1 files changed, 105 insertions, 0 deletions
diff --git a/Swift/Controllers/Storages/AvatarFileStorage.cpp b/Swift/Controllers/Storages/AvatarFileStorage.cpp
new file mode 100644
index 0000000..b39e586
--- /dev/null
+++ b/Swift/Controllers/Storages/AvatarFileStorage.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2010 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <Swift/Controllers/Storages/AvatarFileStorage.h>
+
+#include <iostream>
+#include <boost/filesystem/fstream.hpp>
+#include <boost/filesystem.hpp>
+
+#include <Swiften/Base/foreach.h>
+#include <Swiften/Base/String.h>
+#include <Swiften/StringCodecs/SHA1.h>
+#include <Swiften/StringCodecs/Hexify.h>
+
+namespace Swift {
+
+AvatarFileStorage::AvatarFileStorage(const boost::filesystem::path& avatarsDir, const boost::filesystem::path& avatarsFile) : avatarsDir(avatarsDir), avatarsFile(avatarsFile) {
+	if (boost::filesystem::exists(avatarsFile)) {
+		try {
+			boost::filesystem::ifstream file(avatarsFile);
+			std::string line;
+			if (file.is_open()) {
+				while (!file.eof()) {
+					getline(file, line);
+					std::pair<std::string, std::string> r = String::getSplittedAtFirst(line, ' ');
+					JID jid(r.second);
+					if (jid.isValid()) {
+						jidAvatars.insert(std::make_pair(jid, r.first));
+					}
+					else if (!r.first.empty() || !r.second.empty()) {
+						std::cerr << "Invalid entry in avatars file: " << r.second << std::endl;
+					}
+				}
+			}
+		}
+		catch (...) {
+			std::cerr << "Error reading avatars file" << std::endl;
+		}
+	}
+}
+
+bool AvatarFileStorage::hasAvatar(const std::string& hash) const { 
+	return boost::filesystem::exists(getAvatarPath(hash));
+}
+
+void AvatarFileStorage::addAvatar(const std::string& hash, const ByteArray& avatar) {
+	assert(Hexify::hexify(SHA1::getHash(avatar)) == hash);
+
+	boost::filesystem::path avatarPath = getAvatarPath(hash);
+	if (!boost::filesystem::exists(avatarPath.parent_path())) {
+		try {
+			boost::filesystem::create_directories(avatarPath.parent_path());
+		}
+		catch (const boost::filesystem::filesystem_error& e) {
+			std::cerr << "ERROR: " << e.what() << std::endl;
+		}
+	}
+	boost::filesystem::ofstream file(avatarPath, boost::filesystem::ofstream::binary|boost::filesystem::ofstream::out);
+	file.write(reinterpret_cast<const char*>(vecptr(avatar)), static_cast<std::streamsize>(avatar.size()));
+	file.close();
+}
+
+boost::filesystem::path AvatarFileStorage::getAvatarPath(const std::string& hash) const {
+	return avatarsDir / hash;
+}
+
+ByteArray AvatarFileStorage::getAvatar(const std::string& hash) const {
+	ByteArray data;
+	readByteArrayFromFile(data, getAvatarPath(hash).string());
+	return data;
+}
+
+void AvatarFileStorage::setAvatarForJID(const JID& jid, const std::string& hash) {
+	std::pair<JIDAvatarMap::iterator, bool> r = jidAvatars.insert(std::make_pair(jid, hash));
+	if (r.second) {
+		saveJIDAvatars();
+	}
+	else if (r.first->second != hash) {
+		r.first->second = hash;
+		saveJIDAvatars();
+	}
+}
+
+std::string AvatarFileStorage::getAvatarForJID(const JID& jid) const {
+	JIDAvatarMap::const_iterator i = jidAvatars.find(jid);
+	return i == jidAvatars.end() ? "" : i->second;
+}
+
+void AvatarFileStorage::saveJIDAvatars() {
+	try {
+		boost::filesystem::ofstream file(avatarsFile);
+		for (JIDAvatarMap::const_iterator i = jidAvatars.begin(); i != jidAvatars.end(); ++i) {
+			file << i->second << " " << i->first.toString() << std::endl;
+		}
+		file.close();
+	}
+	catch (...) {
+		std::cerr << "Error writing avatars file" << std::endl;
+	}
+}
+
+}