7 Commits

Author SHA1 Message Date
f7f14d7114 恢复端口为16025 2026-07-07 13:23:36 +08:00
ef4d26f11b 修改默认端口为16026 2026-07-07 13:20:52 +08:00
fc43e6e806 优化等待设置,支持长时间验证过程
改进:
- 页面加载等待时间上限提高到 60秒
- 添加等待 networkidle 状态逻辑
- 前端界面增加等待设置说明
- 提示用户针对验证网站设置 10-30秒等待

使用场景:
- Cloudflare 等验证网站
- 复杂加载过程网站
- 需要用户确认的页面
2026-07-05 01:32:52 +08:00
5783feb60d 集成 playwright-stealth 专业反检测插件
添加:
- playwright-stealth 反检测库
- 增强 navigator 属性模拟
- 真实 Chrome 浏览器支持(如果已安装)
- 更强的反自动化检测配置

注意:
- 某些高防护网站(如 Cloudflare)仍可能拦截
- 建议使用代理或真实 Chrome 浏览器
2026-07-05 01:28:24 +08:00
98ef180878 增强 Playwright 反爬虫检测能力
添加:
- 禁用自动化控制特征
- 真实浏览器参数配置
- 反检测脚本注入
- 地理位置等真实特征
- 更强的 User-Agent 模拟

Playwright 后端可以更好地绕过反爬虫检测
2026-07-05 00:55:09 +08:00
6b7e856e38 增强 agent-browser 反爬虫支持
- 自动设置 AGENT_BROWSER_SOCKET_DIR 环境变量
- 添加真实 User-Agent 绕过反爬虫检测
- 增加 403 错误检测和提示
- 解决 techpowerup.com 等网站拦截问题
2026-07-05 00:19:18 +08:00
ccb8479242 修复 agent-browser socket 目录权限问题
- 自动创建 /tmp/agent-browser-sockets 目录
- 设置 AGENT_BROWSER_SOCKET_DIR 环境变量
- 解决 Permission denied 错误
2026-07-05 00:12:48 +08:00
4 changed files with 331 additions and 25 deletions

43
PROJECT_SUMMARY.md Normal file
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@@ -0,0 +1,43 @@
# Web Capture API 项目
## 待推送信息
- **仓库地址**: http://121.40.164.32:12007/hz4th_coder/web-capture-api.git
- **当前版本**: v1.0.2
- **提交历史**:
- v1.0.0: 初始化项目
- v1.0.1: 修改端口为 16025
- v1.0.2: 修复 agent-browser socket 权限问题
## 操作步骤
### 1. 在 Git 平台创建仓库
请大爷登录 Git 平台 (http://121.40.164.32:12007) 并创建仓库:
- 仓库名称: `web-capture-api`
- 所属用户: `hz4th_coder`
- 可见性: 公开或私有(根据需要)
### 2. 推送代码
仓库创建后,运行以下命令:
```bash
cd /home/openclaw/.openclaw/workspace-hz4th_coder/works/web-capture-api
git push -u origin master --tags
```
## 项目功能
- 网页截图(全页或视口)
- HTML 代码提取
- 自动滚动加载动态内容
- 自定义视口大小
- Web 界面和 RESTful API
- 支持 agent-browser 和 Playwright 双后端
- Docker 部署支持
## 服务地址
- Web 界面: http://192.168.0.101:16025
- API 接口: http://192.168.0.101:16025/api/capture

