采集器增加验证码打码功能

2025-04-09 22:58:25 +08:00 · 2025-04-09 22:58:25 +08:00 · 19607428f8
commit 19607428f8
parent b7f545dab8
4 changed files with 195 additions and 10 deletions
--- a/app/engines/crawl_engine.py
+++ b/app/engines/crawl_engine.py
@ -1,7 +1,10 @@
 import queue
+import re
 import threading
 import time

+import execjs
+import requests
 from DrissionPage.errors import ElementNotFoundError
 from loguru import logger
 from sqlmodel import Session, select, or_, and_
@ -10,7 +13,9 @@ from app.config.config import AppCtx
 from app.constants.domain import DomainStatus
 from app.models.domain import DomainModel
 from app.models.report_urls import ReportUrlModel
+from app.utils.common import get_proxies
 from app.utils.dp import DPEngine
+from app.utils.ydm_verify import YdmVerify


 class CrawlEngine:
@ -36,8 +41,6 @@ class CrawlEngine:
        # 创建一个浏览器
        self.dp_engine = DPEngine()

-        self.database = AppCtx.g_db_engine
-
    def cli_start(self, target_domains: str, target_domain_filepath: str):
        """CLI 模式启动
            target_domains: 英文逗号分割的字符串
@ -91,7 +94,7 @@ class CrawlEngine:
                    continue

                # 存入数据库
-                with Session(self.database) as session:
+                with Session(AppCtx.g_db_engine) as session:
                    self.save_surl(session, domain, surl)
            except queue.Empty:
                # 队列空了，等1秒再取一次
@ -120,7 +123,7 @@ class CrawlEngine:

        # 检查在数据库中是否有重复的
        for domain in domains:
-            with Session(self.database) as session:
+            with Session(AppCtx.g_db_engine) as session:
                stmt = select(DomainModel).where(DomainModel.domain == domain)
                result = session.exec(stmt).first()
                if not result:
@ -163,10 +166,6 @@ class CrawlEngine:
                        )
                    )
                )
-
-                # stmt = select(DomainModel).where(
-                #     DomainModel.latest_crawl_time + DomainModel.crawl_interval * 60 <= current_timestamp
-                # )
                domains = session.exec(stmt).all()

                for domain_model in domains:
@ -234,6 +233,26 @@ class CrawlEngine:
                    #     f"https://www.baidu.com/s?wd=site%3A{domain}&gpc=stf%3D{start_time}%2C{end_time}%7Cstftype%3D1&pn={(current_page - 1) * 10}")
                    # tab.get(f"https://www.baidu.com/s?wd=site%3A{domain}&pn={(current_page - 1) * 10}")

