在Cloud Foundry的Fiori Launchpad中从ui5应用中获取用户信息。

Question

正如标题所说，我正试图从Cloud Foundry的FLP中的一个应用程序中检索用户信息。

我关注了以下博客。https:/blogs.sap.com20190523如何获取已登录用户的邮件--云端铸造厂的邮件。

但是我的应用结构不一样，我不知道如何让它发挥作用。

首先，我可以把项目创建总结为这两个环节。

1. https:/developers.sap.comtutorialscp-ui5-webide-new-app.html。
2. https:/developers.sap.comtutorialscp-portal-cloud-foundry-create-launchpad.html。

这是我的应用程序的结构。

与相关的mta.yaml。

ID: mta_ztransport_appointment
_schema-version: '2.1'
parameters:
  deploy_mode: html5-repo
version: 0.0.1
modules:
  - name: mta-ztransport-appointment-approuter
    type: approuter.nodejs
    path: mta-ztransport-appointment-approuter
    parameters:
      disk-quota: 256M
      memory: 128M
    requires:
      - name: mta_ztransport_appointment_html5_repo_runtime
      - name: uaa_mta_ztransport_appointment
      - name: portal_resources_mta_ztransport_appointment
      - name: dest_mta_ztransport_appointment
      - name: conn_mta_ztransport_appointment
  - name: mta_ztransport_appointment_ui_deployer
    type: com.sap.html5.application-content
    path: mta_ztransport_appointment_ui_deployer
    requires:
      - name: mta_ztransport_appointment_html5_repo_host
    build-parameters:
      requires:
        - name: ztransport.appointment
          artifacts:
            - './*'
          target-path: resources/ztransport.appointment
  - name: ztransport.appointment
    type: html5
    path: ztransport.appointment
    build-parameters:
      builder: custom
      commands:
        - npm install
        - npm run build
      supported-platforms: []
      build-result: dist
  - name: flp
    type: com.sap.portal.content
    path: flp
    parameters:
      stack: cflinuxfs3
      memory: 128M
      buildpack: 'https://github.com/cloudfoundry/nodejs-buildpack/releases/download/v1.6.39/nodejs-buildpack-cflinuxfs3-v1.6.39.zip'
    requires:
      - name: portal_resources_mta_ztransport_appointment
      - name: uaa_mta_ztransport_appointment
      - name: mta_ztransport_appointment_html5_repo_host
      - name: mta_ztransport_appointment_ui_deployer

  

resources:
  - name: mta_ztransport_appointment_html5_repo_runtime
    parameters:
      service-plan: app-runtime
      service: html5-apps-repo
    type: org.cloudfoundry.managed-service
  - name: mta_ztransport_appointment_html5_repo_host
    parameters:
      service-plan: app-host
      service: html5-apps-repo
    type: org.cloudfoundry.managed-service
  - name: uaa_mta_ztransport_appointment
    parameters:
      path: ./xs-security.json
      service-plan: application
      service: xsuaa
    type: org.cloudfoundry.managed-service
  - name: dest_mta_ztransport_appointment
    parameters:
      service-plan: lite
      service: destination
    type: org.cloudfoundry.managed-service
  - name: portal_resources_mta_ztransport_appointment
    parameters:
      service-plan: standard
      service: portal
    type: org.cloudfoundry.managed-service
  - name: conn_mta_ztransport_appointment
    parameters:
      service-plan: lite
      service: connectivity
    type: org.cloudfoundry.managed-service

xs-security.json文件。

{
	"xsappname": "mta_ztransport_appointment",
	"tenant-mode": "dedicated",
	"description": "Security profile of called application",
	"scopes": [{
		"name": "$XSAPPNAME.Display",
		"description": "display"
	}, {
		"name": "$XSAPPNAME.Update",
		"description": "update"
	}, {
		"name": "uaa.user",
		"description": "UAA"
	}],
	"role-templates": [{
		"name": "Token_Exchange",
		"description": "UAA",
		"scope-references": [
			"uaa.user"
		]
	}, {
		"name": "Viewer",
		"description": "View Users",
		"scope-references": [
			"$XSAPPNAME.Display"
		]
	}, {
		"name": "Manager",
		"description": "Maintain Users",
		"scope-references": [
			"$XSAPPNAME.Display",
			"$XSAPPNAME.Update"
		]
	}]
}

approuter文件夹中的xs-app.json。

{
  "welcomeFile": "/cp.portal",
  "authenticationMethod": "route",
  "logout": {
    "logoutEndpoint": "/do/logout"
  },
  "routes": [
    {
      "source": "^/Dirickx_DE1/(.*)$",
      "target": "$1",
      "authenticationType": "none",
      "destination": "Dirickx_DE1",
      "csrfProtection": false
    },
    {
      "source": "^(.*)$",
      "target": "$1",
      "service": "html5-apps-repo-rt",
      "authenticationType": "xsuaa"
    }
  ]
}

相当于博客放在approuter文件夹里的approuter-start.js。

var approuter = require('@sap/approuter');
var ar = approuter();
ar.beforeRequestHandler.use('/getuserinfo', function (req, res, next) {
	if (!req.user) {
		res.statusCode = 403;
		res.end("Missing JWT Token");
	} else {
		res.statusCode = 200;
		res.end("My name is ${JSON.stringify(req.user.name, null, 2)}");
	}
});
ar.start();

而approuter文件夹中的package.json如下。

{
	"name": "html5-apps-approuter",
	"description": "Node.js based application router service for html5-apps",
	"engines": {
		"node": "^8.0.0 || ^10.0.0"
	},
	"dependencies": {
		"@sap/approuter": "6.8.0"
	},
	"scripts": {
		"start": "node ./approuter-start.js"
	}
}

我的xs-app.json文件和博客上的不一样，我认为错误来自于它，但如果我坚持使用博客，部署就会失败.而我使用的那个文件，部署成功了，但请求没有发出。

有什么办法吗？

Answer 1

你所提到的博客在approuter中创建了一个特定的路由。/getuserinfo 这样，当你部署approuter并进入到 https://<app_router_domain_from_SCP>.hana.ondemand.com/getuserinfo 它解读你从登录中得到的JWT令牌，并返回详细信息。

你需要自己提出请求才能获得数据。

如果你想在UI5应用中使用这些数据，我就会直接把 /getuserinfo 处理程序以JSON格式返回数据，并在该URL上使用JSONModel。然后您可以像绑定其他模型一样绑定到新模型上。

希望对大家有所帮助!