/* * Copyright (c) 2010 Remko Tronçon * Licensed under the GNU General Public License v3. * See Documentation/Licenses/GPLv3.txt for more information. */ #include <Swiften/Avatars/VCardAvatarManager.h> #include <boost/bind.hpp> #include <Swiften/Elements/VCard.h> #include <Swiften/StringCodecs/SHA1.h> #include <Swiften/StringCodecs/Hexify.h> #include <Swiften/Avatars/AvatarStorage.h> #include <Swiften/MUC/MUCRegistry.h> #include <Swiften/VCards/VCardManager.h> #include <Swiften/Base/Log.h> namespace Swift { VCardAvatarManager::VCardAvatarManager(VCardManager* vcardManager, AvatarStorage* avatarStorage, MUCRegistry* mucRegistry) : vcardManager_(vcardManager), avatarStorage_(avatarStorage), mucRegistry_(mucRegistry) { vcardManager_->onVCardChanged.connect(boost::bind(&VCardAvatarManager::handleVCardChanged, this, _1)); } void VCardAvatarManager::handleVCardChanged(const JID& from) { // We don't check whether the avatar actually changed. Direct use of this // manager could cause unnecessary updates, but in practice, this will be // caught by the wrapping CombinedAvatarManager anyway. onAvatarChanged(from); } std::string VCardAvatarManager::getAvatarHash(const JID& jid) const { JID avatarJID = getAvatarJID(jid); std::string hash = vcardManager_->getPhotoHash(avatarJID); if (!hash.empty()) { if (!avatarStorage_->hasAvatar(hash)) { VCard::ref vCard = vcardManager_->getVCard(avatarJID); if (vCard) { std::string newHash = Hexify::hexify(SHA1::getHash(vCard->getPhoto())); if (newHash != hash) { // Shouldn't happen, but sometimes seem to. Might be fixed if we // move to a safer backend. SWIFT_LOG(warning) << "Inconsistent vCard photo hash cache"; hash = newHash; } avatarStorage_->addAvatar(hash, vCard->getPhoto()); } else { // Can happen if the cache is inconsistent. hash = ""; } } } return hash; } JID VCardAvatarManager::getAvatarJID(const JID& jid) const { JID bareFrom = jid.toBare(); return (mucRegistry_ && mucRegistry_->isMUC(bareFrom)) ? jid : bareFrom; } }