diff options
Diffstat (limited to 'openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/redirect-transformer/handler.lua')
| -rw-r--r-- | openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/redirect-transformer/handler.lua | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/redirect-transformer/handler.lua b/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/redirect-transformer/handler.lua index 72e3330..f469aa0 100644 --- a/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/redirect-transformer/handler.lua +++ b/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/redirect-transformer/handler.lua @@ -1,6 +1,6 @@ --[[ - Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE) + Copyright (C) 201-2018 ZTE, Inc. and others. All rights reserved. (ZTE) Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -19,8 +19,9 @@ local BasePlugin = require "plugins.base_plugin" local msbConf = require('conf.msbinit') local log_util = require('lib.utils.log_util') +local url_matcher = require "plugins.redirect-transformer.url_matcher" local log = log_util.log - +local url_match_msb_route = url_matcher.is_match_msb_route local RedirectTransformerPluginHandler = BasePlugin:extend() function RedirectTransformerPluginHandler:new() @@ -30,13 +31,40 @@ end function RedirectTransformerPluginHandler:header_filter() RedirectTransformerPluginHandler.super.header_filter(self) local originloc = ngx.header.Location + local newloc if(originloc) then - local newloc = ngx.re.sub(originloc, "^(https|http)(.*)", ngx.var.scheme.."$2", "oi") + log("origin location:",originloc) + local patten_conform,route_match = url_match_msb_route(originloc) + if not patten_conform then + log("redirect-transformer output:","The redirect address may be outside msb, do nothing temporarily.") + return + end + + if route_match then + --if the redirect address can be forwarded by msb,then donot modify it's url + newloc = ngx.re.sub(originloc, "^(https|http)(.*)", ngx.var.scheme.."$2", "oi") + else + --if the redirect address can not be forwarded by msb,then try to modify it's url + local svc_pub_url = ngx.ctx.svc_pub_url + local svc_url = ngx.ctx.svc_url + if(svc_pub_url and svc_pub_url == "/") then + --replace $svc_url with "" + newloc = ngx.re.sub(originloc, "^(https|http)://([^/]+)"..svc_url, ngx.var.scheme.."://".."$2", "oi") + else + --replace $svc_url with $svc_pub_url + newloc = ngx.re.sub(originloc, "^(https|http)://([^/]+)"..svc_url, ngx.var.scheme.."://".."$2"..svc_pub_url, "oi") + end + end + -- replace the backend server with the host of msb + local last_peer = ngx.ctx.last_peer + if last_peer then + local backend_ip = ngx.re.gsub(last_peer.ip, "\\.", "\\.", "o") + newloc = ngx.re.sub(newloc, "^(https://|http://)"..backend_ip..":"..last_peer.port, "$1"..ngx.var.host..":"..ngx.var.server_port, "o") + end ngx.header["Location"] = newloc - log("origin Location:",originloc) - log("req scheme:",ngx.var.scheme) - log("new Location:",newloc) + log("redirect-transformer output:","replace the redirect address to :"..newloc) + ngx.log(ngx.WARN, "redirect-transformer replace the redirect address to:"..newloc, " origin location:",originloc) end end -return RedirectTransformerPluginHandler
\ No newline at end of file +return RedirectTransformerPluginHandler |