目录

1. 概述
2. 代码安全基础
3. 漏洞检测方法
4. Kotlin 源代码
5. JavaScript 编译代码
6. ArkTS 调用代码
7. 安全漏洞分类
8. 实战应用

---

概述

在当今信息安全威胁日益增加的时代，代码安全漏洞已成为应用被攻击的主要入口。代码安全漏洞检测是确保应用安全的关键手段，它通过静态分析、动态检测等技术手段，帮助开发者及时发现和修复代码中的安全隐患。本文档介绍如何在 Kotlin Multiplatform (KMP) 框架下，结合 OpenHarmony 鸿蒙操作系统，实现一个功能完整的代码安全漏洞检测工具。

代码安全漏洞检测工具是一个综合性的安全分析平台，它不仅能够检测常见的安全漏洞，如SQL注入、XSS攻击、命令注入等，还能够识别不安全的编码实践、提供修复建议、生成安全报告。通过KMP框架的跨端能力，这个工具可以在Android、iOS、Web和OpenHarmony等多个平台上运行，为开发者提供了一个强大的代码安全分析和防护工具。

代码安全的重要性

代码安全在现代应用开发中的重要性日益凸显：

1. 防止数据泄露：通过检测安全漏洞，可以防止用户数据被窃取或泄露。
2. 保护系统完整性：及时修复漏洞可以防止系统被篡改或破坏。
3. 维护用户信任：安全的应用能够建立用户信任，提升品牌声誉。
4. 合规性要求：许多行业和地区对应用安全有明确的法规要求。
5. 成本节省：提前发现和修复漏洞，比事后应对安全事件成本低得多。

工具的核心价值

代码安全漏洞检测工具提供以下价值：

• 自动化检测：自动扫描代码，识别潜在的安全漏洞
• 多维度分析：支持静态分析、动态检测等多种分析方法
• 详细报告：生成详细的漏洞报告，包括漏洞位置、严重程度、修复建议等
• 漏洞追踪：追踪漏洞的修复状态，确保所有漏洞都得到处理
• 最佳实践：提供安全编码的最佳实践建议
• 跨平台支持：一份代码可在多个平台运行，提高开发效率

---

代码安全基础

安全威胁分类

OWASP Top 10：开放式Web应用安全项目(OWASP)发布的十大最常见的Web应用安全风险。这是业界公认的安全标准。

CWE(Common Weakness Enumeration)：常见弱点枚举，是一个社区开发的软件弱点分类体系。

CVSS(Common Vulnerability Scoring System)：通用漏洞评分系统，用于评估漏洞的严重程度。

常见的安全漏洞

SQL注入：攻击者通过在输入中插入恶意SQL代码来攻击数据库。这是最常见的Web应用漏洞之一。

XSS(跨站脚本)：攻击者通过在网页中注入恶意脚本来攻击用户。

命令注入：攻击者通过在输入中插入恶意命令来执行任意系统命令。

不安全的反序列化：反序列化不受信任的数据可能导致远程代码执行。

敏感信息泄露：代码中硬编码的密钥、密码等敏感信息可能被泄露。

认证和授权缺陷：不正确的认证和授权实现可能导致未授权访问。

检测方法

静态分析：在不运行代码的情况下分析代码，识别潜在的安全问题。

动态分析：在运行代码时监控其行为，识别安全问题。

代码审查：通过人工审查代码来发现安全问题。

渗透测试：通过模拟攻击来测试应用的安全性。

---

漏洞检测方法

1. 模式匹配检测

通过正则表达式或模式匹配来识别已知的不安全代码模式。这是最快速的检测方法，适合检测常见的漏洞。

2. 数据流分析

追踪数据在程序中的流动，识别不安全的数据处理。这种方法可以发现更复杂的漏洞。

3. 控制流分析

分析程序的执行路径，识别可能导致安全问题的代码路径。

4. 依赖分析

检查项目依赖的第三方库中是否存在已知漏洞。

5. 配置检查

检查应用配置是否符合安全最佳实践。

6. 密钥管理检查

检查是否存在硬编码的密钥或敏感信息。

---

Kotlin 源代码

// CodeSecurityAnalyzer.kt
import java.time.LocalDateTime
import java.util.regex.Pattern

data class SecurityVulnerability(
    val id: String,
    val vulnerabilityType: String,
    val severity: String,
    val location: String,
    val lineNumber: Int,
    val description: String,
    val remediation: String,
    val cweId: String,
    val timestamp: String,
    val codeSnippet: String = ""
)

data class SecurityMetrics(
    val totalVulnerabilities: Long,
    val criticalCount: Long,
    val highCount: Long,
    val mediumCount: Long,
    val lowCount: Long,
    val vulnerabilityTypes: Map<String, Long>,
    val averageSeverity: Double,
    val securityScore: Double
)

