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Delete BanPredictor + RiskManager (#404)

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Both are completely bogus code and is never even imported or used
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Simon Gardling
2025-11-04 01:33:38 -05:00
committed by GitHub
parent 169faf2b70
commit 398c6db4ad
2 changed files with 0 additions and 571 deletions
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394
src/util/BanPredictor.ts
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import { RiskManager, RiskEvent } from './RiskManager'
export interface BanPattern {
name: string
description: string
weight: number // 0-10
detected: boolean
evidence: string[]
}
export interface BanPrediction {
riskScore: number // 0-100
confidence: number // 0-1
likelihood: 'very-low' | 'low' | 'medium' | 'high' | 'critical'
patterns: BanPattern[]
recommendation: string
preventiveActions: string[]
}
export interface HistoricalData {
email: string
timestamp: number
banned: boolean
preBanEvents: RiskEvent[]
accountAge: number // days since first use
totalRuns: number
}
/**
* BanPredictor uses machine-learning-style pattern analysis to predict ban risk.
* Learns from historical data and real-time signals to calculate ban probability.
*/
export class BanPredictor {
private riskManager: RiskManager
private history: HistoricalData[] = []
private patterns: BanPattern[] = []
constructor(riskManager: RiskManager) {
this.riskManager = riskManager
this.initializePatterns()
}
/**
* Analyze current state and predict ban risk
*/
predictBanRisk(accountEmail: string, accountAgeDays: number, totalRuns: number): BanPrediction {
const riskMetrics = this.riskManager.assessRisk()
const recentEvents = this.riskManager.getRecentEvents(60)
// Detect patterns
this.detectPatterns(recentEvents, accountAgeDays, totalRuns)
// Calculate base risk from RiskManager
const baseRisk = riskMetrics.score
// Apply ML-style feature weights
const featureScore = this.calculateFeatureScore(recentEvents, accountAgeDays, totalRuns)
// Pattern detection bonus
const detectedPatterns = this.patterns.filter(p => p.detected)
const patternPenalty = detectedPatterns.reduce((sum, p) => sum + p.weight, 0)
// Historical learning adjustment
const historicalAdjustment = this.getHistoricalAdjustment(accountEmail)
// Final risk score (capped at 100)
const finalScore = Math.min(100, baseRisk + featureScore + patternPenalty + historicalAdjustment)
// Calculate confidence (based on data availability)
const confidence = this.calculateConfidence(recentEvents.length, this.history.length)
// Determine likelihood tier
let likelihood: BanPrediction['likelihood']
if (finalScore < 20) likelihood = 'very-low'
else if (finalScore < 40) likelihood = 'low'
else if (finalScore < 60) likelihood = 'medium'
else if (finalScore < 80) likelihood = 'high'
else likelihood = 'critical'
// Generate recommendations
const recommendation = this.generateRecommendation(finalScore)
const preventiveActions = this.generatePreventiveActions(detectedPatterns)
return {
riskScore: Math.round(finalScore),
confidence: Number(confidence.toFixed(2)),
likelihood,
patterns: detectedPatterns,
recommendation,
preventiveActions
}
}
/**
* Record ban event for learning
*/
recordBan(email: string, accountAgeDays: number, totalRuns: number): void {
const preBanEvents = this.riskManager.getRecentEvents(120)
this.history.push({
email,
timestamp: Date.now(),
banned: true,
preBanEvents,
accountAge: accountAgeDays,
totalRuns
})
// Keep history limited (last 100 bans)
if (this.history.length > 100) {
this.history.shift()
}
}
/**
* Record successful run (no ban) for learning
*/
recordSuccess(email: string, accountAgeDays: number, totalRuns: number): void {
this.history.push({
email,
timestamp: Date.now(),
banned: false,
preBanEvents: [],
accountAge: accountAgeDays,
totalRuns
})
if (this.history.length > 100) {
this.history.shift()
}
}
/**
