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Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More / 5.1
Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More v5.1
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← All changes | classes/models/FrmEntryValidate.php +177 -575 6.295.1 View file →
@@ -3,22 +3,8 @@
3 3 die( 'You are not allowed to call this page directly.' );
4 4 }
5 5
6 6 class FrmEntryValidate {
7 -
8 - /**
9 - * @since 6.17
10 - *
11 - * @var array|null
12 - */
13 - private static $name_text_fields;
14 -
15 - /**
16 - * @param array $values
17 - * @param bool|string[] $exclude
18 - *
19 - * @return array
20 - */
21 7 public static function validate( $values, $exclude = false ) {
22 8 FrmEntry::sanitize_entry_post( $values );
23 9 $errors = array();
24 10
@@ -23,17 +9,16 @@
23 9 $errors = array();
24 10
25 11 if ( ! isset( $values['form_id'] ) || ! isset( $values['item_meta'] ) ) {
26 12 $errors['form'] = __( 'There was a problem with your submission. Please try again.', 'formidable' );
13 +
27 14 return $errors;
28 15 }
29 16
30 - if ( FrmAppHelper::is_admin() && is_user_logged_in() && ( ! isset( $values[ 'frm_submit_entry_' . $values['form_id'] ] ) || ! wp_verify_nonce( $values[ 'frm_submit_entry_' . $values['form_id'] ], 'frm_submit_entry_nonce' ) ) ) { // phpcs:ignore SlevomatCodingStandard.Files.LineLength.LineTooLong
31 - $frm_settings = FrmAppHelper::get_settings();
32 - $errors['form'] = $frm_settings->admin_permission;
17 + if ( FrmAppHelper::is_admin() && is_user_logged_in() && ( ! isset( $values[ 'frm_submit_entry_' . $values['form_id'] ] ) || ! wp_verify_nonce( $values[ 'frm_submit_entry_' . $values['form_id'] ], 'frm_submit_entry_nonce' ) ) ) {
18 + $errors['form'] = __( 'You do not have permission to do that', 'formidable' );
33 19 }
34 20
35 - self::maybe_fix_item_meta();
36 21 self::set_item_key( $values );
37 22
38 23 $posted_fields = self::get_fields_to_validate( $values, $exclude );
39 24
@@ -44,9 +29,9 @@
44 29 self::validate_field( $posted_field, $errors, $values, $args );
45 30 unset( $posted_field );
46 31 }
47 32
48 - if ( ! $errors ) {
33 + if ( empty( $errors ) ) {
49 34 self::spam_check( $exclude, $values, $errors );
50 35 }
51 36
52 37 /**
@@ -57,56 +42,21 @@
57 42 * @param array $errors Errors data.
58 43 * @param array $values Value data of the form.
59 44 * @param array $args Custom arguments. Contains `exclude` and `posted_fields`.
60 45 */
61 - $filtered_errors = apply_filters( 'frm_validate_entry', $errors, $values, compact( 'exclude', 'posted_fields' ) );
46 + $errors = apply_filters( 'frm_validate_entry', $errors, $values, compact( 'exclude', 'posted_fields' ) );
62 47
63 - if ( is_array( $filtered_errors ) ) {
64 - $errors = $filtered_errors;
65 - } else {
66 - _doing_it_wrong( __METHOD__, 'Only arrays should be returned when using the frm_validate_entry filter.', '6.3' );
67 - }
68 -
69 48 return $errors;
70 49 }
71 50
72 - /**
73 - * In case $_POST['item_meta'] is not an array, change it to an empty array.
74 - * This helps to avoid some warnings and errors when $_POST['item_meta'] is updated.
75 - *
76 - * @since 6.6
77 - *
78 - * @return void
79 - */
80 - private static function maybe_fix_item_meta() {
81 - // phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.InputNotValidated
82 - if ( ! isset( $_POST['item_meta'] ) || ! is_array( $_POST['item_meta'] ) ) {
83 - $_POST['item_meta'] = array();
84 - }
85 - }
86 -
87 - /**
88 - * @param array $values
89 - *
90 - * @return void
91 - */
92 51 private static function set_item_key( &$values ) {
93 - // phpcs:ignore Universal.Operators.StrictComparisons
94 - if ( isset( $values['item_key'] ) && $values['item_key'] != '' ) {
95 - return;
52 + if ( ! isset( $values['item_key'] ) || $values['item_key'] == '' ) {
53 + global $wpdb;
54 + $values['item_key'] = FrmAppHelper::get_unique_key( '', $wpdb->prefix . 'frm_items', 'item_key' );
55 + $_POST['item_key'] = $values['item_key'];
96 56 }
97 -
98 - global $wpdb;
99 - $values['item_key'] = FrmAppHelper::get_unique_key( '', $wpdb->prefix . 'frm_items', 'item_key' );
100 - $_POST['item_key'] = $values['item_key'];
101 57 }
102 58
103 - /**
104 - * @param array $values
105 - * @param array|string $exclude
106 - *
107 - * @return array
108 - */
109 59 private static function get_fields_to_validate( $values, $exclude ) {
110 60 $where = apply_filters( 'frm_posted_field_ids', array( 'fi.form_id' => $values['form_id'] ) );
111 61
112 62 // Don't get subfields
@@ -112,9 +62,9 @@
112 62 // Don't get subfields
113 63 $where['fr.parent_form_id'] = array( null, 0 );
114 64
115 65 // Don't get excluded fields (like file upload fields in the ajax validation)
116 - if ( $exclude ) {
66 + if ( ! empty( $exclude ) ) {
117 67 $where['fi.type not'] = $exclude;
118 68 }
119 69
120 70 $fields = FrmField::getAll( $where, 'field_order' );
@@ -129,29 +79,23 @@
129 79 */
130 80 return apply_filters( 'frm_fields_to_validate', $fields, compact( 'values', 'exclude', 'where' ) );
131 81 }
132 82
133 - /**
134 - * @param object $posted_field
135 - * @param array $errors
136 - * @param array $values
137 - * @param array $args
138 - *
139 - * @return void
140 - */
141 83 public static function validate_field( $posted_field, &$errors, $values, $args = array() ) {
142 84 $defaults = array(
143 85 'id' => $posted_field->id,
144 - // The id of the repeat or embed form.
