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Auth.php
514 lines
| 1 | <?php |
| 2 | |
| 3 | |
| 4 | namespace CheckEmail\Core; |
| 5 | // Exit if accessed directly |
| 6 | if( !defined( 'ABSPATH' ) ) |
| 7 | exit; |
| 8 | // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound |
| 9 | $check_email = wpchill_check_email(); |
| 10 | // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound |
| 11 | $plugin_path = plugin_dir_path($check_email->get_plugin_file()); |
| 12 | require_once $plugin_path . '/vendor/autoload.php'; |
| 13 | |
| 14 | use Exception; |
| 15 | use League\OAuth2\Client\Provider\Exception\IdentityProviderException; |
| 16 | use League\OAuth2\Client\Provider\GenericProvider; |
| 17 | use League\OAuth2\Client\Token\AccessToken; |
| 18 | use League\OAuth2\Client\Token\AccessTokenInterface; |
| 19 | |
| 20 | class Auth |
| 21 | { |
| 22 | |
| 23 | /** |
| 24 | * Scopes that we need to send emails. |
| 25 | * |
| 26 | * @since 1.5.0 |
| 27 | */ |
| 28 | const SCOPES = [ |
| 29 | 'https://graph.microsoft.com/mail.send', |
| 30 | 'https://graph.microsoft.com/mail.send.shared', |
| 31 | 'https://graph.microsoft.com/mail.readwrite', |
| 32 | 'https://graph.microsoft.com/user.read', |
| 33 | 'offline_access', |
| 34 | ]; |
| 35 | public $mailer = null; |
| 36 | public $options = []; |
| 37 | public $client = null; |
| 38 | |
| 39 | |
| 40 | public function __construct($mailer_type = null) |
| 41 | { |
| 42 | $this->mailer = $mailer_type; |
| 43 | $this->options = $this->get_mailer_option(); |
| 44 | $this->get_client(); |
| 45 | } |
| 46 | |
| 47 | |
| 48 | public function get_mailer_option() |
| 49 | { |
| 50 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 51 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 52 | return get_site_option('check-email-log-' . $this->mailer . '-options'); |
| 53 | } else { |
| 54 | return get_option('check-email-log-' . $this->mailer . '-options'); |
| 55 | } |
| 56 | } |
| 57 | public function update_mailer_option($options_to_update) |
| 58 | { |
| 59 | |
| 60 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 61 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 62 | $site_option = get_site_option('check-email-log-' . $this->mailer . '-options'); |
| 63 | $mailer_options = array_merge((array)$site_option, (array)$options_to_update); |
| 64 | update_site_option('check-email-log-' . $this->mailer . '-options', $mailer_options); |
| 65 | } else { |
| 66 | $site_option = empty(get_option('check-email-log-' . $this->mailer . '-options')) ? [] : get_option('check-email-log-' . $this->mailer . '-options'); |
| 67 | $mailer_options = array_merge((array)$site_option, (array)$options_to_update); |
| 68 | update_option('check-email-log-' . $this->mailer . '-options', $mailer_options); |
| 69 | } |
| 70 | $this->options = $this->get_mailer_option(); |
| 71 | } |
| 72 | public function get_client() { |
| 73 | |
| 74 | // Doesn't load client twice + gives ability to overwrite. |
| 75 | if (! empty($this->client)) { |
| 76 | return $this->client; |
| 77 | } |
| 78 | |
| 79 | $authorize_url = 'https://login.microsoftonline.com/common/oauth2/v2.0/authorize'; |
| 80 | |
| 81 | |
| 82 | $access_token_url = 'https://login.microsoftonline.com/common/oauth2/v2.0/token'; |
| 83 | |
| 84 | |
| 85 | $resource_owner_details_url = 'https://graph.microsoft.com/v1.0/me'; |
| 86 | if (! isset($this->options['client_id']) && ! isset($this->options['client_secret'])) { |
| 87 | return null; |
| 88 | } |
| 89 | |
| 90 | $this->client = new GenericProvider( |
| 91 | // $provider = new GenericProvider( |
| 92 | [ |
| 93 | 'clientId' => base64_decode($this->options['client_id']), |
