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plugin.php
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plugin.php
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<?php
/*
Plugin Name: Newsletter
Plugin URI: http://www.satollo.net/plugins/newsletter
Description: Newsletter is a cool plugin to create your own subscriber list, to send newsletters, to build your business. <strong>Before update give a look to <a href="http://www.satollo.net/plugins/newsletter#update">this page</a> to know what's changed.</strong>
Version: 1.5.9
Author: Satollo
Author URI: http://www.satollo.net
Disclaimer: Use at your own risk. No warranty expressed or implied is provided.
*/
/* Copyright 2008 Satollo (email: info@satollo.net)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
define('NEWSLETTER', '1.5.9');
$newsletter_options_main = get_option('newsletter_main', array());
// Labels loading, after that $newsletter_labels is filled
$newsletter_labels = null;
@include_once(dirname(__FILE__) . '/languages/en_US.php');
if (WPLANG != '') @include_once(dirname(__FILE__) . '/languages/' . WPLANG . '.php');
@include_once(ABSPATH . 'wp-content/plugins/newsletter-custom/languages/en_US.php');
if (WPLANG != '') @include_once(ABSPATH . 'wp-content/plugins/newsletter-custom/languages/' . WPLANG . '.php');
// Don't try to hack that, Newsletter will badly fail
@include(ABSPATH . 'wp-content/plugins/newsletter-extras/newsletter-extras.php');
require_once(dirname(__FILE__) . '/widget.php');
$newsletter_step = 'subscription';
$newsletter_subscriber;
function newsletter_init_labels() {
}
function newsletter_label($name, $default='') {
global $newsletter_labels;
if (isset($newsletter_labels[$name])) return $newsletter_labels[$name];
return $default;
}
function newsletter_echo($name, $default) {
echo newsletter_label($name, $default);
}
function newsletter_request($name, $default=null ) {
if (!isset($_REQUEST[$name])) return $default;
return stripslashes_deep($_REQUEST[$name]);
}
function newsletter_subscribers_count() {
global $wpdb;
return $wpdb->get_var("select count(*) from " . $wpdb->prefix . "newsletter where status='C'");
}
function newsletter_embed_form($form=0) {
$options = get_option('newsletter');
if (newsletter_has_extras('1.0.2') && $form>0) {
echo str_replace('{newsletter_url}', $options['url'], newsletter_extras_get_form($form));
}
else {
echo '<div class="newsletter-embed-form">';
if (isset($options['noname'])) {
echo str_replace('{newsletter_url}', $options['url'], newsletter_label('embedded_form_noname'));
}
else {
echo str_replace('{newsletter_url}', $options['url'], newsletter_label('embedded_form'));
}
echo '</div>';
}
}
if (!is_admin()) {
add_shortcode('newsletter', 'newsletter_call');
add_shortcode('newsletter_form', 'newsletter_form_call');
}
function newsletter_form_call($attrs, $content=null) {
$options = get_option('newsletter');
if (newsletter_has_extras('1.0.2') && isset($attrs['form'])) {
$buffer = str_replace('{newsletter_url}', $options['url'], newsletter_extras_get_form($attrs['form']));
}
else {
$buffer = '<div class="newsletter-embed-form">';
if (!isset($options['noname'])) {
$buffer .= str_replace('{newsletter_url}', $options['url'], newsletter_label('embedded_form'));
}
else {
$buffer .= str_replace('{newsletter_url}', $options['url'], newsletter_label('embedded_form_noname'));
}
$buffer .= '</div>';
}
return $buffer;
}
function newsletter_call($attrs, $content=null) {
global $newsletter_step, $newsletter_subscriber;
$options = get_option('newsletter');
$buffer = '';
// When a user is starting the subscription process
if ($newsletter_step == 'subscription') {
$buffer .= $options['subscription_text'];
if (newsletter_has_extras('1.0.2') && isset($attrs['form'])) {
$buffer .= str_replace('{newsletter_url}', $options['url'], newsletter_extras_get_form($attrs['form']));
}
else {
if (isset($options['noname'])) {
$buffer .= newsletter_label('subscription_form_noname');
}
else {
