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/*
* Copyright (c) 2010-2013 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/Crypto/CryptoProvider.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, CryptoProvider* crypto) : node_(node), crypto_(crypto) {
}
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->getValues());
std::sort(values.begin(), values.end());
foreach(const std::string& value, values) {
serializedCaps += value + "<";
}
}
}
std::string version(Base64::encode(crypto_->getSHA1Hash(createByteArray(serializedCaps))));
return CapsInfo(node_, version, "sha-1");
}
}
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Swift