/
bearer.go
59 lines (49 loc) · 1.26 KB
/
bearer.go
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package auth
import (
"github.com/zalando/skipper/filters"
"github.com/zalando/skipper/secrets"
)
const (
BearerInjectorName = "bearerinjector"
)
type (
bearerInjectorSpec struct {
secretsReader secrets.SecretsReader
}
bearerInjectorFilter struct {
secretName string
secretsReader secrets.SecretsReader
}
)
func NewBearerInjector(sr secrets.SecretsReader) filters.Spec {
return &bearerInjectorSpec{
secretsReader: sr,
}
}
func (*bearerInjectorSpec) Name() string {
return BearerInjectorName
}
func (b *bearerInjectorSpec) CreateFilter(args []interface{}) (filters.Filter, error) {
if len(args) != 1 {
return nil, filters.ErrInvalidFilterParameters
}
secretName, ok := args[0].(string)
if !ok {
return nil, filters.ErrInvalidFilterParameters
}
return newBearerInjectorFilter(secretName, b.secretsReader), nil
}
func newBearerInjectorFilter(s string, sr secrets.SecretsReader) *bearerInjectorFilter {
return &bearerInjectorFilter{
secretName: s,
secretsReader: sr,
}
}
func (f *bearerInjectorFilter) Request(ctx filters.FilterContext) {
b, ok := f.secretsReader.GetSecret(f.secretName)
if !ok {
return
}
ctx.Request().Header.Set(authHeaderName, authHeaderPrefix+string(b))
}
func (*bearerInjectorFilter) Response(filters.FilterContext) {}