Révision 42e6daf3
Ajouté par Julien Enselme il y a environ 10 ans
| drupal7/includes/form.inc | ||
|---|---|---|
| 168 | 168 |
* processed. |
| 169 | 169 |
* - base_form_id: Identification for a base form, as declared in a |
| 170 | 170 |
* hook_forms() implementation. |
| 171 |
* - immutable: If this flag is set to TRUE, a new form build id is |
|
| 172 |
* generated when the form is loaded from the cache. If it is subsequently |
|
| 173 |
* saved to the cache again, it will have another cache id and therefore |
|
| 174 |
* the original form and form-state will remain unaltered. This is |
|
| 175 |
* important when page caching is enabled in order to prevent form state |
|
| 176 |
* from leaking between anonymous users. |
|
| 171 | 177 |
* - rebuild_info: Internal. Similar to 'build_info', but pertaining to |
| 172 | 178 |
* drupal_rebuild_form(). |
| 173 | 179 |
* - rebuild: Normally, after the entire form processing is completed and |
| ... | ... | |
| 459 | 465 |
$form = drupal_retrieve_form($form_id, $form_state); |
| 460 | 466 |
|
| 461 | 467 |
// If only parts of the form will be returned to the browser (e.g., Ajax or |
| 462 |
// RIA clients), re-use the old #build_id to not require client-side code to
|
|
| 463 |
// manually update the hidden 'build_id' input element.
|
|
| 468 |
// RIA clients), or if the form already had a new build ID regenerated when it
|
|
| 469 |
// was retrieved from the form cache, reuse the existing #build_id.
|
|
| 464 | 470 |
// Otherwise, a new #build_id is generated, to not clobber the previous |
| 465 | 471 |
// build's data in the form cache; also allowing the user to go back to an |
| 466 | 472 |
// earlier build, make changes, and re-submit. |
| 467 | 473 |
// @see drupal_prepare_form() |
| 468 |
if (isset($old_form['#build_id']) && !empty($form_state['rebuild_info']['copy']['#build_id'])) {
|
|
| 474 |
$enforce_old_build_id = isset($old_form['#build_id']) && !empty($form_state['rebuild_info']['copy']['#build_id']); |
|
| 475 |
$old_form_is_mutable_copy = isset($old_form['#build_id_old']); |
|
| 476 |
if ($enforce_old_build_id || $old_form_is_mutable_copy) {
|
|
| 469 | 477 |
$form['#build_id'] = $old_form['#build_id']; |
| 478 |
if ($old_form_is_mutable_copy) {
|
|
| 479 |
$form['#build_id_old'] = $old_form['#build_id_old']; |
|
| 480 |
} |
|
| 470 | 481 |
} |
| 471 | 482 |
else {
|
| 483 |
if (isset($old_form['#build_id'])) {
|
|
| 484 |
$form['#build_id_old'] = $old_form['#build_id']; |
|
| 485 |
} |
|
| 472 | 486 |
$form['#build_id'] = 'form-' . drupal_random_key(); |
| 473 | 487 |
} |
| 474 | 488 |
|
| ... | ... | |
| 523 | 537 |
} |
| 524 | 538 |
} |
| 525 | 539 |
} |
| 540 |
// Generate a new #build_id if the cached form was rendered on a cacheable |
|
| 541 |
// page. |
|
| 542 |
if (!empty($form_state['build_info']['immutable'])) {
|
|
| 543 |
$form['#build_id_old'] = $form['#build_id']; |
|
| 544 |
$form['#build_id'] = 'form-' . drupal_random_key(); |
|
| 545 |
$form['form_build_id']['#value'] = $form['#build_id']; |
|
| 546 |
$form['form_build_id']['#id'] = $form['#build_id']; |
|
| 547 |
unset($form_state['build_info']['immutable']); |
|
| 548 |
} |
|
| 526 | 549 |
return $form; |
| 527 | 550 |
} |
| 528 | 551 |
} |
| ... | ... | |
| 535 | 558 |
// 6 hours cache life time for forms should be plenty. |
| 536 | 559 |
$expire = 21600; |
| 537 | 560 |
|
| 561 |
// Ensure that the form build_id embedded in the form structure is the same as |
|
| 562 |
// the one passed in as a parameter. This is an additional safety measure to |
|
| 563 |
// prevent legacy code operating directly with form_get_cache and |
|
| 564 |
// form_set_cache from accidentally overwriting immutable form state. |
|
| 565 |
if ($form['#build_id'] != $form_build_id) {
|
|
| 566 |
watchdog('form', 'Form build-id mismatch detected while attempting to store a form in the cache.', array(), WATCHDOG_ERROR);
|
|
| 567 |
return; |
|
| 568 |
} |
|
| 569 |
|
|
| 538 | 570 |
// Cache form structure. |
| 539 | 571 |
if (isset($form)) {
|
| 540 | 572 |
if ($GLOBALS['user']->uid) {
|
| 541 | 573 |
$form['#cache_token'] = drupal_get_token(); |
| 542 | 574 |
} |
| 575 |
unset($form['#build_id_old']); |
|
| 543 | 576 |
cache_set('form_' . $form_build_id, $form, 'cache_form', REQUEST_TIME + $expire);
|
| 544 | 577 |
} |
| 545 | 578 |
|
| 546 | 579 |
// Cache form state. |
| 580 |
if (variable_get('cache', 0) && drupal_page_is_cacheable()) {
|
|
| 581 |
$form_state['build_info']['immutable'] = TRUE; |
|
| 582 |
} |
|
| 547 | 583 |
if ($data = array_diff_key($form_state, array_flip(form_state_keys_no_cache()))) {
|
| 548 | 584 |
cache_set('form_state_' . $form_build_id, $data, 'cache_form', REQUEST_TIME + $expire);
|
| 549 | 585 |
} |
Formats disponibles : Unified diff
Update drupal 7.26 -> 7.27