| 94 | 'clientSecret' => base64_decode($this->options['client_secret']), |
| 95 | 'redirectUri' => self::get_plugin_auth_url(), |
| 96 | 'urlAuthorize' => $authorize_url, |
| 97 | 'urlAccessToken' => $access_token_url, |
| 98 | 'urlResourceOwnerDetails' => $resource_owner_details_url, |
| 99 | 'scopes' => 'openid profile User.Read Mail.Read Mail.Send', |
| 100 | ] |
| 101 | ); |
| 102 | |
| 103 | |
| 104 | // Do not process if we don't have both App ID & Password. |
| 105 | if (! $this->is_clients_saved()) { |
| 106 | return $this->client; |
| 107 | } |
| 108 | |
| 109 | if (! empty($this->options['access_token'])) { |
| 110 | $access_token = new AccessToken((array) $this->options['access_token']); |
| 111 | } |
| 112 | |
| 113 | // We don't have tokens but have auth code. |
| 114 | if ( |
| 115 | $this->is_auth_required() && |
| 116 | ! empty($this->options['auth_code']) |
| 117 | ) { |
| 118 | |
| 119 | // Try to get an access token using the authorization code grant. |
| 120 | $this->obtain_access_token(); |
| 121 | } else { // We have tokens. |
| 122 | |
| 123 | // Update the old token if needed. |
| 124 | if (! empty($access_token) && $access_token->hasExpired()) { |
| 125 | $this->refresh_access_token($access_token); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | return $this->client; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Try to get an access token using the authorization code grant. |
| 134 | * |
| 135 | * @since 3.4.0 |
| 136 | */ |
| 137 | public function obtain_access_token() { |
| 138 | |
| 139 | if (empty($this->options['auth_code'])) { |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | try { |
| 144 | $access_token = $this->client->getAccessToken( |
| 145 | 'authorization_code', |
| 146 | ['code' => $this->options['auth_code']] |
| 147 | ); |
| 148 | |
| 149 | $this->update_access_token($access_token->jsonSerialize()); |
| 150 | // $this->update_refresh_token( $access_token->getRefreshToken() ); |
| 151 | $this->update_user_details($access_token); |
| 152 | // $this->update_scopes( $this->get_scopes() ); |
| 153 | |
| 154 | // Reset Auth code. It's valid for 5 minutes anyway. |
| 155 | $this->update_auth_code(''); |
| 156 | |
| 157 | // Debug::clear(); |
| 158 | } catch (IdentityProviderException $e) { |
| 159 | $response = $e->getResponseBody(); |
| 160 | |
| 161 | // error_log(print_r($response, true)); |
| 162 | |
| 163 | |
| 164 | $this->update_auth_code(''); |
| 165 | } catch (Exception $e) { // Catch any other general exceptions just in case. |
| 166 | // error_log(print_r($e->getMessage(), true)); |
| 167 | $this->update_auth_code(''); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | private function refresh_access_token($access_token) |
| 172 | { |
| 173 | try { |
| 174 | $new_access_token = $this->client->getAccessToken( |
| 175 | 'refresh_token', |
| 176 | ['refresh_token' => $access_token->getRefreshToken()] |
| 177 | ); |
| 178 | |
| 179 | $this->update_access_token($new_access_token->jsonSerialize()); |
| 180 | $this->update_refresh_token($new_access_token->getRefreshToken()); |
| 181 | $this->update_user_details($new_access_token); |
| 182 | } catch (IdentityProviderException $e) { |
| 183 | $response = $e->getResponseBody(); |
| 184 | |
| 185 | |
| 186 | } catch (Exception $e) { // Catch any other general exception just in case. |
| 187 | |
| 188 | // $e->getMessage() |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | |
| 193 | public static function get_plugin_auth_url() |
| 194 | { |
| 195 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 196 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 197 | return network_admin_url(); |
