template <typename Func> static void EnumSceneCollections(Func &&cb)
{
char path[512];
os_glob_t *glob;
int ret = GetConfigPath(path, sizeof(path),
"obs-studio/basic/scenes/*.json");
if (ret <= 0) {
blog(LOG_WARNING, "Failed to get config path for scene "
"collections");
return;
}
if (os_glob(path, 0, &glob) != 0) {
blog(LOG_WARNING, "Failed to glob scene collections");
return;
}
for (size_t i = 0; i < glob->gl_pathc; i++) {
const char *filePath = glob->gl_pathv[i].path;
if (glob->gl_pathv[i].directory)
continue;
BPtr<char> fileData = os_quick_read_utf8_file(filePath);
if (!fileData)
continue;
obs_data_t *data = obs_data_create_from_json(fileData);
std::string name = obs_data_get_string(data, "name");
/* if no name found, use the file name as the name
* (this only happens when switching to the new version) */
if (name.empty()) {
name = strrchr(filePath, '/') + 1;
name.resize(name.size() - 5);
}
obs_data_release(data);
if (!cb(name.c_str(), filePath))
break;
}
os_globfree(glob);
}
static bool confirm_service_file(void *param, struct file_download_data *file)
{
if (astrcmpi(file->name, "services.json") == 0) {
obs_data_t *data;
int format_version;
data = obs_data_create_from_json((char*)file->buffer.array);
if (!data)
return false;
format_version = (int)obs_data_get_int(data, "format_version");
obs_data_release(data);
if (format_version != RTMP_SERVICES_FORMAT_VERSION)
return false;
}
UNUSED_PARAMETER(param);
return true;
}
static bool update_remote_files(void *param, obs_data_t *remote_file)
{
struct update_info *info = param;
struct file_update_data data = {
.name = obs_data_get_string(remote_file, "name"),
.version = (int)obs_data_get_int(remote_file, "version")
};
enum_files(info->cache_package, newer_than_cache, &data);
if (!data.newer && data.found)
return true;
if (!do_relative_http_request(info, info->remote_url, data.name))
return true;
if (info->callback) {
struct file_download_data download_data;
bool confirm;
download_data.name = data.name;
download_data.version = data.version;
download_data.buffer.da = info->file_data.da;
confirm = info->callback(info->param, &download_data);
info->file_data.da = download_data.buffer.da;
if (!confirm) {
info("Update file '%s' (version %d) rejected",
data.name, data.version);
return true;
}
}
write_file_data(info, info->temp, data.name);
replace_file(info->temp, info->cache, data.name);
info("Successfully updated file '%s' (version %d)",
data.name, data.version);
return true;
}
static void update_save_metadata(struct update_info *info)
{
struct dstr path = { 0 };
if (!info->etag_remote)
return;
dstr_copy(&path, info->cache);
dstr_cat(&path, "meta.json");
obs_data_t *data;
data = obs_data_create();
obs_data_set_string(data, "etag", info->etag_remote);
obs_data_save_json(data, path.array);
obs_data_release(data);
}
static void update_remote_version(struct update_info *info, int cur_version)
{
int remote_version;
long response_code;
if (!do_http_request(info, info->url, &response_code))
return;
if (response_code == 304)
return;
if (!info->file_data.array || info->file_data.array[0] != '{') {
warn("Remote package does not exist or is not valid json");
return;
}
update_save_metadata(info);
info->remote_package = obs_data_create_from_json(
(char*)info->file_data.array);
if (!info->remote_package) {
warn("Failed to initialize remote package json");
return;
}
remote_version = (int)obs_data_get_int(info->remote_package, "version");
if (remote_version <= cur_version)
return;
write_file_data(info, info->temp, "package.json");
info->remote_url = obs_data_get_string(info->remote_package, "url");
if (!info->remote_url) {
warn("No remote url in package file");
return;
}
/* download new files */
enum_files(info->remote_package, update_remote_files, info);
replace_file(info->temp, info->cache, "package.json");
info("Successfully updated package (version %d)", remote_version);
return;
}