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Jetpack – WP Security, Backup, Speed, & Growth v7.7
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jetpack / class.jetpack-client-server.php

class.jetpack-client-server.php in Jetpack – WP Security, Backup, Speed, & Growth 7.7, at class.jetpack-client-server.php

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1 <?php
2
3 use Automattic\Jetpack\Connection\Client;
4 use Automattic\Jetpack\Roles;
5 use Automattic\Jetpack\Tracking;
6
7 /**
8 * Client = Plugin
9 * Client Server = API Methods the Plugin must respond to
10 */
11 class Jetpack_Client_Server {
12
13 /**
14 * Authorizations
15 */
16 function client_authorize() {
17 $data = stripslashes_deep( $_GET );
18 $data['auth_type'] = 'client';
19 $roles = new Roles();
20 $role = $roles->translate_current_user_to_role();
21 $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
22
23 check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" );
24
25 $tracking = new Tracking();
26 $result = $this->authorize( $data );
27 if ( is_wp_error( $result ) ) {
28 Jetpack::state( 'error', $result->get_error_code() );
29
30 $tracking->record_user_event( 'jpc_client_authorize_fail', array(
31 'error_code' => $result->get_error_code(),
32 'error_message' => $result->get_error_message()
33 ) );
34 } else {
35 /**
36 * Fires after the Jetpack client is authorized to communicate with WordPress.com.
37 *
38 * @since 4.2.0
39 *
40 * @param int Jetpack Blog ID.
41 */
42 do_action( 'jetpack_client_authorized', Jetpack_Options::get_option( 'id' ) );
43 }
44
45 if ( wp_validate_redirect( $redirect ) ) {
46 // Exit happens below in $this->do_exit()
47 wp_safe_redirect( $redirect );
48 } else {
49 // Exit happens below in $this->do_exit()
50 wp_safe_redirect( Jetpack::admin_url() );
51 }
52
53 $tracking->record_user_event( 'jpc_client_authorize_success' );
54
55 $this->do_exit();
56 }
57
58 function authorize( $data = array() ) {
59 $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
60
61 $jetpack_unique_connection = Jetpack_Options::get_option( 'unique_connection' );
62 // Checking if site has been active/connected previously before recording unique connection
63 if ( ! $jetpack_unique_connection ) {
64 // jetpack_unique_connection option has never been set
65 $jetpack_unique_connection = array(
66 'connected' => 0,
67 'disconnected' => 0,
68 'version' => '3.6.1',
69 );
70
71 update_option( 'jetpack_unique_connection', $jetpack_unique_connection );
72
73 //track unique connection
74 $jetpack = $this->get_jetpack();
75
76 $jetpack->stat( 'connections', 'unique-connection' );
77 $jetpack->do_stats( 'server_side' );
78 }
79
80 // increment number of times connected
81 $jetpack_unique_connection['connected'] += 1;
82 Jetpack_Options::update_option( 'unique_connection', $jetpack_unique_connection );
83
84 $roles = new Roles();
85 $role = $roles->translate_current_user_to_role();
86
87 if ( ! $role ) {
88 return new Jetpack_Error( 'no_role', 'Invalid request.', 400 );
89 }
90
91 $cap = $roles->translate_role_to_cap( $role );
92 if ( ! $cap ) {
93 return new Jetpack_Error( 'no_cap', 'Invalid request.', 400 );
94 }
95
96 if ( ! empty( $data['error'] ) ) {
97 return new Jetpack_Error( $data['error'], 'Error included in the request.', 400 );
98 }
99
100 if ( ! isset( $data['state'] ) ) {
101 return new Jetpack_Error( 'no_state', 'Request must include state.', 400 );
102 }
103
104 if ( ! ctype_digit( $data['state'] ) ) {
105 return new Jetpack_Error( $data['error'], 'State must be an integer.', 400 );
106 }
107
108 $current_user_id = get_current_user_id();
109 if ( $current_user_id != $data['state'] ) {
110 return new Jetpack_Error( 'wrong_state', 'State does not match current user.', 400 );
111 }
112
113 if ( empty( $data['code'] ) ) {
114 return new Jetpack_Error( 'no_code', 'Request must include an authorization code.', 400 );
115 }
116
117 $token = $this->get_token( $data );
118
119 if ( is_wp_error( $token ) ) {
120 $code = $token->get_error_code();
121 if ( empty( $code ) ) {
122 $code = 'invalid_token';
123 }
124 return new Jetpack_Error( $code, $token->get_error_message(), 400 );
125 }
126
127 if ( ! $token ) {
128 return new Jetpack_Error( 'no_token', 'Error generating token.', 400 );
129 }
130
131 $is_master_user = ! Jetpack::is_active();
132
133 Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user );
134
135 if ( ! $is_master_user ) {
136 Jetpack::state( 'message', 'linked' );
137 // Don't activate anything since we are just connecting a user.
