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52 lines
2.3 KiB
Go
52 lines
2.3 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package audit
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import (
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"context"
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"io"
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"github.com/hashicorp/vault/sdk/logical"
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)
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// Formatter is an interface that is responsible for formatting a
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// request/response into some format. Formatters write their output
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// to an io.Writer.
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//
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// It is recommended that you pass data through Hash prior to formatting it.
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type Formatter interface {
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FormatRequest(context.Context, io.Writer, FormatterConfig, *logical.LogInput) error
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FormatResponse(context.Context, io.Writer, FormatterConfig, *logical.LogInput) error
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}
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type FormatterConfig struct {
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Raw bool
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HMACAccessor bool
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// Vault lacks pagination in its APIs. As a result, certain list operations can return **very** large responses.
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// The user's chosen audit sinks may experience difficulty consuming audit records that swell to tens of megabytes
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// of JSON. The responses of list operations are typically not very interesting, as they are mostly lists of keys,
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// or, even when they include a "key_info" field, are not returning confidential information. They become even less
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// interesting once HMAC-ed by the audit system.
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//
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// Some example Vault "list" operations that are prone to becoming very large in an active Vault installation are:
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// auth/token/accessors/
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// identity/entity/id/
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// identity/entity-alias/id/
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// pki/certs/
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//
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// This option exists to provide such users with the option to have response data elided from audit logs, only when
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// the operation type is "list". For added safety, the elision only applies to the "keys" and "key_info" fields
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// within the response data - these are conventionally the only fields present in a list response - see
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// logical.ListResponse, and logical.ListResponseWithInfo. However, other fields are technically possible if a
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// plugin author writes unusual code, and these will be preserved in the audit log even with this option enabled.
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// The elision replaces the values of the "keys" and "key_info" fields with an integer count of the number of
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// entries. This allows even the elided audit logs to still be useful for answering questions like
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// "Was any data returned?" or "How many records were listed?".
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ElideListResponses bool
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// This should only ever be used in a testing context
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OmitTime bool
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}
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