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Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More / 5.2.02
Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More v5.2.02
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← All changes | classes/models/FrmEntryValidate.php +168 -543 6.285.2.02 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 +9,17 @@
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
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' ) ) ) {
31 18 $frm_settings = FrmAppHelper::get_settings();
32 19 $errors['form'] = $frm_settings->admin_permission;
33 20 }
34 21
35 - self::maybe_fix_item_meta();
36 22 self::set_item_key( $values );
37 23
38 24 $posted_fields = self::get_fields_to_validate( $values, $exclude );
39 25
@@ -44,9 +30,9 @@
44 30 self::validate_field( $posted_field, $errors, $values, $args );
45 31 unset( $posted_field );
46 32 }
47 33
48 - if ( ! $errors ) {
34 + if ( empty( $errors ) ) {
49 35 self::spam_check( $exclude, $values, $errors );
50 36 }
51 37
52 38 /**
@@ -57,41 +43,14 @@
57 43 * @param array $errors Errors data.
58 44 * @param array $values Value data of the form.
59 45 * @param array $args Custom arguments. Contains `exclude` and `posted_fields`.
60 46 */
61 - $filtered_errors = apply_filters( 'frm_validate_entry', $errors, $values, compact( 'exclude', 'posted_fields' ) );
47 + $errors = apply_filters( 'frm_validate_entry', $errors, $values, compact( 'exclude', 'posted_fields' ) );
62 48
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 49 return $errors;
70 50 }
71 51
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 $values
89 - *
90 - * @return void
91 - */
92 52 private static function set_item_key( &$values ) {
93 - // phpcs:ignore Universal.Operators.StrictComparisons
94 53 if ( ! isset( $values['item_key'] ) || $values['item_key'] == '' ) {
95 54 global $wpdb;
96 55 $values['item_key'] = FrmAppHelper::get_unique_key( '', $wpdb->prefix . 'frm_items', 'item_key' );
97 56 $_POST['item_key'] = $values['item_key'];
@@ -97,14 +56,8 @@
97 56 $_POST['item_key'] = $values['item_key'];
98 57 }
99 58 }
100 59
101 - /**
102 - * @param array $values
103 - * @param array|string $exclude
104 - *
105 - * @return array
106 - */
107 60 private static function get_fields_to_validate( $values, $exclude ) {
108 61 $where = apply_filters( 'frm_posted_field_ids', array( 'fi.form_id' => $values['form_id'] ) );
109 62
110 63 // Don't get subfields
@@ -110,9 +63,9 @@
110 63 // Don't get subfields
111 64 $where['fr.parent_form_id'] = array( null, 0 );
112 65
113 66 // Don't get excluded fields (like file upload fields in the ajax validation)
114 - if ( $exclude ) {
67 + if ( ! empty( $exclude ) ) {
115 68 $where['fi.type not'] = $exclude;
116 69 }
117 70
118 71 $fields = FrmField::getAll( $where, 'field_order' );
@@ -127,29 +80,23 @@
127 80 */
128 81 return apply_filters( 'frm_fields_to_validate', $fields, compact( 'values', 'exclude', 'where' ) );
129 82 }
130 83
131 - /**
132 - * @param object $posted_field
133 - * @param array $errors
134 - * @param array $values
135 - * @param array $args
136 - *
137 - * @return void
138 - */
139 84 public static function validate_field( $posted_field, &$errors, $values, $args = array() ) {
140 85 $defaults = array(
141 86 'id' => $posted_field->id,
142 - // The id of the repeat or embed form.
143 - 'parent_field_id' => '',
144 - // The pointer in the posted array.
145 - 'key_pointer' => '',
146 - // Exclude these field types from validation.
147 - 'exclude' => array(),
87 + 'parent_field_id' => '', // the id of the repeat or embed form
88 + 'key_pointer' => '', // the pointer in the posted array
89 + 'exclude' => array(), // exclude these field types from validation
90 + );
91 + $args = wp_parse_args( $args, $defaults );
148 92
149 - );
150 - $args = wp_parse_args( $args, $defaults );
151 - $value = empty( $args['parent_field_id'] ) ? ( $values['item_meta'][ $args['id'] ] ?? '' ) : $values;
93 + if ( empty( $args['parent_field_id'] ) ) {
94 + $value = isset( $values['item_meta'][ $args['id'] ] ) ? $values['item_meta'][ $args['id'] ] : '';
95 + } else {
96 + // value is from a nested form
97 + $value = $values;
98 + }
152 99
153 100 // Check for values in "Other" fields
154 101 FrmEntriesHelper::maybe_set_other_validation( $posted_field, $value, $args );
155 102
@@ -154,10 +101,9 @@
154 101 FrmEntriesHelper::maybe_set_other_validation( $posted_field, $value, $args );
155 102
156 103 self::maybe_clear_value_for_default_blank_setting( $posted_field, $value );
157 104
158 - $should_trim = is_array( $value ) && count( $value ) === 1 && isset( $value[0] ) && $posted_field->type !== 'checkbox';
159 -
105 + $should_trim = is_array( $value ) && count( $value ) == 1 && isset( $value[0] ) && $posted_field->type !== 'checkbox';
160 106 if ( $should_trim ) {
161 107 $value = reset( $value );
162 108 }
163 109
@@ -164,9 +110,8 @@
164 110 if ( ! is_array( $value ) ) {
165 111 $value = trim( $value );
166 112 }
167 113
168 - // phpcs:ignore Universal.Operators.StrictComparisons
169 114 if ( $posted_field->required == '1' && FrmAppHelper::is_empty_value( $value ) ) {
170 115 $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $posted_field, 'blank' );
171 116 } elseif ( ! isset( $_POST['item_name'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
172 117 self::maybe_add_item_name( $value, $posted_field );
@@ -173,9 +118,8 @@
173 118 }
174 119
175 120 FrmEntriesHelper::set_posted_value( $posted_field, $value, $args );
176 121
177 - self::validate_options( $errors, $posted_field, $value, $args );
178 122 self::validate_field_types( $errors, $posted_field, $value, $args );
179 123
180 124 // Field might want to modify value before other parts of the system
181 125 // e.g. trim off excess values like in the case of fields with limit.
