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Split webhook message sending into different models.

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This commit is contained in:
James Cole
2020-12-04 06:21:22 +01:00
parent 888f5896ff
commit 7ee9b51b3f
4 changed files with 72 additions and 32 deletions
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6
app/Generator/Webhook/WebhookMessageGenerator.php
View File

@@ -100,6 +100,8 @@ class WebhookMessageGenerator
/**
* @param Webhook $webhook
*
* @throws FireflyException
*/
private function runWebhook(Webhook $webhook): void
{
@@ -124,6 +126,7 @@ class WebhookMessageGenerator
'trigger' => config('firefly.webhooks.triggers')[$webhook->trigger],
'url' => $webhook->url,
'uuid' => $uuid->toString(),
'version' => 0,
'response' => config('firefly.webhooks.responses')[$webhook->response],
'content' => [],
];
@@ -131,6 +134,8 @@ class WebhookMessageGenerator
switch ($webhook->response) {
default:
throw new FireflyException(sprintf('Cannot handle this webhook response (%d)', $webhook->response));
case Webhook::RESPONSE_NONE:
$message['content'] = [];
case Webhook::RESPONSE_TRANSACTIONS:
$transformer = new TransactionGroupTransformer;
$message['content'] = $transformer->transformObject($transactionGroup);
@@ -177,7 +182,6 @@ class WebhookMessageGenerator
$webhookMessage->errored = false;
$webhookMessage->uuid = $message['uuid'];
$webhookMessage->message = $message;
$webhookMessage->logs = null;
$webhookMessage->save();
return $webhookMessage;

71
app/Handlers/Events/WebhookEventHandler.php
View File

@@ -23,6 +23,7 @@ namespace FireflyIII\Handlers\Events;
use Exception;
use FireflyIII\Models\WebhookAttempt;
use FireflyIII\Models\WebhookMessage;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\ClientException;
@@ -41,56 +42,69 @@ class WebhookEventHandler
{
$max = (int)config('firefly.webhooks.max_attempts');
$max = 0 === $max ? 3 : $max;
$messages = WebhookMessage::where('sent', 0)
->where('attempts', '<=', $max)
->get();
Log::debug(sprintf('Going to send %d webhook message(s)', $messages->count()));
$messages = WebhookMessage
::where('webhook_messages.sent', 0)
->where('webhook_messages.errored', 0)
->get(['webhook_messages.*']);
Log::debug(sprintf('Found %d webhook message(s) to be send.', $messages->count()));
/** @var WebhookMessage $message */
foreach ($messages as $message) {
$this->sendMessage($message);
$count = $message->webhookAttempts()->count();
if ($count >= 3) {
Log::info('No send message.');
continue;
}
// TODO needs its own handler.
$this->sendMessageV0($message);
}
}
/**
* @param WebhookMessage $message
*/
private function sendMessage(WebhookMessage $message): void
private function sendMessageV0(WebhookMessage $message): void
{
Log::debug(sprintf('Trying to send webhook message #%d', $message->id));
try {
$json = json_encode($message->message, JSON_THROW_ON_ERROR);
} catch (JsonException $e) {
$message->attempts++;
$message->logs[] = sprintf('%s: %s', date('Y-m-d H:i:s'), sprintf('Json error: %s', $e->getMessage()));
$message->save();
$attempt = new WebhookAttempt;
$attempt->webhookMessage()->associate($message);
$attempt->status_code = 0;
$attempt->logs = sprintf('Json error: %s', $e->getMessage());
$attempt->save();
return;
}
$user = $message->webhook->user;
try {
$token = $user->generateAccessToken();
} catch (Exception $e) {
$message->attempts++;
$message->logs[] = sprintf('%s: %s', date('Y-m-d H:i:s'), sprintf('Could not generate token: %s', $e->getMessage()));
$message->save();
// signature v0 is generated using the following structure:
// The signed_payload string is created by concatenating:
// The timestamp (as a string)
// The character .
// The character .
// The actual JSON payload (i.e., the request body)
$timestamp = time();
$payload = sprintf('%s.%s', $timestamp, $json);
$signature = hash_hmac('sha3-256', $payload, $message->webhook->secret, false);
return;
}
$accessToken = app('preferences')->getForUser($user, 'access_token', $token);
$signature = hash_hmac('sha3-256', $json, $accessToken->data, false);
$options = [
// signature string:
// header included in each signed event contains a timestamp and one or more signatures.
// The timestamp is prefixed by t=, and each signature is prefixed by a scheme.
// Schemes start with v, followed by an integer. Currently, the only valid live signature scheme is v0.
$signatureString = sprintf('t=%s,v0=%s', $timestamp, $signature);
$options = [
'body' => $json,
'headers' => [
'Content-Type' => 'application/json',
'Accept' => 'application/json',
'Signature' => $signature,
'Signature' => $signatureString,
'connect_timeout' => 3.14,
'User-Agent' => sprintf('FireflyIII/%s', config('firefly.version')),
'timeout' => 10,
],
];
$client = new Client;
$logs = $message->logs ?? [];
$client = new Client;
$logs = $message->logs ?? [];
try {
$res = $client->request('POST', $message->webhook->url, $options);
$message->sent = true;
@@ -101,10 +115,15 @@ class WebhookEventHandler
$message->errored = true;
$message->sent = false;
}
$message->attempts++;
$message->logs = $logs;
$message->save();
$attempt = new WebhookAttempt;
$attempt->webhookMessage()->associate($message);
$attempt->status_code = $res->getStatusCode();
$attempt->logs = '';
$attempt->response = (string)$res->getBody();
$attempt->save();
Log::debug(sprintf('Webhook message #%d was sent. Status code %d', $message->id, $res->getStatusCode()));
Log::debug(sprintf('Webhook request body size: %d bytes', strlen($json)));
Log::debug(sprintf('Response body: %s', $res->getBody()));