Jetpack_Client_Server::check_admin_referer() - Code Metrics - Inspection of "Merge pull request #4702 from Automattic/fix/flipp..." - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — branch-4.2 ( 07818b...1491c2 )

unknown

created 2016-08-09 20:26 UTC

Jetpack_Client_Server::check_admin_referer() A

↳ Parent: Jetpack_Client_Server

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?php

/**
 * Client = Plugin
 * Client Server = API Methods the Plugin must respond to
 */
class Jetpack_Client_Server {

	/**
	 * Authorizations
	 */
	function client_authorize() {
		$data              = stripslashes_deep( $_GET );
		$data['auth_type'] = 'client';
		$role              = Jetpack::translate_current_user_to_role();
		$redirect          = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';

		$this->check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" );

		$result = $this->authorize( $data );
		if ( is_wp_error( $result ) ) {
			Jetpack::state( 'error', $result->get_error_code() );
		}

		if ( wp_validate_redirect( $redirect ) ) {
			$this->wp_safe_redirect( $redirect );
		} else {
			$this->wp_safe_redirect( Jetpack::admin_url() );
		}

		/**
		 * Fires after the Jetpack client is authorized to communicate with WordPress.com.
		 *
		 * @since 4.2.0
		 *
		 * @param int Jetpack Blog ID.
		 */
		do_action( 'jetpack_client_authorized', Jetpack_Options::get_option( 'id' ) );

		$this->do_exit();
	}

	function authorize( $data = array() ) {
		$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

		$jetpack_unique_connection = Jetpack_Options::get_option( 'unique_connection' );
		// Checking if site has been active/connected previously before recording unique connection
		if ( ! $jetpack_unique_connection ) {
			// jetpack_unique_connection option has never been set
			$jetpack_unique_connection = array(
				'connected'     => 0,
				'disconnected'  => 0,
				'version'       => '3.6.1',
			);

			update_option( 'jetpack_unique_connection', $jetpack_unique_connection );

			//track unique connection
			$jetpack = $this->get_jetpack();;
// Bad
$a = 5; $b = 6; $c = 7;

// Good
$a = 5;
$b = 6;
$c = 7;

			$jetpack->stat( 'connections', 'unique-connection' );
			$jetpack->do_stats( 'server_side' );
		}

		// increment number of times connected
		$jetpack_unique_connection['connected'] += 1;
		Jetpack_Options::update_option( 'unique_connection', $jetpack_unique_connection );

		$role = Jetpack::translate_current_user_to_role();

		if ( ! $role ) {
			return new Jetpack_Error( 'no_role', 'Invalid request.', 400 );
		}

		$cap = Jetpack::translate_role_to_cap( $role );
		if ( ! $cap ) {
			return new Jetpack_Error( 'no_cap', 'Invalid request.', 400 );
		}

		if ( ! empty( $data['error'] ) ) {
			return new Jetpack_Error( $data['error'], 'Error included in the request.', 400 );
		}

		if ( ! isset( $data['state'] ) ) {
			return new Jetpack_Error( 'no_state', 'Request must include state.', 400 );
		}

		if ( ! ctype_digit( $data['state'] ) ) {
			return new Jetpack_Error( $data['error'], 'State must be an integer.', 400 );
		}

		$current_user_id = get_current_user_id();
		if ( $current_user_id != $data['state'] ) {
			return new Jetpack_Error( 'wrong_state', 'State does not match current user.', 400 );
		}

		if ( empty( $data['code'] ) ) {
			return new Jetpack_Error( 'no_code', 'Request must include an authorization code.', 400 );
		}

		$token = $this->get_token( $data );

		if ( is_wp_error( $token ) ) {
			$code = $token->get_error_code();
			if ( empty( $code ) ) {
				$code = 'invalid_token';
			}
			return new Jetpack_Error( $code, $token->get_error_message(), 400 );
		}

		if ( ! $token ) {
			return new Jetpack_Error( 'no_token', 'Error generating token.', 400 );
		}

		$is_master_user = ! Jetpack::is_active();

		Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user );

		if ( ! $is_master_user ) {
			// Don't activate anything since we are just connecting a user.
			return 'linked';
		}

		$redirect_on_activation_error = ( 'client' === $data['auth_type'] ) ? true : false;
		if ( $active_modules = Jetpack_Options::get_option( 'active_modules' ) ) {
			Jetpack::delete_active_modules();

			Jetpack::activate_default_modules( 999, 1, $active_modules, $redirect_on_activation_error );
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
		} else {
			Jetpack::activate_default_modules( false, false, array(), $redirect_on_activation_error );
		}
		
