Daemon to listen FreeSWITCH Events and send em to Bitrix24 (box) via webHooks

For all questions, pls fork and explore.
DEV version, might will develop in the future.
Designed to work with this version of FusionPBX

Variables to specify on FusionPBX:

bitrix24_enabled = true
bitrix24_token = ${REST_ENTRYPOINT} = last path part (token) you for from Bitrix24 click2call path

Requests from Bitrix:

ONEXTERNALCALLSTART
http://<server_address>/rest/1/${REST_ENTRYPOINT}:${REST_PORT}
Token - ${REST_TOKEN} or ${REST_ENTRYPOINT}
Bitrix Domain - ${REST_REQUESTDOMAIN}

Some env variables description

BITRIX_URL - Where to send Bitrix24 webhook requests. Full path like https://crm.mycompany.com/rest/1/this_is_my_secret_token
REST_PORT - Port on which to listen for Click2Call requests. 3000 by default
REST_ENTRYPOINT - Outbound webhook for click2call should be like http://fusion_server:REST_PORT/rest/1/REST_ENTRYPOINT
REST_REQUESTDOMAIN - Domain to verify in outbound webhook from Bitrix in body.auth.domain
REST_TOKEN - Token to verify in outbound webhook in body.auth.application_token
FUSION_APIKEY - API Key of user in Fusion with click_to_call_call permission
FUSION_DOMAIN - On which domain we're sending a request for Click2Call.
FUSION_RECORDINGPATH - Actually path to get recording files. For example - https://fusion_server:8443
See nginx example below for port 8443 and default Fusion recording path

nginx site example for getting recordings.

server {
    listen 8080;
    server_name _;
    return 302 https://$host:8443$request_uri;
}

server {
    listen 8443;

    ssl                     on;
    ssl_certificate         /etc/ssl/wildcard.com.crt;
    ssl_certificate_key     /etc/ssl/wildcard.com.key;
    ssl_protocols           TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers             HIGH:!ADH:!MD5:!aNULL;

    access_log /var/log/nginx/access_rec.log;
    error_log /var/log/nginx/error_rec.log;

    client_max_body_size 10M;
    client_body_buffer_size 128k;

    location / {
        root /var/lib/freeswitch/recordings/;
        add_header Access-Control-Allow-Origin *;
        autoindex off;
    }

    # Disable viewing .htaccess & .htpassword & .db
    location ~ .htaccess {
            deny all;
    }
    location ~ .htpassword {
            deny all;
    }
    location ~^.+.(db)$ {
            deny all;
    }
}

More vars are in fusion_daemon/app/config