Add connection check and dialog with results for cloud login (#24301)

src/data/cloud.ts

@@ -73,6 +73,7 @@ export interface CloudWebhook {
 interface CloudLoginBase {
   hass: HomeAssistant;
   email: string;
+  check_connection?: boolean;
 }
 
 export interface CloudLoginPassword extends CloudLoginBase {

src/dialogs/voice-assistant-setup/cloud/cloud-step-signin.ts

@@ -10,6 +10,7 @@ import "../../../components/ha-svg-icon";
 import "../../../components/ha-textfield";
 import type { HaTextField } from "../../../components/ha-textfield";
 import { cloudLogin } from "../../../data/cloud";
+import { showCloudAlreadyConnectedDialog } from "../../../panels/config/cloud/dialog-cloud-already-connected/show-dialog-cloud-already-connected";
 import type { HomeAssistant } from "../../../types";
 import {
   showAlertDialog,
@@ -25,6 +26,8 @@ export class CloudStepSignin extends LitElement {
 
   @state() private _error?: string;
 
+  @state() private _checkConnection = true;
+
   @query("#email", true) private _emailField!: HaTextField;
 
   @query("#password", true) private _passwordField!: HaPasswordField;
@@ -115,6 +118,7 @@ export class CloudStepSignin extends LitElement {
           hass: this.hass,
           email: username,
           ...(code ? { code } : { password }),
+          check_connection: this._checkConnection,
         });
       } catch (err: any) {
         const errCode = err && err.body && err.body.code;
@@ -139,6 +143,20 @@ export class CloudStepSignin extends LitElement {
           }
         }
 
+        if (errCode === "alreadyconnectederror") {
+          showCloudAlreadyConnectedDialog(this, {
+            details: JSON.parse(err.body.message),
+            logInHereAction: () => {
+              this._checkConnection = false;
+              doLogin(username);
+            },
+            closeDialog: () => {
+              this._requestInProgress = false;
+            },
+          });
+          return;
+        }
+
         if (errCode === "usernotfound" && username !== username.toLowerCase()) {
           await doLogin(username.toLowerCase());
           return;

src/panels/config/cloud/dialog-cloud-already-connected/dialog-cloud-already-connected.ts

@@ -0,0 +1,171 @@
+import type { CSSResultGroup } from "lit";
+import { css, html, LitElement, nothing } from "lit";
+import { customElement, state } from "lit/decorators";
+import { mdiEye, mdiEyeOff } from "@mdi/js";
+import { formatDateTime } from "../../../../common/datetime/format_date_time";
+import { fireEvent } from "../../../../common/dom/fire_event";
+import "../../../../components/ha-alert";
+import "../../../../components/ha-button";
+import "../../../../components/ha-icon-button";
+import { createCloseHeading } from "../../../../components/ha-dialog";
+import { haStyleDialog } from "../../../../resources/styles";
+import type { HomeAssistant } from "../../../../types";
+import type { CloudAlreadyConnectedParams as CloudAlreadyConnectedDialogParams } from "./show-dialog-cloud-already-connected";
+import { obfuscateUrl } from "../../../../util/url";
+
+@customElement("dialog-cloud-already-connected")
+class DialogCloudAlreadyConnected extends LitElement {
+  public hass!: HomeAssistant;
+
+  @state() private _params?: CloudAlreadyConnectedDialogParams;
+
+  @state() private _obfuscateIp = true;
+
+  public showDialog(params: CloudAlreadyConnectedDialogParams) {
+    this._params = params;
+  }
+
+  public closeDialog() {
+    this._params?.closeDialog();
+    this._params = undefined;
+    this._obfuscateIp = true;
+    fireEvent(this, "dialog-closed", { dialog: this.localName });
+  }
+
+  protected render() {
+    if (!this._params) {
+      return nothing;
+    }
+    const { details } = this._params;
+
+    return html`
+      <ha-dialog
+        open
+        @closed=${this.closeDialog}
+        .heading=${createCloseHeading(
+          this.hass,
+          this.hass.localize(
+            "ui.panel.config.cloud.dialog_already_connected.heading"
+          )
+        )}
+      >
+        <div class="intro">
+          <span>
+            ${this.hass.localize(
+              "ui.panel.config.cloud.dialog_already_connected.description"
+            )}
+          </span>
+          <b>
+            ${this.hass.localize(
+              "ui.panel.config.cloud.dialog_already_connected.other_home_assistant"
+            )}
+          </b>
+        </div>
+        <div class="instance-details">
+          <div class="instance-detail">
+            <span>
+              ${this.hass.localize(
+                "ui.panel.config.cloud.dialog_already_connected.ip_address"
+              )}:
+            </span>
+            <div class="obfuscated">
+              <span>
+                ${this._obfuscateIp
+                  ? obfuscateUrl(details.remote_ip_address)
+                  : details.remote_ip_address}
+              </span>
+
+              <ha-icon-button
+                class="toggle-unmasked-url"
+                .label=${this.hass.localize(
+                  `ui.panel.config.cloud.dialog_already_connected.obfuscated_ip.${this._obfuscateIp ? "hide" : "show"}`
+                )}
+                @click=${this._toggleObfuscateIp}
+                .path=${this._obfuscateIp ? mdiEye : mdiEyeOff}
+              ></ha-icon-button>
+            </div>
+          </div>
+          <div class="instance-detail">
+            <span>
+              ${this.hass.localize(
+                "ui.panel.config.cloud.dialog_already_connected.connected_at"
+              )}:
+            </span>
+            <span>
+              ${formatDateTime(
+                new Date(details.connected_at),
+                this.hass.locale,
+                this.hass.config
+              )}
+            </span>
+          </div>
+        </div>
+        <ha-alert
+          alert-type="info"
+          .title=${this.hass.localize(
+            "ui.panel.config.cloud.dialog_already_connected.info_backups.title"
+          )}
+        >
+          ${this.hass.localize(
+            "ui.panel.config.cloud.dialog_already_connected.info_backups.description"
+          )}
+        </ha-alert>
+
+        <ha-button @click=${this.closeDialog} slot="secondaryAction">
+          ${this.hass!.localize("ui.common.cancel")}
+        </ha-button>
+        <ha-button @click=${this._logInHere} slot="primaryAction">
+          ${this.hass!.localize(
+            "ui.panel.config.cloud.dialog_already_connected.login_here"
+          )}
+        </ha-button>
+      </ha-dialog>
+    `;
+  }
+
+  private _toggleObfuscateIp() {
+    this._obfuscateIp = !this._obfuscateIp;
+  }
+
+  private _logInHere() {
+    this._params?.logInHereAction();
+    this.closeDialog();
+  }
+
+  static get styles(): CSSResultGroup {
+    return [
+      haStyleDialog,
+      css`
+        ha-dialog {
+          --mdc-dialog-max-width: 535px;
+        }
+        .intro b {
+          display: block;
+          margin-top: 16px;
+        }
+        .instance-details {
+          display: flex;
+          flex-direction: column;
+          margin-bottom: 16px;
+        }
+        .instance-detail {
+          display: flex;
+          flex-direction: row;
+          justify-content: space-between;
+          align-items: center;
+        }
+        .obfuscated {
+          align-items: center;
+          display: flex;
+          flex-direction: row;
+        }
+      `,
+    ];
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "dialog-cloud-already-connected": DialogCloudAlreadyConnected;
+  }
+}