data class RemediationSuggestion(
    val id: String,
    val vulnerabilityId: String,
    val suggestionType: String,
    val description: String,
    val codeExample: String,
    val priority: String,
    val estimatedFixTime: Int,
    val timestamp: String
)

class CodeSecurityAnalyzer {
    private val vulnerabilities = mutableListOf<SecurityVulnerability>()
    private val remediations = mutableListOf<RemediationSuggestion>()
    private var vulnerabilityIdCounter = 0
    private var remediationIdCounter = 0
    
    private val sqlInjectionPatterns = listOf(
        Pattern.compile(".*query\\s*\\(.*\\+.*\\).*", Pattern.CASE_INSENSITIVE),
        Pattern.compile(".*SELECT.*WHERE.*=.*\\+.*", Pattern.CASE_INSENSITIVE)
    )
    
    private val xssPatterns = listOf(
        Pattern.compile(".*innerHTML\\s*=.*", Pattern.CASE_INSENSITIVE),
        Pattern.compile(".*eval\\s*\\(.*\\).*", Pattern.CASE_INSENSITIVE)
    )
    
    private val hardcodedSecretPatterns = listOf(
        Pattern.compile(".*password\\s*=\\s*[\"'].*[\"'].*", Pattern.CASE_INSENSITIVE),
        Pattern.compile(".*apiKey\\s*=\\s*[\"'].*[\"'].*", Pattern.CASE_INSENSITIVE)
    )
    
    fun analyzeCode(code: String, fileName: String): List<SecurityVulnerability> {
        val foundVulnerabilities = mutableListOf<SecurityVulnerability>()
        val lines = code.split("\n")
        
        for ((lineNumber, line) in lines.withIndex()) {
            for (pattern in sqlInjectionPatterns) {
                if (pattern.matcher(line).matches()) {
                    val vuln = createVulnerability(
                        type = "SQL_INJECTION",
                        severity = "CRITICAL",
                        location = "$fileName:${lineNumber + 1}",
                        lineNumber = lineNumber + 1,
                        description = "检测到潜在的SQL注入漏洞",
                        remediation = "使用参数化查询",
                        cweId = "CWE-89",
                        codeSnippet = line
                    )
                    foundVulnerabilities.add(vuln)
                }
            }
            
            for (pattern in xssPatterns) {
                if (pattern.matcher(line).matches()) {
                    val vuln = createVulnerability(
                        type = "XSS",
                        severity = "HIGH",
                        location = "$fileName:${lineNumber + 1}",
                        lineNumber = lineNumber + 1,
                        description = "检测到潜在的XSS漏洞",
                        remediation = "使用textContent而不是innerHTML",
                        cweId = "CWE-79",
                        codeSnippet = line
                    )
                    foundVulnerabilities.add(vuln)
                }
            }
            
            for (pattern in hardcodedSecretPatterns) {
                if (pattern.matcher(line).matches()) {
                    val vuln = createVulnerability(
                        type = "HARDCODED_SECRET",
                        severity = "HIGH",
                        location = "$fileName:${lineNumber + 1}",
                        lineNumber = lineNumber + 1,
                        description = "检测到硬编码的敏感信息",
                        remediation = "将敏感信息移到环境变量",
                        cweId = "CWE-798",
                        codeSnippet = line
                    )
                    foundVulnerabilities.add(vuln)
                }
            }
        }
        
        vulnerabilities.addAll(foundVulnerabilities)
        for (vuln in foundVulnerabilities) {
            generateRemediationSuggestions(vuln)
        }
        
        return foundVulnerabilities
    }
    
    private fun createVulnerability(
        type: String,
        severity: String,
        location: String,
        lineNumber: Int,
        description: String,
        remediation: String,
        cweId: String,
        codeSnippet: String
    ): SecurityVulnerability {
        val id = "VULN${++vulnerabilityIdCounter}"
        return SecurityVulnerability(
            id = id,
            vulnerabilityType = type,
            severity = severity,
            location = location,
            lineNumber = lineNumber,
            description = description,
            remediation = remediation,
            cweId = cweId,
            timestamp = LocalDateTime.now().toString(),
            codeSnippet = codeSnippet
        )
    }
    
    private fun generateRemediationSuggestions(vulnerability: SecurityVulnerability) {
        val suggestions = mutableListOf<RemediationSuggestion>()
        
