new: [server] basic HTTP server for the CPE guesser

bin/server.py

@@ -0,0 +1,51 @@
+import falcon
+from wsgiref.simple_server import make_server
+import requests
+import redis
+from datetime import datetime
+import json
+
+rdb = redis.Redis(host='127.0.0.1', port=6379, db=8, decode_responses=True)
+
+
+class Search():
+    def on_post(self, req, resp):
+        ret = []
+        data_post = req.bounded_stream.read()
+        js = data_post.decode('utf-8')
+        q = json.loads(js) 
+
+        if 'query' in q:
+            pass 
+        else:
+            resp.status = falcon.HTTP_500
+            resp.media = "Missing query array or incorrect JSON format"
+            return
+
+        k=[]
+        for keyword in q['query']:
+            k.append('w:{}'.format(keyword.lower()))
+
+        maxinter = len(k)
+        cpes = []
+        for x in reversed(range(maxinter)):
+            ret = rdb.sinter(k[x])
+            cpes.append(list(ret))
+        result = set(cpes[0]).intersection(*cpes)
+
+        ranked = []
+
+        for cpe in result:
+            rank = rdb.zrank('rank:cpe', cpe)
+            ranked.append((rank, cpe))
+
+        resp.media=sorted(ranked)
+
+app = falcon.App()
+app.add_route('/search', Search())
+
+if __name__ == '__main__':
+    with make_server('', 8000, app) as httpd:
+        print('Serving on port 8000...')
+        httpd.serve_forever()
+