From e5214fb2992c1ef5d8bde63295d9f54dbb3daa24 Mon Sep 17 00:00:00 2001

From: Ray Strode <rstrode@redhat.com>

Date: Mon, 17 Jul 2017 16:48:03 -0400

Subject: [PATCH] gdmUtil: enable support for GDM's ChoiceList PAM extension

This commit hooks up support for GDM's ChoiceList PAM extension.

---

 js/gdm/authPrompt.js  | 74 ++++++++++++++++++++++++++++++++++++++++++-

 js/gdm/loginDialog.js |  5 +++

 js/gdm/util.js        | 28 ++++++++++++++++

 js/ui/unlockDialog.js |  9 +++++-

 4 files changed, 114 insertions(+), 2 deletions(-)

diff --git a/js/gdm/authPrompt.js b/js/gdm/authPrompt.js

index e44281117..27a55246a 100644

--- a/js/gdm/authPrompt.js

+++ b/js/gdm/authPrompt.js

@@ -9,6 +9,7 @@ const Signals = imports.signals;

 const St = imports.gi.St;

 const Animation = imports.ui.animation;

+const AuthList = imports.gdm.authList;

 const Batch = imports.gdm.batch;

 const GdmUtil = imports.gdm.util;

 const Meta = imports.gi.Meta;

@@ -61,6 +62,7 @@ var AuthPrompt = new Lang.Class({

         this._userVerifier.connect('ask-question', this._onAskQuestion.bind(this));

         this._userVerifier.connect('show-message', this._onShowMessage.bind(this));

+        this._userVerifier.connect('show-choice-list', this._onShowChoiceList.bind(this));

         this._userVerifier.connect('verification-failed', this._onVerificationFailed.bind(this));

         this._userVerifier.connect('verification-complete', this._onVerificationComplete.bind(this));

         this._userVerifier.connect('reset', this._onReset.bind(this));

@@ -123,6 +125,28 @@ var AuthPrompt = new Lang.Class({

         this.actor.add(this._timedLoginIndicator);

+        this._authList = new AuthList.AuthList();

+        this._authList.connect('activate', (list, key) => {

+            this._authList.actor.reactive = false;

+            Tweener.addTween(this._authList.actor,

+                             { opacity: 0,

+                               time: MESSAGE_FADE_OUT_ANIMATION_TIME,

+                               transition: 'easeOutQuad',

+                               onComplete: () => {

+                                   this._authList.clear();

+                                   this._authList.actor.hide();

+                                   this._userVerifier.selectChoice(this._queryingService, key);

+

+                               }

+                             });

+        });

+        this._authList.actor.hide();

+        this.actor.add(this._authList.actor,

+                       { expand: true,

+                         x_fill: true,

+                         y_fill: false,

+                         x_align: St.Align.START });

+

         this._message = new St.Label({ opacity: 0,

                                        styleClass: 'login-dialog-message' });

         this._message.clutter_text.line_wrap = true;

@@ -266,6 +290,21 @@ var AuthPrompt = new Lang.Class({

         this.emit('prompted');

     },

+    _onShowChoiceList(userVerifier, serviceName, promptMessage, choiceList) {

+        if (this._queryingService)

+            this.clear();

+

+        this._queryingService = serviceName;

+

+        if (this._preemptiveAnswer)

+            this._preemptiveAnswer = null;

+

+        this.nextButton.label = _("Next");

+        this.setChoiceList(promptMessage, choiceList);

+        this.updateSensitivity(true);

+        this.emit('prompted');

+    },

+

     _onOVirtUserAuthenticated() {

         if (this.verificationStatus != AuthPromptStatus.VERIFICATION_SUCCEEDED)

             this.reset();

@@ -394,6 +433,8 @@ var AuthPrompt = new Lang.Class({

     clear() {

         this._entry.text = '';

         this.stopSpinning();

+        this._authList.clear();

+        this._authList.actor.hide();

     },

     setPasswordChar(passwordChar) {

@@ -409,12 +450,42 @@ var AuthPrompt = new Lang.Class({

         this._label.set_text(question);

+        this._authList.actor.hide();

         this._label.show();

         this._entry.show();

         this._entry.grab_key_focus();

     },

+    _fadeInChoiceList() {

+       this._authList.actor.opacity = 0;

+       this._authList.actor.show();

+       this._authList.actor.reactive = false;

+       Tweener.addTween(this._authList.actor,

+                        { opacity: 255,

+                          time: MESSAGE_FADE_OUT_ANIMATION_TIME,

+                          transition: 'easeOutQuad',

+                          onComplete: () => {

+                              this._authList.actor.reactive = true;

+                          }

+                        });

+    },

+

+    setChoiceList(promptMessage, choiceList) {

+        this._authList.clear();

+        this._authList.label.text = promptMessage;

+        for (let key in choiceList) {

+            let text = choiceList[key];

+            this._authList.addItem(key, text);

+        }

+

+        this._label.hide();

+        this._entry.hide();

+        if (this._message.text == "")

+            this._message.hide();

+        this._fadeInChoiceList();

+    },

+

     getAnswer() {

         let text;

@@ -450,6 +521,7 @@ var AuthPrompt = new Lang.Class({

         else

             this._message.remove_style_class_name('login-dialog-message-hint');

+        this._message.show();

         if (message) {

             Tweener.removeTweens(this._message);

             this._message.text = message;