| 198 | } else { |
| 199 | return admin_url(); |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | |
| 204 | public function process_auth($code) |
| 205 | { |
| 206 | |
| 207 | $this->update_auth_code($code); |
| 208 | |
| 209 | // Remove old errors. |
| 210 | Debug::clear(); |
| 211 | |
| 212 | // Retrieve the token and user details, save errors if any. |
| 213 | $this->get_client(); |
| 214 | } |
| 215 | |
| 216 | |
| 217 | public function get_auth_url() { |
| 218 | $client = $this->get_client(); |
| 219 | if ( |
| 220 | ! empty($client) && |
| 221 | class_exists('\League\OAuth2\Client\Provider\GenericProvider', false) && |
| 222 | $client instanceof GenericProvider |
| 223 | ) { |
| 224 | $url_options = [ |
| 225 | 'state' => $this->get_state(), |
| 226 | 'scope' => $this->get_scopes(), |
| 227 | ]; |
| 228 | |
| 229 | $auth_url = $client->getAuthorizationUrl($url_options); |
| 230 | |
| 231 | return $auth_url; |
| 232 | } |
| 233 | |
| 234 | return '#'; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Get auth scopes. |
| 239 | * |
| 240 | * @since 2.8.0 |
| 241 | * |
| 242 | * @return array |
| 243 | */ |
| 244 | protected function get_scopes() |
| 245 | { |
| 246 | |
| 247 | return self::SCOPES; |
| 248 | } |
| 249 | |
| 250 | |
| 251 | public function update_user_details($access_token) |
| 252 | { |
| 253 | $user = [ |
| 254 | 'display_name' => '', |
| 255 | 'email' => '', |
| 256 | ]; |
| 257 | |
| 258 | try { |
| 259 | $resource_owner = $this->get_client()->getResourceOwner($access_token); |
| 260 | $resource_data = $resource_owner->toArray(); |
| 261 | |
| 262 | $user = [ |
| 263 | 'display_name' => $resource_data['displayName'], |
| 264 | 'email' => $resource_data['userPrincipalName'], |
| 265 | ]; |
| 266 | } catch (IdentityProviderException $e) { |
| 267 | $response = $e->getResponseBody(); |
| 268 | |
| 269 | |
| 270 | // Reset Auth code. It's valid for 5 minutes anyway. |
| 271 | $this->update_auth_code( '' ); |
| 272 | } catch (Exception $e) { |
| 273 | return $e->getMessage(); |
| 274 | // Catch general any other exception just in case. |
| 275 | // Debug::set( |
| 276 | // 'Mailer: Outlook (requesting user details)' . WP::EOL . |
| 277 | // $e->getMessage() |
| 278 | // ); |
| 279 | } |
| 280 | |
| 281 | |
| 282 | $site_option['user_details'] = $user; |
| 283 | |
| 284 | $this->update_mailer_option($site_option); |
| 285 | } |
| 286 | |
| 287 | |
| 288 | protected function get_state() |
| 289 | { |
| 290 | return 'check-email-nonce_'.wp_create_nonce('ck_mail_outlook_check_nonce'); |
| 291 | } |
| 292 | |
| 293 | public function is_clients_saved() |
| 294 | { |
| 295 | return ! empty($this->options['client_id']) && ! empty($this->options['client_secret']); |
| 296 | } |
| 297 | |
| 298 | public function is_auth_required() |
| 299 | { |
| 300 | return empty($this->options['access_token']); |
| 301 | } |
| 302 | public function update_access_token($access_token) |
| 303 | { |
| 304 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 305 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 306 | $site_option = get_site_option('check-email-log-' . $this->mailer . '-options'); |
| 307 | $site_option['access_token'] = $access_token; |
| 308 | update_site_option('check-email-log-' . $this->mailer . '-options', $site_option); |
| 309 | } else { |
| 310 | $site_option = get_option('check-email-log-' . $this->mailer . '-options'); |
| 311 | $site_option['access_token'] = $access_token; |
| 312 | update_option('check-email-log-' . $this->mailer . '-options', $site_option); |
| 313 | } |
| 314 | $this->options = $this->get_mailer_option(); |