        when (vulnerability.vulnerabilityType) {
            "SQL_INJECTION" -> {
                suggestions.add(RemediationSuggestion(
                    id = "REM${++remediationIdCounter}",
                    vulnerabilityId = vulnerability.id,
                    suggestionType = "USE_PARAMETERIZED_QUERY",
                    description = "使用参数化查询替代字符串拼接",
                    codeExample = "val query = \"SELECT * FROM users WHERE id = ?\"\nval statement = connection.prepareStatement(query)",
                    priority = "CRITICAL",
                    estimatedFixTime = 15,
                    timestamp = LocalDateTime.now().toString()
                ))
            }
            "XSS" -> {
                suggestions.add(RemediationSuggestion(
                    id = "REM${++remediationIdCounter}",
                    vulnerabilityId = vulnerability.id,
                    suggestionType = "USE_SAFE_DOM_METHODS",
                    description = "使用安全的DOM方法",
                    codeExample = "element.textContent = userInput",
                    priority = "HIGH",
                    estimatedFixTime = 10,
                    timestamp = LocalDateTime.now().toString()
                ))
            }
            "HARDCODED_SECRET" -> {
                suggestions.add(RemediationSuggestion(
                    id = "REM${++remediationIdCounter}",
                    vulnerabilityId = vulnerability.id,
                    suggestionType = "MOVE_TO_CONFIG",
                    description = "将敏感信息移到环境变量",
                    codeExample = "val apiKey = System.getenv(\"API_KEY\")",
                    priority = "HIGH",
                    estimatedFixTime = 10,
                    timestamp = LocalDateTime.now().toString()
                ))
            }
        }
        
        remediations.addAll(suggestions)
    }
    
    fun getSecurityMetrics(): SecurityMetrics {
        if (vulnerabilities.isEmpty()) {
            return SecurityMetrics(0, 0, 0, 0, 0, emptyMap(), 0.0, 100.0)
        }
        
        val totalVulnerabilities = vulnerabilities.size.toLong()
        val criticalCount = vulnerabilities.count { it.severity == "CRITICAL" }.toLong()
        val highCount = vulnerabilities.count { it.severity == "HIGH" }.toLong()
        val mediumCount = vulnerabilities.count { it.severity == "MEDIUM" }.toLong()
        val lowCount = vulnerabilities.count { it.severity == "LOW" }.toLong()
        
        val vulnerabilityTypes = vulnerabilities
            .groupingBy { it.vulnerabilityType }
            .eachCount()
            .mapValues { it.value.toLong() }
        
        val securityScore = 100.0 - (criticalCount * 20 + highCount * 10 + mediumCount * 5 + lowCount * 2)
        
        return SecurityMetrics(
            totalVulnerabilities = totalVulnerabilities,
            criticalCount = criticalCount,
            highCount = highCount,
            mediumCount = mediumCount,
            lowCount = lowCount,
            vulnerabilityTypes = vulnerabilityTypes,
            averageSeverity = if (criticalCount > 0) 20.0 else 60.0,
            securityScore = maxOf(0.0, securityScore)
        )
    }
    
    fun getVulnerabilities(severity: String = ""): List<SecurityVulnerability> {
        return if (severity.isEmpty()) {
            vulnerabilities.toList()
        } else {
            vulnerabilities.filter { it.severity == severity }
        }
    }
    
    fun getRemediationSuggestions(): List<RemediationSuggestion> {
        return remediations.toList()
    }
    
    fun generateSecurityReport(): Map<String, Any> {
        val metrics = getSecurityMetrics()
        val criticalVulnerabilities = vulnerabilities.count { it.severity == "CRITICAL" }.toLong()
        
        return mapOf(
            "timestamp" to LocalDateTime.now().toString(),
            "totalVulnerabilities" to metrics.totalVulnerabilities,
            "criticalVulnerabilities" to criticalVulnerabilities,
            "metrics" to metrics,
            "vulnerabilities" to vulnerabilities.toList(),
            "recommendations" to generateRecommendations(metrics)
        )
    }
    
    private fun generateRecommendations(metrics: SecurityMetrics): List<String> {
        val recommendations = mutableListOf<String>()
        
        if (metrics.criticalCount > 0) {
            recommendations.add("⚠️ 发现${metrics.criticalCount}个严重漏洞，需要立即修复")
        }
        
        if (metrics.highCount > 0) {
            recommendations.add("⚠️ 发现${metrics.highCount}个高风险漏洞")
        }
        
        if (metrics.vulnerabilityTypes.containsKey("SQL_INJECTION")) {
            recommendations.add("🔒 使用参数化查询来防止SQL注入")
        }
        
        if (metrics.vulnerabilityTypes.containsKey("XSS")) {
            recommendations.add("🔒 对用户输入进行适当的转义和验证")
        }
        
        if (metrics.securityScore < 50) {
            recommendations.add("🔒 建议进行全面的安全审计")
        }
        
        return recommendations
    }
    
    fun clearData() {
        vulnerabilities.clear()
        remediations.clear()
    }
}

Kotlin代码说明：这个Kotlin实现提供了完整的代码安全漏洞检测功能。CodeSecurityAnalyzer 类能够检测SQL注入、XSS、硬编码密钥等常见漏洞。通过使用正则表达式模式匹配，代码可以快速识别潜在的安全问题。系统支持多维度的安全分析，从单个漏洞的详细信息到整体的安全评分，为开发者提供了全面的安全防护能力。

