Code_Manager.php
5 years ago
Code_Manager_Export.php
5 years ago
Code_Manager_Form.php
5 years ago
Code_Manager_Import.php
5 years ago
Code_Manager_Import_File.php
5 years ago
Code_Manager_List.php
5 years ago
Code_Manager_List_View.php
5 years ago
Code_Manager_Model.php
5 years ago
Code_Manager_Preview.php
5 years ago
Code_Manager_Settings.php
5 years ago
Code_Manager_Tabs.php
5 years ago
Message_Box.php
5 years ago
WP_List_Table.php
5 years ago
Code_Manager_Model.php
637 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Code_Manager { |
| 4 | |
| 5 | /** |
| 6 | * Class Code_Manager_Model |
| 7 | * |
| 8 | * Interface between code manager front-end and code manager database table. |
| 9 | * |
| 10 | * @author Peter Schulz |
| 11 | * @since 1.0.0 |
| 12 | */ |
| 13 | class Code_Manager_Model { |
| 14 | |
| 15 | /** |
| 16 | * Base table name without prefix |
| 17 | */ |
| 18 | const BASE_TABLE_NAME = 'code_manager'; |
| 19 | |
| 20 | /** |
| 21 | * Base table name with prefix |
| 22 | * |
| 23 | * @since 1.0.0 |
| 24 | * |
| 25 | * @return string Real base table name |
| 26 | */ |
| 27 | public static function get_base_table_name() { |
| 28 | global $wpdb; |
| 29 | return $wpdb->prefix . static::BASE_TABLE_NAME; |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Check if base table exists |
| 34 | * |
| 35 | * @since 1.0.0 |
| 36 | * |
| 37 | * @return bool TRUE = table found |
| 38 | */ |
| 39 | public static function table_exists() { |
| 40 | global $wpdb; |
| 41 | |
| 42 | $wpdb->query( |
| 43 | $wpdb->prepare( ' |
| 44 | select true |
| 45 | from `information_schema`.`tables` |
| 46 | where table_schema = %s |
| 47 | and table_name = %s |
| 48 | ', |
| 49 | [ |
| 50 | $wpdb->dbname, |
| 51 | self::get_base_table_name(), |
| 52 | ] |
| 53 | ) |
| 54 | ); |
| 55 | $wpdb->get_results(); |
| 56 | |
| 57 | return 1 === $wpdb->num_rows; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Get record from code manager table for given Code ID |
| 62 | * |
| 63 | * @since 1.0.0 |
| 64 | * |
| 65 | * @param integer $code_id Code ID |
| 66 | * |
| 67 | * @return array |
| 68 | */ |
| 69 | public static function dml_query( $code_id ) { |
| 70 | global $wpdb; |
| 71 | return $wpdb->get_results( |
| 72 | $wpdb->prepare( |
| 73 | 'select * from `' . self::get_base_table_name() . '` ' . |
| 74 | 'where code_id = %d', |
| 75 | [ |
| 76 | $code_id |
| 77 | ] |
| 78 | ), |
| 79 | 'ARRAY_A' |
| 80 | ); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Get record from code manager table for given code name |
| 85 | * |
| 86 | * @since 1.0.0 |
| 87 | * |
| 88 | * @param integer $code_name Code name |
| 89 | * |
| 90 | * @return array |
| 91 | */ |
| 92 | public static function dml_query_by_name( $code_name ) { |
| 93 | global $wpdb; |
| 94 | return $wpdb->get_results( |
| 95 | $wpdb->prepare( |
| 96 | 'select * from `' . self::get_base_table_name() . '` ' . |
| 97 | 'where code_name = %s', |
| 98 | [ |
| 99 | $code_name |
| 100 | ] |
| 101 | ), |
| 102 | 'ARRAY_A' |
| 103 | ); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Insert new row into code manager table |
| 108 | * |
| 109 | * @since 1.0.0 |
| 110 | * |
| 111 | * @param string $code_name Code name |
| 112 | * @param integer $code_type Code type |
| 113 | * @param string $code Code |
| 114 | * @param string $code_author Author |