| 315 | } |
| 316 | |
| 317 | public function update_refresh_token($access_token) |
| 318 | { |
| 319 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 320 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 321 | $site_option = get_site_option('check-email-log-' . $this->mailer . '-options'); |
| 322 | $site_option['refresh_token'] = $access_token; |
| 323 | update_site_option('check-email-log-' . $this->mailer . '-options', $site_option); |
| 324 | } else { |
| 325 | $site_option = get_option('check-email-log-' . $this->mailer . '-options'); |
| 326 | $site_option['refresh_token'] = $access_token; |
| 327 | update_option('check-email-log-' . $this->mailer . '-options', $site_option); |
| 328 | } |
| 329 | $this->options = $this->get_mailer_option(); |
| 330 | } |
| 331 | |
| 332 | public function update_auth_code($code) { |
| 333 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 334 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 335 | $site_option = get_site_option('check-email-log-' . $this->mailer . '-options'); |
| 336 | $site_option['auth_code'] = $code; |
| 337 | update_site_option('check-email-log-' . $this->mailer . '-options', $site_option); |
| 338 | } else { |
| 339 | $site_option = get_option('check-email-log-' . $this->mailer . '-options'); |
| 340 | $site_option['auth_code'] = $code; |
| 341 | update_option('check-email-log-' . $this->mailer . '-options', $site_option); |
| 342 | } |
| 343 | $this->options = $this->get_mailer_option(); |
| 344 | |
| 345 | // We don't have tokens but have auth code. |
| 346 | if ($this->is_auth_required() && ! empty($this->options['auth_code'])) { |
| 347 | // Try to get an access token using the authorization code grant. |
| 348 | $this->obtain_access_token(); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | function sendEmailByMailer($from_email, $to_email, $subject, $body) { |
| 353 | |
| 354 | // Get the access token from options |
| 355 | $access_token_array = $this->options['access_token']; |
| 356 | $access_token = $access_token_array['access_token']; |
| 357 | |
| 358 | // Graph API URL for sending mail |
| 359 | $url = "https://graph.microsoft.com/v1.0/me/sendMail"; |
| 360 | |
| 361 | // Email message structure |
| 362 | $message = [ |
| 363 | "message" => [ |
| 364 | "subject" => $subject, |
| 365 | "body" => [ |
| 366 | "contentType" => "HTML", |
| 367 | "content" => $body, |
| 368 | ], |
| 369 | "toRecipients" => [ |
| 370 | [ |
| 371 | "emailAddress" => [ |
| 372 | "address" => $to_email, |
| 373 | ], |
| 374 | ], |
| 375 | ], |
| 376 | ], |
| 377 | "saveToSentItems" => "true", // Save a copy to Sent Items folder |
| 378 | ]; |
| 379 | |
| 380 | // Request arguments |
| 381 | $args = [ |
| 382 | 'headers' => [ |
| 383 | "Authorization" => "Bearer $access_token", // Authorization header |
| 384 | 'Content-Type' => 'application/json', // JSON content type |
| 385 | ], |
| 386 | 'body' => wp_json_encode($message), // JSON encode the message |
| 387 | 'timeout' => 45, // Optional timeout, increase if necessary |
| 388 | 'sslverify' => true, // Verify SSL (set to false only if you're sure) |
| 389 | ]; |
| 390 | |
| 391 | // Make the API request using wp_remote_post |
| 392 | $response = wp_remote_post($url, $args); |
| 393 | |
| 394 | // Check for errors in the response |
| 395 | if (is_wp_error($response)) { |
| 396 | return [ |
| 397 | 'error' => 1, |
| 398 | 'message' => $response->get_error_message(), // Return the error message |
| 399 | ]; |
| 400 | } |
| 401 | |
| 402 | // Optional: Check the email log and forward if necessary |
| 403 | $setting_options = get_option('check-email-log-core'); |
