block-editor
4 years ago
css
4 years ago
js
4 years ago
capabilities.php
7 years ago
config-validator.php
4 years ago
contact-form-functions.php
4 years ago
contact-form-template.php
5 years ago
contact-form.php
4 years ago
controller.php
5 years ago
file.php
4 years ago
form-tag.php
4 years ago
form-tags-manager.php
4 years ago
formatting.php
4 years ago
functions.php
4 years ago
integration.php
4 years ago
l10n.php
5 years ago
mail.php
4 years ago
pipe.php
4 years ago
rest-api.php
4 years ago
shortcodes.php
9 years ago
special-mail-tags.php
5 years ago
submission.php
4 years ago
upgrade.php
7 years ago
validation-functions.php
4 years ago
validation.php
7 years ago
config-validator.php
737 lines
| 1 | <?php |
| 2 | |
| 3 | class WPCF7_ConfigValidator { |
| 4 | |
| 5 | const last_important_update = '5.5'; |
| 6 | |
| 7 | const error = 100; |
| 8 | const error_maybe_empty = 101; |
| 9 | const error_invalid_mailbox_syntax = 102; |
| 10 | const error_email_not_in_site_domain = 103; |
| 11 | const error_html_in_message = 104; |
| 12 | const error_multiple_controls_in_label = 105; |
| 13 | const error_file_not_found = 106; |
| 14 | const error_unavailable_names = 107; |
| 15 | const error_invalid_mail_header = 108; |
| 16 | const error_deprecated_settings = 109; |
| 17 | const error_file_not_in_content_dir = 110; |
| 18 | const error_unavailable_html_elements = 111; |
| 19 | const error_attachments_overweight = 112; |
| 20 | const error_dots_in_names = 113; |
| 21 | |
| 22 | public static function get_doc_link( $error_code = '' ) { |
| 23 | $url = __( 'https://contactform7.com/configuration-errors/', |
| 24 | 'contact-form-7' |
| 25 | ); |
| 26 | |
| 27 | if ( '' !== $error_code ) { |
| 28 | $error_code = strtr( $error_code, '_', '-' ); |
| 29 | |
| 30 | $url = sprintf( '%s/%s', untrailingslashit( $url ), $error_code ); |
| 31 | } |
| 32 | |
| 33 | return esc_url( $url ); |
| 34 | } |
| 35 | |
| 36 | private $contact_form; |
| 37 | private $errors = array(); |
| 38 | |
| 39 | public function __construct( WPCF7_ContactForm $contact_form ) { |
| 40 | $this->contact_form = $contact_form; |
| 41 | } |
| 42 | |
| 43 | public function contact_form() { |
| 44 | return $this->contact_form; |
| 45 | } |
| 46 | |
| 47 | public function is_valid() { |
| 48 | return ! $this->count_errors(); |
| 49 | } |
| 50 | |
| 51 | public function count_errors( $args = '' ) { |
| 52 | $args = wp_parse_args( $args, array( |
| 53 | 'section' => '', |
| 54 | 'code' => '', |
| 55 | ) ); |
| 56 | |
| 57 | $count = 0; |
| 58 | |
| 59 | foreach ( $this->errors as $key => $errors ) { |
| 60 | if ( preg_match( '/^mail_[0-9]+\.(.*)$/', $key, $matches ) ) { |
| 61 | $key = sprintf( 'mail.%s', $matches[1] ); |
| 62 | } |
| 63 | |
| 64 | if ( $args['section'] |
| 65 | and $key != $args['section'] |
| 66 | and preg_replace( '/\..*$/', '', $key, 1 ) != $args['section'] ) { |
| 67 | continue; |
| 68 | } |
| 69 | |
| 70 | foreach ( $errors as $error ) { |
| 71 | if ( empty( $error ) ) { |
| 72 | continue; |
| 73 | } |
| 74 | |
| 75 | if ( $args['code'] and $error['code'] != $args['code'] ) { |
| 76 | continue; |
| 77 | } |
| 78 | |
| 79 | $count += 1; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | return $count; |
| 84 | } |
| 85 | |
