Bump version 3.4.2 (#1590)

Co-authored-by: ilike2burnthing <59480337+ilike2burnthing@users.noreply.github.com>

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## v3.4.2 (2025/10/09)
+* Bump dependencies & CI actions. Thanks @flowerey
+* Add optional wait time after resolving the challenge before returning. Thanks @kennedyoliveira
+* Add proxy ENVs. Thanks @Robokishan
+* Handle empty string and keys without value in postData. Thanks @eZ4RK0
+* Add quote protection for password containing it. Thanks @warrenberberd
+* Add returnScreenshot parameter to screenshot the final web page. Thanks @estebanthi
+* Add log file support. Thanks @acg5159
+
 ## v3.4.1 (2025/09/15)
 * Fix regex pattern syntax in utils.py
 * Change access denied title check to use startswith

Dockerfile

@@ -38,7 +38,12 @@ RUN dpkg -i /libgl1-mesa-dri.deb \
     # Create flaresolverr user
     && useradd --home-dir /app --shell /bin/sh flaresolverr \
     && mv /usr/bin/chromedriver chromedriver \
-    && chown -R flaresolverr:flaresolverr .
+    && chown -R flaresolverr:flaresolverr . \
+    # Create config dir
+    && mkdir /config \
+    && chown flaresolverr:flaresolverr /config
+
+VOLUME /config
 
 # Install Python dependencies
 COPY requirements.txt .
@@ -62,17 +67,17 @@ ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 CMD ["/usr/local/bin/python", "-u", "/app/flaresolverr.py"]
 
 # Local build
-# docker build -t ngosang/flaresolverr:3.4.1 .
-# docker run -p 8191:8191 ngosang/flaresolverr:3.4.1
+# docker build -t ngosang/flaresolverr:3.4.2 .
+# docker run -p 8191:8191 ngosang/flaresolverr:3.4.2
 
 # Multi-arch build
 # docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
 # docker buildx create --use
-# docker buildx build -t ngosang/flaresolverr:3.4.1 --platform linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8 .
+# docker buildx build -t ngosang/flaresolverr:3.4.2 --platform linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8 .
 #   add --push to publish in DockerHub
 
 # Test multi-arch build
 # docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
 # docker buildx create --use
-# docker buildx build -t ngosang/flaresolverr:3.4.1 --platform linux/arm/v7 --load .
-# docker run -p 8191:8191 --platform linux/arm/v7 ngosang/flaresolverr:3.4.1
+# docker buildx build -t ngosang/flaresolverr:3.4.2 --platform linux/arm/v7 --load .
+# docker run -p 8191:8191 --platform linux/arm/v7 ngosang/flaresolverr:3.4.2

README.md

@@ -187,8 +187,9 @@ session. When you no longer need to use a session you should make sure to close
 | maxTimeout          | Optional, default value 60000. Max timeout to solve the challenge in milliseconds.                                                                                                                                                                                                                                                           |
 | cookies             | Optional. Will be used by the headless browser. Eg: `"cookies": [{"name": "cookie1", "value": "value1"}, {"name": "cookie2", "value": "value2"}]`.                                                                                                                                                                                           |
 | returnOnlyCookies   | Optional, default false. Only returns the cookies. Response data, headers and other parts of the response are removed.                                                                                                                                                                                                                       |
+| returnScreenshot    | Optional, default false. Captures a screenshot of the final rendered page after all challenges and waits are completed. The screenshot is returned as a Base64-encoded PNG string in the `screenshot` field of the response.                                                                                                                 |
 | proxy               | Optional, default disabled. Eg: `"proxy": {"url": "http://127.0.0.1:8888"}`. You must include the proxy schema in the URL: `http://`, `socks4://` or `socks5://`. Authorization (username/password) is not supported. (When the `session` parameter is set, the proxy is ignored; a session specific proxy can be set in `sessions.create`.) |
-| waitInSeconds       | Optional, default none. Length to wait in seconds after solving the challenge, and before returning the results. Useful to allow it to load dynamic content.                                                                                                                                                                        |
+| waitInSeconds       | Optional, default none. Length to wait in seconds after solving the challenge, and before returning the results. Useful to allow it to load dynamic content.                                                                                                                                                                                 |
 
