cleantalk-admin.php

<?php

$ct_plugin_basename = 'cleantalk-spam-protect/cleantalk.php';
$ct_options=ct_get_options();
$ct_data=ct_get_data();

if(isset($_GET['close_notice']))
{
	global $ct_data, $pagenow;
	//$ct_data=ct_get_data();
	$ct_data['next_notice_show']=time()+86400;
	update_option('cleantalk_data', $ct_data);
	$_SERVER["QUERY_STRING"]=str_replace("close_notice=1","",$_SERVER["QUERY_STRING"]);
	header("Location: $pagenow?".$_SERVER["QUERY_STRING"]);
}

require_once('cleantalk.class.php');

// Timeout to get app server
$ct_server_timeout = 10;


/**
 * Admin action 'admin_print_footer_scripts' - Enqueue admin script for checking if timezone offset is saved in settings
 */

add_action( 'admin_print_footer_scripts', 'ct_add_stats_js' );

function ct_add_stats_js()
{
	echo "<script src='".plugins_url( 'cleantalk-stats.js', __FILE__ )."'></script>\n";
}


/**
 * Admin action 'wp_ajax_ajax_get_timezone' - Ajax method for getting timezone offset
 */
 
function ct_ajax_get_timezone()
{
	global $ct_data;
	check_ajax_referer( 'ct_secret_nonce', 'security' );
	//$ct_data = ct_get_data();
	if(isset($_POST['offset']))
	{
		$ct_data['timezone'] = intval($_POST['offset']);
		update_option('cleantalk_data', $ct_data);
	}
}
 
add_action( 'wp_ajax_ajax_get_timezone', 'ct_ajax_get_timezone' );


/**
 * Admin action 'admin_enqueue_scripts' - Enqueue admin script of reloading admin page after needed AJAX events
 * @param 	string $hook URL of hooked page
 */
function ct_enqueue_scripts($hook) {
    if ($hook == 'edit-comments.php')
        wp_enqueue_script('ct_reload_script', plugins_url('/cleantalk-rel.js', __FILE__));
}

/**
 * Admin action 'admin_menu' - Add the admin options page
 */
function ct_admin_add_page() {
    add_options_page(__('CleanTalk settings', 'cleantalk'), 'CleanTalk', 'manage_options', 'cleantalk', 'ct_settings_page');
}

/**
 * Admin action 'admin_init' - Add the admin settings and such
 */
function ct_admin_init() {
    global $ct_server_timeout, $show_ct_notice_autokey, $ct_notice_autokey_label, $ct_notice_autokey_value, $show_ct_notice_renew, $ct_notice_renew_label, $show_ct_notice_trial, $ct_notice_trial_label, $show_ct_notice_online, $ct_notice_online_label, $renew_notice_showtime, $trial_notice_showtime, $ct_plugin_name, $ct_options, $ct_data, $trial_notice_check_timeout, $account_notice_check_timeout, $ct_user_token_label, $cleantalk_plugin_version, $notice_check_timeout;

    //$ct_options = ct_get_options();
    //$ct_data = ct_get_data();
    
    $current_version=@trim($ct_data['current_version']);
    if($current_version!=$cleantalk_plugin_version)
    {
    	$ct_data['current_version']=$cleantalk_plugin_version;
    	update_option('cleantalk_data', $ct_data);
    	$ct_base_call_result = ct_base_call(array(
	        'message' => 'CleanTalk connection test',
	        'example' => null,
	        'sender_email' => 'stop_email@example.com',
	        'sender_nickname' => 'CleanTalk',
	        'post_info' => '',
	        'checkjs' => 1
	    ));
    }
    if(isset($_POST['option_page'])&&$_POST['option_page']=='cleantalk_settings')
    {
    	$ct_base_call_result = ct_base_call(array(
	        'message' => 'CleanTalk connection test',
	        'example' => null,
	        'sender_email' => 'stop_email@example.com',
	        'sender_nickname' => 'CleanTalk',
	        'post_info' => '',
	        'checkjs' => 1
	    ));
    }

    $show_ct_notice_trial = false;
    if (isset($_COOKIE[$ct_notice_trial_label])) {
        if ($_COOKIE[$ct_notice_trial_label] == 1) {
            $show_ct_notice_trial = true;
        }
    }
    $show_ct_notice_renew = false;
    if (isset($_COOKIE[$ct_notice_renew_label])) {
        if ($_COOKIE[$ct_notice_renew_label] == 1) {
            $show_ct_notice_renew = true;
        }
    }
    $show_ct_notice_autokey = false;
    if (isset($_COOKIE[$ct_notice_autokey_label]) && !empty($_COOKIE[$ct_notice_autokey_label])) {
        if (!empty($_COOKIE[$ct_notice_autokey_label])) {
            $show_ct_notice_autokey = true;
            $ct_notice_autokey_value = base64_decode($_COOKIE[$ct_notice_autokey_label]);
    	    setcookie($ct_notice_autokey_label, '', 1, '/');
        }
    }
    
    if (isset($_POST['get_apikey_auto'])){
		    $email = get_option('admin_email');
		    $website = parse_url(get_option('siteurl'),PHP_URL_HOST);
		    $platform = 'wordpress';
		    
