static void
gdata_freebase_service_class_init (GDataFreebaseServiceClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GDataServiceClass *service_class = GDATA_SERVICE_CLASS (klass);
g_type_class_add_private (klass, sizeof (GDataFreebaseServicePrivate));
gobject_class->set_property = gdata_freebase_service_set_property;
gobject_class->get_property = gdata_freebase_service_get_property;
gobject_class->finalize = gdata_freebase_service_finalize;
service_class->append_query_headers = append_query_headers;
service_class->get_authorization_domains = get_authorization_domains;
/**
* GDataFreebaseService:developer-key:
*
* The developer key your application has registered with the Freebase API. For more information, see the <ulink type="http"
* url="https://developers.google.com/freebase/v1/how-tos/authorizing">online documentation</ulink>.
*
* Since: 0.15.1
* Deprecated: 0.17.7: Google Freebase has been permanently shut down.
*/
g_object_class_install_property (gobject_class, PROP_DEVELOPER_KEY,
g_param_spec_string ("developer-key",
"Developer key", "Your Freebase developer API key.",
NULL,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_DEPRECATED));
}
static void
append_query_headers (GDataService *self, GDataAuthorizationDomain *domain, SoupMessage *message)
{
GDataFreebaseServicePrivate *priv = GDATA_FREEBASE_SERVICE (self)->priv;
const gchar *query;
GString *new_query;
SoupURI *uri;
g_assert (message != NULL);
if (priv->developer_key) {
uri = soup_message_get_uri (message);
query = soup_uri_get_query (uri);
/* Set the key on every request, as per
* https://developers.google.com/freebase/v1/parameters
*/
if (query) {
new_query = g_string_new (query);
g_string_append (new_query, "&key=");
g_string_append_uri_escaped (new_query, priv->developer_key, NULL, FALSE);
soup_uri_set_query (uri, new_query->str);
g_string_free (new_query, TRUE);
}
}
/* Chain up to the parent class */
GDATA_SERVICE_CLASS (gdata_freebase_service_parent_class)->append_query_headers (self, domain, message);
}
static void
gdata_calendar_service_class_init (GDataCalendarServiceClass *klass)
{
GDataServiceClass *service_class = GDATA_SERVICE_CLASS (klass);
service_class->service_name = "cl";
service_class->feed_type = GDATA_TYPE_CALENDAR_FEED;
}
static void
gdata_contacts_service_class_init (GDataContactsServiceClass *klass)
{
GDataServiceClass *service_class = GDATA_SERVICE_CLASS (klass);
service_class->api_version = "3";
service_class->get_authorization_domains = get_authorization_domains;
}
static void
gdata_calendar_service_class_init (GDataCalendarServiceClass *klass)
{
GDataServiceClass *service_class = GDATA_SERVICE_CLASS (klass);
service_class->feed_type = GDATA_TYPE_CALENDAR_FEED;
service_class->parse_error_response = parse_error_response;
service_class->get_authorization_domains = get_authorization_domains;
}
/* The error format used by the Google Tasks API doesn’t seem to be documented
* anywhere, which is a little frustrating. Here’s an example of it:
* {
* "error": {
* "errors": [
* {
* "domain": "usageLimits",
* "reason": "dailyLimitExceededUnreg",
* "message": "Daily Limit for Unauthenticated Use Exceeded.",
* "extendedHelp": "https://code.google.com/apis/console"
* }
* ],
* "code": 403,
* "message": "Daily Limit for Unauthenticated Use Exceeded."
* }
* }
* or:
* {
* "error": {
* "errors": [
* {
* "domain": "global",
* "reason": "authError",
* "message": "Invalid Credentials",
* "locationType": "header",
* "location": "Authorization"
* }
* ],
* "code": 401,
* "message": "Invalid Credentials"
* }
* }
*/
static void
parse_error_response (GDataService *self, GDataOperationType operation_type,
guint status, const gchar *reason_phrase,
const gchar *response_body, gint length, GError **error)
{
JsonParser *parser = NULL; /* owned */
JsonReader *reader = NULL; /* owned */
gint i;
GError *child_error = NULL;
if (response_body == NULL) {
goto parent;
}
if (length == -1) {
length = strlen (response_body);
}
parser = json_parser_new ();
if (!json_parser_load_from_data (parser, response_body, length,
&child_error)) {
goto parent;
}
reader = json_reader_new (json_parser_get_root (parser));
/* Check that the outermost node is an object. */
if (!json_reader_is_object (reader)) {
goto parent;
}
/* Grab the ‘error’ member, then its ‘errors’ member. */
if (!json_reader_read_member (reader, "error") ||
!json_reader_is_object (reader) ||
!json_reader_read_member (reader, "errors") ||
!json_reader_is_array (reader)) {
goto parent;
}
/* Parse each of the errors. Return the first one, and print out any
* others. */
for (i = 0; i < json_reader_count_elements (reader); i++) {
const gchar *domain, *reason, *message, *extended_help;
const gchar *location_type, *location;
/* Parse the error. */
if (!json_reader_read_element (reader, i) ||
!json_reader_is_object (reader)) {
goto parent;
}
json_reader_read_member (reader, "domain");
domain = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "reason");
reason = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "message");
message = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "extendedHelp");
extended_help = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "locationType");
location_type = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "location");
location = json_reader_get_string_value (reader);
json_reader_end_member (reader);
/* End the error element. */
json_reader_end_element (reader);
/* Create an error message, but only for the first error */
if (error == NULL || *error == NULL) {
if (g_strcmp0 (domain, "usageLimits") == 0 &&
g_strcmp0 (reason,
"dailyLimitExceededUnreg") == 0) {
/* Daily Limit for Unauthenticated Use
* Exceeded. */
g_set_error (error, GDATA_SERVICE_ERROR,
GDATA_SERVICE_ERROR_API_QUOTA_EXCEEDED,
_("You have made too many API "
"calls recently. Please wait a "
"few minutes and try again."));
} else if (g_strcmp0 (domain, "global") == 0 &&
(g_strcmp0 (reason, "authError") == 0 ||
g_strcmp0 (reason, "required") == 0)) {
/* Authentication problem */
g_set_error (error, GDATA_SERVICE_ERROR,
GDATA_SERVICE_ERROR_AUTHENTICATION_REQUIRED,
_("You must be authenticated to "
"do this."));
} else {
/* Unknown or validation (protocol) error. Fall
* back to working off the HTTP status code. */
g_warning ("Unknown error code ‘%s’ in domain "
"‘%s’ received with location type "
"‘%s’, location ‘%s’, extended help "
"‘%s’ and message ‘%s’.",
reason, domain, location_type,
location, extended_help, message);
goto parent;
}
} else {
/* For all errors after the first, log the error in the
* terminal. */
g_debug ("Error message received in response: domain "
"‘%s’, reason ‘%s’, extended help ‘%s’, "
"message ‘%s’, location type ‘%s’, location "
"‘%s’.",
domain, reason, extended_help, message,
location_type, location);
}
}
/* End the ‘errors’ and ‘error’ members. */
json_reader_end_element (reader);
json_reader_end_element (reader);
g_clear_object (&reader);
g_clear_object (&parser);
/* Ensure we’ve actually set an error message. */
g_assert (error == NULL || *error != NULL);
return;
parent:
g_clear_object (&reader);
g_clear_object (&parser);
/* Chain up to the parent class */
GDATA_SERVICE_CLASS (gdata_tasks_service_parent_class)->parse_error_response (self, operation_type, status, reason_phrase,
response_body, length, error);
}
