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Feature request: FlareSolverr integration #83

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actuallymentor opened this issue Aug 31, 2024 · 0 comments
Open

Feature request: FlareSolverr integration #83

actuallymentor opened this issue Aug 31, 2024 · 0 comments

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@actuallymentor
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actuallymentor commented Aug 31, 2024 •
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Thanks for the amazing work on this project!

A lot of websites are behind a cloudflare wall, which can in many cases be solved with FlareSolverr/FlareSolverr.

FlareSolverr is a cookie retreival tool. Usage is usually with a Docker container, which can then be called with:

curl -L -X POST 'http://CONTAINERNAME:8191/v1' \
-H 'Content-Type: application/json' \
--data-raw '{
  "cmd": "request.get",
  "url": "http://www.google.com/",
  "maxTimeout": 60000
}'

The container returns a cookie response, see this docs section, that looks like:

{
    "solution": {
        "url": "https://www.google.com/?gws_rd=ssl",
        "status": 200,
        "headers": {
            "status": "200",
            "date": "Thu, 16 Jul 2020 04:15:49 GMT",
            "expires": "-1",
            "cache-control": "private, max-age=0",
            "content-type": "text/html; charset=UTF-8",
            "strict-transport-security": "max-age=31536000",
            "p3p": "CP=\"This is not a P3P policy! See g.co/p3phelp for more info.\"",
            "content-encoding": "br",
            "server": "gws",
            "content-length": "61587",
            "x-xss-protection": "0",
            "x-frame-options": "SAMEORIGIN",
            "set-cookie": "1P_JAR=2020-07-16-04; expires=Sat..."
        },
        "response":"<!DOCTYPE html>...",
        "cookies": [
            {
                "name": "NID",
                "value": "204=QE3Ocq15XalczqjuDy52HeseG3zAZuJzID3R57...",
                "domain": ".google.com",
                "path": "/",
                "expires": 1610684149.307722,
                "size": 178,
                "httpOnly": true,
                "secure": true,
                "session": false,
                "sameSite": "None"
            },
            {
                "name": "1P_JAR",
                "value": "2020-07-16-04",
                "domain": ".google.com",
                "path": "/",
                "expires": 1597464949.307626,
                "size": 19,
                "httpOnly": false,
                "secure": true,
                "session": false,
                "sameSite": "None"
            }
        ],
        "userAgent": "Windows NT 10.0; Win64; x64) AppleWebKit/5..."
    },
    "status": "ok",
    "message": "",
    "startTimestamp": 1594872947467,
    "endTimestamp": 1594872949617,
    "version": "1.0.0"
}

Ladder can then use those cookies in a retry request that satisfies the Cloudflare requirements.

NOTES

  • as mentioned in Medium.com blocked by cloudflare #72, FlareSolverr runs headless chrome so is quite heavy. This shouldn't matter for Ladder as it is an external tool that is up to the user to maintain (probably in a docker composition)
  • the implementation will likely be a FLARESOLVERR_HOST environment variable that if set would be used on failed requests
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