de.dominikschadow.duke.encounters.services.SecurityValidationService.java Source code

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Here is the source code for de.dominikschadow.duke.encounters.services.SecurityValidationService.java

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/*
 * Copyright (C) 2016 Dominik Schadow, dominikschadow@gmail.com
 *
 * This file is part of the Application Intrusion Detection project.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.dominikschadow.duke.encounters.services;

import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import javax.validation.constraints.NotNull;

/**
 * Searches for different attack strings with incomplete (and simple!) blacklists. Detects Cross-Site Scripting (XSS)
 * and SQL Injection attacks.
 *
 * @author Dominik Schadow
 */
@Service
public class SecurityValidationService {
    public boolean hasXssPayload(@NotNull String payload) {
        return StringUtils.containsIgnoreCase(payload, "<") || StringUtils.containsIgnoreCase(payload, "javascript")
                || StringUtils.containsIgnoreCase(payload, "onload")
                || StringUtils.containsIgnoreCase(payload, "eval")
                || StringUtils.containsIgnoreCase(payload, "document.cookie");
    }

    public boolean hasSqlIPayload(@NotNull String payload) {
        return StringUtils.containsIgnoreCase(payload, "drop") || StringUtils.containsIgnoreCase(payload, "insert")
                || StringUtils.containsIgnoreCase(payload, "update")
                || StringUtils.containsIgnoreCase(payload, "delete")
                || StringUtils.containsIgnoreCase(payload, "union")
                || StringUtils.containsIgnoreCase(payload, "select")
                || StringUtils.containsIgnoreCase(payload, "exec")
                || StringUtils.containsIgnoreCase(payload, "fetch")
                || StringUtils.containsIgnoreCase(payload, "' or '1'='1")
                || StringUtils.containsIgnoreCase(payload, "' or 1=1");
    }
}