Fully Customize Sign In Pages

polished comes with the following pre built shiny modules to help you quickly add custom sign in pages to your shiny app:

sign_in_module()
sign_in_module_2()

sign_in_module() is primarily designed to be used for just email/password sign in (i.e. it does not look great when you include social sign in providers like Google and Microsoft).

sign_in_module_2() is designed to look a little better with email/password and social sign in providers.

Use the sign_in_ui_default() function to style these modules with your brand’s colors and logos. Check out the docs for ?sign_in_ui_default and see a full example here for more information.

If you require more customization than that offered by the the above functions, you can fully customize your sign in page with the following 2 functions:

sign_in_js()
sign_in_check_jwt()

Behind the scenes, the sign_in_module() and sign_in_module_2() use the sign_in_js() and sign_in_check_jwt() to build their UI and server functionality. To fully customize your sign in pages, you can create your own shiny module that uses these functions. To create your own fully customized sign in module, include inputs with the following name-spaced ids:

You can create shiny::textInputs, shiny::passwordInputs, and shiny::actionButtons with the above IDs, or you can use the email_input and password_input functions available with polished; As long as the ID of the inputs match up with the above input IDs, then the JavaScript available with sign_in_js() and the server logic in sign_in_check_jwt() will be able to handle the sign in and registration. See the example below:

NOTE: when passing your custom module UI as the sign_in_page_ui argument to the secure_ui() function, you must use “sign_in” as the UI module’s ID (as shown in the example below).

library(shiny)
library(polished)


my_custom_sign_in_module_ui <- function(id) {
  ns <- NS(id)
  
  tagList(
    shinyjs::useShinyjs(),
    # your custom sign in inputs
    
    div(
      id = ns("sign_in_page"),
      email_input(
        ns("sign_in_email")
      ),
      password_input(
        ns("sign_in_password")
      ),
      actionButton(
        ns("sign_in_submit"),
        "Sign In"
      ),
      actionLink(
        ns("go_to_register"),
        "Not a member? Register!"
      )
    ),
    
    # your custom registration inputs.  Your inputs
    shinyjs::hidden(
      div(
        id = ns("register_page"),
        password_input(
          ns("register_password")
        ),
        password_input(
          ns("register_password_verify")
        ),
        actionButton(
          ns("register_submit"),
          "Register"
        ),
        actionLink(
          ns("go_to_sign_in"),
          "Already a member? Sign in!"
        )
      )
    ),
    
    
    # make sure to call this function somewhere in your sign in page UI.  It loads
    # the JavaScript used in the sign in and registration process.
    sign_in_js(ns)  
  )
  
}

my_custom_sign_in_module <- function(input, output, session) {
  ns <- session$ns
  # your custom sign in and registration server logic
  # We provide an example showing the sign in & registration pages separately
  
  # show the registration inputs & button
  observeEvent(input$go_to_register, {
    shinyjs::hideElement("sign_in_page")
    shinyjs::showElement("register_page")
  })
  
  # show the sign in inputs & button
  observeEvent(input$go_to_sign_in, {
    shinyjs::hideElement("register_page")
    shinyjs::showElement("sign_in_page")
  })
  
  jwt <- reactive({
    # optional: include additional authorization checks here   
    input$check_jwt
  })
  
  sign_in_check_jwt(jwt)
}

ui <- secure_ui(
  ui = fluidPage(
    h1("I am a Shiny app!")
  ),
  # you must pass "sign_in" sign in to your custom module `id` argument
  # as done below:
  sign_in_page_ui = my_custom_sign_in_module_ui("sign_in")
)

server <- secure_server(
  server = function(input, output, session) {}, 
  custom_sign_in_server = my_custom_sign_in_module
)


shinyApp(
  ui,
  server,
  onStart = function() {
    polished_config(
      api_key = "<your polished.tech API key>",
      app_name = "<your app name from polished.tech>"
    )
  }
)