src/panels/config/cloud/dialog-cloud-already-connected/show-dialog-cloud-already-connected.ts

@@ -0,0 +1,21 @@
+import { fireEvent } from "../../../../common/dom/fire_event";
+
+export interface CloudAlreadyConnectedParams {
+  details: {
+    remote_ip_address: string;
+    connected_at: string;
+  };
+  logInHereAction: () => void;
+  closeDialog: () => void;
+}
+
+export const showCloudAlreadyConnectedDialog = (
+  element: HTMLElement,
+  webhookDialogParams: CloudAlreadyConnectedParams
+): void => {
+  fireEvent(element, "show-dialog", {
+    dialogTag: "dialog-cloud-already-connected",
+    dialogImport: () => import("./dialog-cloud-already-connected"),
+    dialogParams: webhookDialogParams,
+  });
+};

src/panels/config/cloud/login/cloud-login.ts

@@ -28,6 +28,7 @@ import { haStyle } from "../../../../resources/styles";
 import type { HomeAssistant } from "../../../../types";
 import "../../ha-config-section";
 import { showSupportPackageDialog } from "../account/show-dialog-cloud-support-package";
+import { showCloudAlreadyConnectedDialog } from "../dialog-cloud-already-connected/show-dialog-cloud-already-connected";
 
 @customElement("cloud-login")
 export class CloudLogin extends LitElement {
@@ -47,6 +48,8 @@ export class CloudLogin extends LitElement {
 
   @state() private _error?: string;
 
+  @state() private _checkConnection = true;
+
   @query("#email", true) private _emailField!: HaTextField;
 
   @query("#password", true) private _passwordField!: HaPasswordField;
@@ -244,6 +247,7 @@ export class CloudLogin extends LitElement {
           hass: this.hass,
           email: username,
           ...(code ? { code } : { password }),
+          check_connection: this._checkConnection,
         });
         this.email = "";
         this._password = "";
@@ -283,6 +287,21 @@ export class CloudLogin extends LitElement {
             return;
           }
         }
+        if (errCode === "alreadyconnectederror") {
+          showCloudAlreadyConnectedDialog(this, {
+            details: JSON.parse(err.body.message),
+            logInHereAction: () => {
+              this._checkConnection = false;
+              doLogin(username);
+            },
+            closeDialog: () => {
+              this._requestInProgress = false;
+              this.email = "";
+              this._password = "";
+            },
+          });
+          return;
+        }
         if (errCode === "PasswordChangeRequired") {
           showAlertDialog(this, {
             title: this.hass.localize(

src/translations/en.json

@@ -4730,6 +4730,23 @@
             "fingerprint": "Certificate fingerprint:",
             "close": "Close"
           },
+          "dialog_already_connected": {
+            "heading": "Account linked to other Home Assistant",
+            "description": "We noticed that another instance is currently connected to your Home Assistant Cloud account. Your Home Assistant Cloud account can only be signed into one Home Assistant instance at a time. If you log in here, the other instance will be disconnected along with its Cloud services.",
+            "other_home_assistant": "Other Home Assistant",
+            "ip_address": "IP Address",
+            "connected_at": "Connected at",
+            "obfuscated_ip": {
+              "show": "Show IP address",
+              "hide": "Hide IP address"
+            },
+            "info_backups": {
+              "title": "Home Assistant Cloud backups",
+              "description": "Your Cloud backup may be overwritten if you proceed. We strongly recommend downloading your current backup from your Nabu Casa account page before continuing."
+            },
+            "close": "Close",
+            "login_here": "Log in here"
+          },
           "dialog_cloudhook": {
             "webhook_for": "Webhook for {name}",
             "managed_by_integration": "This webhook is managed by an integration and cannot be disabled.",