//
["Provider", "Install"].forEach(name => {try {
    Components.utils.import(`resource://gre/modules/addons/XPI${name}.jsm`, {})
        .eval("SIGNED_TYPES.clear(); this;").eval(String.raw`"verifyZipSignedState" in this && (uuidg => {
            var signedState = AddonManager.SIGNEDSTATE_NOT_REQUIRED;
            var re = /\x06\x03U\x04\x03\x14[\s\S](\{[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\}|[a-z0-9-\._]*\@[a-z0-9-\._]+)0\x82\x02"0\r\x06\t/i;
            var bsp = Cu.getGlobalForObject(XPIProvider), til = bsp.eval("TemporaryInstallLocation");
            var getId = file => {
                var result, is = {close() {}}, sis = {close() {}};
                var uri = bsp.getURIForResourceInFile(file, "META-INF/mozilla.rsa");
                try {
                    is = Services.io.newChannelFromURIWithLoadInfo(uri, null).open();
                    sis = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(Ci.nsIScriptableInputStream);
                    sis.init(is); var str = sis.readBytes(sis.available());
                    var match = str.match(re); if (match) result = match[1];
                } catch(ex) {}
                sis.close(); is.close();
                return result || uuidg.generateUUID().toString();
            }
            verifyZipSignedState = function verifyZipSignedState(aFile, aAddon) {
                if (aAddon.id || aAddon._installLocation == til)
                    return Promise.resolve({signedState, cert: null});
                var root = !AppConstants.MOZ_REQUIRE_SIGNING && Preferences.get(PREF_XPI_SIGNATURES_DEV_ROOT, false)
                    ? Ci.nsIX509CertDB.AddonsStageRoot : Ci.nsIX509CertDB.AddonsPublicRoot;
                return new Promise(resolve => {
                    var callback = {openSignedAppFileFinished(rv, zipReader, cert) {
                        zipReader && zipReader.close();
                        resolve({signedState, cert: cert || {commonName: getId(aFile)}});
                    }};
                    gCertDB.openSignedAppFileAsync(root, aFile, callback.wrappedJSObject = callback);
                });
            }
        })(Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator));`);
} catch(ex) {}});