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import { Cvss3P1 } from 'ae-cvss-calculator';
import { type ClassValue, clsx } from 'clsx';
import { twMerge } from 'tailwind-merge';
export const cn = (...inputs: ClassValue[]) => twMerge(clsx(inputs));
export const cvssStringToSeverity = (cvssScore: string) => {
try {
const cvssVector = new Cvss3P1(cvssScore);
const score = cvssVector.calculateExactOverallScore();
if (score >= 9.0) {
return 'C';
}
if (score >= 7.0) {
return 'H';
}
if (score >= 4.0) {
return 'M';
}
if (score >= 0.1) {
return 'L';
}
} catch (error) {
console.error('Invalid CVSS vector:', error);
}
return 'I';
};
export const cvssStringToScore = (cvssScore: string) => {
try {
const cvssVector = new Cvss3P1(cvssScore);
return cvssVector.calculateExactOverallScore();
} catch (error) {
console.error('Invalid CVSS vector:', error);
}
return 0;
};
export const cvssStringToCIA = (
field: 'integrity' | 'availability' | 'confidentiality',
cvssVector: string,
) => {
const values: Record<string, number> = {
H: 3,
M: 2,
L: 1,
N: 0,
} as const;
const substrings = {
integrity: 35,
availability: 39,
confidentiality: 43,
} as const;
return values[cvssVector.substring(substrings[field], substrings[field] + 1)];
};
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