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captcha_aggregator
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unsuccessful(unstable and dirty) proxy solution

This commit is contained in:
leca 2025-04-29 19:53:50 +03:00
parent c257844fa2
commit 991a4f29a6
12 changed files with 866 additions and 52 deletions
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18
db_schema.psql
View File

@ -1,18 +0,0 @@
CREATE TABLE IF NOT EXISTS captchas (
id SERIAL PRIMARY KEY,
proxy_id INTEGER REFERENCES proxies(id),
hash CHAR(32),
solution CHAR(6)
);
CREATE TYPE IF NOT EXISTS protocol_type AS ENUM ('http', 'https');
CREATE TABLE IF NOT EXISTS proxies (
id SERIAL PRIMARY KEY,
proto protocol_type,
claimed BOOLEAN DEFAULT FALSE,
host INET NOT NULL,
port SMALLINT NOT NULL,
username VARCHAR(16),
password VARCHAR(32)
)

3
migrate.sh Normal file
View File

@ -0,0 +1,3 @@
#!/usr/bin/env bash
source .env
DATABASE_URL=postgres://$DBUSER:$DBPASS@$DBHOST:$DBPORT npx node-pg-migrate $*

23
migrations/1745667860234_captchas.js Normal file
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@ -0,0 +1,23 @@
export const shorthands = undefined;
/**
* @param pgm {import('node-pg-migrate').MigrationBuilder}
* @param run {() => void | undefined}
* @returns {Promise<void> | void}
*/
export function up(pgm) {
pgm.createTable('captchas', {
id: 'id',
hash: {type: 'char(32)'},
solution: {type: 'char(6)'}
})
}
/**
* @param pgm {import('node-pg-migrate').MigrationBuilder}
* @param run {() => void | undefined}
* @returns {Promise<void> | void}
*/
export function down(pgm) {
pgm.dropTable('captchas')
}

33
migrations/1745668334604_proxies.js Normal file
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@ -0,0 +1,33 @@
export const shorthands = undefined;
/**
* @param pgm {import('node-pg-migrate').MigrationBuilder}
* @param run {() => void | undefined}
* @returns {Promise<void> | void}
*/
export function up(pgm) {
pgm.createType('protocol_type', ['http', 'https']);
pgm.createTable('proxies', {
id: 'id',
proto: {type: 'protocol_type', notNull: true},
claimed: {type: 'boolean', default: false},
host: {type: 'inet', notNull: true},
port: {type: 'smallint', notNull: true},
username: {type: 'varchar(16)'},
password: {type: 'varchar(32)'}
});
pgm.addColumn('captchas', {proxy_id: {type: 'integer', references: 'proxies(id)'}})
}
/**
* @param pgm {import('node-pg-migrate').MigrationBuilder}
* @param run {() => void | undefined}
* @returns {Promise<void> | void}
*/
export function down(pgm) {
pgm.dropType('protocol_type');
pgm.dropTable('proxies');
pgm.dropColumn('captchas', 'proxy_id');
}

