| 1 |
<?php |
| 2 |
|
| 3 |
use HTML_Forms\Form; |
| 4 |
use HTML_Forms\Submission; |
| 5 |
|
| 6 |
/** |
| 7 |
* @param array $args |
| 8 |
* @return array |
| 9 |
*/ |
| 10 |
function hf_get_forms( array $args = array() ) { |
| 11 |
$default_args = array( |
| 12 |
'post_type' => 'html-form', |
| 13 |
'post_status' => array( 'publish', 'draft', 'pending', 'future' ), |
| 14 |
'posts_per_page' => -1, |
| 15 |
'ignore_sticky_posts' => true, |
| 16 |
'no_found_rows' => true, |
| 17 |
); |
| 18 |
$args = array_merge( $default_args, $args ); |
| 19 |
$query = new WP_Query; |
| 20 |
$posts = $query->query( $args ); |
| 21 |
$forms = array_map( 'hf_get_form', $posts ); |
| 22 |
return $forms; |
| 23 |
} |
| 24 |
|
| 25 |
/** |
| 26 |
* @param $form_id_or_slug int|string|WP_Post |
| 27 |
* @return Form |
| 28 |
* @throws Exception |
| 29 |
*/ |
| 30 |
function hf_get_form( $form_id_or_slug ) { |
| 31 |
|
| 32 |
if ( is_numeric( $form_id_or_slug ) || $form_id_or_slug instanceof WP_Post ) { |
| 33 |
$post = get_post( $form_id_or_slug ); |
| 34 |
|
| 35 |
if ( ! $post instanceof WP_Post || $post->post_type !== 'html-form' ) { |
| 36 |
throw new Exception( 'Invalid form ID' ); |
| 37 |
} |
| 38 |
} else { |
| 39 |
|
| 40 |
$query = new WP_Query; |
| 41 |
$posts = $query->query( |
| 42 |
array( |
| 43 |
'post_type' => 'html-form', |
| 44 |
'name' => $form_id_or_slug, |
| 45 |
'post_status' => 'publish', |
| 46 |
'posts_per_page' => 1, |
| 47 |
'ignore_sticky_posts' => true, |
| 48 |
'no_found_rows' => true, |
| 49 |
) |
| 50 |
); |
| 51 |
if ( empty( $posts ) ) { |
| 52 |
throw new Exception( 'Invalid form slug' ); |
| 53 |
} |
| 54 |
$post = $posts[0]; |
| 55 |
} |
| 56 |
|
| 57 |
// get all post meta in a single call for performance |
| 58 |
$post_meta = get_post_meta( $post->ID ); |
| 59 |
|
| 60 |
// grab & merge form settings |
| 61 |
$default_settings = array( |
| 62 |
'save_submissions' => 1, |
| 63 |
'hide_after_success' => 0, |
| 64 |
'redirect_url' => '', |
| 65 |
'required_fields' => '', |
| 66 |
'email_fields' => '', |
| 67 |
); |
| 68 |
$default_settings = apply_filters( 'hf_form_default_settings', $default_settings ); |
| 69 |
$settings = array(); |
| 70 |
if ( ! empty( $post_meta['_hf_settings'][0] ) ) { |
| 71 |
$settings = (array) maybe_unserialize( $post_meta['_hf_settings'][0] ); |
| 72 |
} |
| 73 |
$settings = array_merge( $default_settings, $settings ); |
| 74 |
|
| 75 |
// grab & merge form messages |
| 76 |
$default_messages = array( |
| 77 |
'success' => __( 'Thank you! We will be in touch soon.', 'html-forms' ), |
| 78 |
'invalid_email' => __( 'Sorry, that email address looks invalid.', 'html-forms' ), |
| 79 |
'required_field_missing' => __( 'Please fill in the required fields.', 'html-forms' ), |
| 80 |
'error' => __( 'Oops. An error occurred.', 'html-forms' ), |
| 81 |
); |
| 82 |
$default_messages = apply_filters( 'hf_form_default_messages', $default_messages ); |
| 83 |
