Code_Manager.php
1 year ago
Code_Manager_Dashboard.php
1 year ago
Code_Manager_Export.php
1 year ago
Code_Manager_Form.php
1 year ago
Code_Manager_Import.php
1 year ago
Code_Manager_Import_File.php
1 year ago
Code_Manager_List.php
1 year ago
Code_Manager_List_View.php
1 year ago
Code_Manager_Model.php
1 year ago
Code_Manager_Preview.php
1 year ago
Code_Manager_Settings.php
1 year ago
Code_Manager_Tabs.php
1 year ago
Message_Box.php
1 year ago
WP_List_Table.php
1 year ago
Code_Manager.php
381 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Code Manager main class |
| 5 | * |
| 6 | * @package Code_Manager |
| 7 | */ |
| 8 | namespace Code_Manager; |
| 9 | |
| 10 | /** |
| 11 | * Class Code_Manager |
| 12 | * |
| 13 | * Add plugin actions and runs the code saved in the code manager table. |
| 14 | * |
| 15 | * @author Peter Schulz |
| 16 | * @since 1.0.0 |
| 17 | */ |
| 18 | class Code_Manager { |
| 19 | const CM_MESSAGE = 'code_manager_alert_off'; |
| 20 | |
| 21 | const PHP_OPEN = '<?php'; |
| 22 | |
| 23 | const PHP_CLOSE = '?>'; |
| 24 | |
| 25 | const CSS_OPEN = '<style>'; |
| 26 | |
| 27 | const CSS_CLOSE = '</style>'; |
| 28 | |
| 29 | const JS_OPEN = '<script>'; |
| 30 | |
| 31 | const JS_CLOSE = '</script>'; |
| 32 | |
| 33 | /** |
| 34 | * Add Code Manager specific actions |
| 35 | * |
| 36 | * @param Object $loader Plugin loader. |
| 37 | * @since 1.0.0 |
| 38 | */ |
| 39 | public function add_actions( $loader ) { |
| 40 | $code_manager_model = null; |
| 41 | if ( null === $code_manager_model ) { |
| 42 | $code_manager_model = new Code_Manager_Model(); |
| 43 | } |
| 44 | if ( is_admin() ) { |
| 45 | // Admin actions. |
| 46 | $loader->add_action( 'admin_action_code_manager_export', Code_Manager_Export::class, 'export' ); |
| 47 | $loader->add_action( 'wp_ajax_code_manager_export', Code_Manager_Export::class, 'export_ajax' ); |
| 48 | $loader->add_action( 'wp_ajax_nopriv_code_manager_export', Code_Manager_Export::class, 'export_ajax' ); |
| 49 | $loader->add_action( 'wp_ajax_code_manager_update_code', $code_manager_model, 'update_code' ); |
| 50 | $loader->add_action( 'wp_ajax_code_manager_activate_code', $code_manager_model, 'activate_code' ); |
| 51 | $loader->add_action( 'wp_ajax_code_manager_activate_code_preview', $code_manager_model, 'activate_code_preview' ); |
| 52 | $loader->add_action( 'wp_ajax_code_manager_deactivate_code_preview', $code_manager_model, 'deactivate_code_preview' ); |
| 53 | $loader->add_action( 'wp_ajax_code_manager_reset_preview', $code_manager_model, 'reset_preview' ); |
| 54 | $loader->add_action( 'wp_ajax_code_manager_get_code_list', $code_manager_model, 'get_code_list' ); |
| 55 | $loader->add_action( 'wp_ajax_code_manager_code_name_exists', $code_manager_model, 'code_name_exists' ); |
| 56 | $loader->add_action( 'wp_ajax_code_manager_is_code_preview_enabled', $code_manager_model, 'is_code_preview_enabled' ); |
| 57 | $loader->add_action( 'wp_ajax_code_manager_get_code', $code_manager_model, 'get_code' ); |
| 58 | $loader->add_action( 'wp_ajax_nopriv_code_manager_get_code', $code_manager_model, 'get_code' ); |
| 59 | $loader->add_action( 'wp_ajax_code_manager_alert_off', Code_Manager::class, 'alert_off' ); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Run shortcode |
| 65 | * |
| 66 | * @since 1.0.0 |
| 67 | * |
| 68 | * @param array $atts Shortcode arguments. |
| 69 | * @var array |
| 70 | */ |
| 71 | public function add_shortcode( $atts ) { |
| 72 | if ( self::code_manager_disabled() ) { |
| 73 | // Code manager disabled. |
| 74 | return ''; |
| 75 | } |
| 76 | global $pagenow; |
