[evolution-data-server] Bug 728496 - GOA configured Google calendar not using OAuth2

[Milan Crha <mcrha src gnome org>]

commit 4b14c7ec9c7be1d1c83c4d018d69911f85561a5c
Author: Milan Crha <mcrha redhat com>
Date:   Wed Apr 13 16:01:18 2016 +0200

    Bug 728496 - GOA configured Google calendar not using OAuth2

 modules/google-backend/module-google-backend.c |   78 +++++++++++++++++-------
 1 files changed, 56 insertions(+), 22 deletions(-)
---
diff --git a/modules/google-backend/module-google-backend.c b/modules/google-backend/module-google-backend.c
index 529f519..2e52742 100644
--- a/modules/google-backend/module-google-backend.c
+++ b/modules/google-backend/module-google-backend.c
@@ -154,16 +154,19 @@ host_ends_with (const gchar *host,
 }
 
 static void
-google_backend_mail_update_auth_method (ESource *source)
+google_backend_mail_update_auth_method (ESource *child_source,
+                                       ESource *master_source)
 {
        EOAuth2Support *oauth2_support;
        const gchar *method;
 
-       oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE (source));
+       oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE (child_source));
+       if (!oauth2_support && master_source)
+               oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE 
(master_source));
 
        if (oauth2_support != NULL) {
                method = "XOAUTH2";
-       } else if (google_backend_can_use_google_auth (source)) {
+       } else if (google_backend_can_use_google_auth (child_source)) {
                method = "Google";
        } else {
                method = NULL;
@@ -173,7 +176,7 @@ google_backend_mail_update_auth_method (ESource *source)
                ESourceAuthentication *auth_extension;
                gchar *host;
 
-               auth_extension = e_source_get_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION);
+               auth_extension = e_source_get_extension (child_source, E_SOURCE_EXTENSION_AUTHENTICATION);
                host = e_source_authentication_dup_host (auth_extension);
 
                if (host && (host_ends_with (host, ".gmail.com") || host_ends_with (host, ".googlemail.com")))
@@ -186,41 +189,62 @@ google_backend_mail_update_auth_method (ESource *source)
 }
 
 static void
-google_backend_calendar_update_auth_method (ESource *source)
+google_backend_mail_update_auth_method_cb (ESource *child_source,
+                                          GParamSpec *param,
+                                          EBackend *backend)
+{
+       google_backend_mail_update_auth_method (child_source, e_backend_get_source (backend));
+}
+
+static void
+google_backend_calendar_update_auth_method (ESource *child_source,
+                                           ESource *master_source)
 {
        EOAuth2Support *oauth2_support;
        ESourceAuthentication *auth_extension;
        const gchar *method;
 
-       oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE (source));
+       oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE (child_source));
+       if (!oauth2_support && master_source)
+               oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE 
(master_source));
 
        if (oauth2_support != NULL) {
                method = "OAuth2";
-       } else if (google_backend_can_use_google_auth (source)) {
+       } else if (google_backend_can_use_google_auth (child_source)) {
                method = "Google";
        } else {
                method = "plain/password";
        }
 
-       auth_extension = e_source_get_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION);
+       auth_extension = e_source_get_extension (child_source, E_SOURCE_EXTENSION_AUTHENTICATION);
        e_source_authentication_set_method (auth_extension, method);
 
        g_clear_object (&oauth2_support);
 }
 
 static void
-google_backend_contacts_update_auth_method (ESource *source)
+google_backend_calendar_update_auth_method_cb (ESource *child_source,
+                                              GParamSpec *param,
+                                              EBackend *backend)
+{
+       google_backend_calendar_update_auth_method (child_source, e_backend_get_source (backend));
+}
+
+static void
+google_backend_contacts_update_auth_method (ESource *child_source,
+                                           ESource *master_source)
 {
        EOAuth2Support *oauth2_support;
        ESourceAuthentication *extension;
        const gchar *extension_name;
        const gchar *method;
 