@@ -465,7 +537,7 @@ var AuthPrompt = new Lang.Class({

     },

     updateSensitivity(sensitive) {

-        this._updateNextButtonSensitivity(sensitive && (this._entry.text.length > 0 || this.verificationStatus == AuthPromptStatus.VERIFYING));

+        this._updateNextButtonSensitivity(sensitive && !this._authList.actor.visible && (this._entry.text.length > 0 || this.verificationStatus == AuthPromptStatus.VERIFYING));

         this._entry.reactive = sensitive;

         this._entry.clutter_text.editable = sensitive;

     },

diff --git a/js/gdm/loginDialog.js b/js/gdm/loginDialog.js

index 65d9edf1a..912c0e0ca 100644

--- a/js/gdm/loginDialog.js

+++ b/js/gdm/loginDialog.js

@@ -418,6 +418,11 @@ var LoginDialog = new Lang.Class({

         this._userManager = AccountsService.UserManager.get_default()

         this._gdmClient = new Gdm.Client();

+        try {

+            this._gdmClient.set_enabled_extensions([Gdm.UserVerifierChoiceList.interface_info().name]);

+        } catch(e) {

+        }

+

         this._settings = new Gio.Settings({ schema_id: GdmUtil.LOGIN_SCREEN_SCHEMA });

         this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_KEY,

diff --git a/js/gdm/util.js b/js/gdm/util.js

index f5f9d5e5d..04a0cb9bf 100644

--- a/js/gdm/util.js

+++ b/js/gdm/util.js

@@ -200,6 +200,10 @@ var ShellUserVerifier = new Lang.Class({

         if (this._userVerifier) {

             this._userVerifier.run_dispose();

             this._userVerifier = null;

+            if (this._userVerifierChoiceList) {

+                this._userVerifierChoiceList.run_dispose();

+                this._userVerifierChoiceList = null;

+            }

         }

     },

@@ -227,6 +231,10 @@ var ShellUserVerifier = new Lang.Class({

         this._oVirtCredentialsManager = null;

     },

+    selectChoice(serviceName, key) {

+        this._userVerifierChoiceList.call_select_choice(serviceName, key, this._cancellable, null);

+    },

+

     answerQuery(serviceName, answer) {

         if (!this.hasPendingMessages) {

             this._userVerifier.call_answer_query(serviceName, answer, this._cancellable, null);

@@ -367,6 +375,11 @@ var ShellUserVerifier = new Lang.Class({

             return;

         }

+        if (client.get_user_verifier_choice_list)

+            this._userVerifierChoiceList = client.get_user_verifier_choice_list();

+        else

+            this._userVerifierChoiceList = null;

+

         this.reauthenticating = true;

         this._connectSignals();

         this._beginVerification();

@@ -384,6 +397,11 @@ var ShellUserVerifier = new Lang.Class({

             return;

         }

+        if (client.get_user_verifier_choice_list)

+            this._userVerifierChoiceList = client.get_user_verifier_choice_list();

+        else

+            this._userVerifierChoiceList = null;

+

         this._connectSignals();

         this._beginVerification();

         this._hold.release();

@@ -397,6 +415,9 @@ var ShellUserVerifier = new Lang.Class({

         this._userVerifier.connect('conversation-stopped', this._onConversationStopped.bind(this));

         this._userVerifier.connect('reset', this._onReset.bind(this));

         this._userVerifier.connect('verification-complete', this._onVerificationComplete.bind(this));

+

+        if (this._userVerifierChoiceList)

+            this._userVerifierChoiceList.connect('choice-query', this._onChoiceListQuery.bind(this));

     },

     _getForegroundService() {

@@ -473,6 +494,13 @@ var ShellUserVerifier = new Lang.Class({

             this._startService(FINGERPRINT_SERVICE_NAME);

     },

+    _onChoiceListQuery(client, serviceName, promptMessage, list) {

+        if (!this.serviceIsForeground(serviceName))

+            return;

+

+        this.emit('show-choice-list', serviceName, promptMessage, list.deep_unpack());

+    },

+

     _onInfo(client, serviceName, info) {

         if (this.serviceIsForeground(serviceName)) {

             this._queueMessage(info, MessageType.INFO);

diff --git a/js/ui/unlockDialog.js b/js/ui/unlockDialog.js

index 1adaf417e..b5272be20 100644

--- a/js/ui/unlockDialog.js

+++ b/js/ui/unlockDialog.js

@@ -51,7 +51,14 @@ var UnlockDialog = new Lang.Class({

                                              y_expand: true });

         this.actor.add_child(this._promptBox);

-        this._authPrompt = new AuthPrompt.AuthPrompt(new Gdm.Client(), AuthPrompt.AuthPromptMode.UNLOCK_ONLY);

+        this._gdmClient = new Gdm.Client();

+

+        try {

+            this._gdmClient.set_enabled_extensions([Gdm.UserVerifierChoiceList.interface_info().name]);

+        } catch(e) {

+        }

+

+        this._authPrompt = new AuthPrompt.AuthPrompt(this._gdmClient, AuthPrompt.AuthPromptMode.UNLOCK_ONLY);

         this._authPrompt.connect('failed', this._fail.bind(this));

         this._authPrompt.connect('cancelled', this._fail.bind(this));

         this._authPrompt.connect('reset', this._onReset.bind(this));

-- 

2.17.1