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/*
* camel-sasl-xoauth2.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <config.h>
#include <glib/gi18n-lib.h>
#include "camel-sasl-xoauth2.h"
#include <libemail-engine/e-mail-session.h>
static CamelServiceAuthType sasl_xoauth2_auth_type = {
N_("OAuth2"),
N_("This option will use an OAuth 2.0 "
"access token to connect to the server"),
"XOAUTH2",
FALSE
};
G_DEFINE_TYPE (CamelSaslXOAuth2, camel_sasl_xoauth2, CAMEL_TYPE_SASL)
static void
sasl_xoauth2_append_request (GByteArray *byte_array,
const gchar *user,
const gchar *access_token)
{
GString *request;
g_return_if_fail (user != NULL);
g_return_if_fail (access_token != NULL);
/* Compared to OAuth 1.0, this step is trivial. */
/* The request is easier to assemble with a GString. */
request = g_string_sized_new (512);
g_string_append (request, "user=");
g_string_append (request, user);
g_string_append_c (request, 1);
g_string_append (request, "auth=Bearer ");
g_string_append (request, access_token);
g_string_append_c (request, 1);
g_string_append_c (request, 1);
/* Copy the GString content to the GByteArray. */
g_byte_array_append (
byte_array, (guint8 *) request->str, request->len);
g_string_free (request, TRUE);
}
static GByteArray *
sasl_xoauth2_challenge_sync (CamelSasl *sasl,
GByteArray *token,
GCancellable *cancellable,
GError **error)
{
GByteArray *byte_array = NULL;
CamelService *service;
CamelSession *session;
CamelSettings *settings;
ESourceRegistry *registry;
ESource *source;
const gchar *uid;
gchar *access_token = NULL;
gboolean success;
service = camel_sasl_get_service (sasl);
session = camel_service_ref_session (service);
settings = camel_service_ref_settings (service);
uid = camel_service_get_uid (service);
registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
source = e_source_registry_ref_source (registry, uid);
g_return_val_if_fail (source != NULL, NULL);
success = e_source_get_oauth2_access_token_sync (
source, cancellable, &access_token, NULL, error);
if (success) {
CamelNetworkSettings *network_settings;
gchar *user;
network_settings = CAMEL_NETWORK_SETTINGS (settings);
user = camel_network_settings_dup_user (network_settings);
byte_array = g_byte_array_new ();
sasl_xoauth2_append_request (byte_array, user, access_token);
g_free (user);
}
g_free (access_token);
g_object_unref (source);
g_object_unref (settings);
g_object_unref (session);
/* IMAP and SMTP services will Base64-encode the request. */
return byte_array;
}
static void
camel_sasl_xoauth2_class_init (CamelSaslXOAuth2Class *class)
{
CamelSaslClass *sasl_class;
sasl_class = CAMEL_SASL_CLASS (class);
sasl_class->auth_type = &sasl_xoauth2_auth_type;
sasl_class->challenge_sync = sasl_xoauth2_challenge_sync;
}
static void
camel_sasl_xoauth2_init (CamelSaslXOAuth2 *sasl)
{
}
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