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<?php
function iqblockcountry_check_ipaddress($ip_address)
{
if (!class_exists('GeoIP'))
{
include_once("geoip.inc");
}
if (get_option('blockcountry_geoapikey'))
{
$country = iqblockcountry_retrieve_geoipapi($ip_address);
}
elseif ((is_file ( GEOIP2DBFILE)))
{
if (iqblockcountry_is_valid_ipv4($ip_address) || iqblockcountry_is_valid_ipv6($ip_address))
{
if (class_exists('GeoIp2\\Database\\Reader'))
{
try {
$blockreader = new GeoIp2\Database\Reader( GEOIP2DBFILE );
$blockrecord = $blockreader->country($ip_address);
$country = $blockrecord->country->isoCode;
}
catch(Exception $e) {
$country = "FALSE";
}
}
}
}
elseif ((is_file ( IPV4DBFILE )) && function_exists('geoip_open'))
{
$ipv4 = FALSE;
$ipv6 = FALSE;
if (iqblockcountry_is_valid_ipv4($ip_address)) { $ipv4 = TRUE; }
if (iqblockcountry_is_valid_ipv6($ip_address)) { $ipv6 = TRUE; }
if ($ipv4)
{
$gi = geoip_open ( IPV4DBFILE, GEOIP_STANDARD );
$country = geoip_country_code_by_addr ( $gi, $ip_address );
geoip_close ( $gi );
}
elseif ($ipv6)
{
if (is_file ( IPV6DBFILE )) {
$gi = geoip_open(IPV6DBFILE,GEOIP_STANDARD);
$country = geoip_country_code_by_addr_v6 ( $gi, $ip_address );
geoip_close($gi);
}
else {
$country = 'ipv6';
}
}
else { $country = "Unknown"; }
}
else { $country = "Unknown"; }
if (empty($country) || $country == null )
{
$country = "Unknown";
}
return $country;
}
/*
* iQ Block Retrieve XML file for API blocking
*/
function iqblockcountry_retrieve_geoipapi($ipaddress)
{
if (iqblockcountry_is_valid_ipv4($ipaddress) || iqblockcountry_is_valid_ipv6($ipaddress))
{
$url = GEOIPAPIURL;
if (get_option('blockcountry_geoapilocation') == "US")
{
$url = GEOIPAPIURLUS;
}
if (get_option('blockcountry_geoapilocation') == "US2")
{
$url = GEOIPAPIURLUS2;
}
if (get_option('blockcountry_geoapilocation') == "US3")
{
$url = GEOIPAPIURLUS3;
}
if (get_option('blockcountry_geoapilocation') == "EU2")
{
$url = GEOIPAPIURLEU2;
}
if (get_option('blockcountry_geoapilocation') == "EU3")
{
$url = GEOIPAPIURLEU3;
}
if (get_option('blockcountry_geoapilocation') == "EU4")
{
$url = GEOIPAPIURLEU4;
}
if (get_option('blockcountry_geoapilocation') == "ASIA")
{
$url = GEOIPAPIURLASIA;
}
$result = wp_remote_post(
$url,
array(
'body' => array(
'api-key' => get_option('blockcountry_geoapikey'),
'ipaddress' => $ipaddress
)
)
);
if ( is_wp_error( $result ) ) {
return "Unknown";
}
elseif ( 200 == $result['response']['code'] ) {
$body = $result['body'];
$xml = new SimpleXmlElement($body);
if (isset($xml->country)) { return (string) $xml->country; }
elseif (isset($xml->error))
{
if (strpos($xml->error, 'License expired on ') !== false) {
update_option('blockcountry_geoapikey','');
return "Expired";
}
}
else { return "Unknown"; }
}
elseif ( 403 == $result['response']['code'] ) {
update_option('blockcountry_geoapikey','');
}
else return "Unknown";
}
else
{ return "Invalid"; }
}
/*
* Check country against bad countries, allow list and block list
*/
function iqblockcountry_check($country,$badcountries,$ip_address)
{
/* Set default blocked status and get all options */
$blocked = FALSE;
$blockedpage = get_option('blockcountry_blockpages');
//$blockedpages = get_option('blockcountry_pages');
$pagesbanlist = get_option( 'blockcountry_pages' );
if (!is_array($pagesbanlist)) { $pagesbanlist = array(); }
if (get_option( 'blockcountry_blockpages_inverse' ) == 'on') {
$pages = get_pages();
$all_pages = array();
foreach ( $pages as $page ) {
$all_pages[$page->ID] = $page->ID;
}
$blockedpages = array_diff($all_pages, $pagesbanlist);
} else {