$buffer .= newsletter_label('subscription_form');
}
//if (!defined('NEWSLETTER_EXTRAS'))
// $buffer .= '<div style="text-align:right;padding:0 10px;margin:0;"><a style="font-size:9px;color:#bbb;text-decoration:none" href="http://www.satollo.net">by satollo.net</a></div>';
}
}
// When a user asked to subscribe and the connfirmation request has been sent
if ($newsletter_step == 'subscribed') {
$text = newsletter_replace($options['subscribed_text'], $newsletter_subscriber);
$buffer .= $text;
}
if ($newsletter_step == 'confirmed') {
$text = newsletter_replace($options['confirmed_text'], $newsletter_subscriber);
$buffer .= $text;
if (isset($options['confirmed_tracking'])) {
ob_start();
eval('?>' . $options['confirmed_tracking']);
$buffer .= ob_get_clean();
}
}
// Here we are when an unsubscription is requested. There are two kind of unsubscription: the
// ones with email and token, so the user has only to confire and the ones without
// data, so the user is requested to insert his email. In the latter case an email
// will be sent to the user with alink to confirm the email removal.
if ($newsletter_step == 'unsubscription' || $newsletter_step == 'unsubscription_error') {
$newsletter_subscriber = newsletter_get_subscriber($_REQUEST['ni']);
$buffer = newsletter_replace($options['unsubscription_text'], $newsletter_subscriber);
$url = newsletter_add_qs($options['url'], 'na=uc&ni=' . $newsletter_subscriber->id .
'&nt=' . $_REQUEST['nt']);
$buffer = newsletter_replace_url($buffer, 'UNSUBSCRIPTION_CONFIRM_URL', $url);
}
// Last message shown to user to say good bye
if ($newsletter_step == 'unsubscribed') {
$text = $options['unsubscribed_text'];
$text = newsletter_replace($text, $newsletter_subscriber);
$buffer .= $text;
}
return '<div class="newsletter">' . $buffer . '</div>';
}
function newsletter_phpmailer_init($phpmailer) {
$options_email = get_option('newsletter_email');
$phpmailer->Sender = $options_email['return_path'];
}
/**
* Sends out newsletters.
*
* I recipients is an array of subscribers, other parameters are ignored and a test
* batch is started. This parameter has priority over all.
*
* If continue is true, the system try to continue a previous batch keeping its
* configuration (eg. if it was a simulation or not).
*
* If continue is false, simulate indicates if the batch is a simulation and forces
* the subscriber's email to a test one, as specified in the configuration.
*
* Return true if the batch is completed.
*/
function newsletter_send_batch() {
global $wpdb;
newsletter_info(__FUNCTION__, 'Start');
$options = get_option('newsletter');
$options_email = get_option('newsletter_email');
$batch = get_option('newsletter_batch');
if ($batch == null || !is_array($batch)) {
newsletter_error(__FUNCTION__, 'No batch found');
return;
}
newsletter_debug(__FUNCTION__, "Batch:\n" . print_r($last, true));
// Batch have to contain 'id' which is the starting id, 'simulate' boolean
// to indicate if is a simulation or not, 'scheduled' if it's a scheduled
// sending process. 'list' is the list number, required.
// If 'id' = 0 it's a new seding process.
if (!isset($batch['id'])) {
newsletter_error(__FUNCTION__, 'Batch "id" parameter not present');
return false;
}
if (!isset($batch['list'])) {
newsletter_error(__FUNCTION__, 'Batch "list" parameter not present');
return false;
}
if (!isset($batch['simulate'])) {
newsletter_error(__FUNCTION__, 'Batch "simulate" parameter not present');
return false;
}
if (!isset($batch['scheduled'])) {
newsletter_error(__FUNCTION__, 'Batch "scheduled" parameter not present');
return false;
}
$id = (int)$batch['id'];
$list = (int)$batch['list'];
$simulate = (bool)$batch['simulate'];
$scheduled = (bool)$batch['scheduled']; // Used to avoid echo
if ($scheduled) {
$max = $options_email['scheduler_max'];
if (!is_numeric($max)) $max = 10;
}
else {
$max = $options_email['max'];
if (!is_numeric($max)) $max = 0;
}
$query = "select * from " . $wpdb->prefix . "newsletter where status='C' and list=" . $list .