@@ -180,9 +124,8 @@
180 124 // Field might want to modify value before other parts of the system
181 125 // e.g. trim off excess values like in the case of fields with limit.
182 126 $value = apply_filters( 'frm_modify_posted_field_value', $value, $errors, $posted_field, $args );
183 127
184 - // phpcs:ignore Universal.Operators.StrictComparisons
185 128 if ( $value != '' ) {
186 129 self::validate_phone_field( $errors, $posted_field, $value, $args );
187 130 }
188 131
@@ -187,212 +130,19 @@
187 130 }
188 131
189 132 $errors = apply_filters( 'frm_validate_' . $posted_field->type . '_field_entry', $errors, $posted_field, $value, $args );
190 133 $errors = apply_filters( 'frm_validate_field_entry', $errors, $posted_field, $value, $args );
191 -
192 - if ( ! FrmAppHelper::pro_is_installed() && empty( $args['other'] ) ) {
193 - FrmEntriesHelper::get_posted_value( $posted_field, $value, $args );
194 - }
195 134 }
196 135
197 136 /**
198 - * @since 6.21
199 - *
200 - * @param array $errors
201 - * @param object $posted_field
202 - * @param array|string $value
203 - * @param array $args
204 - *
205 - * @return void
206 - */
207 - private static function validate_options( &$errors, $posted_field, $value, $args ) {
208 - if ( empty( $posted_field->options ) ) {
209 - return;
210 - }
211 -
212 - $option_is_valid = self::option_is_valid( $posted_field, $value, $posted_field->options );
213 -
214 - /**
215 - * @since 6.21
216 - *
217 - * @param bool $option_is_valid
218 - * @param array|string $value
219 - * @param object $field
220 - */
221 - $option_is_valid = (bool) apply_filters( 'frm_option_is_valid', $option_is_valid, $value, $posted_field );
222 -
223 - if ( ! $option_is_valid ) {
224 - $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $posted_field, 'invalid' );
225 - }
226 - }
227 -
228 - /**
229 - * Validate that value matches one of the options for the field.
230 - *
231 - * @since 6.21
232 - *
233 - * @param stdClass $field
234 - * @param array|string $value
235 - * @param array $options
236 - *
237 - * @return bool
238 - */
239 - private static function option_is_valid( $field, $value, $options ) { // phpcs:ignore SlevomatCodingStandard.Complexity.Cognitive.ComplexityTooHigh
240 - if ( '' === $value ) {
241 - return true;
242 - }
243 -
244 - $field_object = FrmFieldFactory::get_field_type( $field->type, $field );
245 -
246 - if ( ! $field_object->field_type_has_options_settings() ) {
247 - return true;
248 - }
249 -
250 - if ( in_array( $field->type, array( 'likert', 'ranking' ), true ) ) {
251 - // Ignore these field types automatically.
252 - return true;
253 - }
254 -
255 - if ( 'product' === $field->type && 'user_def' === FrmField::get_option( $field, 'data_type' ) ) {
256 - return true;
257 - }
258 -
259 - if ( ! empty( $field->field_options['post_field'] ) ) {
260 - return true;
261 - }
262 -
263 - $value = (array) $value;
264 -
265 - foreach ( $value as $current_value ) {
266 - $match = false;
267 -
268 - foreach ( $options as $key => $option ) {
269 - if ( str_starts_with( $key, 'other_' ) ) {
270 - // Always return true if an other option is found.
271 - return true;
272 - }
273 -
274 - if ( is_array( $option ) ) {
275 - $separate_value = FrmField::get_option( $field, 'separate_value' );
276 - $option_value = $separate_value ? $option['value'] : $option['label'];
277 - } else {
278 - $option_value = $option;
279 - }
280 -
281 - /**
282 - * @var string $current_value
283 - */
284 - $match = trim( $current_value ) === trim( $option_value );
285 -
286 - if ( $match ) {
287 - break;
288 - }
289 -
290 - $match = trim( $current_value ) === trim( do_shortcode( $option_value ) );
291 -
292 - if ( $match ) {
293 - break;
294 - }
295 -
296 - $match = self::is_filtered_match( $current_value, $option_value );
297 -
298 - if ( $match ) {
299 - break;
300 - }
301 -
302 - if ( ! is_numeric( $current_value ) ) {
303 - continue;
304 - }
305 -
306 - $match = (int) $current_value === (int) $option_value;
307 -
308 - if ( $match ) {
309 - break;
310 - }
311 - }//end foreach
312 -
313 - if ( ! $match ) {
314 - return self::options_are_dynamic_based_on_hook( $field, $value );
315 - }
316 - }//end foreach
317 -
318 - return true;
319 - }
320 -
321 - /**
322 - * Make an extra check after passing $option_value through the_content filter.
323 - * This is to help catch cases where the option's formatting has been modified using
324 - * the_content filter.
