重构项目目录结构

modules/crawl/commoncrawl.py

@@ -0,0 +1,60 @@
+import cdx_toolkit
+from tqdm import tqdm
+
+from common.crawl import Crawl
+
+
+class CommonCrawl(Crawl):
+    def __init__(self, domain):
+        Crawl.__init__(self)
+        self.domain = domain
+        self.module = 'Crawl'
+        self.source = 'CommonCrawl'
+
+    def crawl(self, domain, limit):
+        """
+
+        :param domain:
+        :param limit:
+        """
+        self.header = self.get_header()
+        self.proxy = self.get_proxy(self.source)
+        cdx = cdx_toolkit.CDXFetcher()
+        url = f'*.{domain}/*'
+        size = cdx.get_size_estimate(url)
+        print(url, 'CommonCrawl size estimate', size)
+
+        for resp in tqdm(cdx.iter(url, limit=limit), total=limit):
+            if resp.data.get('status') not in ['301', '302']:
+                subdomains = self.match(self.register(domain), resp.text)
+                # 合并搜索子域名搜索结果
+                self.subdomains = self.subdomains.union(subdomains)
+
+    def run(self):
+        """
+        类执行入口
+        """
+        self.begin()
+        self.crawl(self.domain, 50)
+        # 爬取已发现的子域以发现新的子域
+        for subdomain in self.subdomains:
+            if subdomain != self.domain:
+                self.crawl(subdomain, 10)
+        self.finish()
+        self.save_json()
+        self.gen_result()
+        self.save_db()
+
+
+def do(domain):  # 统一入口名字 方便多线程调用
+    """
+    类统一调用入口
+
+    :param str domain: 域名
+    """
+    crawl = CommonCrawl(domain)
+    crawl.run()
+
+
+if __name__ == '__main__':
+    do('example.com')