* Initialize known ban patterns
*/
private initializePatterns(): void {
this.patterns = [
{
name: 'rapid-captcha-sequence',
description: 'Multiple captchas in short timespan',
weight: 8,
detected: false,
evidence: []
},
{
name: 'high-error-rate',
description: 'Excessive errors (>50% in last hour)',
weight: 6,
detected: false,
evidence: []
},
{
name: 'timeout-storm',
description: 'Many consecutive timeouts',
weight: 7,
detected: false,
evidence: []
},
{
name: 'suspicious-timing',
description: 'Activity at unusual hours or too consistent',
weight: 5,
detected: false,
evidence: []
},
{
name: 'new-account-aggressive',
description: 'Aggressive activity on young account',
weight: 9,
detected: false,
evidence: []
},
{
name: 'proxy-flagged',
description: 'Proxy showing signs of blacklisting',
weight: 7,
detected: false,
evidence: []
}
]
}
/**
* Detect patterns in recent events
*/
private detectPatterns(events: RiskEvent[], accountAgeDays: number, totalRuns: number): void {
// Reset detection
for (const p of this.patterns) {
p.detected = false
p.evidence = []
}
const captchaEvents = events.filter(e => e.type === 'captcha')
const errorEvents = events.filter(e => e.type === 'error')
const timeoutEvents = events.filter(e => e.type === 'timeout')
// Pattern 1: Rapid captcha sequence
if (captchaEvents.length >= 3) {
const timeSpan = (events[events.length - 1]?.timestamp || 0) - (events[0]?.timestamp || 0)
if (timeSpan < 1800000) { // 30 min
const p = this.patterns.find(pat => pat.name === 'rapid-captcha-sequence')
if (p) {
p.detected = true
p.evidence.push(`${captchaEvents.length} captchas in ${Math.round(timeSpan / 60000)}min`)
}
}
}
// Pattern 2: High error rate
const errorRate = errorEvents.length / Math.max(1, events.length)
if (errorRate > 0.5) {
const p = this.patterns.find(pat => pat.name === 'high-error-rate')
if (p) {
p.detected = true
p.evidence.push(`Error rate: ${(errorRate * 100).toFixed(1)}%`)
}
}
// Pattern 3: Timeout storm
if (timeoutEvents.length >= 5) {
const p = this.patterns.find(pat => pat.name === 'timeout-storm')
if (p) {
p.detected = true
p.evidence.push(`${timeoutEvents.length} timeouts detected`)
}
}
// Pattern 4: Suspicious timing (all events within same hour)
if (events.length > 5) {
const hours = new Set(events.map(e => new Date(e.timestamp).getHours()))
if (hours.size === 1) {
const p = this.patterns.find(pat => pat.name === 'suspicious-timing')
if (p) {
p.detected = true
p.evidence.push('All activity in same hour of day')
}
}
}
// Pattern 5: New account aggressive
if (accountAgeDays < 7 && totalRuns > 10) {
const p = this.patterns.find(pat => pat.name === 'new-account-aggressive')
if (p) {
p.detected = true
p.evidence.push(`Account ${accountAgeDays} days old with ${totalRuns} runs`)
}
}
// Pattern 6: Proxy flagged (heuristic: many ban hints)
const banHints = events.filter(e => e.type === 'ban_hint')
if (banHints.length >= 2) {
const p = this.patterns.find(pat => pat.name === 'proxy-flagged')
if (p) {
p.detected = true
p.evidence.push(`${banHints.length} ban hints detected`)
}
}
}
/**
* Calculate feature-based risk score (ML-style)
*/
private calculateFeatureScore(events: RiskEvent[], accountAgeDays: number, totalRuns: number): number {
let score = 0
// Feature 1: Event density (events per minute)
const eventDensity = events.length / 60
if (eventDensity > 0.5) score += 10
else if (eventDensity > 0.2) score += 5
// Feature 2: Account age risk
if (accountAgeDays < 3) score += 15
else if (accountAgeDays < 7) score += 10
else if (accountAgeDays < 14) score += 5
// Feature 3: Run frequency risk
const runsPerDay = totalRuns / Math.max(1, accountAgeDays)
if (runsPerDay > 3) score += 12
else if (runsPerDay > 2) score += 6
// Feature 4: Severity distribution
const highSeverityEvents = events.filter(e => e.severity >= 7)
if (highSeverityEvents.length > 3) score += 15
else if (highSeverityEvents.length > 1) score += 8
return score
}
/**
* Learn from historical data
*/
