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pass transient errors through retrieveLogEntry #1653

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merged 2 commits into from
Aug 29, 2023
Merged

pass transient errors through retrieveLogEntry #1653

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f08f0e8
pass transient errors through retrieveLogEntry
bobcallaway Aug 29, 2023
a979bac
fix lint error
bobcallaway Aug 29, 2023
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21 changes: 14 additions & 7 deletions pkg/api/entries.go
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Original file line number Diff line number Diff line change
Expand Up @@ -403,7 +403,7 @@ func GetLogEntryByUUIDHandler(params entries.GetLogEntryByUUIDParams) middleware
if _, ok := (err).(types.ValidationError); ok {
return handleRekorAPIError(params, http.StatusBadRequest, err, fmt.Sprintf("incorrectly formatted uuid %s", params.EntryUUID), params.EntryUUID)
}
return handleRekorAPIError(params, http.StatusInternalServerError, err, "ID %s not found in any known trees", params.EntryUUID)
return handleRekorAPIError(params, http.StatusInternalServerError, err, trillianCommunicationError)
}
return entries.NewGetLogEntryByUUIDOK().WithPayload(logEntry)
}
Expand Down Expand Up @@ -569,7 +569,10 @@ func retrieveLogEntry(ctx context.Context, entryUUID string) (models.LogEntry, e
for _, t := range trees {
logEntry, err := retrieveUUIDFromTree(ctx, uuid, t.TreeID)
if err != nil {
continue
if errors.Is(err, ErrNotFound) {
continue
}
return nil, err
}
return logEntry, nil
}
Expand All @@ -594,14 +597,18 @@ func retrieveUUIDFromTree(ctx context.Context, uuid string, tid int64) (models.L
switch resp.Status {
case codes.OK:
result := resp.GetLeafAndProofResult
leaf := result.Leaf
if leaf == nil {
return models.LogEntry{}, ErrNotFound
if resp.Err != nil {
// this shouldn't be possible since GetLeafAndProofByHash verifies the inclusion proof using a computed leaf hash
// so this is just a defensive check
if result.Leaf == nil {
return models.LogEntry{}, ErrNotFound
}
return models.LogEntry{}, err
}

logEntry, err := logEntryFromLeaf(ctx, api.signer, tc, leaf, result.SignedLogRoot, result.Proof, tid, api.logRanges)
logEntry, err := logEntryFromLeaf(ctx, api.signer, tc, result.Leaf, result.SignedLogRoot, result.Proof, tid, api.logRanges)
if err != nil {
return models.LogEntry{}, errors.New("could not create log entry from leaf")
return models.LogEntry{}, fmt.Errorf("could not create log entry from leaf: %w", err)
}
return logEntry, nil

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