Python中实现HTTPS证书验证的原理与应用场景总结

import requests
from requests.exceptions import SSLError

def verify_certificate(url):
    try:
        response = requests.get(url, verify=True)
        print(f"Certificate for {url} is valid.")
    except SSLError as e:
        print(f"Certificate verification failed: {e}")

verify_certificate("https://example.com")

import requests
from requests.exceptions import SSLError

def verify_certificate_with_requests(url):
    try:
        response = requests.get(url, verify=True)
        print(f"Certificate for {url} is valid.")
    except SSLError as e:
        print(f"Certificate verification failed: {e}")

verify_certificate_with_requests("https://example.com")

import ssl
import urllib.request

def verify_certificate_with_ssl(url, ca_file):
    context = ssl.create_default_context(cafile=ca_file)
    context.check_hostname = True
    context.verify_mode = ssl.CERT_REQUIRED
    try:
        with urllib.request.urlopen(url, context=context) as response:
            print(f"Certificate for {url} is valid.")
    except ssl.SSLError as e:
        print(f"Certificate verification failed: {e}")

verify_certificate_with_ssl("https://example.com", "/path/to/cacert.pem")

import requests
from requests.exceptions import SSLError

def download_music(url, output_path):
    try:
        response = requests.get(url, verify=True)
        if response.status_code == 200:
            with open(output_path, 'wb') as f:
                f.write(response.content)
            print(f"Music downloaded successfully to {output_path}")
        else:
            print(f"Failed to download music. Status code: {response.status_code}")
    except SSLError as e:
        print(f"Certificate verification failed: {e}")

download_music("https://monkeymusic.com/download/track1.mp3", "track1.mp3")