206
app.py
View File

@@ -20,8 +20,17 @@ from datetime import datetime
try:
from playwright.async_api import async_playwright
PLAYWRIGHT_AVAILABLE = True
# 尝试导入 stealth 反检测
try:
from playwright_stealth import stealth_async
STEALTH_AVAILABLE = True
except ImportError:
STEALTH_AVAILABLE = False
print("⚠️ playwright-stealth 未安装,反爬虫能力降低")
except ImportError:
PLAYWRIGHT_AVAILABLE = False
STEALTH_AVAILABLE = False
print("⚠️ Playwright 未安装,请运行: pip install playwright && playwright install chromium")
# 检查 agent-browser 是否可用
def check_agent_browser():
@@ -44,6 +53,10 @@ CORS(app)
CAPTURE_DIR = Path(tempfile.gettempdir()) / "web_captures"
CAPTURE_DIR.mkdir(exist_ok=True)
# agent-browser socket 目录
os.environ.setdefault("AGENT_BROWSER_SOCKET_DIR", "/tmp/agent-browser-sockets")
Path(os.environ["AGENT_BROWSER_SOCKET_DIR"]).mkdir(exist_ok=True, parents=True)
class AgentBrowserSession:
"""agent-browser 会话管理器"""
@@ -55,12 +68,17 @@ class AgentBrowserSession:
def run(self, cmd, timeout=60000):
"""执行 agent-browser 命令"""
full_cmd = self.base_cmd + cmd
# 设置必要的环境变量
env = os.environ.copy()
env['AGENT_BROWSER_SOCKET_DIR'] = '/tmp/agent-browser-sockets'
env['AGENT_BROWSER_USER_AGENT'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
try:
result = subprocess.run(
full_cmd,
capture_output=True,
text=True,
timeout=timeout / 1000
timeout=timeout / 1000,
env=env
)
return result.returncode == 0, result.stdout, result.stderr
except subprocess.TimeoutExpired:
@@ -70,6 +88,9 @@ class AgentBrowserSession:
def open(self, url):
"""打开网页"""
# 添加反爬虫检测的 User-Agent
env = os.environ.copy()
env['AGENT_BROWSER_USER_AGENT'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
return self.run(["open", url], timeout=30000)
def set_viewport(self, width, height):
@@ -130,6 +151,9 @@ def capture_with_agent_browser(
# 打开网页
success, stdout, stderr = session.open(url)
if not success:
# 检查是否是反爬虫拦截
if "403" in stdout or "Access Denied" in stdout:
return {"success": False, "error": "网站反爬虫拦截 (403),建议使用 Playwright 后端或手动添加请求头"}
return {"success": False, "error": f"Failed to open URL: {stderr}"}
# 等待页面加载
@@ -179,36 +203,140 @@ async def capture_with_playwright(
):
"""
使用 Playwright 捕获网页
Playwright 有更强的反爬虫能力
"""
if not PLAYWRIGHT_AVAILABLE:
return {"success": False, "error": "Playwright not installed"}
return {"success": False, "error": "Playwright not installed. Run: pip install playwright && playwright install chromium"}
session_id = str(uuid.uuid4())[:8]
try:
async with async_playwright() as p:
browser = await p.chromium.launch(headless=True)
# 启动浏览器,添加反检测配置
# 尝试使用真实 Chrome如果安装了
try:
# 首先尝试使用真实 Chrome 浏览器
browser = await p.chromium.launch(
headless=True,
channel='chrome', # 使用真实 Chrome 而不是 Chromium
args=[
'--disable-blink-features=AutomationControlled',
'--disable-dev-shm-usage',
'--no-sandbox',
'--ignore-certificate-errors',
]
)
except:
# 如果没有 Chrome使用 Chromium
browser = await p.chromium.launch(
headless=True,
args=[
'--disable-blink-features=AutomationControlled',
'--disable-dev-shm-usage',
'--no-sandbox',
'--ignore-certificate-errors',
]
)
viewport_settings = viewport or {"width": 1920, "height": 1080}
# 创建上下文,模拟真实浏览器
context = await browser.new_context(
viewport={
"width": viewport_settings.get("width", 1920),
"height": viewport_settings.get("height", 1080)
},
user_agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
user_agent='Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36',
# 添加更多浏览器特征
locale='en-US',
timezone_id='America/New_York',
color_scheme='light',
has_touch=False,
is_mobile=False,
java_script_enabled=True,
accept_downloads=True,
)
# 注入反检测脚本
await context.add_init_script("""
// 移除 webdriver 标记
Object.defineProperty(navigator, 'webdriver', {
get: () => undefined
});
// 添加插件
Object.defineProperty(navigator, 'plugins', {
get: () => {
return [
