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mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit

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Matthew Wild 2009-08-11 21:33:24 +01:00
parent 322ae8a3c5
commit 158d975fa1
1 changed files with 36 additions and 6 deletions
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42
plugins/mod_httpserver.lua
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@ -14,18 +14,48 @@ local t_concat = table.concat;
local http_base = "www_files";
local response_400 = { status = "400 Bad Request", body = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(" };
local response_404 = { status = "404 Not Found", body = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(" };
local http_path = { http_base };
local function handle_request(method, body, request)
local path = request.url.path:gsub("%.%.%/", ""):gsub("^/[^/]+", "");
http_path[2] = path;
local f, err = open(t_concat(http_path), "r");
local function preprocess_path(path)
if path:sub(1,1) ~= "/" then
path = "/"..path;
end
local level = 0;
for component in path:gmatch("([^/]+)/") do
if component == ".." then
level = level - 1;
elseif component ~= "." then
level = level + 1;
end
if level < 0 then
return nil;
end
end
return path;
end
function serve_file(path)
local f, err = open(http_base..path, "r");
if not f then return response_404; end
local data = f:read("*a");
f:close();
return data;
end
local function handle_file_request(method, body, request)
local path = preprocess_path(request.url.path);
if not path then return response_400; end
path = path:gsub("^/[^/]+", ""); -- Strip /files/
return serve_file(path);
end
local function handle_default_request(method, body, request)
local path = preprocess_path(request.url.path);
if not path then return response_400; end
return serve_file(path);
end
local ports = config.get(module.host, "core", "http_ports") or { 5280 };
httpserver.new_from_config(ports, "files", handle_request);
httpserver.set_default_handler(handle_default_request);
httpserver.new_from_config(ports, "files", handle_file_request);