| 1 |
<?php |
| 2 |
namespace Gianism\Service; |
| 3 |
use Firebase\JWT\JWT; |
| 4 |
use Firebase\JWT\Key; |
| 5 |
|
| 6 |
/** |
| 7 |
* Line class |
| 8 |
* |
| 9 |
* @package gianism |
| 10 |
* @since 3.2.0 |
| 11 |
* |
| 12 |
* @property string $line_channel_id |
| 13 |
* @property string $line_channel_secret |
| 14 |
* @property bool $line_retrieve_email |
| 15 |
* @property string $line_add_friend_prompt |
| 16 |
*/ |
| 17 |
class Line extends NoMailService { |
| 18 |
|
| 19 |
public $url_prefix = 'line-auth'; |
| 20 |
|
| 21 |
public $verbose_service_name = 'LINE'; |
| 22 |
|
| 23 |
public $umeta_id = '_wpg_line_id'; |
| 24 |
|
| 25 |
public $umeta_profile_pic = '_wpg_line_pic'; |
| 26 |
|
| 27 |
protected $pseudo_domain = 'pseudo.line.me'; |
| 28 |
|
| 29 |
protected $option_keys = [ |
| 30 |
'line_enabled' => false, |
| 31 |
'line_channel_id' => '', |
| 32 |
'line_channel_secret' => '', |
| 33 |
'line_retrieve_email' => false, |
| 34 |
'line_add_friend_prompt' => '', |
| 35 |
]; |
| 36 |
|
| 37 |
|
| 38 |
/** |
| 39 |
* Constructor |
| 40 |
* |
| 41 |
* @param array $argument |
| 42 |
*/ |
| 43 |
protected function __construct( array $argument = [] ) { |
| 44 |
parent::__construct( $argument ); |
| 45 |
// Filter rewrite name |
| 46 |
add_filter( |
| 47 |
'gianism_filter_service_prefix', |
| 48 |
function ( $prefix ) { |
| 49 |
if ( 'line-auth' === $prefix ) { |
| 50 |
$prefix = 'line'; |
| 51 |
} |
| 52 |
return $prefix; |
| 53 |
} |
| 54 |
); |
| 55 |
} |
| 56 |
|
| 57 |
/** |
| 58 |
* Returns API endpoint |
| 59 |
* |
| 60 |
* @param string $action |
| 61 |
* |
| 62 |
* @return false|string |
| 63 |
* @throws \Exception |
| 64 |
*/ |
| 65 |
protected function get_api_url( $action ) { |
| 66 |
switch ( $action ) { |
| 67 |
case 'connect': |
| 68 |
case 'login': |
| 69 |
$auth_url = 'https://access.line.me/oauth2/v2.1/authorize'; |
| 70 |
if ( function_exists( 'random_int' ) ) { |
| 71 |
$state = sha1( random_bytes( 24 ) ); |
| 72 |
} else { |
| 73 |
$state = sha1( uniqid() ); |
| 74 |
} |
| 75 |
$this->session->write( 'line_state', $state ); |
| 76 |
$params = [ |
| 77 |
'response_type' => 'code', |
| 78 |
'client_id' => $this->line_channel_id, |
| 79 |
'redirect_uri' => home_url( "/{$this->url_prefix}/" ), |
| 80 |
'scope' => rawurlencode( 'profile openid email' ), |
| 81 |
'state' => $state, |
| 82 |
// 'prompt' => 'consent', // For Debug by displaying consent screen always. |
| 83 |
]; |
| 84 |
$prompt = $this->line_add_friend_prompt; |
| 85 |
if ( $prompt ) { |
| 86 |
$params['bot_prompt'] = $prompt; |
| 87 |
} |
| 88 |
/** |
| 89 |
* giansim_line_auth_params |
| 90 |
* |
| 91 |
* @param array $args Query parameters |
| 92 |
* @param string $context login or connect. |
| 93 |
*/ |
| 94 |
$args = apply_filters( 'gianism_line_auth_params', $params, $action ); |
| 95 |
return add_query_arg( $args, $auth_url ); |
| 96 |
default: |
| 97 |
return false; |
| 98 |
break; |
| 99 |
} |
| 100 |
} |
| 101 |
|
| 102 |
/** |
| 103 |
* Check if user has line account. |
| 104 |
* |
| 105 |
* @param int $user_id |
| 106 |
* |
| 107 |
* @return bool |
| 108 |
*/ |
| 109 |
public function is_connected( $user_id ) { |
| 110 |
return (bool) get_user_meta( $user_id, $this->umeta_id, true ); |
| 111 |
} |
| 112 |
|
| 113 |
|
| 114 |
/** |
| 115 |
* @param int $user_id |
| 116 |
* |
| 117 |
* @return void |
| 118 |
*/ |
| 119 |