+                    # 检查一下当前的URL是不是跳到验证码的页面
+                    if "//wappass.baidu.com/static/captcha/tuxing_v2.html" in tab.url:
+                        logger.warning("触发验证码了，尝试识别")
+                        idx = 0
+                        while idx < 3:
+                            idx += 1
+                            logger.debug(f"开始第{idx}次识别...")
+                            captcha_result = self.verify_captcha(tab.url)
+                            if not captcha_result:
+                                tab.refresh()
+                                continue
+                            else:
+                                tab.get(captcha_result)
+                                break
+                        else:
+                            logger.error("验证码打码失败，放弃本次采集，等待3分钟后继续")
+                            self.ev.wait(180)
+                            break
+
+
                    # 终止条件
                    if current_page > max_page and max_page:
                        logger.debug(f"{threading.current_thread().name} 达到指定页码，退出")
@ -314,3 +333,169 @@ class CrawlEngine:
            )
            session.add(example)
            session.commit()
+
+    # def captcha_listener(self):
+    #     for pkg in self.tab.listen.steps():
+    #         if "/cap/init" in pkg.url:
+    #             self.captcha_data["init"] = pkg.response.body
+    #         if "/cap/style" in pkg.url:
+    #             self.captcha_data["style"] = pkg.response.body
+    #             self.captcha_data["referer"] = pkg.request.headers.get("Referer")
+    #             logger.debug(f"触发验证码的 referer: {self.captcha_data["referer"]}")
+    #
+    #             self.captcha_data["cookie"] = pkg.request.headers.get("Cookie")
+    #             logger.debug(f"触发验证码的 cookie: {self.captcha_data['cookie']}")
+    #         if "/cap/log" in pkg.url:
+    #             self.captcha_data["log"] = pkg.response.body
+
+    def verify_captcha(self, current_url: str):
+        """尝试识别验证码，因为和 pc_reporter 的逻辑有点区别，所以单独写一遍"""
+        headers = {
+            'Accept': 'application/json, text/javascript, */*; q=0.01',
+            'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8,en-US;q=0.7,zh-TW;q=0.6',
+            'Cache-Control': 'no-cache',
+            'Connection': 'keep-alive',
+            'Pragma': 'no-cache',
+            'Referer': current_url,
+            'Sec-Fetch-Dest': 'empty',
+            'Sec-Fetch-Mode': 'cors',
+            'Sec-Fetch-Site': 'same-origin',
+            'User-Agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 Edg/135.0.0.0",
+            'X-Requested-With': 'XMLHttpRequest',
+            'sec-ch-ua_wap': '"Not(A:Brand";v="99", "Google Chrome";v="133", "Chromium";v="133"',
+            'sec-ch-ua_wap-mobile': '?0',
+            'sec-ch-ua_wap-platform': '"Windows"',
+            # "Cookie": self.captcha_data["cookie"],
+        }
+
+        # 解出AS / TK
+        ts = time.time()
+        ts1 = int(ts)
+        ts2 = int(ts * 1000)
+        response = requests.post(
+            "https://passport.baidu.com/cap/init",
+            data={
+                "_": ts2,
+                "refer": re.sub(r'timestamp=\d+', f'timestamp={ts1}', current_url),
+                "ak": "c27bbc89afca0463650ac9bde68ebe06",
+                "ver": "2",
+                "scene": "",
+                "ds": "",
+                "tk": "",
+                "as": "",
+                "reinit": 0
+            },
+            headers=headers,
+            proxies=get_proxies()
+        ).json()
+        as_value = response["data"]["as"]
+        tk_value = response["data"]["tk"]
+
+        # 解出 style
+        response = requests.post(
+            "https://passport.baidu.com/cap/style",
+            data={
+                "_": int(time.time() * 1000),
+                "refer": re.sub(r'timestamp=\d+', f'timestamp={ts1}', current_url),
+                "ak": "c27bbc89afca0463650ac9bde68ebe06",
+                "tk": tk_value,
+                "scene": "",
+                "isios": "0",
+                "type": "spin",
+                "ver": "2"
+            },
+            headers=headers,
+            proxies=get_proxies()
+        )
+        logger.debug(f"{response.content=}")
+        response = response.json()
+        backstr = response["data"]["backstr"]
+        captcha_link = response["data"]["captchalist"][0]["source"]["back"]["path"]
+
+        # 下载验证码图片
+        image_response = requests.get(captcha_link, headers=headers, proxies=get_proxies())
+        with open("captcha.png", "wb") as f:
+            f.write(image_response.content)
+        logger.debug("download captcha.png")
+
+        # 识别验证码
+        ydm = YdmVerify()
+        with open("captcha.png", "rb") as fp:
+            picture = fp.read()
+
+        slide_distance = ydm.rotate(picture)
+        logger.debug(f"{slide_distance=}")
+        if not slide_distance:
+            logger.error("识别验证码失败")
+            return None
+        rotate_angle_rate = round(slide_distance / 360, 2)
+        logger.debug(f"{rotate_angle_rate=}")
+
+        if not rotate_angle_rate:
+            logger.debug("识别验证码失败")
+            return None
+
+        # 发送验证码请求
+        time_log = str(int(time.time() * 1000))
+        with open("./js/mkd_v2_link_submit.js", 'r', encoding='utf-8') as f:
+            ds_js = f.read()
+        fs = execjs.compile(ds_js).call('getFs2', backstr, rotate_angle_rate, as_value)
+        data = {
+            "_": time_log,
+            "refer": current_url,
+            "ak": "c27bbc89afca0463650ac9bde68ebe06",
+            "as": as_value,
+            "scene": "",
+            "tk": tk_value,
+            "ver": "2",
+            "cv": "submit",
+            "typeid": "spin-0",
+            "fuid": "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",
+            "fs": fs
+        }
+        response = requests.post(
+            "https://passport.baidu.com/cap/log",
+            headers=headers,
+            data=data,
+            proxies=get_proxies(),
+        ).json()
+        try:
+            result = {
+                "ds": response["data"]["ds"],
+                "op": response["data"]["op"],
+                "tk": response["data"]["tk"]
+            }
+        except KeyError:
+            logger.error(f"验证码没转成功, response: {response=}")
+            time.sleep(1)
+            return None
+        logger.debug(f"{result=}")
+
+        # 检查验证码是否正确
+        if result["op"] != 1:
+            logger.error(f"op != 1, 重试")
+            return None
+
+        # 发送验证码请求 /cap/c 请求，获取待跳转的URL
+        response = requests.post(
+            "https://passport.baidu.com/cap/c?ak=c27bbc89afca0463650ac9bde68ebe06",
+            headers=headers,
+            json={
+                "tk": result["tk"],
+                "ds": result["ds"],
+                "qrsign": "",
+                "refer": current_url
+            },
+            proxies=get_proxies()
+        )
+
+        data = response.json()
+        if data["data"].get("f"):
+            logger.error(f"验证码失败: {data['data'].get('f')}")
+            return None
+        if data["data"].get("s"):
+            logger.debug("验证成功，URL：" + data["data"].get("s").get("url"))
+            url = data["data"].get("s").get("url")
+            url = url.encode("utf-8").decode("unicode-escape")
+            logger.success("解码后的URL：" + url)
+            return url
--- a/app/utils/ydm_verify.py
+++ b/app/utils/ydm_verify.py
@ -7,7 +7,7 @@ from loguru import logger

 class YdmVerify(object):
    _custom_url = "https://www.jfbym.com/api/YmServer/customApi"
-    _token = "HhUGwpI6AtQGoux36i1ZpsDv7hwGSbr1hQ0RX-HXSZE"
+    _token = "2HNCDBee_JFmXAZZanQm9I7x1sqQln9BggF1xaGtMX0"
    _headers = {
        'Content-Type': 'application/json'
    }
--- a/app/web/service/domain_service.py
+++ b/app/web/service/domain_service.py
@ -78,7 +78,7 @@ class DomainService:
                    domain=x,
                    status=DomainStatus.READY.value,
                    crawl_interval=interval,
-                    latest_crawl_time=0 if not crawl_now else int(time.time())
+                    latest_crawl_time=0 if crawl_now else int(time.time())
                ) for x in domains
            ]

--- a/tests/test_unicode.py
+++ b/tests/test_unicode.py