oauth2-proxy/pkg/app/pagewriter/sign_in_page.go

67 lines
2.0 KiB
Go

package pagewriter
import (
"html/template"
"net/http"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/logger"
)
// signInPageWriter is used to render sign-in pages.
type signInPageWriter struct {
// Template is the sign-in page HTML template.
template *template.Template
// errorPageWriter is used to render an error if there are problems with rendering the sign-in page.
errorPageWriter *errorPageWriter
// ProxyPrefix is the prefix under which OAuth2 Proxy pages are served.
proxyPrefix string
// ProviderName is the name of the provider that should be displayed on the login button.
providerName string
// SignInMessage is the messge displayed above the login button.
signInMessage string
// Footer is the footer to be displayed at the bottom of the page.
// If not set, a default footer will be used.
footer string
// Version is the OAuth2 Proxy version to be used in the default footer.
version string
// DisplayLoginForm determines whether or not the basic auth password form is displayed on the sign-in page.
displayLoginForm bool
}
// WriteSignInPage writes the sign-in page to the given response writer.
// It uses the redirectURL to be able to set the final destination for the user post login.
func (s *signInPageWriter) WriteSignInPage(rw http.ResponseWriter, redirectURL string) {
// We allow unescaped template.HTML since it is user configured options
/* #nosec G203 */
t := struct {
ProviderName string
SignInMessage template.HTML
CustomLogin bool
Redirect string
Version string
ProxyPrefix string
Footer template.HTML
}{
ProviderName: s.providerName,
SignInMessage: template.HTML(s.signInMessage),
CustomLogin: s.displayLoginForm,
Redirect: redirectURL,
Version: s.version,
ProxyPrefix: s.proxyPrefix,
Footer: template.HTML(s.footer),
}
err := s.template.Execute(rw, t)
if err != nil {
logger.Printf("Error rendering sign-in template: %v", err)
s.errorPageWriter.WriteErrorPage(rw, http.StatusInternalServerError, redirectURL, err.Error())
}
}