kopia lustrzana https://github.com/c9/core
106 wiersze
3.6 KiB
JavaScript
106 wiersze
3.6 KiB
JavaScript
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define(function(require, exports, module) {
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"use strict";
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main.consumes = ["Plugin", "vfs.cache", "connect"];
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main.provides = ["vfs.fetchcache"];
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return main;
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function main(options, imports, register) {
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var Plugin = imports.Plugin;
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var cache = imports["vfs.cache"];
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var error = require("http-error");
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var Path = require("path");
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var async = require("async");
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/***** Initialization *****/
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var plugin = new Plugin("Ajax.org", main.consumes);
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var compress = imports.connect.getModule().compress();
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cache.registerExtension(function(vfs, callback) {
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var restful = vfs.restful.home;
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vfs.restful.home = function(req, res, next) {
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var path = unescape(req.uri.pathname);
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if (req.method == "GET" && path.indexOf("/.c9/cache") === 0) {
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compress(req, res, function(err) {
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if (err) return next(err);
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fetchcache(vfs.vfs, vfs.vfs.env.HOME, vfs.vfsOptions, req, res, next);
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});
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}
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else
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restful(req, res, next);
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};
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callback();
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});
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function readFile(vfs, path, callback) {
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vfs.readfile(path, { encoding: "utf8" }, function(err, meta) {
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if (err)
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return callback(err);
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var data = "";
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meta.stream.on("data", function(d) {
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data += d;
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})
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var done;
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meta.stream.on("error", function(e) {
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if (done) return;
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done = true;
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callback(e);
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});
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meta.stream.on("end", function() {
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if (done) return;
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done = true;
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callback(null, data);
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});
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});
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}
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function fetchcache(vfs, root, vfsOptions, req, res, next) {
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var path = unescape(req.uri.pathname);
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// sandbox path to workspaceDir
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path = Path.join(root, path);
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// if (path.indexOf(root) !== 0)
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// return next(new error.Forbidden("Can't list files outside of the workspace"));
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// Fetch index
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readFile(vfs, Path.join(path, "index"), function(err, list){
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if (err) {
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var httpErr = new error.NotFound(err.message);
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return next(httpErr);
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}
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// Fetch each file in the index
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async.mapLimit(list.split("\n"), 50, function(p, callback){
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readFile(vfs, Path.join(path, p.replace(/\//g, "\\")), function(ignore, data){
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var json;
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try { json = JSON.parse(data); }
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catch(e) { json = { type: "file", path: p } }
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callback(null, json);
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});
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}, function(ignore, results){
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res.writeHead(200, { "Content-Type": "text/json" });
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res.write(JSON.stringify(results));
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res.end();
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});
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});
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}
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plugin.freezePublicAPI({
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// for testing only
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fetchcache: fetchcache
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});
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register(null, { "vfs.fetchcache" : plugin });
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}
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});
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