| 86 | public function collect_error_messages() { |
| 87 | $error_messages = array(); |
| 88 | |
| 89 | foreach ( $this->errors as $section => $errors ) { |
| 90 | $error_messages[$section] = array(); |
| 91 | |
| 92 | foreach ( $errors as $error ) { |
| 93 | if ( empty( $error['args']['message'] ) ) { |
| 94 | $message = $this->get_default_message( $error['code'] ); |
| 95 | } elseif ( empty( $error['args']['params'] ) ) { |
| 96 | $message = $error['args']['message']; |
| 97 | } else { |
| 98 | $message = $this->build_message( |
| 99 | $error['args']['message'], |
| 100 | $error['args']['params'] ); |
| 101 | } |
| 102 | |
| 103 | $link = ''; |
| 104 | |
| 105 | if ( ! empty( $error['args']['link'] ) ) { |
| 106 | $link = $error['args']['link']; |
| 107 | } |
| 108 | |
| 109 | $error_messages[$section][] = array( |
| 110 | 'message' => $message, |
| 111 | 'link' => esc_url( $link ), |
| 112 | ); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | return $error_messages; |
| 117 | } |
| 118 | |
| 119 | public function build_message( $message, $params = '' ) { |
| 120 | $params = wp_parse_args( $params, array() ); |
| 121 | |
| 122 | foreach ( $params as $key => $val ) { |
| 123 | if ( ! preg_match( '/^[0-9A-Za-z_]+$/', $key ) ) { // invalid key |
| 124 | continue; |
| 125 | } |
| 126 | |
| 127 | $placeholder = '%' . $key . '%'; |
| 128 | |
| 129 | if ( false !== stripos( $message, $placeholder ) ) { |
| 130 | $message = str_ireplace( $placeholder, $val, $message ); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | return $message; |
| 135 | } |
| 136 | |
| 137 | public function get_default_message( $code ) { |
| 138 | switch ( $code ) { |
| 139 | case self::error_maybe_empty: |
| 140 | return __( "There is a possible empty field.", 'contact-form-7' ); |
| 141 | case self::error_invalid_mailbox_syntax: |
| 142 | return __( "Invalid mailbox syntax is used.", 'contact-form-7' ); |
| 143 | case self::error_email_not_in_site_domain: |
| 144 | return __( "Sender email address does not belong to the site domain.", 'contact-form-7' ); |
| 145 | case self::error_html_in_message: |
| 146 | return __( "HTML tags are used in a message.", 'contact-form-7' ); |
| 147 | case self::error_multiple_controls_in_label: |
| 148 | return __( "Multiple form controls are in a single label element.", 'contact-form-7' ); |
| 149 | case self::error_invalid_mail_header: |
| 150 | return __( "There are invalid mail header fields.", 'contact-form-7' ); |
| 151 | case self::error_deprecated_settings: |
| 152 | return __( "Deprecated settings are used.", 'contact-form-7' ); |
| 153 | default: |
| 154 | return ''; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | public function add_error( $section, $code, $args = '' ) { |
| 159 | $args = wp_parse_args( $args, array( |
| 160 | 'message' => '', |
| 161 | 'params' => array(), |
| 162 | ) ); |
| 163 | |
| 164 | if ( ! isset( $this->errors[$section] ) ) { |
| 165 | $this->errors[$section] = array(); |
| 166 | } |
| 167 | |
| 168 | $this->errors[$section][] = array( 'code' => $code, 'args' => $args ); |
| 169 | |
| 170 | return true; |
| 171 | } |
| 172 | |
| 173 | public function remove_error( $section, $code ) { |
