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/*
 * ModSecurity, http://www.modsecurity.org/
 * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
 *
 * 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
 *
 * If any of the files related to licensing are missing or if you have any
 * other questions related to licensing please contact Trustwave Holdings, Inc.
 * directly using the email address security@modsecurity.org.
 *
 */

#ifdef __cplusplus
#include <stack>
#include <vector>
#include <string>
#include <list>
#include <memory>
#include <utility>
#endif

#ifndef HEADERS_MODSECURITY_RULE_WITH_ACTIONS_H_
#define HEADERS_MODSECURITY_RULE_WITH_ACTIONS_H_

#include "modsecurity/transaction.h"
#include "modsecurity/modsecurity.h"
#include "modsecurity/variable_value.h"
#include "modsecurity/rule.h"

#ifdef __cplusplus

namespace modsecurity {


class RuleWithActions : public Rule {
 public:
    RuleWithActions(
        Actions *a,
        Transformations *t,
        std::unique_ptr<std::string> fileName,
        int lineNumber);

    ~RuleWithActions();

    RuleWithActions(const RuleWithActions& r)
        : Rule(r),
        m_rev(r.m_rev),
        m_ver(r.m_ver),
        m_accuracy(r.m_accuracy),
        m_maturity(r.m_maturity),
        m_ruleId(r.m_ruleId),
        m_chainedRuleChild(r.m_chainedRuleChild),
        m_chainedRuleParent(r.m_chainedRuleParent),
        m_disruptiveAction(r.m_disruptiveAction),
        m_logData(r.m_logData),
        m_msg(r.m_msg),
        m_severity(r.m_severity),
        m_actionsRuntimePos(r.m_actionsRuntimePos),
        m_actionsSetVar(r.m_actionsSetVar),
        m_actionsTag(r.m_actionsTag),
        m_transformations(r.m_transformations),
        m_containsCaptureAction(r.m_containsCaptureAction),
        m_containsMultiMatchAction(r.m_containsMultiMatchAction),
        m_containsStaticBlockAction(r.m_containsStaticBlockAction),
        m_isChained(r.m_isChained)
    { }

    RuleWithActions &operator=(const RuleWithActions& r) {
        Rule::operator = (r);
        m_rev = r.m_rev;
        m_ver = r.m_ver;
        m_accuracy = r.m_accuracy;
        m_maturity = r.m_maturity;
        m_ruleId = r.m_ruleId;
        m_chainedRuleChild = r.m_chainedRuleChild;
        m_chainedRuleParent = r.m_chainedRuleParent;

        m_disruptiveAction = r.m_disruptiveAction;
        m_logData = r.m_logData;
        m_msg = r.m_msg;
        m_severity = r.m_severity;
        m_actionsRuntimePos = r.m_actionsRuntimePos;
        m_actionsSetVar = r.m_actionsSetVar;
        m_actionsTag = r.m_actionsTag;

        m_transformations = r.m_transformations;

        m_containsCaptureAction = r.m_containsCaptureAction;
        m_containsMultiMatchAction = r.m_containsMultiMatchAction;
        m_containsStaticBlockAction = r.m_containsStaticBlockAction;
        m_isChained = r.m_isChained;

        return *this;
    }

    virtual bool evaluate(Transaction *transaction, std::shared_ptr<RuleMessage> ruleMessage) override;

    virtual bool evaluate(Transaction *transaction) override;


    void executeActionsIndependentOfChainedRuleResult(
        Transaction *trasn,
        bool *containsDisruptive,
        std::shared_ptr<RuleMessage> ruleMessage);

    void executeActionsAfterFullMatch(
        Transaction *trasn,
        bool containsDisruptive,
        std::shared_ptr<RuleMessage> ruleMessage);

    void executeAction(Transaction *trans,
        bool containsBlock,
        std::shared_ptr<RuleMessage> ruleMessage,
        actions::Action *a,
        bool context);


    void executeTransformations(
        Transaction *trasn, const std::string &value, TransformationResults &ret);

    inline void executeTransformation(
        actions::transformations::Transformation *a,
        std::shared_ptr<std::string> *value,
        Transaction *trans,
        TransformationResults *ret,
        std::string *path,
        int *nth) const;


    void performLogging(Transaction *trans,
        std::shared_ptr<RuleMessage> ruleMessage,
        bool lastLog = true,
        bool chainedParentNull = false);

    std::vector<actions::Action *> getActionsByName(const std::string& name,
        Transaction *t);
    bool containsTag(const std::string& name, Transaction *t);
    bool containsMsg(const std::string& name, Transaction *t);

    inline bool isChained() const { return m_isChained == true; }
    inline bool hasCaptureAction() const { return m_containsCaptureAction == true; }
    inline void setChained(bool b) { m_isChained = b; }
    inline bool hasDisruptiveAction() const { return m_disruptiveAction != NULL; }
    inline bool hasBlockAction() const { return m_containsStaticBlockAction == true; }
    inline bool hasMultimatch() const { return m_containsMultiMatchAction == true; }

    inline bool hasLogData() const { return m_logData != NULL; }
    std::string logData(Transaction *t);
    inline bool hasMsg() const { return m_msg != NULL; }
    std::string msg(Transaction *t);
    inline bool hasSeverity() const { return m_severity != NULL; }
    int severity() const;

    std::string m_rev;
    std::string m_ver;
    int m_accuracy;
    int m_maturity;


    int64_t m_ruleId;

    std::shared_ptr<RuleWithActions> m_chainedRuleChild;
    RuleWithActions *m_chainedRuleParent;

 private:
    /* actions */
    actions::Action *m_disruptiveAction;
    actions::LogData *m_logData;
    actions::Msg *m_msg;
    actions::Severity *m_severity;
    MatchActions m_actionsRuntimePos;
    SetVars m_actionsSetVar;
    Tags m_actionsTag;

    /* actions > transformations */
    Transformations m_transformations;

    bool m_containsCaptureAction:1;
    bool m_containsMultiMatchAction:1;
    bool m_containsStaticBlockAction:1;
    bool m_isChained:1;
};

}  // namespace modsecurity
#endif


#endif  // HEADERS_MODSECURITY_RULE_WITH_ACTIONS_H_