oscar and simple themes: no inline script (allow A+ Content-Security-Policy)

searx/static/themes/simple/js/searx_head/00_init.js

@@ -0,0 +1,40 @@
+/**
+* searx is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* searx is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with searx. If not, see < http://www.gnu.org/licenses/ >.
+*
+* (C) 2019 by Alexandre Flament
+*
+*/
+(function(w, d) {
+    'use strict';
+
+    // add data- properties
+    var script = d.currentScript  || (function() {
+        var scripts = d.getElementsByTagName('script');
+        return scripts[scripts.length - 1];
+    })();
+
+    // try to detect touch screen
+    w.searx = {
+        touch: (("ontouchstart" in w) || w.DocumentTouch && document instanceof DocumentTouch) || false,
+        method: script.getAttribute('data-method'),
+        autocompleter: script.getAttribute('data-autocompleter') === 'true',
+        search_on_category_select: script.getAttribute('data-search-on-category-select') === 'true',
+        infinite_scroll: script.getAttribute('data-infinite-scroll') === 'true',
+        static_path: script.getAttribute('data-static-path'),
+        no_item_found: script.getAttribute('data-no-item-found')
+    }
+
+    // update the css
+    d.getElementsByTagName("html")[0].className = (w.searx.touch)?"js touch":"js";
+})(window, document);