reconcile boot and admin pages further (#963)

This adds some remaining parts of the boot page to the admin panel, and then removes the boot page.

app/common/BaseAPI.ts

@@ -61,6 +61,18 @@ export class BaseAPI {
       'X-Requested-With': 'XMLHttpRequest',
       ...options.headers
     };
+    // If we are in the client, and have a boot key query parameter,
+    // pass it on as a header to make it available for authentication.
+    // This is a fallback mechanism if auth is broken to access the
+    // admin panel.
+    // TODO: should this be more selective?
+    if (typeof window !== 'undefined' && window.location &&
+        window.location.pathname.endsWith('/admin')) {
+      const bootKey = new URLSearchParams(window.location.search).get('boot-key');
+      if (bootKey) {
+        this._headers['X-Boot-Key'] = bootKey;
+      }
+    }
     this._extraParameters = options.extraParameters;
   }
 

app/common/BootProbe.ts

@@ -7,14 +7,18 @@ export type BootProbeIds =
     'host-header' |
     'sandboxing' |
     'system-user' |
-    'authentication'
+    'authentication' |
+    'websockets'
 ;
 
 export interface BootProbeResult {
   verdict?: string;
-  success?: boolean;
-  done?: boolean;
-  severity?: 'fault' | 'warning' | 'hmm';
+  // Result of check.
+  // "success" is a positive outcome.
+  // "none" means no fault detected (but that the test is not exhaustive
+  // enough to claim "success").
+  // "fault" is a bad error, "warning" a ... warning, "hmm" almost a debug message.
+  status: 'success' | 'fault' | 'warning' | 'hmm' | 'none';
   details?: Record<string, any>;
 }
 

app/common/InstallAPI.ts

@@ -1,4 +1,5 @@
 import {BaseAPI, IOptions} from 'app/common/BaseAPI';
+import {BootProbeInfo, BootProbeResult} from 'app/common/BootProbe';
 import {InstallPrefs} from 'app/common/Install';
 import {TelemetryLevel} from 'app/common/Telemetry';
 import {addCurrentOrgToPath} from 'app/common/urlUtils';
@@ -56,6 +57,8 @@ export interface InstallAPI {
    * Returns information about latest version of Grist
    */
   checkUpdates(): Promise<LatestVersion>;
+  getChecks(): Promise<{probes: BootProbeInfo[]}>;
+  runCheck(id: string): Promise<BootProbeResult>;
 }
 
 export class InstallAPIImpl extends BaseAPI implements InstallAPI {
@@ -78,6 +81,14 @@ export class InstallAPIImpl extends BaseAPI implements InstallAPI {
     return this.requestJson(`${this._url}/api/install/updates`, {method: 'GET'});
   }
 
+  public getChecks(): Promise<{probes: BootProbeInfo[]}> {
+    return this.requestJson(`${this._url}/api/probes`, {method: 'GET'});
+  }
+
+  public runCheck(id: string): Promise<BootProbeResult> {
+    return this.requestJson(`${this._url}/api/probes/${id}`, {method: 'GET'});
+  }
+
   private get _url(): string {
     return addCurrentOrgToPath(this._homeUrl);
   }