Maybe add a filter hook for the TOTP QR code URL

[roytanck]

I'm evaluating this plugin for use in my client's projects. Unfortunately, generating QR codes using googleapis is a hard no-go for them. Having a filter hook in get_google_qr_code would allow me to use a local QR generator instead.

Adding a filter hook in that function should be pretty straightforward, and I don't think it would introduce any other issues?

[kasparsd]

@roytanck I can totally relate to that concern. It would be great to replace it with a local QR generator as discussed in #42. There is an attempt to fix this in #388 but the changeset appear to be pretty large.

I won't mark this as duplicate of #42 since this asks for a filter instead of removing the external dependency completely.

[roytanck]

Yes, adding a PHP QR generator will likely introduce a lot of code. That's why I proposed a hook, so it can be done in an add-on plugin (one of which I already have to enforce 2FA and remove soem methods my client doesn't need).

I imagine that such a hook could remain in place, even if a local generator is implemented later.

[iandunn]

#487 replaced the Google generator with a local one, so there's no longer an external URL to filter.

There are the existing two_factor_totp_title and the new two_factor_totp_url filters though, to customize the locally-generated code.