--- /dev/null
+local http_headers = require "resty.http_headers"
+
+local ngx_socket_tcp = ngx.socket.tcp
+local ngx_req = ngx.req
+local ngx_req_socket = ngx_req.socket
+local ngx_req_get_headers = ngx_req.get_headers
+local ngx_req_get_method = ngx_req.get_method
+local str_gmatch = string.gmatch
+local str_lower = string.lower
+local str_upper = string.upper
+local str_find = string.find
+local str_sub = string.sub
+local str_gsub = string.gsub
+local tbl_concat = table.concat
+local tbl_insert = table.insert
+local ngx_encode_args = ngx.encode_args
+local ngx_re_match = ngx.re.match
+local ngx_re_gsub = ngx.re.gsub
+local ngx_log = ngx.log
+local ngx_DEBUG = ngx.DEBUG
+local ngx_ERR = ngx.ERR
+local ngx_NOTICE = ngx.NOTICE
+local ngx_var = ngx.var
+local co_yield = coroutine.yield
+local co_create = coroutine.create
+local co_status = coroutine.status
+local co_resume = coroutine.resume
+
+
+-- http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.5.1
+local HOP_BY_HOP_HEADERS = {
+ ["connection"] = true,
+ ["keep-alive"] = true,
+ ["proxy-authenticate"] = true,
+ ["proxy-authorization"] = true,
+ ["te"] = true,
+ ["trailers"] = true,
+ ["transfer-encoding"] = true,
+ ["upgrade"] = true,
+ ["content-length"] = true, -- Not strictly hop-by-hop, but Nginx will deal
+ -- with this (may send chunked for example).
+}
+
+
+-- Reimplemented coroutine.wrap, returning "nil, err" if the coroutine cannot
+-- be resumed. This protects user code from inifite loops when doing things like
+-- repeat
+-- local chunk, err = res.body_reader()
+-- if chunk then -- <-- This could be a string msg in the core wrap function.
+-- ...
+-- end
+-- until not chunk
+local co_wrap = function(func)
+ local co = co_create(func)
+ if not co then
+ return nil, "could not create coroutine"
+ else
+ return function(...)
+ if co_status(co) == "suspended" then
+ return select(2, co_resume(co, ...))
+ else
+ return nil, "can't resume a " .. co_status(co) .. " coroutine"
+ end
+ end
+ end
+end
+
+
+local _M = {
+ _VERSION = '0.09',
+}
+_M._USER_AGENT = "lua-resty-http/" .. _M._VERSION .. " (Lua) ngx_lua/" .. ngx.config.ngx_lua_version
+
+local mt = { __index = _M }
+
+
+local HTTP = {
+ [1.0] = " HTTP/1.0\r\n",
+ [1.1] = " HTTP/1.1\r\n",
+}
+
+local DEFAULT_PARAMS = {
+ method = "GET",
+ path = "/",
+ version = 1.1,
+}
+
+
+function _M.new(self)
+ local sock, err = ngx_socket_tcp()
+ if not sock then
+ return nil, err
+ end
+ return setmetatable({ sock = sock, keepalive = true }, mt)
+end
+
+
+function _M.set_timeout(self, timeout)
+ local sock = self.sock
+ if not sock then
+ return nil, "not initialized"
+ end
+
+ return sock:settimeout(timeout)
+end
+
+
+function _M.ssl_handshake(self, ...)
+ local sock = self.sock
+ if not sock then
+ return nil, "not initialized"
+ end
+
+ self.ssl = true
+
+ return sock:sslhandshake(...)
+end
+
+
+function _M.connect(self, ...)
+ local sock = self.sock
+ if not sock then
+ return nil, "not initialized"
+ end
+
+ self.host = select(1, ...)
+ self.port = select(2, ...)
+
+ -- If port is not a number, this is likely a unix domain socket connection.
+ if type(self.port) ~= "number" then
+ self.port = nil
+ end
+
+ self.keepalive = true
+
+ return sock:connect(...)
+end
+
+
+function _M.set_keepalive(self, ...)
+ local sock = self.sock
+ if not sock then
+ return nil, "not initialized"
+ end
+
+ if self.keepalive == true then
+ return sock:setkeepalive(...)
+ else
+ -- The server said we must close the connection, so we cannot setkeepalive.
+ -- If close() succeeds we return 2 instead of 1, to differentiate between
+ -- a normal setkeepalive() failure and an intentional close().