145 - 'parent_field_id' => '',
146 - // The pointer in the posted array.
147 - 'key_pointer' => '',
148 - // Exclude these field types from validation.
149 - 'exclude' => array(),
86 + 'parent_field_id' => '', // the id of the repeat or embed form
87 + 'key_pointer' => '', // the pointer in the posted array
88 + 'exclude' => array(), // exclude these field types from validation
89 + );
90 + $args = wp_parse_args( $args, $defaults );
150 91
151 - );
152 - $args = wp_parse_args( $args, $defaults );
153 - $value = ! empty( $args['parent_field_id'] ) ? $values : ( $values['item_meta'][ $args['id'] ] ?? '' );
92 + if ( empty( $args['parent_field_id'] ) ) {
93 + $value = isset( $values['item_meta'][ $args['id'] ] ) ? $values['item_meta'][ $args['id'] ] : '';
94 + } else {
95 + // value is from a nested form
96 + $value = $values;
97 + }
154 98
155 99 // Check for values in "Other" fields
156 100 FrmEntriesHelper::maybe_set_other_validation( $posted_field, $value, $args );
157 101
@@ -156,10 +100,9 @@
156 100 FrmEntriesHelper::maybe_set_other_validation( $posted_field, $value, $args );
157 101
158 102 self::maybe_clear_value_for_default_blank_setting( $posted_field, $value );
159 103
160 - $should_trim = is_array( $value ) && count( $value ) === 1 && isset( $value[0] ) && $posted_field->type !== 'checkbox';
161 -
104 + $should_trim = is_array( $value ) && count( $value ) == 1 && isset( $value[0] ) && $posted_field->type !== 'checkbox';
162 105 if ( $should_trim ) {
163 106 $value = reset( $value );
164 107 }
165 108
@@ -166,18 +109,16 @@
166 109 if ( ! is_array( $value ) ) {
167 110 $value = trim( $value );
168 111 }
169 112
170 - // phpcs:ignore Universal.Operators.StrictComparisons
171 113 if ( $posted_field->required == '1' && FrmAppHelper::is_empty_value( $value ) ) {
172 114 $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $posted_field, 'blank' );
173 - } elseif ( ! isset( $_POST['item_name'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
174 - self::maybe_add_item_name( $value, $posted_field );
115 + } elseif ( $posted_field->type === 'text' && ! isset( $_POST['item_name'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
116 + $_POST['item_name'] = $value;
175 117 }
176 118
177 119 FrmEntriesHelper::set_posted_value( $posted_field, $value, $args );
178 120
179 - self::validate_options( $errors, $posted_field, $value, $args );
180 121 self::validate_field_types( $errors, $posted_field, $value, $args );
181 122
182 123 // Field might want to modify value before other parts of the system
183 124 // e.g. trim off excess values like in the case of fields with limit.
@@ -182,9 +123,8 @@
182 123 // Field might want to modify value before other parts of the system
183 124 // e.g. trim off excess values like in the case of fields with limit.
184 125 $value = apply_filters( 'frm_modify_posted_field_value', $value, $errors, $posted_field, $args );
185 126
186 - // phpcs:ignore Universal.Operators.StrictComparisons
187 127 if ( $value != '' ) {
188 128 self::validate_phone_field( $errors, $posted_field, $value, $args );
189 129 }
190 130
@@ -189,236 +129,18 @@
189 129 }
190 130
191 131 $errors = apply_filters( 'frm_validate_' . $posted_field->type . '_field_entry', $errors, $posted_field, $value, $args );
192 132 $errors = apply_filters( 'frm_validate_field_entry', $errors, $posted_field, $value, $args );
193 -
194 - if ( ! FrmAppHelper::pro_is_installed() && empty( $args['other'] ) ) {
195 - FrmEntriesHelper::get_posted_value( $posted_field, $value, $args );
196 - }
197 133 }
198 134
199 135 /**
200 - * @since 6.21
201 - *
202 - * @param array $errors
203 - * @param object $posted_field
204 - * @param array|string $value
205 - * @param array $args
206 - *
207 - * @return void
208 - */
209 - private static function validate_options( &$errors, $posted_field, $value, $args ) {
210 - if ( empty( $posted_field->options ) ) {
211 - return;
212 - }
213 -
214 - $option_is_valid = self::option_is_valid( $posted_field, $value, $posted_field->options );
215 -
216 - /**
217 - * @since 6.21
218 - *
219 - * @param bool $option_is_valid
220 - * @param array|string $value
221 - * @param object $field
222 - */
223 - $option_is_valid = (bool) apply_filters( 'frm_option_is_valid', $option_is_valid, $value, $posted_field );
224 -
225 - if ( ! $option_is_valid ) {
226 - $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $posted_field, 'invalid' );
227 - }
228 - }
229 -
230 - /**
231 - * Validate that value matches one of the options for the field.
232 - *
233 - * @since 6.21
234 - *
235 - * @param stdClass $field
236 - * @param array|string $value
237 - * @param array $options
238 - *
239 - * @return bool
240 - */
241 - private static function option_is_valid( $field, $value, $options ) { // phpcs:ignore SlevomatCodingStandard.Complexity.Cognitive.ComplexityTooHigh
242 - if ( '' === $value ) {
243 - return true;
244 - }
245 -
246 - $field_object = FrmFieldFactory::get_field_type( $field->type, $field );
247 -
248 - if ( ! $field_object->field_type_has_options_settings() ) {
249 - return true;
250 - }
251 -
252 - if ( in_array( $field->type, array( 'likert', 'ranking' ), true ) ) {
253 - // Ignore these field types automatically.