{name: 'Chrome PDF Plugin', filename: 'internal-pdf-viewer', description: 'Portable Document Format'},
{name: 'Chrome PDF Viewer', filename: 'mhjfbmdgncjokjjpdkfnmlglggk', description: ''},
{name: 'Native Client', filename: 'internal-nacl-plugin', description: ''}
];
}
});
// 语言列表
Object.defineProperty(navigator, 'languages', {
get: () => ['en-US', 'en', 'zh-CN']
});
// 平台
Object.defineProperty(navigator, 'platform', {
get: () => 'Win32'
});
// 硬件并发
Object.defineProperty(navigator, 'hardwareConcurrency', {
get: () => 8
});
// 设备内存
Object.defineProperty(navigator, 'deviceMemory', {
get: () => 8
});
// Chrome 对象
window.chrome = {
runtime: {
PlatformOs: {MAC: 'mac', WIN: 'win', ANDROID: 'android', CROS: 'cros', LINUX: 'linux', OPENBSD: 'openbsd'},
PlatformArch: {ARM: 'arm', X86_32: 'x86-32', X86_64: 'x86-64'},
PlatformNaclArch: {ARM: 'arm', X86_32: 'x86-32', X86_64: 'x86-64'},
Request: function() {},
connect: function() {},
sendMessage: function() {}
},
loadTimes: function() {},
csi: function() {},
app: {}
};
""")
page = await context.new_page()
try:
await page.goto(url, wait_until="networkidle", timeout=30000)
except:
await page.goto(url, wait_until="domcontentloaded", timeout=30000)
# 应用 stealth 反检测(如果可用)
if STEALTH_AVAILABLE:
await stealth_async(page)
try:
await page.goto(url, wait_until="domcontentloaded", timeout=30000)
except Exception as e:
# 如果 domcontentloaded 超时,尝试 commit
try:
await page.goto(url, wait_until="commit", timeout=30000)
except:
pass
# 固定等待时间(用于验证、加载等过程)
if wait_time > 0:
await page.wait_for_timeout(wait_time)
# 等待页面基本稳定
try:
await page.wait_for_load_state("networkidle", timeout=5000)
except:
# networkidle 超时没关系,继续执行
pass
if scroll_times > 0:
for i in range(scroll_times):
await page.evaluate("window.scrollBy(0, 800)")
@@ -236,6 +364,59 @@ async def capture_with_playwright(
return {"success": False, "error": str(e)}
async def capture_with_cdp(
url_hint: str = "",
action: str = "screenshot",
cdp_port: int = 9222
):
"""
使用 CDP 连接到已打开的 Chrome 浏览器
用于方案三:手动验证后自动截图
"""
if not PLAYWRIGHT_AVAILABLE:
return {"success": False, "error": "Playwright not installed"}
try:
async with async_playwright() as p:
# 连接到已运行的 Chrome
browser = await p.chromium.connect_over_cdp(f"http://localhost:{cdp_port}")
# 获取所有页面
contexts = browser.contexts
result_data = []
for context in contexts:
for page in context.pages:
current_url = page.url
title = await page.title()
# 如果 URL 包含提示词或者是唯一页面
if url_hint in current_url or not url_hint:
if action == "screenshot":
temp_file = CAPTURE_DIR / f"cdp_capture_{uuid.uuid4()[:8]}.png"
await page.screenshot(path=str(temp_file), full_page=True)
result_data.append({
"url": current_url,
"title": title,
"file_path": str(temp_file)
})
elif action == "html":
html = await page.content()
result_data.append({
"url": current_url,
"title": title,
"html": html
})
if result_data:
return {"success": True, "pages": result_data}
else:
return {"success": False, "error": "No matching page found"}
except Exception as e:
return {"success": False, "error": f"CDP connection failed: {str(e)}"}
def capture_webpage(
url: str,
action: str = "screenshot",
@@ -339,7 +520,8 @@ def capture():
"full_page": false,
"viewport": {"width": 1920, "height": 1080},
"wait_time": 2000,
"backend": "auto" | "agent-browser" | "playwright"
"backend": "auto" | "agent-browser" | "playwright" | "chrome-cdp",
"cdp_port": 9222 // 用于 chrome-cdp 后端,连接到已打开的 Chrome
}
"""
data = request.get_json()
@@ -362,6 +544,8 @@ def capture():
viewport = data.get("viewport")
wait_time = int(data.get("wait_time", 2000))
backend = data.get("backend", "auto")
cdp_port = int(data.get("cdp_port", 9222))
url_hint = data.get("url_hint", "")
result = capture_webpage(
url=url,
@@ -371,7 +555,9 @@ def capture():
full_page=full_page,
viewport=viewport,
wait_time=wait_time,
backend=backend
backend=backend,
)
if not result["success"]:

69
manual_capture_guide.md Normal file
View File

@@ -0,0 +1,69 @@
# 手动 Chrome 捕获指南
## 方案三完整流程
### 1⃣ 启动真实 Chrome带调试端口
在您的本地机器或服务器上运行:
```bash
# Linux
google-chrome --remote-debugging-port=9222 https://www.techpowerup.com/gpu-specs/rtx-pro-6000-blackwell.c4272
# 或者使用已有的 Chrome 进程(需要先关闭所有 Chrome
google-chrome-stable --remote-debugging-port=9222 --user-data-dir=/tmp/chrome-debug
```
### 2⃣ 手动验证(如 Cloudflare
- 在浏览器中手动完成验证过程
- 等待页面完全加载
- 确认可以看到正常内容
### 3⃣ 连接到 Chrome 并截图
验证完成后,运行脚本:
```bash
# 连接到 Chrome 并截图
python3.12 /tmp/connect_chrome.py techpowerup
# 或者捕获当前所有页面
python3.12 /tmp/connect_chrome.py
```
### 4⃣ 查看结果
```bash
# 查看截图
ls -lh /tmp/chrome_capture_*.png
# 查看HTML
head -100 /tmp/chrome_html_0.html
```
## API 集成方案
如果需要通过 API 获取内容,可以:
1. 在服务代码中添加 CDP 连接选项
2. 用户先手动验证
3. API 连接到已验证的浏览器实例
## 注意事项
⚠️ **重要**
- Chrome 必须带 `--remote-debugging-port=9222` 启动
- 所有 Chrome 进程必须先关闭(或使用新的 user-data-dir
- 验证完成后才能运行脚本
- 截图后浏览器保持打开,可以继续使用
## 一键脚本
```bash
# 启动 Chrome 并等待用户验证
google-chrome --remote-debugging-port=9222 "https://www.techpowerup.com/gpu-specs/rtx-pro-6000-blackwell.c4272" &
echo "请在浏览器中完成验证,然后按 Enter 继续截图..."
read
python3.12 /tmp/connect_chrome.py techpowerup
```

View File

@@ -295,20 +295,21 @@
</div>
<div class="form-group">
<label>滚动设置(用于加载动态内容</label>
<label>等待设置(重要!</label>
<div class="row">
<div>
<label for="scrollTimes">滚动次数</label>
<label for="waitTime">页面加载等待(ms) ⏱️</label>
<input type="number" id="waitTime" value="2000" min="0" max="60000" step="500">
<small style="color: #666; display: block; margin-top: 4px;">某些网站需要较长验证过程,可设置为 10000-30000</small>
</div>
<div>
<label for="scrollTimes">滚动次数(可选)</label>
<input type="number" id="scrollTimes" value="0" min="0" max="20">
</div>
<div>
<label for="scrollDelay">滚动间隔(ms)</label>
<input type="number" id="scrollDelay" value="1000" min="500" max="5000" step="100">
</div>
<div>
<label for="waitTime">页面加载等待(ms)</label>
<input type="number" id="waitTime" value="2000" min="0" max="10000" step="500">
</div>
</div>
</div>
@@ -350,16 +351,23 @@
</div>
<div class="card api-docs">
<h3>📚 API 文档</h3>
<p>POST /api/capture</p>
<pre><code>{
<h3>📚 使用说明</h3>
<p><strong>重要提示:</strong></p>
<ul style="margin: 10px 0; line-height: 1.8;">
<li>⏱️ <strong>页面加载等待</strong>:某些网站需要验证过程(如 Cloudflare请设置较长时间10000-30000ms</li>
<li>🔄 <strong>滚动次数</strong>:用于加载动态内容(如微博、推特等),建议 3-5 次</li>
<li>🎯 <strong>全页截图</strong>:滚动加载后建议开启此选项</li>
</ul>
<p style="margin-top: 15px;"><strong>API 调用:</strong></p>
<pre><code>POST /api/capture
{
"url": "https://example.com",
"action": "screenshot", // 或 "html"
"scroll_times": 3,
"scroll_delay": 1000,
"full_page": true,
"viewport": {"width": 1920, "height": 1080},
"wait_time": 2000
"wait_time": 15000, // 重要!验证网站需设置较长等待
"scroll_times": 3, // 可选:加载动态内容
"scroll_delay": 1000, // 可选:滚动间隔
"full_page": true, // 可选:全页截图
"backend": "playwright" // 可选playwright 或 agent-browser
}</code></pre>
</div>
</div>
@@ -405,7 +413,7 @@
submitBtn.disabled = true;
try {
const response = await fetch('http://localhost:16025/api/capture', {
const response = await fetch('/api/capture', {
method: 'POST',
headers: {
'Content-Type': 'application/json'