| 174 | if ( empty( $this->errors[$section] ) ) { |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | foreach ( (array) $this->errors[$section] as $key => $error ) { |
| 179 | if ( isset( $error['code'] ) |
| 180 | and $error['code'] == $code ) { |
| 181 | unset( $this->errors[$section][$key] ); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | if ( empty( $this->errors[$section] ) ) { |
| 186 | unset( $this->errors[$section] ); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | public function validate() { |
| 191 | $this->errors = array(); |
| 192 | |
| 193 | $this->validate_form(); |
| 194 | $this->validate_mail( 'mail' ); |
| 195 | $this->validate_mail( 'mail_2' ); |
| 196 | $this->validate_messages(); |
| 197 | $this->validate_additional_settings(); |
| 198 | |
| 199 | do_action( 'wpcf7_config_validator_validate', $this ); |
| 200 | |
| 201 | return $this->is_valid(); |
| 202 | } |
| 203 | |
| 204 | public function save() { |
| 205 | if ( $this->contact_form->initial() ) { |
| 206 | return; |
| 207 | } |
| 208 | |
| 209 | delete_post_meta( $this->contact_form->id(), '_config_errors' ); |
| 210 | |
| 211 | if ( $this->errors ) { |
| 212 | update_post_meta( $this->contact_form->id(), '_config_errors', |
| 213 | $this->errors ); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | public function restore() { |
| 218 | $config_errors = get_post_meta( |
| 219 | $this->contact_form->id(), '_config_errors', true ); |
| 220 | |
| 221 | foreach ( (array) $config_errors as $section => $errors ) { |
| 222 | if ( empty( $errors ) ) { |
| 223 | continue; |
| 224 | } |
| 225 | |
| 226 | if ( ! is_array( $errors ) ) { // for back-compat |
| 227 | $code = $errors; |
| 228 | $this->add_error( $section, $code ); |
| 229 | } else { |
| 230 | foreach ( (array) $errors as $error ) { |
| 231 | if ( ! empty( $error['code'] ) ) { |
| 232 | $code = $error['code']; |
| 233 | $args = isset( $error['args'] ) ? $error['args'] : ''; |
| 234 | $this->add_error( $section, $code, $args ); |
| 235 | } |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | public function replace_mail_tags_with_minimum_input( $matches ) { |
| 242 | // allow [[foo]] syntax for escaping a tag |
| 243 | if ( $matches[1] == '[' && $matches[4] == ']' ) { |
| 244 | return substr( $matches[0], 1, -1 ); |
| 245 | } |
| 246 | |
| 247 | $tag = $matches[0]; |
| 248 | $tagname = $matches[2]; |
| 249 | $values = $matches[3]; |
| 250 | |
| 251 | $mail_tag = new WPCF7_MailTag( $tag, $tagname, $values ); |
| 252 | $field_name = $mail_tag->field_name(); |
| 253 | |
| 254 | $example_email = 'example@example.com'; |
| 255 | $example_text = 'example'; |
| 256 | $example_blank = ''; |
| 257 | |
| 258 | $form_tags = $this->contact_form->scan_form_tags( |
| 259 | array( 'name' => $field_name ) ); |
| 260 | |
| 261 | if ( $form_tags ) { |
| 262 | $form_tag = new WPCF7_FormTag( $form_tags[0] ); |
| 263 | |
| 264 | $is_required = ( $form_tag->is_required() || 'radio' == $form_tag->type ); |
| 265 | |
| 266 | if ( ! $is_required ) { |
| 267 | return $example_blank; |
| 268 | } |
| 269 | |
| 270 | if ( wpcf7_form_tag_supports( $form_tag->type, 'selectable-values' ) ) { |
| 271 | if ( $form_tag->pipes instanceof WPCF7_Pipes ) { |
| 272 | if ( $mail_tag->get_option( 'do_not_heat' ) ) { |
| 273 | $before_pipes = $form_tag->pipes->collect_befores(); |
