From a5b3f2b6465521feb75074a10724650d5bcc2795 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Oudot?= <clement@oodo.net>
Date: Sun, 12 Apr 2015 13:50:10 +0000
Subject: [PATCH] Request UserInfo endpoint to get Google attributes
 (#LEMONLDAP-807)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/lemonldap/branches/lemonldap-ng_version_1_4-bugfixes@3714 1dbb9719-a921-0410-b57f-c3a383c2c641
---
 .../NG/Portal/AuthGoogleMigration.pm          | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthGoogleMigration.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthGoogleMigration.pm
index 78a714db7..867df8989 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthGoogleMigration.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthGoogleMigration.pm
@@ -51,6 +51,12 @@ sub extractFormInfo {
     my $redirect_uri  = $self->{portal} . "?googlecb=1";
     my $state         = encode_base64url( $self->{urldc} );
 
+    # Ask for profile if googleExportedVars requested
+    my %vars = ( %{ $self->{exportedVars} }, %{ $self->{googleExportedVars} } );
+    if (%vars) {
+        $scope .= " profile";
+    }
+
     my $callback = $self->param("googlecb");
 
     if ($callback) {
@@ -100,6 +106,35 @@ sub extractFormInfo {
             $self->{urldc} = decode_base64url( $self->param("state") );
         }
 
+        if (%vars) {
+
+            # Request UserInfo
+            my $ui_response = $self->ua->get(
+                "https://www.googleapis.com/oauth2/v3/userinfo",
+                "Authorization" => "Bearer $access_token"
+            );
+            my $ui_content = $ui_response->decoded_content;
+
+            my $ui_json;
+            eval { $ui_json = decode_json($ui_content); };
+
+            # Convert OpenID attribute name into OIDC UserInfo field
+            my $convertAttr = {
+                "firstname" => "given_name",
+                "lastname"  => "family_name",
+                "language"  => "locale",
+                "email"     => "email",
+            };
+
+            # Store attributes in session
+            while ( my ( $k, $v ) = each %vars ) {
+                my $attr = $k;
+                $attr =~ s/^!//;
+                my $oidc_attr = $convertAttr->{$v};
+                $self->{sessionInfo}->{$attr} = $ui_json->{$oidc_attr};
+            }
+        }
+
         return PE_OK;
     }
 
-- 
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