138 return 'linked';
139 }
140
141 // If this site has been through the Jetpack Onboarding flow, delete the onboarding token
142 Jetpack::invalidate_onboarding_token();
143
144 // If redirect_uri is SSO, ensure SSO module is enabled
145 parse_str( parse_url( $data['redirect_uri'], PHP_URL_QUERY ), $redirect_options );
146
147 /** This filter is documented in class.jetpack-cli.php */
148 $jetpack_start_enable_sso = apply_filters( 'jetpack_start_enable_sso', true );
149
150 $activate_sso = (
151 isset( $redirect_options['action'] ) &&
152 'jetpack-sso' === $redirect_options['action'] &&
153 $jetpack_start_enable_sso
154 );
155
156 $do_redirect_on_error = ( 'client' === $data['auth_type'] );
157
158 Jetpack::handle_post_authorization_actions( $activate_sso, $do_redirect_on_error );
159
160 return 'authorized';
161 }
162
163 public static function deactivate_plugin( $probable_file, $probable_title ) {
164 include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
165 if ( is_plugin_active( $probable_file ) ) {
166 deactivate_plugins( $probable_file );
167 return 1;
168 } else {
169 // If the plugin is not in the usual place, try looking through all active plugins.
170 $active_plugins = Jetpack::get_active_plugins();
171 foreach ( $active_plugins as $plugin ) {
172 $data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
173 if ( $data['Name'] == $probable_title ) {
174 deactivate_plugins( $plugin );
175 return 1;
176 }
177 }
178 }
179
180 return 0;
181 }
182
183 /**
184 * @return object|WP_Error
185 */
186 function get_token( $data ) {
187 $roles = new Roles();
188 $role = $roles->translate_current_user_to_role();
189
190 if ( ! $role ) {
191 return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) );
192 }
193
194 $client_secret = Jetpack_Data::get_access_token();
195 if ( ! $client_secret ) {
196 return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) );
197 }
198
199 $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : '';
200 $redirect_uri = ( 'calypso' === $data['auth_type'] )
201 ? $data['redirect_uri']
202 : add_query_arg( array(
203 'action' => 'authorize',
204 '_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ),
205 'redirect' => $redirect ? urlencode( $redirect ) : false,
206 ), menu_page_url( 'jetpack', false ) );
207
208 // inject identity for analytics
209 $tracks = new Automattic\Jetpack\Tracking();
210 $tracks_identity = $tracks->tracks_get_identity( get_current_user_id() );
211
212 $body = array(
213 'client_id' => Jetpack_Options::get_option( 'id' ),
214 'client_secret' => $client_secret->secret,
215 'grant_type' => 'authorization_code',
216 'code' => $data['code'],
217 'redirect_uri' => $redirect_uri,
218 '_ui' => $tracks_identity['_ui'],
219 '_ut' => $tracks_identity['_ut'],
220 );
221
222 $args = array(
223 'method' => 'POST',
224 'body' => $body,
225 'headers' => array(
226 'Accept' => 'application/json',
227 ),
228 );
229 $response = Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::connection()->api_url( 'token' ) ), $args );
230
231 if ( is_wp_error( $response ) ) {
232 return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() );
233 }
234
235 $code = wp_remote_retrieve_response_code( $response );
236 $entity = wp_remote_retrieve_body( $response );
237
238 if ( $entity ) {
239 $json = json_decode( $entity );
240 } else {
241 $json = false;
242 }
243
244 if ( 200 != $code || ! empty( $json->error ) ) {
245 if ( empty( $json->error ) ) {
246 return new Jetpack_Error( 'unknown', '', $code );
247 }
248
249 $error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : '';
250
251 return new Jetpack_Error( (string) $json->error, $error_description, $code );
252 }
253
254 if ( empty( $json->access_token ) || ! is_scalar( $json->access_token ) ) {
255 return new Jetpack_Error( 'access_token', '', $code );
256 }
257
258 if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) {
259 return new Jetpack_Error( 'token_type', '', $code );
260 }
261
262 if ( empty( $json->scope ) ) {
263 return new Jetpack_Error( 'scope', 'No Scope', $code );
264 }
265
266 @list( $role, $hmac ) = explode( ':', $json->scope );
267 if ( empty( $role ) || empty( $hmac ) ) {
268 return new Jetpack_Error( 'scope', 'Malformed Scope', $code );
269 }
270
271 if ( Jetpack::connection()->sign_role( $role ) !== $json->scope ) {
272 return new Jetpack_Error( 'scope', 'Invalid Scope', $code );
273 }
274
275 $cap = $roles->translate_role_to_cap( $role );
276 if ( ! $cap ) {
277 return new Jetpack_Error( 'scope', 'No Cap', $code );
278 }
279
280 if ( ! current_user_can( $cap ) ) {
281 return new Jetpack_Error( 'scope', 'current_user_cannot', $code );
282 }
283
284 /**
285 * Fires after user has successfully received an auth token.
286 *
287 * @since 3.9.0
288 */
289 do_action( 'jetpack_user_authorized' );
290
291 return (string) $json->access_token;
292 }
293
294 public function get_jetpack() {
295 return Jetpack::init();
296 }
297
298 public function do_exit() {
299 exit;
300 }
301 }
302