 > **Warning**
 > If you want to use Cloudflare clearance cookie in your scripts, make sure you use the FlareSolverr User-Agent too. If they don't match you will see the challenge.
@@ -265,13 +266,14 @@ This is the same as `request.get` but it takes one more param:
 | Name               | Default                | Notes                                                                                                                                                         |
 |--------------------|------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | LOG_LEVEL          | info                   | Verbosity of the logging. Use `LOG_LEVEL=debug` for more information.                                                                                         |
+| LOG_FILE           | none                   | Path to capture log to file. Example: `/config/flaresolver.log`.                                                                                              |
 | LOG_HTML           | false                  | Only for debugging. If `true` all HTML that passes through the proxy will be logged to the console in `debug` level.                                          |
 | PROXY_URL               | none                   | URL for proxy. Will be overwritten by `request` or `sessions` proxy, if used. Example: `http://127.0.0.1:8080`.                                                                                   |
 | PROXY_USERNAME               | none                   | Username for proxy. Will be overwritten by `request` or `sessions` proxy, if used. Example: `testuser`.                                                                                   |
 | PROXY_PASSWORD               | none                   | Password for proxy. Will be overwritten by `request` or `sessions` proxy, if used. Example: `testpass`.                                                                                   |
 | CAPTCHA_SOLVER     | none                   | Captcha solving method. It is used when a captcha is encountered. See the Captcha Solvers section.                                                            |
 | TZ                 | UTC                    | Timezone used in the logs and the web browser. Example: `TZ=Europe/London`.                                                                                   |
-| LANG               | none                   | Language used in the web browser. Example: `LANG=en_GB`.                                                                                   |
+| LANG               | none                   | Language used in the web browser. Example: `LANG=en_GB`.                                                                                                      |
 | HEADLESS           | true                   | Only for debugging. To run the web browser in headless mode or visible.                                                                                       |
 | TEST_URL           | https://www.google.com | FlareSolverr makes a request on start to make sure the web browser is working. You can change that URL if it is blocked in your country.                      |
 | PORT               | 8191                   | Listening port. You don't need to change this if you are running on Docker.                                                                                   |

docker-compose.yml

@@ -7,9 +7,12 @@ services:
     container_name: flaresolverr
     environment:
       - LOG_LEVEL=${LOG_LEVEL:-info}
+      - LOG_FILE=${LOG_FILE:-none}
       - LOG_HTML=${LOG_HTML:-false}
       - CAPTCHA_SOLVER=${CAPTCHA_SOLVER:-none}
       - TZ=Europe/London
     ports:
       - "${PORT:-8191}:8191"
+    volumes:
+      - /var/lib/flaresolver:/config
     restart: unless-stopped

package.json

@@ -1,6 +1,6 @@
 {
   "name": "flaresolverr",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "Proxy server to bypass Cloudflare protection",
   "author": "Diego Heras (ngosang / ngosang@hotmail.es)",
   "license": "MIT"

requirements.txt

@@ -1,11 +1,11 @@
 bottle==0.13.4
 waitress==3.0.2
-selenium==4.35.0
+selenium==4.36.0
 func-timeout==4.3.5
-prometheus-client==0.22.1
+prometheus-client==0.23.1
 # Required by undetected_chromedriver
 requests==2.32.5
-certifi==2025.8.3
+certifi==2025.10.5
 websockets==15.0.1
 packaging==25.0
 # Only required for Linux and macOS

src/dtos.py

@@ -10,6 +10,7 @@ class ChallengeResolutionResultT:
     response: str = None
     cookies: list = None
     userAgent: str = None
+    screenshot: str | None = None
 
     def __init__(self, _dict):
         self.__dict__.update(_dict)
@@ -41,6 +42,7 @@ class V1RequestBase(object):
     url: str = None
     postData: str = None
     returnOnlyCookies: bool = None
+    returnScreenshot: bool = None
     download: bool = None   # deprecated v2.0.0, not used
     returnRawHtml: bool = None  # deprecated v2.0.0, not used
     waitInSeconds: int = None

src/flaresolverr.py

@@ -87,6 +87,7 @@ if __name__ == "__main__":
 
     # validate configuration
     log_level = os.environ.get('LOG_LEVEL', 'info').upper()
+    log_file = os.environ.get('LOG_FILE', None)
     log_html = utils.get_config_log_html()
     headless = utils.get_config_headless()
     server_host = os.environ.get('HOST', '0.0.0.0')
@@ -104,6 +105,13 @@ if __name__ == "__main__":
             logging.StreamHandler(sys.stdout)
         ]
     )
+    if log_file:
+        log_file = os.path.realpath(log_file)
+        log_path = os.path.dirname(log_file)
+        os.makedirs(log_path, exist_ok=True)
+
+        logging.getLogger().addHandler(logging.FileHandler(log_file))
+
     # disable warning traces from urllib3
     logging.getLogger('urllib3').setLevel(logging.ERROR)
     logging.getLogger('selenium.webdriver.remote.remote_connection').setLevel(logging.WARNING)

src/flaresolverr_service.py

@@ -397,6 +397,9 @@ def _evil_logic(req: V1RequestBase, driver: WebDriver, method: str) -> Challenge
 
         challenge_res.response = driver.page_source
 
+    if req.returnScreenshot:
+        challenge_res.screenshot = driver.get_screenshot_as_base64()
+
     res.result = challenge_res
     return res