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feat: implement challenge registry (#607)

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* feat: implement challenge method registry

This paves the way for implementing a no-js check method (#95) by making
the challenge providers more generic.

Signed-off-by: Xe Iaso <me@xeiaso.net>

* fix(lib/challenge): rename proof-of-work package to proofofwork

Signed-off-by: Xe Iaso <me@xeiaso.net>

* fix(lib): make validated challenges a CounterVec

Signed-off-by: Xe Iaso <me@xeiaso.net>

* fix(lib): annotate jwts with challenge method

Signed-off-by: Xe Iaso <me@xeiaso.net>

* test(lib/challenge/proofofwork): implement tests

Signed-off-by: Xe Iaso <me@xeiaso.net>

* test(lib): add smoke tests for known good and known bad config files

Signed-off-by: Xe Iaso <me@xeiaso.net>

* docs: update CHANGELOG

Signed-off-by: Xe Iaso <me@xeiaso.net>

* fix(lib): use challenge.Impl#Issue when issuing challenges

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>
This commit is contained in:
Xe Iaso 2025-06-03 22:01:58 -04:00 • committed by GitHub
parent ba4412c907
commit f2db43ad4b
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17 changed files with 480 additions and 132 deletions
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11
lib/policy/policy.go
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@ -5,10 +5,9 @@ import (
"fmt"
"io"
"github.com/TecharoHQ/anubis/lib/policy/config"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/TecharoHQ/anubis/lib/policy/config"
)
var (
@ -16,6 +15,8 @@ var (
Name: "anubis_policy_results",
Help: "The results of each policy rule",
}, []string{"rule", "action"})
ErrChallengeRuleHasWrongAlgorithm = errors.New("config.Bot.ChallengeRules: algorithm is invalid")
)
type ParsedConfig struct {
@ -107,12 +108,12 @@ func ParseConfig(fin io.Reader, fname string, defaultDifficulty int) (*ParsedCon
parsedBot.Challenge = &config.ChallengeRules{
Difficulty: defaultDifficulty,
ReportAs: defaultDifficulty,
Algorithm: config.AlgorithmFast,
Algorithm: "fast",
}
} else {
parsedBot.Challenge = b.Challenge
if parsedBot.Challenge.Algorithm == config.AlgorithmUnknown {
parsedBot.Challenge.Algorithm = config.AlgorithmFast
if parsedBot.Challenge.Algorithm == "" {
parsedBot.Challenge.Algorithm = config.DefaultAlgorithm
}
}