bool LLUpdateDownloader::Implementation::validateDownload(const std::string& filePath)
{
llifstream fileStream(filePath.c_str(), std::ios_base::in | std::ios_base::binary);
if(!fileStream)
{
LL_INFOS("UpdaterService") << "can't open " << filePath << ", invalid" << LL_ENDL;
return false;
}
std::string hash = mDownloadData["hash"].asString();
if (! hash.empty())
{
char digest[33];
LLMD5(fileStream).hex_digest(digest);
if (hash == digest)
{
LL_INFOS("UpdaterService") << "verified hash " << hash
<< " for downloaded " << filePath << LL_ENDL;
return true;
}
else
{
LL_WARNS("UpdaterService") << "download hash mismatch for "
<< filePath << ": expected " << hash
<< " but computed " << digest << LL_ENDL;
return false;
}
}
else
{
LL_INFOS("UpdaterService") << "no hash specified for " << filePath
<< ", unverified" << LL_ENDL;
return true; // No hash check provided.
}
}
bool LLUpdateDownloader::Implementation::validateDownload(void)
{
std::string filePath = mDownloadData["path"].asString();
llifstream fileStream(filePath, std::ios_base::in | std::ios_base::binary);
if(!fileStream) return false;
std::string hash = mDownloadData["hash"].asString();
if(hash.size() != 0) {
LL_INFOS("UpdateDownload") << "checking hash..." << LL_ENDL;
char digest[33];
LLMD5(fileStream).hex_digest(digest);
if(hash != digest) {
LL_WARNS("UpdateDownload") << "download hash mismatch; expeted " << hash <<
" but download is " << digest << LL_ENDL;
}
return hash == digest;
} else {
return true; // No hash check provided.
}
}
