sharedaddy.php ➔ sharing_meta_box_content() - Code Metrics - Inspection of "Protect against malformed from names." - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — sharedaddy/email-from ( c6339b )

by George

created 2017-03-27 17:16 UTC

sharedaddy.php ➔ sharing_meta_box_content() B

↳ Parent: Project

Complexity

Conditions	1
Paths	1

Size

Total Lines	34
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	9
nc	1
nop	1
dl	0
loc	34
rs	8.8571
c	0
b	0
f	0

<?php
/*
Plugin Name: Sharedaddy
Description: The most super duper sharing tool on the interwebs.
Version: 0.3.1
Author: Automattic, Inc.
Author URI: http://automattic.com/
Plugin URI: http://en.blog.wordpress.com/2010/08/24/more-ways-to-share/
*/

require_once plugin_dir_path( __FILE__ ).'sharing.php';

function sharing_email_send_post( $data ) {

	$content = sharing_email_send_post_content( $data );
	// Borrowed from wp_mail();
	$sitename = strtolower( $_SERVER['SERVER_NAME'] );
	if ( substr( $sitename, 0, 4 ) == 'www.' ) {
		$sitename = substr( $sitename, 4 );
	}

	/** This filter is documented in core/src/wp-includes/pluggable.php */
	$from_email = apply_filters( 'wp_mail_from', 'wordpress@' . $sitename );

	if ( ! empty( $data['name'] ) ) {
		$s_name = (string) $data['name'];
		$name_needs_encoding_regex =
			'/[' .
				// SpamAssasin's list of characters which "need MIME" encoding
				'\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff' .
				// Our list of "unsafe" characters
				'<\r\n' .
			']/';

		$needs_encoding = preg_match( $name_needs_encoding_regex, $s_name ) ||      // If it contains any blacklisted chars,
				! function_exists( 'mb_convert_encoding' ) ||           // Or if we can't use `mb_convert_encoding` encode everything,
				mb_convert_encoding( $data['name'], 'ASCII' ) !== $s_name // Or if it's not already ASCII
			);


		if ( $needs_encoding ) {
			$data['name'] = sprintf( '=?UTF-8?B?%s?=', base64_encode( $data['name'] ) );
		}
	}

	$headers[] = sprintf( 'From: %1$s <%2$s>', $data['name'], $from_email );
	$headers[] = sprintf( 'Reply-To: %1$s <%2$s>', $data['name'], $data['source'] );

	// Make sure to pass the title through the normal sharing filters.
	$title = $data['sharing_source']->get_share_title( $data['post']->ID );

	wp_mail( $data['target'], '[' . __( 'Shared Post', 'jetpack' ) . '] ' . $title, $content, $headers );
}


/* Checks for spam using akismet if available. */
/* Return $data as it if email about to be send out is not spam. */
function sharing_email_check_for_spam_via_akismet( $data ) {

	if ( ! function_exists( 'akismet_http_post' ) && ! method_exists( 'Akismet', 'http_post' ) )
		return $data;

	// Prepare the body_request for akismet
	$body_request = array(
		'blog'                  => get_option( 'home' ),
		'permalink'             => $data['sharing_source']->get_share_url( $data['post']->ID ),
		'comment_type'          => 'share',
		'comment_author'        => $data['name'],
		'comment_author_email'  => $data['source'],
		'comment_content'       => sharing_email_send_post_content( $data ),
		'user_agent'            => ( isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : null ),
		);

	if ( method_exists( 'Akismet', 'http_post' ) ) {
		$body_request['user_ip']	= Akismet::get_ip_address();
		$response = Akismet::http_post( build_query( $body_request ), 'comment-check' );
	} else {
		global $akismet_api_host, $akismet_api_port;
		$body_request['user_ip'] 	= ( isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : null );
		$response = akismet_http_post( build_query( $body_request ), $akismet_api_host, '/1.1/comment-check', $akismet_api_port );
	}

