R/SAGtokens.R

Defines functions sg_pat getTokenExpiration

Documented in getTokenExpiration

# the sag personal access togen
.sg_renviron <- "~/.Renviron_SG"
.sg_envir <- new.env()
.sg_envir$.sg_tokenOK <- NA





#' Get the expiration time of a Standard Graphs token.
#'
#' Get the number of days remaining for a standard graphs
#' personal access token.
#'
#' @return An integer.
#'
#'
#' @author Colin Millar.
#'
#' @examples
#' \dontrun{
#' getTokenExpiration()
#' }
#'
#' # tell icesSAG to use the SG token
#' options(icesSAG.use_token = TRUE)
#'
#' @export
getTokenExpiration <- function() {
  # call webservice
  if (file.exists(.sg_renviron)) readRenviron(.sg_renviron)
  uri <- sag_uri("getTokenExpiration", token = Sys.getenv("SG_PAT"))
  out <- sag_get(uri)

  # parse output
  as.numeric(out[[1]])
}


sg_pat <- function() {

  if (is.na(.sg_envir$.sg_tokenOK)) {
    assign(".sg_tokenOK", getTokenExpiration() > 0, envir = .sg_envir)
  }
  while (!.sg_envir$.sg_tokenOK) {
    cat("Invalid or missing token. Please browse to:\n",
         "    https://standardgraphs.ices.dk/manage/CreateToken.aspx\n",
         "to create your personal access token.\n",
         "Then create/modify the file:\n\t",
             path.expand(.sg_renviron),
         "\nwith contents:\n\n",
         "# Standard Graphs personal access token\n",
         "SG_PAT=blahblahblahblahblah\n\n",
         sep = "")
    readline("Press return when this is done ...")
    assign(".sg_tokenOK", getTokenExpiration() > 0, envir = .sg_envir)
  }

  Sys.getenv("SG_PAT")
}

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icesSAG documentation built on March 18, 2022, 6:54 p.m.