if (!empty($code)) {
// Surrounding whitespace can cause a 404 error, so trim it first
$code = trim($code);
// Make sure the code looks valid before sending it to Envato
if (!preg_match("/^([a-f0-9]{8})-(([a-f0-9]{4})-){3}([a-f0-9]{12})$/i", $code)) {
$label='Invalid code';
}
// Build the request
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => "https://api.envato.com/v3/market/author/sale?code={$code}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_TIMEOUT => 20,
CURLOPT_HTTPHEADER => array(
"Authorization: Bearer {$personalToken}",
"User-Agent: {$userAgent}"
)
));
// Send the request with warnings supressed
$response = @curl_exec($ch);
// Handle connection errors (such as an API outage)
// You should show users an appropriate message asking to try again later
if (curl_errno($ch) > 0) {
$label='Error connecting to API: ' . curl_error($ch);
}
// If we reach this point in the code, we have a proper response!
// Let's get the response code to check if the purchase code was found
$responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// HTTP 404 indicates that the purchase code doesn't exist
if ($responseCode === 404) {
$label='The purchase code was invalid';
}
// Anything other than HTTP 200 indicates a request or API error
// In this case, you should again ask the user to try again later
if ($responseCode !== 200) {
$label='Failed to validate code due to an error: HTTP {'.$responseCode.'}';
}
// Parse the response into an object with warnings supressed
$body = @json_decode($response);
// Check for errors while decoding the response (PHP 5.3+)
if ($body === false && json_last_error() !== JSON_ERROR_NONE) {
$label='Error parsing response';
}
// Now we can check the details of the purchase code
// At this point, you are guaranteed to have a code that belongs to you
// You can apply logic such as checking the item's name or ID
if ( isset($body->item->id) ) {
if ( $body->item->id == $enavato_itemid || $body->item->id == $bundle_id ) {
$label='DONE !';
qa_set_option('king_key', qa_post_text('king_key'));
} else {
$label='Invalid Purchase code !';
}
} else {
$label='Missing Purchase Code !';
}
}