	// The Response is spam lets not send the email.
	if ( ! empty( $response ) && isset( $response[1] ) && 'true' == trim( $response[1] ) ) { // 'true' is spam
		return false; // don't send the email
	}
	return $data;
}

function sharing_email_send_post_content( $data ) {
	/* translators: included in email when post is shared via email. First item is sender's name. Second is sender's email address. */
	$content  = sprintf( __( '%1$s (%2$s) thinks you may be interested in the following post:', 'jetpack' ), $data['name'], $data['source'] );
	$content .= "\n\n";
	// Make sure to pass the title and URL through the normal sharing filters.
	$content .= $data['sharing_source']->get_share_title( $data['post']->ID ) . "\n";
	$content .= $data['sharing_source']->get_share_url( $data['post']->ID ) . "\n";
	return $content;
}

function sharing_add_meta_box() {
	global $post;
	if ( empty( $post ) ) { // If a current post is not defined, such as when editing a comment.
		return;
	}

	/**
	 * Filter whether to display the Sharing Meta Box or not.
	 *
	 * @module sharedaddy
	 *
	 * @since 3.8.0
	 *
	 * @param bool true Display Sharing Meta Box.
	 * @param $post Post.
	 */
	if ( ! apply_filters( 'sharing_meta_box_show', true, $post ) ) {
		return;
	}

	$post_types = get_post_types( array( 'public' => true ) );
	/**
	 * Filter the Sharing Meta Box title.
	 *
	 * @module sharedaddy
	 *
	 * @since 2.2.0
	 *
	 * @param string $var Sharing Meta Box title. Default is "Sharing".
	 */
	$title = apply_filters( 'sharing_meta_box_title', __( 'Sharing', 'jetpack' ) );
	if ( $post->ID !== get_option( 'page_for_posts' ) ) {
		foreach( $post_types as $post_type ) {
			add_meta_box( 'sharing_meta', $title, 'sharing_meta_box_content', $post_type, 'advanced', 'high' );
		}
	}
}


function sharing_meta_box_content( $post ) {
	/**
	 * Fires before the sharing meta box content.
	 *
	 * @module sharedaddy
	 *
	 * @since 2.2.0
	 *
	 * @param WP_Post $post The post to share.
	 */
	do_action( 'start_sharing_meta_box_content', $post );

	$disabled = get_post_meta( $post->ID, 'sharing_disabled', true ); ?>

	<p>
		<label for="enable_post_sharing">
			<input type="checkbox" name="enable_post_sharing" id="enable_post_sharing" value="1" <?php checked( !$disabled ); ?>>
			<?php _e( 'Show sharing buttons.' , 'jetpack'); ?>
		</label>
		<input type="hidden" name="sharing_status_hidden" value="1" />
	</p>

	<?php
	/**
	 * Fires after the sharing meta box content.
	 *
	 * @module sharedaddy
	 *
	 * @since 2.2.0
	 *
	 * @param WP_Post $post The post to share.
	*/
	do_action( 'end_sharing_meta_box_content', $post );
}

function sharing_meta_box_save( $post_id ) {
	if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )
		return $post_id;

	// Record sharing disable
	if ( isset( $_POST['post_type'] ) && ( $post_type_object = get_post_type_object( $_POST['post_type'] ) ) && $post_type_object->public ) {
		if ( current_user_can( 'edit_post', $post_id ) ) {
			if ( isset( $_POST['sharing_status_hidden'] ) ) {
				if ( !isset( $_POST['enable_post_sharing'] ) ) {
					update_post_meta( $post_id, 'sharing_disabled', 1 );
				} else {
					delete_post_meta( $post_id, 'sharing_disabled' );
				}
			}
		}
	}

  	return $post_id;
}

function sharing_meta_box_protected( $protected, $meta_key, $meta_type ) {
	if ( 'sharing_disabled' == $meta_key )
		$protected = true;

	return $protected;
}

add_filter( 'is_protected_meta', 'sharing_meta_box_protected', 10, 3 );