325 - *
326 - * @since 6.22
327 - *
328 - * @param string $value
329 - * @param string $option_value
330 - *
331 - * @return bool
332 - */
333 - private static function is_filtered_match( $value, $option_value ) {
334 - // First remove the wpautop filter so it doesn't add extra tags to $option_value.
335 - $filter_priority = has_filter( 'the_content', 'wpautop' );
336 -
337 - if ( is_numeric( $filter_priority ) ) {
338 - remove_filter( 'the_content', 'wpautop', $filter_priority );
339 - }
340 -
341 - $filtered_option = apply_filters( 'the_content', $option_value );
342 -
343 - if ( is_numeric( $filter_priority ) ) {
344 - add_filter( 'the_content', 'wpautop', $filter_priority );
345 - }
346 -
347 - return trim( $value ) === trim( $filtered_option );
348 - }
349 -
350 - /**
351 - * Do not validate options if they have been modified with a hook.
352 - * This is to help avoid issues where the options could be based on a URL param for example.
353 - *
354 - * @since 6.21
355 - *
356 - * @param object $field_object The field object.
357 - * @param array|string $value The value to validate.
358 - *
359 - * @return bool
360 - */
361 - private static function options_are_dynamic_based_on_hook( $field_object, $value ) {
362 - $values = (array) $field_object;
363 - $values['value'] = $value;
364 - FrmFieldsHelper::prepare_new_front_field( $values, $field_object );
365 -
366 - $separate_value = FrmField::get_option( $field_object, 'separate_value' );
367 - $map_callback = function ( $option ) use ( $separate_value ) {
368 - if ( is_array( $option ) ) {
369 - $option_value = $separate_value ? $option['value'] : $option['label'];
370 - } else {
371 - $option_value = $option;
372 - }
373 - return do_shortcode( $option_value );
374 - };
375 -
376 - $values_options = array_map( $map_callback, $values['options'] );
377 - $field_object_options = array_map( $map_callback, $field_object->options );
378 -
379 - return $values_options !== $field_object_options;
380 - }
381 -
382 - /**
383 137 * Maybe add item_name to $_POST to save it in items table.
384 138 *
385 139 * @since 5.2.02
386 140 *
387 - * @param array|string $value Field value.
388 - * @param object $field Field object.
389 - *
390 - * @return void
141 + * @param object $field Field object.
391 142 */
392 143 private static function maybe_add_item_name( $value, $field ) {
393 144 $item_name = false;
394 -
395 145 if ( 'name' === $field->type ) {
396 146 $field_obj = FrmFieldFactory::get_field_object( $field );
397 147 $item_name = $field_obj->get_display_value( $value );
398 148 } elseif ( 'text' === $field->type ) {
@@ -399,10 +149,9 @@
399 149 $item_name = $value;
400 150 }
401 151
402 152 if ( false !== $item_name ) {
403 - // Item name has a max length of 255 characters so truncate it so it doesn't fail to save in the database.
404 - $_POST['item_name'] = substr( $item_name, 0, 255 );
153 + $_POST['item_name'] = $item_name;
405 154 }
406 155 }
407 156
408 157 /**
@@ -409,14 +158,11 @@
409 158 * Set $value to an empty string if it matches its label
410 159 *
411 160 * @param object $field
412 161 * @param string $value
413 - *
414 - * @return void
415 162 */
416 163 private static function maybe_clear_value_for_default_blank_setting( $field, &$value ) {
417 164 $position = FrmField::get_option( $field, 'label' );
418 -
419 165 if ( ! $position ) {
420 166 $position = FrmStylesController::get_style_val( 'position', $field->form_id );
421 167 }
422 168
@@ -424,16 +170,8 @@
424 170 $value = '';
425 171 }
426 172 }
427 173
428 - /**
429 - * @param array $errors
430 - * @param object $posted_field
431 - * @param mixed $value
432 - * @param array $args
433 - *
434 - * @return void
435 - */
436 174 public static function validate_field_types( &$errors, $posted_field, $value, $args ) {
437 175 $field_obj = FrmFieldFactory::get_field_object( $posted_field );
438 176 $args['value'] = $value;
439 177 $args['errors'] = $errors;
@@ -438,41 +176,24 @@
438 176 $args['value'] = $value;
439 177 $args['errors'] = $errors;
440 178
441 179 $new_errors = $field_obj->validate( $args );
442 -
443 - if ( $new_errors ) {
180 + if ( ! empty( $new_errors ) ) {
444 181 $errors = array_merge( $errors, $new_errors );
445 182 }
446 183 }
447 184
448 - /**
449 - * @param array $errors
450 - * @param object $field
451 - * @param string $value
452 - * @param array $args
453 - *
454 - * @return void
455 - */
456 185 public static function validate_phone_field( &$errors, $field, $value, $args ) {
457 - $format_value = FrmField::get_option( $field, 'format' );
186 + if ( $field->type == 'phone' || ( $field->type == 'text' && FrmField::is_option_true_in_object( $field, 'format' ) ) ) {
458 187
459 - if ( $field->type !== 'phone' && ( $field->type !== 'text' || ! $format_value || FrmCurrencyHelper::is_currency_format( $format_value ) ) ) {
460 - return;
461 - }
188 + $pattern = self::phone_format( $field );
462 189
463 - $pattern = self::phone_format( $field );
464 -
465 - if ( ! preg_match( $pattern, $value ) ) {
466 - $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );
190 + if ( ! preg_match( $pattern, $value ) ) {
191 + $errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );
192 + }
467 193 }
468 194 }
469 195
470 - /**
471 - * @param object $field
472 - *
473 - * @return string
474 - */
475 196 public static function phone_format( $field ) {
476 197 if ( FrmField::is_option_empty( $field, 'format' ) ) {
477 198 $pattern = self::default_phone_format();
478 199 } else {
@@ -478,25 +199,22 @@
478 199 } else {
479 200 $pattern = FrmField::get_option( $field, 'format' );
480 201 }
481 202
482 - // Ampersands are saved as &.
