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88 lines
2.9 KiB
PHP
88 lines
2.9 KiB
PHP
<?
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require_once('Core.php');
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use Safe\DateTime;
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use function Safe\file_get_contents;
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use function Safe\preg_match;
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use function Safe\preg_replace;
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use function Safe\json_decode;
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// This webhook receives POSTs when email from a Fractured Atlas donation is received
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// at the SE Zoho email account. This script processes the email, and inserts the donation ID
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// into the database for later processing by ~se/web/scripts/process-pending-payments
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$log = new Log(ZOHO_WEBHOOK_LOG_FILE_PATH);
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try{
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$log->Write('Received Zoho webhook.');
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if(HttpInput::RequestMethod() != HTTP_POST){
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throw new Exceptions\WebhookException('Expected HTTP POST.');
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}
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$post = file_get_contents('php://input');
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// Validate the Zoho secret.
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if(!hash_equals($_SERVER['HTTP_X_HOOK_SIGNATURE'], base64_encode(hash_hmac('sha256', $post, preg_replace("/[\r\n]/ius", '', file_get_contents(ZOHO_SECRET_FILE_PATH)), true)))){
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throw new Exceptions\InvalidCredentialsException();
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}
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$data = json_decode($post);
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if($data->fromAddress == 'support@fracturedatlas.org' && strpos($data->subject, 'NOTICE:') !== false){
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$log->Write('Processing new donation.');
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// Get the donation ID
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preg_match('/Donation ID: ([0-9a-f\-]+)/us', $data->html, $matches);
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if(sizeof($matches) == 2){
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$transactionId = $matches[1];
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// FA has a bug where some anonymous donations can't be found in their search form,
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// so we aren't able to get them programatically later. Therefore, store anonymous donations right now
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// instead of queueing them for later retrieval.
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if(preg_match('/Donor: Anonymous/u', $data->html) === 1){
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$payment = new Payment();
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$payment->ChannelId = PAYMENT_CHANNEL_FA;
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$payment->TransactionId = $transactionId;
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$payment->Timestamp = new DateTime();
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$payment->IsRecurring = stripos($data->subject, 'recurring') !== false;
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preg_match('/Amount: \$([\d\.]+)/u', $data->html, $matches);
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if(sizeof($matches) == 2){
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$payment->Amount = $matches[1];
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$payment->Fee = $payment->Amount - ($payment->Amount / 1.087);
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}
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$payment->Create();
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}
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else{
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Db::Query('INSERT into PendingPayments (Timestamp, ChannelId, TransactionId) values (utc_timestamp(), ?, ?);', [PAYMENT_CHANNEL_FA, $transactionId]);
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}
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$log->Write('Donation ID: ' . $transactionId);
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}
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else{
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throw new Exceptions\WebhookException('Couldn\'t find donation ID.');
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}
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}
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$log->Write('Event processed.');
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// "Success, no content"
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http_response_code(204);
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}
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catch(Exceptions\InvalidCredentialsException $ex){
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// "Forbidden"
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$log->Write('Couldn\'t validate POST data.');
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http_response_code(403);
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}
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catch(Exceptions\WebhookException $ex){
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// Uh oh, something went wrong!
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// Log detailed error and debugging information locally.
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$log->Write('Webhook failed! Error: ' . $ex->getMessage());
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$log->Write('Webhook POST data: ' . $ex->PostData);
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// Print less details to the client.
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print($ex->getMessage());
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// "Client error"
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http_response_code(400);
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}
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