$blockedpages = $pagesbanlist;
}
$blockedcategory = get_option('blockcountry_blockcategories');
$blocktags = get_option('blockcountry_blocktags');
$blockedposttypes = get_option('blockcountry_blockposttypes');
$blockedtag = get_option('blockcountry_blocktag');
$blockedfeed = get_option('blockcountry_blockfeed');
$postid = get_the_ID();
global $feblocklistip,$feblocklistiprange4,$feblocklistiprange6,$feallowlistip,$feallowlistiprange4,$feallowlistiprange6;
global $beblocklistip,$beblocklistiprange4,$beblocklistiprange6,$beallowlistip,$beallowlistiprange4,$beallowlistiprange6;
$backendbanlistip = unserialize(get_option('blockcountry_backendbanlistip'));
$blockredirect = get_option ( 'blockcountry_redirect');
/* Block if user is in a bad country from frontend or backend. Unblock may happen later */
if (is_array ( $badcountries ) && in_array ( $country, $badcountries )) {
$blocked = TRUE;
global $backendblocklistcheck;
$backendblocklistcheck = TRUE;
}
global $blockcountry_is_login_page,$blockcountry_is_xmlrpc;
/* Check if requested url is not login page. Else check against frontend allow list / block list. */
if (!($blockcountry_is_login_page) && !(is_admin()) && !($blockcountry_is_xmlrpc))
{
if (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip))
{
$blocked = TRUE;
}
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip))
{
$blocked = FALSE;
}
}
if ($blockcountry_is_login_page || is_admin() || $blockcountry_is_xmlrpc)
{
if (is_array($backendbanlistip) && in_array($ip_address,$backendbanlistip))
{
$blocked = TRUE;
global $apiblocklist;
$apiblocklist = TRUE;
}
if (iqblockcountry_validate_ip_in_list($ip_address,$beblocklistiprange4,$beblocklistiprange6,$beblocklistip)) {
$blocked = TRUE;
}
if (iqblockcountry_validate_ip_in_list($ip_address,$beallowlistiprange4,$beallowlistiprange6,$beallowlistip)) {
$blocked = FALSE;
}
if (iqblockcountry_is_adminajax() && get_option('blockcountry_adminajax'))
{
$blocked = FALSE;
}
}
if ($blockedposttypes == "on")
{
$blockedposttypes = get_option('blockcountry_posttypes');
if (is_array($blockedposttypes) && in_array(get_post_type( $postid ), $blockedposttypes) && ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip)))))
{
$blocked = TRUE;
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$blocked = FALSE;
}
}
else
{
$blocked = FALSE;
}
}
if (is_page() && $blockedpage == "on")
{
$post = get_post();
if (is_page($blockedpages) && !empty($blockedpages) && ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip)))))
{
$blocked = TRUE;
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$blocked = FALSE;
}
}
else
{
$blocked = FALSE;
}
}
if (is_single() && $blockedcategory == "on")
{
$blockedcategories = get_option('blockcountry_categories');
if (!is_array($blockedcategories)) { $blockedcategories = array(); }
$post_categories = wp_get_post_categories( $postid );
$flagged = FALSE;
foreach ($post_categories as $key => $value)
{
if (in_array($value,$blockedcategories))
{
if (is_single() && ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip)))))
{
$flagged = TRUE;
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$flagged = FALSE;
}
}
}
}
if ($flagged) { $blocked = TRUE; } else { $blocked = FALSE; }
}
if (is_single() && $blocktags == "on")
{
$previousblock = $blocked;
$blockedtags = get_option('blockcountry_tags');
if (!is_array($blockedtags)) { $blockedtags = array(); }
$post_tags = get_the_tags($postid);
if (empty($post_tags)) { $post_tags = array();}
$flagged = FALSE;
foreach ($post_tags as $tag)
{
if (in_array($tag->term_id,$blockedtags))
{
