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Bug 1457749: Part 2 - Update UpdateRDFConverter to use RDFDataSource.jsm. r=Mossop
MozReview-Commit-ID: HbJ3vBSBXH2 --HG-- extra : source : 7f657f4d30880395e20f990c5c97ece275a61de2
This commit is contained in:
Kris Maglione
parent
6151d7e69a
commit
03efd881e7
@ -5,155 +5,138 @@
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var EXPORTED_SYMBOLS = ["UpdateRDFConverter"];
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const PREFIX_NS_EM = "http://www.mozilla.org/2004/em-rdf#";
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ChromeUtils.defineModuleGetter(this, "RDFDataSource",
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"resource://gre/modules/addons/RDFDataSource.jsm");
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ChromeUtils.defineModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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const PREFIX_ITEM = "urn:mozilla:item:";
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const PREFIX_EXTENSION = "urn:mozilla:extension:";
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const PREFIX_THEME = "urn:mozilla:theme:";
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const TOOLKIT_ID = "toolkit@mozilla.org";
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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function EM_R(aProperty) {
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return `http://www.mozilla.org/2004/em-rdf#${aProperty}`;
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}
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XPCOMUtils.defineLazyServiceGetters(this, {
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gRDF: ["@mozilla.org/rdf/rdf-service;1", "nsIRDFService"],
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containerUtils: ["@mozilla.org/rdf/container-utils;1", "nsIRDFContainerUtils"],
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});
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function getValue(literal) {
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return literal && literal.getValue();
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}
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const RDFContainer = Components.Constructor(
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"@mozilla.org/rdf/container;1", "nsIRDFContainer", "Init");
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const RDFDataSource = Components.Constructor(
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"@mozilla.org/rdf/datasource;1?name=in-memory-datasource", "nsIRDFDataSource");
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const RDFParser = Components.Constructor(
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"@mozilla.org/rdf/xml-parser;1", "nsIRDFXMLParser");
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function getProperty(resource, property) {
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return getValue(resource.getProperty(EM_R(property)));
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}
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/**
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* Parses an RDF style update manifest into a JSON-style update
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* manifest.
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*
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* @param {XMLHttpRequest> aRequest
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* The XMLHttpRequest that has retrieved the update manifest
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* @returns {object} a JSON update manifest.
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*/
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function parseRDFManifest(aRequest) {
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function EM_R(aProp) {
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return gRDF.GetResource(PREFIX_NS_EM + aProp);
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function getBoolProperty(resource, property) {
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return getValue(resource.getProperty(EM_R(property))) == "true";
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}
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class Manifest {
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constructor(ds) {
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this.ds = ds;
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}
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function getValue(aLiteral) {
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if (aLiteral instanceof Ci.nsIRDFLiteral)
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return aLiteral.Value;
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if (aLiteral instanceof Ci.nsIRDFResource)
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return aLiteral.Value;
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if (aLiteral instanceof Ci.nsIRDFInt)
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return aLiteral.Value;
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return null;
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static loadFromString(text) {
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return new this(RDFDataSource.loadFromString(text));
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}
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function getProperty(aDs, aSource, aProperty) {
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return getValue(aDs.GetTarget(aSource, EM_R(aProperty), true));
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static loadFromBuffer(buffer) {
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return new this(RDFDataSource.loadFromBuffer(buffer));
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}
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function getBooleanProperty(aDs, aSource, aProperty) {
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let propValue = aDs.GetTarget(aSource, EM_R(aProperty), true);
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if (!propValue)
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return undefined;
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return getValue(propValue) == "true";
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static async loadFromFile(uri) {
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return new this(await RDFDataSource.loadFromFile(uri));
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}
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}
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let rdfParser = new RDFParser();
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let ds = new RDFDataSource();
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rdfParser.parseString(ds, aRequest.channel.URI, aRequest.responseText);
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class UpdateRDF extends Manifest {
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decode() {
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let addons = {};
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let result = {addons};
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let addons = {};
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let result = {addons};
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for (let addonRes of XPCOMUtils.IterSimpleEnumerator(ds.GetAllResources(), Ci.nsIRDFResource)) {
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let value = addonRes.ValueUTF8;
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let id;
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for (let prefix of [PREFIX_EXTENSION, PREFIX_THEME, PREFIX_ITEM]) {
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if (value.startsWith(prefix)) {
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id = value.substr(prefix.length);
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break;
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}
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}
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if (!id) {
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continue;
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}
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let addon = {};
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addons[id] = addon;
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let updatesTarget = ds.GetTarget(addonRes, EM_R("updates"), true);
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if (!(updatesTarget instanceof Ci.nsIRDFResource) ||
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!containerUtils.IsContainer(ds, updatesTarget)) {
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continue;
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}
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let updates = [];
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addon.updates = updates;
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let ctr = new RDFContainer(ds, updatesTarget);
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for (let item of XPCOMUtils.IterSimpleEnumerator(ctr.GetElements(),
