| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Client = Plugin |
| 5 |
* Client Server = API Methods the Plugin must respond to |
| 6 |
* |
| 7 |
* @todo Roll this into Jetpack? There's only one 'public' method now: ::authorize(). |
| 8 |
*/ |
| 9 |
class Jetpack_Client_Server { |
| 10 |
function authorize() { |
| 11 |
$data = stripslashes_deep( $_GET ); |
| 12 |
|
| 13 |
$args = array(); |
| 14 |
|
| 15 |
$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : ''; |
| 16 |
|
| 17 |
do { |
| 18 |
$jetpack = Jetpack::init(); |
| 19 |
$role = $jetpack->translate_current_user_to_role(); |
| 20 |
if ( !$role ) { |
| 21 |
Jetpack::state( 'error', 'no_role' ); |
| 22 |
break; |
| 23 |
} |
| 24 |
|
| 25 |
$cap = $jetpack->translate_role_to_cap( $role ); |
| 26 |
if ( !$cap ) { |
| 27 |
Jetpack::state( 'error', 'no_cap' ); |
| 28 |
break; |
| 29 |
} |
| 30 |
|
| 31 |
check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" ); |
| 32 |
|
| 33 |
if ( !empty( $data['error'] ) ) { |
| 34 |
Jetpack::state( 'error', $data['error'] ); |
| 35 |
break; |
| 36 |
} |
| 37 |
|
| 38 |
if ( empty( $data['state'] ) ) { |
| 39 |
Jetpack::state( 'error', 'no_state' ); |
| 40 |
break; |
| 41 |
} |
| 42 |
|
| 43 |
if ( !ctype_digit( $data['state'] ) ) { |
| 44 |
Jetpack::state( 'error', 'invalid_state' ); |
| 45 |
break; |
| 46 |
} |
| 47 |
|
| 48 |
$current_user_id = get_current_user_id(); |
| 49 |
if ( $current_user_id != $data['state'] ) { |
| 50 |
Jetpack::state( 'error', 'wrong_state' ); |
| 51 |
break; |
| 52 |
} |
| 53 |
|
| 54 |
if ( empty( $data['code'] ) ) { |
| 55 |
Jetpack::state( 'error', 'no_code' ); |
| 56 |
break; |
| 57 |
} |
| 58 |
|
| 59 |
$token = $this->get_token( $data ); |
| 60 |
|
| 61 |
if ( is_wp_error( $token ) ) { |
| 62 |
if ( $error = $token->get_error_code() ) |
| 63 |
Jetpack::state( 'error', $error ); |
| 64 |
else |
| 65 |
Jetpack::state( 'error', 'invalid_token' ); |
| 66 |
|
| 67 |
Jetpack::state( 'error_description', $token->get_error_message() ); |
| 68 |
|
| 69 |
break; |
| 70 |
} |
| 71 |
|
| 72 |
if ( !$token ) { |
| 73 |
Jetpack::state( 'error', 'no_token' ); |
| 74 |
break; |
| 75 |
} |
| 76 |
|
| 77 |
$is_master_user = ! Jetpack::is_active(); |
| 78 |
|
| 79 |
Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user ); |
| 80 |
|
| 81 |
|
| 82 |
if ( $is_master_user ) { |
| 83 |
Jetpack::state( 'message', 'authorized' ); |
| 84 |
} else { |
| 85 |
Jetpack::state( 'message', 'linked' ); |
| 86 |
// Don't activate anything since we are just connecting a user. |
| 87 |
break; |
| 88 |
} |
| 89 |
|
| 90 |
if ( $active_modules = Jetpack::get_option( 'active_modules' ) ) { |
| 91 |
Jetpack::delete_option( 'active_modules' ); |
| 92 |
|
| 93 |
Jetpack::activate_default_modules( 999, 1, $active_modules ); |
| 94 |
} else { |
| 95 |
Jetpack::activate_default_modules(); |
| 96 |
} |
| 97 |
|
| 98 |
$jetpack->sync->register( 'noop' ); // Spawn a sync to make sure the Jetpack Servers know what modules are active. |
| 99 |
|
| 100 |
// Start nonce cleaner |
| 101 |
wp_clear_scheduled_hook( 'jetpack_clean_nonces' ); |
| 102 |
wp_schedule_event( time(), 'hourly', 'jetpack_clean_nonces' ); |
| 103 |
} while ( false ); |
| 104 |
|
| 105 |
if ( wp_validate_redirect( $redirect ) ) { |
| 106 |
wp_safe_redirect( $redirect ); |
| 107 |
} else { |
| 108 |
wp_safe_redirect( Jetpack::admin_url() ); |
| 109 |
} |
| 110 |
|
| 111 |
exit; |
| 112 |
} |
| 113 |
|
| 114 |
public static function deactivate_plugin( $probable_file, $probable_title ) { |
| 115 |
if ( is_plugin_active( $probable_file ) ) { |
| 116 |
deactivate_plugins( $probable_file ); |
| 117 |
return 1; |
| 118 |
} else { |
| 119 |
// If the plugin is not in the usual place, try looking through all active plugins. |