| 274 | $last_item = array_pop( $before_pipes ); |
| 275 | } else { |
| 276 | $after_pipes = $form_tag->pipes->collect_afters(); |
| 277 | $last_item = array_pop( $after_pipes ); |
| 278 | } |
| 279 | } else { |
| 280 | $last_item = array_pop( $form_tag->values ); |
| 281 | } |
| 282 | |
| 283 | if ( $last_item and wpcf7_is_mailbox_list( $last_item ) ) { |
| 284 | return $example_email; |
| 285 | } else { |
| 286 | return $example_text; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | if ( 'email' == $form_tag->basetype ) { |
| 291 | return $example_email; |
| 292 | } else { |
| 293 | return $example_text; |
| 294 | } |
| 295 | |
| 296 | } else { // maybe special mail tag |
| 297 | // for back-compat |
| 298 | $field_name = preg_replace( '/^wpcf7\./', '_', $field_name ); |
| 299 | |
| 300 | if ( '_site_admin_email' == $field_name ) { |
| 301 | return get_bloginfo( 'admin_email', 'raw' ); |
| 302 | |
| 303 | } elseif ( '_user_agent' == $field_name ) { |
| 304 | return $example_text; |
| 305 | |
| 306 | } elseif ( '_user_email' == $field_name ) { |
| 307 | return $this->contact_form->is_true( 'subscribers_only' ) |
| 308 | ? $example_email |
| 309 | : $example_blank; |
| 310 | |
| 311 | } elseif ( '_user_' == substr( $field_name, 0, 6 ) ) { |
| 312 | return $this->contact_form->is_true( 'subscribers_only' ) |
| 313 | ? $example_text |
| 314 | : $example_blank; |
| 315 | |
| 316 | } elseif ( '_' == substr( $field_name, 0, 1 ) ) { |
| 317 | return '_email' == substr( $field_name, -6 ) |
| 318 | ? $example_email |
| 319 | : $example_text; |
| 320 | |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | return $tag; |
| 325 | } |
| 326 | |
| 327 | public function validate_form() { |
| 328 | $section = 'form.body'; |
| 329 | $form = $this->contact_form->prop( 'form' ); |
| 330 | $this->detect_multiple_controls_in_label( $section, $form ); |
| 331 | $this->detect_unavailable_names( $section, $form ); |
| 332 | $this->detect_unavailable_html_elements( $section, $form ); |
| 333 | $this->detect_dots_in_names( $section, $form ); |
| 334 | } |
| 335 | |
| 336 | public function detect_multiple_controls_in_label( $section, $content ) { |
| 337 | $pattern = '%<label(?:[ \t\n]+.*?)?>(.+?)</label>%s'; |
| 338 | |
| 339 | if ( preg_match_all( $pattern, $content, $matches ) ) { |
| 340 | $form_tags_manager = WPCF7_FormTagsManager::get_instance(); |
| 341 | |
| 342 | foreach ( $matches[1] as $insidelabel ) { |
| 343 | $tags = $form_tags_manager->scan( $insidelabel ); |
| 344 | $fields_count = 0; |
| 345 | |
| 346 | foreach ( $tags as $tag ) { |
| 347 | $is_multiple_controls_container = wpcf7_form_tag_supports( |
| 348 | $tag->type, 'multiple-controls-container' ); |
| 349 | $is_zero_controls_container = wpcf7_form_tag_supports( |
| 350 | $tag->type, 'zero-controls-container' ); |
| 351 | |
| 352 | if ( $is_multiple_controls_container ) { |
| 353 | $fields_count += count( $tag->values ); |
| 354 | |
| 355 | if ( $tag->has_option( 'free_text' ) ) { |
| 356 | $fields_count += 1; |
| 357 | } |
| 358 | } elseif ( $is_zero_controls_container ) { |
| 359 | $fields_count += 0; |
| 360 | } elseif ( ! empty( $tag->name ) ) { |
| 361 | $fields_count += 1; |
| 362 | } |
| 363 | |
| 364 | if ( 1 < $fields_count ) { |
