Start on localisation ref #22

README.md

@@ -24,6 +24,7 @@ Originally inspired by a proof of concept from https://github.com/mora9715/hapro
   - Maintenance mode page for selected domains.
 - Geoip mapping support for alt-svc headers.
 - Support simple load balancing to multiple backends per domain dynamically.
+- Multiple language support with locales files (currently en-US and pt-PT).
 - Fix multiple security issues.
 - Many bugfixes.
 

docker-compose.yml

@@ -17,6 +17,7 @@ services:
       - ./src/lua/scripts/:/etc/haproxy/scripts/
       - ./src/lua/libs/:/etc/haproxy/libs/
       - ./src/js/:/etc/haproxy/js/
+      - ./src/locales/:/etc/haproxy/locales/
     environment:
       # These are the hcaptcha and recaptcha test keys, not leaking any dont worry :^)
       - HCAPTCHA_SITEKEY=20000000-ffff-ffff-ffff-000000000002

src/locales/en-US.json

@@ -0,0 +1,23 @@
+{
+	"Maintenance Mode": "Maintenance Mode",
+	"Under maintenance. Please try again soon!": "Under maintenance. Please try again soon!",
+	"Hold on...": "Hold on...",
+	"Browser does not support Web Workers.": "Browser does not support Web Workers.",
+	"Browser does not support WebAssembly.": "Browser does not support WebAssembly.",
+	"Server rejected your submission.": "Server rejected your submission.",
+	"Server encountered an error.": "Server encountered an error.",
+	"Failed to send request to server.": "Failed to send request to server.",
+	"Working, ≈%ss remaining": "Working, ≈%ss remaining",
+	"Waiting for captcha.": "Waiting for captcha.",
+	"Submitting...": "Submitting...",
+	"Performance & security by BasedFlare": "Performance & security by <a href=\"https://basedflare.com\" rel=\"noreferrer noopener\" target=\"_blank\">BasedFlare</a>",
+	"Verifying your connection to %s": "Verifying your connection to %s",
+	"This process is automatic, please wait a moment...": "This process is automatic, please wait a moment...",
+	"Please solve the captcha to continue.": "Please solve the captcha to continue.",
+	"JavaScript is required on this page.": "JavaScript is required on this page.",
+	"No JavaScript?": "No JavaScript?",
+	"Run this in a linux terminal (requires <code>argon2</code> package installed):": "Run this in a linux terminal (requires <code>argon2</code> package installed):",
+	"Run this in a linux terminal (requires <code>perl</code>):": "Run this in a linux terminal (requires <code>perl</code>):",
+	"Paste the script output into the box and submit:": "Paste the script output into the box and submit:",
+	"submit": "submit"
+}

src/locales/pt-PT.json

@@ -0,0 +1,23 @@
+{
+	"Maintenance Mode": "Modo Manutenção",
+	"Under maintenance. Please try again soon!": "Em manutenção. Tenta outra vez em breve!",
+	"Hold on...": "Aguarda...",
+	"Browser does not support Web Workers.": "Navegador não suporta Web Workers.",
+	"Browser does not support WebAssembly.": "Navegador não suporta WebAssembly.",
+	"Server rejected your submission.": "Servidor rejeitou o teu pedido.",
+	"Server encountered an error.": "Servidor encontrou um erro.",
+	"Failed to send request to server.": "Envio de pedido ao servidor falhou.",
+	"Working, ≈%ss remaining": "A trabalhar, ≈%ss para terminar",
+	"Waiting for captcha.": "À espera do captcha.",
+	"Submitting...": "A enviar...",
+	"Performance & security by BasedFlare": "Performance & segurança por <a href=\"https://basedflare.com\" rel=\"noreferrer noopener\" target=\"_blank\">BasedFlare</a>",
+	"Verifying your connection to %s": "A verificar a tua ligação a %s",
+	"This process is automatic, please wait a moment...": "Este processo é automático, por favor espera um momento...",
+	"Please solve the captcha to continue.": "Por favor resolve a captcha para continuar.",
+	"JavaScript is required on this page.": "Javascript é necessário nesta página.",
+	"No JavaScript?": "Sem Javascript?",
+	"Run this in a linux terminal (requires <code>argon2</code> package installed):": "Corre isto num terminal linux (requer package <code>argon2</code> instalada):",
+	"Run this in a linux terminal (requires <code>perl</code>):": "Corre isto num terminal linux (requer <code>perl</code>):",
+	"Paste the script output into the box and submit:": "Cola o output do script na caixa e envia:",
+	"submit": "enviar"
+}

src/lua/scripts/bot-check.lua

@@ -11,6 +11,19 @@ local cookie = require("cookie")
 local json = require("json")
 local randbytes = require("randbytes")
 local templates = require("templates")
+local locales_path = "/etc/haproxy/locales/"
+local locales_table = {}
+-- local locales_strings = {}
+for file_name in io.popen('ls "'..locales_path..'"*.json'):lines() do
+	local file_name_with_path = utils.split(file_name, "/")
+	local file_name_without_ext = utils.split(file_name_with_path[#file_name_with_path], ".")[1]
+	local file = io.open(file_name, "r")
+	local json_contents = file:read("*all")
+	local json_object = json.decode(json_contents)
+	file:close()
+	locales_table[file_name_without_ext] = json_object
+	-- locales_strings[file_name_without_ext] = json_contents
+end
 