254 - return true;
255 - }
256 -
257 - if ( 'product' === $field->type && 'user_def' === FrmField::get_option( $field, 'data_type' ) ) {
258 - return true;
259 - }
260 -
261 - if ( ! empty( $field->field_options['post_field'] ) ) {
262 - return true;
263 - }
264 -
265 - $value = (array) $value;
266 -
267 - foreach ( $value as $current_value ) {
268 - $match = false;
269 -
270 - foreach ( $options as $key => $option ) {
271 - if ( str_starts_with( $key, 'other_' ) ) {
272 - // Always return true if an other option is found.
273 - return true;
274 - }
275 -
276 - if ( is_array( $option ) ) {
277 - $separate_value = FrmField::get_option( $field, 'separate_value' );
278 - $option_value = $separate_value ? $option['value'] : $option['label'];
279 - } else {
280 - $option_value = $option;
281 - }
282 -
283 - /**
284 - * @var string $current_value
285 - */
286 - $match = trim( $current_value ) === trim( $option_value );
287 -
288 - if ( $match ) {
289 - break;
290 - }
291 -
292 - $match = trim( $current_value ) === trim( do_shortcode( $option_value ) );
293 -
294 - if ( $match ) {
295 - break;
296 - }
297 -
298 - $match = self::is_filtered_match( $current_value, $option_value );
299 -
300 - if ( $match ) {
301 - break;
302 - }
303 -
304 - if ( ! is_numeric( $current_value ) ) {
305 - continue;
306 - }
307 -
308 - $match = (int) $current_value === (int) $option_value;
309 -
310 - if ( $match ) {
311 - break;
312 - }
313 - }//end foreach
314 -
315 - if ( ! $match ) {
316 - return self::options_are_dynamic_based_on_hook( $field, $value );
317 - }
318 - }//end foreach
319 -
320 - return true;
321 - }
322 -
323 - /**
324 - * Make an extra check after passing $option_value through the_content filter.
325 - * This is to help catch cases where the option's formatting has been modified using
326 - * the_content filter.
327 - *
328 - * @since 6.22
329 - *
330 - * @param string $value
331 - * @param string $option_value
332 - *
333 - * @return bool
334 - */
335 - private static function is_filtered_match( $value, $option_value ) {
336 - // First remove the wpautop filter so it doesn't add extra tags to $option_value.
337 - $filter_priority = has_filter( 'the_content', 'wpautop' );
338 -
339 - if ( is_numeric( $filter_priority ) ) {
340 - remove_filter( 'the_content', 'wpautop', $filter_priority );
341 - }
342 -
343 - $filtered_option = apply_filters( 'the_content', $option_value );
344 -
345 - if ( is_numeric( $filter_priority ) ) {
346 - add_filter( 'the_content', 'wpautop', $filter_priority );
347 - }
348 -
349 - return trim( $value ) === trim( $filtered_option );
350 - }
351 -
352 - /**
353 - * Do not validate options if they have been modified with a hook.
354 - * This is to help avoid issues where the options could be based on a URL param for example.
355 - *
356 - * @since 6.21
357 - *
358 - * @param object $field_object The field object.
359 - * @param array|string $value The value to validate.
360 - *
361 - * @return bool
362 - */
363 - private static function options_are_dynamic_based_on_hook( $field_object, $value ) {
364 - $values = (array) $field_object;
365 - $values['value'] = $value;
366 - FrmFieldsHelper::prepare_new_front_field( $values, $field_object );
367 -
368 - $separate_value = FrmField::get_option( $field_object, 'separate_value' );
369 - $map_callback = function ( $option ) use ( $separate_value ) {
370 - if ( is_array( $option ) ) {
371 - $option_value = $separate_value ? $option['value'] : $option['label'];
372 - } else {
373 - $option_value = $option;
374 - }
375 - return do_shortcode( $option_value );
376 - };
377 -
378 - $values_options = array_map( $map_callback, $values['options'] );
379 - $field_object_options = array_map( $map_callback, $field_object->options );
380 -
381 - return $values_options !== $field_object_options;
382 - }
383 -
384 - /**
385 - * Maybe add item_name to $_POST to save it in items table.
386 - *
387 - * @since 5.2.02
388 - *
389 - * @param array|string $value Field value.
390 - * @param object $field Field object.
391 - *
392 - * @return void
393 - */
394 - private static function maybe_add_item_name( $value, $field ) {
395 - $item_name = false;
396 -
397 - if ( 'name' === $field->type ) {
398 - $field_obj = FrmFieldFactory::get_field_object( $field );
399 - $item_name = $field_obj->get_display_value( $value );
400 - } elseif ( 'text' === $field->type ) {
401 - $item_name = $value;
402 - }
403 -
404 - if ( false !== $item_name ) {
405 - // Item name has a max length of 255 characters so truncate it so it doesn't fail to save in the database.
