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122 lines
3.6 KiB
JavaScript
122 lines
3.6 KiB
JavaScript
var Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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// From prio.h
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const PR_RDWR = 0x04;
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const PR_CREATE_FILE = 0x08;
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const PR_TRUNCATE = 0x20;
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const CUR_WORK_DIR = "CurWorkD";
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Cu.import("resource://gre/modules/NetUtil.jsm");
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var gBasePath = "tests/dom/apps/tests/";
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var gMiniManifestTemplate = "signed_app_template.webapp";
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var gAppName = "Simple App";
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var gDevName = "David Clarke";
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var gDevUrl = "http://dev.url";
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function handleRequest(request, response) {
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var query = getQuery(request);
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if ("nextApp" in query) {
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setState("nextApp", query.nextApp);
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response.write("OK");
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return;
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}
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var nextApp = getState("nextApp");
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response.setHeader("Access-Control-Allow-Origin", "*", false);
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var version = ("version" in query) ? query.version : "1";
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var app = ("app" in query) ? query.app : "valid";
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var prevVersion = getState("version");
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if (version != prevVersion) {
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setState("version", version);
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}
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var packageName = (nextApp.length ? nextApp : app) + "_app_" + version + ".zip";
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setState("packageName", packageName);
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var packagePath = "/" + gBasePath + "signed/" + packageName;
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setState("packagePath", packagePath);
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var packageSize = readSize(packagePath);
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var etag = getEtag(request, version);
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if (!nextApp.length && etagMatches(request, etag)) {
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dump("Etags Match. Sending 304\n");
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response.setStatusLine(request.httpVersion, "304", "Not modified");
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return;
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}
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response.setHeader("Etag", etag, false);
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setState("nextApp", "");
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// Serve the mini-manifest corresponding to the requested app version.
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var template = gBasePath + gMiniManifestTemplate;
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response.setHeader("Content-Type",
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"application/x-web-app-manifest+json", false);
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var manifest = makeResource(template, version, packagePath, packageSize,
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gAppName, gDevName, gDevUrl);
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response.write(manifest);
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}
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function getQuery(request) {
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var query = {};
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request.queryString.split('&').forEach(function (val) {
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var [name, value] = val.split('=');
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query[decodeURIComponent(name)] = decodeURIComponent(value);
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});
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return query;
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}
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function getEtag(request, version) {
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return request.queryString.replace(/[&=]/g, '-') + '-' + version;
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}
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function etagMatches(request, etag) {
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return request.hasHeader("If-None-Match") &&
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request.getHeader("If-None-Match") == etag;
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}
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// File and resources helpers
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function readSize(path) {
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var file = Cc["@mozilla.org/file/directory_service;1"].
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getService(Ci.nsIProperties).get(CUR_WORK_DIR, Ci.nsILocalFile);
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var split = path.split("/");
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for (var i = 0; i < split.length; ++i) {
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file.append(split[i]);
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}
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return file.fileSize;
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}
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function readFile(path) {
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var file = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIProperties)
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.get(CUR_WORK_DIR, Ci.nsILocalFile);
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var fstream = Cc["@mozilla.org/network/file-input-stream;1"]
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.createInstance(Ci.nsIFileInputStream);
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var split = path.split("/");
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for (var i = 0; i < split.length; ++i) {
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file.append(split[i]);
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}
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fstream.init(file, -1, 0, 0);
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var data = NetUtil.readInputStreamToString(fstream, fstream.available());
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fstream.close();
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return data;
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}
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function makeResource(templatePath, version, packagePath, packageSize,
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appName, developerName, developerUrl) {
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var res = readFile(templatePath).
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replace(/VERSIONTOKEN/g, version).
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replace(/PACKAGEPATHTOKEN/g, packagePath).
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replace(/PACKAGESIZETOKEN/g, packageSize).
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replace(/NAMETOKEN/g, appName);
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return res;
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}
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