74	/**
75	* Check if the user is connected.
76	*
77	* @return bool True if connected. False if not.
78	*/
79	public function check_user_connection() {
80	$user_token = ( new Tokens() )->get_access_token( get_current_user_id() );
81
82	$is_user_connected = $user_token && ! is_wp_error( $user_token );
83
84	// If the user is already connected via Jetpack, then we're good.
85	if ( $is_user_connected ) {
86	return true;
87	}
88
89	return false;
90	}
91
92	/**
93	* Adds field to user profile page.
94	*/
95	public function user_profile() {
96	$blog_name = get_bloginfo( 'blogname' );
97	if ( empty( $blog_name ) ) {
98	$blog_name = home_url( '/' );
99	}
100
101	?>
102	<div id="post-by-email" class="jetpack-targetable">
103	<h3><?php esc_html_e( 'Post by Email', 'jetpack' ); ?></h3>
104	<table class="form-table">
105	<tr>
106	<th scope="row"><?php esc_html_e( 'Email Address', 'jetpack' ); ?><span id="jp-pbe-spinner" class="spinner"></span></th>
107	<td>
108	<div id="jp-pbe-error" class="jetpack-inline-error"></div>
109	<?php
110
111	if ( $this->check_user_connection() ) {
112	$email = $this->get_post_by_email_address();
113
114	$enable_button_style = empty( $email ) ? '' : 'display: none;';
115	$info_style = empty( $email ) ? 'display: none;' : '';
116	?>
117
118	<input type="button" name="jp-pbe-enable" id="jp-pbe-enable" class="button" value="<?php esc_attr_e( 'Enable Post By Email', 'jetpack' ); ?>" style="<?php echo esc_attr( $enable_button_style ); ?>" />
119	<div id="jp-pbe-info" style="<?php echo esc_attr( $info_style ); ?>">
120	<p id="jp-pbe-email-wrapper">
121	<input type="text" id="jp-pbe-email" value="<?php echo esc_attr( $email ); ?>" readonly="readonly" class="regular-text" />
122	<span class="description"><a target="_blank" rel="noopener noreferrer" href="<?php echo esc_url( Redirect::get_url( 'jetpack-support-post-by-email' ) ); ?>"><?php esc_html_e( 'More information', 'jetpack' ); ?></a></span>
123	</p>
124	<p>
125	<input type="button" name="jp-pbe-regenerate" id="jp-pbe-regenerate" class="button" value="<?php esc_attr_e( 'Regenerate Address', 'jetpack' ); ?> " />
126	<input type="button" name="jp-pbe-disable" id="jp-pbe-disable" class="button" value="<?php esc_attr_e( 'Disable Post By Email', 'jetpack' ); ?> " />
127	</p>
128	</div>
129	<?php
130	} else {
131	$jetpack = Jetpack::init();
132	?>
133
134	<p class="jetpack-inline-message">
135	<?php
136	printf(
137	/* translators: Placeholder is the site's name from WordPress settings. */
138	esc_html( wptexturize( __( 'To use Post By Email, you need to link your %s account to your WordPress.com account.', 'jetpack' ) ) ),
139	'<strong>' . esc_html( $blog_name ) . '</strong>'
140	);
141	?>
142	<br />
143	<?php echo esc_html( wptexturize( __( "If you don't have a WordPress.com account yet, you can sign up for free in just a few seconds.", 'jetpack' ) ) ); ?>
144	</p>
145	<p>
146	<a href="<?php echo esc_url( $jetpack->build_connect_url( true, get_edit_profile_url( get_current_user_id() ) . '#post-by-email', 'unlinked-user-pbe' ) ); ?>" class="button button-connector" id="wpcom-connect"><?php esc_html_e( 'Link account with WordPress.com', 'jetpack' ); ?></a>
147	</p>
148	<?php
149	}
150	?>
151	</td>
152	</tr>
153	</table>
154	</div>
155	<?php
156	}
157
158	/**
159	* XMLRPC Query to WP.com for PBE e-mail address for user.
160	*
161	* @return string\|null PBE E-mail Address or null on error.
162	*/
163	public function get_post_by_email_address() {
164	$xml = $this->init_rest_connection();
165
166	$xml->query( 'jetpack.getPostByEmailAddress' );
167
168	if ( $xml->isError() ) {
169	return null;
170	}
171
172	$response = $xml->getResponse();
173	if ( empty( $response ) ) {
174	return null;
175	}
176
177	return $response;
178	}
179
180	/**
181	* Process the REST API request to modify the "Post by Email" settings.
182	*
183	* @param string $action Allowed values: 'create', 'regenerate', 'delete'.
184	*
185	* @return array\|false
186	*/
187	public function process_api_request( $action ) {
188	$endpoint = null;
189	$error_message = esc_html__( 'Please try again later.', 'jetpack' );
190	$result = false;
191
192	switch ( $action ) {
193	case 'create':
194	$endpoint = 'jetpack.createPostByEmailAddress';
195	$error_message = esc_html__( 'Unable to create the Post by Email address. Please try again later.', 'jetpack' );
196	break;
197	case 'regenerate':
198	$endpoint = 'jetpack.regeneratePostByEmailAddress';
199	$error_message = esc_html__( 'Unable to regenerate the Post by Email address. Please try again later.', 'jetpack' );
200	break;
201	case 'delete':
202	$endpoint = 'jetpack.deletePostByEmailAddress';
203	$error_message = esc_html__( 'Unable to delete the Post by Email address. Please try again later.', 'jetpack' );
204	break;
205	}
206
207	if ( $endpoint ) {
208	$result = $this->process_rest_proxy_request( $endpoint, $error_message );
209	}
210
211	return $result;
212	}
213
214	/**
215	* Calls WPCOM through authenticated request to create, regenerate or delete the Post by Email address.
216	*
217	* @since 4.3.0
218	*
219	* @param string $endpoint Process to call on WPCOM to create, regenerate or delete the Post by Email address.
220	* @param string $error Error message to return.
221	*
222	* @return array
223	*/
224	private function process_rest_proxy_request( $endpoint, $error ) {
225	if ( ! current_user_can( 'edit_posts' ) ) {
226	return array( 'message' => $error );
227	}
228
229	$xml = $this->init_rest_connection();
230
231	$xml->query( $endpoint );
232
233	if ( $xml->isError() ) {
234	return array( 'message' => $error );
235	}
236
237	$response = $xml->getResponse();
238	if ( empty( $response ) ) {
239	return array( 'message' => $error );
240	}
241
242	// Used only in Jetpack_Core_Json_Api_Endpoints::get_remote_value.
243	update_option( 'post_by_email_address' . get_current_user_id(), $response );
244
245	return $response;
246	}
247
248	/**
249	* Initialize the IXR client
250	*
251	* @return Jetpack_IXR_Client
252	*/
253	private function init_rest_connection() {
254	return new Jetpack_IXR_Client( array( 'user_id' => get_current_user_id() ) );
255	}
256	}
257