feat: replace deprecated github.com/RobotsAndPencils/go-saml (casdo…

…or#2558)

The `github.com/RobotsAndPencils/go-saml` has been officially deprecated
and archived on 7 June 2023.

Signed-off-by: Eng Zer Jun <[email protected]>

go.mod

@@ -4,7 +4,6 @@ go 1.16
 
 require (
 	github.com/Masterminds/squirrel v1.5.3
-	github.com/RobotsAndPencils/go-saml v0.0.0-20170520135329-fb13cb52a46b
 	github.com/alexedwards/argon2id v0.0.0-20211130144151-3585854a6387
 	github.com/aws/aws-sdk-go v1.45.5
 	github.com/beego/beego v1.12.12
@@ -33,13 +32,11 @@ require (
 	github.com/golang-jwt/jwt/v4 v4.5.0
 	github.com/google/uuid v1.4.0
 	github.com/json-iterator/go v1.1.12
-	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 // indirect
 	github.com/lestrrat-go/jwx v1.2.21
 	github.com/lib/pq v1.10.9
 	github.com/lor00x/goldap v0.0.0-20180618054307-a546dffdd1a3
 	github.com/markbates/goth v1.75.2
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d // indirect
 	github.com/nyaruka/phonenumbers v1.1.5
 	github.com/pquerna/otp v1.4.0
 	github.com/prometheus/client_golang v1.11.1

go.sum

@@ -962,8 +962,6 @@ github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/ProtonMail/go-crypto v0.0.0-20221026131551-cf6655e29de4 h1:ra2OtmuW0AE5csawV4YXMNGNQQXvLRps3z2Z59OPO+I=
 github.com/ProtonMail/go-crypto v0.0.0-20221026131551-cf6655e29de4/go.mod h1:UBYPn8k0D56RtnR8RFQMjmh4KrZzWJ5o7Z9SYjossQ8=
-github.com/RobotsAndPencils/go-saml v0.0.0-20170520135329-fb13cb52a46b h1:EgJ6N2S0h1WfFIjU5/VVHWbMSVYXAluop97Qxpr/lfQ=
-github.com/RobotsAndPencils/go-saml v0.0.0-20170520135329-fb13cb52a46b/go.mod h1:3SAoF0F5EbcOuBD5WT9nYkbIJieBS84cUQXADbXeBsU=
 github.com/RocketChat/Rocket.Chat.Go.SDK v0.0.0-20221121042443-a3fd332d56d9 h1:vuu1KBsr6l7XU3CHsWESP/4B1SNd+VZkrgeFZsUXrsY=
 github.com/RocketChat/Rocket.Chat.Go.SDK v0.0.0-20221121042443-a3fd332d56d9/go.mod h1:rjP7sIipbZcagro/6TCk6X0ZeFT2eyudH5+fve/cbBA=
 github.com/SherClockHolmes/webpush-go v1.2.0 h1:sGv0/ZWCvb1HUH+izLqrb2i68HuqD/0Y+AmGQfyqKJA=
@@ -1588,8 +1586,6 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
 github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
 github.com/jung-kurt/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
 github.com/jung-kurt/gofpdf v1.0.3-0.20190309125859-24315acbbda5/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
-github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 h1:iQTw/8FWTuc7uiaSepXwyf3o52HaUYcV+Tu66S3F5GA=
-github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/kevinburke/go-types v0.0.0-20210723172823-2deba1f80ba7/go.mod h1:/Pk5i/SqYdYv1cie5wGwoZ4P6TpgMi+Yf58mtJSHdOw=
@@ -1734,8 +1730,6 @@ github.com/nats-io/nkeys v0.3.0/go.mod h1:gvUNGjVcM2IPr5rCsRsC6Wb3Hr2CQAm08dsxtV
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/nbio/st v0.0.0-20140626010706-e9e8d9816f32/go.mod h1:9wM+0iRr9ahx58uYLpLIr5fm8diHn0JbqRycJi6w0Ms=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
-github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d h1:VhgPp6v9qf9Agr/56bj7Y/xa04UccTW04VP0Qed4vnQ=
-github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d/go.mod h1:YUTz3bUH2ZwIWBy3CJBeOBEugqcmXREj14T+iG/4k4U=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=

object/saml_idp.go

@@ -28,10 +28,10 @@ import (
 	"io"
 	"time"
 
-	"github.com/RobotsAndPencils/go-saml"
 	"github.com/beevik/etree"
 	"github.com/golang-jwt/jwt/v4"
 	"github.com/google/uuid"
+	saml "github.com/russellhaering/gosaml2"
 	dsig "github.com/russellhaering/goxmldsig"
 )
 
@@ -283,15 +283,15 @@ func GetSamlResponse(application *Application, user *User, samlRequest string, h
 		}
 	}
 
-	var authnRequest saml.AuthnRequest
+	var authnRequest saml.AuthNRequest
 	err = xml.Unmarshal(buffer.Bytes(), &authnRequest)
 	if err != nil {
 		return "", "", method, fmt.Errorf("err: Failed to unmarshal AuthnRequest, please check the SAML request. %s", err.Error())
 	}
 
 	// verify samlRequest
-	if isValid := application.IsRedirectUriValid(authnRequest.Issuer.Url); !isValid {
-		return "", "", method, fmt.Errorf("err: Issuer URI: %s doesn't exist in the allowed Redirect URI list", authnRequest.Issuer.Url)
+	if isValid := application.IsRedirectUriValid(authnRequest.Issuer); !isValid {
+		return "", "", method, fmt.Errorf("err: Issuer URI: %s doesn't exist in the allowed Redirect URI list", authnRequest.Issuer)
 	}
 
 	// get certificate string
@@ -317,7 +317,7 @@ func GetSamlResponse(application *Application, user *User, samlRequest string, h
 
 	_, originBackend := getOriginFromHost(host)
 	// build signedResponse
-	samlResponse, _ := NewSamlResponse(application, user, originBackend, certificate, authnRequest.AssertionConsumerServiceURL, authnRequest.Issuer.Url, authnRequest.ID, application.RedirectUris)
+	samlResponse, _ := NewSamlResponse(application, user, originBackend, certificate, authnRequest.AssertionConsumerServiceURL, authnRequest.Issuer, authnRequest.ID, application.RedirectUris)
 	randomKeyStore := &X509Key{
 		PrivateKey:      cert.PrivateKey,
 		X509Certificate: certificate,