diff --git a/db_schema.psql b/db_schema.psql deleted file mode 100644 index a4a6058..0000000 --- a/db_schema.psql +++ /dev/null @@ -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) -) \ No newline at end of file diff --git a/migrate.sh b/migrate.sh new file mode 100644 index 0000000..3bf2c73 --- /dev/null +++ b/migrate.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash +source .env +DATABASE_URL=postgres://$DBUSER:$DBPASS@$DBHOST:$DBPORT npx node-pg-migrate $* diff --git a/migrations/1745667860234_captchas.js b/migrations/1745667860234_captchas.js new file mode 100644 index 0000000..4a425f0 --- /dev/null +++ b/migrations/1745667860234_captchas.js @@ -0,0 +1,23 @@ +export const shorthands = undefined; + +/** + * @param pgm {import('node-pg-migrate').MigrationBuilder} + * @param run {() => void | undefined} + * @returns {Promise | 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} + */ +export function down(pgm) { + pgm.dropTable('captchas') +} diff --git a/migrations/1745668334604_proxies.js b/migrations/1745668334604_proxies.js new file mode 100644 index 0000000..1cd01ea --- /dev/null +++ b/migrations/1745668334604_proxies.js @@ -0,0 +1,33 @@ +export const shorthands = undefined; + +/** + * @param pgm {import('node-pg-migrate').MigrationBuilder} + * @param run {() => void | undefined} + * @returns {Promise | 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} + */ +export function down(pgm) { + pgm.dropType('protocol_type'); + pgm.dropTable('proxies'); + pgm.dropColumn('captchas', 'proxy_id'); +} diff --git a/package-lock.json b/package-lock.json index d264b53..b9e626b 100644 --- a/package-lock.json +++ b/package-lock.json @@ -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 @@ "node": ">=6.9.0" } }, + "node_modules/@isaacs/cliui": { + "version": "8.0.2", + "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz", + "integrity": "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==", + "dev": true, + "license": "ISC", + "dependencies": { + "string-width": "^5.1.2", + "string-width-cjs": "npm:string-width@^4.2.0", + "strip-ansi": "^7.0.1", + "strip-ansi-cjs": "npm:strip-ansi@^6.0.1", + "wrap-ansi": "^8.1.0", + "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0" + }, + "engines": { + "node": ">=12" + } + }, "node_modules/accepts": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz", @@ -89,6 +109,32 @@ "node": ">=0.4.0" } }, + "node_modules/ansi-regex": { + "version": "6.1.0", + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.1.0.tgz", + "integrity": "sha512-7HSX4QQb4CspciLpVFwyRe79O3xsIZDDLER21kERQ71oaPodF8jL725AgJMFAYbooIqolJoRLuM81SpeUkpkvA==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=12" + }, + "funding": { + "url": "https://github.com/chalk/ansi-regex?sponsor=1" + } + }, + "node_modules/ansi-styles": { + "version": "6.2.1", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.1.tgz", + "integrity": "sha512-bN798gFfQX+viw3R7yrGWRqnrN2oRkEkUjjl4JNn4E8GxxbjtG3FbrEIIY3l8/hrwUwIeCZvi4QuOTP4MErVug==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=12" + }, + "funding": { + "url": "https://github.com/chalk/ansi-styles?sponsor=1" + } + }, "node_modules/anymatch": { "version": "3.1.3", "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz", @@ -263,6 +309,120 @@ "fsevents": "~2.3.2" } }, + "node_modules/cliui": { + "version": "8.0.1", + "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz", + "integrity": 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">=8" + }, + "funding": { + "url": "https://github.com/chalk/ansi-styles?sponsor=1" + } + }, + "node_modules/cliui/node_modules/emoji-regex": { + "version": "8.0.0", + "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz", + "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==", + "dev": true, + "license": "MIT" + }, + "node_modules/cliui/node_modules/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==", + "dev": true, + "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/cliui/node_modules/strip-ansi": { + "version": "6.0.1", + "resolved": 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-588,6 +814,30 @@ "node": ">= 0.4" } }, + "node_modules/glob": { + "version": "11.0.2", + "resolved": "https://registry.npmjs.org/glob/-/glob-11.0.2.tgz", + "integrity": "sha512-YT7U7Vye+t5fZ/QMkBFrTJ7ZQxInIUjwyAjVj84CYXqgBdv30MFUPGnBR6sQaVq6Is15wYJUsnzTuWaGRBhBAQ==", + "dev": true, + "license": "ISC", + "dependencies": { + "foreground-child": "^3.1.0", + "jackspeak": "^4.0.1", + "minimatch": "^10.0.0", + "minipass": "^7.1.2", + "package-json-from-dist": "^1.0.0", + "path-scurry": "^2.0.0" + }, + "bin": { + "glob": "dist/esm/bin.mjs" + }, + "engines": { + "node": "20 || >=22" + }, + "funding": { + "url": "https://github.com/sponsors/isaacs" + } + }, "node_modules/glob-parent": { "version": "5.1.2", "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz", @@ -601,6 +851,32 @@ "node": ">= 6" } }, + "node_modules/glob/node_modules/brace-expansion": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz", + 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"node": "20 || >=22" + }, + "funding": { + "url": "https://github.com/sponsors/isaacs" + } + }, "node_modules/js-stringify": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/js-stringify/-/js-stringify-1.0.2.tgz", @@ -823,6 +1132,16 @@ "promise": "^7.0.1" } }, + "node_modules/lru-cache": { + "version": "11.1.0", + "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-11.1.0.tgz", + "integrity": "sha512-QIXZUBJUx+2zHUdQujWejBkcD9+cs94tLn0+YL8UrCh+D5sCXZ4c7LaEH48pNwRY3MLDgqUFyhlCyjJPf1WP0A==", + "dev": true, + "license": "ISC", + "engines": { + "node": "20 || >=22" + } + }, "node_modules/math-intrinsics": { "version": "1.1.0", "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz", @@ -887,6 +1206,16 @@ "node": "*" } }, + "node_modules/minipass": { + "version": "7.1.2", + "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.1.2.tgz", + "integrity": 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"emoji-regex": "^8.0.0", + "is-fullwidth-code-point": "^3.0.0", + "strip-ansi": "^6.0.1" + }, + "engines": { + "node": ">=8" + } + }, + "node_modules/yargs/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==", + "dev": true, + "license": "MIT", + "dependencies": { + "ansi-regex": "^5.0.1" + }, + "engines": { + "node": ">=8" + } } } } diff --git a/package.json b/package.json index 2d4ff7e..b2e5bed 100644 --- a/package.json +++ b/package.json @@ -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" } } diff --git a/public/js/index.js b/public/js/index.js index 7cc88e6..678262e 100644 --- a/public/js/index.js +++ b/public/js/index.js @@ -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 => { diff --git a/src/controllers/captcha.js b/src/controllers/captcha.js index c82e89c..f4edb60 100644 --- a/src/controllers/captcha.js +++ b/src/controllers/captcha.js @@ -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"}); - } + } } } diff --git a/src/controllers/proxy.js b/src/controllers/proxy.js index 5b6e0b3..98535fd 100644 --- a/src/controllers/proxy.js +++ b/src/controllers/proxy.js @@ -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) { diff --git a/src/db.js b/src/db.js index c22d63c..fae804d 100644 --- a/src/db.js +++ b/src/db.js @@ -15,7 +15,4 @@ const pool = new Pool({ port: config.dbport }); -pool.query(fs.readFileSync('./db_schema.psql').toString()); - - export default pool; \ No newline at end of file diff --git a/src/services/captcha.js b/src/services/captcha.js index 35a762c..d28318e 100644 --- a/src/services/captcha.js +++ b/src/services/captcha.js @@ -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 = $1", [id])).rows[0]; } } diff --git a/src/services/proxy.js b/src/services/proxy.js index 2811c92..0e4a63a 100644 --- a/src/services/proxy.js +++ b/src/services/proxy.js @@ -1,4 +1,5 @@ import db from '../db.js'; +import { ProxyAgent } from 'undici'; class ProxyService { async add(proto, host, port, username, password) { @@ -6,17 +7,35 @@ class ProxyService { } async take() { - let proxy = (await db.query("UPDATE proxies SET claimed = TRUE WHERE id = ( SELECT id FROM proxies WHERE claimed = FALSE ORDER BY id LIMIT 1 ) RETURNING proto, host, port, username, password")).rows[0] - if (proxy == undefined) return undefined; - return proxy; + // while (true) { + let proxy = (await db.query("UPDATE proxies SET claimed = TRUE WHERE id = ( SELECT id FROM proxies WHERE claimed = FALSE ORDER BY id LIMIT 1 ) RETURNING id, proto, host, port, username, password")).rows[0] + return proxy == undefined? undefined : proxy; + + // console.log("testing proxy") + // if (await this.check_connection(proxy)) return proxy; + // else await this.delete(proxy.id) + // console.log("Proxy failed and deleted") + // } } + // async check_connection(proxy) { + // const dispatcher = new ProxyAgent(`${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]); } }