1 file changed, 11 insertions, 22 deletions

diff --git a/custom/extensions/auth-file.lua b/custom/extensions/auth-file.lua
index cd0f338..230aa6d 100644
--- a/custom/extensions/auth-file.lua
+++ b/custom/extensions/auth-file.lua
@@ -242,21 +242,18 @@ function get_secret()
 		-- created readable by anyone but the user cgit runs as, and
 		-- the old mask goes back on every way out.
 		local old_umask = sysstat.umask(63)
-		local temporary_filename = secret_filename .. ".tmp." ..
-			tohex(rand.bytes(16))
+		local temporary_filename = secret_filename .. ".tmp." .. tohex(rand.bytes(16))
 		local temporary_file = io.open(temporary_filename, "w")
 		if temporary_file == nil then
 			sysstat.umask(old_umask)
-			error("cgit auth: cannot create secret file " ..
-				secret_filename)
+			error("cgit auth: cannot create secret file " .. secret_filename)
 		end
 		local wrote = temporary_file:write(tohex(rand.bytes(32)))
 		local closed = temporary_file:close()
 		if not wrote or not closed then
 			os.remove(temporary_filename)
 			sysstat.umask(old_umask)
-			error("cgit auth: failed writing secret file " ..
-				secret_filename)
+			error("cgit auth: failed writing secret file " .. secret_filename)
 		end
 		-- The link is meant to fail when another worker won the race,
 		-- which leaves that worker's secret in place rather than
@@ -273,8 +270,7 @@ function get_secret()
 	secret_file:close()
 	if secret == nil or secret:len() ~= 64 then
 		secret = nil
-		error("cgit auth: secret file " .. secret_filename ..
-			" is malformed, expected 64 hex characters")
+		error("cgit auth: secret file " .. secret_filename .. " is malformed, expected 64 hex characters")
 	end
 	return secret
 end
@@ -334,10 +330,8 @@ function validate_value(expected_field, cookie)
 		return nil
 	end
 
-	local payload = field .. "|" .. value .. "|" ..
-		tostring(expiration) .. "|" .. salt
-	local expected_signature =
-		tohex(hmac.new(get_secret(), "sha256"):final(payload))
+	local payload = field .. "|" .. value .. "|" .. tostring(expiration) .. "|" .. salt
+	local expected_signature = tohex(hmac.new(get_secret(), "sha256"):final(payload))
 	if not constant_equals(signature, expected_signature) then
 		return nil
 	end
@@ -370,8 +364,7 @@ function secure_value(field, value, expiration)
 	local salt = tohex(rand.bytes(16))
 	value = url_encode(value)
 	field = url_encode(field)
-	local payload = field .. "|" .. value .. "|" ..
-		tostring(expiration) .. "|" .. salt
+	local payload = field .. "|" .. value .. "|" .. tostring(expiration) .. "|" .. salt
 	local signature = tohex(hmac.new(get_secret(), "sha256"):final(payload))
 	return payload .. "|" .. signature
 end
@@ -406,11 +399,9 @@ function set_cookie(cookie, value)
 	if value == "" then
 		attributes = attributes .. "; Max-Age=0"
 	elseif session_seconds > 0 then
-		attributes = attributes ..
-			"; Max-Age=" .. tostring(session_seconds)
+		attributes = attributes .. "; Max-Age=" .. tostring(session_seconds)
 	end
-	html("Set-Cookie: " .. cookie .. "=" ..
-		strip_controls(value) .. attributes .. "\n")
+	html("Set-Cookie: " .. cookie .. "=" .. strip_controls(value) .. attributes .. "\n")
 end
 
 function redirect_to(url)
@@ -454,8 +445,7 @@ function authenticate_post()
 	end
 
 	if ok then
-		set_cookie(cookie_name, secure_value("username", username,
-			os.time() + session_seconds))
+		set_cookie(cookie_name, secure_value("username", username, os.time() + session_seconds))
 	else
 		set_cookie(cookie_name, "")
 	end
@@ -473,8 +463,7 @@ function authenticate_cookie()
 		return 1
 	end
 
-	local username = validate_value("username",
-		get_cookie(http["cookie"], cookie_name))
+	local username = validate_value("username", get_cookie(http["cookie"], cookie_name))
 	if username == nil or not accepted_users[username:lower()] then
 		return 0
 	end