mathiasandClaude Opus 4.8
77f5e06d6b
The classification-aware I5 audit path (§4.4): - DegradingSink.Reserve: central up → AuditCentral; central down + confidential → refuse (no buffer); central down + internal/public + buffer writable → AuditBuffered; central down + buffer unwritable → floor refuse. Record executes the reserved outcome and, when buffered, fires an ntfy alert. - FileBuffer: durable JSONL buffer that survives process restart; Confirm rewrites the file without a record, so a buffered record is cleared ONLY after its central write is confirmed. - LokiCentral: /ready probe + /loki/api/v1/push (full audit entry as the structured line). NtfyNotifier: degraded-state alerts; token only in the auth header, never logged (regression-tested). - Reconcile + StartReconcile: replay buffered records to central on recovery, confirm-then-clear per record; a failed push keeps the record buffered (no loss). SlogSink updated to the two-phase shape (always central, never fails) — the default when no loki endpoint is set. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package audit
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"time"
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)
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// NtfyNotifier posts alerts to an ntfy topic URL. Used to surface a
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// degraded audit state (records buffered locally during a loki outage).
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type NtfyNotifier struct {
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topicURL string
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token string
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http *http.Client
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}
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// NewNtfyNotifier constructs a notifier for the given ntfy topic URL
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// (e.g. https://ntfy.sh/my-topic). token is an optional bearer for
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// protected ntfy instances; it is held here and only sent in the
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// Authorization header, never logged. Returns nil when topicURL is empty.
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func NewNtfyNotifier(topicURL, token string) *NtfyNotifier {
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if topicURL == "" {
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return nil
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}
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return &NtfyNotifier{
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topicURL: strings.TrimRight(topicURL, "/"),
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token: token,
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http: &http.Client{Timeout: 10 * time.Second},
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}
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}
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// Notify posts a message to the ntfy topic.
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func (n *NtfyNotifier) Notify(ctx context.Context, msg string) error {
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, n.topicURL, strings.NewReader(msg))
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if err != nil {
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return err
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}
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req.Header.Set("Title", "brain-capture audit degraded")
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req.Header.Set("Priority", "high")
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req.Header.Set("Tags", "warning,brain")
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if n.token != "" {
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req.Header.Set("Authorization", "Bearer "+n.token)
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}
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resp, err := n.http.Do(req)
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if err != nil {
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return fmt.Errorf("ntfy notify: %w", err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode < 200 || resp.StatusCode >= 300 {
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return fmt.Errorf("ntfy notify: status %d", resp.StatusCode)
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}
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return nil
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}
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