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Validate environment variables at startup. resolves #101

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This commit is contained in:
ngosang
2021-04-04 18:02:17 +02:00
parent c48d342b9c
commit 8aa7723f45
3 changed files with 33 additions and 8 deletions
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4
src/captcha/index.ts
View File

@@ -30,12 +30,12 @@ export default (): Solver => {
throw Error(`The solver '${method}' is not a valid captcha solving method.`)
} else {
console.error(e)
throw Error(`An error occured loading the solver '${method}'.`)
throw Error(`An error occurred loading the solver '${method}'.`)
}
}
}
log.info(`Using '${method} to solve the captcha.`);
log.info(`Using '${method}' to solve the captcha.`);
return captchaSolvers[method]
}

25
src/index.ts
View File

@@ -2,11 +2,33 @@ import log from './log'
import { createServer, IncomingMessage, ServerResponse } from 'http';
import { RequestContext } from './types'
import Router, { BaseAPICall } from './routes'
import getCaptchaSolver from "./captcha";
const version: string = "v" + require('../package.json').version
const serverPort: number = Number(process.env.PORT) || 8191
const serverHost: string = process.env.HOST || '0.0.0.0'
function validateEnvironmentVariables() {
// ip and port variables are validated by nodejs
if (process.env.LOG_LEVEL && ['error', 'warn', 'info', 'verbose', 'debug'].indexOf(process.env.LOG_LEVEL) == -1) {
log.error(`The environment variable 'LOG_LEVEL' is wrong. Check the documentation.`);
process.exit(1);
}
if (process.env.LOG_HTML && ['true', 'false'].indexOf(process.env.LOG_HTML) == -1) {
log.error(`The environment variable 'LOG_HTML' is wrong. Check the documentation.`);
process.exit(1);
}
if (process.env.HEADLESS && ['true', 'false'].indexOf(process.env.HEADLESS) == -1) {
log.error(`The environment variable 'HEADLESS' is wrong. Check the documentation.`);
process.exit(1);
}
try {
getCaptchaSolver();
} catch (e) {
log.error(`The environment variable 'CAPTCHA_SOLVER' is wrong. ${e.message}`);
process.exit(1);
}
}
function errorResponse(errorMsg: string, res: ServerResponse, startTimestamp: number) {
log.error(errorMsg)
@@ -64,6 +86,9 @@ function validateIncomingRequest(ctx: RequestContext, params: BaseAPICall) {
return true
}
// init
validateEnvironmentVariables();
createServer((req: IncomingMessage, res: ServerResponse) => {
const startTimestamp = Date.now()