" and id>" . $id . " order by id";
if ($max > 0) {
$query .= " limit " . $max;
}
$recipients = $wpdb->get_results($query);
// For a new batch save some info
if ($id == 0) {
newsletter_delete_batch_file();
wp_clear_scheduled_hook('newsletter_cron_hook');
$batch['total'] = $wpdb->get_var("select count(*) from " . $wpdb->prefix . "newsletter where status='C' and list=" . $list);
$batch['sent'] = 0;
$batch['completed'] = false;
$batch['message'] = '';
}
// Not all hosting provider allow this...
@set_time_limit(100000);
$start_time = time();
$max_time = (int)(ini_get('max_execution_time') * 0.8);
$db_time = time();
if (!$scheduled) {
echo 'Sending to: <br />';
}
if (isset($options_email['novisual'])) {
$message = $options_email['message'];
}
else {
$message = '<html><head><style type="text/css">' . newsletter_get_theme_css($options_email['theme']) .
'</style></head><body>' . $options_email['message'] . '</body></html>';
}
$idx = 0;
add_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_init_mail();
foreach ($recipients as $r) {
$url = newsletter_add_qs($options['url'],
'na=u&ni=' . $r->id . '&nt=' . $r->token);
$m = newsletter_replace_url($message, 'UNSUBSCRIPTION_URL', $url);
$m = newsletter_replace($m, $r);
if (defined('NEWSLETTER_EXTRAS') && isset($options_email['track']))
$m = newsletter_relink($m, $r->id, $options_email['name']);
$s = $options_email['subject'];
$s = newsletter_replace($s, $r);
if ($simulate) {
$x = newsletter_mail($options_email['simulate_email'], $s, $m, true);
}
else {
$x = newsletter_mail($r->email, $s, $m, true);
}
if (!$scheduled) {
echo htmlspecialchars($r->name) . ' (' . $r->email . ') ';
if ($x) {
echo '[OK] - ';
newsletter_debug(__FUNCTION__, 'Sent to ' . $r->id . ' success');
} else {
echo '[KO] - ';
newsletter_debug(__FUNCTION__, 'Sent to ' . $r->id . ' failed');
}
flush();
}
$idx++;
$batch['sent']++;
$batch['id'] = $r->id;
// Try to avoid database timeout
if (time()-$db_time > 15) {
newsletter_debug(__FUNCTION__, 'Batch saving to avoid database timeout');
$db_time = time();
$batch['message'] = 'Temporary saved batch to avoid database timeout';
if (!update_option('newsletter_batch', $batch)) {
newsletter_error(__FUNCTION__, 'Unable to save to database, saving on file system');
newsletter_error(__FUNCTION__, "Batch:\n" . print_r($batch, true));
newsletter_save_batch_file($batch);
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return false;
}
}
// Check for the max emails per batch
if ($max != 0 && $idx >= $max) {
newsletter_info(__FUNCTION__, 'Batch saving due to max emails limit reached');
$batch['message'] = 'Batch max emails limit reached (it is ok)';
if (!update_option('newsletter_batch', $batch)) {
newsletter_error(__FUNCTION__, 'Unable to save to database, saving on file system');
newsletter_error(__FUNCTION__, "Batch:\n" . print_r($batch, true));
newsletter_save_batch_file($batch);
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return false;
}
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return true;
}
// Timeout check, max time is zero if set_time_limit works
if (($max_time != 0 && (time()-$start_time) > $max_time)) {
newsletter_info(__FUNCTION__, 'Batch saving due to max time limit reached');
$batch['message'] = 'Batch max time limit reached (it is ok)';
if (!update_option('newsletter_batch', $batch)) {
newsletter_error(__FUNCTION__, 'Unable to save to database, saving on file system');
newsletter_error(__FUNCTION__, "Batch:\n" . print_r($last, true));
newsletter_save_batch_file($batch);
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return false;
}
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return true;
}
}
// All right (incredible!)
