Bump version 1.2.5

.dockerignore

@@ -1,6 +1,7 @@
-node_modules
+.git/
-npm-debug.log
+.github/
-Dockerfile
+.idea/
-.dockerignore
+bin/
-.git
+dist/
-.gitignore
+node_modules/
+resources/

.github/ISSUE_TEMPLATE.md

@@ -1,31 +1,24 @@
 **Please use the search bar** at the top of the page and make sure you are not creating an already submitted issue.
 Check closed issues as well, because your issue may have already been fixed.
 
-### Instruction on how to enable debug and html trace
+### How to enable debug and html traces
 
 [Follow the instructions from this wiki page](https://github.com/FlareSolverr/FlareSolverr/wiki/How-to-enable-debug-and-html-trace)
 
 ### Environment
 
-**FlareSolverr Version**:
+* **FlareSolverr version**:
-
+* **Last working FlareSolverr version**:
-**Docker**: [yes/no]
+* **Operating system**:
-
+* **Are you using Docker**: [yes/no]
-**OS**: 
+* **Are you using a proxy or VPN?** [yes/no]
-
+* **Are you using Captcha Solver:** [yes/no]
-**Last Working FlareSolverr Version**:
+* **If using captcha solver, which one:**
-
-**Are you using a proxy or VPN?** [yes/no]
-
-**Using Captcha Solver:** [yes/no]
-
-**If using captcha solver, which one:**
 
 ### Description
 
 [List steps to reproduce the error and details on what happens and what you expected to happen]
 
-
 ### Logged Error Messages
 
 [Place any relevant error messages you noticed from the logs here.]

.github/workflows/release-docker.yml

@@ -1,4 +1,4 @@
-name: publish
+name: release-docker
 
 on:
   push:
@@ -24,7 +24,7 @@ jobs:
           tag-sha: false
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v1.0.1
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Build changelog
         id: github_changelog
         run: |
-          changelog=$(git log $(git describe --tags --abbrev=0)..HEAD --no-merges --oneline)
+          changelog=$(git log $(git tag | tail -2 | head -1)..HEAD --no-merges --oneline)
           changelog="${changelog//'%'/'%25'}"
           changelog="${changelog//$'\n'/'%0A'}"
           changelog="${changelog//$'\r'/'%0D'}"

README.md

@@ -4,6 +4,9 @@
 [![Docker Pulls](https://img.shields.io/docker/pulls/flaresolverr/flaresolverr)](https://hub.docker.com/r/flaresolverr/flaresolverr/)
 [![GitHub issues](https://img.shields.io/github/issues/FlareSolverr/FlareSolverr)](https://github.com/FlareSolverr/FlareSolverr/issues)
 [![GitHub pull requests](https://img.shields.io/github/issues-pr/FlareSolverr/FlareSolverr)](https://github.com/FlareSolverr/FlareSolverr/pulls)
+[![Donate PayPal](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=X5NJLLX5GLTV6&source=url)
+[![Donate Buy Me A Coffee](https://img.shields.io/badge/Donate-Buy%20me%20a%20coffee-yellow.svg)](https://www.buymeacoffee.com/ngosang)
+[![Donate Bitcoin](https://img.shields.io/badge/Donate-Bitcoin-orange.svg)](https://en.cryptobadges.io/donate/13Hcv77AdnFWEUZ9qUpoPBttQsUT7q9TTh)
 
 FlareSolverr is a proxy server to bypass Cloudflare protection
 
@@ -221,12 +224,12 @@ moment there is nothing setup to do so. If this is something you need feel free
 
 Name | Default | Notes
 |--|--|--|
-LOG_LEVEL | info | Used to change the verbosity of the logging. Use `LOG_LEVEL=debug` for more information.
+LOG_LEVEL | info | Verbosity of the logging. Use `LOG_LEVEL=debug` for more information.
-LOG_HTML | false | Used for debugging. If `true` all HTML that passes through the proxy will be logged to the console in `debug` level.
+LOG_HTML | false | Only for debugging. If `true` all HTML that passes through the proxy will be logged to the console in `debug` level.
-PORT | 8191 | Change this if you already have a process running on port `8191`.
+CAPTCHA_SOLVER | none | Captcha solving method. It used when a captcha is encountered. See the Captcha Solvers section.
-HOST | 0.0.0.0 | This shouldn't need to be messed with but if you insist, it's here!
+HEADLESS | true | Only for debugging. To run the web browser in headless mode or visible.
-CAPTCHA_SOLVER | None | This is used to select which captcha solving method it used when a captcha is encountered.
+PORT | 8191 | Listening port. You don't need to change this if you are running on Docker.
-HEADLESS | true | This is used to debug the browser by not running it in headless mode.
+HOST | 0.0.0.0 | Listening interface. You don't need to change this if you are running on Docker.
 
