/**
* Tests if example messages match actual messages after encryption/decryption and vice versa:
* decrypt(encrypted_example) == unencrypted_example
* encrypt(unencrypted_example) == encrypted_example
*
* @dataProvider filenameProvider
*/
public function testMessageEncryptionAgainstFixture($filename)
{
$fixture = json_decode(file_get_contents($filename));
foreach ($fixture->items as $example) {
$cipherParams = Crypto::getDefaultParams(['key' => $fixture->key, 'algorithm' => $fixture->algorithm, 'keyLength' => $fixture->keylength, 'mode' => $fixture->mode, 'iv' => $fixture->iv, 'base64Key' => true, 'base64Iv' => true]);
$decodedExample = new Message();
$decodedExample->fromJSON($example->encoded);
$decryptedExample = new Message();
$decryptedExample->setCipherParams($cipherParams);
$decryptedExample->fromJSON($example->encrypted);
$this->assertEquals($decodedExample->data, $decryptedExample->data, 'Expected unencrypted and decrypted message\'s contents to match');
$decodedExample->setCipherParams($cipherParams);
$encryptedJSON = json_decode($decodedExample->toJSON());
$this->assertEquals($example->encrypted->data, $encryptedJSON->data, 'Expected encrypted and example encrypted message\'s contents to match');
}
}
/**
* Posts a message to this channel
* @param mixed ... Either a Message, array of Message-s, or (string eventName, string data, [string clientId])
* @throws \Ably\Exceptions\AblyException
*/
public function publish()
{
$args = func_get_args();
$json = '';
if (count($args) == 1 && is_a($args[0], 'Ably\\Models\\Message')) {
// single Message
$msg = $args[0];
if ($this->options->cipher) {
$msg->setCipherParams($this->options->cipher);
}
$json = $msg->toJSON();
} else {
if (count($args) == 1 && is_array($args[0])) {
// array of Messages
$jsonArray = [];
foreach ($args[0] as $msg) {
if ($this->options->cipher) {
$msg->setCipherParams($this->options->cipher);
}
$jsonArray[] = $msg->toJSON();
}
$json = '[' . implode(',', $jsonArray) . ']';
} else {
if (count($args) >= 2 && count($args) <= 3) {
// eventName, data[, clientId]
$msg = new Message();
$msg->name = $args[0];
$msg->data = $args[1];
if (count($args) == 3) {
$msg->clientId = $args[2];
}
if ($this->options->cipher) {
$msg->setCipherParams($this->options->cipher);
}
$json = $msg->toJSON();
} else {
throw new AblyException('Wrong parameters provided, use either Message, array of Messages, or name and data', 40003, 400);
}
}
}
$authClientId = $this->ably->auth->clientId;
// if the message has a clientId set and we're using token based auth, the clientIds must match unless we're a wildcard client
if (!empty($msg->clientId) && !$this->ably->auth->isUsingBasicAuth() && $authClientId != '*' && $msg->clientId != $authClientId) {
throw new AblyException('Message\'s clientId does not match the clientId of the authorisation token.', 40102, 401);
}
$this->ably->post($this->channelPath . '/messages', $headers = [], $json);
return true;
}