| 115 | * @param string $code_description Description |
| 116 | * |
| 117 | * @return int Code ID if insert was successful or -1 if insert failed |
| 118 | */ |
| 119 | public static function dml_insert( $code_name, $code_type, $code, $code_author, $code_description ) { |
| 120 | global $wpdb; |
| 121 | $rows = $wpdb->insert( |
| 122 | self::get_base_table_name(), |
| 123 | [ |
| 124 | 'code_name' => $code_name, |
| 125 | 'code_type' => $code_type, |
| 126 | 'code' => $code, |
| 127 | 'code_author' => $code_author, |
| 128 | 'code_description' => $code_description, |
| 129 | ] |
| 130 | ); |
| 131 | return 1 === $rows ? $wpdb->insert_id : -1; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Update row in code manager table |
| 136 | * |
| 137 | * @since 1.0.0 |
| 138 | * |
| 139 | * @param integer $code_id Code ID |
| 140 | * @param string $code_name Code name |
| 141 | * @param string $code_type Code type |
| 142 | * @param string $code Code |
| 143 | * @param string $code_author Author |
| 144 | * @param string $code_description Description |
| 145 | * |
| 146 | * @return integer Number of rows updated |
| 147 | */ |
| 148 | public static function dml_update( $code_id, $code_name, $code_type, $code, $code_author, $code_description ) { |
| 149 | $code_row = self::dml_query( $code_id ); |
| 150 | $code_type_changed = false; |
| 151 | |
| 152 | if ( is_array( $code_row ) && 1 === sizeof( $code_row ) ) { |
| 153 | if ( ! isset( $code_row[0]['code_type'] ) ) { |
| 154 | return 0; |
| 155 | } else { |
| 156 | if ( $code_type !== $code_row[0]['code_type'] ) { |
| 157 | $code_type_changed = true; |
| 158 | } |
| 159 | } |
| 160 | } else { |
| 161 | return 0; |
| 162 | } |
| 163 | |
| 164 | $column_values = [ |
| 165 | 'code_name' => $code_name, |
| 166 | 'code_type' => $code_type, |
| 167 | 'code' => $code, |
| 168 | 'code_author' => $code_author, |
| 169 | 'code_description' => $code_description, |
| 170 | ]; |
| 171 | if ( $code_type_changed ) { |
| 172 | $column_values['code_enabled'] = 0; |
| 173 | } |
| 174 | |
| 175 | global $wpdb; |
| 176 | return $wpdb->update( |
| 177 | self::get_base_table_name(), |
| 178 | $column_values, |
| 179 | [ |
| 180 | 'code_id' => $code_id |
| 181 | ] |
| 182 | ); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Delete row from code manager table |
| 187 | * |
| 188 | * @since 1.0.0 |
| 189 | * |
| 190 | * @param integer $code_id Code ID |
| 191 | * |
| 192 | * @return integer Number of rows deleted |
| 193 | */ |
| 194 | public static function dml_delete( $code_id ) { |
| 195 | global $wpdb; |
| 196 | return $wpdb->query( |
| 197 | $wpdb->prepare( |
| 198 | 'delete from `' . self::get_base_table_name() . '` ' . |
| 199 | 'where code_id = %d', |
| 200 | [ |
| 201 | $code_id |
| 202 | ] |
| 203 | ) |
| 204 | ); |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Get shortcode for a given code id |
| 209 | * |
| 210 | * @since 1.0.0 |
| 211 | * |
| 212 | * @param integer $code_id Code ID |
| 213 | * |
| 214 | * @return string Code |
| 215 | */ |
| 216 | public static function get_code_from_id( $code_id ) { |
| 217 | if ( is_numeric( $code_id ) ) { |
| 218 | global $wpdb; |
| 219 | $query = 'select * from `' . self::get_base_table_name() . "` where code_id = %d"; |
| 220 | $code = |
| 221 | $wpdb->get_results( |
| 222 | $wpdb->prepare( |
| 223 | $query, |
