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/*    Copyright 2016 MongoDB Inc.
 *
 *    This program is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the GNU Affero General Public License in all respects
 *    for all of the code used other than as permitted herein. If you modify
 *    file(s) with this exception, you may extend this exception to your
 *    version of the file(s), but you are not obligated to do so. If you do not
 *    wish to do so, delete this exception statement from your version. If you
 *    delete this exception statement from all source files in the program,
 *    then also delete it in the license file.
 */

#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault

#include "mongo/platform/basic.h"

#include "mongo/logger/redaction.h"

#include "mongo/base/status.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/bson/mutable/document.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/log.h"

namespace mongo {

std::string redact(const BSONObj& objectToRedact) {
    if (!logger::globalLogDomain()->shouldRedactLogs()) {
        return objectToRedact.toString(false);
    }

    return objectToRedact.toString(true);
}

std::string redact(const std::string& stringToRedact) {
    if (!logger::globalLogDomain()->shouldRedactLogs()) {
        return stringToRedact;
    }

    // Return the default mask.
    return kRedactionDefaultMask;
}

std::string redact(const Status& statusToRedact) {
    if (!logger::globalLogDomain()->shouldRedactLogs()) {
        return statusToRedact.toString();
    }

    // Construct a status representation without the reason()
    StringBuilder sb;
    sb << statusToRedact.codeString();
    if (!statusToRedact.isOK())
        sb << ": " << kRedactionDefaultMask;
    if (statusToRedact.location() != 0)
        sb << " @ " << statusToRedact.location();
    return sb.str();
}

std::string redact(const DBException& exceptionToRedact) {
    if (!logger::globalLogDomain()->shouldRedactLogs()) {
        return exceptionToRedact.toString();
    }

    // Construct an exception representation with the what()
    std::stringstream ss;
    ss << exceptionToRedact.getCode() << " " << kRedactionDefaultMask;
    return ss.str();
}

}  // namespace mongo