		// Start nonce cleaner
		wp_clear_scheduled_hook( 'jetpack_clean_nonces' );
		wp_schedule_event( time(), 'hourly', 'jetpack_clean_nonces' );

		return 'authorized';
	}

	public static function deactivate_plugin( $probable_file, $probable_title ) {
		include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
		if ( is_plugin_active( $probable_file ) ) {
			deactivate_plugins( $probable_file );
			return 1;
		} else {
			// If the plugin is not in the usual place, try looking through all active plugins.
			$active_plugins = Jetpack::get_active_plugins();
			foreach ( $active_plugins as $plugin ) {
				$data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
				if ( $data['Name'] == $probable_title ) {
					deactivate_plugins( $plugin );
					return 1;
				}
			}
		}

		return 0;
	}

	/**
	 * @return object|WP_Error
	 */
	function get_token( $data ) {
		$role = Jetpack::translate_current_user_to_role();

		if ( ! $role ) {
			return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) );
		}

		$client_secret = Jetpack_Data::get_access_token();
		if ( ! $client_secret ) {
			return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) );
		}

		$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
		$redirect_uri = ( 'calypso' === $data['auth_type'] )
			? $data['redirect_uri']
			: add_query_arg( array(
				'action' => 'authorize',
				'_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ),
				'redirect' => $redirect ? urlencode( $redirect ) : false,
			), menu_page_url( 'jetpack', false ) );

		$body = array(
			'client_id' => Jetpack_Options::get_option( 'id' ),
			'client_secret' => $client_secret->secret,
			'grant_type' => 'authorization_code',
			'code' => $data['code'],
			'redirect_uri' => $redirect_uri,
		);

		$args = array(
			'method' => 'POST',
			'body' => $body,
			'headers' => array(
				'Accept' => 'application/json',
			),
		);
		$response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ) ), $args );

		if ( is_wp_error( $response ) ) {
			return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() );
		}

		$code = wp_remote_retrieve_response_code( $response );
		$entity = wp_remote_retrieve_body( $response );

		if ( $entity ) {
			$json = json_decode( $entity );
		} else {
			$json = false;
		}

		if ( 200 != $code || ! empty( $json->error ) ) {
			if ( empty( $json->error ) ) {
				return new Jetpack_Error( 'unknown', '', $code );
			}

			$error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : '';

			return new Jetpack_Error( (string) $json->error, $error_description, $code );
		}

		if ( empty( $json->access_token ) || ! is_scalar( $json->access_token ) ) {
			return new Jetpack_Error( 'access_token', '', $code );
		}

		if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) {
			return new Jetpack_Error( 'token_type', '', $code );
		}

		if ( empty( $json->scope ) ) {
			return new Jetpack_Error( 'scope', 'No Scope', $code );
		}

		@list( $role, $hmac ) = explode( ':', $json->scope );
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
		if ( empty( $role ) || empty( $hmac ) ) {
			return new Jetpack_Error( 'scope', 'Malformed Scope', $code );
		}

		if ( Jetpack::sign_role( $role ) !== $json->scope ) {
			return new Jetpack_Error( 'scope', 'Invalid Scope', $code );
		}

		if ( ! $cap = Jetpack::translate_role_to_cap( $role ) ) {
			return new Jetpack_Error( 'scope', 'No Cap', $code );
		}

		if ( ! current_user_can( $cap ) ) {
			return new Jetpack_Error( 'scope', 'current_user_cannot', $code );
		}

		/**
		 * Fires after user has successfully received an auth token.
		 *
		 * @since 3.9.0
		 */
		do_action( 'jetpack_user_authorized' );

		return (string) $json->access_token;
	}

	public function get_jetpack() {
		return Jetpack::init();
	}

	public function check_admin_referer( $action ) {
		return check_admin_referer( $action );
	}

	public function wp_safe_redirect( $redirect ) {
		return wp_safe_redirect( $redirect );
	}

	public function do_exit() {
		exit;