| 224 | [ |
| 225 | $code_id |
| 226 | ] |
| 227 | ), |
| 228 | 'ARRAY_A' |
| 229 | ); |
| 230 | |
| 231 | if ( 1 === $wpdb->num_rows ) { |
| 232 | return $code[0]['code']; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | return ''; |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Get shortcode for a given code name |
| 241 | * |
| 242 | * @since 1.0.0 |
| 243 | * |
| 244 | * @param integer $code_id Code ID |
| 245 | * |
| 246 | * @return string Code |
| 247 | */ |
| 248 | protected static function get_code_from_name( $code_name ) { |
| 249 | if ( '' !== $code_name ) { |
| 250 | global $wpdb; |
| 251 | $query = 'select * from `' . self::get_base_table_name() . "` where code_name = %s"; |
| 252 | $code = |
| 253 | $wpdb->get_results( |
| 254 | $wpdb->prepare( |
| 255 | $query, |
| 256 | [ |
| 257 | $code_name |
| 258 | ] |
| 259 | ), |
| 260 | 'ARRAY_A' |
| 261 | ); |
| 262 | |
| 263 | if ( 1 === $wpdb->num_rows ) { |
| 264 | return $code[0]['code']; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | return ''; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Get codes for a given code type |
| 273 | * |
| 274 | * @since 1.0.0 |
| 275 | * |
| 276 | * @param string $code_type Code type |
| 277 | * |
| 278 | * @return array List of code |
| 279 | */ |
| 280 | public static function get_codes( $code_type ) { |
| 281 | global $wpdb; |
| 282 | $query = 'select * from `' . self::get_base_table_name() . '` ' . |
| 283 | "where code_type = '{$code_type}'"; // No prepare needed |
| 284 | return $wpdb->get_results( $query, 'ARRAY_A' ); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Get active codes (status = enabled) for a given code type |
| 289 | * |
| 290 | * @since 1.0.0 |
| 291 | * |
| 292 | * @param string $code_type Code type |
| 293 | * |
| 294 | * @return array List of code |
| 295 | */ |
| 296 | public static function get_active_codes( $code_type ) { |
| 297 | global $wpdb; |
| 298 | $query = 'select * from `' . self::get_base_table_name() . '` ' . |
| 299 | "where code_type = '{$code_type}' and code_enabled > 0"; // No prepare needed |
| 300 | return $wpdb->get_results( $query, 'ARRAY_A' ); |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * Update code from ajax request (insert when new: code_id = -1) |
| 305 | * |
| 306 | * @since 1.0.0 |
| 307 | */ |
| 308 | public static function update_code() { |
| 309 | self::header_no_cache(); |
| 310 | |
| 311 | if ( |
| 312 | isset( $_REQUEST['wpnonce'] ) || |
| 313 | isset( $_REQUEST['code_id'] ) || |
| 314 | isset( $_REQUEST['code_name'] ) || |
| 315 | isset( $_REQUEST['code_type'] ) || |
| 316 | isset( $_REQUEST['code'] ) |
| 317 | ) { |
| 318 | // All arguments available, start update process |
| 319 | $code_id = sanitize_text_field( wp_unslash( $_REQUEST['code_id'] ) ); // input var okay. |
| 320 | |
| 321 | // Check if actions is allowed |
| 322 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 323 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-update-code" ) ) { |
| 324 | echo 'ERR-Not authorized'; |
| 325 | wp_die(); |
| 326 | } |
| 327 | |
| 328 | $code_name = sanitize_text_field( wp_unslash( $_REQUEST['code_name'] ) ); // input var okay. |
| 329 | $code_type = sanitize_text_field( wp_unslash( $_REQUEST['code_type'] ) ); // input var okay. |
| 330 | $code = wp_unslash( $_REQUEST['code'] ); // input var okay. |
