Cavemanon/Nginx-Lua-Anti-DDoS
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Update anti_ddos_challenge.lua

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Fix for Javascript refreshing the page before the browser has a chance to set the cookies in response.

Fix to stop Firefox browsers message "firefox prevented this page from automatically reloading"

Remove un-used junk code.
This commit is contained in:
C0nw0nk
2020-01-27 16:53:26 +00:00
committed by GitHub
parent 20d6640a27
commit e570b1ed57
1 changed files with 4 additions and 10 deletions
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14
lua/anti_ddos_challenge.lua
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@@ -456,13 +456,6 @@ local user_agent = ngx.var.http_user_agent --user agent of browser
local expected_header_status = 200 local expected_header_status = 200
local authentication_page_status_output = 503 local authentication_page_status_output = 503
local domain = ""
if host == nil then
domain = host:match("[%w%.]*%.(%w+%.%w+)") --Remove subdomains from the server_name (host) to output .domain.com
else
domain = "localhost"
end
local answer = calculate_signature(remote_addr) --create our encrypted unique identification for the user visiting the website. local answer = calculate_signature(remote_addr) --create our encrypted unique identification for the user visiting the website.
if x_auth_header == 2 then --if x-auth-header is dynamic if x_auth_header == 2 then --if x-auth-header is dynamic
@@ -634,8 +627,10 @@ local javascript_anti_ddos = [[
//end javascript puzzle //end javascript puzzle
var xhttp = new XMLHttpRequest(); var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() { xhttp.onreadystatechange = function() {
document.getElementById("status").innerHTML = "Refresh your page."; if (xhttp.readyState === 4) {
location.reload(true); document.getElementById("status").innerHTML = "Refresh your page.";
location.reload(true);
}
}; };
xhttp.open("]] .. javascript_REQUEST_TYPE .. [[", "]] .. request_uri .. [[", true); xhttp.open("]] .. javascript_REQUEST_TYPE .. [[", "]] .. request_uri .. [[", true);
]] .. javascript_REQUEST_headers .. [[ ]] .. javascript_REQUEST_headers .. [[
@@ -733,7 +728,6 @@ local anti_ddos_html_output = [[
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" /> <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" /> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
<meta name="robots" content="noindex, nofollow" /> <meta name="robots" content="noindex, nofollow" />
<meta http-equiv="refresh" content="]] .. refresh_auth+2 .. [[">
<title>]] .. title .. [[</title> <title>]] .. title .. [[</title>
<style type="text/css"> <style type="text/css">
]] .. style_sheet .. [[ ]] .. style_sheet .. [[