| 365 | return $this->add_error( $section, |
| 366 | self::error_multiple_controls_in_label, array( |
| 367 | 'link' => self::get_doc_link( 'multiple_controls_in_label' ), |
| 368 | ) |
| 369 | ); |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | return false; |
| 376 | } |
| 377 | |
| 378 | public function detect_unavailable_names( $section, $content ) { |
| 379 | $public_query_vars = array( 'm', 'p', 'posts', 'w', 'cat', |
| 380 | 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', |
| 381 | 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', |
| 382 | 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', |
| 383 | 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', |
| 384 | 'pagename', 'page_id', 'error', 'attachment', 'attachment_id', |
| 385 | 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', |
| 386 | 'cpage', 'post_type', 'embed', |
| 387 | ); |
| 388 | |
| 389 | $form_tags_manager = WPCF7_FormTagsManager::get_instance(); |
| 390 | |
| 391 | $ng_named_tags = $form_tags_manager->filter( $content, array( |
| 392 | 'name' => $public_query_vars, |
| 393 | ) ); |
| 394 | |
| 395 | $ng_names = array(); |
| 396 | |
| 397 | foreach ( $ng_named_tags as $tag ) { |
| 398 | $ng_names[] = sprintf( '"%s"', $tag->name ); |
| 399 | } |
| 400 | |
| 401 | if ( $ng_names ) { |
| 402 | $ng_names = array_unique( $ng_names ); |
| 403 | |
| 404 | return $this->add_error( $section, |
| 405 | self::error_unavailable_names, |
| 406 | array( |
| 407 | 'message' => |
| 408 | /* translators: %names%: a list of form control names */ |
| 409 | __( "Unavailable names (%names%) are used for form controls.", 'contact-form-7' ), |
| 410 | 'params' => array( 'names' => implode( ', ', $ng_names ) ), |
| 411 | 'link' => self::get_doc_link( 'unavailable_names' ), |
| 412 | ) |
| 413 | ); |
| 414 | } |
| 415 | |
| 416 | return false; |
| 417 | } |
| 418 | |
| 419 | public function detect_unavailable_html_elements( $section, $content ) { |
| 420 | $pattern = '%(?:<form[\s\t>]|</form>)%i'; |
| 421 | |
| 422 | if ( preg_match( $pattern, $content ) ) { |
| 423 | return $this->add_error( $section, |
| 424 | self::error_unavailable_html_elements, |
| 425 | array( |
| 426 | 'message' => __( "Unavailable HTML elements are used in the form template.", 'contact-form-7' ), |
| 427 | 'link' => self::get_doc_link( 'unavailable_html_elements' ), |
| 428 | ) |
| 429 | ); |
| 430 | } |
| 431 | |
| 432 | return false; |
| 433 | } |
| 434 | |
| 435 | public function detect_dots_in_names( $section, $content ) { |
| 436 | $form_tags_manager = WPCF7_FormTagsManager::get_instance(); |
| 437 | |
| 438 | $tags = $form_tags_manager->filter( $content, array( |
| 439 | 'feature' => 'name-attr', |
| 440 | ) ); |
| 441 | |
| 442 | foreach ( $tags as $tag ) { |
| 443 | if ( false !== strpos( $tag->raw_name, '.' ) ) { |
| 444 | return $this->add_error( $section, |
| 445 | self::error_dots_in_names, |
| 446 | array( |
| 447 | 'message' => __( "Dots are used in form-tag names.", 'contact-form-7' ), |
| 448 | 'link' => self::get_doc_link( 'dots_in_names' ), |
| 449 | ) |
| 450 | ); |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | return false; |
| 455 | } |
| 456 | |
| 457 | public function validate_mail( $template = 'mail' ) { |
