Use OAuth to authorize with Mastodon API

accounts/mastodon/mastodon.go

@@ -20,13 +20,8 @@ const (
 
 // Account is a Mastodon account for Chirp.
 type Account struct {
-	username     string
-	password     string
-	instance     string
-	clientID     string
-	clientSecret string
-
 	client *mastodon.Client
+	config *mastodon.Config
 	self   *mastodon.Account
 
 	evchan  chan interface{}
@@ -34,30 +29,54 @@ type Account struct {
 }
 
 // NewAccount returns a new Mastodon account.
-func NewAccount(username, password, instance, clientID, clientSecret string) *Account {
-	return &Account{
-		username:     username,
-		password:     password,
-		instance:     instance,
-		clientID:     clientID,
-		clientSecret: clientSecret,
+func NewAccount(instance, token, clientID, clientSecret string) *Account {
+	mconfig := &mastodon.Config{
+		Server:       instance,
+		AccessToken:  token,
+		ClientID:     clientID,
+		ClientSecret: clientSecret,
 	}
+
+	return &Account{
+		config: mconfig,
+		client: mastodon.NewClient(mconfig),
+	}
+}
+
+func RegisterAccount(instance string) (*Account, string, string, error) {
+	app, err := mastodon.RegisterApp(context.Background(), &mastodon.AppConfig{
+		Server:     instance,
+		ClientName: "Telephant",
+		Scopes:     "read write follow post",
+		Website:    "",
+	})
+	if err != nil {
+		return nil, "", "", err
+	}
+
+	a := NewAccount(instance, "", app.ClientID, app.ClientSecret)
+
+	return a, app.AuthURI, app.RedirectURI, nil
+}
+
+func (mod *Account) Authenticate(code string) (string, string, string, string, error) {
+	err := mod.client.AuthenticateToken(context.Background(), code, "urn:ietf:wg:oauth:2.0:oob")
+	if err != nil {
+		return "", "", "", "", err
+	}
+
+	return mod.config.Server, mod.config.AccessToken, mod.config.ClientID, mod.config.ClientSecret, nil
 }
 
 // Run executes the account's event loop.
 func (mod *Account) Run(eventChan chan interface{}) {
 	mod.evchan = eventChan
 
-	mod.client = mastodon.NewClient(&mastodon.Config{
-		Server:       mod.instance,
-		ClientID:     mod.clientID,
-		ClientSecret: mod.clientSecret,
-	})
-	err := mod.client.Authenticate(context.Background(), mod.username, mod.password)
-	if err != nil {
-		panic(err)
+	if mod.config.AccessToken == "" {
+		return
 	}
 
+	var err error
 	mod.self, err = mod.client.GetAccountCurrentUser(context.Background())
 	if err != nil {
 		panic(err)
@@ -75,6 +94,10 @@ func (mod *Account) Run(eventChan chan interface{}) {
 	mod.handleStream()
 }
 
+func (mod *Account) Logo() string {
+	return "mastodon.svg"
+}
+
 // Post posts a new status
 func (mod *Account) Post(message string) error {
 	_, err := mod.client.PostStatus(context.Background(), &mastodon.Toot{

bridges.go

@@ -9,6 +9,9 @@ import (
 type UIBridge struct {
 	core.QObject
 
+	_ func(instance string) `slot:"connectButton"`
+	_ func(instance string) `slot:"authButton"`
+
 	_ func(replyid string, message string) `slot:"postButton"`
 	_ func(id string)                      `slot:"shareButton"`
 	_ func(id string)                      `slot:"likeButton"`
@@ -52,6 +55,8 @@ func setupQmlBridges() {
 	accountBridge.SetUsername("Chirp!")
 
 	uiBridge = NewUIBridge(nil)
+	uiBridge.ConnectConnectButton(connectToInstance)
+	uiBridge.ConnectAuthButton(authInstance)
 	uiBridge.ConnectPostButton(reply)
 	uiBridge.ConnectShareButton(share)
 	uiBridge.ConnectLikeButton(like)

chirp.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"os"
 
@@ -12,6 +13,35 @@ import (
 	"github.com/muesli/chirp/accounts/mastodon"
 )
 
+var (
+	config Config
+)
+
+func connectToInstance(instance string) {
+	var authURI string
+	var redirectURI string
+	var err error
+	tc, authURI, redirectURI, err = mastodon.RegisterAccount(instance)
+
+	fmt.Println("auth uri:", authURI)
+	// fmt.Println("redirect uri:", redirectURI)
+	fmt.Println(err)
+}
+
+func authInstance(code string) {
+	instance, token, clientID, clientSecret, err := tc.Authenticate(code)
+	fmt.Println("authenticate:", err)
+	if err != nil {
+		return
+	}
+
+	config.Account[0].Instance = instance
+	config.Account[0].ClientID = clientID
+	config.Account[0].ClientSecret = clientSecret
+	config.Account[0].Token = token
+	setupMastodon(config.Account[0])
+}
+
 // reply is used to post a new message
 // if replyid is > 0, it's send as a reply
 func reply(replyid string, message string) {
@@ -59,7 +89,7 @@ func runApp(config Config) {
 