	}
}


1			<?php
2
3			/**
4			* Client = Plugin
5			* Client Server = API Methods the Plugin must respond to
6			*/
7			class Jetpack_Client_Server {
8
9			/**
10			* Authorizations
11			*/
12			function client_authorize() {
13			$data = stripslashes_deep( $_GET );
14			$data['auth_type'] = 'client';
15			$role = Jetpack::translate_current_user_to_role();
16			$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
17
18			$this->check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" );
19
20			$result = $this->authorize( $data );
21			if ( is_wp_error( $result ) ) {
22			Jetpack::state( 'error', $result->get_error_code() );
23			}
24
25			if ( wp_validate_redirect( $redirect ) ) {
26			$this->wp_safe_redirect( $redirect );
27			} else {
28			$this->wp_safe_redirect( Jetpack::admin_url() );
29			}
30
31			/**
32			* Fires after the Jetpack client is authorized to communicate with WordPress.com.
33			*
34			* @since 4.2.0
35			*
36			* @param int Jetpack Blog ID.
37			*/
38			do_action( 'jetpack_client_authorized', Jetpack_Options::get_option( 'id' ) );
39
40			$this->do_exit();
41			}
42
43			function authorize( $data = array() ) {
44			$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
			0 ignored issues – show Unused Code introduced 2016-02-14 17:26 UTC by Report Bug Copy Issue Report `$redirect` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
45
46			$jetpack_unique_connection = Jetpack_Options::get_option( 'unique_connection' );
47			// Checking if site has been active/connected previously before recording unique connection
48			if ( ! $jetpack_unique_connection ) {
49			// jetpack_unique_connection option has never been set
50			$jetpack_unique_connection = array(
51			'connected' => 0,
52			'disconnected' => 0,
53			'version' => '3.6.1',
54			);
55
56			update_option( 'jetpack_unique_connection', $jetpack_unique_connection );
57
58			//track unique connection
59			$jetpack = $this->get_jetpack();;
			0 ignored issues – show Coding Style introduced 2016-07-06 20:44 UTC by Report Bug Copy Issue Report It is generally recommended to place each PHP statement on a line by itself. Let’s take a look at an example: // Bad $a = 5; $b = 6; $c = 7; // Good $a = 5; $b = 6; $c = 7; Loading history...
60
61			$jetpack->stat( 'connections', 'unique-connection' );
62			$jetpack->do_stats( 'server_side' );
63			}
64
65			// increment number of times connected
66			$jetpack_unique_connection['connected'] += 1;
67			Jetpack_Options::update_option( 'unique_connection', $jetpack_unique_connection );
68
69			$role = Jetpack::translate_current_user_to_role();
70
71			if ( ! $role ) {
72			return new Jetpack_Error( 'no_role', 'Invalid request.', 400 );
73			}
74
75			$cap = Jetpack::translate_role_to_cap( $role );
76			if ( ! $cap ) {
77			return new Jetpack_Error( 'no_cap', 'Invalid request.', 400 );
78			}
79
80			if ( ! empty( $data['error'] ) ) {
81			return new Jetpack_Error( $data['error'], 'Error included in the request.', 400 );
82			}
83
84			if ( ! isset( $data['state'] ) ) {
85			return new Jetpack_Error( 'no_state', 'Request must include state.', 400 );
86			}
87
88			if ( ! ctype_digit( $data['state'] ) ) {
89			return new Jetpack_Error( $data['error'], 'State must be an integer.', 400 );
90			}
91
92			$current_user_id = get_current_user_id();
93			if ( $current_user_id != $data['state'] ) {
94			return new Jetpack_Error( 'wrong_state', 'State does not match current user.', 400 );
95			}
96
97			if ( empty( $data['code'] ) ) {
98			return new Jetpack_Error( 'no_code', 'Request must include an authorization code.', 400 );
99			}
100
101			$token = $this->get_token( $data );
102
103			if ( is_wp_error( $token ) ) {
104			$code = $token->get_error_code();
105			if ( empty( $code ) ) {
106			$code = 'invalid_token';
107			}
108			return new Jetpack_Error( $code, $token->get_error_message(), 400 );
109			}
110
111			if ( ! $token ) {
112			return new Jetpack_Error( 'no_token', 'Error generating token.', 400 );
113			}
114
115			$is_master_user = ! Jetpack::is_active();
116
117			Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user );
118
119			if ( ! $is_master_user ) {
120			// Don't activate anything since we are just connecting a user.
121			return 'linked';
122			}
123
124			$redirect_on_activation_error = ( 'client' === $data['auth_type'] ) ? true : false;
125			if ( $active_modules = Jetpack_Options::get_option( 'active_modules' ) ) {
126			Jetpack::delete_active_modules();
127
128			Jetpack::activate_default_modules( 999, 1, $active_modules, $redirect_on_activation_error );
			0 ignored issues – show Documentation introduced 2016-07-08 14:03 UTC by Report Bug Copy Issue Report `999` is of type `integer`, but the function expects a `boolean`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
129			} else {
130			Jetpack::activate_default_modules( false, false, array(), $redirect_on_activation_error );
131			}
132
133			// Start nonce cleaner
134			wp_clear_scheduled_hook( 'jetpack_clean_nonces' );
135			wp_schedule_event( time(), 'hourly', 'jetpack_clean_nonces' );
136
137			return 'authorized';
138			}
139