483 - // Reverse it here so we are checking for the correct character.
484 - $pattern = html_entity_decode( $pattern );
485 203 $pattern = apply_filters( 'frm_phone_pattern', $pattern, $field );
486 204
487 205 // Create a regexp if format is not already a regexp
488 - if ( ! str_starts_with( $pattern, '^' ) ) {
206 + if ( strpos( $pattern, '^' ) !== 0 ) {
489 207 $pattern = self::create_regular_expression_from_format( $pattern );
490 208 }
491 209
492 - return '/' . $pattern . '/';
210 + $pattern = '/' . $pattern . '/';
211 +
212 + return $pattern;
493 213 }
494 214
495 215 /**
496 216 * @since 3.01
497 - *
498 - * @return string
499 217 */
500 218 private static function default_phone_format() {
501 219 return '^((\+\d{1,3}(-|.| )?\(?\d\)?(-| |.)?\d{1,5})|(\(?\d{2,6}\)?))(-|.| )?(\d{3,4})(-|.| )?(\d{4})(( x| ext)\d{1,5}){0,1}$';
502 220 }
@@ -522,14 +240,13 @@
522 240 $pattern = str_replace( 'a', '[a-zA-Z]', $pattern );
523 241 $pattern = str_replace( '*', 'w', $pattern );
524 242 $pattern = str_replace( '/', '\/', $pattern );
525 243
526 - if ( str_contains( $pattern, '\?' ) ) {
244 + if ( strpos( $pattern, '\?' ) !== false ) {
527 245 $parts = explode( '\?', $pattern );
528 246 $pattern = '';
529 -
530 247 foreach ( $parts as $part ) {
531 - if ( ! $pattern ) {
248 + if ( empty( $pattern ) ) {
532 249 $pattern .= $part;
533 250 } else {
534 251 $pattern .= '(' . $part . ')?';
535 252 }
@@ -534,45 +251,33 @@
534 251 $pattern .= '(' . $part . ')?';
535 252 }
536 253 }
537 254 }
255 + $pattern = '^' . $pattern . '$';
538 256
539 - return '^' . $pattern . '$';
257 + return $pattern;
540 258 }
541 259
542 260 /**
543 - * Check for spam.
261 + * Check for spam
544 262 *
545 - * @param bool $exclude
263 + * @param boolean $exclude
546 264 * @param array $values
547 - * @param array $errors By reference.
548 - *
549 - * @return void
265 + * @param array $errors by reference
550 266 */
551 267 public static function spam_check( $exclude, $values, &$errors ) {
552 - if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
553 - // Do not check spam on importing.
268 + if ( ! empty( $exclude ) || ! isset( $values['item_meta'] ) || empty( $values['item_meta'] ) || ! empty( $errors ) ) {
269 + // only check spam if there are no other errors
554 270 return;
555 271 }
556 272
557 - if ( $exclude || empty( $values['item_meta'] ) || $errors ) {
558 - // Only check spam if there are no other errors
559 - return;
560 - }
561 -
562 273 $antispam_check = self::is_antispam_check( $values['form_id'] );
563 - $spam_msg = FrmAntiSpamController::get_default_spam_message();
564 -
565 274 if ( is_string( $antispam_check ) ) {
566 275 $errors['spam'] = $antispam_check;
567 276 } elseif ( self::is_honeypot_spam( $values ) || self::is_spam_bot() ) {
568 - $errors['spam'] = $spam_msg;
569 - } else {
570 - $is_spam = FrmAntiSpamController::is_spam( $values );
571 -
572 - if ( $is_spam ) {
573 - $errors['spam'] = $is_spam;
574 - }
277 + $errors['spam'] = __( 'Your entry appears to be spam!', 'formidable' );
278 + } elseif ( self::blacklist_check( $values ) ) {
279 + $errors['spam'] = __( 'Your entry appears to be blocked spam!', 'formidable' );
575 280 }
576 281
577 282 if ( isset( $errors['spam'] ) || self::form_is_in_progress( $values ) ) {
578 283 return;
@@ -588,23 +293,19 @@
588 293 *
589 294 * @since 5.0.13
590 295 *
591 296 * @param array $values The values.
