| -- This is a Lua script that handles sub-resources, e.g. resource_script_demo.lua/path/file.ext | |
| scriptUri = "resource_script_demo.lua" | |
| envVar = "resource_script_demo_storage" | |
| resourcedir = os.getenv(envVar) or "R:\\RESOURCEDIR" | |
| method = mg.request_info.request_method:upper() | |
| if resourcedir then | |
| attr = lfs.attributes(resourcedir) | |
| end | |
| if (not mg.request_info.uri:find(scriptUri)) or (not resourcedir) or (not attr) or (attr.mode~="directory") then | |
| mg.write("HTTP/1.0 500 OK\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>\r\nServer error.<br>\r\n") | |
| mg.write("The server admin must make sure this script is available as URI " .. scriptUri .. "<br>\r\n") | |
| mg.write("The server admin must set the environment variable " .. envVar .. " to a directory.<br>\r\n") | |
| mg.write("</body>\r\n</html>\r\n") | |
| return | |
| end | |
| subresource = mg.request_info.uri:match(scriptUri .. "/(.*)") | |
| if not subresource then | |
| if method=="GET" then | |
| mg.write("HTTP/1.0 200 OK\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>No resource specified.<br>resourcedir is " .. resourcedir .. "</body></html>\r\n") | |
| else | |
| mg.write("HTTP/1.0 405 Method Not Allowed\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Method not allowed.</body></html>\r\n") | |
| end | |
| return | |
| end | |
| if method=="GET" then | |
| file = resourcedir .. "/" .. subresource | |
| if lfs.attributes(file) then | |
| mg.send_file(file) | |
| else | |
| mime = mg.get_mime_type(file) | |
| mg.write("HTTP/1.0 404 Not Found\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Resource of type \"" .. mime .. "\" not found.</body></html>\r\n") | |
| end | |
| return | |
| end | |
| if method=="PUT" then | |
| file = resourcedir .. "/" .. subresource | |
| mime = mg.get_mime_type(file) | |
| if lfs.attributes(file) then | |
| mg.write("HTTP/1.0 405 Method Not Allowed\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Resource of type \"" .. mime .. "\" already exists.</body></html>\r\n") | |
| else | |
| local f = io.open(file, "w") | |
| local data = {} | |
| repeat | |
| local l = mg.read(); | |
| data[#data+1] = l; | |
| until ((l == "") or (l == nil)); | |
| f:write(table.concat(data, "")) | |
| f:close() | |
| mg.write("HTTP/1.0 200 OK\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Resource of type \"" .. mime .. "\" created.</body></html>\r\n") | |
| end | |
| return | |
| end | |
| if method=="DELETE" then | |
| file = resourcedir .. "/" .. subresource | |
| mime = mg.get_mime_type(file) | |
| if lfs.attributes(file) then | |
| os.remove(file) | |
| mg.write("HTTP/1.0 200 OK\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Resource of type \"" .. mime .. "\" deleted.</body></html>\r\n") | |
| else | |
| mime = mg.get_mime_type(file) | |
| mg.write("HTTP/1.0 404 Not Found\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Resource of type \"" .. mime .. "\" not found.</body></html>\r\n") | |
| end | |
| return | |
| end | |
| -- Any other method | |
| mg.write("HTTP/1.0 405 Method Not Allowed\r\n") | |
| mg.write("Connection: close\r\n") | |
| mg.write("Content-Type: text/html; charset=utf-8\r\n") | |
| mg.write("\r\n") | |
| mg.write("<html><head><title>Civetweb Lua script resource handling test</title></head>\r\n") | |
| mg.write("<body>Method not allowed.</body></html>\r\n") | |