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Jetpack – WP Security, Backup, Speed, & Growth / 7.5.1
Jetpack – WP Security, Backup, Speed, & Growth v7.5.1
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jetpack / class.jetpack-client-server.php

class.jetpack-client-server.php in Jetpack – WP Security, Backup, Speed, & Growth 7.5.1, at class.jetpack-client-server.php

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