| 77 | if ( 'post.php' === $pagenow || 'edit.php' === $pagenow || 'post-new.php' === $pagenow ) { |
| 78 | // Prevent errors on execution if shortcode is shown in classic editor. |
| 79 | return ''; |
| 80 | } |
| 81 | if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) { |
| 82 | // Prevent errors on execution if shortcode is shown in Gutenberg editor. |
| 83 | return null; |
| 84 | } |
| 85 | global $wpda_shortcode_args; |
| 86 | $wpda_shortcode_args = $atts; |
| 87 | // Allow user to define and use custom parameters. |
| 88 | $atts = array_change_key_case( (array) $atts, CASE_LOWER ); |
| 89 | $wp_atts = shortcode_atts( array( |
| 90 | 'id' => '', |
| 91 | 'name' => '', |
| 92 | ), $atts ); |
| 93 | if ( '' === $wp_atts['id'] && '' === $wp_atts['name'] ) { |
| 94 | return ''; |
| 95 | } |
| 96 | ob_start(); |
| 97 | $ids = explode( ',', $wp_atts['id'] ); |
| 98 | foreach ( $ids as $id ) { |
| 99 | $this->run_shortcode_id( $id ); |
| 100 | } |
| 101 | $names = explode( ',', $wp_atts['name'] ); |
| 102 | foreach ( $names as $name ) { |
| 103 | $this->run_shortcode_name( $name ); |
| 104 | } |
| 105 | $content = ob_get_contents(); |
| 106 | ob_end_clean(); |
| 107 | return $content; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Run shortcode from code id |
| 112 | * |
| 113 | * @param integer $id Code ID. |
| 114 | * @return void |
| 115 | */ |
| 116 | protected function run_shortcode_id( $id ) { |
| 117 | if ( '' !== $id ) { |
| 118 | $code_manager_model = null; |
| 119 | if ( null === $code_manager_model ) { |
| 120 | $code_manager_model = new Code_Manager_Model(); |
| 121 | } |
| 122 | $code_row = $code_manager_model::dml_query( $id ); |
| 123 | if ( 1 === count( $code_row ) ) { |
| 124 | if ( '1' === $code_row[0]['code_enabled'] || Code_Manager_Preview::is_code_id_preview_enabled( $id ) ) { |
| 125 | $this->run_shortcode( $code_row[0]['code_type'], $code_row[0]['code'] ); |
| 126 | } |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Run shortcode from code name |
| 133 | * |
| 134 | * @param string $name Code name. |
| 135 | * @return void |
| 136 | */ |
| 137 | protected function run_shortcode_name( $name ) { |
| 138 | if ( '' !== $name ) { |
| 139 | $code_manager_model = null; |
| 140 | if ( null === $code_manager_model ) { |
| 141 | $code_manager_model = new Code_Manager_Model(); |
| 142 | } |
| 143 | $code_row = $code_manager_model::dml_query_by_name( $name ); |
| 144 | if ( 1 === count( $code_row ) ) { |
| 145 | if ( '1' === $code_row[0]['code_enabled'] || Code_Manager_Preview::is_code_id_preview_enabled( $code_row[0]['code_id'] ) ) { |
| 146 | $this->run_shortcode( $code_row[0]['code_type'], $code_row[0]['code'] ); |
| 147 | } |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Adds code de pending on the code type |
| 154 | * |
| 155 | * @since 1.0.0 |
| 156 | * |
| 157 | * @param string $code_type Code type (shortcodes only). |
| 158 | * @param string $code The code (PHP, JS, CSS or HTML). |
| 159 | */ |
| 160 | protected function run_shortcode( $code_type, $code ) { |
| 161 | if ( strpos( $code_type, 'html' ) !== false ) { |
| 162 | echo wp_unslash( $code ); |
| 163 | // phpcs:ignore WordPress.Security.EscapeOutput |
| 164 | } elseif ( strpos( $code_type, 'css' ) !== false ) { |
| 165 | echo self::CSS_OPEN . wp_unslash( $code ) . self::CSS_CLOSE; |
| 166 | // phpcs:ignore WordPress.Security.EscapeOutput |
| 167 | } elseif ( strpos( $code_type, 'javascript' ) !== false ) { |
| 168 | echo self::JS_OPEN . wp_unslash( $code ) . self::JS_CLOSE; |
| 169 | // phpcs:ignore WordPress.Security.EscapeOutput |
| 170 | } elseif ( 'php shortcode' === $code_type ) { |
