23 lines
1,022 B
Text
23 lines
1,022 B
Text
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// SPDX-License-Identifier: AGPL-3.0-only
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// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
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export module Crafter.Review:Totp;
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import std;
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// A current TOTP code (RFC 6238, SHA-1, 30 s, 6 digits) for a login fixture:
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// what the functional lens types into the one-time-code field.
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export namespace Crafter::Review::Totp {
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struct Code {
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std::string code;
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// The seconds left in its window.
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std::int32_t left;
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};
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// secret: base32, spaces and case as a seeder writes it; std::invalid_argument
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// with binascii's message for one that is no base32. The clock is read once,
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// so the code and the seconds left belong to the same window.
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Code At(std::string_view secret, double now, std::int32_t step = 30, std::int32_t digits = 6);
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// `crafter-review totp <fixture.json>` or `--secret <base32>`: prints
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// "123456 (valid 17s)". Exit 1 for a fixture without a secret or a bad
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// command line.
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std::int32_t Main(std::span<const std::string_view> args);
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}
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