function sharing_plugin_settings( $links ) {
	$settings_link = '<a href="options-general.php?page=sharing.php">'.__( 'Settings', 'jetpack' ).'</a>';
	array_unshift( $links, $settings_link );
	return $links;
}

function sharing_add_plugin_settings($links, $file) {
	if ( $file == basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ) ) {
		$links[] = '<a href="options-general.php?page=sharing.php">' . __( 'Settings', 'jetpack' ) . '</a>';
		$links[] = '<a href="http://support.wordpress.com/sharing/" target="_blank">' . __( 'Support', 'jetpack' ) . '</a>';
	}

	return $links;
}

function sharing_restrict_to_single( $services ) {
	// This removes Press This from non-multisite blogs - doesn't make much sense
	if ( is_multisite() === false ) {
		unset( $services['press-this'] );
	}

	return $services;
}

function sharing_init() {
	if ( Jetpack_Options::get_option_and_ensure_autoload( 'sharedaddy_disable_resources', '0' ) ) {
		add_filter( 'sharing_js', 'sharing_disable_js' );
		remove_action( 'wp_head', 'sharing_add_header', 1 );
	}
}

function sharing_disable_js() {
	return false;
}

function sharing_global_resources() {
	$disable = get_option( 'sharedaddy_disable_resources' );
?>
<tr valign="top">
	<th scope="row"><label for="disable_css"><?php _e( 'Disable CSS and JS', 'jetpack' ); ?></label></th>
	<td>
		<input id="disable_css" type="checkbox" name="disable_resources" <?php if ( $disable == 1 ) echo ' checked="checked"'; ?>/>  <small><em><?php _e( 'Advanced.  If this option is checked, you must include these files in your theme manually for the sharing links to work.', 'jetpack' ); ?></em></small>
	</td>
</tr>
<?php
}

function sharing_global_resources_save() {
	update_option( 'sharedaddy_disable_resources', isset( $_POST['disable_resources'] ) ? 1 : 0 );
}

function sharing_email_dialog() {
	require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';

	$recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY );
	echo $recaptcha->get_recaptcha_html(); // xss ok
}

function sharing_email_check( $true, $post, $data ) {
	require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';

	$recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY );
	$response  = ! empty( $_POST['g-recaptcha-response'] ) ? $_POST['g-recaptcha-response'] : '';
	$result    = $recaptcha->verify( $response, $_SERVER['REMOTE_ADDR'] );

	return ( true === $result );
}

add_action( 'init', 'sharing_init' );
add_action( 'add_meta_boxes', 'sharing_add_meta_box' );
add_action( 'save_post', 'sharing_meta_box_save' );
add_action( 'sharing_email_send_post', 'sharing_email_send_post' );
add_filter( 'sharing_email_can_send', 'sharing_email_check_for_spam_via_akismet' );
add_action( 'sharing_global_options', 'sharing_global_resources', 30 );
add_action( 'sharing_admin_update', 'sharing_global_resources_save' );
add_filter( 'sharing_services', 'sharing_restrict_to_single' );
add_action( 'plugin_action_links_'.basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ), 'sharing_plugin_settings', 10, 4 );
add_filter( 'plugin_row_meta', 'sharing_add_plugin_settings', 10, 2 );

if ( defined( 'RECAPTCHA_PUBLIC_KEY' ) && defined( 'RECAPTCHA_PRIVATE_KEY' ) ) {
	add_action( 'sharing_email_dialog', 'sharing_email_dialog' );
	add_filter( 'sharing_email_check', 'sharing_email_check', 10, 3 );
}