if (is_single() && ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip)))))
{
$flagged = TRUE;
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$flagged = FALSE;
}
}
}
}
if ($flagged || $previousblock == TRUE) { $blocked = TRUE; } else { $blocked = FALSE; }
}
if (is_category() && $blockedcategory == "on")
{
$flagged = FALSE;
$blockedcategories = get_option('blockcountry_categories');
if (is_category($blockedcategories) && ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip)))))
{
$flagged = TRUE;
}
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$flagged = FALSE;
}
if ($flagged) { $blocked = TRUE; } else { $blocked = FALSE; }
}
if (is_tag() && $blockedtag == "on")
{
$flagged = FALSE;
if ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip))))
{
$flagged = TRUE;
}
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$flagged = FALSE;
}
if ($flagged) { $blocked = TRUE; } else { $blocked = FALSE; }
}
elseif (is_tag() && $blockedtag == FALSE)
{
$blocked = FALSE;
}
if (is_feed() && $blockedfeed == "on")
{
$flagged = FALSE;
if ((is_array ( $badcountries ) && in_array ( $country, $badcountries ) || (iqblockcountry_validate_ip_in_list($ip_address,$feblocklistiprange4,$feblocklistiprange6,$feblocklistip))))
{
$flagged = TRUE;
}
if (iqblockcountry_validate_ip_in_list($ip_address,$feallowlistiprange4,$feallowlistiprange6,$feallowlistip)) {
$flagged = FALSE;
}
if ($flagged) { $blocked = TRUE; } else { $blocked = FALSE; }
}
elseif (is_feed() && $blockedfeed == FALSE)
{
$blocked = FALSE;
}
if (is_home() && (get_option('blockcountry_blockhome')) == FALSE && $blockedcategory == "on")
{
$blocked = FALSE;
}
if (is_page($blockredirect) && ($blockredirect != 0) && !(empty($blockredirect)))
{
$blocked = FALSE;
}
$allowse = get_option('blockcountry_allowse');
if (!$blockcountry_is_login_page && isset ($_SERVER['HTTP_USER_AGENT']) && iqblockcountry_check_searchengine($_SERVER['HTTP_USER_AGENT'], $allowse))
{
$blocked = FALSE;
}
if (is_search() && (get_option('blockcountry_blocksearch')) == FALSE)
{
$blocked = FALSE;
}
return $blocked;
}
/*
*
* Does the real check of visitor IP against MaxMind database or the GeoAPI
*
*/
function iqblockcountry_CheckCountryBackEnd() {
$ip_address = iqblockcountry_get_ipaddress();
$country = iqblockcountry_check_ipaddress($ip_address);
global $blockcountry_is_login_page,$blockcountry_is_xmlrpc;
if (($blockcountry_is_login_page || is_admin() || $blockcountry_is_xmlrpc) && get_option('blockcountry_blockbackend') == 'on')
{
$banlist = get_option( 'blockcountry_backendbanlist' );
if (!is_array($banlist)) { $banlist = array(); }
if (get_option( 'blockcountry_backendbanlist_inverse' ) == 'on') {
$all_countries = array_keys(iqblockcountry_get_isocountries());
$badcountries = array_diff($all_countries, $banlist);
} else {
$badcountries = $banlist;
}
}
$blocklogin = get_option ( 'blockcountry_blocklogin' );
if ( ((is_user_logged_in()) && ($blocklogin != "on")) || (!(is_user_logged_in())) ) {
/* Check ip address against banlist, allow list and block list */
if (iqblockcountry_check($country,$badcountries,$ip_address))
{
if (($blockcountry_is_login_page || is_admin() || $blockcountry_is_xmlrpc) && get_option('blockcountry_blockbackend') == 'on')
{
$blocked = get_option('blockcountry_backendnrblocks');
if (empty($blocked)) { $blocked = 0; }
$blocked++;
update_option('blockcountry_backendnrblocks', $blocked);
global $apiblocklist,$backendblocklistcheck,$debughandled;
if (!get_option('blockcountry_logging'))
{
if (!$apiblocklist)
{
iqblockcountry_logging($ip_address, $country, "B");
iqblockcountry_debug_logging($ip_address,$country,'BB');
