Handle hooks supported bot commands. Note multiple bots may support the same commands, and all respond. It is recommended all bots support the command 'help'.
m_confirm_url (Optional) - URL of the seller that will be requested when mobilpay.ro will make a decision about payment (e.g. confirmed, canceled). If it is not supplied the application will use confirm URL configured for the specified service in control panel
m_return_url (Optional) - URL where the user is redirected from mobilpay.Ro payment interface when the transaction is canceled or confirmed. If it is not supplied the application will use return URL configured for the specified service in control panel
m_tran_id (Mandatory) - payment transaction generated by seller; helps seller to interpret a request to return url; it should be unique for the specified service
orderId (Mandatory) - payment transaction identifier generated by merchant; helps merchant to interpret a request to confirm or return url; it should be unique for the specified signature
Find the mime type for the given file extension. It does not take into account whether the file type has been white-listed or not, and returns a binary download mime type for any unknown extensions.