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Ci.nsIRDFResource)) {
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let version = getProperty(ds, item, "version");
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let targetApps = ds.GetTargets(item, EM_R("targetApplication"), true);
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for (let targetApp of XPCOMUtils.IterSimpleEnumerator(targetApps,
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Ci.nsIRDFResource)) {
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let appEntry = {};
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let minVersion = getProperty(ds, targetApp, "minVersion");
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if (minVersion) {
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appEntry.strict_min_version = minVersion;
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for (let resource of this.ds.getAllResources()) {
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let id;
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let uri = resource.getURI();
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for (let prefix of [PREFIX_EXTENSION, PREFIX_THEME, PREFIX_ITEM]) {
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if (uri.startsWith(prefix)) {
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id = uri.substr(prefix.length);
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break;
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}
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}
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if (!id) {
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continue;
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}
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let maxVersion = getProperty(ds, targetApp, "maxVersion");
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if (maxVersion) {
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if (getBooleanProperty(ds, targetApp, "strictCompatibility")) {
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appEntry.strict_max_version = maxVersion;
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} else {
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appEntry.advisory_max_version = maxVersion;
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let addon = {};
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addons[id] = addon;
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let updatesProp = resource.getProperty(EM_R("updates"));
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if (!updatesProp || !updatesProp.getChildren) {
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continue;
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}
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let updates = [];
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addon.updates = updates;
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for (let item of updatesProp.getChildren()) {
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let version = getProperty(item, "version");
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for (let targetApp of item.getObjects(EM_R("targetApplication"))) {
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let appEntry = {};
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let minVersion = getProperty(targetApp, "minVersion");
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if (minVersion) {
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appEntry.strict_min_version = minVersion;
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}
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}
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let appId = getProperty(ds, targetApp, "id");
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if (!appId) {
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continue;
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}
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if (appId === TOOLKIT_ID || appId === Services.appinfo.ID) {
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appId = "gecko";
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}
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let maxVersion = getProperty(targetApp, "maxVersion");
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if (maxVersion) {
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if (getBoolProperty(targetApp, "strictCompatibility")) {
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appEntry.strict_max_version = maxVersion;
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} else {
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appEntry.advisory_max_version = maxVersion;
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}
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}
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let update = {
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applications: {[appId]: appEntry},
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};
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if (version) {
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update.version = version;
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}
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let updateLink = getProperty(ds, targetApp, "updateLink");
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if (updateLink) {
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update.update_link = updateLink;
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}
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let updateInfoURL = getProperty(ds, targetApp, "updateInfoURL");
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if (updateInfoURL) {
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update.update_info_url = updateInfoURL;
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}
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let updateHash = getProperty(ds, targetApp, "updateHash");
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if (updateHash) {
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update.update_hash = updateHash;
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}
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let appId = getProperty(targetApp, "id");
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if (!appId) {
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continue;
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}
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if (appId === TOOLKIT_ID || appId === Services.appinfo.ID) {
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appId = "gecko";
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}
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updates.push(update);
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let update = {
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applications: {[appId]: appEntry},
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};
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if (version) {
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update.version = version;
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}
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let updateLink = getProperty(targetApp, "updateLink");
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if (updateLink) {
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update.update_link = updateLink;
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}
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let updateInfoURL = getProperty(targetApp, "updateInfoURL");
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if (updateInfoURL) {
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update.update_info_url = updateInfoURL;
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}
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let updateHash = getProperty(targetApp, "updateHash");
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if (updateHash) {
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update.update_hash = updateHash;
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}
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updates.push(update);
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}
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}
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}
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}
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return result;
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return result;
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}
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}
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var UpdateRDFConverter = {
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convertToJSON(request) {
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return parseRDFManifest(request);
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return UpdateRDF.loadFromString(request.responseText).decode();
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},
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};
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