+ local res, err = sock:close()
+ if res then
+ return 2, "connection must be closed"
+ else
+ return res, err
+ end
+ end
+end
+
+
+function _M.get_reused_times(self)
+ local sock = self.sock
+ if not sock then
+ return nil, "not initialized"
+ end
+
+ return sock:getreusedtimes()
+end
+
+
+function _M.close(self)
+ local sock = self.sock
+ if not sock then
+ return nil, "not initialized"
+ end
+
+ return sock:close()
+end
+
+
+local function _should_receive_body(method, code)
+ if method == "HEAD" then return nil end
+ if code == 204 or code == 304 then return nil end
+ if code >= 100 and code < 200 then return nil end
+ return true
+end
+
+
+function _M.parse_uri(self, uri)
+ local m, err = ngx_re_match(uri, [[^(http[s]?)://([^:/]+)(?::(\d+))?(.*)]],
+ "jo")
+
+ if not m then
+ if err then
+ return nil, "failed to match the uri: " .. uri .. ", " .. err
+ end
+
+ return nil, "bad uri: " .. uri
+ else
+ if m[3] then
+ m[3] = tonumber(m[3])
+ else
+ if m[1] == "https" then
+ m[3] = 443
+ else
+ m[3] = 80
+ end
+ end
+ if not m[4] or "" == m[4] then m[4] = "/" end
+ return m, nil
+ end
+end
+
+
+local function _format_request(params)
+ local version = params.version
+ local headers = params.headers or {}
+
+ local query = params.query or ""
+ if query then
+ if type(query) == "table" then
+ query = "?" .. ngx_encode_args(query)
+ end
+ end
+
+ -- Initialize request
+ local req = {
+ str_upper(params.method),
+ " ",
+ params.path,
+ query,
+ HTTP[version],
+ -- Pre-allocate slots for minimum headers and carriage return.
+ true,
+ true,
+ true,
+ }
+ local c = 6 -- req table index it's faster to do this inline vs table.insert
+
+ -- Append headers
+ for key, values in pairs(headers) do
+ if type(values) ~= "table" then
+ values = {values}
+ end
+
+ key = tostring(key)
+ for _, value in pairs(values) do
+ req[c] = key .. ": " .. tostring(value) .. "\r\n"
+ c = c + 1
+ end
+ end
+
+ -- Close headers
+ req[c] = "\r\n"
+
+ return tbl_concat(req)
+end
+
+
+local function _receive_status(sock)
+ local line, err = sock:receive("*l")
+ if not line then
+ return nil, nil, nil, err
+ end
+
+ return tonumber(str_sub(line, 10, 12)), tonumber(str_sub(line, 6, 8)), str_sub(line, 14)
+end
+
+
+
+local function _receive_headers(sock)
+ local headers = http_headers.new()
+
+ repeat
+ local line, err = sock:receive("*l")
+ if not line then
+ return nil, err
+ end
+
+ for key, val in str_gmatch(line, "([^:%s]+):%s*(.+)") do
+ if headers[key] then
+ if type(headers[key]) ~= "table" then
+ headers[key] = { headers[key] }
+ end
+ tbl_insert(headers[key], tostring(val))
+ else
+ headers[key] = tostring(val)
+ end
+ end
+ until str_find(line, "^%s*$")
+
+ return headers, nil
+end
+
+
+local function _chunked_body_reader(sock, default_chunk_size)
+ return co_wrap(function(max_chunk_size)
+ local max_chunk_size = max_chunk_size or default_chunk_size
+ local remaining = 0
+ local length
+
+ repeat
+ -- If we still have data on this chunk
+ if max_chunk_size and remaining > 0 then
+
+ if remaining > max_chunk_size then
+ -- Consume up to max_chunk_size
+ length = max_chunk_size
+ remaining = remaining - max_chunk_size
+ else
+ -- Consume all remaining
+ length = remaining
+ remaining = 0
+ end
+ else -- This is a fresh chunk
+
+ -- Receive the chunk size
+ local str, err = sock:receive("*l")
+ if not str then
+ co_yield(nil, err)
+ end
+
+ length = tonumber(str, 16)
+
+ if not length then
+ co_yield(nil, "unable to read chunksize")
+ end
+
+ if max_chunk_size and length > max_chunk_size then
+ -- Consume up to max_chunk_size
+ remaining = length - max_chunk_size
+ length = max_chunk_size
+ end
+ end
+
+ if length > 0 then
+ local str, err = sock:receive(length)
+ if not str then
+ co_yield(nil, err)
+ end
+
+ max_chunk_size = co_yield(str) or default_chunk_size
+
+ -- If we're finished with this chunk, read the carriage return.
