From de13771c8b72ee9137ca8e661beb10b80e58d1e3 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Thu, 26 Apr 2012 15:14:19 +0100 Subject: net.http.server: Make error handling overrideable via 'http-error' event --- net/http/server.lua | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'net/http/server.lua') diff --git a/net/http/server.lua b/net/http/server.lua index 4f9e1463..deaa44cd 100644 --- a/net/http/server.lua +++ b/net/http/server.lua @@ -76,7 +76,12 @@ setmetatable(events._handlers, { local handle_request; local _1, _2, _3; local function _handle_request() return handle_request(_1, _2, _3); end -local function _traceback_handler(err) log("error", "Traceback[http]: %s: %s", tostring(err), debug.traceback()); end + +local last_err; +local function _traceback_handler(err) last_err = err; log("error", "Traceback[http]: %s: %s", tostring(err), debug.traceback()); end +events.add_handler("http-error", function (error) + return "Error processing request: "..codes[error.code]..". Check your error log for more information."; +end, -1); function listener.onconnect(conn) local secure = conn:ssl() and true or nil; @@ -91,7 +96,7 @@ function listener.onconnect(conn) --handle_request(conn, request, process_next); _1, _2, _3 = conn, request, process_next; if not xpcall(_handle_request, _traceback_handler) then - conn:write("HTTP/1.0 503 Internal Server Error\r\n\r\nAn error occured during the processing of this request."); + conn:write("HTTP/1.0 500 Internal Server Error\r\n\r\n"..events.fire_event("http-error", { code = 500, private_message = last_err })); conn:close(); end else @@ -168,7 +173,7 @@ function handle_request(conn, request, finish_cb) if not request.headers.host then response.status_code = 400; response.headers.content_type = "text/html"; - response:send("400 Bad Request400 Bad Request: No Host header."); + response:send(events.fire_event("http-error", { code = 400, message = "No 'Host' header" })); else local host = request.headers.host; if host then @@ -183,6 +188,9 @@ function handle_request(conn, request, finish_cb) local result_type = type(result); if result_type == "number" then response.status_code = result; + if result >= 400 then + body = events.fire_event("http-error", { code = result }); + end elseif result_type == "string" then body = result; elseif result_type == "table" then @@ -201,7 +209,7 @@ function handle_request(conn, request, finish_cb) -- if handler not called, return 404 response.status_code = 404; response.headers.content_type = "text/html"; - response:send("404 Not Found404 Not Found: No such page."); + response:send(events.fire_event("http-error", { code = 404 })); end end function _M.send_response(response, body) -- cgit v1.2.3