750
package-lock.json generated
View File

@ -12,9 +12,11 @@
"dotenv": "^16.5.0",
"express": "^5.1.0",
"pg": "^8.15.5",
"pug": "^3.0.3"
"pug": "^3.0.3",
"undici": "^7.8.0"
},
"devDependencies": {
"node-pg-migrate": "^7.9.1",
"nodemon": "^3.1.10"
}
},
@ -64,6 +66,24 @@
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}
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"strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
"wrap-ansi": "^8.1.0",
"wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
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@ -89,6 +109,32 @@
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@ -263,6 +309,120 @@
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@ -319,6 +479,21 @@
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@ -377,12 +552,26 @@
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@ -551,6 +767,16 @@
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@ -983,6 +1340,13 @@
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}
},
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@ -992,12 +1356,39 @@
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}
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}
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@ -1353,6 +1744,16 @@
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}
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@ -1477,6 +1878,29 @@
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},
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},
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}
},
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"resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz",
@ -1549,6 +1973,19 @@
"url": "https://github.com/sponsors/ljharb"
}
},
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"dev": true,
"license": "ISC",
"engines": {
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},
"funding": {
"url": "https://github.com/sponsors/isaacs"
}
},
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"version": "2.0.0",
"resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
@ -1580,6 +2017,110 @@
"node": ">= 0.8"
}
},
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"version": "5.1.2",
"resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
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"license": "MIT",
"dependencies": {
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"emoji-regex": "^9.2.2",
"strip-ansi": "^7.0.1"
},
"engines": {
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},
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/string-width-cjs": {
"name": "string-width",
"version": "4.2.3",
"resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
"integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
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},
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}
},
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},
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"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
"integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
"dev": true,
"license": "MIT",
"dependencies": {
"ansi-regex": "^5.0.1"
},
"engines": {
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}
},
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"version": "7.1.0",
"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.1.0.tgz",
"integrity": "sha512-iq6eVVI64nQQTRYq2KtEg2d2uU7LElhTJwsH4YzIHZshxlgZms/wIc4VoDQTlG/IvVIrBKG06CrZnp0qv7hkcQ==",
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"license": "MIT",
"dependencies": {
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},
"engines": {
"node": ">=12"
},
"funding": {
"url": "https://github.com/chalk/strip-ansi?sponsor=1"
}
},
"node_modules/strip-ansi-cjs": {
"name": "strip-ansi",
"version": "6.0.1",
"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
"integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
"dev": true,
"license": "MIT",
"dependencies": {
"ansi-regex": "^5.0.1"
},
"engines": {
"node": ">=8"
}
},
"node_modules/strip-ansi-cjs/node_modules/ansi-regex": {
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
"integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">=8"
}
},
"node_modules/supports-color": {
"version": "5.5.0",
"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@ -1664,6 +2205,15 @@
"dev": true,
"license": "MIT"
},
"node_modules/undici": {
"version": "7.8.0",
"resolved": "https://registry.npmjs.org/undici/-/undici-7.8.0.tgz",
"integrity": "sha512-vFv1GA99b7eKO1HG/4RPu2Is3FBTWBrmzqzO0mz+rLxN3yXkE4mqRcb8g8fHxzX4blEysrNZLqg5RbJLqX5buA==",
"license": "MIT",
"engines": {
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}
},
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"version": "1.0.0",
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@ -1691,6 +2241,22 @@
"node": ">=0.10.0"
}
},
"node_modules/which": {
"version": "2.0.2",
"resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
"integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
"dev": true,
"license": "ISC",
"dependencies": {
"isexe": "^2.0.0"
},
"bin": {
"node-which": "bin/node-which"
},
"engines": {
"node": ">= 8"
}
},
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"version": "7.0.2",
"resolved": "https://registry.npmjs.org/with/-/with-7.0.2.tgz",
@ -1706,6 +2272,104 @@
"node": ">= 10.0.0"
}
},
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"version": "8.1.0",
"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
"integrity": "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==",
"dev": true,
"license": "MIT",
"dependencies": {
"ansi-styles": "^6.1.0",
"string-width": "^5.0.1",
"strip-ansi": "^7.0.1"
},
"engines": {
"node": ">=12"
},
"funding": {
"url": "https://github.com/chalk/wrap-ansi?sponsor=1"
}
},
"node_modules/wrap-ansi-cjs": {
"name": "wrap-ansi",
"version": "7.0.0",
"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
"integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
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"dependencies": {
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"string-width": "^4.1.0",
"strip-ansi": "^6.0.0"
},
"engines": {
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},
"funding": {
"url": "https://github.com/chalk/wrap-ansi?sponsor=1"
}
},
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}
},
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},
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}
},
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"license": "MIT",
"dependencies": {
"emoji-regex": "^8.0.0",
"is-fullwidth-code-point": "^3.0.0",
"strip-ansi": "^6.0.1"
},
"engines": {
"node": ">=8"
}
},
"node_modules/wrap-ansi-cjs/node_modules/strip-ansi": {
"version": "6.0.1",
"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
"integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
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},
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},
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"version": "1.0.2",
"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@ -1720,6 +2384,90 @@
"engines": {
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}
},
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"dev": true,
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"engines": {
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}
},
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"escalade": "^3.1.1",
"get-caller-file": "^2.0.5",
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"y18n": "^5.0.5",
"yargs-parser": "^21.1.1"
},
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},
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},
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}
}
}