| 120 |
$active_plugins = get_option( 'active_plugins', array() ); |
| 121 |
foreach ( $active_plugins as $plugin ) { |
| 122 |
$data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ); |
| 123 |
if ( $data['Name'] == $probable_title ) { |
| 124 |
deactivate_plugins( $plugin ); |
| 125 |
return 1; |
| 126 |
} |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
return 0; |
| 131 |
} |
| 132 |
|
| 133 |
/** |
| 134 |
* @return object|WP_Error |
| 135 |
*/ |
| 136 |
function get_token( $data ) { |
| 137 |
$jetpack = Jetpack::init(); |
| 138 |
$role = $jetpack->translate_current_user_to_role(); |
| 139 |
|
| 140 |
if ( !$role ) { |
| 141 |
return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) ); |
| 142 |
} |
| 143 |
|
| 144 |
$client_secret = Jetpack_Data::get_access_token(); |
| 145 |
if ( !$client_secret ) { |
| 146 |
return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) ); |
| 147 |
} |
| 148 |
|
| 149 |
$redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : ''; |
| 150 |
|
| 151 |
$body = array( |
| 152 |
'client_id' => Jetpack::get_option( 'id' ), |
| 153 |
'client_secret' => $client_secret->secret, |
| 154 |
'grant_type' => 'authorization_code', |
| 155 |
'code' => $data['code'], |
| 156 |
'redirect_uri' => add_query_arg( array( |
| 157 |
'action' => 'authorize', |
| 158 |
'_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ), |
| 159 |
'redirect' => $redirect ? urlencode( $redirect ) : false, |
| 160 |
), menu_page_url( 'jetpack', false ) ), |
| 161 |
); |
| 162 |
|
| 163 |
$args = array( |
| 164 |
'method' => 'POST', |
| 165 |
'body' => $body, |
| 166 |
'headers' => array( |
| 167 |
'Accept' => 'application/json', |
| 168 |
), |
| 169 |
); |
| 170 |
$response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ), $args ), $args ); |
| 171 |
|
| 172 |
if ( is_wp_error( $response ) ) { |
| 173 |
return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() ); |
| 174 |
} |
| 175 |
|
| 176 |
$code = wp_remote_retrieve_response_code( $response ); |
| 177 |
$entity = wp_remote_retrieve_body( $response ); |
| 178 |
|
| 179 |
if ( $entity ) |
| 180 |
$json = json_decode( $entity ); |
| 181 |
else |
| 182 |
$json = false; |
| 183 |
|
| 184 |
if ( 200 != $code || !empty( $json->error ) ) { |
| 185 |
if ( empty( $json->error ) ) |
| 186 |
return new Jetpack_Error( 'unknown', '', $code ); |
| 187 |
|
| 188 |
$error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : ''; |
| 189 |
|
| 190 |
return new Jetpack_Error( (string) $json->error, $error_description, $code ); |
| 191 |
} |
| 192 |
|
| 193 |
if ( empty( $json->access_token ) || !is_scalar( $json->access_token ) ) { |
| 194 |
return new Jetpack_Error( 'access_token', '', $code ); |
| 195 |
} |
| 196 |
|
| 197 |
if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) { |
| 198 |
return new Jetpack_Error( 'token_type', '', $code ); |
| 199 |
} |
| 200 |
|
| 201 |
if ( empty( $json->scope ) ) { |
| 202 |
return new Jetpack_Error( 'scope', 'No Scope', $code ); |
| 203 |
} |
| 204 |
@list( $role, $hmac ) = explode( ':', $json->scope ); |
| 205 |
if ( empty( $role ) || empty( $hmac ) ) { |
| 206 |
return new Jetpack_Error( 'scope', 'Malformed Scope', $code ); |
| 207 |
} |
| 208 |
if ( $jetpack->sign_role( $role ) !== $json->scope ) { |
| 209 |
return new Jetpack_Error( 'scope', 'Invalid Scope', $code ); |
| 210 |
} |
| 211 |
|
| 212 |
if ( !$cap = $jetpack->translate_role_to_cap( $role ) ) |
| 213 |
return new Jetpack_Error( 'scope', 'No Cap', $code ); |
| 214 |
if ( !current_user_can( $cap ) ) |
| 215 |
return new Jetpack_Error( 'scope', 'current_user_cannot', $code ); |
| 216 |
|
| 217 |
return (string) $json->access_token; |
| 218 |
} |
| 219 |
} |
| 220 |
|