public function disconnect( $user_id ) { |
| 120 |
delete_user_meta( $user_id, $this->umeta_id ); |
| 121 |
delete_user_meta( $user_id, $this->umeta_profile_pic ); |
| 122 |
} |
| 123 |
|
| 124 |
/** |
| 125 |
* Parse request. |
| 126 |
* |
| 127 |
* @return \stdClass |
| 128 |
* @throws \Exception |
| 129 |
*/ |
| 130 |
protected function validate_callback() { |
| 131 |
$code = $this->input->request( 'code' ); |
| 132 |
$state = $this->input->request( 'state' ); |
| 133 |
$saved = $this->session->get( 'line_state' ); |
| 134 |
$error = $this->input->request( 'error' ); |
| 135 |
$msg = $this->input->request( 'error_description' ); |
| 136 |
if ( $error || $msg ) { |
| 137 |
throw new \Exception( $msg, 500 ); |
| 138 |
} |
| 139 |
if ( $state !== $saved ) { |
| 140 |
throw new \Exception( __( 'Sorry, but wrong access. Please try again.', 'wpg-gianism' ), 500 ); |
| 141 |
} |
| 142 |
$data = [ |
| 143 |
'grant_type' => 'authorization_code', |
| 144 |
'code' => $code, |
| 145 |
'redirect_uri' => home_url( "/{$this->url_prefix}/" ), |
| 146 |
'client_id' => $this->line_channel_id, |
| 147 |
'client_secret' => $this->line_channel_secret, |
| 148 |
]; |
| 149 |
$result = wp_remote_post( |
| 150 |
'https://api.line.me/oauth2/v2.1/token', |
| 151 |
[ |
| 152 |
'body' => $data, |
| 153 |
] |
| 154 |
); |
| 155 |
if ( is_wp_error( $result ) ) { |
| 156 |
throw new \Exception( $result->get_error_message(), 500 ); |
| 157 |
} |
| 158 |
$json = json_decode( $result['body'] ); |
| 159 |
if ( ! $json || ! isset( $json->id_token ) ) { |
| 160 |
throw new \Exception( __( 'Sorry, but failed to parse request.', 'wp-gianism' ), 500 ); |
| 161 |
} |
| 162 |
JWT::$leeway = 5; |
| 163 |
$jwt = JWT::decode( $json->id_token, new Key( $this->line_channel_secret, 'HS256' ) ); |
| 164 |
$json->id_token = $jwt; |
| 165 |
return $json; |
| 166 |
} |
| 167 |
|
| 168 |
/** |
| 169 |
* Create pseudo email |
| 170 |
* |
| 171 |
* @param \stdClass$prefix |
| 172 |
* |
| 173 |
* @return string |
| 174 |
*/ |
| 175 |
protected function create_pseudo_email( $prefix ) { |
| 176 |
if ( isset( $prefix->email ) && $prefix->email ) { |
| 177 |
return $prefix->email; |
| 178 |
} else { |
| 179 |
return parent::create_pseudo_email( $prefix->sub ); // TODO: Change the autogenerated stub |
| 180 |
} |
| 181 |
} |
| 182 |
|
| 183 |
/** |
| 184 |
* |
| 185 |
* |
| 186 |
* @param string $context |
| 187 |
* |
| 188 |
* @return bool |
| 189 |
*/ |
| 190 |
public function need_confirmation( $context = 'login' ) { |
| 191 |
return (bool) $this->line_retrieve_email; |
| 192 |
} |
| 193 |
|
| 194 |
/** |
| 195 |
* Handle actions. |
| 196 |
* |
| 197 |
* @param string $action |
| 198 |
*/ |
| 199 |
public function handle_default( $action ) { |
| 200 |
$redirect_url = $this->session->get( 'redirect_to' ); |
| 201 |
switch ( $action ) { |
| 202 |
case 'login': |
| 203 |
try { |
| 204 |
$response = $this->validate_callback(); |
| 205 |
$id_token = $response->id_token; |
| 206 |
|
| 207 |
$line_id = $id_token->sub; |
| 208 |
$user_id = $this->get_meta_owner( $this->umeta_id, $line_id ); |
| 209 |
if ( ! $user_id ) { |
| 210 |
$this->test_user_can_register(); |
| 211 |
$email = $this->create_pseudo_email( $id_token ); |
| 212 |
if ( email_exists( $email ) ) { |
| 213 |
throw new \Exception( $this->duplicate_account_string() ); |
| 214 |
} |
| 215 |
$user_name = 'line-' . $line_id; |
| 216 |