592 - *
593 297 * @return bool
594 298 */
595 299 private static function form_is_in_progress( $values ) {
596 - // phpcs:disable Generic.WhiteSpace.ScopeIndent
597 300 return FrmAppHelper::pro_is_installed() &&
598 301 ( isset( $values[ 'frm_page_order_' . $values['form_id'] ] ) || FrmAppHelper::get_post_param( 'frm_next_page' ) ) &&
599 302 FrmField::get_all_types_in_form( $values['form_id'], 'break' );
600 - // phpcs:enable Generic.WhiteSpace.ScopeIndent
601 303 }
602 304
603 305 /**
604 306 * @param int $form_id
605 - *
606 - * @return bool|string
307 + * @return boolean
607 308 */
608 309 private static function is_antispam_check( $form_id ) {
609 310 $aspm = new FrmAntiSpam( $form_id );
610 311 return $aspm->validate();
@@ -611,10 +312,9 @@
611 312 }
612 313
613 314 /**
614 315 * @param array $values
615 - *
616 - * @return bool
316 + * @return boolean
617 317 */
618 318 private static function is_honeypot_spam( $values ) {
619 319 $honeypot = new FrmHoneypot( $values['form_id'] );
620 320 return ! $honeypot->validate();
@@ -620,52 +320,90 @@
620 320 return ! $honeypot->validate();
621 321 }
622 322
623 323 /**
624 - * @return bool
324 + * @return boolean
625 325 */
626 326 private static function is_spam_bot() {
627 327 $ip = FrmAppHelper::get_ip_address();
328 +
628 329 return empty( $ip );
629 330 }
630 331
631 332 /**
632 333 * @param array $values
633 - *
634 - * @return bool
334 + * @return boolean
635 335 */
636 336 private static function is_akismet_spam( $values ) {
637 337 global $wpcom_api_key;
638 - return is_callable( 'Akismet::http_post' ) && ( get_option( 'wordpress_api_key' ) || $wpcom_api_key ) && self::akismet( $values );
338 +
339 + return ( is_callable( 'Akismet::http_post' ) && ( get_option( 'wordpress_api_key' ) || $wpcom_api_key ) && self::akismet( $values ) );
639 340 }
640 341
641 342 /**
642 343 * @param int $form_id
643 - *
644 344 * @return bool
645 345 */
646 346 private static function is_akismet_enabled_for_user( $form_id ) {
647 347 $form = FrmForm::getOne( $form_id );
648 - return ! empty( $form->options['akismet'] ) && ( $form->options['akismet'] !== 'logged' || ! is_user_logged_in() );
348 +
349 + return ( ! empty( $form->options['akismet'] ) && ( $form->options['akismet'] !== 'logged' || ! is_user_logged_in() ) );
649 350 }
650 351
352 + public static function blacklist_check( $values ) {
353 + if ( ! apply_filters( 'frm_check_blacklist', true, $values ) ) {
354 + return false;
355 + }
356 +
357 + $mod_keys = trim( self::get_disallowed_words() );
358 + if ( empty( $mod_keys ) ) {
359 + return false;
360 + }
361 +
362 + $content = FrmEntriesHelper::entry_array_to_string( $values );
363 + if ( empty( $content ) ) {
364 + return false;
365 + }
366 +
367 + self::prepare_values_for_spam_check( $values );
368 + $ip = FrmAppHelper::get_ip_address();
369 + $user_agent = FrmAppHelper::get_server_value( 'HTTP_USER_AGENT' );
370 + $user_info = self::get_spam_check_user_info( $values );
371 +
372 + return self::check_disallowed_words( $user_info['comment_author'], $user_info['comment_author_email'], $user_info['comment_author_url'], $content, $ip, $user_agent );
373 + }
374 +
651 375 /**
652 - * Checks spam using WordPress disallowed words and Frm denylist.
376 + * For WP 5.5 compatibility.
653 377 *
654 - * @param array $values Entry values.
378 + * @since 4.06.02
379 + */
380 + private static function check_disallowed_words( $author, $email, $url, $content, $ip, $user_agent ) {
381 + if ( function_exists( 'wp_check_comment_disallowed_list' ) ) {
382 + return wp_check_comment_disallowed_list( $author, $email, $url, $content, $ip, $user_agent );
383 + } else {
384 + return wp_blacklist_check( $author, $email, $url, $content, $ip, $user_agent );
385 + }
386 + }
387 +
388 + /**
389 + * For WP 5.5 compatibility.
655 390 *
656 - * @return bool
391 + * @since 4.06.02
657 392 */
658 - public static function blacklist_check( $values ) {
659 - return FrmAntiSpamController::contains_wp_disallowed_words( $values ) || FrmAntiSpamController::is_denylist_spam( $values );
393 + private static function get_disallowed_words() {
394 + $keys = get_option( 'disallowed_keys' );
395 + if ( false === $keys ) {
396 + // Fallback for WP < 5.5.
397 + $keys = get_option( 'blacklist_keys' );
398 + }
399 + return $keys;
660 400 }
661 401
662 402 /**
663 403 * Check entries for Akismet spam
664 404 *
665 - * @param array $values Entry values.
666 - *
667 - * @return bool true if is spam
405 + * @return boolean true if is spam
668 406 */
669 407 public static function akismet( $values ) {
670 408 if ( empty( $values['item_meta'] ) ) {
671 409 return false;
@@ -687,18 +425,13 @@
687 425
688 426 $query_string = _http_build_query( $datas, '', '&' );
689 427 $response = Akismet::http_post( $query_string, 'comment-check' );
690 428
691 - return is_array( $response ) && $response[1] === 'true';
429 + return ( is_array( $response ) && $response[1] == 'true' );
692 430 }
693 431
694 432 /**
695 433 * @since 2.0
696 - *
697 - * @param array $datas The array of values being sent to Akismet.
698 - * @param array $values Entry values.