		    $result = getAutoKey($email, $website, $platform);

            if ($result) {
            	$result = json_decode($result, true);
                if (isset($result['data']) && is_array($result['data'])) {
            	    $result = $result['data'];
		}
				if(isset($result['user_token']))
				{
				
					$ct_data['user_token'] = $result['user_token'];
					update_option('cleantalk_data', $ct_data);
				}
                if (isset($result['auth_key']) && !empty($result['auth_key']))
                {
					$_POST['cleantalk_settings']['apikey'] = $result['auth_key'];
					$ct_options['apikey']=$result['auth_key'];
					update_option('cleantalk_settings', $ct_options);
					$ct_base_call_result = ct_base_call(array(
				        'message' => 'CleanTalk connection test',
				        'example' => null,
				        'sender_email' => 'stop_email@example.com',
				        'sender_nickname' => 'CleanTalk',
				        'post_info' => '',
				        'checkjs' => 1
				    ));					
                } else {
		    setcookie($ct_notice_autokey_label, (string) base64_encode($result['error_message']), 0, '/');
		}
            } else {
		setcookie($ct_notice_autokey_label, (string) base64_encode(sprintf(__('Unable to connect to %s.', 'cleantalk'),  'api.cleantalk.org')), 0, '/');
            }
    }
    
    if (time() > $ct_data['next_account_status_check']||
    	isset($_POST['option_page'])&&$_POST['option_page']=='cleantalk_settings'&&$ct_options['apikey']!=$_POST['cleantalk_settings']['apikey']) {
        $result = false;
	    if (function_exists('curl_init') && function_exists('json_decode') && ct_valid_key($ct_options['apikey'])) {
	    	if(@isset($_POST['cleantalk_settings']['apikey']))
	    	{
            	$result=noticePaidTill($_POST['cleantalk_settings']['apikey']);            
            }
            else
            {
            	$result=noticePaidTill($ct_options['apikey']);    
            }
            
            if ($result) {
                $result = json_decode($result, true);
                if (isset($result['data']) && is_array($result['data'])) {
            	    $result = $result['data'];
		}

                if (isset($result['show_notice'])) {
                    if ($result['show_notice'] == 1 && isset($result['trial']) && $result['trial'] == 1) {
                        $notice_check_timeout = $trial_notice_check_timeout;
                        $show_ct_notice_trial = true;
                    }
                    if ($result['show_notice'] == 1 && isset($result['renew']) && $result['renew'] == 1) {
                        $notice_check_timeout = $account_notice_check_timeout;
                        $show_ct_notice_renew = true;
                    }
                    
                    if ($result['show_notice'] == 0) {
                        $notice_check_timeout = $account_notice_check_timeout; 
                    }
                }
                
                if (isset($result['user_token'])) {
                    $ct_data['user_token'] = $result['user_token']; 
                }
            }
            
            // Save next status request time
            $ct_data['next_account_status_check'] = strtotime("+$notice_check_timeout hours", time());
            update_option('cleantalk_data', $ct_data);
        }
        
        if ($result) {
	    if($show_ct_notice_trial == true){
        	setcookie($ct_notice_trial_label, (string) $show_ct_notice_trial, strtotime("+$trial_notice_showtime minutes"), '/');
	    }
	    if($show_ct_notice_renew == true){
        	setcookie($ct_notice_renew_label, (string) $show_ct_notice_renew, strtotime("+$renew_notice_showtime minutes"), '/');
	    }
        }
    }

    $show_ct_notice_online = '';
    if (isset($_COOKIE[$ct_notice_online_label])) {
        if ($_COOKIE[$ct_notice_online_label] === 'BAD_KEY') {
            $show_ct_notice_online = 'N';
	} else if (time() - $_COOKIE[$ct_notice_online_label] <= 5) {
            $show_ct_notice_online = 'Y';
        }
    }

    ct_init_session();
    
    if(isset($ct_data['testing_failed'])&&$ct_data['testing_failed']==1)
    {
    	$buttons_html='	
<style type="text/css">
#ct_button_check_comments, #ct_button_check_users {background: #999999;}
    	
    	';
    }
    else
    {
    	$buttons_html='
<style type="text/css">
#ct_button_check_comments, #ct_button_check_users {background: #69dd69;}
    	
