Support more than one authentication session

generator/src/templates/theiaPlugins.json

@@ -56,6 +56,7 @@
     "vscode-editorconfig": "https://open-vsx.org/api/EditorConfig/EditorConfig/0.14.4/file/EditorConfig.EditorConfig-0.14.4.vsix",
     "vscode-eslint": "https://open-vsx.org/api/dbaeumer/vscode-eslint/2.1.1/file/dbaeumer.vscode-eslint-2.1.1.vsix",
     "vscode-git": "https://open-vsx.org/api/vscode/git/1.49.3/file/vscode.git-1.49.3.vsix",
+    "vscode-github": "https://open-vsx.org/api/vscode/github/1.50.1/file/vscode.github-1.50.1.vsix",
     "vscode-references-view": "https://open-vsx.org/api/ms-vscode/references-view/0.0.47/file/ms-vscode.references-view-0.0.47.vsix",
     "vscode-builtin-icon-theme-seti": "https://open-vsx.org/api/vscode/vscode-theme-seti/1.44.2/file/vscode.vscode-theme-seti-1.44.2.vsix",
     "vscode-builtin-theme-abyss": "https://open-vsx.org/api/vscode/theme-abyss/1.44.2/file/vscode.theme-abyss-1.44.2.vsix",

plugins/github-auth-plugin/package.json

@@ -20,7 +20,8 @@
         "@eclipse-che/plugin": "0.0.1",
         "rimraf": "2.6.2",
         "typescript-formatter": "7.2.2",
-        "ts-loader": "^4.1.0"
+        "ts-loader": "^4.1.0",
+        "uuid": "^8.0.0"
       },
       "scripts": {
         "prepare": "yarn run clean && yarn run build",

plugins/github-auth-plugin/src/github-auth-plugin.ts

@@ -10,45 +10,49 @@
 
 import * as theia from '@theia/plugin';
 import * as che from '@eclipse-che/plugin';
+import { v4 } from 'uuid';
 
 export async function start(context: theia.PluginContext): Promise<void> {
-    if (theia.plugins.getPlugin('github.vscode-pull-request-github')) {
-        let session: theia.AuthenticationSession | undefined = context.workspaceState.get('session');
-        const onDidChangeSessions = new theia.EventEmitter<theia.AuthenticationProviderAuthenticationSessionsChangeEvent>();
-        theia.authentication.registerAuthenticationProvider({
+    const sessions: theia.AuthenticationSession[] = context.workspaceState.get('sessions') || [];
+    const onDidChangeSessions = new theia.EventEmitter<theia.AuthenticationProviderAuthenticationSessionsChangeEvent>();
+    theia.authentication.registerAuthenticationProvider({
             id: 'github',
             label: 'GitHub',
             supportsMultipleAccounts: false,
             onDidChangeSessions: onDidChangeSessions.event,
-            getSessions: async () => {
-                if (session) {
-                    return [session];
-                } else {
-                    return [];
-                }
-            },
+            getSessions: async () => sessions,
             login: async (scopes: string[]) => {
                 const githubUser = await che.github.getUser();
-                session = {
-                    id: 'github-session',
+                const session = {
+                    id: v4(),
                     accessToken: await che.github.getToken(),
                     account: { label: githubUser.login, id: githubUser.id.toString() },
                     scopes
                 };
-                context.workspaceState.update('session', session);
+                const sessionIndex = sessions.findIndex(s => s.id === session.id);
+                if (sessionIndex > -1) {
+                    sessions.splice(sessionIndex, 1, session);
+                } else {
+                    sessions.push(session);
+                }
+                context.workspaceState.update('sessions', sessions);
                 onDidChangeSessions.fire({ added: [session.id], removed: [], changed: [] });
                 return session;
             },
             logout: async (id: string) => {
-                session = undefined;
-                context.workspaceState.update('session', session);
-                onDidChangeSessions.fire({ added: [], removed: [id], changed: [] });
+                const sessionIndex = sessions.findIndex(session => session.id === id);
+                if (sessionIndex > -1) {
+                    sessions.splice(sessionIndex, 1);
+                    context.workspaceState.update('sessions', sessions);
+                    onDidChangeSessions.fire({ added: [], removed: [id], changed: [] });
+                }
             }
         }
-        );
-        if (session) {
-            onDidChangeSessions.fire({ added: [session.id], removed: [], changed: [] });
-            // TODO Remove the notification when https://github.com/eclipse-theia/theia/issues/7178 is fixed.
+    );
+    if (theia.plugins.getPlugin('github.vscode-pull-request-github')) {
+        if (sessions.length > 0) {
+            onDidChangeSessions.fire({ added: sessions.map(s => s.id), removed: [], changed: [] });
+        // TODO Remove the notification when https://github.com/eclipse-theia/theia/issues/7178 is fixed.
         } else {
             const signIn = 'Sign in';
             const result = await theia.window.showInformationMessage(