1 files changed, 0 insertions, 234 deletions
diff --git a/common/cgi.lua b/common/cgi.lua
deleted file mode 100644
index 8f2acef..0000000
--- a/common/cgi.lua
+++ /dev/null
@@ -1,234 +0,0 @@
-cgi = {}
-
-cgi.none = "None"
-cgi.lax = "Lax"
-cgi.strict = "Strict"
-
--- global helpers
-function string.split(self, sep)
-	if not sep then sep = "%s" end
-
-	local t = {}
-	for match in (self .. sep):gmatch("(.-)" .. sep) do
-		table.insert(t, match)
-	end
-
-	return t
-end
-
-function string.fromhex(self)
-	return (self:gsub("..", function(cc)
-		return string.char(tonumber(cc, 16))
-	end))
-end
-
-function string.tohex(self)
-	return (self:gsub(".", function(c)
-		return string.format("%02x", string.byte(c))
-	end))
-end
-
-function cgi.encode_uri(str)
-	if str then
-		str = str:gsub("\n", "\r\n")
-		str = str:gsub("([^%w _ %- . ~])",
-			function(c) return string.format("%%%02X", string.byte(c)) end)
-		str = str:gsub(" ", "+")
-	end
-
-	return str
-end
-
-function cgi.decode_uri(str)
-	if str then
-		str = str:gsub("+", " ")
-		str = str:gsub("%%(%x%x)",
-			function(hex) return string.char(tonumber(hex, 16)) end)
-	end
-
-	return str
-end
-
-local function parse_params(dst, src)
-	for _, pair in ipairs(src:split("&")) do
-		local kv = pair:split("=")
-		local key = kv[1]
-		local value = kv[2]
-
-		dst[key] = cgi.decode_uri(value)
-	end
-end
-
-local function params_tostring(src)
-	local dst = ""
-	for k, v in pairs(src) do
-		local kv = k .. "=" .. cgi.encode_uri(v)
-		dst = dst .. kv .. "&"
-	end
-
-	return dst:sub(1, #dst - 1)
-end
-
-local function parse_cookies(dst, src)
-	for _, pair in ipairs(src:split("; ")) do
-		local kv = pair:split("=")
-		local key = kv[1]
-		local value = kv[2]
-
-		dst[key] = cgi.decode_uri(value)
-	end
-end
-
--- method
-cgi.method = os.getenv("REQUEST_METHOD")
-
--- GET/POST params
-cgi.get = {}
-cgi.post = {}
-
-if cgi.method == "GET" then
-	local get_params = os.getenv("QUERY_STRING")
-	if get_params then
-		parse_params(cgi.get, get_params)
-	end
-elseif cgi.method == "POST" then
-	local post_params = io.read("*a")
-	if post_params then
-		parse_params(cgi.post, post_params)
-	end
-end
-
--- cookies
-local cookies = {}
-
-local cookie = os.getenv("HTTP_COOKIE")
-if cookie then
-	local c = {}
-	parse_cookies(c, cookie)
-
-	for k, v in pairs(c) do
-		cookies[k] = {value = v}
-	end
-end
-
-function cgi.get_cookie(name)
-	if not cookies[name] then return nil end
-	return cookies[name].value
-end
-
-function cgi.set_cookie(name, cookie)
-	cookie._modified = true
-	cookies[name] = cookie
-end
-
--- custom headers
-function cgi.request_header(name)
-	return os.getenv("HTTP_" .. name:upper())
-end
-
-local resp_headers = {}
-local headers_complete = false
-function cgi.header(key, value)
-	if not value then
-		return false
-	end
-
-	if not headers_complete then
-		resp_headers[key] = value
-		print(key .. ": " .. value)
-	end
-
-	return not headers_complete
-end
-
--- set cookies on exit
-local function set_cookies()
-	for name, c in pairs(cookies) do
-		if c._modified then
-			local cookie = name .. "=" .. cgi.encode_uri(c.value or "")
-
-			if c.domain then
-				cookie = cookie .. "; Domain=" .. c.domain
-			end
-			if c.path then
-				cookie = cookie .. "; Path=" .. c.path
-			end
-			if c.expires then
-				cookie = cookie .. "; Expires=" .. c.expires
-			end
-			if c.http_only then
-				cookie = cookie .. "; HttpOnly"
-			end
-			if c.https_only then
-				cookie = cookie .. "; Secure"
-			end
-			if c.same_site then
-				cookie = cookie .. "; SameSite=" .. c.same_site
-			end
-
-			cgi.header("Set-Cookie", cookie)
-		end
-	end
-end
-
--- special date format
-function cgi.date(t)
-	return os.date("!%a, %d %b %Y %H:%M:%S GMT", t)
-end
-
--- (custom) content
-function cgi.content(data)
-	if not headers_complete then
-		set_cookies()
-		print()
-		headers_complete = true
-	end
-
-	if data then
-		print(data)
-	end
-
-	return not not data
-end
-
-function cgi.serve(data)
-	if data then
-		cgi.content(data)
-	else
-		cgi.status(500)
-	end
-
-	cgi.done()
-end
-
--- finish response
-function cgi.done()
-	if not headers_complete then
-		local body
-
-		local status = tonumber(resp_headers["Status"])
-		if status and status >= 400 and status < 600 then
-			-- error but no content: display error page
-			local f = io.open("/var/www/html/error/" .. tostring(status) .. ".html")
-			if f then
-				body = f:read("*a")
-				f:close()
-			end
-		end
-
-		cgi.content(body)
-	end
-
-	os.exit(0)
-end
-
--- frequently used header utilities
-function cgi.content_type(type)
-	return cgi.header("Content-Type", type)
-end
-
-function cgi.status(code)
-	return cgi.header("Status", tostring(code))
-end
-
-return cgi