    	';
    }
    
    $buttons_html.='
#ct_button_check_comments, #ct_button_check_users  {padding: 10px; color: #fff; border:0 none;
    cursor:pointer;
    -webkit-border-radius: 5px;
    border-radius: 5px; 
    font-size: 12pt;
    text-decoration:none;
    margin-bottom:5px;
    display:inline-block;
}
</style>';
if(isset($ct_data['testing_failed'])&&$ct_data['testing_failed']==1)
{
	$buttons_html.='<a href="#" id="ct_button_check_comments" onclick="alert('."'".__('Feature is disabled, because testing of access key is failed!', 'cleantalk')."'".')">'.__('Check comments', 'cleantalk').'</a>
<a href="#" id="ct_button_check_users" onclick="alert('."'".__('Feature is disabled, because testing of access key is failed!', 'cleantalk')."'".')">'.__('Check users', 'cleantalk').'</a><div class="clear"></div>';
}
else
{
	$buttons_html.='<a href="edit-comments.php?page=ct_check_spam&do_check=1" id="ct_button_check_comments">'.__('Check comments', 'cleantalk').'</a>
<a href="users.php?page=ct_check_users&do_check=1" id="ct_button_check_users">'.__('Check users', 'cleantalk').'</a><div class="clear"></div>';
}
    
    register_setting('cleantalk_settings', 'cleantalk_settings', 'ct_settings_validate');
    add_settings_section('cleantalk_settings_main', __($ct_plugin_name, 'cleantalk'), 'ct_section_settings_main', 'cleantalk');
    add_settings_section('cleantalk_settings_state', "<hr>".__('Protection is active for:', 'cleantalk'), 'ct_section_settings_state', 'cleantalk');
    //add_settings_section('cleantalk_settings_autodel', "<hr>", 'ct_section_settings_autodel', 'cleantalk');
    add_settings_section('cleantalk_settings_anti_spam', "<hr>Check existing comments and users <br /><br />$buttons_html<hr>".__('Advanced settings', 'cleantalk'), 'ct_section_settings_anti_spam', 'cleantalk');
    add_settings_field('cleantalk_apikey', __('Access key', 'cleantalk'), 'ct_input_apikey', 'cleantalk', 'cleantalk_settings_main');
    add_settings_field('cleantalk_remove_old_spam', __('Automatically delete spam comments', 'cleantalk'), 'ct_input_remove_old_spam', 'cleantalk', 'cleantalk_settings_anti_spam');
    
    add_settings_field('cleantalk_registrations_test', __('Registration forms', 'cleantalk'), 'ct_input_registrations_test', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_comments_test', __('Comments form', 'cleantalk'), 'ct_input_comments_test', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_contact_forms_test', __('Contact forms', 'cleantalk'), 'ct_input_contact_forms_test', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_general_contact_forms_test', __('Custom contact forms', 'cleantalk'), 'ct_input_general_contact_forms_test', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_general_postdata_test', __('Check all post data', 'cleantalk'), 'ct_input_general_postdata_test', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_show_adminbar', __('Show statistics in admin bar', 'cleantalk'), 'ct_input_show_adminbar', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_use_ajax', __('Use AJAX for JavaScript check', 'cleantalk'), 'ct_input_use_ajax', 'cleantalk', 'cleantalk_settings_anti_spam');
    add_settings_field('cleantalk_check_external', __('Protect external forms', 'cleantalk'), 'ct_input_check_external', 'cleantalk', 'cleantalk_settings_anti_spam');
}

/**
 * Admin callback function - Displays description of 'main' plugin parameters section
 */
function ct_section_settings_main() {
    return true;
}

/**
 * Admin callback function - Displays description of 'anti-spam' plugin parameters section
 */
function ct_section_settings_anti_spam() {
    return true;
}

add_action( 'admin_bar_menu', 'ct_add_admin_menu', 999 );

function ct_add_admin_menu( $wp_admin_bar ) {
// add a parent item
    global $ct_options, $ct_data;

    if(isset($ct_options['show_adminbar']))
    {
    	$value = @intval($ct_options['show_adminbar']);
    }
    else
    {
    	$value=1;
    }
    
	if ( current_user_can('activate_plugins')&&$value==1 )
	{
		//$ct_data=ct_get_data();
		$args = array(
			'id'    => 'ct_parent_node',
			'title' => '<img src="' . plugin_dir_url(__FILE__) . 'inc/images/logo_small1.png" alt=""  height="" style="margin-top:9px;" /><a href="#" class="ab-item alignright" title="allowed / blocked" alt="allowed / blocked"><span class="ab-label" id="ct_stats"><span>0</span> / <span>0</span></span></a>'
		);
		$wp_admin_bar->add_node( $args );
	
		// add a child item to our parent item
		$args = array(
			'id'     => 'ct_dashboard_link',
			'title'  => '<a href="https://cleantalk.org/my/?user_token='.@$ct_data['user_token'].'&utm_source=wp-backend&utm_medium=admin-bar" target="_blank">CleanTalk dashboard</a>',
			'parent' => 'ct_parent_node'
		);
		$wp_admin_bar->add_node( $args );
	
		// add another child item to our parent item (not to our first group)
		$args = array(
			'id'     => 'ct_settings_link',
			'title'  => '<a href="options-general.php?page=cleantalk">Settings</a>',
			'parent' => 'ct_parent_node'
		);
		$wp_admin_bar->add_node( $args );
	}
}

