Hope to be able to add fingerprint information

[zoushucai]

Recently, I encountered some issues while using the httpx package. It was later discovered that the website had fingerprint verification, and I used the curl_cffi package to solve the problem. Can the author also introduce the mechanism of the curl_cffi package, Thank you

[zanieb]

Hi! We request that issues start as discussions here.

Can you explain the issues that you encountered?

[zoushucai]

Hello, this is a typical example from https://github.com/yifeikong/curl_cffi. If we access it through a browser, we can get the value of '"akamai_hash', but if it is a crawler, the corresponding result cannot be obtained,

[zoushucai]

The code is as follows:

import httpx
client = httpx.Client()
rep = client.get("https://tls.browserleaks.com/json")
print(rep.json())

The result is that the following field values are empty

'akamai_hash': '', 'akamai_text': ''

In fact, if you use a browser to access it, these two values do exist

[My-Responsitories]

these only available in http/2

import httpx
client = httpx.Client(http2=True)
rep = client.get("https://tls.browserleaks.com/json")
print(bool(rep.json()['akamai_hash']))
# True

[zoushucai]

@My-Responsitories Wow, it's incredibly astonishing. I didn't realize how powerful HTTP2 is here. Thank you for opening the door to a new world for me. Previously, I was only using direct GET requests.

[zoushucai]

Thanks