$messages = array(); |
| 84 |
foreach ( $post_meta as $meta_key => $meta_values ) { |
| 85 |
if ( strpos( $meta_key, 'hf_message_' ) === 0 ) { |
| 86 |
$message_key = substr( $meta_key, strlen( 'hf_message_' ) ); |
| 87 |
$messages[ $message_key ] = (string) $meta_values[0]; |
| 88 |
} |
| 89 |
} |
| 90 |
$messages = array_merge( $default_messages, $messages ); |
| 91 |
|
| 92 |
// finally, create form instance |
| 93 |
$form = new Form( $post->ID ); |
| 94 |
$form->title = $post->post_title; |
| 95 |
$form->slug = $post->post_name; |
| 96 |
$form->markup = $post->post_content; |
| 97 |
$form->settings = $settings; |
| 98 |
$form->messages = $messages; |
| 99 |
return $form; |
| 100 |
} |
| 101 |
|
| 102 |
/** |
| 103 |
* @param $form_id |
| 104 |
* @return int |
| 105 |
*/ |
| 106 |
function hf_count_form_submissions( $form_id ) { |
| 107 |
global $wpdb; |
| 108 |
$table = $wpdb->prefix . 'hf_submissions'; |
| 109 |
$result = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$table} s WHERE s.form_id = %d;", $form_id ) ); |
| 110 |
return (int) $result; |
| 111 |
} |
| 112 |
|
| 113 |
/** |
| 114 |
* @param $form_id |
| 115 |
* @param array $args |
| 116 |
* @return Submission[] |
| 117 |
*/ |
| 118 |
function hf_get_form_submissions( $form_id, array $args = array() ) { |
| 119 |
$default_args = array( |
| 120 |
'offset' => 0, |
| 121 |
'limit' => 1000, |
| 122 |
); |
| 123 |
$args = array_merge( $default_args, $args ); |
| 124 |
|
| 125 |
global $wpdb; |
| 126 |
$table = $wpdb->prefix . 'hf_submissions'; |
| 127 |
$results = $wpdb->get_results( $wpdb->prepare( "SELECT s.* FROM {$table} s WHERE s.form_id = %d ORDER BY s.submitted_at DESC LIMIT %d, %d;", $form_id, $args['offset'], $args['limit'] ), OBJECT_K ); |
| 128 |
$submissions = array(); |
| 129 |
foreach ( $results as $key => $object ) { |
| 130 |
$submission = Submission::from_object( $object ); |
| 131 |
$submissions[ $key ] = $submission; |
| 132 |
} |
| 133 |
return $submissions; |
| 134 |
} |
| 135 |
|
| 136 |
/** |
| 137 |
* @param int $submission_id |
| 138 |
* @return Submission |
| 139 |
*/ |
| 140 |
function hf_get_form_submission( $submission_id ) { |
| 141 |
global $wpdb; |
| 142 |
$table = $wpdb->prefix . 'hf_submissions'; |
| 143 |
$object = $wpdb->get_row( $wpdb->prepare( "SELECT s.* FROM {$table} s WHERE s.id = %d;", $submission_id ), OBJECT ); |
| 144 |
$submission = Submission::from_object( $object ); |
| 145 |
return $submission; |
| 146 |
} |
| 147 |
/** |
| 148 |
* @return array |
| 149 |
*/ |
| 150 |
function hf_get_settings() { |
| 151 |
$default_settings = array( |
| 152 |
'load_stylesheet' => 0, |
| 153 |
'wrapper_tag' => 'p', |
| 154 |
); |
| 155 |
|
| 156 |
$settings = get_option( 'hf_settings', null ); |
| 157 |
|
| 158 |
// prevent a SQL query when option does not yet exist |
| 159 |
if ( $settings === null ) { |
| 160 |
update_option( 'hf_settings', array(), true ); |
| 161 |
$settings = array(); |
| 162 |
} |
| 163 |
