forked from italia/spid-go
/
logoutresponse_in.go
65 lines (56 loc) · 1.69 KB
/
logoutresponse_in.go
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package spidsaml
import (
"fmt"
"net/http"
)
// LogoutResponseIn represents an incoming LogoutResponse. You can use this to
// parse the response coming from the Identity Provider after you sent a
// LogoutRequest for a SP-initiated logout. You are not supposed to instantiate
// this directly; use ParseLogoutResponse() instead.
type LogoutResponseIn struct {
inMessage
}
// ParseLogoutResponse parses an http.Request and instantiates a LogoutResponseIn.
func (sp *SP) ParseLogoutResponse(r *http.Request, inResponseTo string) (*LogoutResponseIn, error) {
response := &LogoutResponseIn{}
response.SP = sp
err := response.parse(r, "SAMLResponse")
if err != nil {
return nil, err
}
fmt.Printf("%s\n", response.XML)
err = response.validate(r, inResponseTo)
if err != nil {
return nil, err
}
return response, nil
}
// validate performs validation on this message.
func (logoutres *LogoutResponseIn) validate(r *http.Request, inResponseTo string) error {
err := logoutres.inMessage.matchIncomingIDP()
if err != nil {
return err
}
err = logoutres.validateSignature(r, "SAMLResponse")
if err != nil {
return err
}
if inResponseTo != logoutres.InResponseTo() {
return fmt.Errorf("Invalid InResponseTo: '%s' (expected: '%s')",
logoutres.InResponseTo(), inResponseTo)
}
// As of current SPID spec, Destination might be populated with the entityID
// instead of the ACS URL
destination := logoutres.Destination()
knownDestination := destination == logoutres.SP.EntityID
for sls := range logoutres.SP.SingleLogoutServices {
if sls == destination {
knownDestination = true
break
}
}
if !knownDestination {
return fmt.Errorf("Invalid Destination: '%s'", destination)
}
return nil
}