7
package.json
View File

@ -11,15 +11,18 @@
"type": "module",
"main": "src/index.js",
"scripts": {
"start": "node src/index.js"
"start": "node src/index.js",
"migrate": "bash migrate.sh"
},
"dependencies": {
"dotenv": "^16.5.0",
"express": "^5.1.0",
"pg": "^8.15.5",
"pug": "^3.0.3"
"pug": "^3.0.3",
"undici": "^7.8.0"
},
"devDependencies": {
"node-pg-migrate": "^7.9.1",
"nodemon": "^3.1.10"
}
}

4
public/js/index.js
View File

@ -1,5 +1,9 @@
window.onload = async () => {
let id = (await (await fetch("/api/captcha", {method: "POST"})).json()).id
if (id == undefined) {
alert("Service is unavailable now. Please, try again later.");
return;
}
console.log(id);
fetch(`/api/captcha/${id}`).then(response => response.blob())
.then(blob => {

23
src/controllers/captcha.js
View File

@ -7,11 +7,15 @@ class CaptchaController {
async new(req, res) {
try {
const proxy = await ProxyService.take();
console.log("Using proxy: " + JSON.stringify(proxy));
if (proxy == undefined) {
return res.status(503).send({"message":"No active proxy. please, try again later"});
}
const id = await CaptchaService.new(proxy);
return res.status(200).send({"id": id});
} catch (e) {
console.log(e)
console.log(e);
return res.status(500).send({"message": "Unknown server error"});
}
}
@ -19,11 +23,12 @@ class CaptchaController {
async get(req, res) {
try {
const id = req.params.id;
const hash = await CaptchaService.get(id);
if (hash == undefined) {
if (id == undefined || parseInt(id) == NaN) {
return res.status(404).send({"message": "captcha not found"});
}
const hash = await CaptchaService.get(id);
const image = await fs.readFile(`${config.data_dir}/${hash}.jpeg`);
return res.status(200).send(image)
@ -40,17 +45,17 @@ class CaptchaController {
if (solution == undefined || solution.length != 6) {
return res.status(400).send({"message": 'please, send a valid solution. Example: {"solution":"123456"}'});
}
if (!await CaptchaService.check_and_save_solution(id, solution))
let proxy = await CaptchaService.get_assigned_proxy(id);
if (!await CaptchaService.check_and_save_solution(id, solution, proxy))
return res.status(409).send({"message": "Solution is not correct"});
let proxy_id = await CaptchaService.get_assigned_proxy(id);
await ProxyService.give_back(id);
await ProxyService.give_back(proxy.id);
return res.status(200).send({"message": "Successful"});
} catch (e) {
console.log(e)
return res.status(500).send({"message": "Unknown server error"});
}
}
}
}

6
src/controllers/proxy.js
View File

@ -3,10 +3,10 @@ import ProxyService from '../services/proxy.js';
class CaptchaController {
async add(req, res) {
try {
const { host, port, user: username, password } = req.body;
if (!host || !port) return res.status(400).send({"message":"You must specify host and port!"});
const { proto, host, port, username, password } = req.body;
if (!proto || !host || !port) return res.status(400).send({"message":"You must specify proto, host and port!"});
const id = await ProxyService.add(host, port, username, password);
const id = await ProxyService.add(proto, host, port, username, password);
return res.status(200).send({"id": id});
} catch (e) {

3
src/db.js
View File

@ -15,7 +15,4 @@ const pool = new Pool({
port: config.dbport
});
pool.query(fs.readFileSync('./db_schema.psql').toString());
export default pool;

