Implement SAML endpoints for APIv4 (#5671)

* Implement SAML endpoints for APIv4

* Fix unit test

* Only disable encryption when removing puplic/private certs

model/saml.go

@@ -3,6 +3,11 @@
 
 package model
 
+import (
+	"encoding/json"
+	"io"
+)
+
 const (
 	USER_AUTH_SERVICE_SAML      = "saml"
 	USER_AUTH_SERVICE_SAML_TEXT = "With SAML"
@@ -16,3 +21,29 @@ type SamlAuthRequest struct {
 	URL               string
 	RelayState        string
 }
+
+type SamlCertificateStatus struct {
+	IdpCertificateFile    bool `json:"idp_certificate_file"`
+	PrivateKeyFile        bool `json:"private_key_file"`
+	PublicCertificateFile bool `json:"public_certificate_file"`
+}
+
+func (s *SamlCertificateStatus) ToJson() string {
+	b, err := json.Marshal(s)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
+func SamlCertificateStatusFromJson(data io.Reader) *SamlCertificateStatus {
+	decoder := json.NewDecoder(data)
+	var status SamlCertificateStatus
+	err := decoder.Decode(&status)
+	if err == nil {
+		return &status
+	} else {
+		return nil
+	}
+}