set correct htaccess, set SameSite=Strict correctly

.htaccess

 RewriteEngine on
 RewriteBase /
+
 # Don't rewrite if English has been chosen
-RewriteCond %{HTTP_COOKIE} ^openedx-language-preference=en$  [NC]
-RewriteRule ^/?(terms.html|privacy.html)?$ $1 [L]
+RewriteCond %{HTTP_COOKIE} ^.*openedx-language-preference=en.*$  [NC]
+RewriteRule ^/?(index.html|terms.html|privacy.html)?$ $1 [L]
 
 # Rewrite to language from cookie
-RewriteCond %{HTTP_COOKIE} ^openedx-language-preference=(ar|es|fa|fr)$  [NC]
-RewriteRule ^/?(terms.html|privacy.html)?$ /%1/$1 [L]
+RewriteCond %{HTTP_COOKIE} ^.*openedx-language-preference=(ar|fr|es|fa).*$  [NC]
+RewriteRule ^/?(index.html|terms.html|privacy.html)?$ /%1/$1 [L,R=300]
 
 # Rewrite non-English supported languages
 RewriteCond %{HTTP:Accept-Language} ^.*(ar|es|fa|fr).*$ [NC]
-RewriteRule ^/?(terms.html|privacy.html)?$ /%1/$1 [L]
+RewriteRule ^/?(index.html|terms.html|privacy.html)?$ /%1/$1 [L,R=300]

source/javascripts/index.js

@@ -66,16 +66,14 @@
     });
   });
   document.setLangCookie = function(lang) {
-     console.log("Setting lang to " + lang);
      var expiryDate = new Date();
      expiryDate = expiryDate.setMonth(expiryDate.getMonth() + 12);
      var domain = window.location.hostname;
-     var cookieParams = "domain=." + domain + ";path=/;SameSite=Strict";
+     var cookieParams = "domain=." + domain + ";path=/;SameSite=Strict;";
      if (window.location.protocol == "https") {
         cookieParams += "secure=true;"
      }
      document.cookie = "openedx-language-preference=" + lang + ";expires=" + expiryDate + ";" + cookieParams;
-     console.log("Saved document cookie" + document.cookie);
   };
 
 })(jQuery, window, document);