projectdiscovery / proxify

A versatile and portable proxy for capturing, manipulating, and replaying HTTP/HTTPS traffic on the go.
https://projectdiscovery.io
MIT License
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proxify is missing some encodings #519

Open ehsandeep opened 8 months ago

ehsandeep commented 8 months ago

seems like proxify is missing some encodings ( + those are shown in jsonl but not yaml multidoc ) Screenshot 2024-03-12 at 9 58 34 PM

Steps to reproduce

Implementation Notes

Originally posted by @tarunKoyalwar in https://github.com/projectdiscovery/proxify/issues/438#issuecomment-1992664616

dogancanbakir commented 8 months ago

I'm unable to reproduce the issue. Here are the steps I followed:

$ go run . -of jsonl -sr

$ python3 -c 'import requests; proxies = {"http": "http://127.0.0.1:8888", "https": "http://127.0.0.1:8888"}; response = requests.get("https://github.com/projectdiscovery/proxify", proxies=proxies, verify=False); print(response.text)'

I've also tried browser but couldn't.

@tarunKoyalwar Could you please provide me with the repro steps?

tarunKoyalwar commented 8 months ago

looks like there is another issue related to max response read size

$  proxify -v

                       _ ___    
   ___  _______ __ __ (_) _/_ __
  / _ \/ __/ _ \\ \ // / _/ // /
 / .__/_/  \___/_\_\/_/_/ \_, / 
/_/                      /___/

        projectdiscovery.io

[INF] Current proxify version v0.0.15 (latest)
[INF] HTTP Proxy Listening on 127.0.0.1:8888
[INF] Saving proxify logs to proxify_logs.jsonl
[WRN] responseChain: Error while dumping response: error reading response body: could not read response body: http: request body too large
$ curl -v -x http://127.0.0.1:8888 https://github.githubassets.com/asses/chunk-ui_packages_cookie-consent-link-element_cookie-consent-link-element_ts-80fd8ee00406.js

cc: @dogancanbakir

tarunKoyalwar commented 8 months ago

also looks like some servers do send br encoded response body and this seems to be advertisied by firefox browser

      "Accept-Encoding": "gzip, deflate, br",

^ this seems to be the reason why this is reproducable when proxiying browser traffic and not when using curl

Screenshot 2024-03-13 at 5 35 38 PM

tarunKoyalwar commented 8 months ago
"response": {
    "header": {
      "Accept-Ranges": "bytes",
      "Access-Control-Allow-Origin": "*",
      "Age": "1196786",
      "Cache-Control": "public, max-age=31536000, immutable",
      "Content-Encoding": "br",
      "Content-Type": "application/javascript",
      "Cross-Origin-Resource-Policy": "cross-origin",
      "Date": "Wed, 13 Mar 2024 12:08:32 GMT",
      "Etag": "0x8DC348B9980FBA0",
      "Last-Modified": "Fri, 23 Feb 2024 16:22:16 GMT",
      "Server": "Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0",
      "Strict-Transport-Security": "max-age=31536000",
      "Vary": "Accept-Encoding",
      "Via": "1.1 varnish, 1.1 varnish",
      "X-Cache": "HIT, HIT",
      "X-Cache-Hits": "88, 15269",
      "X-Fastly-Request-Id": "3c72b7382202b93fec00c5c1e1f06972ff1eb20c",
      "X-Served-By": "cache-iad-kiad7000175-IAD, cache-hyd1100027-HYD"
    },
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dogancanbakir commented 8 months ago

depends on https://github.com/projectdiscovery/utils/issues/370