| 404 | if (isset($setting_options['forward_email']) && !empty($setting_options['forward_email'])) { |
| 405 | $this->forward_email_by_mailer($to_email, $subject, $body); |
| 406 | } |
| 407 | |
| 408 | // If everything is fine, return success |
| 409 | return [ |
| 410 | 'error' => 0, |
| 411 | 'message' => "", // Empty message means no errors |
| 412 | ]; |
| 413 | } |
| 414 | |
| 415 | |
| 416 | function forward_email_by_mailer($to_email, $subject, $body) { |
| 417 | // Get the access token |
| 418 | $access_token_array = $this->options['access_token']; |
| 419 | $access_token = $access_token_array['access_token']; |
| 420 | |
| 421 | |
| 422 | // Graph API URL |
| 423 | $url = "https://graph.microsoft.com/v1.0/me/sendMail"; |
| 424 | $toRecipients = []; |
| 425 | $ccRecipients = []; |
| 426 | $bccRecipients = []; |
| 427 | if (isset($setting_options['forward_email']) && !empty($setting_options['forward_email'])) { |
| 428 | if (isset($setting_options['forward_to']) && !empty($setting_options['forward_to'])) { |
| 429 | $to_email = explode(',', $setting_options['forward_to']); |
| 430 | |
| 431 | |
| 432 | foreach ((array) $to_email as $email) { |
| 433 | $toRecipients[] = [ |
| 434 | "emailAddress" => [ |
| 435 | "address" => $email, |
| 436 | ], |
| 437 | ]; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | |
| 442 | if (isset($setting_options['forward_cc']) && !empty($setting_options['forward_cc'])) { |
| 443 | $copy_to = explode(',', $setting_options['forward_cc']); |
| 444 | foreach ((array) $copy_to as $email) { |
| 445 | $ccRecipients[] = [ |
| 446 | "emailAddress" => [ |
| 447 | "address" => $email, |
| 448 | ], |
| 449 | ]; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | if (isset($setting_options['forward_bcc']) && !empty($setting_options['forward_bcc'])) { |
| 454 | $bcc_to = explode(',', $setting_options['forward_bcc']); |
| 455 | foreach ((array) $bcc_to as $email) { |
| 456 | $bccRecipients[] = [ |
| 457 | "emailAddress" => [ |
| 458 | "address" => $email, |
| 459 | ], |
| 460 | ]; |
| 461 | } |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | $message = [ |
| 466 | "message" => [ |
| 467 | "subject" => $subject, |
| 468 | "body" => [ |
| 469 | "contentType" => "HTML", |
| 470 | "content" => $body, |
| 471 | ], |
| 472 | "toRecipients" => $toRecipients, |
| 473 | "ccRecipients" => $ccRecipients, |
| 474 | "bccRecipients" => $bccRecipients, |
| 475 | ], |
| 476 | "saveToSentItems" => "true", |
| 477 | ]; |
| 478 | |
| 479 | // Arguments for the request |
| 480 | $args = [ |
| 481 | 'headers' => [ |
| 482 | "Authorization" => "Bearer $access_token", |
| 483 | 'Content-Type' => 'application/json', |
| 484 | ], |
| 485 | 'body' => wp_json_encode($message), |
| 486 | ]; |
| 487 | |
| 488 | $response = wp_remote_post($url, $args); |
| 489 | |
| 490 | // Check for errors |
| 491 | if (is_wp_error($response)) { |
| 492 | return [ |
| 493 | 'error' => 1, |
| 494 | 'message' => $response->get_error_message(), |
| 495 | ]; |
| 496 | } |
| 497 | |
| 498 | return [ |
| 499 | 'error' => 0, |
| 500 | 'message' => "", |
| 501 | ]; |
| 502 | } |
| 503 | |
| 504 | public function delete_outlook_options() { |
| 505 | $smtp_options = get_site_option('check-email-log-global-smtp'); |
| 506 | if (isset($smtp_options['enable_global']) && ! empty($smtp_options['enable_global']) && is_multisite()) { |
| 507 | delete_site_option('check-email-log-' . $this->mailer . '-options'); |
| 508 | } else { |
| 509 | delete_option('check-email-log-' . $this->mailer . '-options'); |
| 510 | } |
| 511 | $this->options = $this->get_mailer_option(); |
| 512 | } |
| 513 | } |
| 514 |