| 331 | |
| 332 | global $wpdb; |
| 333 | $wpdb->suppress_errors( true ); |
| 334 | |
| 335 | if ( '-1' == $code_id ) { |
| 336 | // Insert new code |
| 337 | $rows_inserted = $wpdb->insert( |
| 338 | self::get_base_table_name(), |
| 339 | [ |
| 340 | 'code_name' => $code_name, |
| 341 | 'code_type' => $code_type, |
| 342 | 'code' => $code |
| 343 | ] |
| 344 | ); |
| 345 | |
| 346 | echo 1 === $rows_inserted ? 'INS-' . $wpdb->insert_id : 'ERR-' . $wpdb->last_error; |
| 347 | } else { |
| 348 | // Update existing code |
| 349 | $code_row = self::dml_query( $code_id ); |
| 350 | $code_type_changed = false; |
| 351 | |
| 352 | if ( is_array( $code_row ) && 1 === sizeof( $code_row ) ) { |
| 353 | if ( ! isset( $code_row[0]['code_type'] ) ) { |
| 354 | echo 'UPD-0'; |
| 355 | wp_die(); |
| 356 | } else { |
| 357 | if ( $code_type !== $code_row[0]['code_type'] ) { |
| 358 | $code_type_changed = true; |
| 359 | } |
| 360 | } |
| 361 | } else { |
| 362 | echo 'UPD-0'; |
| 363 | wp_die(); |
| 364 | } |
| 365 | |
| 366 | $set_columns = 'set code_name = %s, code_type = %s, code = %s '; |
| 367 | if ( $code_type_changed ) { |
| 368 | $set_columns .= ', code_enabled = 0 '; |
| 369 | } |
| 370 | |
| 371 | $rows_updated = $wpdb->query( |
| 372 | $wpdb->prepare( |
| 373 | 'update ' . self::get_base_table_name() . ' ' . |
| 374 | $set_columns . |
| 375 | 'where code_id = %d', |
| 376 | [ |
| 377 | $code_name, |
| 378 | $code_type, |
| 379 | $code, |
| 380 | $code_id |
| 381 | ] |
| 382 | ) |
| 383 | ); |
| 384 | |
| 385 | echo '' === $wpdb->last_error ? "UPD-{$rows_updated}" : 'ERR-' . $wpdb->last_error; |
| 386 | } |
| 387 | } else { |
| 388 | echo 'ERR-Wrong arguments'; |
| 389 | } |
| 390 | |
| 391 | wp_die(); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Activate code preview from ajax request for a given code_id |
| 396 | * |
| 397 | * @since 1.0.0 |
| 398 | */ |
| 399 | public static function activate_code_preview() { |
| 400 | self::header_no_cache(); |
| 401 | |
| 402 | if ( is_user_logged_in() && isset( $_REQUEST['wpnonce'] ) && isset( $_REQUEST['code_id'] ) ) { |
| 403 | // Check if action is allowed |
| 404 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 405 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-activate-preview" ) ) { |
| 406 | echo 'ERR-Not authorized'; |
| 407 | wp_die(); |
| 408 | } |
| 409 | |
| 410 | $code_id = sanitize_text_field( wp_unslash( $_REQUEST['code_id'] ) ); // input var okay. |
| 411 | |
| 412 | Code_Manager_Preview::add_user_preview_code_id( $code_id ); |
| 413 | |
| 414 | echo 'OK'; |
| 415 | } else { |
| 416 | echo 'ERR-Wrong arguments'; |
| 417 | } |
| 418 | |
| 419 | wp_die(); |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Deactivate code preview from ajax request for a given code_id |
| 424 | * |
| 425 | * @since 1.0.0 |
| 426 | */ |
| 427 | public static function deactivate_code_preview() { |
| 428 | self::header_no_cache(); |
| 429 | |
| 430 | if ( is_user_logged_in() && isset( $_REQUEST['wpnonce'] ) && isset( $_REQUEST['code_id'] ) ) { |
| 431 | // Check if action is allowed |
| 432 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 433 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-activate-preview" ) ) { |
| 434 | echo 'ERR-Not authorized'; |
| 435 | wp_die(); |
| 436 | } |
| 437 | |