| 458 | $components = (array) $this->contact_form->prop( $template ); |
| 459 | |
| 460 | if ( ! $components ) { |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | if ( 'mail' != $template |
| 465 | and empty( $components['active'] ) ) { |
| 466 | return; |
| 467 | } |
| 468 | |
| 469 | $components = wp_parse_args( $components, array( |
| 470 | 'subject' => '', |
| 471 | 'sender' => '', |
| 472 | 'recipient' => '', |
| 473 | 'additional_headers' => '', |
| 474 | 'body' => '', |
| 475 | 'attachments' => '', |
| 476 | ) ); |
| 477 | |
| 478 | $callback = array( $this, 'replace_mail_tags_with_minimum_input' ); |
| 479 | |
| 480 | $subject = $components['subject']; |
| 481 | $subject = new WPCF7_MailTaggedText( $subject, |
| 482 | array( 'callback' => $callback ) ); |
| 483 | $subject = $subject->replace_tags(); |
| 484 | $subject = wpcf7_strip_newline( $subject ); |
| 485 | $this->detect_maybe_empty( sprintf( '%s.subject', $template ), $subject ); |
| 486 | |
| 487 | $sender = $components['sender']; |
| 488 | $sender = new WPCF7_MailTaggedText( $sender, |
| 489 | array( 'callback' => $callback ) ); |
| 490 | $sender = $sender->replace_tags(); |
| 491 | $sender = wpcf7_strip_newline( $sender ); |
| 492 | |
| 493 | if ( ! $this->detect_invalid_mailbox_syntax( sprintf( '%s.sender', $template ), $sender ) |
| 494 | and ! wpcf7_is_email_in_site_domain( $sender ) ) { |
| 495 | $this->add_error( sprintf( '%s.sender', $template ), |
| 496 | self::error_email_not_in_site_domain, array( |
| 497 | 'link' => self::get_doc_link( 'email_not_in_site_domain' ), |
| 498 | ) |
| 499 | ); |
| 500 | } |
| 501 | |
| 502 | $recipient = $components['recipient']; |
| 503 | $recipient = new WPCF7_MailTaggedText( $recipient, |
| 504 | array( 'callback' => $callback ) ); |
| 505 | $recipient = $recipient->replace_tags(); |
| 506 | $recipient = wpcf7_strip_newline( $recipient ); |
| 507 | |
| 508 | $this->detect_invalid_mailbox_syntax( |
| 509 | sprintf( '%s.recipient', $template ), $recipient ); |
| 510 | |
| 511 | $additional_headers = $components['additional_headers']; |
| 512 | $additional_headers = new WPCF7_MailTaggedText( $additional_headers, |
| 513 | array( 'callback' => $callback ) ); |
| 514 | $additional_headers = $additional_headers->replace_tags(); |
| 515 | $additional_headers = explode( "\n", $additional_headers ); |
| 516 | $mailbox_header_types = array( 'reply-to', 'cc', 'bcc' ); |
| 517 | $invalid_mail_header_exists = false; |
| 518 | |
| 519 | foreach ( $additional_headers as $header ) { |
| 520 | $header = trim( $header ); |
| 521 | |
| 522 | if ( '' === $header ) { |
| 523 | continue; |
| 524 | } |
| 525 | |
| 526 | if ( ! preg_match( '/^([0-9A-Za-z-]+):(.*)$/', $header, $matches ) ) { |
| 527 | $invalid_mail_header_exists = true; |
| 528 | } else { |
| 529 | $header_name = $matches[1]; |
| 530 | $header_value = trim( $matches[2] ); |
| 531 | |
| 532 | if ( in_array( strtolower( $header_name ), $mailbox_header_types ) ) { |
| 533 | $this->detect_invalid_mailbox_syntax( |
| 534 | sprintf( '%s.additional_headers', $template ), |
| 535 | $header_value, array( |
| 536 | 'message' => |
| 537 | __( "Invalid mailbox syntax is used in the %name% field.", 'contact-form-7' ), |