newsletter_info(__FUNCTION__, 'Sending completed!');
$batch['completed'] = true;
$batch['message'] = '';
if (!update_option('newsletter_batch', $batch)) {
newsletter_error(__FUNCTION__, 'Unable to save to database, saving on file system');
newsletter_error(__FUNCTION__, "Batch:\n" . print_r($last, true));
newsletter_save_batch_file($batch);
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return false;
}
remove_action('phpmailer_init','newsletter_phpmailer_init');
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
return true;
}
/**
* Send a set of test emails to a list of recipents. The recipients are created
* in the composer page using the test addresses.
*/
function newsletter_send_test($recipients) {
global $wpdb;
newsletter_info(__FUNCTION__, 'Start');
$options = get_option('newsletter');
$options_email = get_option('newsletter_email');
@set_time_limit(100000);
echo 'Sending to: <br />';
if (isset($options_email['novisual'])) {
$message = $options_email['message'];
}
else {
$message = '<html><head><style type="text/css">' . newsletter_get_theme_css($options_email['theme']) .
'</style></head><body>' . $options_email['message'] . '</body></html>';
}
if (newsletter_has_extras('1.0.4')) newsletter_init_mail();
foreach ($recipients as $r) {
$url = newsletter_add_qs($options['url'],
'na=u&ni=' . $r->id . '&nt=' . $r->token);
$m = newsletter_replace_url($message, 'UNSUBSCRIPTION_URL', $url);
$m = newsletter_replace($m, $r);
if (defined('NEWSLETTER_EXTRAS') && isset($options_email['track']))
$m = newsletter_relink($m, $r->id, $options_email['name']);
$s = $options_email['subject'];
$s = newsletter_replace($s, $r);
$x = newsletter_mail($r->email, $s, $m, true);
echo htmlspecialchars($r->name) . ' (' . $r->email . ') ';
flush();
if ($x) {
echo '[OK] -- ';
newsletter_debug(__FUNCTION__, 'Sent to ' . $r->id . ' success');
} else {
echo '[KO] -- ';
newsletter_debug(__FUNCTION__, 'Sent to ' . $r->id . ' failed');
}
}
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
}
function newsletter_add_qs($url, $qs, $amp=true) {
if (strpos($url, '?') !== false) {
if ($amp) return $url . '&' . $qs;
else return $url . '&' . $qs;
}
else return $url . '?' . $qs;
}
/**
* Add a request of newsletter subscription into the database with status "S" (waiting
* confirmation) and sends out the confirmation request email to the subscriber.
* The email will contain an URL (or link) the user has to follow to complete the
* subscription (double opt-in).
*/
function newsletter_subscribe($email, $name='', $profile=null) {
global $wpdb, $newsletter_subscriber;
$options = get_option('newsletter');
$email = newsletter_normalize_email($email);
$name = newsletter_normalize_name($name);
$list = 0;
if ($profile == null) $profile = array();
// Check if this email is already in our database: if so, just resend the
// confirmation email.
$newsletter_subscriber = newsletter_get_subscriber_by_email($email, $list);
if (!$newsletter_subscriber) {
$token = md5(rand());
if (isset($options['noconfirmation'])) {
$status = 'C';
}
else {
$status = 'S';
}
@$wpdb->insert($wpdb->prefix . 'newsletter', array(
'email'=>$email,
'name'=>$name,
'token'=>$token,
'list'=>$list,
'status'=>$status
//'profile'=>serialize($profile)
));
$id = $wpdb->insert_id;
$newsletter_subscriber = newsletter_get_subscriber($id);
// Profile saving
foreach ($profile as $key=>$value) {
@$wpdb->insert($wpdb->prefix . 'newsletter_profiles', array(
'newsletter_id'=>$id,
'name'=>$key,
'value'=>$value));
}
}
if (isset($options['noconfirmation'])) {
newsletter_send_welcome($newsletter_subscriber);
}
else {
newsletter_send_confirmation($newsletter_subscriber);
}
$message = 'There is a new subscriber to ' . get_option('blogname') . ' newsletter:' . "\n\n" .
