37 lines
2.3 KiB
Go
37 lines
2.3 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package extensionauth // import "go.opentelemetry.io/collector/extension/extensionauth"
|
|
|
|
import (
|
|
"context"
|
|
)
|
|
|
|
// Server is an optional Extension interface that can be used as an authenticator for the configauth.Config option.
|
|
// Authenticators are then included as part of OpenTelemetry Collector builds and can be referenced by their
|
|
// names from the [configauth.Config] configuration. Each Server is free to define its own behavior and configuration options,
|
|
// but note that the expectations that come as part of Extensions exist here as well. For instance, multiple instances of the same
|
|
// authenticator should be possible to exist under different names.
|
|
type Server interface {
|
|
// Authenticate checks whether the given map contains valid auth data. Successfully authenticated calls will always return a nil error.
|
|
// When the authentication fails, an error must be returned and the caller must not retry. This function is typically called from interceptors,
|
|
// on behalf of receivers, but receivers can still call this directly if the usage of interceptors isn't suitable.
|
|
// The deadline and cancellation given to this function must be respected, but note that authentication data has to be part of the map, not context.
|
|
// The resulting context should contain the authentication data, such as the principal/username, group membership (if available), and the raw
|
|
// authentication data (if possible). This will allow other components in the pipeline to make decisions based on that data, such as routing based
|
|
// on tenancy as determined by the group membership, or passing through the authentication data to the next collector/backend.
|
|
// The context keys to be used are not defined yet.
|
|
Authenticate(ctx context.Context, sources map[string][]string) (context.Context, error)
|
|
}
|
|
|
|
// ServerAuthenticateFunc defines the signature for the function responsible for performing the authentication based
|
|
// on the given sources map. See Server.Authenticate.
|
|
type ServerAuthenticateFunc func(ctx context.Context, sources map[string][]string) (context.Context, error)
|
|
|
|
func (f ServerAuthenticateFunc) Authenticate(ctx context.Context, sources map[string][]string) (context.Context, error) {
|
|
if f == nil {
|
|
return ctx, nil
|
|
}
|
|
return f(ctx, sources)
|
|
}
|