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Jetpack – WP Security, Backup, Speed, & Growth / 6.2.2
Jetpack – WP Security, Backup, Speed, & Growth v6.2.2
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jetpack / class.jetpack-client-server.php

class.jetpack-client-server.php in Jetpack – WP Security, Backup, Speed, & Growth 6.2.2, 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) $data['redirect'] ) : '';
17
18 check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" );
19
20 $result = $this->authorize( $data );
21 if ( is_wp_error( $result ) ) {
22 Jetpack::state( 'error', $result->get_error_code() );
23 JetpackTracking::record_user_event( 'jpc_client_authorize_fail', array(
24 'error_code' => $result->get_error_code(),
25 'error_message' => $result->get_error_message()
26 ) );
27 } else {
28 /**
29 * Fires after the Jetpack client is authorized to communicate with WordPress.com.
30 *
31 * @since 4.2.0
32 *
33 * @param int Jetpack Blog ID.
34 */
35 do_action( 'jetpack_client_authorized', Jetpack_Options::get_option( 'id' ) );
36 }
37
38 if ( wp_validate_redirect( $redirect ) ) {
39 // Exit happens below in $this->do_exit()
40 wp_safe_redirect( $redirect );
41 } else {
42 // Exit happens below in $this->do_exit()
43 wp_safe_redirect( Jetpack::admin_url() );
44 }
45
46 JetpackTracking::record_user_event( 'jpc_client_authorize_success' );
47
48 $this->do_exit();
49 }
50
51 function authorize( $data = array() ) {
52 $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
53
54 $jetpack_unique_connection = Jetpack_Options::get_option( 'unique_connection' );
55 // Checking if site has been active/connected previously before recording unique connection
56 if ( ! $jetpack_unique_connection ) {
57 // jetpack_unique_connection option has never been set
58 $jetpack_unique_connection = array(
59 'connected' => 0,
60 'disconnected' => 0,
61 'version' => '3.6.1',
62 );
63
64 update_option( 'jetpack_unique_connection', $jetpack_unique_connection );
65
66 //track unique connection
67 $jetpack = $this->get_jetpack();
68
69 $jetpack->stat( 'connections', 'unique-connection' );
70 $jetpack->do_stats( 'server_side' );
71 }
72
73 // increment number of times connected
74 $jetpack_unique_connection['connected'] += 1;
75 Jetpack_Options::update_option( 'unique_connection', $jetpack_unique_connection );
76
77 $role = Jetpack::translate_current_user_to_role();
78
79 if ( ! $role ) {
80 return new Jetpack_Error( 'no_role', 'Invalid request.', 400 );
81 }
82
83 $cap = Jetpack::translate_role_to_cap( $role );
84 if ( ! $cap ) {
85 return new Jetpack_Error( 'no_cap', 'Invalid request.', 400 );
86 }
87
88 if ( ! empty( $data['error'] ) ) {
89 return new Jetpack_Error( $data['error'], 'Error included in the request.', 400 );
90 }
91
92 if ( ! isset( $data['state'] ) ) {
93 return new Jetpack_Error( 'no_state', 'Request must include state.', 400 );
94 }
95
96 if ( ! ctype_digit( $data['state'] ) ) {
97 return new Jetpack_Error( $data['error'], 'State must be an integer.', 400 );
98 }
99
100 $current_user_id = get_current_user_id();
101 if ( $current_user_id != $data['state'] ) {
102 return new Jetpack_Error( 'wrong_state', 'State does not match current user.', 400 );
103 }
104
105 if ( empty( $data['code'] ) ) {
106 return new Jetpack_Error( 'no_code', 'Request must include an authorization code.', 400 );
107 }
108
109 $token = $this->get_token( $data );
110
111 if ( is_wp_error( $token ) ) {
112 $code = $token->get_error_code();
113 if ( empty( $code ) ) {
114 $code = 'invalid_token';
115 }
116 return new Jetpack_Error( $code, $token->get_error_message(), 400 );
117 }
118
119 if ( ! $token ) {
120 return new Jetpack_Error( 'no_token', 'Error generating token.', 400 );
121 }
122
123 $is_master_user = ! Jetpack::is_active();
124
125 Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user );
126
127 if ( ! $is_master_user ) {
128 Jetpack::state( 'message', 'linked' );
129 // Don't activate anything since we are just connecting a user.