 Environment variables are set differently depending on the operating system. Some examples:
 * Docker: Take a look at the Docker section in this document. Environment variables can be set in the `docker-compose.yml` file or in the Docker CLI command.

build-binaries.js

@@ -13,7 +13,8 @@ const version = 'v' + require('./package.json').version;
       chromeFolder: 'chrome-linux',
       fsExec: 'flaresolverr-linux',
       fsZipExec: 'flaresolverr',
-      fsZipName: 'linux-x64'
+      fsZipName: 'linux-x64',
+      fsLicenseName: 'LICENSE'
     },
     {
       platform: 'win64',
@@ -21,7 +22,8 @@ const version = 'v' + require('./package.json').version;
       chromeFolder: 'chrome-win',
       fsExec: 'flaresolverr-win.exe',
       fsZipExec: 'flaresolverr.exe',
-      fsZipName: 'windows-x64'
+      fsZipName: 'windows-x64',
+      fsLicenseName: 'LICENSE.txt'
     }
     // TODO: this is working but changes are required in session.ts to find chrome path
     // {
@@ -30,7 +32,8 @@ const version = 'v' + require('./package.json').version;
     //   chromeFolder: 'chrome-mac',
     //   fsExec: 'flaresolverr-macos',
     //   fsZipExec: 'flaresolverr',
-    //   fsZipName: 'macos'
+    //   fsZipName: 'macos',
+    //   fsLicenseName: 'LICENSE'
     // }
   ]
 
@@ -70,9 +73,10 @@ const version = 'v' + require('./package.json').version;
 
     archive.pipe(output)
 
+    archive.file('LICENSE', { name: 'flaresolverr/' + os.fsLicenseName })
     archive.file('bin/' + os.fsExec, { name: 'flaresolverr/' + os.fsZipExec })
     archive.directory('bin/puppeteer/' + os.platform + '-' + os.version + '/' + os.chromeFolder, 'flaresolverr/chrome')
 
-    archive.finalize()
+    await archive.finalize()
   }
 })()

docker-compose.yml

@@ -6,13 +6,9 @@ services:
     image: ghcr.io/flaresolverr/flaresolverr:latest
     container_name: flaresolverr
     environment:
-      # Used to change the verbosity of the logging
+      - LOG_LEVEL=${LOG_LEVEL:-info}
-      - LOG_LEVEL=info
+      - LOG_HTML=${LOG_HTML:-false}
-      # Enables hcaptcha-solver => https://github.com/JimmyLaurent/hcaptcha-solver
+      - CAPTCHA_SOLVER=${CAPTCHA_SOLVER:-none}
-      #- CAPTCHA_SOLVER=hcaptcha-solver
-      # Enables CaptchaHarvester => https://github.com/NoahCardoza/CaptchaHarvester
-      #- CAPTCHA_SOLVER=harvester
-      #- HARVESTER_ENDPOINT=https://127.0.0.1:5000/token
     ports:
-      - 8191:8191
+      - "${PORT:-8191}:8191"
     restart: unless-stopped

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "flaresolverr",
-  "version": "1.2.2",
+  "version": "1.2.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "flaresolverr",
-  "version": "1.2.2",
+  "version": "1.2.5",
   "description": "Proxy server to bypass Cloudflare protection.",
   "scripts": {
     "start": "node ./dist/index.js",

resources/flaresolverr_logo.svg

@@ -0,0 +1,180 @@
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+   xmlns:svg="http://www.w3.org/2000/svg"
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+   viewBox="0 0 256 256"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="flaresolverr_logo.svg"
+   inkscape:export-filename="C:\Users\Diego\Desktop\flaresolverr_logo.png"
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src/captcha/hcaptcha-solver.ts

@@ -12,8 +12,7 @@ import { SolverOptions } from '.'
 
 export default async function solve({ url }: SolverOptions): Promise<string> {
   try {
-    const token = await solveCaptcha(url)
+    return await solveCaptcha(url)
-    return token
   } catch (e) {
     console.error(e)
     return null

src/captcha/index.ts

@@ -18,7 +18,9 @@ const captchaSolvers: { [key: string]: Solver } = {}
 export default (): Solver => {
   const method = process.env.CAPTCHA_SOLVER
 
-  if (!method) { return null }
+  if (!method || method.toLowerCase() == 'none') {
+    return null;
+  }
 
   if (!(method in captchaSolvers)) {
     try {
@@ -28,12 +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]
 }

src/index.ts

@@ -1,12 +1,63 @@
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
 import log from './log'
 import { createServer, IncomingMessage, ServerResponse } from 'http';
 import { RequestContext } from './types'
 import Router, { BaseAPICall } from './routes'
+import getCaptchaSolver from "./captcha";
+import sessions from "./session";
+import {v1 as UUIDv1} from "uuid";
 
 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. ${e.message}`);
+    process.exit(1);
+  }
+}
+
+async function testChromeInstallation() {
+  log.debug("Testing Chrome installation...")
+  // create a temporary file for testing
+  const fileContent = `flaresolverr_${version}`
+  const filePath = path.join(os.tmpdir(), 'flaresolverr.txt')
+  const fileUrl = `file://${filePath}`
+  fs.writeFileSync(filePath, fileContent)
+  // launch the browser
+  const sessionId = UUIDv1()
+  const session = await sessions.create(sessionId, {
+    userAgent: null,
+    oneTimeSession: true
+  })
+  const page = await session.browser.newPage()
+  const response = await page.goto(fileUrl, { waitUntil: 'domcontentloaded' })
+  const responseBody = (await response.buffer()).toString().trim()
+  if (responseBody != fileContent) {
+    throw new Error("The response body does not match!")
+  }
+  await page.close()
+  await sessions.destroy(sessionId)
+  log.debug("Test successful")
+}
 
 function errorResponse(errorMsg: string, res: ServerResponse, startTimestamp: number) {
   log.error(errorMsg)
@@ -64,9 +115,29 @@ function validateIncomingRequest(ctx: RequestContext, params: BaseAPICall) {
   return true
 }
 