/**
 * Admin callback function - Displays description of 'state' plugin parameters section
 */
function ct_section_settings_state() {
	global $ct_options, $ct_data;
	
	//print_r($ct_options);

	$img="yes.png";
	$img_no="no.png";
	$color="black";
	$test_failed=false;
	//if(isset($ct_data['testing_failed'])&&$ct_data['testing_failed']==1)
	if(trim($ct_options['apikey'])=='')
	{
		$img="yes_gray.png";
		$img_no="no_gray.png";
		$color="gray";
	}
	if(isset($ct_data['testing_failed'])&&$ct_data['testing_failed']==1)
	{
		$img="no.png";
		$img_no="no.png";
		$color="black";
		$test_failed=true;
	}
	print "<div style='color:$color'>";
	if($ct_options['registrations_test']==1)
	{
		print '<img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img.'" alt=""  height="" /> '.__('Registration forms', 'cleantalk');
	}
	else
	{
		print '<img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img_no.'" alt=""  height="" /> '.__('Registration forms', 'cleantalk');
	}
	
	if($ct_options['comments_test']==1)
	{
		print ' &nbsp; <img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img.'" alt=""  height="" /> '.__('Comments form', 'cleantalk');
	}
	else
	{
		print ' &nbsp; <img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img_no.'" alt=""  height="" /> '.__('Comments form', 'cleantalk');
	}
	
	if($ct_options['contact_forms_test']==1)
	{
		print ' &nbsp; <img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img.'" alt=""  height="" /> '.__('Contact forms', 'cleantalk');
	}
	else
	{
		print ' &nbsp; <img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img_no.'" alt=""  height="" /> '.__('Contact forms', 'cleantalk');
	}
	
	if($ct_options['general_contact_forms_test']==1)
	{
		print ' &nbsp; <img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img.'" alt=""  height="" /> '.__('Custom contact forms', 'cleantalk');
	}
	else
	{
		print ' &nbsp; <img src="' . plugin_dir_url(__FILE__) . 'inc/images/'.$img_no.'" alt=""  height="" /> '.__('Custom contact forms', 'cleantalk');
	}
	
	print "</div>";
	if($test_failed)
	{
		//print "Testing is failed, check settings. Tech support <a target=_blank href='mailto:support@cleantalk.org'>support@cleantalk.org</a>";
		print __("Testing is failed, check settings. Tech support <a target=_blank href='mailto:support@cleantalk.org'>support@cleantalk.org</a>", 'cleantalk');
	}
    return true;
}

/**
 * Admin callback function - Displays description of 'autodel' plugin parameters section
 */
function ct_section_settings_autodel() {
    return true;
}

/**
 * Admin callback function - Displays inputs of 'apikey' plugin parameter
 */
function ct_input_apikey() {
    global $ct_options, $ct_data, $ct_notice_online_label;
    $ct_options=ct_get_options();
    $ct_data=ct_get_data();
    
    echo "<script src='".plugins_url( 'cleantalk-admin.js', __FILE__ )."'></script>\n";
    
    $value = $ct_options['apikey'];
    $def_value = ''; 
    echo "<input id='cleantalk_apikey' name='cleantalk_settings[apikey]' size='20' type='text' value='$value' style=\"font-size: 14pt;\"/>";
    if (ct_valid_key($value) === false) {
    	
        echo "<a target='__blank' style='margin-left: 10px' href='https://cleantalk.org/register?platform=wordpress&email=".urlencode(get_option('admin_email'))."&website=".urlencode(parse_url(get_option('siteurl'),PHP_URL_HOST))."'>".__('Click here to get access key manually', 'cleantalk')."</a>";
        if (function_exists('curl_init') && function_exists('json_decode')) {
            echo '<br /><br /><input name="get_apikey_auto" type="submit" value="' . __('Get access key automatically', 'cleantalk') . '"  />';
            admin_addDescriptionsFields(sprintf(__('Admin e-mail (%s) will be used for registration', 'cleantalk'), get_option('admin_email')));
            admin_addDescriptionsFields(sprintf('<a target="__blank" style="color:#BBB;" href="https://cleantalk.org/publicoffer">%s</a>', __('License agreement', 'cleantalk')));
        }
    } else {
        if (isset($_COOKIE[$ct_notice_online_label]) && $_COOKIE[$ct_notice_online_label] > 0) {
            echo '&nbsp;&nbsp;<span style="text-decoration: underline;">The key accepted!</span>&nbsp;'; 
        }
         echo "<br /><br /><a target='__blank' href='https://cleantalk.org/my?user_token=".@$ct_data['user_token']."'>".__('Click here to get anti-spam statistics', 'cleantalk')."</a>";
    }
}

/**
 * Admin callback function - Displays inputs of 'comments_test' plugin parameter
 */
function ct_input_comments_test() {
    global $ct_options, $ct_data;
    
