gecko/dom/apps/tests/file_app.sjs

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var gBasePath = "tests/dom/apps/tests/";
var gAppTemplatePath = "tests/dom/apps/tests/file_app.template.html";
var gScriptTemplatePath = "tests/dom/apps/tests/file_script.template.js";
var gAppcacheTemplatePath = "tests/dom/apps/tests/file_cached_app.template.appcache";
var gWidgetTemplatePath = "tests/dom/apps/tests/file_widget_app.template.html";
var gDefaultIcon = "default_icon";
function makeResource(templatePath, version, apptype, role) {
let icon = getState('icon') || gDefaultIcon;
var res = readTemplate(templatePath).replace(/VERSIONTOKEN/g, version)
.replace(/APPTYPETOKEN/g, apptype)
.replace(/ICONTOKEN/g, icon)
.replace(/ROLE/g, role);
// Hack - This is necessary to make the tests pass, but hbambas says it
// shouldn't be necessary. Comment it out and watch the tests fail.
if (templatePath == gAppTemplatePath &&
(apptype == 'cached' || apptype == 'trusted')) {
res = res.replace('<html>', '<html manifest="file_app.sjs?apptype=' + apptype + '&getappcache=true">');
}
return res;
}
function handleRequest(request, response) {
var query = getQuery(request);
// If this is a version update, update state and return.
if ("setVersion" in query) {
setState('version', query.setVersion);
response.setHeader("Content-Type", "text/html", false);
response.setHeader("Access-Control-Allow-Origin", "*", false);
response.write('OK');
return;
}
if ("setIcon" in query) {
let icon = query.setIcon;
if (icon === 'DEFAULT') {
icon = null;
}
setState('icon', icon);
response.setHeader("Content-Type", "text/html", false);
response.setHeader("Access-Control-Allow-Origin", "*", false);
response.write('OK');
return;
}
// Get the app type.
var apptype = query.apptype;
if (apptype != 'hosted' && apptype != 'cached' && apptype != 'widget' && apptype != 'invalidWidget' && apptype != 'trusted')
throw "Invalid app type: " + apptype;
var role = query.role;
// Get the version from server state and handle the etag.
var version = Number(getState('version'));
var etag = getEtag(request, version);
dump("Server Etag: " + etag + "\n");
if (etagMatches(request, etag)) {
dump("Etags Match. Sending 304 for " + request.queryString + "\n");
response.setStatusLine(request.httpVersion, "304", "Not Modified");
return;
}
response.setHeader("Etag", etag, false);
if (request.hasHeader("If-None-Match"))
dump("Client Etag: " + request.getHeader("If-None-Match") + "\n");
else
dump("No Client Etag\n");
// Check if we ask for the js script used in file_app.template.html
if ("script" in query) {
dump("Sending script for " + request.queryString + "\n");
response.write(makeResource(gScriptTemplatePath, version, apptype, role));
return;
}
// Check if we're generating a webapp manifest.
if ('getmanifest' in query) {
var template = gBasePath + 'file_' + apptype + '_app.template.webapp';
response.setHeader("Content-Type", "application/x-web-app-manifest+json", false);
response.write(makeResource(template, version, apptype, role));
return;
}
// If apptype==cached, we might be generating the appcache manifest.
//
// NB: Among other reasons, we use the same sjs file here so that the version
// state is shared.
if ((apptype == 'cached' || apptype == 'trusted') &&
'getappcache' in query) {
response.setHeader("Content-Type", "text/cache-manifest", false);
response.write(makeResource(gAppcacheTemplatePath, version, apptype, role));
return;
}
else if (apptype == 'widget' || apptype == 'invalidWidget')
{
response.setHeader("Content-Type", "text/html", false);
response.write(makeResource(gWidgetTemplatePath, version, apptype, role));
return;
}
// Generate the app.
response.setHeader("Content-Type", "text/html", false);
response.write(makeResource(gAppTemplatePath, version, apptype, role));
}
function getEtag(request, version) {
return request.queryString.replace(/&/g, '-').replace(/=/g, '-') + '-' + version;
}
function etagMatches(request, etag) {
return request.hasHeader("If-None-Match") && request.getHeader("If-None-Match") == etag;
}
function getQuery(request) {
var query = {};
request.queryString.split('&').forEach(function (val) {
var [name, value] = val.split('=');
query[name] = unescape(value);
});
return query;
}
// Copy-pasted incantations. There ought to be a better way to synchronously read
// a file into a string, but I guess we're trying to discourage that.
function readTemplate(path) {
var file = Components.classes["@mozilla.org/file/directory_service;1"].
getService(Components.interfaces.nsIProperties).
get("CurWorkD", Components.interfaces.nsILocalFile);
var fis = Components.classes['@mozilla.org/network/file-input-stream;1'].
createInstance(Components.interfaces.nsIFileInputStream);
var cis = Components.classes["@mozilla.org/intl/converter-input-stream;1"].
createInstance(Components.interfaces.nsIConverterInputStream);
var split = path.split("/");
for(var i = 0; i < split.length; ++i) {
file.append(split[i]);
}
fis.init(file, -1, -1, false);
cis.init(fis, "UTF-8", 0, 0);
var data = "";
let (str = {}) {
let read = 0;
do {
read = cis.readString(0xffffffff, str); // read as much as we can and put it in str.value
data += str.value;
} while (read != 0);
}
cis.close();
return data;
}