406 - $_POST['item_name'] = substr( $item_name, 0, 255 );
407 - }
408 - }
409 -
410 - /**
411 136 * Set $value to an empty string if it matches its label
412 137 *
413 138 * @param object $field
414 139 * @param string $value
415 - *
416 - * @return void
417 140 */
418 141 private static function maybe_clear_value_for_default_blank_setting( $field, &$value ) {
419 142 $position = FrmField::get_option( $field, 'label' );
420 -
421 143 if ( ! $position ) {
422 144 $position = FrmStylesController::get_style_val( 'position', $field->form_id );
423 145 }
424 146
@@ -426,16 +148,8 @@
426 148 $value = '';
427 149 }
428 150 }
429 151
430 - /**
431 - * @param array $errors
432 - * @param object $posted_field
433 - * @param mixed $value
434 - * @param array $args
435 - *
436 - * @return void
437 - */
438 152 public static function validate_field_types( &$errors, $posted_field, $value, $args ) {
439 153 $field_obj = FrmFieldFactory::get_field_object( $posted_field );
440 154 $args['value'] = $value;
441 155 $args['errors'] = $errors;
@@ -440,41 +154,24 @@
440 154 $args['value'] = $value;
441 155 $args['errors'] = $errors;
442 156
443 157 $new_errors = $field_obj->validate( $args );
444 -
445 - if ( $new_errors ) {
158 + if ( ! empty( $new_errors ) ) {
446 159 $errors = array_merge( $errors, $new_errors );
447 160 }
448 161 }
449 162
450 - /**
451 - * @param array $errors
452 - * @param object $field
453 - * @param string $value
454 - * @param array $args
455 - *
456 - * @return void
457 - */
458 163 public static function validate_phone_field( &$errors, $field, $value, $args ) {
459 - $format_value = FrmField::get_option( $field, 'format' );
164 + if ( $field->type == 'phone' || ( $field->type == 'text' && FrmField::is_option_true_in_object( $field, 'format' ) ) ) {
460 165
461 - if ( $field->type !== 'phone' && ( $field->type !== 'text' || ! $format_value || FrmCurrencyHelper::is_currency_format( $format_value ) ) ) {
462 - return;
463 - }
166 + $pattern = self::phone_format( $field );
464 167
465 - $pattern = self::phone_format( $field );
466 -
467 - if ( ! preg_match( $pattern, $value ) ) {
468 - $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );
168 + if ( ! preg_match( $pattern, $value ) ) {
169 + $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );
170 + }
469 171 }
470 172 }
471 173
472 - /**
473 - * @param object $field
474 - *
475 - * @return string
476 - */
477 174 public static function phone_format( $field ) {
478 175 if ( FrmField::is_option_empty( $field, 'format' ) ) {
479 176 $pattern = self::default_phone_format();
480 177 } else {
@@ -480,25 +177,22 @@
480 177 } else {
481 178 $pattern = FrmField::get_option( $field, 'format' );
482 179 }
483 180
484 - // Ampersands are saved as &.
485 - // Reverse it here so we are checking for the correct character.
486 - $pattern = html_entity_decode( $pattern );
487 181 $pattern = apply_filters( 'frm_phone_pattern', $pattern, $field );
488 182
489 183 // Create a regexp if format is not already a regexp
490 - if ( ! str_starts_with( $pattern, '^' ) ) {
184 + if ( strpos( $pattern, '^' ) !== 0 ) {
491 185 $pattern = self::create_regular_expression_from_format( $pattern );
492 186 }
493 187
494 - return '/' . $pattern . '/';
188 + $pattern = '/' . $pattern . '/';
189 +
190 + return $pattern;
495 191 }
496 192
497 193 /**
498 194 * @since 3.01
499 - *
500 - * @return string
501 195 */
502 196 private static function default_phone_format() {
503 197 return '^((\+\d{1,3}(-|.| )?\(?\d\)?(-| |.)?\d{1,5})|(\(?\d{2,6}\)?))(-|.| )?(\d{3,4})(-|.| )?(\d{4})(( x| ext)\d{1,5}){0,1}$';
504 198 }
@@ -524,57 +218,44 @@
524 218 $pattern = str_replace( 'a', '[a-zA-Z]', $pattern );
525 219 $pattern = str_replace( '*', 'w', $pattern );
526 220 $pattern = str_replace( '/', '\/', $pattern );
527 221
528 - if ( str_contains( $pattern, '\?' ) ) {
222 + if ( strpos( $pattern, '\?' ) !== false ) {
529 223 $parts = explode( '\?', $pattern );
530 224 $pattern = '';
531 -
532 225 foreach ( $parts as $part ) {
533 - if ( $pattern ) {
226 + if ( empty( $pattern ) ) {
227 + $pattern .= $part;
228 + } else {
534 229 $pattern .= '(' . $part . ')?';
535 - } else {
536 - $pattern .= $part;
537 230 }
538 231 }
539 232 }
233 + $pattern = '^' . $pattern . '$';
540 234
541 - return '^' . $pattern . '$';
235 + return $pattern;
542 236 }
543 237
544 238 /**
545 - * Check for spam.
239 + * Check for spam
546 240 *
547 - * @param bool $exclude
241 + * @param boolean $exclude
548 242 * @param array $values
549 - * @param array $errors By reference.
550 - *
551 - * @return void
243 + * @param array $errors by reference
552 244 */
553 245 public static function spam_check( $exclude, $values, &$errors ) {
554 - if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
555 - // Do not check spam on importing.
246 + if ( ! empty( $exclude ) || ! isset( $values['item_meta'] ) || empty( $values['item_meta'] ) || ! empty( $errors ) ) {
247 + // only check spam if there are no other errors
556 248 return;
557 249 }
558 250
559 - if ( $exclude || empty( $values['item_meta'] ) || $errors ) {
560 - // Only check spam if there are no other errors
561 - return;
562 - }
563 -
564 251 $antispam_check = self::is_antispam_check( $values['form_id'] );
565 - $spam_msg = FrmAntiSpamController::get_default_spam_message();
566 -
567 252 if ( is_string( $antispam_check ) ) {
568 253 $errors['spam'] = $antispam_check;
569 254 } elseif ( self::is_honeypot_spam( $values ) || self::is_spam_bot() ) {
570 - $errors['spam'] = $spam_msg;
571 - } else {
572 - $is_spam = FrmAntiSpamController::is_spam( $values );
573 -
574 - if ( $is_spam ) {
575 - $errors['spam'] = $is_spam;
576 - }
255 + $errors['spam'] = __( 'Your entry appears to be spam!', 'formidable' );
256 + } elseif ( self::blacklist_check( $values ) ) {
257 + $errors['spam'] = __( 'Your entry appears to be blocked spam!', 'formidable' );
577 258 }
578 259
579 260 if ( isset( $errors['spam'] ) || self::form_is_in_progress( $values ) ) {
580 261 return;
@@ -590,23 +271,19 @@
590 271 *
591 272 * @since 5.0.13
592 273 *
593 274 * @param array $values The values.