1			<?php
2			/*
3			Plugin Name: Sharedaddy
4			Description: The most super duper sharing tool on the interwebs.
5			Version: 0.3.1
6			Author: Automattic, Inc.
7			Author URI: http://automattic.com/
8			Plugin URI: http://en.blog.wordpress.com/2010/08/24/more-ways-to-share/
9			*/
10
11			require_once plugin_dir_path( __FILE__ ).'sharing.php';
12
13			function sharing_email_send_post( $data ) {
14
15			$content = sharing_email_send_post_content( $data );
16			// Borrowed from wp_mail();
17			$sitename = strtolower( $_SERVER['SERVER_NAME'] );
18			if ( substr( $sitename, 0, 4 ) == 'www.' ) {
19			$sitename = substr( $sitename, 4 );
20			}
21
22			/** This filter is documented in core/src/wp-includes/pluggable.php */
23			$from_email = apply_filters( 'wp_mail_from', 'wordpress@' . $sitename );
24
25			if ( ! empty( $data['name'] ) ) {
26			$s_name = (string) $data['name'];
27			$name_needs_encoding_regex =
28			'/[' .
29			// SpamAssasin's list of characters which "need MIME" encoding
30			'\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff' .
31			// Our list of "unsafe" characters
32			'<\r\n' .
33			']/';
34
35			$needs_encoding = preg_match( $name_needs_encoding_regex, $s_name ) \|\| // If it contains any blacklisted chars,
36			! function_exists( 'mb_convert_encoding' ) \|\| // Or if we can't use `mb_convert_encoding` encode everything,
37			mb_convert_encoding( $data['name'], 'ASCII' ) !== $s_name // Or if it's not already ASCII
38			);
			0 ignored issues – show Bug introduced 2017-03-27 17:24 UTC by Report Bug Copy Issue Report This code did not parse for me. Apparently, there is an error somewhere around this line: Syntax error, unexpected ')' Loading history...
39
40			if ( $needs_encoding ) {
41			$data['name'] = sprintf( '=?UTF-8?B?%s?=', base64_encode( $data['name'] ) );
42			}
43			}
44
45			$headers[] = sprintf( 'From: %1$s <%2$s>', $data['name'], $from_email );
46			$headers[] = sprintf( 'Reply-To: %1$s <%2$s>', $data['name'], $data['source'] );
47
48			// Make sure to pass the title through the normal sharing filters.
49			$title = $data['sharing_source']->get_share_title( $data['post']->ID );
50
51			wp_mail( $data['target'], '[' . __( 'Shared Post', 'jetpack' ) . '] ' . $title, $content, $headers );
52			}
53
54
55			/* Checks for spam using akismet if available. */
56			/* Return $data as it if email about to be send out is not spam. */
57			function sharing_email_check_for_spam_via_akismet( $data ) {
58
59			if ( ! function_exists( 'akismet_http_post' ) && ! method_exists( 'Akismet', 'http_post' ) )
60			return $data;
61
62			// Prepare the body_request for akismet
63			$body_request = array(
64			'blog' => get_option( 'home' ),
65			'permalink' => $data['sharing_source']->get_share_url( $data['post']->ID ),
66			'comment_type' => 'share',
67			'comment_author' => $data['name'],
68			'comment_author_email' => $data['source'],
69			'comment_content' => sharing_email_send_post_content( $data ),
70			'user_agent' => ( isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : null ),
71			);
72
73			if ( method_exists( 'Akismet', 'http_post' ) ) {
74			$body_request['user_ip'] = Akismet::get_ip_address();
75			$response = Akismet::http_post( build_query( $body_request ), 'comment-check' );
76			} else {
77			global $akismet_api_host, $akismet_api_port;
78			$body_request['user_ip'] = ( isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : null );
79			$response = akismet_http_post( build_query( $body_request ), $akismet_api_host, '/1.1/comment-check', $akismet_api_port );
80			}
81
82			// The Response is spam lets not send the email.
83			if ( ! empty( $response ) && isset( $response[1] ) && 'true' == trim( $response[1] ) ) { // 'true' is spam
84			return false; // don't send the email
85			}
86			return $data;