140			public static function deactivate_plugin( $probable_file, $probable_title ) {
141			include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
142			if ( is_plugin_active( $probable_file ) ) {
143			deactivate_plugins( $probable_file );
144			return 1;
145			} else {
146			// If the plugin is not in the usual place, try looking through all active plugins.
147			$active_plugins = Jetpack::get_active_plugins();
148			foreach ( $active_plugins as $plugin ) {
149			$data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
150			if ( $data['Name'] == $probable_title ) {
151			deactivate_plugins( $plugin );
152			return 1;
153			}
154			}
155			}
156
157			return 0;
158			}
159
160			/**
161			* @return object\|WP_Error
162			*/
163			function get_token( $data ) {
164			$role = Jetpack::translate_current_user_to_role();
165
166			if ( ! $role ) {
167			return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) );
168			}
169
170			$client_secret = Jetpack_Data::get_access_token();
171			if ( ! $client_secret ) {
172			return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) );
173			}
174
175			$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
176			$redirect_uri = ( 'calypso' === $data['auth_type'] )
177			? $data['redirect_uri']
178			: add_query_arg( array(
179			'action' => 'authorize',
180			'_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ),
181			'redirect' => $redirect ? urlencode( $redirect ) : false,
182			), menu_page_url( 'jetpack', false ) );
183
184			$body = array(
185			'client_id' => Jetpack_Options::get_option( 'id' ),
186			'client_secret' => $client_secret->secret,
187			'grant_type' => 'authorization_code',
188			'code' => $data['code'],
189			'redirect_uri' => $redirect_uri,
190			);
191
192			$args = array(
193			'method' => 'POST',
194			'body' => $body,
195			'headers' => array(
196			'Accept' => 'application/json',
197			),
198			);
199			$response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ) ), $args );
200
201			if ( is_wp_error( $response ) ) {
202			return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() );
203			}
204
205			$code = wp_remote_retrieve_response_code( $response );
206			$entity = wp_remote_retrieve_body( $response );
207
208			if ( $entity ) {
209			$json = json_decode( $entity );
210			} else {
211			$json = false;
212			}
213
214			if ( 200 != $code \|\| ! empty( $json->error ) ) {
215			if ( empty( $json->error ) ) {
216			return new Jetpack_Error( 'unknown', '', $code );
217			}
218
219			$error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : '';
220
221			return new Jetpack_Error( (string) $json->error, $error_description, $code );
222			}
223
224			if ( empty( $json->access_token ) \|\| ! is_scalar( $json->access_token ) ) {
225			return new Jetpack_Error( 'access_token', '', $code );
226			}
227
228			if ( empty( $json->token_type ) \|\| 'X_JETPACK' != strtoupper( $json->token_type ) ) {
229			return new Jetpack_Error( 'token_type', '', $code );
230			}
231
232			if ( empty( $json->scope ) ) {
233			return new Jetpack_Error( 'scope', 'No Scope', $code );
234			}
235
236			@list( $role, $hmac ) = explode( ':', $json->scope );
			0 ignored issues – show Security Best Practice introduced 2015-11-20 23:03 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
237			if ( empty( $role ) \|\| empty( $hmac ) ) {
238			return new Jetpack_Error( 'scope', 'Malformed Scope', $code );
239			}
240
241			if ( Jetpack::sign_role( $role ) !== $json->scope ) {
242			return new Jetpack_Error( 'scope', 'Invalid Scope', $code );
243			}
244
245			if ( ! $cap = Jetpack::translate_role_to_cap( $role ) ) {
246			return new Jetpack_Error( 'scope', 'No Cap', $code );
247			}
248
249			if ( ! current_user_can( $cap ) ) {
250			return new Jetpack_Error( 'scope', 'current_user_cannot', $code );
251			}
252
253			/**
254			* Fires after user has successfully received an auth token.
255			*
256			* @since 3.9.0
257			*/
258			do_action( 'jetpack_user_authorized' );
259
260			return (string) $json->access_token;
261			}
262
263			public function get_jetpack() {
264			return Jetpack::init();
265			}
266
267			public function check_admin_referer( $action ) {
268			return check_admin_referer( $action );
269			}
270
271			public function wp_safe_redirect( $redirect ) {
272			return wp_safe_redirect( $redirect );
273			}
274
275			public function do_exit() {
276			exit;
			0 ignored issues – show Coding Style Compatibility introduced 2015-11-20 23:04 UTC by Report Bug Copy Issue Report The method `do_exit()` contains an exit expression. An exit expression should only be used in rare cases. For example, if you write a short command line script. In most cases however, using an `exit` expression makes the code untestable and often causes incompatibilities with other libraries. Thus, unless you are absolutely sure it is required here, we recommend to refactor your code to avoid its usage. Loading history...
277			}
278			}
279

Automattic / jetpack

Push — branch-4.2 ( 07818b...1491c2 )

Jetpack_Client_Server::check_admin_referer() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like