    $value = $ct_options['comments_test'];
    echo "<input type='radio' id='cleantalk_comments_test1' name='cleantalk_settings[comments_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_comments_test1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_comments_test0' name='cleantalk_settings[comments_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_comments_test0'> " . __('No') . "</label>";
    admin_addDescriptionsFields(__('WordPress, JetPack, WooCommerce', 'cleantalk'));
}

/**
 * Admin callback function - Displays inputs of 'comments_test' plugin parameter
 */
function ct_input_registrations_test() {
    global $ct_options, $ct_data;
    
    $value = $ct_options['registrations_test'];
    echo "<input type='radio' id='cleantalk_registrations_test1' name='cleantalk_settings[registrations_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_registrations_test1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_registrations_test0' name='cleantalk_settings[registrations_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_registrations_test0'> " . __('No') . "</label>";
    admin_addDescriptionsFields(__('WordPress, BuddyPress, bbPress, S2Member, WooCommerce', 'cleantalk'));
}

/**
 * Admin callback function - Displays inputs of 'contact_forms_test' plugin parameter
 */
function ct_input_contact_forms_test() {
    global $ct_options, $ct_data;
    
    $value = $ct_options['contact_forms_test'];
    echo "<input type='radio' id='cleantalk_contact_forms_test1' name='cleantalk_settings[contact_forms_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_contact_forms_test1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_contact_forms_test0' name='cleantalk_settings[contact_forms_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_contact_forms_test0'> " . __('No') . "</label>";
    admin_addDescriptionsFields(__('Contact Form 7, Formiadble forms, JetPack, Fast Secure Contact Form, WordPress Landing Pages', 'cleantalk'));
}

/**
 * Admin callback function - Displays inputs of 'general_contact_forms_test' plugin parameter
 */
function ct_input_general_contact_forms_test() {
    global $ct_options, $ct_data;
    
    $value = $ct_options['general_contact_forms_test'];
    echo "<input type='radio' id='cleantalk_general_contact_forms_test1' name='cleantalk_settings[general_contact_forms_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_general_contact_forms_test1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_general_contact_forms_test0' name='cleantalk_settings[general_contact_forms_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_general_contact_forms_test0'> " . __('No') . "</label>";
    admin_addDescriptionsFields(__('Anti spam test for any WordPress or themes contacts forms', 'cleantalk'));
}

/**
 * @author Artem Leontiev
 * Admin callback function - Displays inputs of 'Publicate relevant comments' plugin parameter
 *
 * @return null
 */
function ct_input_remove_old_spam() {
    global $ct_options, $ct_data;

    $value = $ct_options['remove_old_spam'];
    echo "<input type='radio' id='cleantalk_remove_old_spam1' name='cleantalk_settings[remove_old_spam]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_remove_old_spam1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_remove_old_spam0' name='cleantalk_settings[remove_old_spam]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_remove_old_spam0'> " . __('No') . "</label>";
    admin_addDescriptionsFields(sprintf(__('Delete spam comments older than %d days.', 'cleantalk'),  $ct_options['spam_store_days']));
}

/**
 * Admin callback function - Displays inputs of 'Show statistics in adminbar' plugin parameter
 *
 * @return null
 */
function ct_input_show_adminbar() {
    global $ct_options, $ct_data;

    if(isset($ct_options['show_adminbar']))
    {
    	$value = @intval($ct_options['show_adminbar']);
    }
    else
    {
    	$value=1;
    }
    echo "<input type='radio' id='cleantalk_show_adminbar1' name='cleantalk_settings[show_adminbar]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_show_adminbar1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_show_adminbar0' name='cleantalk_settings[show_adminbar]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_show_adminbar0'> " . __('No') . "</label>";
    admin_addDescriptionsFields(sprintf(__('Show/hide CleanTalk icon in top level menu in WordPress backend.', 'cleantalk'),  $ct_options['show_adminbar']));
}

/**
 * Admin callback function - Displays inputs of 'Show statistics in adminbar' plugin parameter
 *
 * @return null
 */
function ct_input_general_postdata_test() {
    global $ct_options, $ct_data;

    if(isset($ct_options['general_postdata_test']))
    {
    	$value = @intval($ct_options['general_postdata_test']);
    }
    else
    {
    	$value=0;
    }
    echo "<input type='radio' id='cleantalk_general_postdata_test1' name='cleantalk_settings[general_postdata_test]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_general_postdata_test1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_general_postdata_test0' name='cleantalk_settings[general_postdata_test]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_general_postdata_test0'> " . __('No') . "</label>";
    @admin_addDescriptionsFields(sprintf(__('Check all POST submissions from website visitors. Enable this option if you have spam misses on website or you don`t have records about missed spam in <a href="https://cleantalk.org/my/?user_token='.@$ct_data['user_token'].'&utm_source=wp-backend&utm_medium=admin-bar" target="_blank">CleanTalk dashboard</a>.', 'cleantalk'),  $ct_options['general_postdata_test']));
}