| 171 | $this->add_php_code( $code ); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Run shortcode from back-end code block using code id |
| 177 | * |
| 178 | * @param integer $id Code ID. |
| 179 | * @return void |
| 180 | */ |
| 181 | public function run_shortcode_id_from_anywhere( $id ) { |
| 182 | $this->run_shortcode_id( $id ); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Run shortcode from back-end code block using code name |
| 187 | * |
| 188 | * @param string $name Code name. |
| 189 | * @return void |
| 190 | */ |
| 191 | public function run_shortcode_name_from_anywhere( $name ) { |
| 192 | $this->run_shortcode_name( $name ); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Adds PHP code |
| 197 | * |
| 198 | * @since 1.0.0 |
| 199 | * |
| 200 | * @param string $php_code PHP code to be added. |
| 201 | */ |
| 202 | protected function add_php_code( $php_code ) { |
| 203 | if ( Code_Manager::is_code_manager_page() ) { |
| 204 | // Do not execute any code on Code Manager pages!!! |
| 205 | // This is an admins rescue in case code fails and locks a server. |
| 206 | } else { |
| 207 | $php_code_valid = true; |
| 208 | $php_code_functions = $this->get_classes_and_functions( $php_code ); |
| 209 | foreach ( $php_code_functions['functions'] as $php_code_function ) { |
| 210 | if ( function_exists( $php_code_function ) ) { |
| 211 | var_dump( "ERROR: Function {$php_code_function} is already declared" ); |
| 212 | $php_code_valid = false; |
| 213 | } |
| 214 | } |
| 215 | foreach ( $php_code_functions['classes'] as $php_code_class ) { |
| 216 | if ( class_exists( $php_code_class ) ) { |
| 217 | var_dump( "ERROR: Class {$php_code_class} is already declared" ); |
| 218 | $php_code_valid = false; |
| 219 | } |
| 220 | } |
| 221 | if ( $php_code_valid ) { |
| 222 | try { |
| 223 | eval( $this->strip_code( $php_code ) ); |
| 224 | } catch ( \ParseError $e ) { |
| 225 | echo $e->getMessage(); |
| 226 | } catch ( \Throwable $e ) { |
| 227 | echo $e->getMessage(); |
| 228 | } |
| 229 | } |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | protected function get_classes_and_functions( $php_code ) { |
| 234 | $tokens = token_get_all( $php_code ); |
| 235 | $class_names = array(); |
| 236 | $has_class_name = false; |
| 237 | $parsing_class = false; |
| 238 | $function_names = array(); |
| 239 | $parsing_function = false; |
| 240 | $open_braces = 0; |
| 241 | foreach ( $tokens as $token ) { |
| 242 | $token_start = $token[0]; |
| 243 | if ( T_CLASS === $token_start ) { |
| 244 | $parsing_class = true; |
| 245 | } elseif ( T_FUNCTION === $token_start ) { |
| 246 | if ( !$parsing_class ) { |
| 247 | $parsing_function = true; |
| 248 | } |
| 249 | } elseif ( T_STRING === $token_start ) { |
| 250 | if ( $parsing_function ) { |
| 251 | $parsing_function = false; |
| 252 | $function_names[] = $token[1]; |
| 253 | } elseif ( $parsing_class && !$has_class_name ) { |
| 254 | $class_names[] = $token[1]; |
| 255 | $has_class_name = true; |
| 256 | } |
| 257 | } elseif ( '(' === $token_start || ';' === $token_start ) { |
| 258 | $parsing_function = false; |
| 259 | } elseif ( '{' === $token_start ) { |
| 260 | if ( $parsing_class ) { |
| 261 | $open_braces++; |
| 262 | } |
| 263 | } elseif ( '}' === $token_start ) { |
| 264 | if ( $parsing_class ) { |
| 265 | $open_braces--; |
| 266 | if ( 0 === $open_braces ) { |
| 267 | $parsing_class = false; |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | } |
| 272 | return array( |
| 273 | 'classes' => $class_names, |
| 274 | 'functions' => $function_names, |