594 - *
595 275 * @return bool
596 276 */
597 277 private static function form_is_in_progress( $values ) {
598 - // phpcs:disable Generic.WhiteSpace.ScopeIndent
599 278 return FrmAppHelper::pro_is_installed() &&
600 279 ( isset( $values[ 'frm_page_order_' . $values['form_id'] ] ) || FrmAppHelper::get_post_param( 'frm_next_page' ) ) &&
601 280 FrmField::get_all_types_in_form( $values['form_id'], 'break' );
602 - // phpcs:enable Generic.WhiteSpace.ScopeIndent
603 281 }
604 282
605 283 /**
606 284 * @param int $form_id
607 - *
608 - * @return bool|string
285 + * @return boolean
609 286 */
610 287 private static function is_antispam_check( $form_id ) {
611 288 $aspm = new FrmAntiSpam( $form_id );
612 289 return $aspm->validate();
@@ -613,10 +290,9 @@
613 290 }
614 291
615 292 /**
616 293 * @param array $values
617 - *
618 - * @return bool
294 + * @return boolean
619 295 */
620 296 private static function is_honeypot_spam( $values ) {
621 297 $honeypot = new FrmHoneypot( $values['form_id'] );
622 298 return ! $honeypot->validate();
@@ -622,51 +298,90 @@
622 298 return ! $honeypot->validate();
623 299 }
624 300
625 301 /**
626 - * @return bool
302 + * @return boolean
627 303 */
628 304 private static function is_spam_bot() {
629 - return ! FrmAppHelper::get_ip_address();
305 + $ip = FrmAppHelper::get_ip_address();
306 +
307 + return empty( $ip );
630 308 }
631 309
632 310 /**
633 311 * @param array $values
634 - *
635 - * @return bool
312 + * @return boolean
636 313 */
637 314 private static function is_akismet_spam( $values ) {
638 315 global $wpcom_api_key;
639 - return is_callable( 'Akismet::http_post' ) && ( get_option( 'wordpress_api_key' ) || $wpcom_api_key ) && self::akismet( $values );
316 +
317 + return ( is_callable( 'Akismet::http_post' ) && ( get_option( 'wordpress_api_key' ) || $wpcom_api_key ) && self::akismet( $values ) );
640 318 }
641 319
642 320 /**
643 321 * @param int $form_id
644 - *
645 322 * @return bool
646 323 */
647 324 private static function is_akismet_enabled_for_user( $form_id ) {
648 325 $form = FrmForm::getOne( $form_id );
649 - return ! empty( $form->options['akismet'] ) && ( $form->options['akismet'] !== 'logged' || ! is_user_logged_in() );
326 +
327 + return ( ! empty( $form->options['akismet'] ) && ( $form->options['akismet'] !== 'logged' || ! is_user_logged_in() ) );
650 328 }
651 329
330 + public static function blacklist_check( $values ) {
331 + if ( ! apply_filters( 'frm_check_blacklist', true, $values ) ) {
332 + return false;
333 + }
334 +
335 + $mod_keys = trim( self::get_disallowed_words() );
336 + if ( empty( $mod_keys ) ) {
337 + return false;
338 + }
339 +
340 + $content = FrmEntriesHelper::entry_array_to_string( $values );
341 + if ( empty( $content ) ) {
342 + return false;
343 + }
344 +
345 + self::prepare_values_for_spam_check( $values );
346 + $ip = FrmAppHelper::get_ip_address();
347 + $user_agent = FrmAppHelper::get_server_value( 'HTTP_USER_AGENT' );
348 + $user_info = self::get_spam_check_user_info( $values );
349 +
350 + return self::check_disallowed_words( $user_info['comment_author'], $user_info['comment_author_email'], $user_info['comment_author_url'], $content, $ip, $user_agent );
351 + }
352 +
652 353 /**
653 - * Checks spam using WordPress disallowed words and Frm denylist.
354 + * For WP 5.5 compatibility.
654 355 *
655 - * @param array $values Entry values.
356 + * @since 4.06.02
357 + */
358 + private static function check_disallowed_words( $author, $email, $url, $content, $ip, $user_agent ) {
359 + if ( function_exists( 'wp_check_comment_disallowed_list' ) ) {
360 + return wp_check_comment_disallowed_list( $author, $email, $url, $content, $ip, $user_agent );
361 + } else {
362 + return wp_blacklist_check( $author, $email, $url, $content, $ip, $user_agent );
363 + }
364 + }
365 +
366 + /**
367 + * For WP 5.5 compatibility.
656 368 *
657 - * @return bool
369 + * @since 4.06.02
658 370 */
659 - public static function blacklist_check( $values ) {
660 - return FrmAntiSpamController::contains_wp_disallowed_words( $values ) || FrmAntiSpamController::is_denylist_spam( $values );
371 + private static function get_disallowed_words() {
372 + $keys = get_option( 'disallowed_keys' );
373 + if ( false === $keys ) {
374 + // Fallback for WP < 5.5.
375 + $keys = get_option( 'blacklist_keys' );
376 + }
377 + return $keys;
661 378 }
662 379
663 380 /**
664 381 * Check entries for Akismet spam
665 382 *
666 - * @param array $values Entry values.
667 - *
668 - * @return bool true if is spam
383 + * @return boolean true if is spam
669 384 */
670 385 public static function akismet( $values ) {
671 386 if ( empty( $values['item_meta'] ) ) {
672 387 return false;
@@ -688,18 +403,13 @@
688 403
689 404 $query_string = _http_build_query( $datas, '', '&' );
690 405 $response = Akismet::http_post( $query_string, 'comment-check' );
691 406
692 - return is_array( $response ) && $response[1] === 'true';
407 + return ( is_array( $response ) && $response[1] == 'true' );
693 408 }
694 409
695 410 /**
696 411 * @since 2.0
697 - *
698 - * @param array $datas The array of values being sent to Akismet.