|
| 164 |
// merge with default settings |
| 165 |
$settings = array_merge( $default_settings, $settings ); |
| 166 |
|
| 167 |
/** |
| 168 |
* Filters the global HTML Forms hf_settings |
| 169 |
* |
| 170 |
* @param array $settings |
| 171 |
*/ |
| 172 |
$settings = apply_filters( 'hf_settings', $settings ); |
| 173 |
|
| 174 |
return $settings; |
| 175 |
} |
| 176 |
|
| 177 |
/** |
| 178 |
* Get element from array, allows for dot notation eg: "foo.bar" |
| 179 |
* |
| 180 |
* @param array $array |
| 181 |
* @param string $key |
| 182 |
* @param mixed $default |
| 183 |
* @return mixed |
| 184 |
*/ |
| 185 |
function hf_array_get( $array, $key, $default = null ) { |
| 186 |
if ( is_null( $key ) ) { |
| 187 |
return $array; |
| 188 |
} |
| 189 |
|
| 190 |
if ( isset( $array[ $key ] ) ) { |
| 191 |
return $array[ $key ]; |
| 192 |
} |
| 193 |
|
| 194 |
foreach ( explode( '.', $key ) as $segment ) { |
| 195 |
if ( ! is_array( $array ) || ! array_key_exists( $segment, $array ) ) { |
| 196 |
return $default; |
| 197 |
} |
| 198 |
|
| 199 |
$array = $array[ $segment ]; |
| 200 |
} |
| 201 |
|
| 202 |
return $array; |
| 203 |
} |
| 204 |
|
| 205 |
/** |
| 206 |
* Processes template tags like {{user.user_email}} |
| 207 |
* |
| 208 |
* @param string $template |
| 209 |
* |
| 210 |
* @return string |
| 211 |
*/ |
| 212 |
function hf_template( $template ) { |
| 213 |
$replacers = new HTML_Forms\TagReplacers(); |
| 214 |
$tags = array( |
| 215 |
'user' => array( $replacers, 'user' ), |
| 216 |
'post' => array( $replacers, 'post' ), |
| 217 |
'url_params' => array( $replacers, 'url_params' ), |
| 218 |
); |
| 219 |
|
| 220 |
/** |
| 221 |
* Filters the available tags in HTML Forms templates, like {{user.user_email}}. |
| 222 |
* |
| 223 |
* Can be used to add simple scalar replacements or more advanced replacement functions that accept a parameter. |
| 224 |
* |
| 225 |
* @param array $tags |
| 226 |
*/ |
| 227 |
$tags = apply_filters( 'hf_template_tags', $tags ); |
| 228 |
|
| 229 |
$template = preg_replace_callback( |
| 230 |
'/\{\{ *(\w+)(?:\.([\w\.]+))? *(?:\|\| *(\w+))? *\}\}/', |
| 231 |
function( $matches ) use ( $tags ) { |
| 232 |
$tag = $matches[1]; |
| 233 |
$param = ! isset( $matches[2] ) ? '' : $matches[2]; |
| 234 |
$default = ! isset( $matches[3] ) ? '' : $matches[3]; |
| 235 |
|
| 236 |
// do not change anything if we have no replacer with that key, could be custom user logic or another plugin. |
| 237 |
if ( ! isset( $tags[ $tag ] ) ) { |
| 238 |
return $matches[0]; |
| 239 |
} |
| 240 |
|
| 241 |
$replacement = $tags[ $tag ]; |
| 242 |
$value = is_callable( $replacement ) ? call_user_func_array( $replacement, array( $param ) ) : $replacement; |
| 243 |
return ! empty( $value ) ? $value : $default; |
| 244 |
}, |
| 245 |
$template |
| 246 |
); |
| 247 |
|
| 248 |
return $template; |
| 249 |
} |
| 250 |
|
| 251 |
/** |
| 252 |
* @param string $string |
| 253 |
* @param array $data |
| 254 |
