chg: [website] Added the possibility to specify a vendor id to the fe…

…ed of recent vulnerabilities (related to #50).

website/web/views/home.py

@@ -5,6 +5,7 @@
 import sys
 import logging
 import logging.config
+from itertools import islice
 
 from feedgen.feed import FeedGenerator  # type: ignore[import-untyped]
 from flask import (
@@ -204,7 +205,10 @@ def feed_recent(
     """RSS/ATOM feed for the rencent vulnerabilities
     per source or for all sources."""
     public_domain = get_config("generic", "public_domain")
+    # argument 'vulnerability' is used for the feed of linked vulnerabilities
     vulnerability = request.args.get("vulnerability", "")
+    # argument 'vendor' is used to generate a feed of vulnerabilities dedicated a specific vendor
+    vendor = request.args.get("vendor", "")
     page, per_page, _ = get_page_args(
         page_parameter="page", per_page_parameter="per_page"
     )
@@ -234,6 +238,15 @@ def feed_recent(
                 vulnerability
             ).items()
         ]
+    elif vendor:
+        # FIXME: improve and return sorted result
+        vendor_vulnerabilities = vulnerabilitylookup.get_vendor_vulnerabilities(vendor)
+        vulnerabilities = [
+            (vuln_id, vulnerabilitylookup.get_vulnerability(vuln_id, with_meta=False))
+            for vuln_id in islice(
+                vendor_vulnerabilities, (page * per_page) - per_page, (page * per_page)
+            )
+        ]
     else:
         vulnerabilities = vulnerabilitylookup.get_last(
             source, number=per_page, page=page