extract_cookie: Extract an individual cookie from a shiny request
In cookies: Use Browser Cookies with 'shiny'

extract_cookie

R Documentation

Extract an individual cookie from a shiny request

Description

The shiny request object includes any cookies that are available to the app. This function extracts the value of a named cookie from that request.

Usage

extract_cookie(request, cookie_name, missing = NULL)

Arguments

`request`	A shiny request object.
`cookie_name`	The name of the cookie. Can contain any US-ASCII characters except for: the control character, space, a tab, or separator characters like ( ) < > @ , ; : \ " / [ ] ? = { }.
`missing`	The value to return if the requested cookie is not stored in the request. Defaults to `NULL`.

Value

The contents of that cookie.

Examples

req <- list(HTTP_COOKIE = "cookie1=expected_value; cookie2=1; cookie3=2")
extract_cookie(req, "cookie1")
extract_cookie(req, "cookie2")
extract_cookie(list(), "cookie1")
extract_cookie(NULL, "cookie1")

cookies documentation built on Oct. 3, 2023, 1:07 a.m.