adrianbonpin
cd72b7a948
- Move web app into apps/web/ - Create packages/shared/ with shared types - Create plugins/decky-vault/ scaffold - Root package.json manages workspaces only
94 lines
2.6 KiB
TypeScript
94 lines
2.6 KiB
TypeScript
export type StrengthLevel = "weak" | "fair" | "good" | "strong" | "excellent"
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export interface PasswordStrength {
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score: number
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level: StrengthLevel
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feedback: string[]
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}
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const COMMON_PATTERNS = [
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"password",
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"123456",
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"12345678",
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"qwerty",
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"abc123",
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"monkey",
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"master",
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"dragon",
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"login",
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"admin",
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"letmein",
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"welcome",
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"shadow",
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"sunshine",
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"trustno1",
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"iloveyou",
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]
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export function checkPasswordStrength(password: string): PasswordStrength {
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if (!password) {
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return { score: 0, level: "weak", feedback: ["Enter a password"] }
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}
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let score = 0
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const feedback: string[] = []
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// Length scoring
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if (password.length >= 10) score += 20
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else feedback.push("Use at least 10 characters")
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if (password.length >= 14) score += 10
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else if (password.length >= 10) feedback.push("Use 14+ characters for extra security")
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if (password.length >= 18) score += 10
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// Character variety
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const hasUpper = /[A-Z]/.test(password)
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const hasLower = /[a-z]/.test(password)
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const hasNumber = /[0-9]/.test(password)
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const hasSpecial = /[^A-Za-z0-9]/.test(password)
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if (hasUpper) score += 15
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else feedback.push("Add an uppercase letter")
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if (hasLower) score += 15
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else feedback.push("Add a lowercase letter")
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if (hasNumber) score += 15
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else feedback.push("Add a number")
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if (hasSpecial) score += 15
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else feedback.push("Add a special character (!@#$%^&*)")
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// Common pattern check
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const lower = password.toLowerCase()
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const isCommon = COMMON_PATTERNS.some((p) => lower.includes(p))
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if (!isCommon) score += 10
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else feedback.push("Avoid common passwords")
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// Repeated characters
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const hasRepeated = /(.)\1{2,}/.test(password)
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if (!hasRepeated) score += 5
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else feedback.push("Avoid repeated characters")
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// Mixed positions (not all numbers at end, not all caps at start)
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const endsWithNumbers = /[0-9]+$/.test(password) && !/[0-9]/.test(password.slice(0, -3))
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const startsWithCaps = /^[A-Z]{3,}/.test(password) && !/[A-Z]/.test(password.slice(3))
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if (!endsWithNumbers && !startsWithCaps) score += 5
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// Determine level
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let level: StrengthLevel
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if (score <= 20) level = "weak"
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else if (score <= 40) level = "fair"
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else if (score <= 60) level = "good"
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else if (score <= 80) level = "strong"
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else level = "excellent"
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// If all checks pass, clear feedback
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if (feedback.length === 0) {
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feedback.push("Great password!")
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}
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return { score, level, feedback }
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}
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