oauth2-proxy/providers/adfs.go

71 lines
1.7 KiB
Go

package providers
import (
"net/url"
"strings"
)
// ADFSProvider represents an ADFS based Identity Provider
type ADFSProvider struct {
*OIDCProvider
skipScope bool
}
var _ Provider = (*ADFSProvider)(nil)
const (
adfsProviderName = "ADFS"
adfsDefaultScope = "openid email profile"
adfsSkipScope = false
adfsEmailClaim = "upn"
)
// NewADFSProvider initiates a new ADFSProvider
func NewADFSProvider(p *ProviderData) *ADFSProvider {
p.setProviderDefaults(providerDefaults{
name: adfsProviderName,
scope: adfsDefaultScope,
})
p.EmailClaim = adfsEmailClaim
if p.ProtectedResource != nil && p.ProtectedResource.String() != "" {
resource := p.ProtectedResource.String()
if !strings.HasSuffix(resource, "/") {
resource += "/"
}
if p.Scope != "" && !strings.HasPrefix(p.Scope, resource) {
p.Scope = resource + p.Scope
}
}
return &ADFSProvider{
OIDCProvider: &OIDCProvider{
ProviderData: p,
SkipNonce: true,
},
skipScope: adfsSkipScope,
}
}
// Configure defaults the ADFSProvider configuration options
func (p *ADFSProvider) Configure(skipScope bool) {
p.skipScope = skipScope
}
// GetLoginURL Override to double encode the state parameter. If not query params are lost
// More info here: https://docs.microsoft.com/en-us/powerapps/maker/portals/configure/configure-saml2-settings
func (p *ADFSProvider) GetLoginURL(redirectURI, state, nonce string) string {
extraParams := url.Values{}
if !p.SkipNonce {
extraParams.Add("nonce", nonce)
}
loginURL := makeLoginURL(p.Data(), redirectURI, url.QueryEscape(state), extraParams)
if p.skipScope {
q := loginURL.Query()
q.Del("scope")
loginURL.RawQuery = q.Encode()
}
return loginURL.String()
}