Wifi captive portal hotpot

The release candidates are available for wide beta release. The maintenance release has been extensively tested, the preview release awaits maturation of the underlying OS for testing.

Three payment modules implemented, but await further development. A fourth is working correctly, but awaits wide beta testing. The architecture of the underlying process supports adding additional payment processors.

SMTP modules are completed and extensively tested. Supports Gmail and generic SMTP mail servers for multifactor authentication.

Localization completed for end user experience. Localization for system operator subject for next upgrade.

Self registration complete, with MFA included. Can be operated as free service with registration, free service without registration, or pay service.

New feature excludes device/network from captive portal control, so can be integrated anywhere in any network.

Duration of access and bandwidth usage both configurable, with automatic fallback upon subscription expiration.

Complies with GDPR and payment processing privacy requirements. There is limited sysop access to personally identifying data, and no access to complete financial transaction data.

Source code is included in the archive.