$name . ' <' . $email . '>' . "\n\n" .
'Have a nice day,' . "\n" . 'your Newsletter plugin.';
$subject = '[' . get_option('blogname') . '] New subscription';
newsletter_notify_admin($subject, $message);
}
function newsletter_save($subscriber) {
global $wpdb;
$email = newsletter_normalize_email($email);
$name = newsletter_normalize_name($name);
$wpdb->query($wpdb->prepare("update " . $wpdb->prefix . "newsletter set email=%s, name=%s where id=%d",
$subscriber['email'], $subscriber['name'], $subscriber['id']));
}
/**
* Resends the confirmation message when asked by user manager panel.
*/
function newsletter_send_confirmation($subscriber) {
$options = get_option('newsletter');
newsletter_debug(__FUNCTION__, "Confirmation request to:\n" . print_r($subscriber, true));
$message = $options['confirmation_message'];
$html = newsletter_get_theme_html($options['theme']);
if ($html == null) $html = '{message}';
$message = str_replace('{message}', $message, $html);
// The full URL to the confirmation page
$url = newsletter_add_qs($options['url'], 'na=c&ni=' . $subscriber->id .
'&nt=' . $subscriber->token);
$message = newsletter_replace_url($message, 'SUBSCRIPTION_CONFIRM_URL', $url);
// URL to the unsubscription page (for test purpose)
$url = newsletter_add_qs($options['url'], 'na=u&ni=' . $subscriber->id .
'&nt=' . $subscriber->token);
$message = newsletter_replace_url($message, 'UNSUBSCRIPTION_URL', $url);
$message = newsletter_replace($message, $subscriber);
$subject = newsletter_replace($options['confirmation_subject'], $subscriber);
if (newsletter_has_extras('1.0.4')) newsletter_init_mail();
newsletter_mail($subscriber->email, $subject, $message);
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
}
/**
* Return a subscriber by his email. The email will be sanitized and normalized
* before issuing the query to the database.
*/
function newsletter_get_subscriber($id) {
global $wpdb;
$recipients = $wpdb->get_results($wpdb->prepare("select * from " . $wpdb->prefix .
"newsletter where id=%d", $id));
if (!$recipients) return null;
return $recipients[0];
}
function newsletter_get_subscriber_by_email($email, $list=0) {
global $wpdb;
$recipients = $wpdb->get_results($wpdb->prepare("select * from " . $wpdb->prefix .
"newsletter where email=%s and list=%d", $email, $list));
if (!$recipients) return null;
return $recipients[0];
}
function newsletter_get_all() {
global $wpdb;
$recipients = $wpdb->get_results("select * from " . $wpdb->prefix . "newsletter order by email");
return $recipients;
}
function newsletter_search($text, $status=null, $order='email') {
global $wpdb;
if ($order == 'id') $order = 'id desc';
$query = "select * from " . $wpdb->prefix . "newsletter where 1=1";
if ($status != null) {
$query .= " and status='" . $wpdb->escape($status) . "'";
}
if ($text == '') {
$recipients = $wpdb->get_results($query . " order by " . $order . ' limit 100');
}
else {
$recipients = $wpdb->get_results($query . " and email like '%" .
$wpdb->escape($text) . "%' or name like '%" . $wpdb->escape($text) . "%' order by " . $order . ' limit 100');
}
if (!$recipients) return null;
return $recipients;
}
function newsletter_get_unconfirmed() {
global $wpdb;
$recipients = $wpdb->get_results("select * from " . $wpdb->prefix . "newsletter where status='S' order by email");
return $recipients;
}
/**
* Normalize an email address,making it lowercase and trimming spaces.
