## mark a section (Learn more)

function Point2ToPoint3(app) { function pop(object, key, fallback) { var value = object[key]; delete object[key]; return value || fallback; } return function(env) { var request = {}; if (env.jsgi && env.version && env.jsgi.version.toString() == "0,3") { return app(env); } // required top level var required = { method: "REQUEST_METHOD", // RFC 2616 version: "SERVER_PROTOCOL", // RFC 2616 scheme: "jsgi.url_scheme", // RFC 2616 host: "SERVER_NAME", // RFC 2616 port: "SERVER_PORT", // RFC 2616 scriptName: "SCRIPT_NAME", // RFC 3875: scriptPath? pathInfo: "PATH_INFO", // RFC 3875: extraPath? Should we normalize /../? queryString: "QUERY_STRING", // RFC 2616: query? input: "jsgi.input" }; for (var key in required) { request[key] = pop(env, required[key]); } request.port = Number(request.port); // always an integer request.version = request.version // parse, why not? .split("/")[1] // ignore "HTTP/" .split(" ")[0] // RFC 2616 allows an extension-version...huh? .split(";")[0] // RFC 2616 doesn't allow params .split(".") .map(function(i) { return Number(i); }); // optional top level var optional = { authType: "AUTH_TYPE", // authenticationType? pathTranslated: "PATH_TRANSLATED", // duplicate data, delete instead? remoteAddr: "REMOTE_ADDR", // remoteAddress? remoteHost: "REMOTE_HOST", remoteIdent: "REMOTE_IDENT", // remoteIdentity? remoteUser: "REMOTE_USER", serverSoftware: "SERVER_SOFTWARE" // is this ever useful? }; for (var key in optional) { if (env[optional[key]]) { request[key] = pop(env, optional[key]); } } // headers request.headers = {}; for (var key in env) { if (key.length > 5 && key.indexOf("HTTP_" == 0)) { var header = key.substring(5).replace(/_/g, "-").toLowerCase(); request.headers[header] = pop(env, key); } } if (env.CONTENT_TYPE) { request.headers["content-type"] = Number(pop(env, "CONTENT_TYPE")); } if (env.CONTENT_LENGTH) { request.headers["content-length"] = String(pop(env, "CONTENT_LENGTH")); } // jsgi request.jsgi = {}; delete env["jsgi.version"]; request.jsgi.version = [0, 3]; request.jsgi.errors = pop(env, "jsgi.errors"); request.jsgi.multithread = pop(env, "jsgi.multithread"); request.jsgi.multiprocess = pop(env, "jsgi.multiprocess"); request.jsgi.runonce = pop(env, "jsgi.run_once"); // runOnce? request.jsgi.async = false; // no 0.2 servers support promises, right? if (env.GATEWAY_INTERFACE) { request.jsgi.cgi = env.GATEWAY_INTERFACE .split("/")[1] // ignore "CGI/" .split(" ")[0] // ignore anything trailing .split(";")[0] // RFC 3875 doesn't allow params .split(".") .map(function(i) { return Number(i); }); delete env.GATEWAY_INTERFACE; } // env // JSGI 0.2 doesn't require an iterable env so delete everything // we know about and just stick everything else in request.env request.env = env; // TODO should we lint for changes like !scriptName.endsWith("/")? return app(request); } }

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