* @param Closure|string $escape_function |
| 255 |
* @return string |
| 256 |
*/ |
| 257 |
function hf_replace_data_variables( $string, Submission $submission, $escape_function = null ) { |
| 258 |
$data = ( !empty( $submission->data ) ? $submission->data : array() ); |
| 259 |
$submission_fields = array( 'HF_TIMESTAMP', 'HF_USER_AGENT', 'HF_IP_ADDRESS', 'HF_REFERRER_URL' ); |
| 260 |
|
| 261 |
return preg_replace_callback( |
| 262 |
'/\[(.+?)\]/', |
| 263 |
function( $matches ) use ( $submission, $submission_fields, $escape_function ) { |
| 264 |
$key = $matches[1]; |
| 265 |
|
| 266 |
if ( in_array( $key, $submission_fields ) ) { |
| 267 |
$replacement = ''; |
| 268 |
|
| 269 |
switch ( $key ) { |
| 270 |
case 'HF_TIMESTAMP' : |
| 271 |
$replacement = $submission->submitted_at; |
| 272 |
break; |
| 273 |
case 'HF_USER_AGENT' : |
| 274 |
$replacement = $submission->user_agent; |
| 275 |
break; |
| 276 |
case 'HF_IP_ADDRESS' : |
| 277 |
$replacement = $submission->ip_address; |
| 278 |
break; |
| 279 |
case 'HF_REFERRER_URL' : |
| 280 |
$replacement = $submission->referer_url; |
| 281 |
break; |
| 282 |
default : |
| 283 |
$replacement = ''; |
| 284 |
break; |
| 285 |
} |
| 286 |
} else { |
| 287 |
// replace spaces in name with underscores to match PHP requirement for keys in $_POST superglobal |
| 288 |
$key = str_replace( ' ', '_', $key ); |
| 289 |
$replacement = hf_array_get( $submission->data, $key, '' ); |
| 290 |
$replacement = hf_field_value( $replacement, 0, $escape_function ); |
| 291 |
} |
| 292 |
|
| 293 |
return $replacement; |
| 294 |
}, |
| 295 |
$string |
| 296 |
); |
| 297 |
} |
| 298 |
|
| 299 |
/** |
| 300 |
* Returns a formatted & HTML-escaped field value. Detects file-, array- and date-types. |
| 301 |
* |
| 302 |
* Caveat: if value is a file, an HTML string is returned (which means email action should use "Content-Type: html" when it includes a file field). |
| 303 |
* |
| 304 |
* @param string|array $value |
| 305 |
* @param int $limit |
| 306 |
* @param Closure|string $escape_function |
| 307 |
* @return string |
| 308 |
* @since 1.3.1 |
| 309 |
*/ |
| 310 |
function hf_field_value( $value, $limit = 0, $escape_function = 'esc_html' ) { |
| 311 |
if ( $value === '' ) { |
| 312 |
return $value; |
| 313 |
} |
| 314 |
|
| 315 |
if ( hf_is_file( $value ) ) { |
| 316 |
$file_url = isset( $value['url'] ) ? $value['url'] : ''; |
| 317 |
if ( isset( $value['attachment_id'] ) && apply_filters( 'hf_file_upload_use_direct_links', false ) === false ) { |
| 318 |
$file_url = admin_url( sprintf( 'post.php?action=edit&post=%d', $value['attachment_id'] ) ); |
| 319 |
} |
| 320 |
$short_name = substr( $value['name'], 0, 20 ); |
| 321 |
$suffix = strlen( $value['name'] ) > 20 ? '...' : ''; |
| 322 |
return sprintf( '<a href="%s">%s%s</a> (%s)', esc_attr( $file_url ), esc_html( $short_name ), esc_html( $suffix ), hf_human_filesize( $value['size'] ) ); |
| 323 |
} |
| 324 |
|
| 325 |