}
elseif ($backendblocklistcheck && $apiblocklist)
{
iqblockcountry_logging($ip_address, $country, "T");
iqblockcountry_debug_logging($ip_address,$country,'TB');
}
else
{
iqblockcountry_logging($ip_address, $country, "A");
iqblockcountry_debug_logging($ip_address,$country,'AB');
}
}
}
else
{
$blocked = get_option('blockcountry_frontendnrblocks');
if (empty($blocked)) { $blocked = 0; }
$blocked++;
update_option('blockcountry_frontendnrblocks', $blocked);
if (!get_option('blockcountry_logging'))
{
iqblockcountry_logging($ip_address, $country, "F");
iqblockcountry_debug_logging($ip_address,$country,'FB');
}
}
$blockmessage = get_option ( 'blockcountry_blockmessage' );
$blockredirect = get_option ( 'blockcountry_redirect');
$blockredirect_url = get_option ( 'blockcountry_redirect_url');
$header = get_option('blockcountry_header');
if (!empty($header) && ($header))
{
// Prevent as much as possible that this error message is cached:
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
header("Expires: Sat, 26 Jul 2012 05:00:00 GMT");
header ( 'HTTP/1.1 403 Forbidden' );
}
if (!empty($blockredirect_url))
{
header("Location: $blockredirect_url");
}
elseif (!empty($blockredirect) && $blockredirect != 0)
{
$redirecturl = get_permalink($blockredirect);
header("Location: $redirecturl");
}
// Display block message
print "$blockmessage";
exit ();
}
else
{
iqblockcountry_debug_logging($ip_address,$country,'NB');
}
}
else
{
iqblockcountry_debug_logging($ip_address,$country,'NB');
}
}
/*
*
* Does the real check of visitor IP against MaxMind database or the GeoAPI FrontEnd
*
*/
function iqblockcountry_CheckCountryFrontEnd() {
$ip_address = iqblockcountry_get_ipaddress();
$country = iqblockcountry_check_ipaddress($ip_address);
$banlist = get_option( 'blockcountry_banlist' );
if (!is_array($banlist)) { $banlist = array(); }
if (get_option( 'blockcountry_banlist_inverse' ) == 'on') {
$all_countries = array_keys(iqblockcountry_get_isocountries());
$badcountries = array_diff($all_countries, $banlist);
} else {
$badcountries = $banlist;
}
$blocklogin = get_option ( 'blockcountry_blocklogin' );
if ( ((is_user_logged_in()) && ($blocklogin != "on")) || (!(is_user_logged_in())) ) {
/* Check ip address against banlist, allow list and block list */
if (iqblockcountry_check($country,$badcountries,$ip_address))
{
$blocked = get_option('blockcountry_frontendnrblocks');
if (empty($blocked)) { $blocked = 0; }
$blocked++;
update_option('blockcountry_frontendnrblocks', $blocked);
if (!get_option('blockcountry_logging'))
{
iqblockcountry_logging($ip_address, $country, "F");
iqblockcountry_debug_logging($ip_address,$country,'FB');
}
$blockmessage = get_option ( 'blockcountry_blockmessage' );
$blockredirect = get_option ( 'blockcountry_redirect');
$blockredirect_url = get_option ( 'blockcountry_redirect_url');
$header = get_option('blockcountry_header');
if (!empty($header) && ($header))
{
// Prevent as much as possible that this error message is cached:
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
header("Expires: Sat, 26 Jul 2012 05:00:00 GMT");
header ( 'HTTP/1.1 403 Forbidden' );
}
if (!empty($blockredirect_url))
{
header("Location: $blockredirect_url");
}
elseif (!empty($blockredirect) && $blockredirect != 0)
{
$redirecturl = get_permalink($blockredirect);
header("Location: $redirecturl");
}
// Display block message
print "$blockmessage";
exit ();
}
else
{
iqblockcountry_debug_logging($ip_address,$country,'NB');
}
}
else
{
iqblockcountry_debug_logging($ip_address,$country,'NB');
}
}
/**
* Check if xmlrpc.php is hit.