 // setupMastodon starts a new Mastodon client and sets up event handling & models for it
 func setupMastodon(config Account) {
-	tc = mastodon.NewAccount(config.Username, config.Password, config.Instance, config.ClientID, config.ClientSecret)
+	tc = mastodon.NewAccount(config.Instance, config.Token, config.ClientID, config.ClientSecret)
 	postModel := NewMessageModel(nil)
 	notificationModel := NewMessageModel(nil)
 
@@ -83,7 +113,7 @@ func main() {
 	setupQmlBridges()
 
 	// load config
-	config := LoadConfig()
+	config = LoadConfig()
 	if config.Style == "" {
 		config.Style = "Material"
 	}

config.go

@@ -16,10 +16,10 @@ type Account struct {
 		AccessTokenSecret string
 	*/
 	Instance     string
-	Username     string
-	Password     string
 	ClientID     string
 	ClientSecret string
+	Token        string
+	RedirectURI  string
 }
 
 // Config holds chirp's config settings
@@ -38,17 +38,9 @@ func LoadConfig() Config {
 	if err != nil {
 		SaveConfig(Config{
 			Style:   "Material",
-			Account: []Account{
-				{
-					Instance:     "your instance",
-					Username:     "your username",
-					Password:     "your password",
-					ClientID:     "your client id",
-					ClientSecret: "your client secret",
-				},
-			},
+			Account: []Account{Account{}},
 		})
-		log.Fatal("Config file is missing, but a template was created for you! Please edit ", configFile)
+		//log.Fatal("Config file is missing, but a template was created for you! Please edit ", configFile)
 	}
 
 	var config Config

qml/ConnectDialog.qml

@@ -0,0 +1,116 @@
+import QtQuick 2.4
+import QtQuick.Controls 2.1
+import QtQuick.Controls.Material 2.1
+import QtQuick.Layouts 1.3
+
+Popup {
+    id: connectDialog
+    property string instance
+
+    modal: true
+    focus: true
+    closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutsideParent
+
+    ColumnLayout {
+        spacing: 16
+        anchors.fill: parent
+        clip: true
+
+        Label {
+            text: qsTr("Add an Account")
+            Layout.alignment: Qt.AlignHCenter
+            font.bold: true
+        }
+
+        Image {
+            id: logo
+            Layout.alignment: Qt.AlignHCenter
+            smooth: true
+            source: "images/accounts/mastodon.svg"
+            sourceSize.height: 128
+        }
+
+        SwipeView {
+            id: connectSwipeView
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            Layout.alignment: Qt.AlignHCenter
+            Component.onCompleted: contentItem.interactive = false
+
+            currentIndex: 0
+            Item {
+                id: instancePage
+
+                ColumnLayout {
+                        anchors.fill: parent
+
+                        TextArea {
+                            id: instanceArea
+                            focus: true
+                            selectByMouse: true
+                            placeholderText: qsTr("Instance, e.g. https://mastodon.social")
+                            Layout.fillWidth: true
+                        }
+
+                        Button {
+                            id: connectButton
+                            enabled: instanceArea.text.length > 0
+                            Layout.alignment: Qt.AlignBottom | Qt.AlignCenter
+                            highlighted: true
+                            Material.accent: Material.Blue
+                            text: qsTr("Authorize Telephant")
+
+                            onClicked: {
+                                var instance = instanceArea.text
+                                connectSwipeView.currentIndex = 1
+                                uiBridge.connectButton(instance)
+                            }
+                        }
+                }
+            }
+
+            Item {
+                id: authPage
+
+                ColumnLayout {
+                        anchors.fill: parent
+
+                        TextArea {
+                            id: codeArea
+                            focus: true
+                            selectByMouse: true
+                            placeholderText: qsTr("Auth code provided by your instance")
+                            Layout.fillWidth: true
+                        }
+
+                        Button {
+                            id: authButton
+                            enabled: codeArea.text.length > 0
+                            Layout.alignment: Qt.AlignBottom | Qt.AlignCenter
+                            highlighted: true
+                            Material.accent: Material.Blue
+                            text: qsTr("Login")
+
+                            onClicked: {
+                                var code = codeArea.text
+                                connectDialog.close()
+                                uiBridge.authButton(code)
+                            }
+                        }
+                }
+            }
+        }
+
+        PageIndicator {
+            id: indicator
+            Layout.alignment: Qt.AlignHCenter
+
+            count: connectSwipeView.count
+            currentIndex: connectSwipeView.currentIndex
+
+            // anchors.bottom: connectSwipeView.bottom
+            // anchors.horizontalCenter: parent.horizontalCenter
+        }
+
+    }
+}

qml/chirp.qml

@@ -29,6 +29,14 @@ ApplicationWindow {
             width: Math.min(mainWindow.width, mainWindow.height) / 3 * 2
         }
 
+        ConnectDialog {
+            id: connectDialog
+            x: mainWindow.width / 2 - width / 2
+            y: mainWindow.height / 2 - height / 2 - mainWindow.header.height / 2
+            width: 340
+            height: 340
+        }
+
         SettingsDialog {
             id: settingsDialog
             x: (mainWindow.width - width) / 2