function ct_input_use_ajax() {
    global $ct_options, $ct_data;

    if(isset($ct_options['use_ajax']))
    {
    	$value = @intval($ct_options['use_ajax']);
    }
    else
    {
    	$value=1;
    }
    echo "<input type='radio' id='cleantalk_use_ajax1' name='cleantalk_settings[use_ajax]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_use_ajax1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_use_ajax0' name='cleantalk_settings[use_ajax]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_use_ajax0'> " . __('No') . "</label>";
    @admin_addDescriptionsFields(sprintf(__('', 'cleantalk'),  $ct_options['use_ajax']));
}

function ct_input_check_external() {
    global $ct_options, $ct_data;

    if(isset($ct_options['check_external']))
    {
    	$value = @intval($ct_options['check_external']);
    }
    else
    {
    	$value=0;
    }
    echo "<input type='radio' id='cleantalk_check_external1' name='cleantalk_settings[check_external]' value='1' " . ($value == '1' ? 'checked' : '') . " /><label for='cleantalk_check_external1'> " . __('Yes') . "</label>";
    echo '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
    echo "<input type='radio' id='cleantalk_check_external0' name='cleantalk_settings[check_external]' value='0' " . ($value == '0' ? 'checked' : '') . " /><label for='cleantalk_check_external0'> " . __('No') . "</label>";
    @admin_addDescriptionsFields(sprintf(__('', 'cleantalk'),  $ct_options['check_external']));
}


/**
 * Admin callback function - Plugin parameters validator
 */
function ct_settings_validate($input) {
    return $input;
}


/**
 * Admin callback function - Displays plugin options page
 */
function ct_settings_page() {
    ?>
<style type="text/css">
input[type=submit] {padding: 10px; background: #3399FF; color: #fff; border:0 none;
    cursor:pointer;
    -webkit-border-radius: 5px;
    border-radius: 5px; 
    font-size: 12pt;
}
</style>

    <div>
        <form action="options.php" method="post">
            <?php settings_fields('cleantalk_settings'); ?>
            <?php do_settings_sections('cleantalk'); ?>
            <br>
            <input name="Submit" type="submit" value="<?php esc_attr_e('Save Changes'); ?>" />
        </form>
    </div>
    <?php

    if (ct_valid_key() === false)
        return null;
    ?>
    <br />
    <br />
    <br />
    <div>
    <?php echo __('Plugin Homepage at', 'cleantalk'); ?> <a href="http://cleantalk.org" target="_blank">cleantalk.org</a>.<br />
    <?php echo __('Tech support CleanTalk:', 'cleantalk'); ?> <a href="https://cleantalk.org/forum/viewforum.php?f=25" target="_blank"><?php echo __('CleanTalk tech forum', 'cleantalk'); ?></a>.<br />
    </div>
    <?php
}

/**
 * Notice blog owner if plugin is used without Access key 
 * @return bool 
 */
function admin_notice_message(){
    global $show_ct_notice_trial, $show_ct_notice_renew, $show_ct_notice_online, $show_ct_notice_autokey, $ct_notice_autokey_value, $ct_plugin_name, $ct_options, $ct_data;
    
    //$ct_data=ct_get_data();

    $user_token = '';
    if (isset($ct_data['user_token']) && $ct_data['user_token'] != '') {
        $user_token = '&user_token=' . $ct_data['user_token'];
    }

    $show_notice = true;
    
    if(current_user_can('activate_plugins'))
    {
    	$value = 1;
    }
    else
    {
    	$value = 0;
    }

    if ($show_notice && $show_ct_notice_autokey && $value==1) {
        echo '<div class="error"><h3>' . sprintf(__("Unable to get Access key automatically: %s", 'cleantalk'), $ct_notice_autokey_value);
        echo " <a target='__blank' style='margin-left: 10px' href='https://cleantalk.org/register?platform=wordpress&email=".urlencode(get_option('admin_email'))."&website=".urlencode(parse_url(get_option('siteurl'),PHP_URL_HOST))."'>".__('Click here to get access key manually', 'cleantalk').'</a></h3></div>';
    }

    if ($show_notice && ct_valid_key($ct_options['apikey']) === false && $value==1) {
        echo '<div class="error"><h3>' . sprintf(__("Please enter Access Key in %s settings to enable anti spam protection!", 'cleantalk'), "<a href=\"options-general.php?page=cleantalk\">CleanTalk plugin</a>") . '</h3></div>';
        $show_notice = false;
    }

    if ($show_notice && $show_ct_notice_trial && $value==1) {
        echo '<div class="error"><h3>' . sprintf(__("%s trial period ends, please upgrade to %s!", 'cleantalk'), "<a href=\"options-general.php?page=cleantalk\">$ct_plugin_name</a>", "<a href=\"http://cleantalk.org/my/bill/recharge?utm_source=wp-backend&utm_medium=cpc&utm_campaign=WP%20backend%20trial$user_token\" target=\"_blank\"><b>premium version</b></a>") . '</h3></div>';
        $show_notice = false;
    }
    
    if(isset($ct_data['next_notice_show']))
    {
    	$next_notice_show=$ct_data['next_notice_show'];
    }
    else
    {
    	$next_notice_show=0;
    }
    
