Laravel-MQTT: TLS connection configuration - php-mqtt/laravel-client

Question

I try to connect my [laravel] web application to the [mqtt] broker eclipse-mosquitto. The broker run on a different server then the application. I'm wondering how I can configure the .env file in my web application. Actually, I'm only able to connect without [TLS].

Here my .env file for my web application:

MQTT_HOST=//mosquitto
MQTT_PORT=8883
MQTT_TLS_ENABLED=true
MQTT_TLS_ALLOW_SELF_SIGNED_CERT=true
MQTT_TLS_CA_FILE=/usr/local/share/ca-certificates/ca.crt
MQTT_TLS_CA_PATH=/usr/local/share/ca-certificates
MQTT_TLS_CLIENT_CERT_FILE=/usr/local/share/ca-certificates/server.crt
MQTT_TLS_CLIENT_CERT_KEY_FILE=/usr/local/share/ca-certificates/server.key

I have put the absolute path that I found with the commande line realpath.

Here a snippet of the mqtt-client.php:

// The TLS settings used for the connection. Must match the specified port.
'tls' => [
    'enabled' => env('MQTT_TLS_ENABLED', false),
    'allow_self_signed_certificate' => env('MQTT_TLS_ALLOW_SELF_SIGNED_CERT', false),
    'verify_peer' => env('MQTT_TLS_VERIFY_PEER', true),
    'verify_peer_name' => env('MQTT_TLS_VERIFY_PEER_NAME', true),
    'ca_file' => env('MQTT_TLS_CA_FILE'),
    'ca_path' => env('MQTT_TLS_CA_PATH'),
    'client_certificate_file' => env('MQTT_TLS_CLIENT_CERT_FILE'),
    'client_certificate_key_file' => env('MQTT_TLS_CLIENT_CERT_KEY_FILE'),
    'client_certificate_key_passphrase' => env('MQTT_TLS_CLIENT_CERT_KEY_PASSPHRASE'),
],

With this setup I get this error: PhpMqtt\Client\Exceptions\ConfigurationInvalidException The Certificate Authority file setting must contain the path to a regular file.

I have try to add quotes, double quotes and curly brakets but nothing works.

The error message seems to be provided from [php-mqtt/laravel-client] directly and not from the mqtt broker.

Does anyone have an idea what i'm doing wrong?

Thanks!

Laravel-MQTT: TLS connection configuration - php-mqtt/laravel-client

Answers (1)

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