From ad8ffd222cf9edbd9ce474473dfe231c1f6afda7 Mon Sep 17 00:00:00 2001
From: Markus Heiser <markus.heiser@darmarit.de>
Date: Sun, 4 Sep 2022 09:36:01 +0200
Subject: [PATCH] [mod] option 'ui: cache_url:' to configure internet cache or
 archive

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
---
 docs/admin/engines/settings.rst    | 10 ++++++++++
 searx/settings.yml                 |  2 ++
 searx/settings_defaults.py         |  1 +
 searx/templates/simple/macros.html |  2 +-
 searx/webapp.py                    |  1 +
 5 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/docs/admin/engines/settings.rst b/docs/admin/engines/settings.rst
index f85c6a75f..b1853a11b 100644
--- a/docs/admin/engines/settings.rst
+++ b/docs/admin/engines/settings.rst
@@ -240,6 +240,7 @@ Global Settings
      query_in_title: false
      infinite_scroll: false
      center_alignment: false
+     cache_url: https://web.archive.org/web/
      default_theme: simple
      theme_args:
        simple_style: auto
@@ -267,6 +268,15 @@ Global Settings
   side of the screen.  This setting only affects the *desktop layout*
   (:origin:`min-width: @tablet <searx/static/themes/simple/src/less/definitions.less>`)
 
+.. cache_url:
+
+``cache_url`` : ``https://web.archive.org/web/``
+  URL prefix of the internet archive or cache, don't forgett trailing slash (if
+  needed).  The default is https://web.archive.org/web/ alternatives are:
+
+  - https://webcache.googleusercontent.com/search?q=cache:
+  - https://archive.today/
+
 ``default_theme`` :
   Name of the theme you want to use by default on your SearXNG instance.
 
diff --git a/searx/settings.yml b/searx/settings.yml
index 5587ed51a..96ebd9715 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -95,6 +95,8 @@ ui:
   default_theme: simple
   # center the results ?
   center_alignment: false
+  # URL prefix of the internet archive, don't forgett trailing slash (if needed).
+  # cache_url: "https://webcache.googleusercontent.com/search?q=cache:"
   # Default interface locale - leave blank to detect from browser information or
   # use codes from the 'locales' config section
   default_locale: ""
diff --git a/searx/settings_defaults.py b/searx/settings_defaults.py
index 4e06fb023..330878c1f 100644
--- a/searx/settings_defaults.py
+++ b/searx/settings_defaults.py
@@ -190,6 +190,7 @@ SCHEMA = {
         'advanced_search': SettingsValue(bool, False),
         'query_in_title': SettingsValue(bool, False),
         'infinite_scroll': SettingsValue(bool, False),
+        'cache_url': SettingsValue(str, 'https://web.archive.org/web/'),
     },
     'preferences': {
         'lock': SettingsValue(list, []),
diff --git a/searx/templates/simple/macros.html b/searx/templates/simple/macros.html
index e06157867..d9af3fbbb 100644
--- a/searx/templates/simple/macros.html
+++ b/searx/templates/simple/macros.html
@@ -42,7 +42,7 @@
 {%- macro result_sub_footer(result, proxify) -%}
 <div class="engines">
   {% for engine in result.engines %}<span>{{ engine }}</span>{% endfor %}
-  {{ result_link("https://web.archive.org/web/" + result.url, icon_small('ellipsis-vertical-outline') + _('cached'), "cache_link") }}&lrm; {% if proxify and proxify_results %} {{ result_link(proxify(result.url), icon('link') + _('proxied'), "proxyfied_link") }} {% endif %}
+  {{ result_link(cache_url + result.url, icon_small('ellipsis-vertical-outline') + _('cached'), "cache_link") }}&lrm; {% if proxify and proxify_results %} {{ result_link(proxify(result.url), icon('link') + _('proxied'), "proxyfied_link") }} {% endif %}
 </div>{{- '' -}}
 <div class="break"></div>{{- '' -}}
 {%- endmacro -%}
diff --git a/searx/webapp.py b/searx/webapp.py
index 8c2046b5c..369b2d2db 100755
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -464,6 +464,7 @@ def render(template_name: str, **kwargs):
     kwargs['image_proxify'] = image_proxify
     kwargs['proxify'] = morty_proxify if settings['result_proxy']['url'] is not None else None
     kwargs['proxify_results'] = settings['result_proxy']['proxify_results']
+    kwargs['cache_url'] = settings['ui']['cache_url']
     kwargs['get_result_template'] = get_result_template
     kwargs['opensearch_url'] = (
         url_for('opensearch')