feat: 🎸 initial flow to open new window to 3rd party auth

addons/api/mirage/route-handlers/auth.js

@@ -25,8 +25,11 @@ import { Response } from 'miragejs';
 
 const methodHandlers = {
   password: {
-    authenticate: (scopeAttrs) =>
-      new Response(200, {}, {
+    authenticate: (payload, scopeAttrs) => {
+      if (payload.credentials.login_name === 'error') {
+        return new Response(400);
+      } else {
+        return new Response(200, {}, {
           scope: scopeAttrs,
           id: 'token123',
           token: 'thetokenstring',
@@ -37,7 +40,9 @@ const methodHandlers = {
           updated_time: '',
           last_used_time: '',
           expiration_time: ''
-      })
+        });
+      }
+    }
   },
   /**
    * OIDC authentication is a two-step process:
@@ -63,15 +68,11 @@ const methodHandlers = {
 
 export function authHandler({ scopes, authMethods }, request) {
   const payload = JSON.parse(request.requestBody);
-  if (payload.credentials.login_name === 'error') {
-    return new Response(400);
-  } else {
   const [, id, method] = request.params.id_method.match(/(?<id>.[^:]*)(?::)?(?<method>.*)?/);
   const authMethod = authMethods.find(id);
   const scope = scopes.find(authMethod.scopeId);
   const scopeAttrs = this.serialize(scopes.find(scope.id));
-    return methodHandlers[authMethod.type][method](scopeAttrs);
-  }
+  return methodHandlers[authMethod.type][method](payload, scopeAttrs);
 }
 
 export function deauthHandler() {

addons/auth/addon/authenticators/oidc.js

@@ -1,7 +1,6 @@
 import BaseAuthenticator from './base';
-// import { resolve, reject } from 'rsvp';
-// import fetch from 'fetch';
-//import { Promise } from 'rsvp';
+import { resolve, reject } from 'rsvp';
+import fetch from 'fetch';
 
 /**
  *
@@ -16,6 +15,43 @@ export default class OIDCAuthenticator extends BaseAuthenticator {
     authMethod: { id: authMethodID },
   } */) { }
 
+  buildStartAuthEndpointURL(/* {
+    scope: { id: scopeID },
+    authMethod: { id: authMethodID },
+  } */) { }
+
+  /**
+   *
+   */
+  async startAuthentication(
+    creds,
+    requestCookies = true,
+    options
+  ) {
+    const body = JSON.stringify({
+      token_type: requestCookies ? 'cookie' : null
+    });
+    const authEndpointURL = this.buildStartAuthEndpointURL(options);
+    const response = await fetch(authEndpointURL, { method: 'post', body });
+    const json = await response.json();
+    const normalized = this.normalizeData(json);
+    if (response.status < 400) {
+      await this.openExternalOIDCFlow(normalized.authorization_request_url);
+      resolve(normalized);
+    } else {
+      reject();
+    }
+  }
+
+  /**
+   * Opens the specified URL in a new tab or window.  By default this uses
+   * `window.open`, but may be overriden.
+   * @param {string} url
+   */
+  openExternalOIDCFlow(url) {
+    window.open(url);
+  }
+
   async authenticate(
     // creds,
     // requestCookies = true,

addons/core/addon/authenticators/oidc.js

@@ -1,8 +1,37 @@
 import BaseOIDCAuthenticator from 'auth/authenticators/oidc';
-//import { inject as service } from '@ember/service';
+import { inject as service } from '@ember/service';
 
 /**
  *
  */
 export default class OIDCAuthenticator extends BaseOIDCAuthenticator {
+
+  // =services
+
+  @service store;
+
+  // =attributes
+
+  /**
+   * Generates an auth method URL with which to authenticate.
+   * @override
+   * @param {object} options
+   * @param {string} options.scope.scope_id
+   * @param {string} options.authMethod.id
+   * @return {string}
+   */
+  buildStartAuthEndpointURL({
+    scope: { id: scopeID },
+    authMethod: { id: authMethodID },
+  }) {
+    const adapter = this.store.adapterFor('application');
+    const options = {
+      adapterOptions: {
+        scopeID,
+        method: 'authenticate:start'
+      }
+    };
+    return adapter.buildURL('auth-method', authMethodID, options, 'findRecord');
+  }
+
 }

ui/admin/app/routes/scopes/scope/authenticate/method.js

@@ -1,5 +1,6 @@
 import Route from '@ember/routing/route';
 import { inject as service } from '@ember/service';
+import { getOwner } from '@ember/application';
 import { action } from '@ember/object';
 import loading from 'ember-loading/decorator';
 import { notifyError } from 'core/decorators/notify';
@@ -37,6 +38,8 @@ export default class ScopesScopeAuthenticateMethodRoute extends Route {
     const authMethod = this.modelFor('scopes.scope.authenticate.method');
     const authenticatorName = `authenticator:${authMethod.type}`;
     const requestCookies = false;
+    switch (authMethod.type) {
+      case 'password':
         await this.session.authenticate(
           authenticatorName,
           creds,
@@ -44,5 +47,20 @@ export default class ScopesScopeAuthenticateMethodRoute extends Route {
           { scope, authMethod }
         );
         this.transitionTo('index');
+        break;
+      case 'oidc':
+        await this.startOIDCAuthentication(
+          authenticatorName,
+          creds,
+          requestCookies,
+          { scope, authMethod }
+        );
+        break;
+    }
+  }
+
+  async startOIDCAuthentication(authenticatorName, creds, requestCookies, options) {
+    const oidc = getOwner(this).lookup(authenticatorName);
+    oidc.startAuthentication(creds, requestCookies, options);
   }
 }