Files
shiny/R/middleware-shiny.R

68 lines
1.5 KiB
R

#' @include globals.R
NULL
reactLogHandler <- function(req) {
if (! rLog$isLogging()) {
return(NULL)
}
if (identical(req$PATH_INFO, "/reactlog/mark")) {
sessionToken <- parseQueryString(req$QUERY_STRING)$s
shinysession <- appsByToken$get(sessionToken)
# log time
withReactiveDomain(shinysession, {
rLog$userMark(getDefaultReactiveDomain())
})
return(httpResponse(
status = 200,
content = "marked",
content_type = "text/plain"
))
} else if (identical(req$PATH_INFO, "/reactlog")){
sessionToken <- parseQueryString(req$QUERY_STRING)$s
# `renderReactLog` will check/throw if reactlog doesn't exist
reactlogFile <- renderReactlog(sessionToken)
return(httpResponse(
status = 200,
content = list(
file = reactlogFile,
owned = TRUE
)
))
} else {
return(NULL)
}
}
sessionHandler <- function(req) {
path <- req$PATH_INFO
if (is.null(path))
return(NULL)
matches <- regmatches(path, regexec('^(/session/([0-9a-f]+))(/.*)$', path))
if (length(matches[[1]]) == 0)
return(NULL)
session <- matches[[1]][3]
subpath <- matches[[1]][4]
shinysession <- appsByToken$get(session)
if (is.null(shinysession))
return(NULL)
subreq <- as.environment(as.list(req, all.names=TRUE))
subreq$PATH_INFO <- subpath
subreq$SCRIPT_NAME <- paste(subreq$SCRIPT_NAME, matches[[1]][2], sep='')
withReactiveDomain(shinysession, {
shinysession$handleRequest(subreq)
})
}