Jetpack_Post_By_Email::process_api_request() - Code Metrics - Inspection of "Use CSS variable to control shortlink field" - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — fix/shortlink-button ( a110fb...ee61e1 )

by Jeremy

created 2020-04-06 14:44 UTC

Jetpack_Post_By_Email::process_api_request() A

↳ Parent: Jetpack_Post_By_Email

Complexity

Conditions	5
Paths	8

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	5
nc	8
nop	1
dl	0
loc	26
rs	9.1928
c	0
b	0
f	0

<?php
/**
 * Class Jetpack_Post_By_Email
 *
 * @package Jetpack
 */

use Automattic\Jetpack\Connection\Manager as Connection_Manager;

/**
 * Class Jetpack_Post_By_Email
 */
class Jetpack_Post_By_Email {
	/**
	 * Initialize PBE.
	 *
	 * @return Jetpack_Post_By_Email
	 */
	public static function init() {
		static $instance = null;

		if ( ! $instance ) {
			$instance = new Jetpack_Post_By_Email();
		}

		return $instance;
	}

	/**
	 * Singleton
	 */
	private function __construct() {
		add_action( 'init', array( &$this, 'action_init' ) );
	}

	/**
	 * Adds hooks for PBE.
	 */
	public function action_init() {
		if ( ! current_user_can( 'edit_posts' ) ) {
			return;
		}

		add_action( 'profile_personal_options', array( &$this, 'user_profile' ) );
		add_action( 'admin_print_scripts-profile.php', array( &$this, 'profile_scripts' ) );

		add_action( 'wp_ajax_jetpack_post_by_email_enable', array( &$this, 'create_post_by_email_address' ) );
		add_action( 'wp_ajax_jetpack_post_by_email_regenerate', array( &$this, 'regenerate_post_by_email_address' ) );
		add_action( 'wp_ajax_jetpack_post_by_email_disable', array( &$this, 'delete_post_by_email_address' ) );
	}

	/**
	 * Enqueues scripts for user profile page.
	 */
	public function profile_scripts() {
		wp_enqueue_script( 'post-by-email', plugins_url( 'post-by-email.js', __FILE__ ), array( 'jquery' ), JETPACK__VERSION, true );
		wp_localize_script(
			'post-by-email',
			'pbeVars',
			array(
				'rest_nonce' => wp_create_nonce( 'wp_rest' ),
			)
		);
		wp_enqueue_style( 'post-by-email', plugins_url( 'post-by-email.css', __FILE__ ), array(), JETPACK__VERSION );
		wp_style_add_data( 'post-by-email', 'jetpack-inline', true );
	}

	/**
	 * Check if the user is connected.
	 *
	 * @return bool True if connected. False if not.
	 */
	public function check_user_connection() {
		$user_token = ( new Connection_Manager() )->get_access_token( get_current_user_id() );

		$is_user_connected = $user_token && ! is_wp_error( $user_token );

		// If the user is already connected via Jetpack, then we're good.
		if ( $is_user_connected ) {
			return true;
		}

		return false;
	}

	/**
	 * Adds field to user profile page.
	 */
	public function user_profile() {
		$blog_name = get_bloginfo( 'blogname' );
		if ( empty( $blog_name ) ) {
			$blog_name = home_url( '/' );
		}

		?>
		<div id="post-by-email" class="jetpack-targetable">
			<h3><?php esc_html_e( 'Post by Email', 'jetpack' ); ?></h3>
			<table class="form-table">
				<tr>
					<th scope="row"><?php esc_html_e( 'Email Address', 'jetpack' ); ?><span id="jp-pbe-spinner" class="spinner"></span></th>
					<td>
						<div id="jp-pbe-error" class="jetpack-inline-error"></div>
						<?php

						if ( $this->check_user_connection() ) {
							$email = $this->get_post_by_email_address();

							$enable_button_style = empty( $email ) ? '' : 'display: none;';
							$info_style          = empty( $email ) ? 'display: none;' : '';
							?>