699 - * @param array $values Entry values.
700 - *
701 - * @return void
702 412 */
703 413 private static function parse_akismet_array( &$datas, $values ) {
704 414 self::add_site_info_to_akismet( $datas );
705 415 self::add_server_values_to_akismet( $datas );
@@ -704,19 +414,13 @@
704 414 self::add_site_info_to_akismet( $datas );
705 415 self::add_server_values_to_akismet( $datas );
706 416
707 417 self::prepare_values_for_spam_check( $values );
708 - self::skip_adding_values_to_akismet( $values );
709 418
710 419 self::add_user_info_to_akismet( $datas, $values );
711 420 self::add_comment_content_to_akismet( $datas, $values );
712 421 }
713 422
714 - /**
715 - * @param array $datas
716 - *
717 - * @return void
718 - */
719 423 private static function add_site_info_to_akismet( &$datas ) {
720 424 $datas['blog'] = FrmAppHelper::site_url();
721 425 $datas['user_ip'] = preg_replace( '/[^0-9., ]/', '', FrmAppHelper::get_ip_address() );
722 426 $datas['user_agent'] = FrmAppHelper::get_server_value( 'HTTP_USER_AGENT' );
@@ -728,14 +432,8 @@
728 432 $datas['is_test'] = 'true';
729 433 }
730 434 }
731 435
732 - /**
733 - * @param array $datas
734 - * @param array $values
735 - *
736 - * @return void
737 - */
738 436 private static function add_user_info_to_akismet( &$datas, $values ) {
739 437 $user_info = self::get_spam_check_user_info( $values );
740 438 $datas = $datas + $user_info;
741 439
@@ -747,15 +445,13 @@
747 445 /**
748 446 * Gets user info for Akismet spam check.
749 447 *
750 448 * @since 5.0.13 Separate code for guest. Handle value of embedded|repeater.
751 - * @since 6.21 This changed from private to public.
752 449 *
753 450 * @param array $values Entry values after running through {@see FrmEntryValidate::prepare_values_for_spam_check()}.
754 - *
755 451 * @return array
756 452 */
757 - public static function get_spam_check_user_info( $values ) {
453 + private static function get_spam_check_user_info( $values ) {
758 454 if ( ! is_user_logged_in() ) {
759 455 return self::get_spam_check_user_info_for_guest( $values );
760 456 }
761 457
@@ -775,9 +471,8 @@
775 471 *
776 472 * @since 5.0.13
777 473 *
778 474 * @param array $values Entry values after flattened.
779 - *
780 475 * @return array
781 476 */
782 477 private static function get_spam_check_user_info_for_guest( $values ) {
783 478 $datas = array(
@@ -809,16 +504,13 @@
809 504 *
810 505 * @param array $datas Guest data.
811 506 * @param array $values The values.
812 507 * @param int|null $custom_index Custom index (or field ID).
813 - *
814 - * @return void
815 508 */
816 509 private static function recursive_add_akismet_guest_info( &$datas, $values, $custom_index = null ) {
817 510 foreach ( $values as $index => $value ) {
818 511 if ( ! $datas['missing_keys'] ) {
819 - // Found all info.
820 - return;
512 + return; // Found all info.
821 513 }
822 514
823 515 if ( is_array( $value ) ) {
824 516 self::recursive_add_akismet_guest_info( $datas, $value, $index );
@@ -825,21 +517,17 @@
825 517 continue;
826 518 }
827 519
828 520 $field_id = ! is_null( $custom_index ) ? $custom_index : $index;
829 -
830 521 foreach ( $datas['missing_keys'] as $key_index => $key ) {
831 - $found = self::is_akismet_guest_info_value( $key, $value, $field_id, $datas['name_field_ids'], $values );
832 -
833 - if ( ! $found ) {
834 - continue;
522 + $found = self::is_akismet_guest_info_value( $key, $value, $field_id, $datas['name_field_ids'] );
523 + if ( $found ) {
524 + $datas[ $key ] = $value;
525 + $datas['frm_duplicated'][] = $field_id;
526 + unset( $datas['missing_keys'][ $key_index ] );
835 527 }
836 -
837 - $datas[ $key ] = $value;
838 - $datas['frm_duplicated'][] = $field_id;
839 - unset( $datas['missing_keys'][ $key_index ] );
840 528 }
841 - }//end foreach
529 + }
842 530 }
843 531
844 532 /**
845 533 * Checks if given value is an akismet guest info.
@@ -849,13 +537,11 @@
849 537 * @param string $key Guest info key.
850 538 * @param string $value Value to check.
851 539 * @param int $field_id Field ID.
852 540 * @param array $name_field_ids Name field IDs.
853 - * @param array $values Array of posted values.
854 - *
855 541 * @return bool
856 542 */
857 - private static function is_akismet_guest_info_value( $key, &$value, $field_id, $name_field_ids, $values ) {
543 + private static function is_akismet_guest_info_value( $key, $value, $field_id, $name_field_ids ) {
858 544 if ( ! $value || is_numeric( $value ) ) {
859 545 return false;
860 546 }
861 547
@@ -860,79 +546,24 @@
860 546 }
861 547
862 548 switch ( $key ) {
863 549 case 'comment_author_email':
864 - return str_contains( $value, '@' ) && is_email( $value );
550 + return strpos( $value, '@' ) && is_email( $value );
865 551
866 552 case 'comment_author_url':
867 - return str_starts_with( $value, 'http' );
553 + return 0 === strpos( $value, 'http' );
868 554
869 555 case 'comment_author':
870 - if ( $name_field_ids && in_array( $field_id, $name_field_ids, true ) ) {
556 + if ( $name_field_ids ) {
871 557 // If there is name field in the form, we should always use it as author name.