699 - *
700 - * @return void
701 434 */
702 435 private static function parse_akismet_array( &$datas, $values ) {
703 436 self::add_site_info_to_akismet( $datas );
704 437 self::add_server_values_to_akismet( $datas );
@@ -703,19 +436,13 @@
703 436 self::add_site_info_to_akismet( $datas );
704 437 self::add_server_values_to_akismet( $datas );
705 438
706 439 self::prepare_values_for_spam_check( $values );
707 - self::skip_adding_values_to_akismet( $values );
708 440
709 441 self::add_user_info_to_akismet( $datas, $values );
710 442 self::add_comment_content_to_akismet( $datas, $values );
711 443 }
712 444
713 - /**
714 - * @param array $datas
715 - *
716 - * @return void
717 - */
718 445 private static function add_site_info_to_akismet( &$datas ) {
719 446 $datas['blog'] = FrmAppHelper::site_url();
720 447 $datas['user_ip'] = preg_replace( '/[^0-9., ]/', '', FrmAppHelper::get_ip_address() );
721 448 $datas['user_agent'] = FrmAppHelper::get_server_value( 'HTTP_USER_AGENT' );
@@ -727,14 +454,8 @@
727 454 $datas['is_test'] = 'true';
728 455 }
729 456 }
730 457
731 - /**
732 - * @param array $datas
733 - * @param array $values
734 - *
735 - * @return void
736 - */
737 458 private static function add_user_info_to_akismet( &$datas, $values ) {
738 459 $user_info = self::get_spam_check_user_info( $values );
739 460 $datas = $datas + $user_info;
740 461
@@ -746,15 +467,13 @@
746 467 /**
747 468 * Gets user info for Akismet spam check.
748 469 *
749 470 * @since 5.0.13 Separate code for guest. Handle value of embedded|repeater.
750 - * @since 6.21 This changed from private to public.
751 471 *
752 472 * @param array $values Entry values after running through {@see FrmEntryValidate::prepare_values_for_spam_check()}.
753 - *
754 473 * @return array
755 474 */
756 - public static function get_spam_check_user_info( $values ) {
475 + private static function get_spam_check_user_info( $values ) {
757 476 if ( ! is_user_logged_in() ) {
758 477 return self::get_spam_check_user_info_for_guest( $values );
759 478 }
760 479
@@ -774,9 +493,8 @@
774 493 *
775 494 * @since 5.0.13
776 495 *
777 496 * @param array $values Entry values after flattened.
778 - *
779 497 * @return array
780 498 */
781 499 private static function get_spam_check_user_info_for_guest( $values ) {
782 500 $datas = array(
@@ -808,16 +526,13 @@
808 526 *
809 527 * @param array $datas Guest data.
810 528 * @param array $values The values.
811 529 * @param int|null $custom_index Custom index (or field ID).
812 - *
813 - * @return void
814 530 */
815 531 private static function recursive_add_akismet_guest_info( &$datas, $values, $custom_index = null ) {
816 532 foreach ( $values as $index => $value ) {
817 533 if ( ! $datas['missing_keys'] ) {
818 - // Found all info.
819 - return;
534 + return; // Found all info.
820 535 }
821 536
822 537 if ( is_array( $value ) ) {
823 538 self::recursive_add_akismet_guest_info( $datas, $value, $index );
@@ -824,21 +539,17 @@
824 539 continue;
825 540 }
826 541
827 542 $field_id = ! is_null( $custom_index ) ? $custom_index : $index;
828 -
829 543 foreach ( $datas['missing_keys'] as $key_index => $key ) {
830 - $found = self::is_akismet_guest_info_value( $key, $value, $field_id, $datas['name_field_ids'], $values );
831 -
832 - if ( ! $found ) {
833 - continue;
544 + $found = self::is_akismet_guest_info_value( $key, $value, $field_id, $datas['name_field_ids'] );
545 + if ( $found ) {
546 + $datas[ $key ] = $value;
547 + $datas['frm_duplicated'][] = $field_id;
548 + unset( $datas['missing_keys'][ $key_index ] );
834 549 }
835 -
836 - $datas[ $key ] = $value;
837 - $datas['frm_duplicated'][] = $field_id;
838 - unset( $datas['missing_keys'][ $key_index ] );
839 550 }
840 - }//end foreach
551 + }
841 552 }
842 553
843 554 /**
844 555 * Checks if given value is an akismet guest info.
@@ -848,13 +559,11 @@
848 559 * @param string $key Guest info key.
849 560 * @param string $value Value to check.
850 561 * @param int $field_id Field ID.
851 562 * @param array $name_field_ids Name field IDs.
852 - * @param array $values Array of posted values.
853 - *
854 563 * @return bool
855 564 */
856 - private static function is_akismet_guest_info_value( $key, &$value, $field_id, $name_field_ids, $values ) {
565 + private static function is_akismet_guest_info_value( $key, $value, $field_id, $name_field_ids ) {
857 566 if ( ! $value || is_numeric( $value ) ) {
858 567 return false;
859 568 }
860 569
@@ -859,79 +568,24 @@
859 568 }
860 569
861 570 switch ( $key ) {
862 571 case 'comment_author_email':
863 - return str_contains( $value, '@' ) && is_email( $value );
572 + return strpos( $value, '@' ) && is_email( $value );
864 573
865 574 case 'comment_author_url':
866 - return str_starts_with( $value, 'http' );
575 + return 0 === strpos( $value, 'http' );
867 576
868 577 case 'comment_author':
869 - if ( $name_field_ids && in_array( $field_id, $name_field_ids, true ) ) {
578 + if ( $name_field_ids ) {
870 579 // If there is name field in the form, we should always use it as author name.
871 - return true;
580 + return in_array( $field_id, $name_field_ids, true );
872 581 }
582 + return strlen( $value ) < 200;
583 + }
873 584
874 - $form_id = FrmAppHelper::get_post_param( 'form_id', 0, 'absint' );
875 - $fields = self::get_name_text_fields( $form_id );
876 -
877 - foreach ( $fields as $index => $field ) {
878 - if ( 'Name' !== $field->name ) {
879 - continue;
880 - }
881 -
882 - if ( isset( $fields[ $index + 1 ] ) && 'Last' === $fields[ $index + 1 ]->name ) {
883 - if ( empty( $values[ absint( $fields[ $index + 1 ]->id ) ] ) ) {
884 - continue;
885 - }
886 -
887 - $value .= ' ' . $values[ $fields[ $index + 1 ]->id ];
888 - return true;
889 - }
890 - }
891 - }//end switch
892 -
893 585 return false;
894 586 }
895 587
896 - /**
897 - * Returns fields that have 'Name' and 'Last' as their name.