| 538 | 'params' => array( 'name' => $header_name ) ) ); |
| 539 | } elseif ( empty( $header_value ) ) { |
| 540 | $invalid_mail_header_exists = true; |
| 541 | } |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | if ( $invalid_mail_header_exists ) { |
| 546 | $this->add_error( sprintf( '%s.additional_headers', $template ), |
| 547 | self::error_invalid_mail_header, array( |
| 548 | 'link' => self::get_doc_link( 'invalid_mail_header' ), |
| 549 | ) |
| 550 | ); |
| 551 | } |
| 552 | |
| 553 | $body = $components['body']; |
| 554 | $body = new WPCF7_MailTaggedText( $body, |
| 555 | array( 'callback' => $callback ) ); |
| 556 | $body = $body->replace_tags(); |
| 557 | $this->detect_maybe_empty( sprintf( '%s.body', $template ), $body ); |
| 558 | |
| 559 | if ( '' !== $components['attachments'] ) { |
| 560 | $attachables = array(); |
| 561 | |
| 562 | $tags = $this->contact_form->scan_form_tags( |
| 563 | array( 'type' => array( 'file', 'file*' ) ) |
| 564 | ); |
| 565 | |
| 566 | foreach ( $tags as $tag ) { |
| 567 | $name = $tag->name; |
| 568 | |
| 569 | if ( false === strpos( $components['attachments'], "[{$name}]" ) ) { |
| 570 | continue; |
| 571 | } |
| 572 | |
| 573 | $limit = (int) $tag->get_limit_option(); |
| 574 | |
| 575 | if ( empty( $attachables[$name] ) |
| 576 | or $attachables[$name] < $limit ) { |
| 577 | $attachables[$name] = $limit; |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | $total_size = array_sum( $attachables ); |
| 582 | |
| 583 | $has_file_not_found = false; |
| 584 | $has_file_not_in_content_dir = false; |
| 585 | |
| 586 | foreach ( explode( "\n", $components['attachments'] ) as $line ) { |
| 587 | $line = trim( $line ); |
| 588 | |
| 589 | if ( '' === $line |
| 590 | or '[' == substr( $line, 0, 1 ) ) { |
| 591 | continue; |
| 592 | } |
| 593 | |
| 594 | $has_file_not_found = $this->detect_file_not_found( |
| 595 | sprintf( '%s.attachments', $template ), $line |
| 596 | ); |
| 597 | |
| 598 | if ( ! $has_file_not_found |
| 599 | and ! $has_file_not_in_content_dir ) { |
| 600 | $has_file_not_in_content_dir = $this->detect_file_not_in_content_dir( |
| 601 | sprintf( '%s.attachments', $template ), $line |
| 602 | ); |
| 603 | } |
| 604 | |
| 605 | if ( ! $has_file_not_found ) { |
| 606 | $path = path_join( WP_CONTENT_DIR, $line ); |
| 607 | $total_size += (int) @filesize( $path ); |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | $max = 25 * MB_IN_BYTES; // 25 MB |
| 612 | |
| 613 | if ( $max < $total_size ) { |
| 614 | $this->add_error( sprintf( '%s.attachments', $template ), |
| 615 | self::error_attachments_overweight, |
| 616 | array( |
| 617 | 'message' => __( "The total size of attachment files is too large.", 'contact-form-7' ), |
| 618 | 'link' => self::get_doc_link( 'attachments_overweight' ), |
| 619 | ) |
| 620 | ); |
| 621 | } |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | public function detect_invalid_mailbox_syntax( $section, $content, $args = '' ) { |
| 626 | $args = wp_parse_args( $args, array( |
| 627 | 'link' => self::get_doc_link( 'invalid_mailbox_syntax' ), |
| 628 | 'message' => '', |
| 629 | 'params' => array(), |
| 630 | ) ); |
| 631 | |
| 632 | if ( ! wpcf7_is_mailbox_list( $content ) ) { |
| 633 | return $this->add_error( $section, |