872 - return true;
558 + return in_array( $field_id, $name_field_ids, true );
873 559 }
560 + return strlen( $value ) < 200;
561 + }
874 562
875 - $form_id = FrmAppHelper::get_post_param( 'form_id', 0, 'absint' );
876 - $fields = self::get_name_text_fields( $form_id );
877 -
878 - foreach ( $fields as $index => $field ) {
879 - if ( 'Name' !== $field->name ) {
880 - continue;
881 - }
882 -
883 - if ( isset( $fields[ $index + 1 ] ) && 'Last' === $fields[ $index + 1 ]->name ) {
884 - if ( empty( $values[ absint( $fields[ $index + 1 ]->id ) ] ) ) {
885 - continue;
886 - }
887 -
888 - $value .= ' ' . $values[ $fields[ $index + 1 ]->id ];
889 - return true;
890 - }
891 - }
892 - }//end switch
893 -
894 563 return false;
895 564 }
896 565
897 - /**
898 - * Returns fields that have 'Name' and 'Last' as their name.
899 - *
900 - * @since 6.17
901 - *
902 - * @param int $form_id
903 - *
904 - * @return array
905 - */
906 - private static function get_name_text_fields( $form_id ) {
907 - $name_text_fields_is_initialized = is_array( self::$name_text_fields );
908 -
909 - if ( $name_text_fields_is_initialized && isset( self::$name_text_fields[ $form_id ] ) ) {
910 - return self::$name_text_fields[ $form_id ];
911 - }
912 -
913 - if ( ! $name_text_fields_is_initialized ) {
914 - self::$name_text_fields = array();
915 - }
916 - self::$name_text_fields[ $form_id ] = FrmDb::get_results(
917 - 'frm_fields',
918 - array(
919 - 'form_id' => $form_id,
920 - 'type' => 'text',
921 - 'name' => array( 'Name', 'Last' ),
922 - ),
923 - 'id,name',
924 - array( 'order_by' => 'field_order ASC' )
925 - );
926 -
927 - return self::$name_text_fields[ $form_id ];
928 - }
929 -
930 - /**
931 - * @param array $datas
932 - *
933 - * @return void
934 - */
935 566 private static function add_server_values_to_akismet( &$datas ) {
936 567 foreach ( $_SERVER as $key => $value ) {
937 568 $include_value = is_string( $value ) && ! preg_match( '/^HTTP_COOKIE/', $key ) && preg_match( '/^(HTTP_|REMOTE_ADDR|REQUEST_URI|DOCUMENT_URI)/', $key );
938 569
@@ -950,10 +581,8 @@
950 581 * @since 5.0.09
951 582 *
952 583 * @param array $datas The array of values being sent to Akismet.
953 584 * @param array $values Entry values.
954 - *
955 - * @return void
956 585 */
957 586 private static function add_comment_content_to_akismet( &$datas, $values ) {
958 587 if ( isset( $datas['frm_duplicated'] ) ) {
959 588 foreach ( $datas['frm_duplicated'] as $index ) {
@@ -965,8 +594,10 @@
965 594 }
966 595 unset( $datas['frm_duplicated'] );
967 596 }
968 597
598 + self::skip_adding_values_to_akismet( $values );
599 +
969 600 $datas['comment_content'] = FrmEntriesHelper::entry_array_to_string( $values );
970 601 }
971 602
972 603 /**
@@ -974,87 +605,25 @@
974 605 *
975 606 * @since 5.0.09
976 607 *
977 608 * @param array $values Entry values.
978 - *
979 - * @return void
980 609 */
981 610 private static function skip_adding_values_to_akismet( &$values ) {
982 - $skipped_fields = self::get_akismet_skipped_field_ids( $values );
983 -
984 - foreach ( $skipped_fields as $skipped_field ) {
985 - if ( ! isset( $values['item_meta'][ $skipped_field->id ] ) ) {
986 - continue;
611 + $skipped_field_ids = self::get_akismet_skipped_field_ids( $values );
612 + foreach ( $skipped_field_ids as $field_id ) {
613 + if ( isset( $values['item_meta'][ $field_id ] ) ) {
614 + unset( $values['item_meta'][ $field_id ] );
987 615 }
988 -
989 - if ( ! self::should_really_skip_field( $skipped_field, $values ) ) {
990 - continue;
991 - }
992 -
993 - unset( $values['item_meta'][ $skipped_field->id ] );
994 -
995 - if ( isset( $values['item_meta']['other'][ $skipped_field->id ] ) ) {
996 - unset( $values['item_meta']['other'][ $skipped_field->id ] );
997 - }
998 616 }
999 617 }
1000 618
1001 619 /**
1002 - * Checks if a skip field should be really skipped.
1003 - *
1004 - * @since 5.02.04
1005 - *
1006 - * @param object $field_data Object contains `id` and `options`.
1007 - * @param array $values Entry values.
1008 - *
1009 - * @return bool
1010 - */
1011 - private static function should_really_skip_field( $field_data, $values ) {
1012 - if ( empty( $field_data->options ) ) {
1013 - // This is skipped field types.
1014 - return true;
1015 - }
1016 -
1017 - FrmAppHelper::unserialize_or_decode( $field_data->options );
1018 -
1019 - if ( ! $field_data->options ) {
1020 - // Check if an error happens when unserializing, or empty options.
1021 - return true;
1022 - }
1023 -
1024 - $last_key = array_key_last( $field_data->options );
1025 -
1026 - // If a choice field has no Other option.
1027 - if ( is_numeric( $last_key ) || ! str_starts_with( $last_key, 'other_' ) ) {
1028 - return true;
1029 - }
1030 -
1031 - // If a choice field has Other option, but Other is not selected.
1032 - if ( empty( $values['item_meta']['other'][ $field_data->id ] ) ) {
1033 - return true;
1034 - }
1035 -
1036 - // Check if submitted value is same as one of field option.