							<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 ); ?>" />
							<div id="jp-pbe-info" style="<?php echo esc_attr( $info_style ); ?>">
								<p id="jp-pbe-email-wrapper">
									<input type="text" id="jp-pbe-email" value="<?php echo esc_attr( $email ); ?>" readonly="readonly" class="regular-text" />
									<span class="description"><a target="_blank" href="https://jetpack.com/support/post-by-email/"><?php esc_html_e( 'More information', 'jetpack' ); ?></a></span>
								</p>
								<p>
									<input type="button" name="jp-pbe-regenerate" id="jp-pbe-regenerate" class="button" value="<?php esc_attr_e( 'Regenerate Address', 'jetpack' ); ?> " />
									<input type="button" name="jp-pbe-disable" id="jp-pbe-disable" class="button" value="<?php esc_attr_e( 'Disable Post By Email', 'jetpack' ); ?> " />
								</p>
							</div>
							<?php
						} else {
							$jetpack = Jetpack::init();
							?>

							<p class="jetpack-inline-message">
								<?php
								printf(
									/* translators: Placeholder is the site's name from WordPress settings. */
									esc_html( wptexturize( __( 'To use Post By Email, you need to link your %s account to your WordPress.com account.', 'jetpack' ) ) ),
									'<strong>' . esc_html( $blog_name ) . '</strong>'
								);
								?>
								<br />
								<?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' ) ) ); ?>
							</p>
							<p>
								<a href="<?php echo esc_url( $jetpack->build_connect_url( false, 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>
							</p>
							<?php
						}
						?>
					</td>
				</tr>
			</table>
		</div>
		<?php
	}

	/**
	 * XMLRPC Query to WP.com for PBE e-mail address for user.
	 *
	 * @return string|null PBE E-mail Address or null on error.
	 */
	public function get_post_by_email_address() {
		$xml = $this->init_rest_connection();

		$xml->query( 'jetpack.getPostByEmailAddress' );

		if ( $xml->isError() ) {
			return null;
		}

		$response = $xml->getResponse();
		if ( empty( $response ) ) {
			return null;
		}

		return $response;
	}

	/**
	 * Process the REST API request to modify the "Post by Email" settings.
	 *
	 * @param string $action Allowed values: 'create', 'regenerate', 'delete'.
	 *
	 * @return array|false
	 */
	public function process_api_request( $action ) {
		$endpoint      = null;
		$error_message = esc_html__( 'Please try again later.', 'jetpack' );
		$result        = false;

		switch ( $action ) {
			case 'create':
				$endpoint      = 'jetpack.createPostByEmailAddress';
				$error_message = esc_html__( 'Unable to create the Post by Email address. Please try again later.', 'jetpack' );
				break;
			case 'regenerate':
				$endpoint      = 'jetpack.regeneratePostByEmailAddress';
				$error_message = esc_html__( 'Unable to regenerate the Post by Email address. Please try again later.', 'jetpack' );
				break;
			case 'delete':
				$endpoint      = 'jetpack.deletePostByEmailAddress';
				$error_message = esc_html__( 'Unable to delete the Post by Email address. Please try again later.', 'jetpack' );
				break;
		}

		if ( $endpoint ) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
			$result = $this->process_rest_proxy_request( $endpoint, $error_message );
		}

		return $result;
	}

	/**
	 * AJAX endpoint to create a new e-mail address.
	 */
	public function create_post_by_email_address() {
		_doing_it_wrong( __METHOD__, esc_html__( "Use REST API endpoint '/wp-json/jetpack/v4/settings' instead.", 'jetpack' ), 'jetpack-8.4' );

		self::process_ajax_proxy_request(

			'jetpack.createPostByEmailAddress',
			__( 'Unable to create your Post By Email address. Please try again later.', 'jetpack' )
		);
	}

	/**
	 * AJAX endpoint to regenerate PBE e-mail address.
	 */
	public function regenerate_post_by_email_address() {
		_doing_it_wrong( __METHOD__, esc_html__( "Use REST API endpoint '/wp-json/jetpack/v4/settings' instead.", 'jetpack' ), 'jetpack-8.4' );

		self::process_ajax_proxy_request(

			'jetpack.regeneratePostByEmailAddress',
			__( 'Unable to regenerate your Post By Email address. Please try again later.', 'jetpack' )
		);
	}