130 return 'linked';
131 }
132
133 // If this site has been through the Jetpack Onboarding flow, delete the onboarding token
134 Jetpack::invalidate_onboarding_token();
135
136 // If redirect_uri is SSO, ensure SSO module is enabled
137 parse_str( parse_url( $data['redirect_uri'], PHP_URL_QUERY ), $redirect_options );
138
139 /** This filter is documented in class.jetpack-cli.php */
140 $jetpack_start_enable_sso = apply_filters( 'jetpack_start_enable_sso', true );
141
142 $activate_sso = (
143 isset( $redirect_options['action'] ) &&
144 'jetpack-sso' === $redirect_options['action'] &&
145 $jetpack_start_enable_sso
146 );
147
148 $do_redirect_on_error = ( 'client' === $data['auth_type'] );
149
150 Jetpack::handle_post_authorization_actions( $activate_sso, $do_redirect_on_error );
151
152 return 'authorized';
153 }
154
155 public static function deactivate_plugin( $probable_file, $probable_title ) {
156 include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
157 if ( is_plugin_active( $probable_file ) ) {
158 deactivate_plugins( $probable_file );
159 return 1;
160 } else {
161 // If the plugin is not in the usual place, try looking through all active plugins.
162 $active_plugins = Jetpack::get_active_plugins();
163 foreach ( $active_plugins as $plugin ) {
164 $data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
165 if ( $data['Name'] == $probable_title ) {
166 deactivate_plugins( $plugin );
167 return 1;
168 }
169 }
170 }
171
172 return 0;
173 }
174
175 /**
176 * @return object|WP_Error
177 */
178 function get_token( $data ) {
179 $role = Jetpack::translate_current_user_to_role();
180
181 if ( ! $role ) {
182 return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) );
183 }
184
185 $client_secret = Jetpack_Data::get_access_token();
186 if ( ! $client_secret ) {
187 return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) );
188 }
189
190 $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
191 $redirect_uri = ( 'calypso' === $data['auth_type'] )
192 ? $data['redirect_uri']
193 : add_query_arg( array(
194 'action' => 'authorize',
195 '_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ),
196 'redirect' => $redirect ? urlencode( $redirect ) : false,
197 ), menu_page_url( 'jetpack', false ) );
198
199 // inject identity for analytics
200 $tracks_identity = jetpack_tracks_get_identity( get_current_user_id() );
201
202 $body = array(
203 'client_id' => Jetpack_Options::get_option( 'id' ),
204 'client_secret' => $client_secret->secret,
205 'grant_type' => 'authorization_code',
206 'code' => $data['code'],
207 'redirect_uri' => $redirect_uri,
208 '_ui' => $tracks_identity['_ui'],
209 '_ut' => $tracks_identity['_ut'],
210 );
211
212 $args = array(
213 'method' => 'POST',
214 'body' => $body,
215 'headers' => array(
216 'Accept' => 'application/json',
217 ),
218 );
219 $response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ) ), $args );
220
221 if ( is_wp_error( $response ) ) {
222 return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() );
223 }
224
225 $code = wp_remote_retrieve_response_code( $response );
226 $entity = wp_remote_retrieve_body( $response );
227
228 if ( $entity ) {
229 $json = json_decode( $entity );
230 } else {
231 $json = false;
232 }
233
234 if ( 200 != $code || ! empty( $json->error ) ) {
235 if ( empty( $json->error ) ) {
236 return new Jetpack_Error( 'unknown', '', $code );
237 }
238
239 $error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : '';
240
241 return new Jetpack_Error( (string) $json->error, $error_description, $code );
242 }
243
244 if ( empty( $json->access_token ) || ! is_scalar( $json->access_token ) ) {
245 return new Jetpack_Error( 'access_token', '', $code );
246 }
247
248 if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) {
249 return new Jetpack_Error( 'token_type', '', $code );
250 }
251
252 if ( empty( $json->scope ) ) {
253 return new Jetpack_Error( 'scope', 'No Scope', $code );
254 }
255
256 @list( $role, $hmac ) = explode( ':', $json->scope );
257 if ( empty( $role ) || empty( $hmac ) ) {
258 return new Jetpack_Error( 'scope', 'Malformed Scope', $code );
259 }
260
261 if ( Jetpack::sign_role( $role ) !== $json->scope ) {
262 return new Jetpack_Error( 'scope', 'Invalid Scope', $code );
263 }
264
265 if ( ! $cap = Jetpack::translate_role_to_cap( $role ) ) {
266 return new Jetpack_Error( 'scope', 'No Cap', $code );
267 }
268
269 if ( ! current_user_can( $cap ) ) {
270 return new Jetpack_Error( 'scope', 'current_user_cannot', $code );
271 }
272
273 /**
274 * Fires after user has successfully received an auth token.
275 *
276 * @since 3.9.0
277 */
278 do_action( 'jetpack_user_authorized' );
279
280 return (string) $json->access_token;
281 }
282
283 public function get_jetpack() {
284 return Jetpack::init();
285 }
286
287 public function do_exit() {
288 exit;
289 }
290 }
291