ContainerImage.Pinniped/internal/oidc/provider/federation_domain_issuer.go
Joshua Casey 52b0cf43ca Fix godoc
2023-07-19 15:47:47 -05:00

83 lines
1.9 KiB
Go

// Copyright 2020-2023 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package provider
import (
"fmt"
"net/url"
"strings"
"go.pinniped.dev/internal/constable"
)
// FederationDomainIssuer represents all the settings and state for a downstream OIDC provider
// as defined by a FederationDomain.
type FederationDomainIssuer struct {
issuer string
issuerHost string
issuerPath string
}
// NewFederationDomainIssuer returns a FederationDomainIssuer.
// Performs validation, and returns any error from validation.
func NewFederationDomainIssuer(issuer string) (*FederationDomainIssuer, error) {
p := FederationDomainIssuer{issuer: issuer}
err := p.validate()
if err != nil {
return nil, err
}
return &p, nil
}
func (p *FederationDomainIssuer) validate() error {
if p.issuer == "" {
return constable.Error("federation domain must have an issuer")
}
issuerURL, err := url.Parse(p.issuer)
if err != nil {
return fmt.Errorf("could not parse issuer as URL: %w", err)
}
if issuerURL.Scheme != "https" {
return constable.Error(`issuer must have "https" scheme`)
}
if issuerURL.User != nil {
return constable.Error(`issuer must not have username or password`)
}
if strings.HasSuffix(issuerURL.Path, "/") {
return constable.Error(`issuer must not have trailing slash in path`)
}
if issuerURL.RawQuery != "" {
return constable.Error(`issuer must not have query`)
}
if issuerURL.Fragment != "" {
return constable.Error(`issuer must not have fragment`)
}
p.issuerHost = issuerURL.Host
p.issuerPath = issuerURL.Path
return nil
}
// Issuer returns the issuer
func (p *FederationDomainIssuer) Issuer() string {
return p.issuer
}
// IssuerHost returns the issuerHost
func (p *FederationDomainIssuer) IssuerHost() string {
return p.issuerHost
}
// IssuerPath returns the issuerPath
func (p *FederationDomainIssuer) IssuerPath() string {
return p.issuerPath
}