| 634 | self::error_invalid_mailbox_syntax, $args ); |
| 635 | } |
| 636 | |
| 637 | return false; |
| 638 | } |
| 639 | |
| 640 | public function detect_maybe_empty( $section, $content ) { |
| 641 | if ( '' === $content ) { |
| 642 | return $this->add_error( $section, |
| 643 | self::error_maybe_empty, array( |
| 644 | 'link' => self::get_doc_link( 'maybe_empty' ), |
| 645 | ) |
| 646 | ); |
| 647 | } |
| 648 | |
| 649 | return false; |
| 650 | } |
| 651 | |
| 652 | public function detect_file_not_found( $section, $content ) { |
| 653 | $path = path_join( WP_CONTENT_DIR, $content ); |
| 654 | |
| 655 | if ( ! is_readable( $path ) |
| 656 | or ! is_file( $path ) ) { |
| 657 | return $this->add_error( $section, |
| 658 | self::error_file_not_found, |
| 659 | array( |
| 660 | 'message' => |
| 661 | __( "Attachment file does not exist at %path%.", 'contact-form-7' ), |
| 662 | 'params' => array( 'path' => $content ), |
| 663 | 'link' => self::get_doc_link( 'file_not_found' ), |
| 664 | ) |
| 665 | ); |
| 666 | } |
| 667 | |
| 668 | return false; |
| 669 | } |
| 670 | |
| 671 | public function detect_file_not_in_content_dir( $section, $content ) { |
| 672 | $path = path_join( WP_CONTENT_DIR, $content ); |
| 673 | |
| 674 | if ( ! wpcf7_is_file_path_in_content_dir( $path ) ) { |
| 675 | return $this->add_error( $section, |
| 676 | self::error_file_not_in_content_dir, |
| 677 | array( |
| 678 | 'message' => |
| 679 | __( "It is not allowed to use files outside the wp-content directory.", 'contact-form-7' ), |
| 680 | 'link' => self::get_doc_link( 'file_not_in_content_dir' ), |
| 681 | ) |
| 682 | ); |
| 683 | } |
| 684 | |
| 685 | return false; |
| 686 | } |
| 687 | |
| 688 | public function validate_messages() { |
| 689 | $messages = (array) $this->contact_form->prop( 'messages' ); |
| 690 | |
| 691 | if ( ! $messages ) { |
| 692 | return; |
| 693 | } |
| 694 | |
| 695 | if ( isset( $messages['captcha_not_match'] ) |
| 696 | and ! wpcf7_use_really_simple_captcha() ) { |
| 697 | unset( $messages['captcha_not_match'] ); |
| 698 | } |
| 699 | |
| 700 | foreach ( $messages as $key => $message ) { |
| 701 | $section = sprintf( 'messages.%s', $key ); |
| 702 | $this->detect_html_in_message( $section, $message ); |
| 703 | } |
| 704 | } |
| 705 | |
| 706 | public function detect_html_in_message( $section, $content ) { |
| 707 | $stripped = wp_strip_all_tags( $content ); |
| 708 | |
| 709 | if ( $stripped != $content ) { |
| 710 | return $this->add_error( $section, |
| 711 | self::error_html_in_message, |
| 712 | array( |
| 713 | 'link' => self::get_doc_link( 'html_in_message' ), |
| 714 | ) |
| 715 | ); |
| 716 | } |
| 717 | |
| 718 | return false; |
| 719 | } |
| 720 | |
| 721 | public function validate_additional_settings() { |
| 722 | $deprecated_settings_used = |
| 723 | $this->contact_form->additional_setting( 'on_sent_ok' ) || |
| 724 | $this->contact_form->additional_setting( 'on_submit' ); |
| 725 | |
| 726 | if ( $deprecated_settings_used ) { |
| 727 | return $this->add_error( 'additional_settings.body', |
| 728 | self::error_deprecated_settings, |
| 729 | array( |
| 730 | 'link' => self::get_doc_link( 'deprecated_settings' ), |
| 731 | ) |
| 732 | ); |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | } |
| 737 |