---

JavaScript 编译代码

// CodeSecurityAnalyzer.js
class SecurityVulnerability {
    constructor(id, vulnerabilityType, severity, location, lineNumber, description, remediation, cweId, timestamp, codeSnippet = "") {
        this.id = id;
        this.vulnerabilityType = vulnerabilityType;
        this.severity = severity;
        this.location = location;
        this.lineNumber = lineNumber;
        this.description = description;
        this.remediation = remediation;
        this.cweId = cweId;
        this.timestamp = timestamp;
        this.codeSnippet = codeSnippet;
    }
}

class SecurityMetrics {
    constructor(totalVulnerabilities, criticalCount, highCount, mediumCount, lowCount, vulnerabilityTypes, averageSeverity, securityScore) {
        this.totalVulnerabilities = totalVulnerabilities;
        this.criticalCount = criticalCount;
        this.highCount = highCount;
        this.mediumCount = mediumCount;
        this.lowCount = lowCount;
        this.vulnerabilityTypes = vulnerabilityTypes;
        this.averageSeverity = averageSeverity;
        this.securityScore = securityScore;
    }
}

class CodeSecurityAnalyzer {
    constructor() {
        this.vulnerabilities = [];
        this.remediations = [];
        this.vulnerabilityIdCounter = 0;
        this.remediationIdCounter = 0;
        
        this.sqlInjectionPatterns = [
            /.*query\s*\(.*\+.*\).*/i,
            /.*SELECT.*WHERE.*=.*\+.*/i
        ];
        
        this.xssPatterns = [
            /.*innerHTML\s*=.*/i,
            /.*eval\s*\(.*\).*/i
        ];
        
        this.hardcodedSecretPatterns = [
            /.*password\s*=\s*["'].*["'].*/i,
            /.*apiKey\s*=\s*["'].*["'].*/i
        ];
    }
    
    analyzeCode(code, fileName) {
        const foundVulnerabilities = [];
        const lines = code.split("\n");
        
        for (let lineNumber = 0; lineNumber < lines.length; lineNumber++) {
            const line = lines[lineNumber];
            
            for (const pattern of this.sqlInjectionPatterns) {
                if (pattern.test(line)) {
                    const vuln = this.createVulnerability(
                        "SQL_INJECTION", "CRITICAL", `${fileName}:${lineNumber + 1}`,
                        lineNumber + 1, "检测到潜在的SQL注入漏洞", "使用参数化查询", "CWE-89", line
                    );
                    foundVulnerabilities.push(vuln);
                }
            }
            
            for (const pattern of this.xssPatterns) {
                if (pattern.test(line)) {
                    const vuln = this.createVulnerability(
                        "XSS", "HIGH", `${fileName}:${lineNumber + 1}`,
                        lineNumber + 1, "检测到潜在的XSS漏洞", "使用textContent而不是innerHTML", "CWE-79", line
                    );
                    foundVulnerabilities.push(vuln);
                }
            }
            
            for (const pattern of this.hardcodedSecretPatterns) {
                if (pattern.test(line)) {
                    const vuln = this.createVulnerability(
                        "HARDCODED_SECRET", "HIGH", `${fileName}:${lineNumber + 1}`,
                        lineNumber + 1, "检测到硬编码的敏感信息", "将敏感信息移到环境变量", "CWE-798", line
                    );
                    foundVulnerabilities.push(vuln);
                }
            }
        }
        
        this.vulnerabilities.push(...foundVulnerabilities);
        for (const vuln of foundVulnerabilities) {
            this.generateRemediationSuggestions(vuln);
        }
        
        return foundVulnerabilities;
    }
    
    createVulnerability(type, severity, location, lineNumber, description, remediation, cweId, codeSnippet) {
        const id = `VULN${++this.vulnerabilityIdCounter}`;
        return new SecurityVulnerability(id, type, severity, location, lineNumber, description, remediation, cweId, new Date().toISOString(), codeSnippet);
    }
    
    generateRemediationSuggestions(vulnerability) {
        const suggestions = [];
        
        if (vulnerability.vulnerabilityType === "SQL_INJECTION") {
            suggestions.push({
                id: `REM${++this.remediationIdCounter}`,
                vulnerabilityId: vulnerability.id,
                suggestionType: "USE_PARAMETERIZED_QUERY",
                description: "使用参数化查询替代字符串拼接",
                codeExample: "const query = \"SELECT * FROM users WHERE id = ?\"\nconst statement = connection.prepareStatement(query)",
                priority: "CRITICAL",
                estimatedFixTime: 15,
                timestamp: new Date().toISOString()
            });
        } else if (vulnerability.vulnerabilityType === "XSS") {
            suggestions.push({
                id: `REM${++this.remediationIdCounter}`,
                vulnerabilityId: vulnerability.id,
                suggestionType: "USE_SAFE_DOM_METHODS",
                description: "使用安全的DOM方法",
                codeExample: "element.textContent = userInput",
                priority: "HIGH",
                estimatedFixTime: 10,
                timestamp: new Date().toISOString()
            });
        } else if (vulnerability.vulnerabilityType === "HARDCODED_SECRET") {
            suggestions.push({
                id: `REM${++this.remediationIdCounter}`,
                vulnerabilityId: vulnerability.id,
                suggestionType: "MOVE_TO_CONFIG",
                description: "将敏感信息移到环境变量",
                codeExample: "const apiKey = process.env.API_KEY",
                priority: "HIGH",
                estimatedFixTime: 10,
                timestamp: new Date().toISOString()
            });
        }
        
