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feat(lib): use new challenge creation flow

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Previously Anubis constructed challenge strings from request metadata.
This was a good idea in spirit, but has turned out to be a very bad idea
in practice. This new flow reuses the Store facility to dynamically
create challenge values with completely random data.

This is a fairly big rewrite of how Anubis processes challenges. Right
now it defaults to using the in-memory storage backend, but on-disk
(boltdb) and valkey-based adaptors will come soon.

Signed-off-by: Xe Iaso <me@xeiaso.net>
This commit is contained in:
Xe Iaso
2025-07-02 23:56:15 +00:00
parent e5c39facfe
commit def6f2dc90
14 changed files with 211 additions and 165 deletions
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7
lib/challenge/proofofwork/proofofwork.go
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@@ -9,7 +9,6 @@ import (
"strings"
"github.com/TecharoHQ/anubis/internal"
"github.com/TecharoHQ/anubis/lib/challenge"
chall "github.com/TecharoHQ/anubis/lib/challenge"
"github.com/TecharoHQ/anubis/lib/localization"
"github.com/TecharoHQ/anubis/web"
@@ -31,7 +30,7 @@ func (i *Impl) Setup(mux *http.ServeMux) {
func (i *Impl) Issue(r *http.Request, lg *slog.Logger, in *chall.IssueInput) (templ.Component, error) {
loc := localization.GetLocalizer(r)
component, err := web.BaseWithChallengeAndOGTags(loc.T("making_sure_not_bot"), web.Index(loc), in.Impressum, in.Challenge, in.Rule.Challenge, in.OGTags, loc)
component, err := web.BaseWithChallengeAndOGTags(loc.T("making_sure_not_bot"), web.Index(loc), in.Impressum, in.Challenge.RandomData, in.Rule.Challenge, in.OGTags, loc)
if err != nil {
return nil, fmt.Errorf("can't render page: %w", err)
}
@@ -39,9 +38,9 @@ func (i *Impl) Issue(r *http.Request, lg *slog.Logger, in *chall.IssueInput) (te
return component, nil
}
func (i *Impl) Validate(r *http.Request, lg *slog.Logger, in *challenge.ValidateInput) error {
func (i *Impl) Validate(r *http.Request, lg *slog.Logger, in *chall.ValidateInput) error {
rule := in.Rule
challenge := in.Challenge
challenge := in.Challenge.RandomData
nonceStr := r.FormValue("nonce")
if nonceStr == "" {