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reference/fingerprint.py
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167
reference/fingerprint.py
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# modules/fingerprint.py
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"""浏览器指纹生成器"""
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import uuid
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import random
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import time
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from datetime import datetime
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from typing import Dict, List, Any
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from config import FINGERPRINT_CONFIG
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class BrowserFingerprint:
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"""生成符合 SDK 期望的浏览器指纹"""
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def __init__(self, session_id: str = None):
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self.session_id = session_id or str(uuid.uuid4())
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# 新增: 使用确定性方法从 session_id 派生 Stripe 指纹
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import hashlib
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seed = hashlib.sha256(self.session_id.encode()).hexdigest()
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# seed 是64个hex字符，我们需要确保切片正确
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# 从 seed 生成一致的 guid/muid/sid
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# UUID需要32个hex字符（去掉连字符），额外部分直接拼接
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self.stripe_guid = seed[:8] + '-' + seed[8:12] + '-' + seed[12:16] + '-' + seed[16:20] + '-' + seed[20:32] + seed[32:40]
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self.stripe_muid = seed[:8] + '-' + seed[8:12] + '-' + seed[12:16] + '-' + seed[16:20] + '-' + seed[20:32] + seed[40:46]
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self.stripe_sid = seed[:8] + '-' + seed[8:12] + '-' + seed[12:16] + '-' + seed[16:20] + '-' + seed[20:32] + seed[46:52]
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self.user_agent = FINGERPRINT_CONFIG['user_agent']
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self.screen_width = FINGERPRINT_CONFIG['screen_width']
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self.screen_height = FINGERPRINT_CONFIG['screen_height']
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self.languages = FINGERPRINT_CONFIG['languages']
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self.hardware_concurrency = FINGERPRINT_CONFIG['hardware_concurrency']
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def get_config_array(self) -> List[Any]:
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"""
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生成 SDK getConfig() 函数返回的 18 元素数组
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对应 SDK 源码：
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[0]: screen.width + screen.height
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[1]: new Date().toString()
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[2]: performance.memory.jsHeapSizeLimit (可选)
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[3]: nonce (PoW 填充)
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[4]: navigator.userAgent
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[5]: 随机 script.src
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[6]: build ID
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[7]: navigator.language
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[8]: navigator.languages.join(',')
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[9]: 运行时间 (PoW 填充)
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[10]: 随机 navigator 属性
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[11]: 随机 document key
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[12]: 随机 window key
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[13]: performance.now()
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[14]: session UUID
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[15]: URL search params
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[16]: navigator.hardwareConcurrency
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[17]: performance.timeOrigin
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"""
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# 模拟的 script sources
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fake_scripts = [
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"https://sentinel.openai.com/sentinel/97790f37/sdk.js",
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"https://chatgpt.com/static/js/main.abc123.js",
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"https://cdn.oaistatic.com/_next/static/chunks/main.js",
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]
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# 模拟的 navigator 属性名
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navigator_props = [
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'hardwareConcurrency', 'language', 'languages',
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'platform', 'userAgent', 'vendor'
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]
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# 模拟的 document keys
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document_keys = ['body', 'head', 'documentElement', 'scripts']
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# 模拟的 window keys
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window_keys = ['performance', 'navigator', 'document', 'location']
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current_time = time.time() * 1000
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return [
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self.screen_width + self.screen_height, # [0]
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str(datetime.now()), # [1]
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None, # [2] memory
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None, # [3] nonce (placeholder)
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self.user_agent, # [4]
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random.choice(fake_scripts), # [5]
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"97790f37", # [6] build ID
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self.languages[0], # [7]
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",".join(self.languages), # [8]
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None, # [9] runtime (placeholder)
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f"{random.choice(navigator_props)}−{random.randint(1, 16)}", # [10]
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random.choice(document_keys), # [11]
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random.choice(window_keys), # [12]
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current_time, # [13]
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self.session_id, # [14]
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"", # [15] URL params
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self.hardware_concurrency, # [16]
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current_time - random.uniform(100, 1000), # [17] timeOrigin
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]
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def get_cookies(self) -> Dict[str, str]:
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"""生成初始 cookies"""
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return {
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'oai-did': self.session_id,
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}
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def get_stripe_fingerprint(self) -> Dict[str, str]:
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"""获取 Stripe 支付指纹（与 session_id 一致派生）"""
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return {
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'guid': self.stripe_guid,
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'muid': self.stripe_muid,
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'sid': self.stripe_sid,
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}
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def get_headers(self, with_sentinel: str = None, host: str = 'auth.openai.com') -> Dict[str, str]:
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"""生成 HTTP headers（支持多域名）"""
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# 基础 headers
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headers = {
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'User-Agent': self.user_agent,
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'Accept': 'application/json',
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'Accept-Language': f"{self.languages[0]},{self.languages[1]};q=0.5",
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# Note: urllib3/requests only auto-decompress brotli/zstd when optional
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# deps are installed; avoid advertising unsupported encodings.
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'Accept-Encoding': 'gzip, deflate',
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'Connection': 'keep-alive',
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'Sec-Fetch-Dest': 'empty',
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'Sec-Fetch-Mode': 'cors',
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'Sec-Fetch-Site': 'same-origin',
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'Priority': 'u=1, i',
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'Pragma': 'no-cache',
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'Cache-Control': 'no-cache',
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}
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# 根据域名设置特定 headers
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if 'chatgpt.com' in host:
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headers.update({
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'Origin': 'https://chatgpt.com',
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'Referer': 'https://chatgpt.com/',
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})
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else:
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headers.update({
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'Origin': 'https://auth.openai.com',
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'Referer': 'https://auth.openai.com/create-account/password',
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'Content-Type': 'application/json',
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})
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# Sentinel token
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if with_sentinel:
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headers['openai-sentinel-token'] = with_sentinel
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# Datadog RUM tracing
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trace_id = random.randint(10**18, 10**19 - 1)
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parent_id = random.randint(10**18, 10**19 - 1)
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headers.update({
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'traceparent': f'00-0000000000000000{trace_id:016x}-{parent_id:016x}-01',
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'tracestate': 'dd=s:1;o:rum',
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'x-datadog-origin': 'rum',
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'x-datadog-parent-id': str(parent_id),
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'x-datadog-sampling-priority': '1',
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'x-datadog-trace-id': str(trace_id),
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})
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return headers
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