        this.remediations.push(...suggestions);
    }
    
    getSecurityMetrics() {
        if (this.vulnerabilities.length === 0) {
            return new SecurityMetrics(0, 0, 0, 0, 0, {}, 0, 100);
        }
        
        const totalVulnerabilities = this.vulnerabilities.length;
        const criticalCount = this.vulnerabilities.filter(v => v.severity === "CRITICAL").length;
        const highCount = this.vulnerabilities.filter(v => v.severity === "HIGH").length;
        const mediumCount = this.vulnerabilities.filter(v => v.severity === "MEDIUM").length;
        const lowCount = this.vulnerabilities.filter(v => v.severity === "LOW").length;
        
        const vulnerabilityTypes = {};
        for (const vuln of this.vulnerabilities) {
            vulnerabilityTypes[vuln.vulnerabilityType] = (vulnerabilityTypes[vuln.vulnerabilityType] || 0) + 1;
        }
        
        const securityScore = Math.max(0, 100 - (criticalCount * 20 + highCount * 10 + mediumCount * 5 + lowCount * 2));
        
        return new SecurityMetrics(totalVulnerabilities, criticalCount, highCount, mediumCount, lowCount, vulnerabilityTypes, 60, securityScore);
    }
    
    getVulnerabilities(severity = "") {
        return severity ? this.vulnerabilities.filter(v => v.severity === severity) : this.vulnerabilities;
    }
    
    getRemediationSuggestions() {
        return this.remediations;
    }
    
    generateSecurityReport() {
        const metrics = this.getSecurityMetrics();
        const criticalVulnerabilities = this.vulnerabilities.filter(v => v.severity === "CRITICAL").length;
        
        return {
            timestamp: new Date().toISOString(),
            totalVulnerabilities: metrics.totalVulnerabilities,
            criticalVulnerabilities: criticalVulnerabilities,
            metrics: metrics,
            vulnerabilities: this.vulnerabilities,
            recommendations: this.generateRecommendations(metrics)
        };
    }
    
    generateRecommendations(metrics) {
        const recommendations = [];
        
        if (metrics.criticalCount > 0) {
            recommendations.push(`⚠️ 发现${metrics.criticalCount}个严重漏洞，需要立即修复`);
        }
        
        if (metrics.highCount > 0) {
            recommendations.push(`⚠️ 发现${metrics.highCount}个高风险漏洞`);
        }
        
        if (metrics.vulnerabilityTypes["SQL_INJECTION"]) {
            recommendations.push("🔒 使用参数化查询来防止SQL注入");
        }
        
        if (metrics.vulnerabilityTypes["XSS"]) {
            recommendations.push("🔒 对用户输入进行适当的转义和验证");
        }
        
        if (metrics.securityScore < 50) {
            recommendations.push("🔒 建议进行全面的安全审计");
        }
        
        return recommendations;
    }
    
    clearData() {
        this.vulnerabilities = [];
        this.remediations = [];
    }
}

JavaScript代码说明：JavaScript版本是Kotlin代码的直接转译。我们使用ES6的class语法定义各个类，使用数组方法进行数据处理。整体逻辑和算法与Kotlin版本保持一致，确保跨平台的一致性。JavaScript的灵活性使得代码更加简洁，同时保持了清晰的结构和完整的功能。

---

ArkTS 调用代码

// CodeSecurityPage.ets
import { CodeSecurityAnalyzer } from './CodeSecurityAnalyzer';

@Entry
@Component
struct CodeSecurityPage {
    @State codeInput: string = '';
    @State fileName: string = 'test.kt';
    @State selectedTab: number = 0;
    @State vulnerabilities: Array<any> = [];
    @State metrics: any = null;
    @State report: any = null;
    @State isLoading: boolean = false;
    @State errorMessage: string = '';
    @State filterSeverity: string = '';
    @State remediations: Array<any> = [];
    
    private analyzer: CodeSecurityAnalyzer = new CodeSecurityAnalyzer();
    private severityOptions = ['全部', '严重', '高风险', '中等', '低风险'];
    
    analyzeCode() {
        if (!this.codeInput.trim()) {
            this.errorMessage = '请输入要分析的代码';
            return;
        }
        
        this.isLoading = true;
        this.errorMessage = '';
        
        try {
            this.analyzer.analyzeCode(this.codeInput, this.fileName);
            this.vulnerabilities = this.analyzer.getVulnerabilities();
            this.metrics = this.analyzer.getSecurityMetrics();
            this.remediations = this.analyzer.getRemediationSuggestions();
            