*/
function newsletter_normalize_email($email) {
return strtolower(trim($email));
}
function newsletter_normalize_name($name) {
$name = str_replace(';', ' ', $name);
$name = strip_tags($name);
return $name;
}
add_action('init', 'newsletter_init');
/**
* Intercept the request parameters which drive the subscription and unsubscription
* process.
*/
function newsletter_init() {
global $newsletter_step, $wpdb, $newsletter_subscriber;
global $hyper_cache_stop;
// "na" always is the action to be performed - stands for "newsletter action"
$action = $_REQUEST['na'];
if (!$action) return;
$hyper_cache_stop = true;
if (defined('NEWSLETTER_EXTRAS')) newsletter_extra_init($action);
$options = get_option('newsletter');
// Subscription request from a subscription form (in page or widget), can be
// a direct subscription with no confirmation
if ($action == 's') {
if (!newsletter_is_email($_REQUEST['ne'])) {
die(newsletter_label('error_email'));
}
// If not set, the subscription form is not requesting the name, so we do not
// raise errors.
if (isset($_REQUEST['nn'])) {
if (trim($_REQUEST['nn']) == '') {
die(newsletter_label('error_name'));
}
}
else {
$_REQUEST['nn'] = '';
}
$profile1 = $_REQUEST['np'];
if (!isset($profile1) || !is_array($profile1)) $profile1 = array();
// keys starting with "_" are removed because used internally
$profile = array();
foreach ($profile1 as $k=>$v) {
if ($k[0] == '_') continue;
$profile[$k] = $v;
}
$profile['_ip'] = $_SERVER['REMOTE_ADDR'];
$profile['_referrer'] = $_SERVER['HTTP_REFERER'];
// Check if the group is good
newsletter_subscribe($_REQUEST['ne'], $_REQUEST['nn'], $profile);
if (isset($options['noconfirmation'])) {
$newsletter_step = 'confirmed';
}
else {
$newsletter_step = 'subscribed';
}
return;
}
// A request to confirm a subscription
if ($action == 'c') {
$id = $_REQUEST['ni'];
newsletter_confirm($id, $_REQUEST['nt']);
header('Location: ' . newsletter_add_qs($options['url'], 'na=cs&ni=' . $id . '&nt=' . $_REQUEST['nt'], false));
die();
}
// Show the confirmed message after a redirection (to avoid mutiple email sending).
// Redirect is sent by action "c".
if ($action == 'cs') {
$newsletter_subscriber = newsletter_get_subscriber($_REQUEST['ni']);
if ($newsletter_subscriber->token != $_REQUEST['nt']) die('Ivalid token');
$newsletter_step = 'confirmed';
}
// Unsubscription process has 2 options: if email and token are specified the user
// will only be asked to confirm. If there is no infos of who remove (when
// mass mail mode is used) the user will be asked to type the emailto be removed.
if ($action == 'u') {
$newsletter_step = 'unsubscription';
}
// User confirmed he want to unsubscribe clicking the link on unsubscription
// page
if ($action == 'uc') {
newsletter_unsubscribe($_REQUEST['ni'], $_REQUEST['nt']);
$newsletter_step = 'unsubscribed';
}
}
/**
* Deletes a subscription (no way back). Fills the global $newsletter_subscriber
* with subscriber data to be used to build up messages.
*/
function newsletter_unsubscribe($id, $token) {
global $newsletter_subscriber, $wpdb;
// Save the subscriber for good bye page
$newsletter_subscriber = newsletter_get_subscriber($id);
$wpdb->query($wpdb->prepare("delete from " . $wpdb->prefix . "newsletter where id=%d" .
" and token=%s", $id, $token));
$options = get_option('newsletter');
$html = newsletter_get_theme_html($options['theme']);
if ($html == null) $html = '{message}';
$message = str_replace('{message}', $options['unsubscribed_message'], $html);
$message = newsletter_replace($message, $newsletter_subscriber);
// URL to the unsubscription page (for test purpose)
// $url = newsletter_add_qs($options['url'], 'na=u&ni=' . $newsletter_subscriber->id .
