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authorMatt A. Tobin <email@mattatobin.com>2018-02-10 02:49:12 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-10 02:49:12 -0500
commit4fb11cd5966461bccc3ed1599b808237be6b0de9 (patch)
treed7f0ccd49cebb3544d52635ff1bd6ed4d763823f /toolkit/mozapps/extensions/ChromeManifestParser.jsm
parentf164d9124708b50789dbb6959e1de96cc5697c48 (diff)
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Move WebExtensions enabled Add-ons Manager
Diffstat (limited to 'toolkit/mozapps/extensions/ChromeManifestParser.jsm')
-rw-r--r--toolkit/mozapps/extensions/ChromeManifestParser.jsm157
1 files changed, 0 insertions, 157 deletions
diff --git a/toolkit/mozapps/extensions/ChromeManifestParser.jsm b/toolkit/mozapps/extensions/ChromeManifestParser.jsm
deleted file mode 100644
index 63f1db785..000000000
--- a/toolkit/mozapps/extensions/ChromeManifestParser.jsm
+++ /dev/null
@@ -1,157 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["ChromeManifestParser"];
-
-const Cc = Components.classes;
-const Ci = Components.interfaces;
-const Cr = Components.results;
-const Cu = Components.utils;
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/NetUtil.jsm");
-
-const MSG_JAR_FLUSH = "AddonJarFlush";
-
-
-/**
- * Sends local and remote notifications to flush a JAR file cache entry
- *
- * @param aJarFile
- * The ZIP/XPI/JAR file as a nsIFile
- */
-function flushJarCache(aJarFile) {
- Services.obs.notifyObservers(aJarFile, "flush-cache-entry", null);
- Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageBroadcaster)
- .broadcastAsyncMessage(MSG_JAR_FLUSH, aJarFile.path);
-}
-
-
-/**
- * Parses chrome manifest files.
- */
-this.ChromeManifestParser = {
-
- /**
- * Reads and parses a chrome manifest file located at a specified URI, and all
- * secondary manifests it references.
- *
- * @param aURI
- * A nsIURI pointing to a chrome manifest.
- * Typically a file: or jar: URI.
- * @return Array of objects describing each manifest instruction, in the form:
- * { type: instruction-type, baseURI: string-uri, args: [arguments] }
- **/
- parseSync: function(aURI) {
- function parseLine(aLine) {
- let line = aLine.trim();
- if (line.length == 0 || line.charAt(0) == '#')
- return;
- let tokens = line.split(/\s+/);
- let type = tokens.shift();
- if (type == "manifest") {
- let uri = NetUtil.newURI(tokens.shift(), null, aURI);
- data = data.concat(this.parseSync(uri));
- } else {
- data.push({type: type, baseURI: baseURI, args: tokens});
- }
- }
-
- let contents = "";
- try {
- if (aURI.scheme == "jar")
- contents = this._readFromJar(aURI);
- else
- contents = this._readFromFile(aURI);
- } catch (e) {
- // Silently fail.
- }
-
- if (!contents)
- return [];
-
- let baseURI = NetUtil.newURI(".", null, aURI).spec;
-
- let data = [];
- let lines = contents.split("\n");
- lines.forEach(parseLine.bind(this));
- return data;
- },
-
- _readFromJar: function(aURI) {
- let data = "";
- let entries = [];
- let readers = [];
-
- try {
- // Deconstrict URI, which can be nested jar: URIs.
- let uri = aURI.clone();
- while (uri instanceof Ci.nsIJARURI) {
- entries.push(uri.JAREntry);
- uri = uri.JARFile;
- }
-
- // Open the base jar.
- let reader = Cc["@mozilla.org/libjar/zip-reader;1"].
- createInstance(Ci.nsIZipReader);
- reader.open(uri.QueryInterface(Ci.nsIFileURL).file);
- readers.push(reader);
-
- // Open the nested jars.
- for (let i = entries.length - 1; i > 0; i--) {
- let innerReader = Cc["@mozilla.org/libjar/zip-reader;1"].
- createInstance(Ci.nsIZipReader);
- innerReader.openInner(reader, entries[i]);
- readers.push(innerReader);
- reader = innerReader;
- }
-
- // First entry is the actual file we want to read.
- let zis = reader.getInputStream(entries[0]);
- data = NetUtil.readInputStreamToString(zis, zis.available());
- }
- finally {
- // Close readers in reverse order.
- for (let i = readers.length - 1; i >= 0; i--) {
- readers[i].close();
- flushJarCache(readers[i].file);
- }
- }
-
- return data;
- },
-
- _readFromFile: function(aURI) {
- let file = aURI.QueryInterface(Ci.nsIFileURL).file;
- if (!file.exists() || !file.isFile())
- return "";
-
- let data = "";
- let fis = Cc["@mozilla.org/network/file-input-stream;1"].
- createInstance(Ci.nsIFileInputStream);
- try {
- fis.init(file, -1, -1, false);
- data = NetUtil.readInputStreamToString(fis, fis.available());
- } finally {
- fis.close();
- }
- return data;
- },
-
- /**
- * Detects if there were any instructions of a specified type in a given
- * chrome manifest.
- *
- * @param aManifest
- * Manifest data, as returned by ChromeManifestParser.parseSync().
- * @param aType
- * Instruction type to filter by.
- * @return True if any matching instructions were found in the manifest.
- */
- hasType: function(aManifest, aType) {
- return aManifest.some(entry => entry.type == aType);
- }
-};