-       oauth2_support = e_server_side_source_ref_oauth2_support (
-               E_SERVER_SIDE_SOURCE (source));
+       oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE (child_source));
+       if (!oauth2_support && master_source)
+               oauth2_support = e_server_side_source_ref_oauth2_support (E_SERVER_SIDE_SOURCE 
(master_source));
 
        extension_name = E_SOURCE_EXTENSION_AUTHENTICATION;
-       extension = e_source_get_extension (source, extension_name);
+       extension = e_source_get_extension (child_source, extension_name);
 
        if (oauth2_support != NULL)
                method = "OAuth2";
@@ -236,6 +260,14 @@ google_backend_contacts_update_auth_method (ESource *source)
 }
 
 static void
+google_backend_contacts_update_auth_method_cb (ESource *child_source,
+                                              GParamSpec *param,
+                                              EBackend *backend)
+{
+       google_backend_contacts_update_auth_method (child_source, e_backend_get_source (backend));
+}
+
+static void
 google_add_uid_to_hashtable (gpointer source,
                             gpointer known_sources)
 {
@@ -363,6 +395,8 @@ google_add_found_source (ECollectionBackend *collection,
                child_webdav = e_source_get_extension (source, E_SOURCE_EXTENSION_WEBDAV_BACKEND);
                resource = e_source_get_extension (source, E_SOURCE_EXTENSION_RESOURCE);
 
+               google_backend_calendar_update_auth_method (source, master_source);
+
                e_source_authentication_set_user (child_auth, e_source_collection_get_identity 
(collection_extension));
                e_source_webdav_set_soup_uri (child_webdav, uri);
                e_source_resource_set_identity (resource, identity);
@@ -456,7 +490,7 @@ google_backend_authenticate_sync (EBackend *backend,
        g_list_foreach (sources, google_add_uid_to_hashtable, known_sources);
        g_list_free_full (sources, g_object_unref);
 
-       google_backend_calendar_update_auth_method (source);
+       google_backend_calendar_update_auth_method (source, NULL);
 
        if (goa_extension) {
                calendar_url = e_source_goa_get_calendar_url (goa_extension);
@@ -803,11 +837,11 @@ google_backend_child_added (ECollectionBackend *backend,
 
                if (e_source_has_extension (child_source, E_SOURCE_EXTENSION_MAIL_ACCOUNT) ||
                    e_source_has_extension (child_source, E_SOURCE_EXTENSION_MAIL_TRANSPORT)) {
-                       google_backend_mail_update_auth_method (child_source);
+                       google_backend_mail_update_auth_method (child_source, collection_source);
                        g_signal_connect (
                                child_source, "notify::oauth2-support",
-                               G_CALLBACK (google_backend_mail_update_auth_method),
-                               NULL);
+                               G_CALLBACK (google_backend_mail_update_auth_method_cb),
+                               backend);
                }
        }
 
@@ -832,11 +866,11 @@ google_backend_child_added (ECollectionBackend *backend,
                        g_free (today);
                }
 
-               google_backend_calendar_update_auth_method (child_source);
+               google_backend_calendar_update_auth_method (child_source, collection_source);
                g_signal_connect (
                        child_source, "notify::oauth2-support",
-                       G_CALLBACK (google_backend_calendar_update_auth_method),
-                       NULL);
+                       G_CALLBACK (google_backend_calendar_update_auth_method_cb),
+                       backend);
        }
 
        /* Keep the contacts authentication method up-to-date.
@@ -846,11 +880,11 @@ google_backend_child_added (ECollectionBackend *backend,
         *     Many-to-one property bindings tend not to work so well. */
        extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
        if (e_source_has_extension (child_source, extension_name)) {
-               google_backend_contacts_update_auth_method (child_source);
+               google_backend_contacts_update_auth_method (child_source, collection_source);
                g_signal_connect (
                        child_source, "notify::oauth2-support",
-                       G_CALLBACK (google_backend_contacts_update_auth_method),
-                       NULL);
+                       G_CALLBACK (google_backend_contacts_update_auth_method_cb),
+                       backend);
 
                if (!e_source_has_extension (collection_source, E_SOURCE_EXTENSION_GOA) &&
                    !e_source_has_extension (collection_source, E_SOURCE_EXTENSION_UOA)) {