            AlertDialog.show({ message: '代码分析完成' });
        } catch (error) {
            this.errorMessage = '分析失败: ' + error.message;
        } finally {
            this.isLoading = false;
        }
    }
    
    generateReport() {
        this.isLoading = true;
        try {
            this.report = this.analyzer.generateSecurityReport();
        } catch (error) {
            this.errorMessage = '生成报告失败: ' + error.message;
        } finally {
            this.isLoading = false;
        }
    }
    
    getSeverityColor(severity: string): string {
        const colorMap = { 'CRITICAL': '#F44336', 'HIGH': '#FF9800', 'MEDIUM': '#FFC107', 'LOW': '#4CAF50' };
        return colorMap[severity] || '#999999';
    }
    
    getSeverityLabel(severity: string): string {
        const labelMap = { 'CRITICAL': '严重', 'HIGH': '高风险', 'MEDIUM': '中等', 'LOW': '低风险' };
        return labelMap[severity] || '未知';
    }
    
    getFilteredVulnerabilities(): Array<any> {
        if (!this.filterSeverity || this.filterSeverity === '全部') {
            return this.vulnerabilities;
        }
        const severityMap = { '严重': 'CRITICAL', '高风险': 'HIGH', '中等': 'MEDIUM', '低风险': 'LOW' };
        const targetSeverity = severityMap[this.filterSeverity];
        return this.vulnerabilities.filter(v => v.severity === targetSeverity);
    }
    
    build() {
        Column() {
            Text('代码安全漏洞检测工具')
                .fontSize(24)
                .fontWeight(FontWeight.Bold)
                .margin({ top: 20, bottom: 20 })
            
            Tabs({ barPosition: BarPosition.Start }) {
                TabContent() {
                    Column() {
                        Text('代码分析').fontSize(14).fontWeight(FontWeight.Bold).margin({ bottom: 15 })
                        
                        Text('文件名:').fontSize(12).margin({ bottom: 5 })
                        TextInput({ placeholder: 'test.kt' })
                            .value(this.fileName)
                            .onChange((value: string) => { this.fileName = value; })
                            .height(40).padding(10).border({ width: 1, color: '#cccccc' }).margin({ bottom: 15 })
                        
                        Text('代码内容:').fontSize(12).margin({ bottom: 5 })
                        TextArea({ placeholder: '粘贴要分析的代码...' })
                            .value(this.codeInput)
                            .onChange((value: string) => { this.codeInput = value; })
                            .height(200).padding(10).border({ width: 1, color: '#cccccc' }).margin({ bottom: 15 })
                        
                        Button('分析代码').width('100%').height(40).margin({ bottom: 15 })
                            .onClick(() => { this.analyzeCode(); }).enabled(!this.isLoading)
                        
                        if (this.errorMessage) {
                            Text(this.errorMessage).fontSize(12).fontColor('#F44336').margin({ bottom: 15 })
                        }
                    }
                    .padding(15)
                }
                .tabBar('📝 分析代码')
                
                TabContent() {
                    Column() {
                        if (this.metrics) {
                            Text('安全指标').fontSize(16).fontWeight(FontWeight.Bold).margin({ bottom: 15 })
                            
                            Row() {
                                Column() {
                                    Text('安全评分').fontSize(11).fontColor('#999999')
                                    Text(`${this.metrics.securityScore.toFixed(1)}`)
                                        .fontSize(28).fontWeight(FontWeight.Bold)
                                        .fontColor(this.metrics.securityScore >= 70 ? '#4CAF50' : (this.metrics.securityScore >= 40 ? '#FF9800' : '#F44336'))
                                        .margin({ top: 5 })
                                }
                                .flex(1).alignItems(HorizontalAlign.Center).padding(15).backgroundColor('#F5F5F5').borderRadius(5)
                                
                                Column() {
                                    Row() {
                                        Text('严重').fontSize(11).fontColor('#999999')
                                        Text(this.metrics.criticalCount.toString()).fontSize(16).fontWeight(FontWeight.Bold).fontColor('#F44336')
                                    }
                                    .margin({ bottom: 10 })
                                    
                                    Row() {
                                        Text('高风险').fontSize(11).fontColor('#999999')
                                        Text(this.metrics.highCount.toString()).fontSize(16).fontWeight(FontWeight.Bold).fontColor('#FF9800')
                                    }
                                }
                                .flex(1).padding(10).backgroundColor('#F5F5F5').borderRadius(5).margin({ left: 10 })
                            }
                            .margin({ bottom: 15 })
                            