+ if remaining == 0 then
+ sock:receive(2) -- read \r\n
+ end
+ else
+ -- Read the last (zero length) chunk's carriage return
+ sock:receive(2) -- read \r\n
+ end
+
+ until length == 0
+ end)
+end
+
+
+local function _body_reader(sock, content_length, default_chunk_size)
+ return co_wrap(function(max_chunk_size)
+ local max_chunk_size = max_chunk_size or default_chunk_size
+
+ if not content_length and max_chunk_size then
+ -- We have no length, but wish to stream.
+ -- HTTP 1.0 with no length will close connection, so read chunks to the end.
+ repeat
+ local str, err, partial = sock:receive(max_chunk_size)
+ if not str and err == "closed" then
+ max_chunk_size = tonumber(co_yield(partial, err) or default_chunk_size)
+ end
+
+ max_chunk_size = tonumber(co_yield(str) or default_chunk_size)
+ if max_chunk_size and max_chunk_size < 0 then max_chunk_size = nil end
+
+ if not max_chunk_size then
+ ngx_log(ngx_ERR, "Buffer size not specified, bailing")
+ break
+ end
+ until not str
+
+ elseif not content_length then
+ -- We have no length but don't wish to stream.
+ -- HTTP 1.0 with no length will close connection, so read to the end.
+ co_yield(sock:receive("*a"))
+
+ elseif not max_chunk_size then
+ -- We have a length and potentially keep-alive, but want everything.
+ co_yield(sock:receive(content_length))
+
+ else
+ -- We have a length and potentially a keep-alive, and wish to stream
+ -- the response.
+ local received = 0
+ repeat
+ local length = max_chunk_size
+ if received + length > content_length then
+ length = content_length - received
+ end
+
+ if length > 0 then
+ local str, err = sock:receive(length)
+ if not str then
+ max_chunk_size = tonumber(co_yield(nil, err) or default_chunk_size)
+ end
+ received = received + length
+
+ max_chunk_size = tonumber(co_yield(str) or default_chunk_size)
+ if max_chunk_size and max_chunk_size < 0 then max_chunk_size = nil end
+
+ if not max_chunk_size then
+ ngx_log(ngx_ERR, "Buffer size not specified, bailing")
+ break
+ end
+ end
+
+ until length == 0
+ end
+ end)
+end
+
+
+local function _no_body_reader()
+ return nil
+end
+
+
+local function _read_body(res)
+ local reader = res.body_reader
+
+ if not reader then
+ -- Most likely HEAD or 304 etc.
+ return nil, "no body to be read"
+ end
+
+ local chunks = {}
+ local c = 1
+
+ local chunk, err
+ repeat
+ chunk, err = reader()
+
+ if err then
+ return nil, err, tbl_concat(chunks) -- Return any data so far.
+ end
+ if chunk then
+ chunks[c] = chunk
+ c = c + 1
+ end
+ until not chunk
+
+ return tbl_concat(chunks)
+end
+
+
+local function _trailer_reader(sock)
+ return co_wrap(function()
+ co_yield(_receive_headers(sock))
+ end)
+end
+
+
+local function _read_trailers(res)
+ local reader = res.trailer_reader
+ if not reader then
+ return nil, "no trailers"
+ end
+
+ local trailers = reader()
+ setmetatable(res.headers, { __index = trailers })
+end
+
+
+local function _send_body(sock, body)
+ if type(body) == 'function' then
+ repeat
+ local chunk, err, partial = body()
+
+ if chunk then
+ local ok,err = sock:send(chunk)
+
+ if not ok then
+ return nil, err
+ end
+ elseif err ~= nil then
+ return nil, err, partial
+ end
+
+ until chunk == nil
+ elseif body ~= nil then
+ local bytes, err = sock:send(body)
+
+ if not bytes then
+ return nil, err
+ end
+ end
+ return true, nil
+end
+
+
+local function _handle_continue(sock, body)
+ local status, version, reason, err = _receive_status(sock)
+ if not status then
+ return nil, nil, err
+ end
+
+ -- Only send body if we receive a 100 Continue
+ if status == 100 then
+ local ok, err = sock:receive("*l") -- Read carriage return
+ if not ok then
+ return nil, nil, err
+ end
+ _send_body(sock, body)
+ end
+ return status, version, err
+end
+
+
+function _M.send_request(self, params)
+ -- Apply defaults
+ setmetatable(params, { __index = DEFAULT_PARAMS })
+
+ local sock = self.sock
+ local body = params.body
+ local headers = http_headers.new()
+
+ local params_headers = params.headers
+ if params_headers then
+ -- We assign one by one so that the metatable can handle case insensitivity
+ -- for us. You can blame the spec for this inefficiency.
