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· 2024年9月22日 3m read

第三十章 使用派生密钥令牌进行加密和签名

#InterSystems IRIS for Health

第三十章 使用派生密钥令牌进行加密和签名

IRIS 支持 WS-SecureConversation 1.4 定义的 <DerivedKeyToken> 元素。可以创建并使用<DerivedKeyToken> 元素进行加密和签名，作为前三个主题中描述的方法的替代。

通常，会同时执行加密和签名。为简单起见，本主题分别介绍这些任务。有关结合加密和签名的信息，请参阅结合加密和签名。

概述

<DerivedKeyToken> 元素旨在携带发送者和接收者可以独立使用的信息来生成相同的对称密钥。这些方可以使用该对称密钥对 SOAP 消息的指定部分进行加密、签名或同时执行这两种操作。

要生成和使用 <DerivedKeyToken>，请执行以下操作：

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記事
· 2024年9月22日 2m read
Open Exchange

Deploying InterSystems WSGI Apps on AWS with Pulumi and Docker Compose

#AWS #相互運用性 #Python #InterSystems IRIS

In this post, we'll discuss our project that leverages Pulumi and Docker Compose to automate the deployment of InterSystems WSGI applications on AWS. The focus is on simplicity and efficiency, using pre-built infrastructure templates for provisioning and scaling AWS resources.

Overview

This repository automates the deployment of a WSGI-based application using AWS infrastructure templates and Pulumi’s Python SDK. The infrastructure is provisioned with Pulumi's declarative approach, while Docker Compose handles application orchestration. The project is structured to minimize the manual effort of setting up complex AWS resources, offering a Python-first way to manage the entire process.

Infrastructure Components

The deployment pipeline focuses on a few key AWS services:

  1. EC2 Instances: The core of the deployment. EC2 instances are provisioned to host the WSGI application using Pulumi. These instances are created with Docker pre-installed, which will later handle the application container.
  2. VPC: A dedicated VPC is created to encapsulate all networking aspects of the deployment. Subnets, route tables, and an internet gateway are configured to ensure proper traffic routing.
  3. Security Groups: Security groups are configured to allow HTTP (port 80) and SSH (port 22) traffic, alongside custom ports for the InterSystems WSGI application.
  4. IAM Roles: Pulumi provisions an IAM role for EC2, granting the necessary permissions for accessing resources like S3 buckets or ECR (if needed).

Pulumi + Python

Pulumi's declarative style makes infrastructure management highly manageable in Python. Here’s how it works:

  1. Define AWS Resources: In __main__.py, Pulumi is used to define the core AWS resources such as EC2 instances, VPCs, and security groups. This is done by interacting with the pulumi_aws module to specify the configuration.
  2. Parameter Injection: The project accepts a repository URL (where the application’s Docker Compose file is hosted) as a configuration parameter. Pulumi’s config module pulls this value and integrates it into the deployment.
  3. Docker Compose for Application Management: Once the EC2 instance is created, Docker Compose is used to pull the application from the given repository, build it, and bring it up in a containerized environment. This isolates the application runtime and ensures consistency across environments.

Test for yourself

Our application can be found here: https://openexchange.intersystems.com/package/Irisheimer

You can use the InterSystems WSGI project: https://github.com/grongierisc/iris-flask-template

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記事
· 2024年9月22日 1m read

Lidando com NULL em SQL

#ObjectScript #SQL #Caché #InterSystems IRIS

Rubrica InterSystems FAQ

No SQL, dados NULL e a string vazia ('') são dados diferentes. O método para definir e checar cada uma é como se segue

(1) dado NULL

[SQL] 

insert into test(a) values(NULL)
select * from test where a IS NULL

[InterSystems ObjectScript]

set x=##class(User.test).%New()
set x.a=""

(2) String Vazia ('')

[SQL]

insert into test(a) values('')
select * from test where a = ''

[InterSystems ObjectScript]

set x=##class(User.test).%New()
set x.a=$C(0)

Para mais informações, por favor veja os seguintes documentos:

NULL e strings vazias [IRIS]
NULL e strings vazias

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記事
· 2024年9月22日 1m read
Open Exchange

SMART on FHIR app - Sample with Hands-on Exercise/Workshop Instructions

#Angular #クラウド #FHIR #OAuth2 #InterSystems IRIS for Health

Based on a great sample and workshop built by @Luis Angel Pérez Ramos (see related articles and related Open Exchange app), which included a local InterSystems IRIS for Health container (and desired setup), this sample presented here, adapted the workshop for using the InterSystems Cloud FHIR Server, and it's related setup.

The related Open Exchange and GitHub repo included detailed instructions (and related screenshots) to create the desired project and flow.

See this series of short videos to accompany the steps to be performed.

Basically the steps include:

  • Setting up a Cloud FHIR Server [video]
  • Setting up an OAuth Server (auth0 by Okta) [video]
    • Creating an Application
    • Creating an API
    • Creating a User
  • Configuring the FHIR Server [video]
    • Creating an OAuth Server
    • Creating an Application
  • Adapting the app (Angular) to point to FHIR and OAuth Servers [video]
    • Adapting proxy.config.json
    • Adapting nginx.conf
    • Adapting app.module.ts
  • Testing running the app [video]
    • Examining the Login behind the scenes
    • Examining fetching and updating data behind the scenes

Enjoy!

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質問
· 2024年9月22日

Property of list of lists

#InterSystems IRIS for Health

Hello, i need to make property that is of type List of Lists of String (see "body_text" in JSON)

How can i make it? 

Thanks

{
  "type": "BODY",
  "text": "<TEXT>",
  
  # Required if <TEXT> string contains variables
  "example": {
    "body_text": [
      [
        <BODY_TEXT>
      ]
    ]
  }
}
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