/** |
| 217 |
* @see Facebook |
| 218 |
*/ |
| 219 |
$user_name = apply_filters( 'gianism_register_name', $user_name, $this->service, $response ); |
| 220 |
$user_id = wp_create_user( $user_name, wp_generate_password(), $email ); |
| 221 |
if ( is_wp_error( $user_id ) ) { |
| 222 |
throw new \Exception( $this->registration_error_string() ); |
| 223 |
} |
| 224 |
// Update user meta |
| 225 |
update_user_meta( $user_id, $this->umeta_id, $line_id ); |
| 226 |
if ( ! empty( $response->id_token->picture ) ) { |
| 227 |
update_user_meta( $user_id, $this->umeta_profile_pic, $response->id_token->picture ); |
| 228 |
} |
| 229 |
$profile_name = sanitize_text_field( $response->id_token->name ); |
| 230 |
update_user_meta( $user_id, 'nickname', $profile_name ); |
| 231 |
$this->db->update( |
| 232 |
$this->db->users, |
| 233 |
array( |
| 234 |
'display_name' => $profile_name, |
| 235 |
), |
| 236 |
array( |
| 237 |
'ID' => $user_id, |
| 238 |
), |
| 239 |
array( '%s' ), |
| 240 |
array( '%d' ) |
| 241 |
); |
| 242 |
$this->user_password_unknown( $user_id ); |
| 243 |
$this->hook_connect( $user_id, $response, true ); |
| 244 |
$this->welcome( $profile_name ); |
| 245 |
} |
| 246 |
// Make user logged in |
| 247 |
$this->set_auth_cookie( $user_id ); |
| 248 |
$redirect_url = $this->filter_redirect( $redirect_url, 'login' ); |
| 249 |
} catch ( \Exception $e ) { |
| 250 |
$this->auth_fail( $e->getMessage() ); |
| 251 |
$redirect_url = wp_login_url( $redirect_url, true ); |
| 252 |
$redirect_url = $this->filter_redirect( $redirect_url, 'login-failure' ); |
| 253 |
} |
| 254 |
wp_redirect( $redirect_url ); |
| 255 |
exit; |
| 256 |
break; |
| 257 |
case 'connect': |
| 258 |
try { |
| 259 |
$response = $this->validate_callback(); |
| 260 |
$line_id = $response->id_token->sub; |
| 261 |
if ( $this->get_meta_owner( $this->umeta_id, $line_id ) ) { |
| 262 |
throw new \Exception( $this->duplicate_account_string() ); |
| 263 |
} |
| 264 |
update_user_meta( get_current_user_id(), $this->umeta_id, $line_id ); |
| 265 |
// Fires hook |
| 266 |
$this->hook_connect( get_current_user_id(), $response ); |
| 267 |
// Save message |
| 268 |
$this->welcome( $response->id_token->name ); |
| 269 |
// Apply filter |
| 270 |
$redirect_url = $this->filter_redirect( $redirect_url, 'connect' ); |
| 271 |
} catch ( \Exception $e ) { |
| 272 |
$this->auth_fail( $e->getMessage() ); |
| 273 |
$redirect_url = $this->filter_redirect( $redirect_url, 'connect-failure' ); |
| 274 |
} |
| 275 |
// Connection finished. Let's redirect. |
| 276 |
if ( ! $redirect_url ) { |
| 277 |
$redirect_url = admin_url( 'profile.php' ); |
| 278 |
} |
| 279 |
wp_redirect( $redirect_url ); |
| 280 |
exit; |
| 281 |
break; |
| 282 |
default: |
| 283 |
/** |
| 284 |
* @see Facebook |
| 285 |
*/ |
| 286 |
do_action( |
| 287 |
'gianism_extra_action', |
| 288 |
$this->service_name, |
| 289 |
$action, |
| 290 |
[ |
| 291 |
'redirect_to' => $redirect_url, |
| 292 |
] |
| 293 |
); |
| 294 |
// translators: %1$s is URL, %2$s is a site name. |
| 295 |
$this->input->wp_die( sprintf( __( 'Sorry, but wrong access. Please go back to <a href="%1$s">%2$s</a>.', 'wp-gianism' ), esc_url( home_url( '/' ) ), get_bloginfo( 'name' ) ), 500, false ); |
| 296 |
break; |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
public function svg_path() { |
| 301 |
return 'line.png'; |
| 302 |
} |
| 303 |
} |
| 304 |
|