+ for k,v in pairs(params_headers) do
+ headers[k] = v
+ end
+ end
+
+ -- Ensure minimal headers are set
+ if type(body) == 'string' and not headers["Content-Length"] then
+ headers["Content-Length"] = #body
+ end
+ if not headers["Host"] then
+ if (str_sub(self.host, 1, 5) == "unix:") then
+ return nil, "Unable to generate a useful Host header for a unix domain socket. Please provide one."
+ end
+ -- If we have a port (i.e. not connected to a unix domain socket), and this
+ -- port is non-standard, append it to the Host heaer.
+ if self.port then
+ if self.ssl and self.port ~= 443 then
+ headers["Host"] = self.host .. ":" .. self.port
+ elseif not self.ssl and self.port ~= 80 then
+ headers["Host"] = self.host .. ":" .. self.port
+ else
+ headers["Host"] = self.host
+ end
+ else
+ headers["Host"] = self.host
+ end
+ end
+ if not headers["User-Agent"] then
+ headers["User-Agent"] = _M._USER_AGENT
+ end
+ if params.version == 1.0 and not headers["Connection"] then
+ headers["Connection"] = "Keep-Alive"
+ end
+
+ params.headers = headers
+
+ -- Format and send request
+ local req = _format_request(params)
+ ngx_log(ngx_DEBUG, "\n", req)
+ local bytes, err = sock:send(req)
+
+ if not bytes then
+ return nil, err
+ end
+
+ -- Send the request body, unless we expect: continue, in which case
+ -- we handle this as part of reading the response.
+ if headers["Expect"] ~= "100-continue" then
+ local ok, err, partial = _send_body(sock, body)
+ if not ok then
+ return nil, err, partial
+ end
+ end
+
+ return true
+end
+
+
+function _M.read_response(self, params)
+ local sock = self.sock
+
+ local status, version, reason, err
+
+ -- If we expect: continue, we need to handle this, sending the body if allowed.
+ -- If we don't get 100 back, then status is the actual status.
+ if params.headers["Expect"] == "100-continue" then
+ local _status, _version, _err = _handle_continue(sock, params.body)
+ if not _status then
+ return nil, _err
+ elseif _status ~= 100 then
+ status, version, err = _status, _version, _err
+ end
+ end
+
+ -- Just read the status as normal.
+ if not status then
+ status, version, reason, err = _receive_status(sock)
+ if not status then
+ return nil, err
+ end
+ end
+
+
+ local res_headers, err = _receive_headers(sock)
+ if not res_headers then
+ return nil, err
+ end
+
+ -- keepalive is true by default. Determine if this is correct or not.
+ local ok, connection = pcall(str_lower, res_headers["Connection"])
+ if ok then
+ if (version == 1.1 and connection == "close") or
+ (version == 1.0 and connection ~= "keep-alive") then
+ self.keepalive = false
+ end
+ else
+ -- no connection header
+ if version == 1.0 then
+ self.keepalive = false
+ end
+ end
+
+ local body_reader = _no_body_reader
+ local trailer_reader, err = nil, nil
+ local has_body = false
+
+ -- Receive the body_reader
+ if _should_receive_body(params.method, status) then
+ local ok, encoding = pcall(str_lower, res_headers["Transfer-Encoding"])
+ if ok and version == 1.1 and encoding == "chunked" then
+ body_reader, err = _chunked_body_reader(sock)
+ has_body = true
+ else
+
+ local ok, length = pcall(tonumber, res_headers["Content-Length"])
+ if ok then
+ body_reader, err = _body_reader(sock, length)
+ has_body = true
+ end
+ end
+ end
+
+ if res_headers["Trailer"] then
+ trailer_reader, err = _trailer_reader(sock)
+ end
+
+ if err then
+ return nil, err
+ else
+ return {
+ status = status,
+ reason = reason,
+ headers = res_headers,
+ has_body = has_body,
+ body_reader = body_reader,
+ read_body = _read_body,
+ trailer_reader = trailer_reader,
+ read_trailers = _read_trailers,
+ }
+ end
+end
+
+
+function _M.request(self, params)
+ local res, err = self:send_request(params)
+ if not res then
+ return res, err
+ else
+ return self:read_response(params)
+ end
+end
+
+
+function _M.request_pipeline(self, requests)
+ for i, params in ipairs(requests) do
+ if params.headers and params.headers["Expect"] == "100-continue" then
+ return nil, "Cannot pipeline request specifying Expect: 100-continue"
+ end
+
+ local res, err = self:send_request(params)
+ if not res then
+ return res, err
+ end
+ end
+
+ local responses = {}
+ for i, params in ipairs(requests) do
+ responses[i] = setmetatable({
+ params = params,
+ response_read = false,
+ }, {
+ -- Read each actual response lazily, at the point the user tries
+ -- to access any of the fields.
