[feat] engines: add JS-based s1search engine

searx/engines/s1search_rampjs.py

@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+"""JavaScript-based s1search implementation. See :ref:`s1search engine`.
+
+Works for all s1search sites that contain the ``__RAMPJS__`` JavaScript variable.
+"""
+
+import json
+import typing as t
+from urllib.parse import urlencode
+
+from searx.result_types import EngineResults
+from searx.utils import extr, html_to_text
+
+if t.TYPE_CHECKING:
+    from searx.search.processors import OnlineParams
+    from searx.extended_types import SXNG_Response
+
+about = {
+    "website": "https://s1search.co",
+    "official_api_documentation": None,
+    "use_official_api": False,
+    "require_api_key": False,
+    "results": "JSON",
+}
+
+categories = ["general"]
+paging = True
+
+base_url = "https://search.answers.com"
+# other working base URLs:
+# - https://search.nation.online
+# - https://search.activebeat.com
+# - https://search.legalboulevard.com
+# - https://search.walletgenius.com
+# - https://search.legalboulevard.com
+
+
+def request(query: str, params: "OnlineParams"):
+    args = {"q": query, "page": params["pageno"]}
+    params["url"] = f"{base_url}/?{urlencode(args)}"
+
+
+def response(resp: "SXNG_Response") -> EngineResults:
+    res = EngineResults()
+
+    data_raw = extr(resp.text, "response: ", " };")
+    data = json.loads(data_raw)
+
+    mainline = [s for s in data["search"]["regions"] if s["name"] == "mainline"][0]
+    for group in mainline["groups"]:
+        for result in group["results"]:
+            if not ("url" in result or "clickUrl" in result):
+                continue
+
+            res.add(
+                res.types.MainResult(
+                    url=result.get("url") or result.get("clickUrl"),
+                    title=html_to_text(result["title"]),
+                    content=html_to_text(result["description"]),
+                )
+            )
+
+    return res