gstreamer/subprojects/gst-plugins-bad/ext/gs/gstgscommon.cpp

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/* GStreamer
* Copyright (C) 2020 Julien Isorce <jisorce@oblong.com>
*
* gstgscommon.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gstgscommon.h"
#include "google/cloud/storage/oauth2/compute_engine_credentials.h"
namespace gcs = google::cloud::storage;
std::unique_ptr<google::cloud::storage::Client> gst_gs_create_client(
const gchar* service_account_email,
const gchar* service_account_credentials,
GError** error) {
if (service_account_email || service_account_credentials) {
google::cloud::StatusOr<std::shared_ptr<gcs::oauth2::Credentials>> creds;
if (service_account_credentials) {
creds = gcs::oauth2::CreateServiceAccountCredentialsFromJsonContents(
service_account_credentials,
{{"https://www.googleapis.com/auth/devstorage.full_control"}},
absl::nullopt);
} else {
// Meant to be used from a container running in the Cloud.
creds =
gcs::oauth2::CreateComputeEngineCredentials(service_account_email);
}
if (!creds) {
if (service_account_email) {
g_set_error(error, GST_RESOURCE_ERROR,
GST_RESOURCE_ERROR_NOT_AUTHORIZED,
"Could not retrieve credentials for the given service "
"account %s (%s)",
service_account_email, creds.status().message().c_str());
} else {
g_set_error(error, GST_RESOURCE_ERROR,
GST_RESOURCE_ERROR_NOT_AUTHORIZED,
"Could not retrieve credentials for the given service "
"account credentials JSON (%s)",
creds.status().message().c_str());
}
return nullptr;
}
gcs::ClientOptions client_options(std::move(creds.value()));
return std::make_unique<gcs::Client>(client_options,
gcs::StrictIdempotencyPolicy());
}
// Default account. This is meant to retrieve the credentials automatically
// using diffrent methods.
google::cloud::StatusOr<gcs::ClientOptions> client_options =
gcs::ClientOptions::CreateDefaultClientOptions();
if (!client_options) {
g_set_error(error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_NOT_AUTHORIZED,
"Could not create default client options (%s)",
client_options.status().message().c_str());
return nullptr;
}
return std::make_unique<gcs::Client>(client_options.value(),
gcs::StrictIdempotencyPolicy());
}
gboolean gst_gs_get_buffer_date(GstBuffer* buffer,
GDateTime* start_date,
gchar** buffer_date_str_ptr) {
gchar* buffer_date_str = NULL;
GstClockTime buffer_timestamp = GST_CLOCK_TIME_NONE;
GTimeSpan buffer_timespan = 0;
if (!buffer || !start_date)
return FALSE;
buffer_timestamp = GST_BUFFER_PTS(buffer);
// GTimeSpan is in micro seconds.
buffer_timespan = GST_TIME_AS_USECONDS(buffer_timestamp);
GDateTime* buffer_date = g_date_time_add(start_date, buffer_timespan);
if (!buffer_date)
return FALSE;
buffer_date_str = g_date_time_format_iso8601(buffer_date);
g_date_time_unref(buffer_date);
if (!buffer_date_str)
return FALSE;
if (buffer_date_str_ptr)
*buffer_date_str_ptr = buffer_date_str;
return TRUE;
}