 -- POW
 local pow_type = os.getenv("POW_TYPE") or "argon2"
@@ -74,8 +87,31 @@ function _M.kill_tor_circuit(txn)
 	utils.send_tor_control_port(circuit_identifier)
 end
 
+-- read first language from accept-language in applet
+local default_lang = "en-US"
+function _M.get_first_language(applet)
+	local accept_language = applet.headers["accept-language"] or {}
+	accept_language = accept_language[0] or ""
+	if #accept_language > 0 and #accept_language < 100 then -- length limit preventing abuse
+		for lang in accept_language:gmatch("[^,%s]+") do
+			if not lang:find(";") then
+				return lang
+			end
+		end
+	end
+end
+
+
 function _M.view(applet)
 
+	-- set the ll language var based off header or default to en-US
+	local lang = _M.get_first_language(applet)
+	local ll = locales_table[lang]
+	if ll == nil then
+		ll = locales_table[default_lang]
+		lang = default_lang
+	end
+
 	-- set response body and declare status code
 	local response_body = ""
 	local response_status_code
@@ -120,27 +156,62 @@ function _M.view(applet)
 		end
 
 		-- pow at least is always enabled when reaching bot-check page
-		site_name_body = string.format(templates.site_name_section, host)
+		site_name_body = string.format(
+			templates.site_name_section,
+			string.format(ll["Verifying your connection to %s"], host)
+		)
 		if captcha_enabled then
-			captcha_body = string.format(templates.captcha_section, captcha_classname,
-				captcha_sitekey, captcha_script_src)
+			captcha_body = string.format(
+				templates.captcha_section,
+				ll["Please solve the captcha to continue."],
+				captcha_classname,
+				captcha_sitekey,
+				captcha_script_src
+			)
 		else
-			pow_body = templates.pow_section
+			pow_body = string.format(
+				templates.pow_section,
+				ll["This process is automatic, please wait a moment..."]
+			)
 			local noscript_extra
 			if pow_type == "argon2" then
 				noscript_extra = templates.noscript_extra_argon2
 			else
 				noscript_extra = templates.noscript_extra_sha256
 			end
-			noscript_extra_body = string.format(noscript_extra, user_key,
-				challenge_hash, expiry, signature, math.ceil(pow_difficulty/8), 
-				argon_time, argon_kb)
+			noscript_extra_body = string.format(
+				noscript_extra,
+				ll["No JavaScript?"],
+				ll["Run this in a linux terminal (requires <code>perl</code>):"],
+				user_key,
+				challenge_hash,
+				expiry,
+				signature,
+				math.ceil(pow_difficulty/8),
+				argon_time,
+				argon_kb,
+				ll["Paste the script output into the box and submit:"]
+			)
 		end
 
 		-- sub in the body sections
-		response_body = string.format(templates.body, combined_challenge,
-			pow_difficulty, argon_time, argon_kb, pow_type,
-			site_name_body, pow_body, captcha_body, noscript_extra_body, ray_id)
+		response_body = string.format(
+			templates.body,
+			lang,
+			ll["Hold on..."],
+			combined_challenge,
+			pow_difficulty,
+			argon_time,
+			argon_kb,
+			pow_type,
+			site_name_body,
+			pow_body,
+			captcha_body,
+			ll["JavaScript is required on this page."],
+			noscript_extra_body,
+			ray_id,
+			ll["Performance & security by BasedFlare"]
+		)
 		response_status_code = 403
 
