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/*
* Copyright (c) 2010-2019 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/Avatars/VCardUpdateAvatarManager.h>
#include <boost/bind.hpp>
#include <Swiften/Avatars/AvatarStorage.h>
#include <Swiften/Base/Log.h>
#include <Swiften/Client/StanzaChannel.h>
#include <Swiften/Crypto/CryptoProvider.h>
#include <Swiften/Elements/VCardUpdate.h>
#include <Swiften/MUC/MUCRegistry.h>
#include <Swiften/StringCodecs/Hexify.h>
#include <Swiften/VCards/GetVCardRequest.h>
#include <Swiften/VCards/VCardManager.h>
namespace Swift {
VCardUpdateAvatarManager::VCardUpdateAvatarManager(VCardManager* vcardManager, StanzaChannel* stanzaChannel, AvatarStorage* avatarStorage, CryptoProvider* crypto, MUCRegistry* mucRegistry) : vcardManager_(vcardManager), avatarStorage_(avatarStorage), crypto_(crypto), mucRegistry_(mucRegistry) {
stanzaChannel->onPresenceReceived.connect(boost::bind(&VCardUpdateAvatarManager::handlePresenceReceived, this, _1));
stanzaChannel->onAvailableChanged.connect(boost::bind(&VCardUpdateAvatarManager::handleStanzaChannelAvailableChanged, this, _1));
vcardManager_->onVCardChanged.connect(boost::bind(&VCardUpdateAvatarManager::handleVCardChanged, this, _1, _2));
}
void VCardUpdateAvatarManager::handlePresenceReceived(std::shared_ptr<Presence> presence) {
std::shared_ptr<VCardUpdate> update = presence->getPayload<VCardUpdate>();
if (!update || presence->getPayload<ErrorPayload>()) {
return;
}
JID from = getAvatarJID(presence->getFrom());
if (update->getPhotoHash().size() != 40) {
SWIFT_LOG(debug) << "Invalid vCard avatar photo hash length. Must be hex-encoded SHA-1, i.e. 40 characters.";
return;
}
if (getAvatarHash(from) == update->getPhotoHash()) {
return;
}
SWIFT_LOG(debug) << "Updated hash: " << from << " -> " << update->getPhotoHash();
if (avatarStorage_->hasAvatar(update->getPhotoHash())) {
setAvatarHash(from, update->getPhotoHash());
}
else {
vcardManager_->requestVCard(from);
}
}
void VCardUpdateAvatarManager::handleVCardChanged(const JID& from, VCard::ref vCard) {
if (!vCard) {
SWIFT_LOG(debug) << "Missing element: " << from << ": null vcard payload";
return;
}
if (vCard->getPhoto().empty()) {
setAvatarHash(from, "");
}
else {
std::string hash = Hexify::hexify(crypto_->getSHA1Hash(vCard->getPhoto()));
if (!avatarStorage_->hasAvatar(hash)) {
avatarStorage_->addAvatar(hash, vCard->getPhoto());
}
setAvatarHash(from, hash);
}
}
void VCardUpdateAvatarManager::setAvatarHash(const JID& from, const std::string& hash) {
SWIFT_LOG(debug) << "Updating hash: " << from << " -> " << hash;
avatarHashes_[from] = hash;
onAvatarChanged(from);
}
/*
void VCardUpdateAvatarManager::setAvatar(const JID& jid, const ByteArray& avatar) {
std::string hash = Hexify::hexify(SHA1::getHash(avatar));
avatarStorage_->addAvatar(hash, avatar);
setAvatarHash(getAvatarJID(jid), hash);
}
*/
boost::optional<std::string> VCardUpdateAvatarManager::getAvatarHash(const JID& jid) const {
std::map<JID, std::string>::const_iterator i = avatarHashes_.find(getAvatarJID(jid));
if (i != avatarHashes_.end()) {
return i->second;
}
else {
return boost::optional<std::string>();
}
}
JID VCardUpdateAvatarManager::getAvatarJID(const JID& jid) const {
JID bareFrom = jid.toBare();
return (mucRegistry_ && mucRegistry_->isMUC(bareFrom)) ? jid : bareFrom;
}
void VCardUpdateAvatarManager::handleStanzaChannelAvailableChanged(bool available) {
if (available) {
std::map<JID, std::string> oldAvatarHashes;
avatarHashes_.swap(oldAvatarHashes);
for(std::map<JID, std::string>::const_iterator i = oldAvatarHashes.begin(); i != oldAvatarHashes.end(); ++i) {
onAvatarChanged(i->first);
}
}
}
}
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Swift