// '&nt=' . $newsletter_subscriber->token);
// $message = newsletter_replace_url($message, 'UNSUBSCRIPTION_URL', $url);
$subject = newsletter_replace($options['unsubscribed_subject'], $newsletter_subscriber);
if (newsletter_has_extras('1.0.4')) newsletter_init_mail();
newsletter_mail($newsletter_subscriber->email, $subject, $message);
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
// Admin notification
$message = 'There is an unsubscription to ' . get_option('blogname') . ' newsletter:' . "\n\n" .
$newsletter_subscriber->name . ' <' . $newsletter_subscriber->email . '>' . "\n\n" .
'Have a nice day,' . "\n" . 'your Newsletter plugin.';
$subject = '[' . get_option('blogname') . '] Unsubscription';
newsletter_notify_admin($subject, $message);
}
/*
* Deletes a specific subscription. Called only from the admin panel.
*/
function newsletter_delete($id) {
global $wpdb;
$wpdb->query($wpdb->prepare("delete from " . $wpdb->prefix . "newsletter where id=%d", $id));
}
function newsletter_delete_all($status=null) {
global $wpdb;
if ($status == null) {
$wpdb->query("delete from " . $wpdb->prefix . "newsletter");
}
else {
$wpdb->query("delete from " . $wpdb->prefix . "newsletter where status='" . $wpdb->escape($status) . "'");
}
}
/**
* Confirms a subscription identified by id and token, changing it's status on
* database. Fill the global $newsletter_subscriber with user data.
* If the subscription id already confirmed, the welcome email is still sent to
* the subscriber (the welcome email can contains somthing reserved to the user
* and he may has lost it).
* If id and token do not match, the function does nothing.
*/
function newsletter_confirm($id, $token) {
global $wpdb, $newsletter_subscriber;
$options = get_option('newsletter');
$newsletter_subscriber = newsletter_get_subscriber($id);
newsletter_info(__FUNCTION__, "Starting confirmation of subscriber " . $id);
if ($newsletter_subscriber == null) {
newsletter_error(__FUNCTION__, "Subscriber not found");
return;
}
if ($newsletter_subscriber->token != $token) {
newsletter_error(__FUNCTION__, "Token not matching");
return;
}
newsletter_debug(__FUNCTION__, "Confirming subscriber:\n" . print_r($newsletter_subscriber, true));
$count = $wpdb->query($wpdb->prepare("update " . $wpdb->prefix . "newsletter set status='C' where id=%d", $id));
newsletter_send_welcome($newsletter_subscriber);
}
function newsletter_send_welcome($subscriber) {
$options = get_option('newsletter');
newsletter_debug(__FUNCTION__, "Welcome message to:\n" . print_r($subscriber, true));
$html = newsletter_get_theme_html($options['theme']);
if ($html == null) $html = '{message}';
$message = str_replace('{message}', $options['confirmed_message'], $html);
$message = newsletter_replace($message, $subscriber);
// URL to the unsubscription page (for test purpose)
$url = newsletter_add_qs($options['url'], 'na=u&ni=' . $subscriber->id .
'&nt=' . $subscriber->token);
$message = newsletter_replace_url($message, 'UNSUBSCRIPTION_URL', $url);
$subject = newsletter_replace($options['confirmed_subject'], $subscriber);
if (newsletter_has_extras('1.0.4')) newsletter_init_mail();
newsletter_mail($subscriber->email, $subject, $message);
if (newsletter_has_extras('1.0.4')) newsletter_close_mail();
}
/*
* Changes the status of a subscription identified by its id.
*/
function newsletter_set_status($id, $status) {
global $wpdb;
$wpdb->query($wpdb->prepare("update " . $wpdb->prefix . "newsletter set status=%s where id=%d", $status, $id));
}
/*
* Sends a notification message to the blog admin.