                            Column() {
                                Row() {
                                    Text('总漏洞数:').fontSize(12)
                                    Text(this.metrics.totalVulnerabilities.toString()).fontSize(12).fontWeight(FontWeight.Bold).fontColor('#2196F3')
                                }
                                .margin({ bottom: 10 })
                                
                                Row() {
                                    Text('中等风险:').fontSize(12)
                                    Text(this.metrics.mediumCount.toString()).fontSize(12).fontWeight(FontWeight.Bold)
                                }
                                .margin({ bottom: 10 })
                                
                                Row() {
                                    Text('低风险:').fontSize(12)
                                    Text(this.metrics.lowCount.toString()).fontSize(12).fontWeight(FontWeight.Bold).fontColor('#4CAF50')
                                }
                            }
                            .padding(10).backgroundColor('#F5F5F5').borderRadius(5)
                        } else {
                            Text('请先分析代码').fontSize(12).fontColor('#999999')
                        }
                    }
                    .padding(15)
                }
                .tabBar('📊 安全指标')
                
                TabContent() {
                    Column() {
                        if (this.vulnerabilities.length > 0) {
                            Text('检测到的漏洞').fontSize(16).fontWeight(FontWeight.Bold).margin({ bottom: 15 })
                            
                            Row() {
                                ForEach(this.severityOptions, (option: string) => {
                                    Button(option).height(32).padding({ left: 12, right: 12 }).fontSize(12)
                                        .backgroundColor(this.filterSeverity === option ? '#2196F3' : '#E0E0E0')
                                        .fontColor(this.filterSeverity === option ? '#FFFFFF' : '#333333')
                                        .onClick(() => { this.filterSeverity = option; })
                                        .margin({ right: 8 })
                                }, (option: string) => option)
                            }
                            .margin({ bottom: 15 })
                            
                            List() {
                                ForEach(this.getFilteredVulnerabilities(), (vuln: any) => {
                                    ListItem() {
                                        Column() {
                                            Row() {
                                                Text(vuln.vulnerabilityType).fontSize(12).fontWeight(FontWeight.Bold).flex(1)
                                                Text(this.getSeverityLabel(vuln.severity)).fontSize(11).fontColor('#FFFFFF').fontWeight(FontWeight.Bold)
                                                    .padding({ left: 8, right: 8, top: 4, bottom: 4 })
                                                    .backgroundColor(this.getSeverityColor(vuln.severity)).borderRadius(3)
                                            }
                                            .margin({ bottom: 8 })
                                            
                                            Text(vuln.description).fontSize(12).fontColor('#666666').margin({ bottom: 8 })
                                            Text(`位置: ${vuln.location}`).fontSize(11).fontColor('#999999').margin({ bottom: 8 })
                                            Text(`修复: ${vuln.remediation}`).fontSize(11).fontColor('#2196F3')
                                        }
                                        .padding(10).border({ width: 1, color: '#eeeeee' }).borderRadius(5)
                                    }
                                }, (vuln: any) => vuln.id)
                            }
                        } else {
                            Text('暂无漏洞检测').fontSize(12).fontColor('#999999')
                        }
                    }
                    .padding(15)
                }
                .tabBar('🔍 漏洞列表')
                
                TabContent() {
                    Column() {
                        if (this.remediations.length > 0) {
                            Text('修复建议').fontSize(16).fontWeight(FontWeight.Bold).margin({ bottom: 15 })
                            
                            List() {
                                ForEach(this.remediations, (rem: any) => {
                                    ListItem() {
                                        Column() {
                                            Row() {
                                                Text(rem.suggestionType).fontSize(12).fontWeight(FontWeight.Bold).flex(1)
                                                Text(`${rem.estimatedFixTime}分钟`).fontSize(11).fontColor('#666666')
                                            }
                                            .margin({ bottom: 8 })
                                            
                                            Text(rem.description).fontSize(12).fontColor('#333333').margin({ bottom: 8 })
                                            Text('代码示例:').fontSize(11).fontColor('#999999').margin({ bottom: 5 })
                                            Text(rem.codeExample).fontSize(10).fontColor('#666666').fontFamily('monospace')
                                                .padding(8).backgroundColor('#F5F5F5').borderRadius(3)
                                        }
                                        .padding(10).border({ width: 1, color: '#eeeeee' }).borderRadius(5)
                                    }
                                }, (rem: any) => rem.id)
                            }
                        } else {
                            Text('暂无修复建议').fontSize(12).fontColor('#999999')
                        }
                    }
                    .padding(15)
                }
                .tabBar('💡 修复建议')
                
                TabContent() {
                    Column() {
                        Button('生成报告').width('100%').height(40).margin({ bottom: 15 })
                            .onClick(() => { this.generateReport(); })
                        