* @return bool
*/
function iqblockcountry_is_xmlrpc() {
return defined('XMLRPC_REQUEST') && XMLRPC_REQUEST;
}
/*
* Check for active caching plugins
*/
function iqblockcountry_is_caching_active() {
$found = FALSE;
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
if ( is_plugin_active( 'w3-total-cache/w3-total-cache.php' ) ) {
$found = TRUE;
}
if ( is_plugin_active( 'hyper-cache/plugin.php' ) ) {
$found = TRUE;
}
if (get_option('blockcountry_blockfrontend') == FALSE)
{
$found = FALSE;
}
return $found;
}
/*
* Check if page is the login page
*/
function iqblockcountry_is_login_page() {
$found = FALSE;
$pos2 = FALSE;
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
if ( is_plugin_active( 'all-in-one-wp-security-and-firewall/wp-security.php' ) ) {
$aio = get_option('aio_wp_security_configs');
if (!empty($aio) && !(empty($aio['aiowps_login_page_slug']))) {
$pos2 = strpos( $_SERVER['REQUEST_URI'], $aio['aiowps_login_page_slug'] ); }
}
if ( is_plugin_active( 'lockdown-wp-admin/lockdown-wp-admin.php' ) ) {
$ld = get_option('ld_login_base');
if (!empty($ld)) {
$pos2 = strpos( $_SERVER['REQUEST_URI'], $ld); }
}
if ( is_plugin_active( 'wp-simple-firewall/icwp-wpsf.php' ) ) {
$wpsf = get_option('icwp_wpsf_loginprotect_options');
if (!empty($wpsf['rename_wplogin_path'])) {
$pos2 = strpos( $_SERVER['REQUEST_URI'], $wpsf['rename_wplogin_path'] ); }
}
if ( is_plugin_active( 'rename-wp-login/rename-wp-login.php' ) ) {
$rwpl = get_option('rwl_page');
if (!empty($rwpl)) {
$pos2 = strpos( $_SERVER['REQUEST_URI'], $rwpl ); }
}
if ( is_plugin_active( 'wps-hide-login/wps-hide-login.php' ) ) {
$whlpage = get_option('whl_page');
if (!empty($whlpage)) {
$pos2 = strpos( $_SERVER['REQUEST_URI'], $whlpage ); }
}
$pos = strpos( $_SERVER['REQUEST_URI'], 'wp-login' );
if ($pos !== false) { $found = TRUE; }
elseif ($pos2 !== false) { $found = TRUE; }
return $found;
}
/*
* Check if page is within wp-admin page
*/
function iqblockcountry_is_admin() {
$found = FALSE;
$pos = strpos( $_SERVER['REQUEST_URI'], '/wp-admin/' );
if ($pos !== false) { $found = TRUE; }
return $found;
}
/*
* Check if page is within admin-ajax url.
*/
function iqblockcountry_is_adminajax() {
$found = FALSE;
$pos = strpos( $_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php' );
if ($pos !== false) { $found = TRUE; }
return $found;
}