898 - *
899 - * @since 6.17
900 - *
901 - * @param int $form_id
902 - *
903 - * @return array
904 - */
905 - private static function get_name_text_fields( $form_id ) {
906 - $name_text_fields_is_initialized = is_array( self::$name_text_fields );
907 -
908 - if ( $name_text_fields_is_initialized && isset( self::$name_text_fields[ $form_id ] ) ) {
909 - return self::$name_text_fields[ $form_id ];
910 - }
911 -
912 - if ( ! $name_text_fields_is_initialized ) {
913 - self::$name_text_fields = array();
914 - }
915 - self::$name_text_fields[ $form_id ] = FrmDb::get_results(
916 - 'frm_fields',
917 - array(
918 - 'form_id' => $form_id,
919 - 'type' => 'text',
920 - 'name' => array( 'Name', 'Last' ),
921 - ),
922 - 'id,name',
923 - array( 'order_by' => 'field_order ASC' )
924 - );
925 -
926 - return self::$name_text_fields[ $form_id ];
927 - }
928 -
929 - /**
930 - * @param array $datas
931 - *
932 - * @return void
933 - */
934 588 private static function add_server_values_to_akismet( &$datas ) {
935 589 foreach ( $_SERVER as $key => $value ) {
936 590 $include_value = is_string( $value ) && ! preg_match( '/^HTTP_COOKIE/', $key ) && preg_match( '/^(HTTP_|REMOTE_ADDR|REQUEST_URI|DOCUMENT_URI)/', $key );
937 591
@@ -949,10 +603,8 @@
949 603 * @since 5.0.09
950 604 *
951 605 * @param array $datas The array of values being sent to Akismet.
952 606 * @param array $values Entry values.
953 - *
954 - * @return void
955 607 */
956 608 private static function add_comment_content_to_akismet( &$datas, $values ) {
957 609 if ( isset( $datas['frm_duplicated'] ) ) {
958 610 foreach ( $datas['frm_duplicated'] as $index ) {
@@ -964,8 +616,10 @@
964 616 }
965 617 unset( $datas['frm_duplicated'] );
966 618 }
967 619
620 + self::skip_adding_values_to_akismet( $values );
621 +
968 622 $datas['comment_content'] = FrmEntriesHelper::entry_array_to_string( $values );
969 623 }
970 624
971 625 /**
@@ -973,87 +627,25 @@
973 627 *
974 628 * @since 5.0.09
975 629 *
976 630 * @param array $values Entry values.
977 - *
978 - * @return void
979 631 */
980 632 private static function skip_adding_values_to_akismet( &$values ) {
981 - $skipped_fields = self::get_akismet_skipped_field_ids( $values );
982 -
983 - foreach ( $skipped_fields as $skipped_field ) {
984 - if ( ! isset( $values['item_meta'][ $skipped_field->id ] ) ) {
985 - continue;
633 + $skipped_field_ids = self::get_akismet_skipped_field_ids( $values );
634 + foreach ( $skipped_field_ids as $field_id ) {
635 + if ( isset( $values['item_meta'][ $field_id ] ) ) {
636 + unset( $values['item_meta'][ $field_id ] );
986 637 }
987 -
988 - if ( ! self::should_really_skip_field( $skipped_field, $values ) ) {
989 - continue;
990 - }
991 -
992 - unset( $values['item_meta'][ $skipped_field->id ] );
993 -
994 - if ( isset( $values['item_meta']['other'][ $skipped_field->id ] ) ) {
995 - unset( $values['item_meta']['other'][ $skipped_field->id ] );
996 - }
997 638 }
998 639 }
999 640
1000 641 /**
1001 - * Checks if a skip field should be really skipped.
1002 - *
1003 - * @since 5.02.04
1004 - *
1005 - * @param object $field_data Object contains `id` and `options`.
1006 - * @param array $values Entry values.
1007 - *
1008 - * @return bool
1009 - */
1010 - private static function should_really_skip_field( $field_data, $values ) {
1011 - if ( empty( $field_data->options ) ) {
1012 - // This is skipped field types.
1013 - return true;
1014 - }
1015 -
1016 - FrmAppHelper::unserialize_or_decode( $field_data->options );
1017 -
1018 - if ( ! $field_data->options ) {
1019 - // Check if an error happens when unserializing, or empty options.
1020 - return true;
1021 - }
1022 -
1023 - $last_key = array_key_last( $field_data->options );
1024 -
1025 - // If a choice field has no Other option.
1026 - if ( is_numeric( $last_key ) || ! str_starts_with( $last_key, 'other_' ) ) {
1027 - return true;
1028 - }
1029 -
1030 - // If a choice field has Other option, but Other is not selected.
1031 - if ( empty( $values['item_meta']['other'][ $field_data->id ] ) ) {
1032 - return true;
1033 - }
1034 -
1035 - // Check if submitted value is same as one of field option.
1036 - foreach ( $field_data->options as $option ) {
1037 - $option_value = is_array( $option ) ? ( $option['value'] ?? '' ) : $option;
1038 -
1039 - if ( $values['item_meta']['other'][ $field_data->id ] === $option_value ) {
1040 - return true;
1041 - }
1042 - }
1043 -
1044 - return false;
1045 - }
1046 -
1047 - /**
1048 642 * Gets field IDs that are skipped from sending to Akismet spam check.