if ( hf_is_date( $value ) ) { |
| 326 |
$date_format = get_option( 'date_format' ); |
| 327 |
return gmdate( $date_format, strtotime( str_replace( '/', '-', $value ) ) ); |
| 328 |
} |
| 329 |
|
| 330 |
// join array-values with comma |
| 331 |
if ( is_array( $value ) ) { |
| 332 |
$value = join( ', ', $value ); |
| 333 |
} |
| 334 |
|
| 335 |
// limit string to certain length |
| 336 |
if ( $limit > 0 ) { |
| 337 |
$limited = strlen( $value ) > $limit; |
| 338 |
$value = substr( $value, 0, $limit ); |
| 339 |
|
| 340 |
if ( $limited ) { |
| 341 |
$value .= '...'; |
| 342 |
} |
| 343 |
} |
| 344 |
|
| 345 |
// escape value |
| 346 |
if ( $escape_function !== null && is_callable( $escape_function ) ) { |
| 347 |
$value = $escape_function( $value ); |
| 348 |
} |
| 349 |
|
| 350 |
// add line breaks, if not string limited to certain length |
| 351 |
if ( $limit === 0 ) { |
| 352 |
$value = nl2br( $value ); |
| 353 |
} |
| 354 |
|
| 355 |
return $value; |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* Returns true if value is a "file" |
| 360 |
* |
| 361 |
* @param mixed $value |
| 362 |
* @return bool |
| 363 |
*/ |
| 364 |
function hf_is_file( $value ) { |
| 365 |
return is_array( $value ) |
| 366 |
&& isset( $value['name'] ) |
| 367 |
&& isset( $value['size'] ) |
| 368 |
&& isset( $value['type'] ); |
| 369 |
} |
| 370 |
|
| 371 |
/** |
| 372 |
* Returns true if value looks like a date-string submitted from a <input type="date"> |
| 373 |
* @param mixed $value |
| 374 |
* @return bool |
| 375 |
* @since 1.3.1 |
| 376 |
*/ |
| 377 |
function hf_is_date( $value ) { |
| 378 |
if ( ! is_string( $value ) |
| 379 |
|| strlen( $value ) !== 10 |
| 380 |
|| (int) preg_match( '/\d{2,4}[-\/]\d{2}[-\/]\d{2,4}/', $value ) === 0 ) { |
| 381 |
return false; |
| 382 |
} |
| 383 |
|
| 384 |
$timestamp = strtotime( $value ); |
| 385 |
return $timestamp != false; |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* @param int $size |
| 390 |
* @param int $precision |
| 391 |
* @return string |
| 392 |
*/ |
| 393 |
function hf_human_filesize( $size, $precision = 2 ) { |
| 394 |
for ( $i = 0; ( $size / 1024 ) > 0.9; $i++, $size /= 1024 ) { |
| 395 |
// nothing, loop logic contains everything |
| 396 |
} |
| 397 |
$steps = array( 'B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' ); |
| 398 |
return round( $size, $precision ) . $steps[ $i ]; |
| 399 |
} |
| 400 |
|
| 401 |
/** |
| 402 |
* Gets all the form tabs to show in the admin. |
| 403 |
* @param Form $form |
| 404 |
* @return array |
| 405 |
*/ |
| 406 |
function hf_get_admin_tabs( Form $form ) { |
| 407 |
$tabs = array( |
| 408 |
'fields' => __( 'Fields', 'html-forms' ), |
| 409 |
'messages' => __( 'Messages', 'html-forms' ), |
| 410 |
'settings' => __( 'Settings', 'html-forms' ), |
| 411 |
'actions' => __( 'Actions', 'html-forms' ), |
| 412 |
); |
| 413 |
|
| 414 |
if ( $form->settings['save_submissions'] ) { |
| 415 |
$tabs['submissions'] = __( 'Submissions', 'html-forms' ); |