	/**
	 * AJAX endpoint to delete a PBE e-mail address.
	 */
	public function delete_post_by_email_address() {
		_doing_it_wrong( __METHOD__, esc_html__( "Use REST API endpoint '/wp-json/jetpack/v4/settings' instead.", 'jetpack' ), 'jetpack-8.4' );

		self::process_ajax_proxy_request(

			'jetpack.deletePostByEmailAddress',
			__( 'Unable to disable your Post By Email address. Please try again later.', 'jetpack' )
		);
	}

	/**
	 * The AJAX proxying method for backward compatibility.
	 * To be removed in the upcoming versions.
	 *
	 * @param string $endpoint Jetpack API endpoint.
	 * @param string $error_message Error message to be returned if something goes wrong.
	 *
	 * @deprecated
	 */
	public function __process_ajax_proxy_request( $endpoint, $error_message ) { // phpcs:ignore
		$this->process_ajax_proxy_request( $endpoint, $error_message );

	}

	/**
	 * Back end function to abstract the xmlrpc function calls to wpcom.
	 *
	 * @param string $endpoint Jetpack API endpoint.
	 * @param string $error_message Error message to be returned if something goes wrong.
	 *
	 * @deprecated
	 */
	private function process_ajax_proxy_request( $endpoint, $error_message ) {
		_deprecated_function( __METHOD__, 'jetpack-8.4', '_process_rest_proxy_request' );

		if ( ! current_user_can( 'edit_posts' ) ) {
			wp_send_json_error( $error_message );
		}
		if ( empty( $_REQUEST['pbe_nonce'] ) || ! wp_verify_nonce( $_REQUEST['pbe_nonce'], $endpoint ) ) {
			wp_send_json_error( $error_message );
		}

		$xml = $this->init_rest_connection();
		$xml->query( $endpoint );

		if ( $xml->isError() ) {
			wp_send_json_error( $error_message );
		}

		$response = $xml->getResponse();
		if ( empty( $response ) ) {
			wp_send_json_error( $error_message );
		}

		// Will be used only in Jetpack_Core_Json_Api_Endpoints::get_remote_value.
		update_option( 'post_by_email_address' . get_current_user_id(), $response );

		wp_send_json_success( $response );
	}

	/**
	 * Calls WPCOM through authenticated request to create, regenerate or delete the Post by Email address.
	 *
	 * @since 4.3.0
	 *
	 * @param string $endpoint Process to call on WPCOM to create, regenerate or delete the Post by Email address.
	 * @param string $error    Error message to return.
	 *
	 * @return array
	 */
	private function process_rest_proxy_request( $endpoint, $error ) {
		if ( ! current_user_can( 'edit_posts' ) ) {
			return array( 'message' => $error );
		}

		$xml = $this->init_rest_connection();

		$xml->query( $endpoint );

		if ( $xml->isError() ) {
			return array( 'message' => $error );
		}

		$response = $xml->getResponse();
		if ( empty( $response ) ) {
			return array( 'message' => $error );
		}

		// Used only in Jetpack_Core_Json_Api_Endpoints::get_remote_value.
		update_option( 'post_by_email_address' . get_current_user_id(), $response );

		return $response;
	}

	/**
	 * Initialize the IXR client
	 *
	 * @return Jetpack_IXR_Client
	 */
	private function init_rest_connection() {
		return new Jetpack_IXR_Client( array( 'user_id' => get_current_user_id() ) );
	}
}


