47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package external
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import (
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"github.com/hashicorp/go-uuid"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/acl/resolver"
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)
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// We tag logs with a unique identifier to ease debugging. In the future this
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// should probably be a real Open Telemetry trace ID.
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func TraceID() string {
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id, err := uuid.GenerateUUID()
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if err != nil {
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return ""
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}
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return id
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}
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type ACLResolver interface {
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ResolveTokenAndDefaultMeta(string, *acl.EnterpriseMeta, *acl.AuthorizerContext) (resolver.Result, error)
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}
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// RequireAnyValidACLToken checks that the caller provided a valid ACL token
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// without requiring any specific permissions. This is useful for endpoints
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// that are used by all/most consumers of our API, such as those called by the
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// consul-server-connection-manager library when establishing a new connection.
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//
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// Note: no token is required if ACLs are disabled.
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func RequireAnyValidACLToken(resolver ACLResolver, token string) error {
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authz, err := resolver.ResolveTokenAndDefaultMeta(token, nil, nil)
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if err != nil {
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return status.Error(codes.Unauthenticated, err.Error())
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}
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if id := authz.ACLIdentity; id != nil && id.ID() == acl.AnonymousTokenID {
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return status.Error(codes.Unauthenticated, "An ACL token must be provided (via the `x-consul-token` metadata field) to call this endpoint")
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}
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return nil
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}
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