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<?php
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/**
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* @file
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* User menu callbacks for pm_block_user.module.
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*/
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function pm_block_user_form($form, $form_state, $author) {
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global $user;
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$form['author'] = array(
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'#type' => 'value',
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'#value' => $author,
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);
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$form['recipient'] = array(
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'#type' => 'value',
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'#value' => $user,
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);
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$form['destination'] = array(
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'#type' => 'value',
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'#value' => isset($_GET['destination']) ? $_GET['destination'] : 'messages/',
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);
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if (pm_block_user_has_blocked($author, $user)) {
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$form['block_action'] = array(
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'#type' => 'value',
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'#value' => 'unblock_user',
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);
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return confirm_form($form,
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t('You have previously blocked "@author" from sending you any more messages. Are you sure you want to unblock this user?', array('@author' => privatemsg_recipient_format($author, array('plain' => TRUE)))),
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isset($_GET['destination']) ? $_GET['destination'] : 'messages/',
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'',
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t('Unblock @author', array('@author' => privatemsg_recipient_format($author, array('plain' => TRUE)))),
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t('Cancel')
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);
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}
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else {
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$form['block_action'] = array(
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'#type' => 'value',
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'#value' => 'block_user',
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);
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return confirm_form($form,
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t('Are you sure you want to block "@author" from sending you any more messages?', array('@author' => privatemsg_recipient_format($author, array('plain' => TRUE)))),
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isset($_GET['destination']) ? $_GET['destination'] : 'messages/',
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'',
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t('Block @author', array('@author' => privatemsg_recipient_format($author, array('plain' => TRUE)))),
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t('Cancel')
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);
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}
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}
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/**
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* Submit callback for block user confirmation form.
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*/
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function pm_block_user_form_submit($form, &$form_state) {
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if ($form_state['values']['confirm']) {
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switch ($form_state['values']['block_action']) {
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case 'block_user':
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db_insert('pm_block_user')
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->fields(array(
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'author' => $form_state['values']['author']->uid,
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'recipient' => $form_state['values']['recipient']->uid,
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))
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->execute();
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drupal_set_message(t('@author has been blocked from sending you any further messages.', array('@author' => privatemsg_recipient_format($form_state['values']['author'], array('plain' => TRUE)))));
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break;
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case 'unblock_user':
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db_delete('pm_block_user')
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->condition('author', $form_state['values']['author']->uid)
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->condition('recipient', $form_state['values']['recipient']->uid)
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->execute();
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drupal_set_message(t('@author is now allowed to send you new messages.', array('@author' => privatemsg_recipient_format($form_state['values']['author'], array('plain' => TRUE)))));
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break;
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}
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}
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$form_state['redirect'] = $form_state['values']['destination'];
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}
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/**
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* Formbuilder function to build a simple form to block users.
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*/
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function pm_block_user_list() {
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global $user;
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$form['new'] = array(
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'#type' => 'fieldset',
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'#title' => t('Block a user'),
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);
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$form['new']['name'] = array(
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'#type' => 'textfield',
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'#title' => t('Username'),
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'#autocomplete_path' => 'messages/user/autocomplete',
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'#description' => t('Separate multiple names with commas.'),
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'#required' => TRUE,
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);
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$form['new']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Block user'),
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'#validate' => array('pm_block_user_block_validate'),
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'#submit' => array('pm_block_user_block_submit'),
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);
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$header = array(
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array(
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'data' => t('Username'),
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'field' => 'u.name',
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'sort' => 'asc',
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),
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array(
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'data' => t('Operations'),
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),
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);
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$select = db_select('pm_block_user', 'pmb')->extend('PagerDefault')->extend('TableSort')
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->fields('pmb', array('author'))
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->condition('pmb.recipient', $user->uid)
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->limit(20)
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->orderByHeader($header);
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// Only show existing users, therefore join users.
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$select->innerJoin('users', 'u', 'u.uid = pmb.author');
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$rows = array();
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foreach ($select->execute() as $row) {
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$rows[] = array(
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theme('username', array('account' => user_load($row->author))),
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l(t('unblock'), 'messages/block/' . $row->author, array('query' => drupal_get_destination())),
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);
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}
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$form['#header'] = $header;
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$form['#rows'] = $rows;
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return $form;
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}
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/**
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* Validate user names.
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*/
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function pm_block_user_block_validate($form, &$form_state) {
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global $user;
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list($accounts, $invalid) = _privatemsg_parse_userstring($form_state['values']['name'], array('user'));
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// Remove accounts that can not be blocked.
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if (!empty($accounts)) {
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foreach ($accounts as $id => $account) {
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// Only authors can be blocked.
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if ($account->type != 'user') {
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drupal_set_message(t('Only users can be blocked.'));
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unset($accounts[$id]);
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continue;
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}
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// Check if the user can not be blocked because of a rule.
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if (_pm_block_user_rule_exists($account, $user, PM_BLOCK_USER_DISALLOW_BLOCKING)) {
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drupal_set_message(t('You are not allowed to block !account.', array('!account' => theme('username', array('account' => $account)))), 'warning');
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unset($accounts[$id]);
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continue;
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}
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// Check if the user is already blocked.
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if (pm_block_user_has_blocked($account, $user)) {
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drupal_set_message(t('You have already blocked !account.', array('!account' => theme('username', array('account' => $account)))), 'warning');
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unset($accounts[$id]);
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continue;
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}
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// Do not allow users to block themself.
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if ($user->uid == $account->uid) {
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drupal_set_message(t('You can not block yourself.'), 'warning');
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unset($accounts[$id]);
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continue;
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}
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}
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}
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// Display warning about invalid user names.
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if (!empty($invalid)) {
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drupal_set_message(t('The following users do not exist: @invalid.', array('@invalid' => implode(", ", $invalid))), 'warning');
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}
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// If there are no accounts left, display error.
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if (empty($accounts)) {
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form_set_error('name', t('You are either not allowed to block these users or the users do not exist.'));
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}
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else {
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$form_state['valid_accounts'] = $accounts;
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}
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}
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/**
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* Submit callback for block user form.
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*/
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function pm_block_user_block_submit($form, &$form_state) {
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global $user;
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$insert = db_insert('pm_block_user')->fields(array('author', 'recipient'));
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foreach ($form_state['valid_accounts'] as $account) {
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$insert->values(array(
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'author' => $account->uid,
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'recipient' => $user->uid,
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));
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drupal_set_message(t('!author has been blocked from sending you any further messages.', array('!author' => theme('username', array('account' => $account)))));
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}
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$insert->execute();
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}
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/**
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* Theme function to theme the blocked user listing.
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*/
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function theme_pm_block_user_list($variables) {
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$form = $variables['form'];
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return drupal_render_children($form) . theme('table', array('header' => $form['#header'], 'rows' => $form['#rows'])) . theme('pager');
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}
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