Auto-commit 2026-04-29 16:31

apps/api/src/services/spamshield/spamshield.config.ts

@@ -0,0 +1,71 @@
+import { z } from 'zod';
+
+// Environment variables for SpamShield
+const envSchema = z.object({
+  HIYA_API_KEY: z.string(),
+  HIYA_API_URL: z.string().default('https://api.hiya.com/v1'),
+  TRUECALLER_API_KEY: z.string().optional(),
+  BERT_MODEL_PATH: z.string().default('./models/spam-classifier'),
+  SPAM_THRESHOLD_AUTO_BLOCK: z.string().transform(Number).default(0.85),
+  SPAM_THRESHOLD_FLAG: z.string().transform(Number).default(0.6),
+  CALL_ANALYSIS_TIMEOUT_MS: z.string().transform(Number).default(200),
+});
+
+export const spamShieldEnv = envSchema.parse({
+  HIYA_API_KEY: process.env.HIYA_API_KEY,
+  HIYA_API_URL: process.env.HIYA_API_URL,
+  TRUECALLER_API_KEY: process.env.TRUECALLER_API_KEY,
+  BERT_MODEL_PATH: process.env.BERT_MODEL_PATH,
+  SPAM_THRESHOLD_AUTO_BLOCK: process.env.SPAM_THRESHOLD_AUTO_BLOCK,
+  SPAM_THRESHOLD_FLAG: process.env.SPAM_THRESHOLD_FLAG,
+  CALL_ANALYSIS_TIMEOUT_MS: process.env.CALL_ANALYSIS_TIMEOUT_MS,
+});
+
+// Spam detection layers
+export enum SpamLayer {
+  NUMBER_REPUTATION = 'number_reputation',
+  CONTENT_CLASSIFICATION = 'content_classification',
+  BEHAVIORAL_ANALYSIS = 'behavioral_analysis',
+  COMMUNITY_INTELLIGENCE = 'community_intelligence',
+}
+
+// Spam decision types
+export enum SpamDecision {
+  ALLOW = 'allow',
+  FLAG = 'flag',
+  BLOCK = 'block',
+  CHALLENGE = 'challenge',
+}
+
+// Confidence levels
+export enum ConfidenceLevel {
+  LOW = 'low',
+  MEDIUM = 'medium',
+  HIGH = 'high',
+  VERY_HIGH = 'very_high',
+}
+
+// Feature flags for spam detection
+export const spamFeatureFlags = {
+  enableNumberReputation: true,
+  enableContentClassification: true,
+  enableBehavioralAnalysis: true,
+  enableCommunityIntelligence: true,
+  enableRealTimeBlocking: true,
+};
+
+// Rate limits for spam analysis
+export const spamRateLimits = {
+  basic: {
+    analysesPerMinute: 10,
+    analysesPerDay: 100,
+  },
+  plus: {
+    analysesPerMinute: 50,
+    analysesPerDay: 1000,
+  },
+  premium: {
+    analysesPerMinute: 200,
+    analysesPerDay: 10000,
+  },
+};