/**
* @brief Get a contact's avatar from cache, with a specified profile password.
* @param ownerId Friend ID to load avatar.
* @param password Profile password to decrypt data.
* @return Avatar as QByteArray.
*/
QByteArray Profile::loadAvatarData(const QString& ownerId, const QString& password)
{
QString path = avatarPath(ownerId);
bool encrypted = !password.isEmpty();
// If the encrypted avatar isn't found, try loading the unencrypted one for the same ID
if (!password.isEmpty() && !QFile::exists(path))
{
encrypted = false;
path = avatarPath(ownerId, true);
}
QFile file(path);
if (!file.open(QIODevice::ReadOnly))
{
return {};
}
QByteArray pic = file.readAll();
if (encrypted && !pic.isEmpty())
{
uint8_t salt[TOX_PASS_SALT_LENGTH];
tox_get_salt(reinterpret_cast<uint8_t*>(pic.data()), salt);
auto passkey = core->createPasskey(password, salt);
pic = core->decryptData(pic, *passkey);
}
return pic;
}
/**
* @brief Save an avatar to cache.
* @param pic Picture to save.
* @param ownerId ID of avatar owner.
*/
void Profile::saveAvatar(QByteArray pic, const QString& ownerId)
{
if (!password.isEmpty() && !pic.isEmpty())
{
pic = core->encryptData(pic, passkey);
}
QString path = avatarPath(ownerId);
QDir(Settings::getInstance().getSettingsDirPath()).mkdir("avatars");
if (pic.isEmpty())
{
QFile::remove(path);
}
else
{
QSaveFile file(path);
if (!file.open(QIODevice::WriteOnly))
{
qWarning() << "Tox avatar " << path << " couldn't be saved";
return;
}
file.write(pic);
file.commit();
}
}
/**
* @brief Removes a cached avatar.
* @param ownerId Friend ID whose avater to delete.
*/
void Profile::removeAvatar(const QString& ownerId)
{
QFile::remove(avatarPath(ownerId));
if (ownerId == core->getSelfId().publicKey)
core->setAvatar({});
}
void Profile::removeAvatar(const QString &ownerId)
{
QFile::remove(avatarPath(ownerId));
}