 	-- if request is POST, check the answer to the pow/cookie

src/lua/scripts/templates.lua

@@ -4,9 +4,9 @@ local _M = {}
 _M.body = [[
 <!DOCTYPE html>
 <html>
-	<head>
+	<head lang="%s">
 		<meta name='viewport' content='width=device-width initial-scale=1'>
-		<title>Hold on...</title>
+		<title>%s</title>
 		<style>
 :root{--text-color:#c5c8c6;--bg-color:#1d1f21}
 @media (prefers-color-scheme:light){:root{--text-color:#333;--bg-color:#fff}}
@@ -46,13 +46,13 @@ details[open]{border-left-color: #1400ff}
 		%s
 		<noscript>
 			<br>
-			<p class="red left">JavaScript is required on this page.</p>
+			<p class="red left">%s</p>
 			%s
 		</noscript>
 		<div class="powstatus"></div>
 		<footer>
 			<p>Node: <code>%s</code></p>
-			<p>Performance & security by <a href="https://basedflare.com" rel="noreferrer noopener" target="_blank">BasedFlare</a></p>
+			<p>%s</p>
 		</footer>
 	</body>
 </html>
@@ -60,16 +60,16 @@ details[open]{border-left-color: #1400ff}
 
 _M.noscript_extra_argon2 = [[
 			<details>
-				<summary>No JavaScript?</summary>
+				<summary>%s</summary>
 				<ol>
 					<li>
-						<p>Run this in a linux terminal (requires <code>argon2</code> package installed):</p>
+						<p>%s</p>
 						<code style="word-break: break-all;">
 							echo "Q0g9IiQyIjtCPSQocHJpbnRmIDAlLjBzICQoc2VxIDEgJDUpKTtlY2hvICJXb3JraW5nLi4uIjtJPTA7d2hpbGUgdHJ1ZTsgZG8gSD0kKGVjaG8gLW4gJENIJEkgfCBhcmdvbjIgJDEgLWlkIC10ICQ2IC1rICQ3IC1wIDEgLWwgMzIgLXIpO0U9JHtIOjA6JDV9O1tbICRFID09ICRCIF1dICYmIGVjaG8gIk91dHB1dDoiICYmIGVjaG8gJDEjJDIjJDMjJDQjJEkgJiYgZXhpdCAwOygoSSsrKSk7ZG9uZTsK" | base64 -d | bash -s %s %s %s %s %s %s %s
 						</code>
-					<li>Paste the script output into the box and submit:
+					<li>%s
 					<form method="post">
-						<textarea name="pow_response" placeholder="script output" required></textarea>
+						<textarea name="pow_response" required></textarea>
 						<div><input type="submit" value="submit" /></div>
 					</form>
 				</ol>
@@ -78,16 +78,16 @@ _M.noscript_extra_argon2 = [[
 
 _M.noscript_extra_sha256 = [[
 			<details>
-				<summary>No JavaScript?</summary>
+				<summary>%s</summary>
 				<ol>
 					<li>
-						<p>Run this in a linux terminal (requires <code>perl</code>):</p>
+						<p>%s</p>
 						<code style="word-break: break-all;">
 							echo "dXNlIHN0cmljdDt1c2UgRGlnZXN0OjpTSEEgcXcoc2hhMjU2X2hleCk7cHJpbnQgIldvcmtpbmcuLi4iO215JGM9IiRBUkdWWzBdIi4iJEFSR1ZbMV0iO215JGlkPSRBUkdWWzRdKzA7bXkkZD0iMCJ4JGlkO215JGk9MDt3aGlsZSgxKXtsYXN0IGlmICRkIGVxIHN1YnN0ciBzaGEyNTZfaGV4KCRjLCRpKSwwLCRpZDskaSsrfXByaW50IlxuT3V0cHV0OlxuJEFSR1ZbMF0jJEFSR1ZbMV0jJEFSR1ZbMl0jJEFSR1ZbM10jJGlcbiI=" | base64 -d | perl -w - %s %s %s %s %s %s %s
 						</code>
-					<li>Paste the script output into the box and submit:
+					<li>%s
 					<form method="post">
-						<textarea name="pow_response" placeholder="script output" required></textarea>
+						<textarea name="pow_response" required></textarea>
 						<div><input type="submit" value="submit" /></div>
 					</form>
 				</ol>
@@ -98,14 +98,14 @@ _M.noscript_extra_sha256 = [[
 _M.site_name_section = [[
 		<h3 class="pt">
 			<img src="/favicon.ico" width="64" height="64" alt=" ">
-			Verifying your connection to %s
+			%s
 		</h3>
 ]]
 
 -- animation while waiting
 _M.pow_section = [[
 		<span>
-			This process is automatic, please wait a moment...
+			%s
 		</span>
 		<div class="jsonly">
 			<div id="loader"><div class="b"></div><div class="b"></div><div class="b"></div></div>
@@ -125,7 +125,7 @@ _M.pow_section = [[
 -- message, captcha form and submit button
 _M.captcha_section = [[
 		<p>
-			Please solve the captcha to continue.
+			%s
 		</p>
 		<div id="captcha" class="jsonly">
 			<div class="%s" data-sitekey="%s" data-callback="onCaptchaSubmit"></div>