summaryrefslogtreecommitdiff
blob: 96e158e921915e144fc1efdd919d2840f783e53d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
<?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'] ) : '';

		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 ) ) {
			wp_safe_redirect( $redirect );
		} else {
			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'] ) : '';

		$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();;

			$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 ) {
			Jetpack::state( 'message', 'linked' );
			// 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, false );
		} else {
			Jetpack::activate_default_modules( false, false, array(), $redirect_on_activation_error, false );
		}

		// If redirect_uri is SSO, ensure SSO module is enabled
		parse_str( parse_url( $data['redirect_uri'], PHP_URL_QUERY ), $redirect_options );
		/** This filter is documented in class.jetpack-cli.php */
		if ( isset( $redirect_options['action'] ) && 'jetpack-sso' === $redirect_options['action'] && apply_filters( 'jetpack_start_enable_sso', true ) ) {
			Jetpack::activate_module( 'sso', false, false );
		}

		// Since this is a fresh connection, be sure to clear out IDC options
		Jetpack_IDC::clear_all_idc_options();

		// Start nonce cleaner
		wp_clear_scheduled_hook( 'jetpack_clean_nonces' );
		wp_schedule_event( time(), 'hourly', 'jetpack_clean_nonces' );

		Jetpack::state( 'message', 'authorized' );
		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 );
		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 do_exit() {
		exit;
	}
}