ok == true) {
// Save the key if its valid
update_option('adpage_apikey', $_POST['api-key']);
}
else {
// Create an error
$errors[] = 'This API-key is not valid!';
}
}
if ($action == 'clear_cache') {
// Count total cleared cache files
$i = 0;
// Get cache files from directory
$cache_dir = glob(dirname(__FILE__) . '/cache/*');
// Loop through each cache file
foreach ($cache_dir as $cache) {
// Update the counter
$i++;
// Make sure it is a file
if (is_file($cache)) {
// Delete the cache file
unlink($cache);
}
}
// Show a message to the user
if ($i > 0) {
$notices[] = 'Cache for '.$i.' campaign(s) has been cleared.';
}
else {
$notices[] = 'There wasn\'t any cache to clear.';
}
}
$api_key = get_option('adpage_apikey');
$campaigns = get_option('adpage_campaigns');
// Connect a new campaign
if ($action == 'connect') {
// Get the posted content
$hash = $_POST['hash'];
$path = trim($_POST['path']);
// Path needs to be alphanumerical
if ((ctype_alnum($path)) AND (isset($path))) {
// Path needs at least 5 characters
if (strlen($path) >= 5) {
// Validate received hash
if (!preg_match('/[^a-z\-0-9]/i', $hash)) {
// Retrieve all users campaigns
$api_request = adpgc_api_request('key');
$campaigns = json_decode($campaigns, true);
// Loop through all campaigns
foreach ($api_request->campaigns as $api_campaign) {
// Add the new campaign
if ($hash == $api_campaign->hash) {
$campaigns[$hash] = array(
'hash' => $api_campaign->hash,
'title' => $api_campaign->name,
'path' => $api_campaign->link,
'slug' => $path
);
}
}
// Update database entities
update_option('adpage_campaigns', json_encode($campaigns));
// Show a messaga to the user
$notices[] = 'Campaign has been connected successfully!';
}
else {
$notices[] = 'Invalid parameters received!';
}
}
else {
// Show an error
$notices[] = 'Could not connect campaign, path must contain at least 5 characters.';
}
}
else {
// Show an error
$notices[] = 'Could not connect campaign, path is not alphanumerical.';
}
}
// Disconnect a campaign
if ($action == 'disconnect') {
// The hash of the campaign to delete
$hash = $_GET['hash'];
// Validate received hash
if (!preg_match('/[^a-z\-0-9]/i', $hash)) {
$campaigns = json_decode($campaigns, true);
$campaigns_new = array();
// Loop through all results
foreach ($campaigns as $storage_campaign) {
// Remove the entity in case
if ($hash != $storage_campaign['hash']) {
$campaigns_new[$storage_campaign['hash']] = array(
'hash' => $storage_campaign['hash'],
'title' => $storage_campaign['title'],
'path' => $storage_campaign['path'],
'slug' => $storage_campaign['slug']
);
}
}
// Update the entities in the database
update_option('adpage_campaigns', json_encode($campaigns_new));
// Show a messaga to the user
$notices[] = 'Campaign has been disconnected successfully.';
}
else {
$notices[] = 'Invalid parameters received!';
}
}
// Get campaigns from the database
$campaigns = get_option('adpage_campaigns');
if (strlen($api_key) == 0) {
// Welcome page if there isnt a API-key
include dirname(__FILE__) . '/pages/api_key.php';
}
else {
// Check if the key is valid
$api_request = adpgc_api_request('key');
if ($api_request->ok == true) {
// Show the settings page
include dirname(__FILE__) . '/pages/settings.php';
}
else {
// Create and display an error
$errors['title'] = 'The API key is no longer valid!';
$errors['description'] = 'It seems like the provided API-key is no longer valid or access has been revoked. Create a new API-key on the AdPage dashboard.';
include dirname(__FILE__) . '/pages/error.php';
}
}
}
function adpgc_endpoint() {
global $wp;
// Get the campaigns from the database
$get_campaigns = json_decode(get_option('adpage_campaigns'), true);
$campaign = false;
// Loop through all campaigns
foreach($get_campaigns as $value) {
// If a campaign-slug matched the request-URL
if ($value['slug'] == $wp->request) {
$campaign = $value;
}
}
// We've got a campaign to display
if ($campaign != false) {
// Set the HTTP-header
header('Content-Type: text/html');
// Campaign parameters from database
$campaign_path = $campaign['path'];
$campaign_title = $campaign['title'];
// Get the campaign content
$fetch_campaign = adpgc_get_campaign($campaign_path);
if ($fetch_campaign != false) {
// Replace the default title
$campaign = str_replace('Live', ''.$campaign_title.'', $fetch_campaign);
// Output the campaign
echo $campaign;
exit;
}
}
}
function adpgc_validate_key($key) {
// Call the AdPage API
$result = adpgc_api_request($key);
// Check if we've got content
if ($result) {
return $result;
}
else {
return false;
}
}
function adpgc_api_request($request_key) {
// Define the API-key
if ($request_key != 'key') {
$key = $request_key;
}
else {
$key = get_option('adpage_apikey');
}
// Get all campaigns from AdPage
$request = wp_remote_get(ADPGC_API_URL . '/info', array(
'body' => $data,
'headers' => array(
'Token' => $key,
),
));
// Decode returned JSON from API
$result = json_decode($request['body']);
return $result;
}
function adpgc_get_campaign($path) {
// Create a hash from the path name
$hash = md5($path);
// Get the cache path
$cache = dirname(__FILE__) . '/cache/'.$hash.'.html';
// Check if the cache exist
if (file_exists($cache)) {
// Return campaign from cache
return file_get_contents($cache);
}
else {
// Download campaign from AdPage
$campaign = adpgc_download_campaign($path);
// Create cache dir if it doesnt exist
if (!file_exists(dirname(__FILE__) . '/cache')) {
mkdir(dirname(__FILE__) . '/cache');
}
// Cache the campaign locally
file_put_contents($cache, $campaign);
return $campaign;
}
}
function adpgc_download_campaign($path) {
// Retrieve campaign from AdPage
$request = wp_remote_get($path);
// Get the status code
$status_code = wp_remote_retrieve_response_code($request);
// Status code tells if the campaign exists
if (in_array($status_code, array(200, 202))) {
// Return the content body
$body = $request['body'];
return $body;
}
else {
return false;
}
}
?>