    $link=$_SERVER["QUERY_STRING"];
    if($link!='')
    {
    	$link="?".$link."&close_notice=1";
    }
    else
    {
    	$link="?close_notice=1";
    }

    if ($show_notice && $show_ct_notice_renew && $value==1 && time()>$next_notice_show) {
	$button_html = "<a href=\"http://cleantalk.org/my/bill/recharge?utm_source=wp-backend&utm_medium=cpc&utm_campaign=WP%20backend%20renew$user_token\" target=\"_blank\">" . '<input type="button" class="button button-primary" value="' . __('RENEW ANTI-SPAM', 'cleantalk') . '"  />' . "</a>";
        echo '<div class="updated"><a href="'.$link.'" style="text-decoration:none;float:right;font-size:16px;margin-top:5px;"><b>X</b></a><h3>' . sprintf(__("Please renew your anti-spam license for %s.", 'cleantalk'), "<a href=\"http://cleantalk.org/my/bill/recharge?utm_source=wp-backend&utm_medium=cpc&utm_campaign=WP%20backend%20renew$user_token\" target=\"_blank\"><b>" . __('next year', 'cleantalk') ."</b></a>") . '<br /><br />' . $button_html . '</h3></div>';
        $show_notice = false;
    }

    if ($show_notice && $show_ct_notice_online != '' && $value==1) {
        if($show_ct_notice_online === 'Y'){
    		echo '<div class="updated"><h3><b>';
                echo __("Don’t forget to disable CAPTCHA if you have it!", 'cleantalk');
    		echo '</b></h3></div>';
        }
        
        if($show_ct_notice_online === 'N' && $value==1){
    		echo '<div class="error"><h3><b>';
                echo __("Wrong <a href=\"options-general.php?page=cleantalk\"><b style=\"color: #49C73B;\">Clean</b><b style=\"color: #349ebf;\">Talk</b> access key</a>! Please check it or ask <a target=\"_blank\" href=\"https://cleantalk.org/forum/\">support</a>.", 'cleantalk');
    		echo '</b></h3></div>';
        }
    }

    //ct_send_feedback(); -- removed to ct_do_this_hourly()

    return true;
}

/**
 * @author Artem Leontiev
 *
 * Add descriptions for field
 */
function admin_addDescriptionsFields($descr = '') {
    echo "<div style='font-size: 10pt; color: #666 !important'>$descr</div>";
}

/**
* Test API key 
*/
function ct_valid_key($apikey = null) {
    global $ct_options, $ct_data;
    if ($apikey === null) {
        $apikey = $ct_options['apikey'];
    }

    return ($apikey === 'enter key' || $apikey === '') ? false : true;
}

/**
 * Admin action 'comment_unapproved_to_approved' - Approve comment, sends good feedback to cleantalk, removes cleantalk resume
 * @param 	object $comment_object Comment object
 * @return	boolean TRUE
 */
function ct_comment_approved($comment_object) {
    $comment = get_comment($comment_object->comment_ID, 'ARRAY_A');
    $hash = get_comment_meta($comment_object->comment_ID, 'ct_hash', true);

    $comment['comment_content'] = ct_unmark_red($comment['comment_content']);
    $comment['comment_content'] = ct_feedback($hash, $comment['comment_content'], 1);
    $comment['comment_approved'] = 1;
    wp_update_comment($comment);

    return true;
}

/**
 * Admin action 'comment_approved_to_unapproved' - Unapprove comment, sends bad feedback to cleantalk
 * @param 	object $comment_object Comment object
 * @return	boolean TRUE
 */
function ct_comment_unapproved($comment_object) {
    $comment = get_comment($comment_object->comment_ID, 'ARRAY_A');
    $hash = get_comment_meta($comment_object->comment_ID, 'ct_hash', true);
    ct_feedback($hash, $comment['comment_content'], 0);
    $comment['comment_approved'] = 0;
    wp_update_comment($comment);

    return true;
}

/**
 * Admin actions 'comment_unapproved_to_spam', 'comment_approved_to_spam' - Mark comment as spam, sends bad feedback to cleantalk
 * @param 	object $comment_object Comment object
 * @return	boolean TRUE
 */
function ct_comment_spam($comment_object) {
    $comment = get_comment($comment_object->comment_ID, 'ARRAY_A');
    $hash = get_comment_meta($comment_object->comment_ID, 'ct_hash', true);
    ct_feedback($hash, $comment['comment_content'], 0);
    $comment['comment_approved'] = 'spam';
    wp_update_comment($comment);