1			<?php
2			/**
3			* Class Jetpack_Post_By_Email
4			*
5			* @package Jetpack
6			*/
7
8			use Automattic\Jetpack\Connection\Manager as Connection_Manager;
9
10			/**
11			* Class Jetpack_Post_By_Email
12			*/
13			class Jetpack_Post_By_Email {
14			/**
15			* Initialize PBE.
16			*
17			* @return Jetpack_Post_By_Email
18			*/
19			public static function init() {
20			static $instance = null;
21
22			if ( ! $instance ) {
23			$instance = new Jetpack_Post_By_Email();
24			}
25
26			return $instance;
27			}
28
29			/**
30			* Singleton
31			*/
32			private function __construct() {
33			add_action( 'init', array( &$this, 'action_init' ) );
34			}
35
36			/**
37			* Adds hooks for PBE.
38			*/
39			public function action_init() {
40			if ( ! current_user_can( 'edit_posts' ) ) {
41			return;
42			}
43
44			add_action( 'profile_personal_options', array( &$this, 'user_profile' ) );
45			add_action( 'admin_print_scripts-profile.php', array( &$this, 'profile_scripts' ) );
46
47			add_action( 'wp_ajax_jetpack_post_by_email_enable', array( &$this, 'create_post_by_email_address' ) );
48			add_action( 'wp_ajax_jetpack_post_by_email_regenerate', array( &$this, 'regenerate_post_by_email_address' ) );
49			add_action( 'wp_ajax_jetpack_post_by_email_disable', array( &$this, 'delete_post_by_email_address' ) );
50			}
51
52			/**
53			* Enqueues scripts for user profile page.
54			*/
55			public function profile_scripts() {
56			wp_enqueue_script( 'post-by-email', plugins_url( 'post-by-email.js', __FILE__ ), array( 'jquery' ), JETPACK__VERSION, true );
57			wp_localize_script(
58			'post-by-email',
59			'pbeVars',
60			array(
61			'rest_nonce' => wp_create_nonce( 'wp_rest' ),
62			)
63			);
64			wp_enqueue_style( 'post-by-email', plugins_url( 'post-by-email.css', __FILE__ ), array(), JETPACK__VERSION );
65			wp_style_add_data( 'post-by-email', 'jetpack-inline', true );
66			}
67
68			/**
69			* Check if the user is connected.
70			*
71			* @return bool True if connected. False if not.
72			*/
73			public function check_user_connection() {
74			$user_token = ( new Connection_Manager() )->get_access_token( get_current_user_id() );
75
76			$is_user_connected = $user_token && ! is_wp_error( $user_token );
77
78			// If the user is already connected via Jetpack, then we're good.
79			if ( $is_user_connected ) {
80			return true;
81			}
82
83			return false;
84			}
85
86			/**
87			* Adds field to user profile page.
88			*/
89			public function user_profile() {
90			$blog_name = get_bloginfo( 'blogname' );
91			if ( empty( $blog_name ) ) {
92			$blog_name = home_url( '/' );
93			}
94
95			?>
96			<div id="post-by-email" class="jetpack-targetable">
97			<h3><?php esc_html_e( 'Post by Email', 'jetpack' ); ?></h3>
98			<table class="form-table">
99			<tr>
100			<th scope="row"><?php esc_html_e( 'Email Address', 'jetpack' ); ?><span id="jp-pbe-spinner" class="spinner"></span></th>
101			<td>
102			<div id="jp-pbe-error" class="jetpack-inline-error"></div>
103			<?php
104
105			if ( $this->check_user_connection() ) {
106			$email = $this->get_post_by_email_address();
107
108			$enable_button_style = empty( $email ) ? '' : 'display: none;';
109			$info_style = empty( $email ) ? 'display: none;' : '';
110			?>
111
112			<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 ); ?>" />
113			<div id="jp-pbe-info" style="<?php echo esc_attr( $info_style ); ?>">
114			<p id="jp-pbe-email-wrapper">
115			<input type="text" id="jp-pbe-email" value="<?php echo esc_attr( $email ); ?>" readonly="readonly" class="regular-text" />
116			<span class="description"><a target="_blank" href="https://jetpack.com/support/post-by-email/"><?php esc_html_e( 'More information', 'jetpack' ); ?></a></span>
117			</p>
118			<p>
119			<input type="button" name="jp-pbe-regenerate" id="jp-pbe-regenerate" class="button" value="<?php esc_attr_e( 'Regenerate Address', 'jetpack' ); ?> " />
120			<input type="button" name="jp-pbe-disable" id="jp-pbe-disable" class="button" value="<?php esc_attr_e( 'Disable Post By Email', 'jetpack' ); ?> " />
121			</p>
122			</div>
123			<?php
