int
semver_satisfies (semver_t x, semver_t y, const char *op) {
int first, second;
/* Extract the comparison operator */
first = op[0];
second = op[1];
/* Caret operator */
if (first == SYMBOL_CF)
return semver_satisfies_caret(x, y);
/* Tilde operator */
if (first == SYMBOL_TF)
return semver_satisfies_patch(x, y);
/* Strict equality */
if (first == SYMBOL_EQ)
return semver_eq(x, y);
/* Greater than or equal comparison */
if (first == SYMBOL_GT) {
if (second == SYMBOL_EQ) {
return semver_gte(x, y);
}
return semver_gt(x, y);
}
/* Lower than or equal comparison */
if (first == SYMBOL_LT) {
if (second == SYMBOL_EQ) {
return semver_lte(x, y);
}
return semver_lt(x, y);
}
return 0;
}
int downloadCb(){
IupSetFunction("IDLE_ACTION", NULL);
IupLoopStep();
char *cachePath = path_get_nwjs_cache();
char *indexJsonPath = string_concat(2, cachePath, "../index.json");
recursiveMkdir(cachePath, 0755); //Create directories if they don't already exist
indexJsonFile_t versionIndex = {};
if(download(INDEXJSON_URL, indexJsonPath, genericCb) != DOWNLOAD_SUCCESS){
printf("[nwjsmanager][DEBUG] Failed to download version index at URL '%s'. Cached version will be used if available.\n", INDEXJSON_URL);
}
indexJson_file_parse(indexJsonPath, &versionIndex);
if(versionIndex.nwjsVersionCount != 0){
if(update_required(&versionIndex)){
Ihandle *info = IupGetHandle("info");
IupSetStrf(info, "TITLE", "Downloading nwjsmanager update (you are running v%s, but v%d.%d.%d is available).", NWJSMANAGER_VERSION, versionIndex.nwjsmanagerLatestVersion.major, versionIndex.nwjsmanagerLatestVersion.minor, versionIndex.nwjsmanagerLatestVersion.patch);
if(!update_install(&versionIndex, progressCb, _argc, _argv)){
IupMessage(app->name, "Failed to install update!");
return IUP_CLOSE;
}
}
nwjsVersion_t *launchVersion = NULL;
for(int i = 0; i < versionIndex.nwjsVersionCount; i++)
if(packageJson_file_is_nw_version_OK(app, versionIndex.nwjsVersions[i].version) && (!launchVersion || semver_gt(versionIndex.nwjsVersions[i].version, launchVersion->version)))
launchVersion = &versionIndex.nwjsVersions[i];
if(!launchVersion){
IupMessage(app->name, "Error: no nw.js version compatible with the application was found. Please try to reinstall the application, or contact the developer if the problem persists.");
}else{
printf("[nwjsmanager][DEBUG] Downloading nw.js %d.%d.%d\n", launchVersion->version.major, launchVersion->version.minor, launchVersion->version.patch);
char *versionName = malloc(255); //Using 255 as max length (see https://github.com/mojombo/semver/blob/master/semver.md#does-semver-have-a-size-limit-on-the-version-string)
sprintf(versionName, "v%d.%d.%d", launchVersion->version.major, launchVersion->version.minor, launchVersion->version.patch);
nwjsDownload_t *downloads = &launchVersion->defaultDownloads;
char *url;
#ifdef _WIN32
//Actually on Windows only a 32-bit binary is distributed since it will work out-of-the box thanks to Wow64. The IsWow64 function (see win-only/IsWow64.c) is used to detect at runtime if we are on a 64-bit system and properly select the nw.js architecture.
if(IsWow64())
url = downloads->win64;
else
url = downloads->win32;
#else
//On linux, architecture is detected at compile time because two different binaries are distributed (i386 and x86_64)
#ifdef __x86_64__
url = downloads->linux64;
#else
url = downloads->linux32;
#endif
#endif
char *file = string_concat(2, cachePath, "download");
int result = download(url, file, progressCb);
if(result == DOWNLOAD_SUCCESS){
result = extractArchive(file, cachePath);
remove(file);
char *oldName = strrchr(url, '/') + sizeof(char);
char *oldNameEnd = strstr(oldName, ".zip");
if(!oldNameEnd)
oldNameEnd = strstr(oldName, ".tar.gz");
*oldNameEnd = '\0';
char *oldPath = string_concat(2, cachePath, oldName);
*oldNameEnd = '.';
char *newPath = string_concat(2, cachePath, versionName);
rename(oldPath, newPath);
free(oldPath);
#ifndef _WIN32
recursiveChmod(newPath, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IXOTH);
#endif
free(newPath);
globalResult = DOWNLOADERGUI_SUCCESS;
}
free(file);
free(versionName);
}
}else
IupMessage(app->name, "Error: this application requires the nw.js runtime, but a suitable version of the runtime files isn't installed. An attempt was done to download it, but it wasn't possible to retrive the version index.\nPlease check your Internet connection (this is necessary only for the first run of the application). Also, be sure the current user is allowed to write to the nw.js binary cache directory.");
indexJson_file_free(&versionIndex);
free(indexJsonPath);
free(cachePath);
return IUP_CLOSE;
}
