Unlocking the Full Potential: Harnessing the Power of Microsoft365R alongside Shiny (Revolutions)

Unlocking the Full Potential: Harnessing the Power of Microsoft365R alongside Shiny (Revolutions)

Introduction:

In this article, we will discuss how to incorporate Microsoft365R and interactive authentication with Azure Active Directory (AAD) into a Shiny web app. The process involves registering your app with AAD, using the app ID for authentication and obtaining an OAuth token, and passing the token to the Microsoft365R functions. The article provides a step-by-step guide on app registration in AAD, including setting the redirect URI, type of redirect, intended audience, and permissions required by your app. Additionally, a Shiny code skeleton is provided, which demonstrates how to log in the user, retrieve their OneDrive, and list the contents of the root folder. By following this guide, you can seamlessly integrate Microsoft365R and AAD authentication into your Shiny web app for enhanced functionality and security.

Full Article: Unlocking the Full Potential: Harnessing the Power of Microsoft365R alongside Shiny (Revolutions)

Microsoft365R and Shiny: Incorporating Interactive Authentication with Azure Active Directory

In this article, we will discuss how to incorporate Microsoft365R and interactive authentication with Azure Active Directory (AAD) into a Shiny web app. This process involves a few steps, which we will outline below.

App Registration

The default Microsoft365R app registration within AAD only works when the package is used on a local machine. It does not support running in a remote server. Therefore, when using Microsoft365R within a Shiny app, you must register the app in AAD. Here are the main things to set in your app registration:

Redirect URI: This is the user-facing site address of your app. For example, if your app is hosted on shinyapps.io, the redirect URI would be in the form “https://youraccount.shinyapps.io/appname”. If your app uses a different port number for HTTPS, make sure to include it as well. You can set multiple redirects, allowing you to reuse a single app registration for multiple Shiny apps.

Type of Redirect: Choose between native (mobile and desktop) or webapp. For R, it is recommended to use a webapp redirect for a Shiny app. The main difference is that a webapp redirect requires a client secret for authentication, while a native redirect does not. The client secret helps prevent third parties from hijacking your app registration.

Intended Audience: Specify who is allowed to use your app. You can choose to limit access to members of your AAD tenant, members of any AAD tenant, or anyone with a Microsoft account (including personal accounts).

Permissions Required: Refer to the “app_registration.md” file in the Microsoft365R repository for the list of permissions used by the package. You can omit any permissions that your app doesn’t need. For example, if your app doesn’t handle emails, you can omit the Mail.Send and Mail.ReadWrite permissions.

To learn more about app registration in AAD, refer to the relevant documentation.

Shiny Code Skeleton

Below is a basic Shiny app that demonstrates how to log in a user, retrieve their OneDrive, and list the contents of the root folder. It’s important to note that the regular Microsoft365R client functions like “get_sharepoint_site” and “get_team” are intended for use on a local machine. While they will still work in a web app, it’s better to call the underlying R6 methods directly. Microsoft365R extends AzureGraph with R6 classes and methods, which interact with the Microsoft 365 REST API.

In this code, we use the “get_drive” method for the “AzureGraph::az_user” class to retrieve a user’s OneDrive. For more information, consult the online help page in R for the Microsoft365R “add_methods” topic.

“`R
library(AzureAuth)
library(AzureGraph)
library(Microsoft365R)
library(shiny)

tenant <- "your-tenant-here" app <- "your-app-id-here" redirect <- "https://your-account.shinyapps.io/appname" port <- httr::parse_url(redirect)$port options(shiny.port=if(is.null(port)) 443 else as.numeric(port)) pwd <- Sys.getenv("EXAMPLE_SHINY_CLIENT_SECRET", "") if(pwd == "") pwd <- NULL resource <- c("https://graph.microsoft.com/", "openid") ui <- fluidPage( verbatimTextOutput("drv") ) ui_func <- function(req) { opts <- parseQueryString(req$QUERY_STRING) if(is.null(opts$code)) { auth_uri <- build_authorization_uri(resource, tenant, app, redirect_uri=redirect, version=2) redir_js <- sprintf("location.replace("%s");", auth_uri) tags$script(HTML(redir_js)) } else { ui } } server <- function(input, output, session) { opts <- parseQueryString(isolate(session$clientData$url_search)) if(is.null(opts$code)) return() token <- get_azure_token(resource, tenant, app, password=pwd, auth_type="authorization_code", authorize_args=list(redirect_uri=redirect), version=2, use_cache=FALSE, auth_code=opts$code) drv <- ms_graph$ new(token=token)$ get_azure_user()$ get_drive() output$drv <- renderPrint(drv$list_files()) } shinyApp(ui_func, server) ``` Conclusion By following the steps outlined above, you can successfully incorporate Microsoft365R and interactive authentication with Azure Active Directory into your Shiny web app. This integration allows for seamless access to Microsoft 365 functionalities within your app. Happy coding!

Summary: Unlocking the Full Potential: Harnessing the Power of Microsoft365R alongside Shiny (Revolutions)

The article titled “Microsoft365R and Shiny” explains how to integrate Microsoft365R and Azure Active Directory (AAD) into a Shiny web app. It provides step-by-step instructions, including app registration, authentication, and passing tokens to Microsoft365R functions. The article also includes a basic code skeleton for a Shiny app that logs in the user, retrieves their OneDrive, and lists the contents of the root folder. This article is a useful resource for developers looking to incorporate Microsoft365R and AAD into their Shiny web apps.

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