// make sure request came from valid source
if (array_key_exists('HTTP_REFERER', $_SERVER)) {
$referer = parse_url(esc_attr($_SERVER['HTTP_REFERER']));
if ($referer['host'] != esc_attr($_SERVER['SERVER_NAME']) && $referer['host'] != 'www.' . esc_attr($_SERVER['SERVER_NAME'])) {
echo $wp_json->encode(array('error' => __('Request from unauthorized page', 'tweetblender') . ".\n" . esc_attr($_SERVER['SERVER_NAME']) . "\n" . $referer['host']));
exit;
}
}
// TODO: make sure the source we are caching for is in the config of at least one widget
// make sure data is really JSON
$data = stripslashes($_POST['tweets']);
if($tweets = $wp_json->decode($data)) {
if(tb_save_cache($tweets)) {
// return OK
echo $wp_json->encode(array('OK' => 1));
}
else {
echo $wp_json->encode(array('error' => __('Cannot store tweets to DB', 'tweetblender')));
}
exit;
}
else {
echo $wp_json->encode(array('error' => __('Invalid data format', 'tweetblender')));
exit;
}
}
?>
echo $json_data;
exit;
} else {
echo $json->encode(array('error' => "Can't retrieve limit info from Twitter"));
exit;
}
} elseif ($_GET['action'] == 'cache_data') {
// make sure request came from valid source
if (array_key_exists('HTTP_REFERER', $_SERVER)) {
$referer = parse_url($_SERVER['HTTP_REFERER']);
if ($referer['host'] != $_SERVER['SERVER_NAME'] && $referer['host'] != 'www.' . $_SERVER['SERVER_NAME']) {
echo $json->encode(array('error' => "Request from unauthorized page. \n" . $_SERVER['SERVER_NAME'] . "\n" . $referer['host']));
exit;
}
}
// TODO: make sure the source we are caching for is in the config of at least one widget
// make sure data is really JSON
$data = stripslashes($_POST['tweets']);
if ($tweets = $json->decode($data)) {
if (tb_save_cache(array(), $tweets)) {
// return OK
echo $json->encode(array('OK' => 1));
} else {
echo $json->encode(array('error' => 'Cannot store tweets to DB'));
}
exit;
} else {
echo $json->encode(array('error' => 'Invalid data format'));
exit;
}
}
$oAuth = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $tb_o['oauth_access_token']['oauth_token'], $tb_o['oauth_access_token']['oauth_token_secret']);
$json_data = $oAuth->OAuthRequest($tb_api_base_url . $api_endpoint . '.json', 'GET', $api_params);
//error_log('***** url = ' . $tb_api_base_url . $api_endpoint . '.json');
//error_log('***** sources = ' . print_r($sources,true));
//error_log('**** params = ' . print_r($api_params,true));
if ($oAuth->http_code == 200) {
echo $json_data;
//error_log('**** response=' . $json_data);
// update rate limit info
$headers = $oAuth->http_header;
$tb_o['rate_limit_data'][$api_endpoint] = array('limit' => $headers['x_rate_limit_limit'], 'remaining' => $headers['x_rate_limit_remaining'], 'reset' => $headers['x_rate_limit_reset'], 'last_used' => time());
// save rate limit data to options
update_option('tweet-blender', $tb_o);
//error_log('**** json data: ' . $json_data);
// cache response
tb_save_cache($wp_json->decode($json_data), $sources);
exit;
} else {
if ($json_data = tb_get_cached_tweets_json($sources)) {
echo $json_data;
} else {
echo $json->encode(array('error' => __('No cache. Connection status code', 'tweetblender') . ' ' . $oAuth->http_code));
}
exit;
}
} else {
//error_log('getting it from cache');
if ($json_data = tb_get_cached_tweets_json($sources)) {
echo $json_data;
} else {
echo $json->encode(array('error' => __('Reached Twitter API limit and there is no cache.', 'tweetblender')));
