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update config.ts with variables to implement rateLiiting, apiVersioning and client userAgent

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albert
2025-07-28 23:39:11 +02:00
parent 4a80fb3080
commit 0d301f5c49
1 changed files with 32 additions and 2 deletions
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34
src/config/config.ts
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@ -2,6 +2,11 @@ export interface IConfig {
port: number; port: number;
mongodbUri: string; mongodbUri: string;
nodeEnv: string; nodeEnv: string;
apiVersion: string;
rateLimitWindowMs: number;
rateLimitMaxRequests: number;
requestTimeoutMs: number;
userAgent: string;
} }
class Config implements IConfig { class Config implements IConfig {
@ -10,12 +15,21 @@ class Config implements IConfig {
public readonly port: number; public readonly port: number;
public readonly mongodbUri: string; public readonly mongodbUri: string;
public readonly nodeEnv: string; public readonly nodeEnv: string;
public readonly apiVersion: string;
public readonly rateLimitWindowMs: number;
public readonly rateLimitMaxRequests: number;
public readonly requestTimeoutMs: number;
public readonly userAgent: string;
private constructor() { private constructor() {
this.port = parseInt(process.env.PORT || '4000', 10); this.port = parseInt(process.env.PORT || '3000', 10);
this.mongodbUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/dailytrends'; this.mongodbUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/dailytrends';
this.nodeEnv = process.env.NODE_ENV || 'development'; this.nodeEnv = process.env.NODE_ENV || 'development';
this.apiVersion = process.env.API_VERSION || 'v1';
this.rateLimitWindowMs = parseInt(process.env.RATE_LIMIT_WINDOW_MS || '900000', 10);
this.rateLimitMaxRequests = parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '100', 10);
this.requestTimeoutMs = parseInt(process.env.REQUEST_TIMEOUT_MS || '10000', 10);
this.userAgent = process.env.USER_AGENT || 'DailyTrends-Bot/1.0';
this.validateConfig(); this.validateConfig();
} }
@ -31,6 +45,22 @@ class Config implements IConfig {
if (!this.mongodbUri) { if (!this.mongodbUri) {
throw new Error('MONGODB_URI is required'); throw new Error('MONGODB_URI is required');
} }
if (this.port < 1 || this.port > 65535) {
throw new Error('PORT must be between 1 and 65535');
}
if (this.rateLimitWindowMs < 1000) {
throw new Error('RATE_LIMIT_WINDOW_MS must be at least 1000ms');
}
if (this.rateLimitMaxRequests < 1) {
throw new Error('RATE_LIMIT_MAX_REQUESTS must be at least 1');
}
if (this.requestTimeoutMs < 1000) {
throw new Error('REQUEST_TIMEOUT_MS must be at least 1000ms');
}
} }
public isDevelopment(): boolean { public isDevelopment(): boolean {