1049 643 *
1050 644 * @since 5.0.09
1051 645 * @since 5.0.13 Move out get_all_form_ids_and_flatten_meta() call and get `form_ids` from `$values`.
1052 - * @since 5.2.04 This method returns array of object contains `id` and `options` instead of array of `id` only.
1053 646 *
1054 647 * @param array $values Entry values after running through {@see FrmEntryValidate::prepare_values_for_spam_check()}.
1055 - *
1056 648 * @return array
1057 649 */
1058 650 private static function get_akismet_skipped_field_ids( $values ) {
1059 651 if ( empty( $values['form_ids'] ) ) {
@@ -1065,13 +657,20 @@
1065 657
1066 658 $where = array(
1067 659 array(
1068 660 'form_id' => $values['form_ids'],
1069 - 'type' => array_merge( $skipped_types, $has_other_types ),
661 + array(
662 + array(
663 + 'field_options not like' => ';s:5:"other";s:1:"1"',
664 + 'type' => $has_other_types,
665 + ),
666 + 'or' => 1,
667 + 'type' => $skipped_types,
668 + ),
1070 669 ),
1071 670 );
1072 671
1073 - return FrmDb::get_results( 'frm_fields', $where, 'id,options' );
672 + return FrmDb::get_col( 'frm_fields', $where );
1074 673 }
1075 674
1076 675 /**
1077 676 * Prepares values array for spam check.
@@ -1076,16 +675,14 @@
1076 675 /**
1077 676 * Prepares values array for spam check.
1078 677 *
1079 678 * @since 5.0.13
1080 - * @since 6.21 This changed from private to public.
1081 679 *
1082 680 * @param array $values Entry values.
1083 - *
1084 - * @return void
1085 681 */
1086 - public static function prepare_values_for_spam_check( &$values ) {
1087 - $values['form_ids'] = self::get_all_form_ids_and_flatten_meta( $values );
682 + private static function prepare_values_for_spam_check( &$values ) {
683 + $form_ids = self::get_all_form_ids_and_flatten_meta( $values );
684 + $values['form_ids'] = $form_ids;
1088 685 }
1089 686
1090 687 /**
1091 688 * Gets all form IDs (include child form IDs) and flatten item_meta array. Used for skipping values sent to Akismet.
@@ -1094,20 +691,17 @@
1094 691 * @since 5.0.09
1095 692 * @since 5.0.13 Convert name field value to string.
1096 693 *
1097 694 * @param array $values Entry values.
1098 - *
1099 695 * @return array Form IDs.
1100 696 */
1101 - private static function get_all_form_ids_and_flatten_meta( &$values ) { // phpcs:ignore SlevomatCodingStandard.Complexity.Cognitive.ComplexityTooHigh
697 + private static function get_all_form_ids_and_flatten_meta( &$values ) {
1102 698 $values['name_field_ids'] = array();
1103 699
1104 700 // Blacklist check for File field in the old version doesn't contain `form_id`.
1105 701 $form_ids = isset( $values['form_id'] ) ? array( absint( $values['form_id'] ) ) : array();
1106 -
1107 702 foreach ( $values['item_meta'] as $field_id => $value ) {
1108 - if ( ! is_numeric( $field_id ) ) {
1109 - // Maybe `other`.
703 + if ( ! is_numeric( $field_id ) ) { // Maybe `other`.
1110 704 continue;
1111 705 }
1112 706
1113 707 // Convert name array to string.
@@ -1138,20 +732,51 @@
1138 732 }
1139 733
1140 734 // Convert name array to string.
1141 735 if ( isset( $subsubvalue['first'] ) && isset( $subsubvalue['last'] ) ) {
1142 - $subsubvalue = trim( implode( ' ', $subsubvalue ) );
736 + $subsubvalue = trim( implode( ' ', $subsubvalue ) );
737 +
1143 738 $values['name_field_ids'][] = $subsubindex;
1144 739 }
1145 740
1146 - if ( is_array( $values['item_meta'][ $subsubindex ] ) ) {
1147 - $values['item_meta'][ $subsubindex ][] = $subsubvalue;
1148 - }
741 + $values['item_meta'][ $subsubindex ][] = $subsubvalue;
1149 742 }
1150 - }//end foreach
743 + }
1151 744
1152 745 unset( $values['item_meta'][ $field_id ] );
1153 - }//end foreach
746 + }
1154 747
1155 748 return $form_ids;
749 + }
750 +
751 + /**
752 + * @deprecated 3.0
753 + * @codeCoverageIgnore
754 + */
755 + public static function validate_url_field( &$errors, $field, $value, $args ) {
756 + FrmDeprecated::validate_url_field( $errors, $field, $value, $args );
757 + }
758 +
759 + /**
760 + * @deprecated 3.0
761 + * @codeCoverageIgnore
762 + */
763 + public static function validate_email_field( &$errors, $field, $value, $args ) {
764 + FrmDeprecated::validate_email_field( $errors, $field, $value, $args );
765 + }
766 +
767 + /**
768 + * @deprecated 3.0
769 + * @codeCoverageIgnore
770 + */
771 + public static function validate_number_field( &$errors, $field, $value, $args ) {
772 + FrmDeprecated::validate_number_field( $errors, $field, $value, $args );
773 + }
774 +
775 + /**
776 + * @deprecated 3.0
777 + * @codeCoverageIgnore
778 + */
779 + public static function validate_recaptcha( &$errors, $field, $args ) {
780 + FrmDeprecated::validate_recaptcha( $errors, $field, $args );
1156 781 }
1157 782 }