Remove dead code

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/iam/saml/saml_metadata.go

@@ -1,87 +0,0 @@
-// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
-// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-// PERFORMANCE OF THIS SOFTWARE.
-
-package saml
-
-import (
-	"crypto/x509"
-	"encoding/base64"
-	"encoding/xml"
-	"fmt"
-
-	"github.com/crewjam/saml"
-)
-
-func ParseIdpMetadata(metadataXML []byte) (string, string, *x509.Certificate, error) {
-	var entityDescriptor saml.EntityDescriptor
-	err := xml.Unmarshal(metadataXML, &entityDescriptor)
-	if err != nil {
-		return "", "", nil, fmt.Errorf("cannot parse metadata XML: %w", err)
-	}
-
-	if len(entityDescriptor.IDPSSODescriptors) == 0 {
-		return "", "", nil, fmt.Errorf("no IDPSSODescriptor found in metadata")
-	}
-
-	idpDescriptor := entityDescriptor.IDPSSODescriptors[0]
-
-	ssoURL, err := getSsoURLFromMetadata(idpDescriptor)
-	if err != nil {
-		return "", "", nil, fmt.Errorf("cannot get SSO URL from metadata: %w", err)
-	}
-
-	cert, err := getCertificateFromMetadata(idpDescriptor)
-	if err != nil {
-		return "", "", nil, fmt.Errorf("cannot get certificate from metadata: %w", err)
-	}
-
-	return entityDescriptor.EntityID, ssoURL, cert, nil
-}
-
-func getSsoURLFromMetadata(idpDescriptor saml.IDPSSODescriptor) (string, error) {
-	for _, sso := range idpDescriptor.SingleSignOnServices {
-		if sso.Binding == saml.HTTPPostBinding || sso.Binding == saml.HTTPRedirectBinding {
-			return sso.Location, nil
-		}
-	}
-
-	if len(idpDescriptor.SingleSignOnServices) > 0 {
-		return idpDescriptor.SingleSignOnServices[0].Location, nil
-	}
-
-	return "", fmt.Errorf("no SingleSignOnService found in metadata")
-}
-
-func getCertificateFromMetadata(idpDescriptor saml.IDPSSODescriptor) (*x509.Certificate, error) {
-	for _, keyDescriptor := range idpDescriptor.KeyDescriptors {
-		if keyDescriptor.Use == "signing" || keyDescriptor.Use == "" {
-			if len(keyDescriptor.KeyInfo.X509Data.X509Certificates) > 0 {
-				certData := keyDescriptor.KeyInfo.X509Data.X509Certificates[0].Data
-				certDER, err := base64.StdEncoding.DecodeString(certData)
-				if err != nil {
-					return nil, fmt.Errorf("cannot decode certificate: %w", err)
-				}
-
-				cert, err := x509.ParseCertificate(certDER)
-				if err != nil {
-					return nil, fmt.Errorf("cannot parse certificate: %w", err)
-				}
-
-				return cert, nil
-			}
-		}
-	}
-
-	return nil, fmt.Errorf("no signing certificate found in metadata")
-}