+ __index = function(t, k)
+ local res, err
+ if t.response_read == false then
+ res, err = _M.read_response(self, t.params)
+ t.response_read = true
+
+ if not res then
+ ngx_log(ngx_ERR, err)
+ else
+ for rk, rv in pairs(res) do
+ t[rk] = rv
+ end
+ end
+ end
+ return rawget(t, k)
+ end,
+ })
+ end
+ return responses
+end
+
+
+function _M.request_uri(self, uri, params)
+ if not params then params = {} end
+
+ local parsed_uri, err = self:parse_uri(uri)
+ if not parsed_uri then
+ return nil, err
+ end
+
+ local scheme, host, port, path = unpack(parsed_uri)
+ if not params.path then params.path = path end
+
+ local c, err = self:connect(host, port)
+ if not c then
+ return nil, err
+ end
+
+ if scheme == "https" then
+ local verify = true
+ if params.ssl_verify == false then
+ verify = false
+ end
+ local ok, err = self:ssl_handshake(nil, host, verify)
+ if not ok then
+ return nil, err
+ end
+ end
+
+ local res, err = self:request(params)
+ if not res then
+ return nil, err
+ end
+
+ local body, err = res:read_body()
+ if not body then
+ return nil, err
+ end
+
+ res.body = body
+
+ local ok, err = self:set_keepalive()
+ if not ok then
+ ngx_log(ngx_ERR, err)
+ end
+
+ return res, nil
+end
+
+
+function _M.get_client_body_reader(self, chunksize, sock)
+ local chunksize = chunksize or 65536
+ if not sock then
+ local ok, err
+ ok, sock, err = pcall(ngx_req_socket)
+
+ if not ok then
+ return nil, sock -- pcall err
+ end
+
+ if not sock then
+ if err == "no body" then
+ return nil
+ else
+ return nil, err
+ end
+ end
+ end
+
+ local headers = ngx_req_get_headers()
+ local length = headers.content_length
+ local encoding = headers.transfer_encoding
+ if length then
+ return _body_reader(sock, tonumber(length), chunksize)
+ elseif encoding and str_lower(encoding) == 'chunked' then
+ -- Not yet supported by ngx_lua but should just work...
+ return _chunked_body_reader(sock, chunksize)
+ else
+ return nil
+ end
+end
+
+
+function _M.proxy_request(self, chunksize)
+ return self:request{
+ method = ngx_req_get_method(),
+ path = ngx_re_gsub(ngx_var.uri, "\\s", "%20", "jo") .. ngx_var.is_args .. (ngx_var.query_string or ""),
+ body = self:get_client_body_reader(chunksize),
+ headers = ngx_req_get_headers(),
+ }
+end
+
+
+function _M.proxy_response(self, response, chunksize)
+ if not response then
+ ngx_log(ngx_ERR, "no response provided")
+ return
+ end
+
+ ngx.status = response.status
+
+ -- Filter out hop-by-hop headeres
+ for k,v in pairs(response.headers) do
+ if not HOP_BY_HOP_HEADERS[str_lower(k)] then
+ ngx.header[k] = v
+ end
+ end
+
+ local reader = response.body_reader
+ repeat
+ local chunk, err = reader(chunksize)
+ if err then
+ ngx_log(ngx_ERR, err)
+ break
+ end
+
+ if chunk then
+ local res, err = ngx.print(chunk)
+ if not res then
+ ngx_log(ngx_ERR, err)
+ break
+ end
+ end
+ until not chunk
+end
+
+
+return _M
---[[
+-- Copyright 2016 Huawei Technologies Co., Ltd.
- Copyright 2016 2015-2016 ZTE, Inc. and others. All rights reserved.
