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checker: split monolithic rule into per-concern rules

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Replace the single matrix_federation rule with individual rules for
federation status, well-known delegation, SRV records, connection
reachability, TLS checks, and homeserver version, so the UI surfaces a
clear checklist. Drop the incorrect well-known/server_name equality
check: m.server points at the delegated federation endpoint, which is
intentionally distinct from server_name.
This commit is contained in:
nemunaire 2026-04-26 00:40:59 +07:00
commit 7df5d8038e
8 changed files with 339 additions and 61 deletions
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48
checker/rules_srv.go Normal file
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package checker
import (
"context"
"fmt"
sdk "git.happydns.org/checker-sdk-go/checker"
)
// srvRecordsRule checks _matrix-fed._tcp / _matrix._tcp SRV delegation: was
// the lookup successful, and does it yield at least one record (or was it
// legitimately skipped because of a CNAME/well-known path)?
type srvRecordsRule struct{}
func (r *srvRecordsRule) Name() string { return "matrix.srv_records" }
func (r *srvRecordsRule) Description() string {
return "Checks that the Matrix SRV lookup (_matrix-fed._tcp / _matrix._tcp) succeeded or was legitimately skipped."
}
func (r *srvRecordsRule) Evaluate(ctx context.Context, obs sdk.ObservationGetter, _ sdk.CheckerOptions) []sdk.CheckState {
data, errSt := loadMatrixData(ctx, obs)
if errSt != nil {
return []sdk.CheckState{*errSt}
}
dns := data.DNSResult
if dns.SRVError != nil {
return []sdk.CheckState{critState("matrix.srv_records.error", fmt.Sprintf("SRV lookup error: %s", dns.SRVError.Message))}
}
if dns.SRVSkipped {
msg := "SRV lookup skipped by the federation tester."
if dns.SRVCName != "" {
msg = fmt.Sprintf("SRV lookup skipped (CNAME: %s).", dns.SRVCName)
}
return []sdk.CheckState{infoState("matrix.srv_records.skipped", msg)}
}
if len(dns.SRVRecords) == 0 {
return []sdk.CheckState{infoState(
"matrix.srv_records.absent",
"No Matrix SRV records published (federation may still work via well-known).",
)}
}
return []sdk.CheckState{passState("matrix.srv_records.ok", fmt.Sprintf("%d SRV record(s) published.", len(dns.SRVRecords)))}
}