1037 - foreach ( $field_data->options as $option ) {
1038 - $option_value = is_array( $option ) ? ( $option['value'] ?? '' ) : $option;
1039 -
1040 - if ( $values['item_meta']['other'][ $field_data->id ] === $option_value ) {
1041 - return true;
1042 - }
1043 - }
1044 -
1045 - return false;
1046 - }
1047 -
1048 - /**
1049 620 * Gets field IDs that are skipped from sending to Akismet spam check.
1050 621 *
1051 622 * @since 5.0.09
1052 623 * @since 5.0.13 Move out get_all_form_ids_and_flatten_meta() call and get `form_ids` from `$values`.
1053 - * @since 5.2.04 This method returns array of object contains `id` and `options` instead of array of `id` only.
1054 624 *
1055 625 * @param array $values Entry values after running through {@see FrmEntryValidate::prepare_values_for_spam_check()}.
1056 - *
1057 626 * @return array
1058 627 */
1059 628 private static function get_akismet_skipped_field_ids( $values ) {
1060 629 if ( empty( $values['form_ids'] ) ) {
@@ -1066,13 +635,20 @@
1066 635
1067 636 $where = array(
1068 637 array(
1069 638 'form_id' => $values['form_ids'],
1070 - 'type' => array_merge( $skipped_types, $has_other_types ),
639 + array(
640 + array(
641 + 'field_options not like' => ';s:5:"other";s:1:"1"',
642 + 'type' => $has_other_types,
643 + ),
644 + 'or' => 1,
645 + 'type' => $skipped_types,
646 + ),
1071 647 ),
1072 648 );
1073 649
1074 - return FrmDb::get_results( 'frm_fields', $where, 'id,options' );
650 + return FrmDb::get_col( 'frm_fields', $where );
1075 651 }
1076 652
1077 653 /**
1078 654 * Prepares values array for spam check.
@@ -1077,16 +653,14 @@
1077 653 /**
1078 654 * Prepares values array for spam check.
1079 655 *
1080 656 * @since 5.0.13
1081 - * @since 6.21 This changed from private to public.
1082 657 *
1083 658 * @param array $values Entry values.
1084 - *
1085 - * @return void
1086 659 */
1087 - public static function prepare_values_for_spam_check( &$values ) {
1088 - $values['form_ids'] = self::get_all_form_ids_and_flatten_meta( $values );
660 + private static function prepare_values_for_spam_check( &$values ) {
661 + $form_ids = self::get_all_form_ids_and_flatten_meta( $values );
662 + $values['form_ids'] = $form_ids;
1089 663 }
1090 664
1091 665 /**
1092 666 * Gets all form IDs (include child form IDs) and flatten item_meta array. Used for skipping values sent to Akismet.
@@ -1095,20 +669,17 @@
1095 669 * @since 5.0.09
1096 670 * @since 5.0.13 Convert name field value to string.
1097 671 *
1098 672 * @param array $values Entry values.
1099 - *
1100 673 * @return array Form IDs.
1101 674 */
1102 - private static function get_all_form_ids_and_flatten_meta( &$values ) { // phpcs:ignore SlevomatCodingStandard.Complexity.Cognitive.ComplexityTooHigh
675 + private static function get_all_form_ids_and_flatten_meta( &$values ) {
1103 676 $values['name_field_ids'] = array();
1104 677
1105 678 // Blacklist check for File field in the old version doesn't contain `form_id`.
1106 679 $form_ids = isset( $values['form_id'] ) ? array( absint( $values['form_id'] ) ) : array();
1107 -
1108 680 foreach ( $values['item_meta'] as $field_id => $value ) {
1109 - if ( ! is_numeric( $field_id ) ) {
1110 - // Maybe `other`.
681 + if ( ! is_numeric( $field_id ) ) { // Maybe `other`.
1111 682 continue;
1112 683 }
1113 684
1114 685 // Convert name array to string.
@@ -1139,20 +710,51 @@
1139 710 }
1140 711
1141 712 // Convert name array to string.
1142 713 if ( isset( $subsubvalue['first'] ) && isset( $subsubvalue['last'] ) ) {
1143 - $subsubvalue = trim( implode( ' ', $subsubvalue ) );
714 + $subsubvalue = trim( implode( ' ', $subsubvalue ) );
715 +
1144 716 $values['name_field_ids'][] = $subsubindex;
1145 717 }
1146 718
1147 - if ( is_array( $values['item_meta'][ $subsubindex ] ) ) {
1148 - $values['item_meta'][ $subsubindex ][] = $subsubvalue;
1149 - }
719 + $values['item_meta'][ $subsubindex ][] = $subsubvalue;
1150 720 }
1151 - }//end foreach
721 + }
1152 722
1153 723 unset( $values['item_meta'][ $field_id ] );
1154 - }//end foreach
724 + }
1155 725
1156 726 return $form_ids;
727 + }
728 +
729 + /**
730 + * @deprecated 3.0
731 + * @codeCoverageIgnore
732 + */
733 + public static function validate_url_field( &$errors, $field, $value, $args ) {
734 + FrmDeprecated::validate_url_field( $errors, $field, $value, $args );
735 + }
736 +
737 + /**
738 + * @deprecated 3.0
739 + * @codeCoverageIgnore
740 + */
741 + public static function validate_email_field( &$errors, $field, $value, $args ) {
742 + FrmDeprecated::validate_email_field( $errors, $field, $value, $args );
743 + }
744 +
745 + /**
746 + * @deprecated 3.0
747 + * @codeCoverageIgnore
748 + */
749 + public static function validate_number_field( &$errors, $field, $value, $args ) {
750 + FrmDeprecated::validate_number_field( $errors, $field, $value, $args );
751 + }
752 +
753 + /**
754 + * @deprecated 3.0
755 + * @codeCoverageIgnore
756 + */
757 + public static function validate_recaptcha( &$errors, $field, $args ) {
758 + FrmDeprecated::validate_recaptcha( $errors, $field, $args );
1157 759 }
1158 760 }