    return true;
}


/**
 * Unspam comment
 * @param type $comment_id
 */
function ct_unspam_comment($comment_id) {
    update_comment_meta($comment_id, '_wp_trash_meta_status', 1);
    $comment = get_comment($comment_id, 'ARRAY_A');
    $hash = get_comment_meta($comment_id, 'ct_hash', true);
    $comment['comment_content'] = ct_unmark_red($comment['comment_content']);
    $comment['comment_content'] = ct_feedback($hash, $comment['comment_content'], 1);

    wp_update_comment($comment);
}

/**
 * Admin filter 'get_comment_text' - Adds some info to comment text to display
 * @param 	string $current_text Current comment text
 * @return	string New comment text
 */
function ct_get_comment_text($current_text) {
    global $comment;
    $new_text = $current_text;
    if (isset($comment) && is_object($comment)) {
        $hash = get_comment_meta($comment->comment_ID, 'ct_hash', true);
        if (!empty($hash)) {
            $new_text .= '<hr>Cleantalk ID = ' . $hash;
        }
    }
    return $new_text;
}

/**
 * Send feedback for user deletion 
 * @return null 
 */
function ct_delete_user($user_id) {
    $hash = get_user_meta($user_id, 'ct_hash', true);
    if ($hash !== '') {
        ct_feedback($hash, null, 0);
    }
}

/**
 * Manage links and plugins page
 * @return array
*/
if (!function_exists ( 'ct_register_plugin_links')) {
    function ct_register_plugin_links($links, $file) {
        global $ct_plugin_basename;
	    
    	if ($file == $ct_plugin_basename) {
		    $links[] = '<a href="options-general.php?page=cleantalk">' . __( 'Settings' ) . '</a>';
		    $links[] = '<a href="http://wordpress.org/plugins/cleantalk-spam-protect/faq/" target="_blank">' . __( 'FAQ','cleantalk' ) . '</a>';
		    $links[] = '<a href="http://cleantalk.org/forum" target="_blank">' . __( 'Support','cleantalk' ) . '</a>';
	    }
	    return $links;
    }
}

/**
 * Manage links in plugins list
 * @return array
*/
if (!function_exists ( 'ct_plugin_action_links')) {
    function ct_plugin_action_links($links, $file) {
        global $ct_plugin_basename;

        if ($file == $ct_plugin_basename) {
            $settings_link = '<a href="options-general.php?page=cleantalk">' . __( 'Settings' ) . '</a>';
            array_unshift( $links, $settings_link ); // before other links
        }
        return $links;
    }
}

/**
 * After options update
 * @return array
*/
function ct_update_option($option_name) {
    global $show_ct_notice_online, $ct_notice_online_label, $ct_notice_trial_label, $trial_notice_showtime, $ct_options, $ct_data, $ct_server_timeout;

    if($option_name !== 'cleantalk_settings') {
        return;
    }

    $api_key = $ct_options['apikey'];
    if (isset($_POST['cleantalk_settings']['apikey'])) {
        $api_key = trim($_POST['cleantalk_settings']['apikey']);
        $ct_options['apikey'] = $api_key;
    }
    if (!ct_valid_key($api_key)) {
        return;
    }

    $ct_base_call_result = ct_base_call(array(
        'message' => 'CleanTalk connection test',
        'example' => null,
        'sender_email' => 'stop_email@example.com',
        'sender_nickname' => 'CleanTalk',
        'post_info' => '',
        'checkjs' => 1
    ));

    $key_valid = true;
    $app_server_error = false;
    $ct_data['testing_failed']=0;
    
    $request=Array();
	$request['method_name'] = 'notice_validate_key'; 
	$request['auth_key'] = $api_key;
	$url='https://api.cleantalk.org';
    $result=sendRawRequest($url, $request);
    if ($result)
    {
        $result = json_decode($result, true);
        if (isset($result['valid']) && $result['valid'] == 0) {
            $key_valid = false;
            $ct_data['testing_failed']=1;
        }
    }
    if (!$result || !isset($result['valid']))
    {
        $app_server_error = true;
        $ct_data['testing_failed']=1;
    }
    
    update_option('cleantalk_data', $ct_data);
    
    if ($key_valid) {
        // Removes cookie for server errors
        if ($app_server_error) {
            setcookie($ct_notice_online_label, '', 1, '/'); // time 1 is exactly in past even clients time() is wrong
            unset($_COOKIE[$ct_notice_online_label]);
        } else {
            setcookie($ct_notice_online_label, (string) time(), strtotime("+14 days"), '/');
        }
        setcookie($ct_notice_trial_label, '0', strtotime("+$trial_notice_showtime minutes"), '/');
    } else {
        setcookie($ct_notice_online_label, 'BAD_KEY', 0, '/');
    }
}

/**
 * Unmark bad words
 * @param string $message
 * @return string Cleat comment
 */
function ct_unmark_red($message) {
    $message = preg_replace("/\<font rel\=\"cleantalk\" color\=\"\#FF1000\"\>(\S+)\<\/font>/iu", '$1', $message);

    return $message;
}

?>