21
src/services/captcha.js
View File

@ -8,14 +8,9 @@ import { createHash } from 'crypto';
class CaptchaService {
async new(proxy) {
try {
let dispatcher;
if (proxy.username) {
dispatcher = new ProxyAgent(`${proxy.proto}://${proxy.username}:${proxy.password}@${proxy.host}:${proxy.port}`)
} else {
dispatcher = new ProxyAgent(`${proxy.proto}://${proxy.host}:${proxy.port}`)
}
let dispatcher = new ProxyAgent(`${proxy.proto}://${proxy.username? proxy.username + "@" + proxy.password + ":" : ""}${proxy.host}:${proxy.port}`);
const captcha = await (await fetch(config.captcha_source_url, dispatcher)).blob();
const captcha = await (await fetch(config.captcha_source_url, {dispatcher})).blob();
const buffer = Buffer.from(await captcha.arrayBuffer());
const hash = createHash('md5').update(buffer).digest('hex');
await fs.writeFile(`${config.data_dir}/${hash}.jpeg`, buffer);
@ -28,7 +23,8 @@ class CaptchaService {
}
}
async check_solution(solution) {
async check_solution(solution, proxy) {
let dispatcher = new ProxyAgent(`${proxy.proto}://${proxy.username? proxy.username + "@" + proxy.password + ":" : ""}${proxy.host}:${proxy.port}`);
const body = {
"TotalSum": "78278",
"FnNumber": "9960440301173139",
@ -42,6 +38,7 @@ class CaptchaService {
"headers": {
"Content-Type": "application/json;charset=utf-8"
},
dispatcher,
"body": JSON.stringify(body),
"method": "POST",
});
@ -51,13 +48,13 @@ class CaptchaService {
async get (id) {
let result = await db.query("SELECT hash FROM captchas WHERE id = $1", [id])
if (result.rows[0] == undefined) {
return undefined
return undefined;
}
return result.rows[0].hash;
}
async check_and_save_solution (id, solution) {
if (!await this.check_solution(solution)) {
async check_and_save_solution (id, solution, proxy) {
if (!await this.check_solution(solution, proxy)) {
return false;
}
@ -66,7 +63,7 @@ class CaptchaService {
}
async get_assigned_proxy(id) {
return (await db.query("SELECT proxy_id FROM captchas WHERE id = $1", [id])).rows[0].proxy_id;
return (await db.query("select proxies.id, proto, host, port, username, password from proxies JOIN captchas on proxy_id = proxies.id WHERE captchas.id = $1", [id])).rows[0];
}
}

27
src/services/proxy.js
View File

@ -1,4 +1,5 @@
import db from '../db.js';
import { ProxyAgent } from 'undici';
class ProxyService {
async add(proto, host, port, username, password) {
@ -6,17 +7,35 @@ class ProxyService {
}
async take() {
let proxy = (await db.query("UPDATE proxies SET claimed = TRUE WHERE id = ( SELECT id FROM proxies WHERE claimed = FALSE ORDER BY id LIMIT 1 ) RETURNING proto, host, port, username, password")).rows[0]
if (proxy == undefined) return undefined;
return proxy;
// while (true) {
let proxy = (await db.query("UPDATE proxies SET claimed = TRUE WHERE id = ( SELECT id FROM proxies WHERE claimed = FALSE ORDER BY id LIMIT 1 ) RETURNING id, proto, host, port, username, password")).rows[0]
return proxy == undefined? undefined : proxy;
// console.log("testing proxy")
// if (await this.check_connection(proxy)) return proxy;
// else await this.delete(proxy.id)
// console.log("Proxy failed and deleted")
// }
}
// async check_connection(proxy) {
// const dispatcher = new ProxyAgent(`${proxy.proto}://${proxy.username? proxy.username + "@" + proxy.password + ":" : ""}${proxy.host}:${proxy.port}`);
// let response;
// try {
// response = await fetch("https://google.com", {dispatcher})
// } catch (e) {
// console.log(`Error on testing the proxy`)
// return false
// }
// return response.status == 200;
// }
async give_back(id) {
await db.query("UPDATE proxies SET claimed = false WHERE id = $1", [id]);
}
async delete(id) {
await db.query("DELETE FRM proxies WHERE id = $1", [id]);
await db.query("DELETE FROM proxies WHERE id = $1", [id]);
}
}