124			} else {
125			$jetpack = Jetpack::init();
126			?>
127
128			<p class="jetpack-inline-message">
129			<?php
130			printf(
131			/* translators: Placeholder is the site's name from WordPress settings. */
132			esc_html( wptexturize( __( 'To use Post By Email, you need to link your %s account to your WordPress.com account.', 'jetpack' ) ) ),
133			'<strong>' . esc_html( $blog_name ) . '</strong>'
134			);
135			?>
136			<br />
137			<?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' ) ) ); ?>
138			</p>
139			<p>
140			<a href="<?php echo esc_url( $jetpack->build_connect_url( false, 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>
141			</p>
142			<?php
143			}
144			?>
145			</td>
146			</tr>
147			</table>
148			</div>
149			<?php
150			}
151
152			/**
153			* XMLRPC Query to WP.com for PBE e-mail address for user.
154			*
155			* @return string\|null PBE E-mail Address or null on error.
156			*/
157			public function get_post_by_email_address() {
158			$xml = $this->init_rest_connection();
159
160			$xml->query( 'jetpack.getPostByEmailAddress' );
161
162			if ( $xml->isError() ) {
163			return null;
164			}
165
166			$response = $xml->getResponse();
167			if ( empty( $response ) ) {
168			return null;
169			}
170
171			return $response;
172			}
173
174			/**
175			* Process the REST API request to modify the "Post by Email" settings.
176			*
177			* @param string $action Allowed values: 'create', 'regenerate', 'delete'.
178			*
179			* @return array\|false
180			*/
181			public function process_api_request( $action ) {
182			$endpoint = null;
183			$error_message = esc_html__( 'Please try again later.', 'jetpack' );
184			$result = false;
185
186			switch ( $action ) {
187			case 'create':
188			$endpoint = 'jetpack.createPostByEmailAddress';
189			$error_message = esc_html__( 'Unable to create the Post by Email address. Please try again later.', 'jetpack' );
190			break;
191			case 'regenerate':
192			$endpoint = 'jetpack.regeneratePostByEmailAddress';
193			$error_message = esc_html__( 'Unable to regenerate the Post by Email address. Please try again later.', 'jetpack' );
194			break;
195			case 'delete':
196			$endpoint = 'jetpack.deletePostByEmailAddress';
197			$error_message = esc_html__( 'Unable to delete the Post by Email address. Please try again later.', 'jetpack' );
198			break;
199			}
200
201			if ( $endpoint ) {
			0 ignored issues – show Bug Best Practice introduced 2020-03-26 19:41 UTC by Report Bug Copy Issue Report The expression `$endpoint` of type `string\|null` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
202			$result = $this->process_rest_proxy_request( $endpoint, $error_message );
203			}
204
205			return $result;
206			}
207
208			/**
209			* AJAX endpoint to create a new e-mail address.
210			*/
211			public function create_post_by_email_address() {
212			_doing_it_wrong( __METHOD__, esc_html__( "Use REST API endpoint '/wp-json/jetpack/v4/settings' instead.", 'jetpack' ), 'jetpack-8.4' );
213
214			self::process_ajax_proxy_request(
			0 ignored issues – show Deprecated Code introduced 2020-03-26 19:41 UTC by Report Bug Copy Issue Report The method `Jetpack_Post_By_Email::p...ss_ajax_proxy_request()` has been deprecated. This method has been deprecated. Loading history...
215			'jetpack.createPostByEmailAddress',
216			__( 'Unable to create your Post By Email address. Please try again later.', 'jetpack' )
217			);
218			}
219
220			/**
221			* AJAX endpoint to regenerate PBE e-mail address.
222			*/
223			public function regenerate_post_by_email_address() {
224			_doing_it_wrong( __METHOD__, esc_html__( "Use REST API endpoint '/wp-json/jetpack/v4/settings' instead.", 'jetpack' ), 'jetpack-8.4' );
225
226			self::process_ajax_proxy_request(
			0 ignored issues – show Deprecated Code introduced 2020-03-26 19:41 UTC by Report Bug Copy Issue Report The method `Jetpack_Post_By_Email::p...ss_ajax_proxy_request()` has been deprecated. This method has been deprecated. Loading history...
227			'jetpack.regeneratePostByEmailAddress',