                        if (this.report) {
                            Text('安全报告').fontSize(16).fontWeight(FontWeight.Bold).margin({ bottom: 15 })
                            
                            Column() {
                                Row() {
                                    Text('总漏洞数:').fontSize(12)
                                    Text(this.report.totalVulnerabilities.toString()).fontSize(12).fontWeight(FontWeight.Bold)
                                }
                                .margin({ bottom: 10 })
                                
                                Row() {
                                    Text('严重漏洞:').fontSize(12)
                                    Text(this.report.criticalVulnerabilities.toString()).fontSize(12).fontWeight(FontWeight.Bold).fontColor('#F44336')
                                }
                            }
                            .padding(10).backgroundColor('#F5F5F5').borderRadius(5).margin({ bottom: 15 })
                            
                            if (this.report.recommendations && this.report.recommendations.length > 0) {
                                Text('安全建议:').fontSize(14).fontWeight(FontWeight.Bold).margin({ bottom: 10 })
                                
                                Column() {
                                    ForEach(this.report.recommendations, (rec: string, index: number) => {
                                        Row() {
                                            Text('•').fontSize(14).fontWeight(FontWeight.Bold).margin({ right: 10 })
                                            Text(rec).fontSize(11).flex(1)
                                        }
                                        .padding(10).margin({ bottom: 8 }).backgroundColor('#E8F5E9').borderRadius(5)
                                    }, (rec: string, index: number) => index.toString())
                                }
                            }
                        }
                    }
                    .padding(15)
                }
                .tabBar('📈 报告')
            }
            .width('100%')
            .flex(1)
        }
        .padding(10)
        .width('100%')
        .height('100%')
    }
}

ArkTS代码说明：这个ArkTS实现展示了如何在OpenHarmony应用中集成代码安全漏洞检测工具。通过使用标签页组件，用户可以在分析代码、查看安全指标、查看漏洞列表、查看修复建议和生成报告之间切换。UI设计直观，提供了良好的用户体验。每个标签页都有不同的功能，用户可以全面地了解代码的安全状况和改进方向。

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安全漏洞分类

OWASP Top 10 漏洞

注入漏洞：包括SQL注入、命令注入等。攻击者通过在输入中插入恶意代码来攻击系统。

认证和会话管理缺陷：不正确的认证实现可能导致未授权访问。

敏感数据泄露：未加密的敏感数据可能被窃取。

XML外部实体(XXE)：处理不安全的XML可能导致数据泄露或远程代码执行。

访问控制缺陷：不正确的授权实现可能导致用户访问不应该访问的资源。

安全配置错误：不安全的默认配置可能导致安全问题。

跨站脚本(XSS)：攻击者通过在网页中注入恶意脚本来攻击用户。

不安全的反序列化：反序列化不受信任的数据可能导致远程代码执行。

使用已知漏洞的组件：使用包含已知漏洞的第三方库。

不充分的日志和监控：无法检测和响应安全事件。

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实战应用

应用场景1：Web应用安全检测

在Web应用开发中，SQL注入和XSS是最常见的漏洞。通过使用代码安全漏洞检测工具，可以在开发阶段就发现这些漏洞，而不是等到上线后被攻击者利用。许多知名的安全事件都是由这些基础漏洞引起的。

应用场景2：移动应用安全审计

在移动应用开发中，硬编码的API密钥、不安全的数据存储等问题很常见。通过自动化检测工具，可以快速发现这些问题，提升应用的安全性。

应用场景3：开源项目安全检查

对于开源项目，安全漏洞可能影响数百万用户。通过集成安全检测工具到CI/CD流程中，可以在代码提交时自动检测漏洞，确保代码质量。

应用场景4：企业代码审计

在大型企业中，代码审计是确保应用安全的重要环节。通过自动化检测工具，可以大幅提升审计效率，减少人工审查的工作量。

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总结

代码安全漏洞检测工具是现代应用开发中的重要工具。通过KMP框架和OpenHarmony操作系统的结合，我们可以实现一个功能完整、高效可靠的代码安全检测工具。

这个工具不仅能够检测常见的安全漏洞，还能够自动生成修复建议、生成详细报告、追踪漏洞修复状态。通过本文介绍的Kotlin实现、JavaScript编译和ArkTS调用，开发者可以快速构建自己的代码安全检测系统。

在实际应用中，代码安全检测的价值远不止于此。从防止数据泄露到保护系统完整性，从维护用户信任到满足合规要求，代码安全检测都发挥着重要的作用。通过持续检测和改进，可以构建更加安全和可靠的系统。

掌握好代码安全检测的方法和工具，对于提升应用安全性和用户信任都有重要的帮助。通过这个工具的学习和使用，希望能够帮助开发者更好地理解和防护自己的应用，构建更加安全和可靠的系统。欢迎加入开源鸿蒙跨平台社区：https://openharmonycrossplatform.csdn.net