/* * Copyright (c) 2010 Remko Tronçon * Licensed under the GNU General Public License v3. * See Documentation/Licenses/GPLv3.txt for more information. */ #include <Swiften/Disco/CapsInfoGenerator.h> #include <algorithm> #include <Swiften/Base/foreach.h> #include <Swiften/Elements/DiscoInfo.h> #include <Swiften/Elements/FormField.h> #include <Swiften/StringCodecs/SHA1.h> #include <Swiften/StringCodecs/Base64.h> namespace { bool compareFields(Swift::FormField::ref f1, Swift::FormField::ref f2) { return f1->getName() < f2->getName(); } } namespace Swift { CapsInfoGenerator::CapsInfoGenerator(const std::string& node) : node_(node) { } CapsInfo CapsInfoGenerator::generateCapsInfo(const DiscoInfo& discoInfo) const { std::string serializedCaps; std::vector<DiscoInfo::Identity> identities(discoInfo.getIdentities()); std::sort(identities.begin(), identities.end()); foreach (const DiscoInfo::Identity& identity, identities) { serializedCaps += identity.getCategory() + "/" + identity.getType() + "/" + identity.getLanguage() + "/" + identity.getName() + "<"; } std::vector<std::string> features(discoInfo.getFeatures()); std::sort(features.begin(), features.end()); foreach (const std::string& feature, features) { serializedCaps += feature + "<"; } foreach(Form::ref extension, discoInfo.getExtensions()) { serializedCaps += extension->getFormType() + "<"; std::vector<FormField::ref> fields(extension->getFields()); std::sort(fields.begin(), fields.end(), &compareFields); foreach(FormField::ref field, fields) { if (field->getName() == "FORM_TYPE") { continue; } serializedCaps += field->getName() + "<"; std::vector<std::string> values(field->getRawValues()); std::sort(values.begin(), values.end()); foreach(const std::string& value, values) { serializedCaps += value + "<"; } } } std::string version(Base64::encode(SHA1::getHash(createByteArray(serializedCaps)))); return CapsInfo(node_, version, "sha-1"); } }