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
+-- http://www.apache.org/licenses/LICENSE-2.0
- http://www.apache.org/licenses/LICENSE-2.0
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+auth_url = '/openoapi/auth/v1';
+auth_token_url = auth_url..'/tokens';
+auth_token_key = "X-Auth-Token";
+redirect_url = "/openoui/auth/v1/login/html/login.html"
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
+white_list= {
+ auth_token_url,
+ redirect_url,
+ '/openoui/auth/v1/login/'
+};
- Author: Zhaoxing Meng
- email: meng.zhaoxing1@zte.com.cn
+function verify_value(value)
+ if (nil == value or 0 == #value)
+ then
+ return false;
+ else
+ return true;
+ end
+end
+
+--[[checks str2 starts with str1]]--
+function starts_with(str1, str2)
+ return string.sub(str2, 1, string.len(str1)) == str1;
+end
+
+-- Check and ignore the request if it is from auth module.--
+function is_white_list(url)
+ for i, value in ipairs(white_list)
+ do
+ if (starts_with(value, url))
+ then
+ return true;
+ end
+ end
+ return false;
+end
+
+-- Check and ignore the request if it is from auth module.
+-- function is_auth_request(url)
+
+-- return string.sub(url, 1, string.len(auth_url)) == auth_url;
+-- end
+
+function set_header(tokens)
+ for key,value in pairs(tokens)
+ do
+ ngx.log (ngx.ERR, "Headers: ", key, value);
+ ngx.req.set_header(key, value);
+ end
+
+end
+--[[ validates the token with auth ]]--
+function validate_token(tokens)
+ -- auth expects the token in header.
+ set_header(tokens);
+ -- call auth token check url to validate.
+ local res = ngx.location.capture(auth_token_url, { method = ngx.HTTP_HEAD});
+ ngx.log (ngx.ERR, "Auth Result:", res.status);
+ if (nil == res)
+ then
+ return false;
+ end
+ return (ngx.HTTP_OK == res.status);
+end
+
+--[[ get auth token from cookies ]]--
+function get_cookies()
+ local cookie_name = "cookie_"..auth_token_key;
+ local auth_token = ngx.var[cookie_name];
+ local tokens = {};
+ -- verify whether its empty or null.
+ if (verify_value(auth_token))
+ then
+ ngx.log(ngx.ERR, "token : ", auth_token );
+ tokens[auth_token_key] = auth_token;
+ end
+ return tokens;
+end
+
+function get_service_url()
+ -- get host.
+ local host = ngx.var.host;
+ --get port
+ local port = ":"..ngx.var.server_port;
+ local proto = "";
+ --get protocol
+ if (ngx.var.https == "on")
+ then
+ proto = "https://";
+ else
+ proto = "http://";
+ end
+ --get url
+ local uri = ngx.var.rui;
+ --form complete service url.
+ --local complete_url = proto..host..port..url
+ local complete_url = uri;
+ local service = "?service="
+ --add arguments if any.
+ if ngx.var.args ~= nil
+ then
+ complete_url = complete_url.."?"..ngx.var.args;
+ end
+ ngx.log(ngx.ERR, "service url : ", complete_url);
+ return service..ngx.escape_uri(complete_url);
+end
-]]
-local _M = {}
-_M._VERSION = '1.0.0'
+function redirect(url)
+ local service = get_service_url();
+ ngx.log(ngx.ERR, "redirect: ", url..service);
+ ngx.redirect(url..service);
+end
+
+ngx.log(ngx.ERR, "==============start check token===============: ");
+local url = ngx.var.uri;
+ngx.log(ngx.ERR, "Url : ", url);
-function _M.access()
- --add your own code here
- ngx.log(ngx.INFO, "running auth plugin")
+-- ignore token validation if auth request.
+if (is_white_list(url))
+then
+ return;
end
-return _M
\ No newline at end of file
+
+
+-- get auth token from cookies.
+local auth_tokens = get_cookies();
+
+-- check if auth token is empty,
+-- redirect it to login page in that case.
+if (nil == next(auth_tokens))
+then
+ ngx.log(ngx.ERR, "Token Invalidate, redirect to ", redirect_url);
+ redirect(redirect_url);
+ return;
+end
+
+-- validate the token with auth module.
+-- continue if success, else redirect to login page.
+if(validate_token(auth_tokens))
+then
+ ngx.log(ngx.ERR, "Token Validate.");
+ return;
+else
+ redirect(redirect_url);
+end
Code Review / msb / apigateway.git / commitdiff