| 416 |
} |
| 417 |
return apply_filters( 'hf_admin_tabs', $tabs, $form ); |
| 418 |
} |
| 419 |
|
| 420 |
function _hf_on_plugin_activation() { |
| 421 |
if ( is_multisite() ) { |
| 422 |
_hf_on_plugin_activation_multisite(); |
| 423 |
return; |
| 424 |
} |
| 425 |
|
| 426 |
// install table for regular wp install |
| 427 |
_hf_create_submissions_table(); |
| 428 |
|
| 429 |
// add "edit_forms" cap to user that activated the plugin |
| 430 |
$user = wp_get_current_user(); |
| 431 |
$user->add_cap( 'edit_forms', true ); |
| 432 |
} |
| 433 |
|
| 434 |
function _hf_on_plugin_activation_multisite() { |
| 435 |
$added_caps = array(); |
| 436 |
|
| 437 |
foreach ( get_sites( array( 'number' => PHP_INT_MAX ) ) as $site ) { |
| 438 |
switch_to_blog( (int) $site->blog_id ); |
| 439 |
|
| 440 |
// install table for current blog |
| 441 |
_hf_create_submissions_table(); |
| 442 |
|
| 443 |
// iterate through current blog admins |
| 444 |
foreach ( get_users( |
| 445 |
array( |
| 446 |
'blog_id' => (int) $site->blog_id, |
| 447 |
'role' => 'administrator', |
| 448 |
'fields' => 'ID', |
| 449 |
) |
| 450 |
) as $admin_id ) { |
| 451 |
if ( ! (int) $admin_id || in_array( $admin_id, $added_caps ) ) { |
| 452 |
continue; |
| 453 |
} |
| 454 |
|
| 455 |
// add "edit_forms" cap to site admin |
| 456 |
$user = new \WP_User( (int) $admin_id ); |
| 457 |
$user->add_cap( 'edit_forms', true ); |
| 458 |
|
| 459 |
$added_caps[] = $admin_id; |
| 460 |
} |
| 461 |
|
| 462 |
restore_current_blog(); |
| 463 |
} |
| 464 |
} |
| 465 |
|
| 466 |
// install table for main site on regular installs, or active site for multisite |
| 467 |
function _hf_create_submissions_table() { |
| 468 |
/** @var wpdb */ |
| 469 |
global $wpdb; |
| 470 |
|
| 471 |
$charset_collate = $wpdb->get_charset_collate(); |
| 472 |
|
| 473 |
// create table for storing submissions |
| 474 |
$table = $wpdb->prefix . 'hf_submissions'; |
| 475 |
$wpdb->query( |
| 476 |
"CREATE TABLE IF NOT EXISTS {$table}( |
| 477 |
`id` INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, |
| 478 |
`form_id` INT UNSIGNED NOT NULL, |
| 479 |
`data` TEXT NOT NULL, |
| 480 |
`user_agent` TEXT NULL, |
| 481 |
`ip_address` VARCHAR(255) NULL, |
| 482 |
`referer_url` TEXT NULL, |
| 483 |
`submitted_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP |
| 484 |
) {$charset_collate};" |
| 485 |
); |
| 486 |
} |
| 487 |
|
| 488 |
function _hf_on_add_user_to_blog( $user_id, $role, $blog_id ) { |
| 489 |
if ( 'administrator' !== $role ) { |
| 490 |
return; |
| 491 |
} |
| 492 |
|
| 493 |
// add "edit_forms" cap to site admin |
| 494 |
$user = new \WP_User( (int) $user_id ); |
| 495 |
$user->add_cap( 'edit_forms', true ); |
| 496 |
} |
| 497 |
|
| 498 |
function _hf_on_wp_insert_site( \WP_Site $site ) { |
| 499 |
switch_to_blog( (int) $site->blog_id ); |
| 500 |
_hf_create_submissions_table(); |
| 501 |
restore_current_blog(); |
| 502 |
} |
| 503 |
|