| 438 | $code_id = sanitize_text_field( wp_unslash( $_REQUEST['code_id'] ) ); // input var okay. |
| 439 | |
| 440 | Code_Manager_Preview::remove_user_preview_code_id( $code_id ); |
| 441 | |
| 442 | echo 'OK'; |
| 443 | } else { |
| 444 | echo 'ERR-Wrong arguments'; |
| 445 | } |
| 446 | |
| 447 | wp_die(); |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * Reset all previewed code IDs |
| 452 | * |
| 453 | * @since 1.0.0 |
| 454 | */ |
| 455 | public static function reset_preview() { |
| 456 | self::header_no_cache(); |
| 457 | |
| 458 | if ( is_user_logged_in() && isset( $_REQUEST['wpnonce'] ) ) { |
| 459 | // Check if action is allowed |
| 460 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 461 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-reset-preview" ) ) { |
| 462 | echo 'ERR-Not authorized'; |
| 463 | wp_die(); |
| 464 | } |
| 465 | |
| 466 | global $wpdb; |
| 467 | $wpdb->query( "delete from {$wpdb->prefix}usermeta where meta_key = 'code_manager_preview_code_ids'" ); |
| 468 | |
| 469 | echo 'OK'; |
| 470 | } else { |
| 471 | echo 'ERR-Wrong arguments'; |
| 472 | } |
| 473 | |
| 474 | wp_die(); |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * Activate code from ajax request for a given code_id |
| 479 | * |
| 480 | * @since 1.0.0 |
| 481 | */ |
| 482 | public static function activate_code() { |
| 483 | self::header_no_cache(); |
| 484 | |
| 485 | if ( |
| 486 | isset( $_REQUEST['wpnonce'] ) && |
| 487 | isset( $_REQUEST['code_id'] ) && |
| 488 | isset( $_REQUEST['code_item_value'] ) |
| 489 | ) { |
| 490 | $code_id = sanitize_text_field( wp_unslash( $_REQUEST['code_id'] ) ); // input var okay. |
| 491 | |
| 492 | // Check if action is allowed |
| 493 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 494 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-activate-code-{$code_id}" ) ) { |
| 495 | echo 'ERR-Not authorized'; |
| 496 | wp_die(); |
| 497 | } |
| 498 | |
| 499 | $code_item_value = sanitize_text_field( wp_unslash( $_REQUEST['code_item_value'] ) ); // input var okay. |
| 500 | $update_values = [ |
| 501 | 'code_enabled' => $code_item_value |
| 502 | ]; |
| 503 | |
| 504 | global $wpdb; |
| 505 | $wpdb->suppress_errors( true ); |
| 506 | $rows_update = $wpdb->update( |
| 507 | self::get_base_table_name(), |
| 508 | $update_values, |
| 509 | [ |
| 510 | 'code_id' => $code_id |
| 511 | ] |
| 512 | ); |
| 513 | |
| 514 | echo '' === $wpdb->last_error ? "UPD-{$rows_update}" : 'ERR-' . $wpdb->last_error; |
| 515 | } else { |
| 516 | echo 'ERR-Wrong arguments'; |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | /** |
| 521 | * Get a list with all available codes from ajax request |
| 522 | * |
| 523 | * @since 1.0.0 |
| 524 | */ |
| 525 | public static function get_code_list() { |
| 526 | self::header_no_cache(); |
| 527 | |
| 528 | // Check if action is allowed |
| 529 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 530 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-get-code-list" ) ) { |
| 531 | echo 'ERR-Not authorized'; |
| 532 | wp_die(); |
| 533 | } |
| 534 | |
| 535 | $code_manager_tabs_class = CODE_MANAGER_TAB_CLASS; |
| 536 | $code_manager_tabs = new $code_manager_tabs_class(); |
| 537 | $code_type_groups = $code_manager_tabs->get_code_types(); |
| 538 | $code_types = ['']; |
| 539 | foreach ( $code_type_groups as $code_type_group ) { |