87			}
88
89			function sharing_email_send_post_content( $data ) {
90			/* translators: included in email when post is shared via email. First item is sender's name. Second is sender's email address. */
91			$content = sprintf( __( '%1$s (%2$s) thinks you may be interested in the following post:', 'jetpack' ), $data['name'], $data['source'] );
92			$content .= "\n\n";
93			// Make sure to pass the title and URL through the normal sharing filters.
94			$content .= $data['sharing_source']->get_share_title( $data['post']->ID ) . "\n";
95			$content .= $data['sharing_source']->get_share_url( $data['post']->ID ) . "\n";
96			return $content;
97			}
98
99			function sharing_add_meta_box() {
100			global $post;
101			if ( empty( $post ) ) { // If a current post is not defined, such as when editing a comment.
102			return;
103			}
104
105			/**
106			* Filter whether to display the Sharing Meta Box or not.
107			*
108			* @module sharedaddy
109			*
110			* @since 3.8.0
111			*
112			* @param bool true Display Sharing Meta Box.
113			* @param $post Post.
114			*/
115			if ( ! apply_filters( 'sharing_meta_box_show', true, $post ) ) {
116			return;
117			}
118
119			$post_types = get_post_types( array( 'public' => true ) );
120			/**
121			* Filter the Sharing Meta Box title.
122			*
123			* @module sharedaddy
124			*
125			* @since 2.2.0
126			*
127			* @param string $var Sharing Meta Box title. Default is "Sharing".
128			*/
129			$title = apply_filters( 'sharing_meta_box_title', __( 'Sharing', 'jetpack' ) );
130			if ( $post->ID !== get_option( 'page_for_posts' ) ) {
131			foreach( $post_types as $post_type ) {
132			add_meta_box( 'sharing_meta', $title, 'sharing_meta_box_content', $post_type, 'advanced', 'high' );
133			}
134			}
135			}
136
137
138			function sharing_meta_box_content( $post ) {
139			/**
140			* Fires before the sharing meta box content.
141			*
142			* @module sharedaddy
143			*
144			* @since 2.2.0
145			*
146			* @param WP_Post $post The post to share.
147			*/
148			do_action( 'start_sharing_meta_box_content', $post );
149
150			$disabled = get_post_meta( $post->ID, 'sharing_disabled', true ); ?>
151
152			<p>
153			<label for="enable_post_sharing">
154			<input type="checkbox" name="enable_post_sharing" id="enable_post_sharing" value="1" <?php checked( !$disabled ); ?>>
155			<?php _e( 'Show sharing buttons.' , 'jetpack'); ?>
156			</label>
157			<input type="hidden" name="sharing_status_hidden" value="1" />
158			</p>
159
160			<?php
161			/**
162			* Fires after the sharing meta box content.
163			*
164			* @module sharedaddy
165			*
166			* @since 2.2.0
167			*
168			* @param WP_Post $post The post to share.
169			*/
170			do_action( 'end_sharing_meta_box_content', $post );
171			}
172
173			function sharing_meta_box_save( $post_id ) {
174			if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )
175			return $post_id;
176
177			// Record sharing disable
178			if ( isset( $_POST['post_type'] ) && ( $post_type_object = get_post_type_object( $_POST['post_type'] ) ) && $post_type_object->public ) {
179			if ( current_user_can( 'edit_post', $post_id ) ) {
180			if ( isset( $_POST['sharing_status_hidden'] ) ) {
181			if ( !isset( $_POST['enable_post_sharing'] ) ) {
182			update_post_meta( $post_id, 'sharing_disabled', 1 );
183			} else {
184			delete_post_meta( $post_id, 'sharing_disabled' );
185			}
186			}
187			}
188			}
189
190			return $post_id;
191			}
192
193			function sharing_meta_box_protected( $protected, $meta_key, $meta_type ) {
194			if ( 'sharing_disabled' == $meta_key )
195			$protected = true;
196
197			return $protected;
198			}
199
200			add_filter( 'is_protected_meta', 'sharing_meta_box_protected', 10, 3 );
201
202			function sharing_plugin_settings( $links ) {
