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Jetpack – WP Security, Backup, Speed, & Growth / 4.3.5
Jetpack – WP Security, Backup, Speed, & Growth v4.3.5
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jetpack / class.jetpack-client-server.php

class.jetpack-client-server.php in Jetpack – WP Security, Backup, Speed, & Growth 4.3.5, at class.jetpack-client-server.php

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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'] ) : '';
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();;
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 Jetpack::state( 'message', 'linked' );
121 // Don't activate anything since we are just connecting a user.
122 return 'linked';
123 }
124
125 $redirect_on_activation_error = ( 'client' === $data['auth_type'] ) ? true : false;
126 if ( $active_modules = Jetpack_Options::get_option( 'active_modules' ) ) {
127 Jetpack::delete_active_modules();
128
129 Jetpack::activate_default_modules( 999, 1, $active_modules, $redirect_on_activation_error );
130 } else {
131 Jetpack::activate_default_modules( false, false, array(), $redirect_on_activation_error );
132 }
133
134 // Start nonce cleaner
135 wp_clear_scheduled_hook( 'jetpack_clean_nonces' );
136 wp_schedule_event( time(), 'hourly', 'jetpack_clean_nonces' );
137
138 Jetpack::state( 'message', 'authorized' );
139 return 'authorized';
140 }
141
142 public static function deactivate_plugin( $probable_file, $probable_title ) {
143 include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
144 if ( is_plugin_active( $probable_file ) ) {
145 deactivate_plugins( $probable_file );
146 return 1;
147 } else {
148 // If the plugin is not in the usual place, try looking through all active plugins.
149 $active_plugins = Jetpack::get_active_plugins();
150 foreach ( $active_plugins as $plugin ) {
151 $data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
152 if ( $data['Name'] == $probable_title ) {
153 deactivate_plugins( $plugin );
154 return 1;
155 }
156 }
157 }
158
159 return 0;
160 }
161
162 /**
163 * @return object|WP_Error
164 */
165 function get_token( $data ) {
166 $role = Jetpack::translate_current_user_to_role();
167
168 if ( ! $role ) {
169 return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) );
170 }
171
172 $client_secret = Jetpack_Data::get_access_token();
173 if ( ! $client_secret ) {
174 return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) );
175 }
176
177 $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
178 $redirect_uri = ( 'calypso' === $data['auth_type'] )
179 ? $data['redirect_uri']
180 : add_query_arg( array(
181 'action' => 'authorize',
182 '_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ),
183 'redirect' => $redirect ? urlencode( $redirect ) : false,
184 ), menu_page_url( 'jetpack', false ) );
185
186 $body = array(
187 'client_id' => Jetpack_Options::get_option( 'id' ),
188 'client_secret' => $client_secret->secret,
189 'grant_type' => 'authorization_code',
190 'code' => $data['code'],
191 'redirect_uri' => $redirect_uri,
192 );
193
194 $args = array(
195 'method' => 'POST',
196 'body' => $body,
197 'headers' => array(
198 'Accept' => 'application/json',
199 ),
200 );
201 $response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ) ), $args );
202
203 if ( is_wp_error( $response ) ) {
204 return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() );
205 }
206
207 $code = wp_remote_retrieve_response_code( $response );
208 $entity = wp_remote_retrieve_body( $response );
209
210 if ( $entity ) {
211 $json = json_decode( $entity );
212 } else {
213 $json = false;
214 }
215
216 if ( 200 != $code || ! empty( $json->error ) ) {
217 if ( empty( $json->error ) ) {
218 return new Jetpack_Error( 'unknown', '', $code );
219 }
220
221 $error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : '';
222
223 return new Jetpack_Error( (string) $json->error, $error_description, $code );
224 }
225
226 if ( empty( $json->access_token ) || ! is_scalar( $json->access_token ) ) {
227 return new Jetpack_Error( 'access_token', '', $code );
228 }
229
230 if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) {
231 return new Jetpack_Error( 'token_type', '', $code );
232 }
233
234 if ( empty( $json->scope ) ) {
235 return new Jetpack_Error( 'scope', 'No Scope', $code );
236 }
237
238 @list( $role, $hmac ) = explode( ':', $json->scope );
239 if ( empty( $role ) || empty( $hmac ) ) {
240 return new Jetpack_Error( 'scope', 'Malformed Scope', $code );
241 }
242
243 if ( Jetpack::sign_role( $role ) !== $json->scope ) {
244 return new Jetpack_Error( 'scope', 'Invalid Scope', $code );
245 }
246
247 if ( ! $cap = Jetpack::translate_role_to_cap( $role ) ) {
248 return new Jetpack_Error( 'scope', 'No Cap', $code );
249 }
250
251 if ( ! current_user_can( $cap ) ) {
252 return new Jetpack_Error( 'scope', 'current_user_cannot', $code );
253 }
254
255 /**
256 * Fires after user has successfully received an auth token.
257 *
258 * @since 3.9.0
259 */
260 do_action( 'jetpack_user_authorized' );
261
262 return (string) $json->access_token;
263 }
264
265 public function get_jetpack() {
266 return Jetpack::init();
267 }
268
269 public function check_admin_referer( $action ) {
270 return check_admin_referer( $action );
271 }
272
273 public function wp_safe_redirect( $redirect ) {
274 return wp_safe_redirect( $redirect );
275 }
276
277 public function do_exit() {
278 exit;
279 }
280 }
281