228			__( 'Unable to regenerate your Post By Email address. Please try again later.', 'jetpack' )
229			);
230			}
231
232			/**
233			* AJAX endpoint to delete a PBE e-mail address.
234			*/
235			public function delete_post_by_email_address() {
236			_doing_it_wrong( __METHOD__, esc_html__( "Use REST API endpoint '/wp-json/jetpack/v4/settings' instead.", 'jetpack' ), 'jetpack-8.4' );
237
238			self::process_ajax_proxy_request(
			0 ignored issues – show Deprecated Code introduced 2020-03-26 19:41 UTC by Report Bug Copy Issue Report The method `Jetpack_Post_By_Email::p...ss_ajax_proxy_request()` has been deprecated. This method has been deprecated. Loading history...
239			'jetpack.deletePostByEmailAddress',
240			__( 'Unable to disable your Post By Email address. Please try again later.', 'jetpack' )
241			);
242			}
243
244			/**
245			* The AJAX proxying method for backward compatibility.
246			* To be removed in the upcoming versions.
247			*
248			* @param string $endpoint Jetpack API endpoint.
249			* @param string $error_message Error message to be returned if something goes wrong.
250			*
251			* @deprecated
252			*/
253			public function __process_ajax_proxy_request( $endpoint, $error_message ) { // phpcs:ignore
254			$this->process_ajax_proxy_request( $endpoint, $error_message );
			0 ignored issues – show Deprecated Code introduced 2020-03-09 01:09 UTC by Report Bug Copy Issue Report The method `Jetpack_Post_By_Email::p...ss_ajax_proxy_request()` has been deprecated. This method has been deprecated. Loading history...
255			}
256
257			/**
258			* Back end function to abstract the xmlrpc function calls to wpcom.
259			*
260			* @param string $endpoint Jetpack API endpoint.
261			* @param string $error_message Error message to be returned if something goes wrong.
262			*
263			* @deprecated
264			*/
265			private function process_ajax_proxy_request( $endpoint, $error_message ) {
266			_deprecated_function( __METHOD__, 'jetpack-8.4', '_process_rest_proxy_request' );
267
268			if ( ! current_user_can( 'edit_posts' ) ) {
269			wp_send_json_error( $error_message );
270			}
271			if ( empty( $_REQUEST['pbe_nonce'] ) \|\| ! wp_verify_nonce( $_REQUEST['pbe_nonce'], $endpoint ) ) {
272			wp_send_json_error( $error_message );
273			}
274
275			$xml = $this->init_rest_connection();
276			$xml->query( $endpoint );
277
278			if ( $xml->isError() ) {
279			wp_send_json_error( $error_message );
280			}
281
282			$response = $xml->getResponse();
283			if ( empty( $response ) ) {
284			wp_send_json_error( $error_message );
285			}
286
287			// Will be used only in Jetpack_Core_Json_Api_Endpoints::get_remote_value.
288			update_option( 'post_by_email_address' . get_current_user_id(), $response );
289
290			wp_send_json_success( $response );
291			}
292
293			/**
294			* Calls WPCOM through authenticated request to create, regenerate or delete the Post by Email address.
295			*
296			* @since 4.3.0
297			*
298			* @param string $endpoint Process to call on WPCOM to create, regenerate or delete the Post by Email address.
299			* @param string $error Error message to return.
300			*
301			* @return array
302			*/
303			private function process_rest_proxy_request( $endpoint, $error ) {
304			if ( ! current_user_can( 'edit_posts' ) ) {
305			return array( 'message' => $error );
306			}
307
308			$xml = $this->init_rest_connection();
309
310			$xml->query( $endpoint );
311
312			if ( $xml->isError() ) {
313			return array( 'message' => $error );
314			}
315
316			$response = $xml->getResponse();
317			if ( empty( $response ) ) {
318			return array( 'message' => $error );
319			}
320
321			// Used only in Jetpack_Core_Json_Api_Endpoints::get_remote_value.
322			update_option( 'post_by_email_address' . get_current_user_id(), $response );
323
324			return $response;
325			}
326
327			/**
328			* Initialize the IXR client
329			*
330			* @return Jetpack_IXR_Client
331			*/
332			private function init_rest_connection() {
333			return new Jetpack_IXR_Client( array( 'user_id' => get_current_user_id() ) );
334			}
335			}
336

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