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| class SecurityScanner {
private snykEnabled: boolean;
private virusTotalEnabled: boolean;
constructor(config: SecurityScannerConfig) {
this.snykEnabled = !!config.snykApiKey;
this.virusTotalEnabled = !!config.virusTotalApiKey;
}
async scan(plugin: Plugin): Promise<SecurityScanResult> {
const result: SecurityScanResult = {
plugin: plugin.name,
version: plugin.version,
threats: 0,
warnings: 0,
passed: true,
details: [],
};
const staticAnalysis = await this.staticAnalysis(plugin);
result.details.push(...staticAnalysis);
if (this.snykEnabled) {
const snykResult = await this.scanWithSnyk(plugin);
result.details.push(...snykResult);
result.threats += snykResult.filter(r => r.severity === 'critical').length;
}
if (this.virusTotalEnabled) {
const vtResult = await this.scanWithVirusTotal(plugin);
result.details.push(...vtResult);
result.threats += vtResult.filter(r => r.positive > 5).length;
}
const permissionCheck = this.checkPermissions(plugin);
result.details.push(...permissionCheck);
if (!plugin.signature) {
result.details.push({
type: 'warning',
severity: 'medium',
message: 'Plugin is not signed',
});
result.warnings++;
}
result.passed = result.threats === 0;
return result;
}
private async staticAnalysis(plugin: Plugin): Promise<ScanDetail[]> {
const details: ScanDetail[] = [];
const dangerousPatterns = [
{ pattern: /eval\s*\(/, severity: 'high', message: 'Uses eval()' },
{ pattern: /child_process\.exec/, severity: 'medium', message: 'Executes shell commands' },
{ pattern: /fs\.readFileSync.*\/etc/, severity: 'critical', message: 'Reads system files' },
{ pattern: /process\.env\./, severity: 'low', message: 'Accesses environment variables' },
];
const sourceFiles = await this.getSourceFiles(plugin);
for (const file of sourceFiles) {
const content = await fs.promises.readFile(file, 'utf-8');
for (const { pattern, severity, message } of dangerousPatterns) {
if (pattern.test(content)) {
details.push({
type: 'warning',
severity,
message: `${message} in ${path.basename(file)}`,
file: path.basename(file),
});
}
}
}
return details;
}
private async scanWithSnyk(plugin: Plugin): Promise<ScanDetail[]> {
const response = await fetch('https://snyk.io/api/v1/test', {
method: 'POST',
headers: {
'Authorization': `token ${this.snykApiKey}`,
'Content-Type': 'application/json',
},
body: JSON.stringify({
target: {
files: [{ path: 'package.json' }],
},
}),
});
const result = await response.json();
return result.issues?.map((issue: any) => ({
type: 'threat',
severity: issue.severity,
message: `Vulnerability: ${issue.title}`,
cve: issue.identifiers?.CVE?.[0],
})) || [];
}
private async scanWithVirusTotal(plugin: Plugin): Promise<ScanDetail[]> {
const hash = await this.calculateHash(plugin);
const response = await fetch(`https://www.virustotal.com/api/v3/files/${hash}`, {
headers: {
'x-apikey': this.virusTotalApiKey,
},
});
const result = await response.json();
if (result.data?.attributes?.last_analysis_stats) {
const stats = result.data.attributes.last_analysis_stats;
if (stats.malicious > 0) {
return [{
type: 'threat',
severity: 'critical',
message: `Detected by ${stats.malicious} antivirus engines`,
positive: stats.malicious,
total: stats.malicious + stats.harmless,
}];
}
}
return [];
}
private checkPermissions(plugin: Plugin): ScanDetail[] {
const details: ScanDetail[] = [];
if (plugin.permissions?.network && !plugin.homepage) {
details.push({
type: 'warning',
severity: 'medium',
message: 'Plugin requests network access but has no homepage',
});
}
if (plugin.permissions?.files?.includes('*')) {
details.push({
type: 'warning',
severity: 'high',
message: 'Plugin requests access to all files',
});
}
return details;
}
}
interface SecurityScanResult {
plugin: string;
version: string;
threats: number;
warnings: number;
passed: boolean;
details: ScanDetail[];
}
interface ScanDetail {
type: 'threat' | 'warning' | 'info';
severity: 'critical' | 'high' | 'medium' | 'low';
message: string;
file?: string;
cve?: string;
positive?: number;
total?: number;
}
|