private getHistoricalAdjustment(email: string): number {
const accountHistory = this.history.filter(h => h.email === email)
if (accountHistory.length === 0) return 0
const bannedCount = accountHistory.filter(h => h.banned).length
const banRate = bannedCount / accountHistory.length
// If this account has high ban history, increase risk
if (banRate > 0.3) return 20
if (banRate > 0.1) return 10
// If clean history, slight bonus
if (accountHistory.length > 5 && banRate === 0) return -5
return 0
}
/**
* Calculate prediction confidence
*/
private calculateConfidence(eventCount: number, historyCount: number): number {
let confidence = 0.5
// More events = higher confidence
if (eventCount > 20) confidence += 0.2
else if (eventCount > 10) confidence += 0.1
// More historical data = higher confidence
if (historyCount > 50) confidence += 0.2
else if (historyCount > 20) confidence += 0.1
return Math.min(1.0, confidence)
}
/**
* Generate human-readable recommendation
*/
private generateRecommendation(score: number): string {
if (score < 20) {
return 'Safe to proceed. Risk is minimal.'
} else if (score < 40) {
return 'Low risk detected. Monitor for issues but safe to continue.'
} else if (score < 60) {
return 'Moderate risk. Consider increasing delays and reviewing patterns.'
} else if (score < 80) {
return 'High risk! Strongly recommend pausing automation for 24-48 hours.'
} else {
return 'CRITICAL RISK! Stop all automation immediately. Manual review required.'
}
}
/**
* Generate actionable preventive steps
*/
private generatePreventiveActions(patterns: BanPattern[]): string[] {
const actions: string[] = []
if (patterns.some(p => p.name === 'rapid-captcha-sequence')) {
actions.push('Increase search delays to 3-5 minutes minimum')
actions.push('Enable longer cool-down periods between activities')
}
if (patterns.some(p => p.name === 'high-error-rate')) {
actions.push('Check proxy connectivity and health')
actions.push('Verify User-Agent and fingerprint configuration')
}
if (patterns.some(p => p.name === 'new-account-aggressive')) {
actions.push('Slow down activity on new accounts (max 1 run per day for first week)')
actions.push('Allow account to age naturally before heavy automation')
}
if (patterns.some(p => p.name === 'proxy-flagged')) {
actions.push('Rotate to different proxy immediately')
actions.push('Test proxy manually before resuming')
}
if (patterns.some(p => p.name === 'suspicious-timing')) {
actions.push('Randomize execution times across different hours')
actions.push('Enable humanization.allowedWindows with varied schedules')
}
if (actions.length === 0) {
actions.push('Continue monitoring but no immediate action needed')
}
return actions
}
/**
* Export historical data for analysis
*/
exportHistory(): HistoricalData[] {
return [...this.history]
}
/**
* Import historical data (for persistence)
*/
importHistory(data: HistoricalData[]): void {
this.history = data.slice(-100) // Keep last 100
}
}

177
src/util/RiskManager.ts
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import { AdaptiveThrottler } from './AdaptiveThrottler'
export interface RiskEvent {
type: 'captcha' | 'error' | 'timeout' | 'ban_hint' | 'success'
timestamp: number
severity: number // 0-10, higher = worse
context?: string
}
export interface RiskMetrics {
score: number // 0-100, higher = riskier
level: 'safe' | 'elevated' | 'high' | 'critical'
recommendation: string
delayMultiplier: number
}
/**
* RiskManager monitors account activity patterns and detects early ban signals.
* Integrates with AdaptiveThrottler to dynamically adjust delays based on risk.
*/
export class RiskManager {
private events: RiskEvent[] = []
private readonly maxEvents = 100
private readonly timeWindowMs = 3600000 // 1 hour
private throttler: AdaptiveThrottler
private cooldownUntil: number = 0
constructor(throttler?: AdaptiveThrottler) {
this.throttler = throttler || new AdaptiveThrottler()
}
/**
* Record a risk event (captcha, error, success, etc.)