+// init
+log.info(`FlareSolverr ${version}`);
+log.debug('Debug log enabled');
+validateEnvironmentVariables();
+testChromeInstallation()
+.catch(e => {
+  log.error("Error starting Chrome browser.", e);
+  process.exit(1);
+})
+.then(r =>
   createServer((req: IncomingMessage, res: ServerResponse) => {
     const startTimestamp = Date.now()
 
+    // health endpoint. this endpoint is special because it doesn't print traces
+    if (req.url == '/health') {
+      res.writeHead(200, {
+        'Content-Type': 'application/json'
+      })
+      res.write(JSON.stringify({"status": "ok"}))
+      res.end()
+      return;
+    }
+
     // count the request for the log prefix
     log.incRequests()
     log.info(`Incoming request: ${req.method} ${req.url}`)
@@ -110,6 +181,6 @@ createServer((req: IncomingMessage, res: ServerResponse) => {
       })
     })
   }).listen(serverPort, serverHost, () => {
-  log.info(`FlareSolverr ${version} listening on http://${serverHost}:${serverPort}`);
+    log.info(`Listening on http://${serverHost}:${serverPort}`);
-  log.debug('Debug log enabled');
   })
+)

src/log.ts

@@ -1,6 +1,6 @@
 let requests = 0
 
-const LOG_HTML: boolean = Boolean(process.env.LOG_HTML) || false
+const LOG_HTML: boolean = process.env.LOG_HTML == 'true';
 
 export default {
   incRequests: () => { requests++ },
@@ -9,10 +9,10 @@ export default {
       this.debug(html)
   },
   ...require('console-log-level')(
-    {
+    {level: process.env.LOG_LEVEL || 'info',
-      level: process.env.LOG_LEVEL || 'info',
       prefix(level: string) {
-        return `${new Date().toISOString()} ${level.toUpperCase()} REQ-${requests}`
+        const req = (requests > 0) ? ` REQ-${requests}` : '';
+        return `${new Date().toISOString()} ${level.toUpperCase()}${req}`
       }
     }
   )

src/providers/cloudflare.ts

@@ -117,7 +117,7 @@ export default async function resolveChallenge(url: string, page: Page, response
 
         // ignore preset event listeners on the form
         await page.evaluate(() => {
-          window.addEventListener('submit', (e) => { event.stopPropagation() }, true)
+          window.addEventListener('submit', (e) => { e.stopPropagation() }, true)
         })
 
         // it seems some sites obfuscate their challenge forms

src/routes.ts

@@ -180,18 +180,17 @@ async function setupPage(ctx: RequestContext, params: BaseRequestAPICall, browse
   }
 
   if (headers) {
-    log.debug(`Adding custom headers: ${JSON.stringify(headers, null, 2)}`,)
+    log.debug(`Adding custom headers: ${JSON.stringify(headers)}`)
     overrideResolvers.headers = request => Object.assign(request.headers(), headers)
   }
 
   if (cookies) {
-    log.debug(`Setting custom cookies: ${JSON.stringify(cookies, null, 2)}`,)
+    log.debug(`Setting custom cookies: ${JSON.stringify(cookies)}`)
     await page.setCookie(...cookies)
   }
 
   // if any keys have been set on the object
   if (Object.keys(overrideResolvers).length > 0) {
-    log.debug(overrideResolvers)
     let callbackRunOnce = false
     const callback = (request: Request) => {
 
@@ -208,8 +207,7 @@ async function setupPage(ctx: RequestContext, params: BaseRequestAPICall, browse
         overrides[key] = overrideResolvers[key](request)
       });
 
-      log.debug(overrides)
+      log.debug(`Overrides: ${JSON.stringify(overrides)}`)
-
       request.continue(overrides)
     }
 
@@ -253,7 +251,9 @@ const browserRequest = async (ctx: RequestContext, params: BaseRequestAPICall) =
     log.error(error)
     return ctx.errorResponse("Unable to process browser request. Error: " + error)
   } finally {
-    if (oneTimeSession) { sessions.destroy(sessionId) }
+    if (oneTimeSession) {
+      await sessions.destroy(sessionId)
+    }
   }
 }
 

src/session.ts

@@ -82,7 +82,7 @@ export default {
       puppeteerOptions.executablePath = path.join(path.dirname(process.execPath), 'chrome', exe)
     }
 
-    log.debug('Launching headless browser...')
+    log.debug('Launching browser...')
 
     // TODO: maybe access env variable?
     // TODO: sometimes browser instances are created and not connected to correctly.