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gdm: Refactor oVirt to a generic CredentialManager interface

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Commit 4cda61a1 added support for pre-authenticated logins in
    oVirt environments. This feature prevents a user from having
    to type their password twice (once to the oVirt management machine,
    and then immediately again in the provisioned guest running gnome-shell).
    That feature is currently oVirt specific, but a similar feature would
    be useful in non-oVirt based virt farm environments.

    Toward that end, this commit generalizes the various aspects of the
    oVirt integration code, so that it can be reused in a subsequent
    commit for adding single sign on support in vmware deployments, too.

    Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/1983
This commit is contained in:
yun341
2020-01-04 00:31:15 +08:00
parent 75235624b2
commit 809f820cd4
5 changed files with 64 additions and 39 deletions
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45
js/gdm/util.js
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@ -24,7 +24,6 @@ Gio._promisify(Gdm.UserVerifierProxy.prototype,
var PASSWORD_SERVICE_NAME = 'gdm-password';
var FINGERPRINT_SERVICE_NAME = 'gdm-fingerprint';
var SMARTCARD_SERVICE_NAME = 'gdm-smartcard';
var OVIRT_SERVICE_NAME = 'gdm-ovirtcred';
var FADE_ANIMATION_TIME = 160;
var CLONE_FADE_ANIMATION_TIME = 250;
@ -160,13 +159,19 @@ var ShellUserVerifier = class {
this._failCounter = 0;
this._oVirtCredentialsManager = OVirt.getOVirtCredentialsManager();
this._credentialManagers = {};
this._credentialManagers[OVirt.SERVICE_NAME] = OVirt.getOVirtCredentialsManager();
if (this._oVirtCredentialsManager.hasToken())
this._oVirtUserAuthenticated(this._oVirtCredentialsManager.getToken());
for (let service in this._credentialManagers) {
if (this._credentialManagers[service].token) {
this._onCredentialManagerAuthenticated(this._credentialManagers[service],
this._credentialManagers[service].token);
}
this._oVirtUserAuthenticatedId = this._oVirtCredentialsManager.connect('user-authenticated',
this._oVirtUserAuthenticated.bind(this));
this._credentialManagers[service]._authenticatedSignalId =
this._credentialManagers[service].connect('user-authenticated',
this._onCredentialManagerAuthenticated.bind(this));
}
}
begin(userName, hold) {
@ -222,8 +227,11 @@ var ShellUserVerifier = class {
this._smartcardManager.disconnect(this._smartcardRemovedId);
this._smartcardManager = null;
this._oVirtCredentialsManager.disconnect(this._oVirtUserAuthenticatedId);
this._oVirtCredentialsManager = null;
for (let service in this._credentialManagers) {
let credentialManager = this._credentialManagers[service];
credentialManager.disconnect(credentialManager._authenticatedSignalId);
credentialManager = null;
}
}
answerQuery(serviceName, answer) {
@ -311,9 +319,9 @@ var ShellUserVerifier = class {
});
}
_oVirtUserAuthenticated(_token) {
this._preemptingService = OVIRT_SERVICE_NAME;
this.emit('ovirt-user-authenticated');
_onCredentialManagerAuthenticated(credentialManager, _token) {
this._preemptingService = credentialManager.service;
this.emit('credential-manager-authenticated');
}
_checkForSmartcard() {
@ -490,9 +498,12 @@ var ShellUserVerifier = class {
if (!this.serviceIsForeground(serviceName))
return;
if (serviceName == OVIRT_SERVICE_NAME) {
// The only question asked by this service is "Token?"
this.answerQuery(serviceName, this._oVirtCredentialsManager.getToken());
let token = null;
if (this._credentialManagers[serviceName])
token = this._credentialManagers[serviceName].token;
if (token) {
this.answerQuery(serviceName, token);
return;
}
@ -560,8 +571,10 @@ var ShellUserVerifier = class {
// If the login failed with the preauthenticated oVirt credentials
// then discard the credentials and revert to default authentication
// mechanism.
if (this.serviceIsForeground(OVIRT_SERVICE_NAME)) {
this._oVirtCredentialsManager.resetToken();
let foregroundService = Object.keys(this._credentialManagers).find(service =>
this.serviceIsForeground(service));
if (foregroundService) {
this._credentialManagers[foregroundService].token = null;
this._preemptingService = null;
this._verificationFailed(false);
return;