203			$settings_link = '<a href="options-general.php?page=sharing.php">'.__( 'Settings', 'jetpack' ).'</a>';
204			array_unshift( $links, $settings_link );
205			return $links;
206			}
207
208			function sharing_add_plugin_settings($links, $file) {
209			if ( $file == basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ) ) {
210			$links[] = '<a href="options-general.php?page=sharing.php">' . __( 'Settings', 'jetpack' ) . '</a>';
211			$links[] = '<a href="http://support.wordpress.com/sharing/" target="_blank">' . __( 'Support', 'jetpack' ) . '</a>';
212			}
213
214			return $links;
215			}
216
217			function sharing_restrict_to_single( $services ) {
218			// This removes Press This from non-multisite blogs - doesn't make much sense
219			if ( is_multisite() === false ) {
220			unset( $services['press-this'] );
221			}
222
223			return $services;
224			}
225
226			function sharing_init() {
227			if ( Jetpack_Options::get_option_and_ensure_autoload( 'sharedaddy_disable_resources', '0' ) ) {
228			add_filter( 'sharing_js', 'sharing_disable_js' );
229			remove_action( 'wp_head', 'sharing_add_header', 1 );
230			}
231			}
232
233			function sharing_disable_js() {
234			return false;
235			}
236
237			function sharing_global_resources() {
238			$disable = get_option( 'sharedaddy_disable_resources' );
239			?>
240			<tr valign="top">
241			<th scope="row"><label for="disable_css"><?php _e( 'Disable CSS and JS', 'jetpack' ); ?></label></th>
242			<td>
243			<input id="disable_css" type="checkbox" name="disable_resources" <?php if ( $disable == 1 ) echo ' checked="checked"'; ?>/> <small><em><?php _e( 'Advanced. If this option is checked, you must include these files in your theme manually for the sharing links to work.', 'jetpack' ); ?></em></small>
244			</td>
245			</tr>
246			<?php
247			}
248
249			function sharing_global_resources_save() {
250			update_option( 'sharedaddy_disable_resources', isset( $_POST['disable_resources'] ) ? 1 : 0 );
251			}
252
253			function sharing_email_dialog() {
254			require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';
255
256			$recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY );
257			echo $recaptcha->get_recaptcha_html(); // xss ok
258			}
259
260			function sharing_email_check( $true, $post, $data ) {
261			require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';
262
263			$recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY );
264			$response = ! empty( $_POST['g-recaptcha-response'] ) ? $_POST['g-recaptcha-response'] : '';
265			$result = $recaptcha->verify( $response, $_SERVER['REMOTE_ADDR'] );
266
267			return ( true === $result );
268			}
269
270			add_action( 'init', 'sharing_init' );
271			add_action( 'add_meta_boxes', 'sharing_add_meta_box' );
272			add_action( 'save_post', 'sharing_meta_box_save' );
273			add_action( 'sharing_email_send_post', 'sharing_email_send_post' );
274			add_filter( 'sharing_email_can_send', 'sharing_email_check_for_spam_via_akismet' );
275			add_action( 'sharing_global_options', 'sharing_global_resources', 30 );
276			add_action( 'sharing_admin_update', 'sharing_global_resources_save' );
277			add_filter( 'sharing_services', 'sharing_restrict_to_single' );
278			add_action( 'plugin_action_links_'.basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ), 'sharing_plugin_settings', 10, 4 );
279			add_filter( 'plugin_row_meta', 'sharing_add_plugin_settings', 10, 2 );
280
281			if ( defined( 'RECAPTCHA_PUBLIC_KEY' ) && defined( 'RECAPTCHA_PRIVATE_KEY' ) ) {
282			add_action( 'sharing_email_dialog', 'sharing_email_dialog' );
283			add_filter( 'sharing_email_check', 'sharing_email_check', 10, 3 );
284			}
285

Automattic / jetpack

Push — sharedaddy/email-from ( c6339b )

sharedaddy.php ➔ sharing_meta_box_content() B

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