pomerium/authorize/authorize.go
Bobby DeSimone 5edfa7b03f
telemetry: add tracing
- telemetry/tace: add traces throughout code
- telemetry/metrics: nest metrics and trace under telemetry
- telemetry/tace: add service name span to HTTPMetricsHandler.
- telemetry/metrics: removed chain dependency middleware_tests.
- telemetry/metrics: wrap and encapsulate variatic view registration.
- telemetry/tace: add jaeger support for tracing.
- cmd/pomerium: move `parseOptions` to internal/config.
- cmd/pomerium: offload server handling to httputil and sub pkgs.
- httputil: standardize creation/shutdown of http listeners.
- httputil: prefer curve X25519 to P256 when negotiating TLS.
- fileutil: use standardized Getw

Signed-off-by: Bobby DeSimone <bobbydesimone@gmail.com>
2019-07-24 09:20:16 -07:00

66 lines
2.1 KiB
Go

package authorize // import "github.com/pomerium/pomerium/authorize"
import (
"encoding/base64"
"fmt"
"github.com/pomerium/pomerium/internal/config"
"github.com/pomerium/pomerium/internal/log"
"github.com/pomerium/pomerium/internal/telemetry/metrics"
)
// ValidateOptions checks to see if configuration values are valid for the
// authorize service. Returns first error, if found.
func ValidateOptions(o config.Options) error {
decoded, err := base64.StdEncoding.DecodeString(o.SharedKey)
if err != nil {
return fmt.Errorf("authorize: `SHARED_SECRET` setting is invalid base64: %v", err)
}
if len(decoded) != 32 {
return fmt.Errorf("authorize: `SHARED_SECRET` want 32 but got %d bytes", len(decoded))
}
return nil
}
// Authorize struct holds
type Authorize struct {
SharedKey string
identityAccess IdentityValidator
// contextValidator
// deviceValidator
}
// New validates and creates a new Authorize service from a set of Options
func New(opts config.Options) (*Authorize, error) {
if err := ValidateOptions(opts); err != nil {
return nil, err
}
// errors handled by validate
sharedKey, _ := base64.StdEncoding.DecodeString(opts.SharedKey)
return &Authorize{
SharedKey: string(sharedKey),
identityAccess: NewIdentityWhitelist(opts.Policies, opts.Administrators),
}, nil
}
// NewIdentityWhitelist returns an indentity validator.
// todo(bdd) : a radix-tree implementation is probably more efficient
func NewIdentityWhitelist(policies []config.Policy, admins []string) IdentityValidator {
metrics.AddPolicyCountCallback("authorize", func() int64 {
return int64(len(policies))
})
return newIdentityWhitelistMap(policies, admins)
}
// ValidIdentity returns if an identity is authorized to access a route resource.
func (a *Authorize) ValidIdentity(route string, identity *Identity) bool {
return a.identityAccess.Valid(route, identity)
}
// UpdateOptions updates internal structures based on config.Options
func (a *Authorize) UpdateOptions(o config.Options) error {
log.Info().Msg("authorize: updating options")
a.identityAccess = NewIdentityWhitelist(o.Policies, o.Administrators)
return nil
}