| 540 | foreach ( $code_type_group as $key => $value ) { |
| 541 | $code_types[] = $key; |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | global $wpdb; |
| 546 | $query = 'select code_id, code_name, code_type from ' . self::get_base_table_name() . ' ' . |
| 547 | "where code_type in ('" . implode( "','", $code_types ) . "') " . |
| 548 | 'order by code_name'; |
| 549 | $rows = $wpdb->get_results( $query, 'ARRAY_A' ); |
| 550 | echo json_encode( $rows ); |
| 551 | |
| 552 | wp_die(); |
| 553 | } |
| 554 | |
| 555 | public static function get_code() { |
| 556 | self::header_no_cache(); |
| 557 | |
| 558 | if ( isset( $_REQUEST['code_id'] ) ) { |
| 559 | $code_id = sanitize_text_field( wp_unslash( $_REQUEST['code_id'] ) ); // input var okay. |
| 560 | |
| 561 | // Check if action is allowed |
| 562 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 563 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-get-code" ) ) { |
| 564 | echo 'ERR-Not authorized'; |
| 565 | wp_die(); |
| 566 | } |
| 567 | |
| 568 | echo self::get_code_from_id( $code_id ); |
| 569 | } else { |
| 570 | echo 'ERR-Wrong arguments'; |
| 571 | } |
| 572 | |
| 573 | wp_die(); |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * Check if code name exists from ajax request |
| 578 | * |
| 579 | * @since 1.0.0 |
| 580 | */ |
| 581 | public static function code_name_exists() { |
| 582 | self::header_no_cache(); |
| 583 | |
| 584 | if ( isset( $_REQUEST['code_name'] ) ) { |
| 585 | $code_name = sanitize_text_field( wp_unslash( $_REQUEST['code_name'] ) ); // input var okay. |
| 586 | |
| 587 | // Check if action is allowed |
| 588 | $wp_nonce = isset( $_REQUEST['wpnonce'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ) : ''; // input var okay. |
| 589 | if ( ! wp_verify_nonce( $wp_nonce, "code-manager-get-code" ) ) { |
| 590 | echo 'ERR-Not authorized'; |
| 591 | wp_die(); |
| 592 | } |
| 593 | |
| 594 | if ( '' === self::get_code_from_name( $code_name ) ) { |
| 595 | echo 'OK'; |
| 596 | } else { |
| 597 | echo 'ERR-Exists'; |
| 598 | } |
| 599 | } else { |
| 600 | echo 'ERR-Wrong arguments'; |
| 601 | } |
| 602 | |
| 603 | wp_die(); |
| 604 | } |
| 605 | |
| 606 | /** |
| 607 | * Sends header to browser (allows content type changes) |
| 608 | * |
| 609 | * @since 1.0.0 |
| 610 | */ |
| 611 | protected static function header_no_cache() { |
| 612 | if ( ob_get_length() ) { |
| 613 | // Clear buffer to prevent errors (not 100% proof) |
| 614 | ob_clean(); |
| 615 | } |
| 616 | |
| 617 | $content_type = 'text/plain'; |
| 618 | |
| 619 | if ( isset( $_REQUEST['code_manager_content_type'] ) ) { |
| 620 | // Check if action is allowed |
| 621 | $wp_nonce = isset( $_REQUEST['wpnonce_content_type'] ) ? |
| 622 | sanitize_text_field( wp_unslash( $_REQUEST['wpnonce_content_type'] ) ) : ''; // input var okay. |
| 623 | if ( wp_verify_nonce( $wp_nonce, "code_manager_content_type" ) ) { |
| 624 | $content_type = |
| 625 | sanitize_text_field( wp_unslash( $_REQUEST['code_manager_content_type'] ) ); // input var okay. |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); |
| 630 | header("Cache-Control: post-check=0, pre-check=0", false); |
| 631 | header("Pragma: no-cache"); |
| 632 | header("Content-Type: {$content_type}; charset=utf-8"); |
| 633 | } |
| 634 | |
| 635 | } |
| 636 | |
| 637 | } |