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<?php
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// $Id: simplenews.subscription.inc,v 1.12 2009/03/07 17:14:31 sutharsan Exp $
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/**
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* @file
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* (Un)subscription and (un)subscription confirmation
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*
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* @ingroup simplenews
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*/
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/**
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* Menu callback: Generates the subscription form for users.
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*
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* @see simplenews_subscription_manager_form_validate()
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* @see simplenews_subscription_manager_form_submit()
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*/
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function simplenews_subscription_manager_form(&$form_state, $snid = NULL) {
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global $user;
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if (isset($snid)) {
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$account = new stdClass();
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$account->snid = $snid;
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$subscription = simplenews_get_subscription($account);
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}
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else {
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$subscription = simplenews_get_subscription($user);
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}
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// If non-admin is trying to edit someone else's subscription, access denied.
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if ($user->uid && $user->uid != $subscription->uid && !user_access('administer simplenews subscriptions')) {
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drupal_access_denied();
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return;
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}
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$form = _simplenews_subscription_manager_form($subscription);
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$form['#validate'][] = 'simplenews_subscription_manager_form_validate';
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$form['#submit'][] = 'simplenews_subscription_manager_form_submit';
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$form['#redirect'] = ''; //Return to home page after (un)subscribe
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return $form;
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}
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function simplenews_subscription_manager_form_validate($form, &$form_state) {
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$valid_email = valid_email_address($form_state['values']['mail']);
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if (!$valid_email) {
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form_set_error('mail', t('The email address you supplied is not valid.'));
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}
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$checked_newsletters = array_filter($form_state['values']['newsletters']);
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$account = new stdClass();
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$account->mail = $form_state['values']['mail'];
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if (!count($checked_newsletters) && !simplenews_get_subscription($account)) {
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form_set_error('newsletters', t('You must select at least one newsletter.'));
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}
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}
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function simplenews_subscription_manager_form_submit($form, &$form_state) {
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switch ($form_state['values']['op']) {
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case t('Update'):
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// We first subscribe, then unsubscribe. This prevents deletion of subscriptions
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// when unsubscribed from the
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arsort($form_state['values']['newsletters'], SORT_NUMERIC);
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foreach ($form_state['values']['newsletters'] as $tid => $checked) {
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if ($checked) {
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simplenews_subscribe_user($form_state['values']['mail'], $tid, FALSE, 'website');
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}
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else {
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simplenews_unsubscribe_user($form_state['values']['mail'], $tid, FALSE, 'website');
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}
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}
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drupal_set_message(t('The newsletter subscriptions for %mail have been updated.', array('%mail' => $form_state['values']['mail'])));
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break;
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case t('Subscribe'):
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foreach ($form_state['values']['newsletters'] as $tid => $checked) {
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if ($checked) {
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simplenews_subscribe_user($form_state['values']['mail'], $tid, TRUE, 'website');
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}
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}
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drupal_set_message(t('You will receive a confirmation email shortly containing further instructions on how to complete your subscription.'));
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break;
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case t('Unsubscribe'):
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foreach ($form_state['values']['newsletters'] as $tid => $checked) {
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if ($checked) {
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simplenews_unsubscribe_user($form_state['values']['mail'], $tid, TRUE, 'website');
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}
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}
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drupal_set_message(t('You will receive a confirmation email shortly containing further instructions on how to complete the unsubscription process.'));
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break;
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}
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}
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/**
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* Menu callback: confirm the user's (un)subscription request
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*
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* This function is called by clicking the confirm link in the confirmation
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* email or the unsubscribe link in the footer of the newsletter. It handles
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* both subscription and unsubscription.
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*
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* @see simplenews_confirm_add_form()
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* @see simplenews_confirm_removal_form()
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*/
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function simplenews_confirm_subscription($op1 = NULL, $op2 = NULL) {
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$md5 = drupal_substr($op2, 0, 10);
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list($snid, $tid) = explode('t', drupal_substr($op2, 10));
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$result = db_query('SELECT snid, mail FROM {simplenews_subscriptions} WHERE snid = %d', $snid);
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if (!($subs = db_fetch_object($result))) {
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drupal_not_found();
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return;
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}
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if ($md5 == drupal_substr(md5($subs->mail . simplenews_private_key()), 0, 10)) {
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$newsletter = taxonomy_get_term($tid);
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if ($op1 == 'remove') {
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return drupal_get_form('simplenews_confirm_removal_form', $subs->mail, $newsletter);
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}
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elseif ($op1 == 'add') {
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return drupal_get_form('simplenews_confirm_add_form', $subs->mail, $newsletter);
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}
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}
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// If md5 didn't match, do a not found.
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drupal_not_found();
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return;
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}
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/**
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* Generate the confirm subscription form.
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*
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* @see simplenews_confirm_add_form_submit()
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*/
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function simplenews_confirm_add_form(&$form_state, $mail, $newsletter) {
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$form = array();
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$form['question'] = array('#value' => '<p>'. t('Are you sure you want to add %user to the %newsletter mailing list?', array('%user' => $mail, '%newsletter' => $newsletter->name)) ."<p>\n");
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$form['mail'] = array('#type' => 'value', '#value' => $mail);
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$form['newsletter'] = array('#type' => 'value', '#value' => $newsletter);
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$form['#redirect'] = '';
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return confirm_form($form,
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t('Confirm subscription'),
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'',
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t('You always have the option of unsubscribing later.'),
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t('Subscribe'),
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t('Cancel')
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);
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}
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function simplenews_confirm_add_form_submit($form, &$form_state) {
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simplenews_subscribe_user($form_state['values']['mail'], $form_state['values']['newsletter']->tid, FALSE, 'website');
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drupal_set_message(t('%user was added to the %newsletter mailing list.', array('%user' => $form_state['values']['mail'], '%newsletter' => $form_state['values']['newsletter']->name)));
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}
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/**
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* Generate the confirm unsubscription form.
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*
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* @see simplenews_confirm_removal_form_submit()
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*/
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function simplenews_confirm_removal_form(&$form_state, $mail, $newsletter) {
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$form = array();
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$form['question'] = array('#value' => '<p>'. t('Are you sure you want to remove %user from the %newsletter mailing list?', array('%user' => $mail, '%newsletter' => $newsletter->name)) ."<p>\n");
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$form['mail'] = array('#type' => 'value', '#value' => $mail);
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$form['newsletter'] = array('#type' => 'value', '#value' => $newsletter);
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$form['#redirect'] = '';
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return confirm_form($form,
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t('Confirm unsubscription'),
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'',
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t('This action will unsubscribe you from the newsletter mailing list.'),
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t('Unsubscribe'),
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t('Cancel')
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);
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}
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function simplenews_confirm_removal_form_submit($form, &$form_state) {
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simplenews_unsubscribe_user($form_state['values']['mail'], $form_state['values']['newsletter']->tid, FALSE, 'website');
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drupal_set_message(t('%user was unsubscribed from the %newsletter mailing list.', array('%user' => $form_state['values']['mail'], '%newsletter' => $form_state['values']['newsletter']->name)));
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}
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/**
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* Menu callback: handle the edit subscription page and a subscription
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* page for anonymous users.
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*/
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function simplenews_admin_users_form(&$form_state, $snid = NULL) {
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$form = simplenews_subscription_manager_form($form_state, $snid);
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$form['#redirect'] = 'admin/content/simplenews/users';
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return $form;
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}
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