*/
recordEvent(type: RiskEvent['type'], severity: number, context?: string): void {
const event: RiskEvent = {
type,
timestamp: Date.now(),
severity: Math.max(0, Math.min(10, severity)),
context
}
this.events.push(event)
if (this.events.length > this.maxEvents) {
this.events.shift()
}
// Feed success/error into adaptive throttler
if (type === 'success') {
this.throttler.record(true)
} else if (['error', 'captcha', 'timeout', 'ban_hint'].includes(type)) {
this.throttler.record(false)
}
// Auto cool-down on critical events
if (severity >= 8) {
const coolMs = Math.min(300000, severity * 30000) // max 5min
this.cooldownUntil = Date.now() + coolMs
}
}
/**
* Calculate current risk metrics based on recent events
*/
assessRisk(): RiskMetrics {
const now = Date.now()
const recentEvents = this.events.filter(e => now - e.timestamp < this.timeWindowMs)
if (recentEvents.length === 0) {
return {
score: 0,
level: 'safe',
recommendation: 'Normal operation',
delayMultiplier: 1.0
}
}
// Calculate base risk score (weighted by recency and severity)
let weightedSum = 0
let totalWeight = 0
for (const event of recentEvents) {
const age = now - event.timestamp
const recencyFactor = 1 - (age / this.timeWindowMs) // newer = higher weight
const weight = recencyFactor * (event.severity / 10)
weightedSum += weight * event.severity
totalWeight += weight
}
const baseScore = totalWeight > 0 ? (weightedSum / totalWeight) * 10 : 0
// Penalty for rapid event frequency
const eventRate = recentEvents.length / (this.timeWindowMs / 60000) // events per minute
const frequencyPenalty = Math.min(30, eventRate * 5)
// Bonus penalty for specific patterns
const captchaCount = recentEvents.filter(e => e.type === 'captcha').length
const banHintCount = recentEvents.filter(e => e.type === 'ban_hint').length
const patternPenalty = (captchaCount * 15) + (banHintCount * 25)
const finalScore = Math.min(100, baseScore + frequencyPenalty + patternPenalty)
// Determine risk level
let level: RiskMetrics['level']
let recommendation: string
let delayMultiplier: number
if (finalScore < 20) {
level = 'safe'
recommendation = 'Normal operation'
delayMultiplier = 1.0
} else if (finalScore < 40) {
level = 'elevated'
recommendation = 'Minor issues detected. Increasing delays slightly.'
delayMultiplier = 1.5
} else if (finalScore < 70) {
level = 'high'
recommendation = 'Significant risk detected. Applying heavy throttling.'
delayMultiplier = 2.5
} else {
level = 'critical'
recommendation = 'CRITICAL: High ban risk. Consider stopping or manual review.'
delayMultiplier = 4.0
}
// Apply adaptive throttler multiplier on top
const adaptiveMultiplier = this.throttler.getDelayMultiplier()
delayMultiplier *= adaptiveMultiplier
return {
score: Math.round(finalScore),
level,
recommendation,
delayMultiplier: Number(delayMultiplier.toFixed(2))
}
}
/**
* Check if currently in forced cool-down period
*/
isInCooldown(): boolean {
return Date.now() < this.cooldownUntil
}
/**
* Get remaining cool-down time in milliseconds
*/
getCooldownRemaining(): number {
const remaining = this.cooldownUntil - Date.now()
return Math.max(0, remaining)
}
/**
* Get the adaptive throttler instance for advanced usage
*/
getThrottler(): AdaptiveThrottler {
return this.throttler
}
/**
* Clear all events and reset state (use between accounts)
*/
reset(): void {
this.events = []
this.cooldownUntil = 0
// Keep throttler state across resets for learning
}
/**
* Export events for analytics/logging
*/
getRecentEvents(limitMinutes: number = 60): RiskEvent[] {
const cutoff = Date.now() - (limitMinutes * 60000)
return this.events.filter(e => e.timestamp >= cutoff)
}
}