*/
function newsletter_notify_admin(&$subject, &$message) {
$to = get_option('admin_email');
$headers .= "Content-type: text/plain; charset=UTF-8\n";
wp_mail($to, $subject, $message, $headers);
}
/**
* Sends out an email (html or text). From email and name is retreived from
* Newsletter plugin options. Return false on error. If the subject is empty
* no email is sent out without warning.
* The function uses wp_mail() to really send the message.
*/
function newsletter_mail($to, &$subject, &$message, $html=true) {
global $newsletter_mailer, $newsletter_options_main;
if ($subject == '') {
newsletter_debug(__FUNCTION__, 'Subject empty, skipped');
return true;
}
if (newsletter_has_extras('1.0.4')) {
return newsletter_extra_mail($to, &$subject, &$message, $html);
}
$options = get_option('newsletter');
$headers = "MIME-Version: 1.0\n";
if ($html) $headers .= "Content-type: text/html; charset=UTF-8\n";
else $headers .= "Content-type: text/plain; charset=UTF-8\n";
// Special character are manager by wp_mail()
$headers .= 'From: "' . $options['from_name'] . '" <' . $options['from_email'] . ">\n";
$r = wp_mail($to, $subject, $message, $headers);
if (!$r) {
newsletter_error(__FUNCTION__, "wp_mail() failed");
}
return $r;
}
add_action('activate_newsletter/plugin.php', 'newsletter_activate');
function newsletter_activate() {
global $wpdb, $newsletter_options_main;
$options = get_option('newsletter', array());
if (NEWSLETTER >= '1.5.2') {
if (isset($options['logs'])) $newsletter_options_main['logs'] = $options['logs'];
if (isset($options['editor'])) $newsletter_options_main['editor'] = $options['editor'];
if (isset($options['version'])) $newsletter_options_main['version'] = $options['version'];
if (isset($options['no_translation'])) $newsletter_options_main['no_translation'] = $options['no_translation'];
}
// Load the default options
@include_once(dirname(__FILE__) . '/languages/en_US_options.php');
if (WPLANG != '') @include_once(dirname(__FILE__) . '/languages/' . WPLANG . '_options.php');
//@include_once(ABSPATH . 'wp-content/newsletter/languages/custom_options.php');
$options = array_merge($newsletter_default_options, $options);
// SQL to create the table
$sql = 'create table if not exists ' . $wpdb->prefix . 'newsletter (
`id` int not null auto_increment primary key,
`name` varchar (100) not null default \'\',
`email` varchar (100) not null default \'\',
`token` varchar (50) not null default \'\',
`status` varchar (1) not null default \'S\',
`group` int not null default 0,
`profile` text
)';
@$wpdb->query($sql);
if (!isset($newsletter_options_main['version']) || $newsletter_options_main['version'] < '1.4.0') {
$sql = "alter table " . $wpdb->prefix . "newsletter drop primary key";
@$wpdb->query($sql);
$sql = "alter table " . $wpdb->prefix . "newsletter add column id int not null auto_increment primary key";
@$wpdb->query($sql);
$sql = "alter table " . $wpdb->prefix . "newsletter add column list int not null default 0";
@$wpdb->query($sql);
$sql = "alter table " . $wpdb->prefix . "newsletter drop key email_token";
@$wpdb->query($sql);
$sql = "alter table " . $wpdb->prefix . "newsletter add column profile text";
@$wpdb->query($sql);
$sql = "ALTER TABLE " . $wpdb->prefix . "newsletter ADD UNIQUE email_list (email, list)";
@$wpdb->query($sql);
}
if (!isset($newsletter_options_main['version']) || $newsletter_options_main['version'] < '1.4.1') {
$sql = "alter table " . $wpdb->prefix . "newsletter add column created timestamp not null default current_timestamp";
@$wpdb->query($sql);
}
$sql = 'create table if not exists ' . $wpdb->prefix . 'newsletter_profiles (
`newsletter_id` int not null,
`name` varchar (100) not null default \'\',
`value` text,
primary key (newsletter_id, name)
)';
@$wpdb->query($sql);
newsletter_info(__FUNCTION__, 'Activated');
$newsletter_options_main['version'] = NEWSLETTER;