| 275 | ); |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Remove PHP opening and closing tags (when found) from given code |
| 280 | * |
| 281 | * @since 1.0.0 |
| 282 | * |
| 283 | * @param string $php_code PHP source code. |
| 284 | * |
| 285 | * @return string PHP code without PHP opening and closing tags |
| 286 | */ |
| 287 | protected function strip_code( $php_code ) { |
| 288 | $php_code = rtrim( ltrim( $php_code ) ); |
| 289 | if ( self::PHP_OPEN === strtolower( substr( $php_code, 0, 5 ) ) ) { |
| 290 | $php_code = substr( $php_code, 5 ); |
| 291 | } |
| 292 | if ( self::PHP_CLOSE === substr( $php_code, strlen( $php_code ) - 2 ) ) { |
| 293 | $php_code = substr( $php_code, 0, strlen( $php_code ) - 2 ); |
| 294 | } |
| 295 | return $php_code; |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Checks if Code Manager is disabled |
| 300 | * |
| 301 | * (1) Disabled in settings page |
| 302 | * (2) Disabled in config file |
| 303 | * |
| 304 | * @since 1.0.0 |
| 305 | * |
| 306 | * @return bool TRUE - Code Manager is disabled |
| 307 | */ |
| 308 | public static function code_manager_disabled() { |
| 309 | $plugin_code_execution = get_option( 'code_manager_plugin_code_execution' ); |
| 310 | if ( false === $plugin_code_execution ) { |
| 311 | $plugin_code_execution = 'on'; |
| 312 | } |
| 313 | return 'on' !== $plugin_code_execution || defined( 'CODE_MANAGER_DISABLED' ) && CODE_MANAGER_DISABLED; |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Returns true if user is on a Code Manager back-end page |
| 318 | * |
| 319 | * @return bool |
| 320 | */ |
| 321 | public static function is_code_manager_page() { |
| 322 | return is_admin() && isset( $_REQUEST['page'] ) && (CODE_MANAGER_MENU_SLUG === $_REQUEST['page'] || CODE_MANAGER_SETTINGS_MENU_SLUG === $_REQUEST['page'] || 'code_manager_post' === $_REQUEST['page']); |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * Get current user login |
| 327 | * |
| 328 | * @return string |
| 329 | */ |
| 330 | public static function get_current_user_login() { |
| 331 | global $current_user; |
| 332 | if ( isset( $current_user->user_login ) ) { |
| 333 | return $current_user->user_login; |
| 334 | } else { |
| 335 | $wp_user = wp_get_current_user(); |
| 336 | if ( isset( $wp_user->data->user_login ) ) { |
| 337 | return $wp_user->data->user_login; |
| 338 | } else { |
| 339 | return 'anonymous'; |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Get current user id |
| 346 | * |
| 347 | * @return string |
| 348 | */ |
| 349 | public static function get_current_user_id() { |
| 350 | global $current_user; |
| 351 | if ( isset( $current_user->ID ) ) { |
| 352 | return $current_user->ID; |
| 353 | } else { |
| 354 | $wp_user = wp_get_current_user(); |
| 355 | if ( isset( $wp_user->data->ID ) ) { |
| 356 | return $wp_user->data->ID; |
| 357 | } else { |
| 358 | return -1; |
| 359 | } |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | public static function get_cm_message() { |
| 364 | return get_user_meta( self::get_current_user_id(), self::CM_MESSAGE, true ); |
| 365 | } |
| 366 | |
| 367 | public static function alert_off() { |
| 368 | if ( is_user_logged_in() && isset( $_REQUEST['wpnonce'] ) ) { |
| 369 | // Check if action is allowed. |
| 370 | $wpnonce = sanitize_text_field( wp_unslash( $_REQUEST['wpnonce'] ) ); |
| 371 | // input var okay. |
| 372 | if ( wp_verify_nonce( $wpnonce, 'code-manager-' . Code_manager::get_current_user_login() ) ) { |
| 373 | // Turn off alarm. |
| 374 | update_user_meta( self::get_current_user_id(), self::CM_MESSAGE, 'hide' ); |
| 375 | } |
| 376 | } |
| 377 | wp_die(); |
| 378 | } |
| 379 | |
| 380 | } |
| 381 |