helper functions for checking item selections

[confetti] / index.cgi

diff --git a/index.cgi b/index.cgi
index 90ded2d30b79bef9c9f0882106121eb6420c949f..093a5c4a90051bb87e717c6619c7cffd6cde997a 100755 (executable)
--- a/index.cgi
+++ b/index.cgi
@@ -1,51 +1,55 @@
-#!/bin/zsh
-
-# basic functions
-die() {
-  echo "$*" >/dev/stderr
-  exit 1
-}
-debug() { #change to false to disable debugging
-  #true && echo "$*" >>debug
-  true && [ -n "$*" ] && echo -E "$*" >>/dev/stderr
-  true && [ -z "$*" ] && tee /dev/stderr
+#!/bin/sh
+
+for n in "$@"; do case ${n%%=*} in
+  data) _DATA="${n#data=}";;
+  exec) _exec="${n#exec=}";;
+  noerr) exec 2>&-;;
+esac; done
+
+[ -z "${_EXEC%/}" ] && _EXEC="$(realpath "${0%/*}")" || _EXEC="${_EXEC%/}"
+[ -z "${_DATA%/}" ] && _DATA=. || _DATA="${_DATA%/}"
+
+. "$_EXEC/cgilite/cgilite.sh"
+. "$_EXEC/cgilite/session.sh"
+
+_PATH="$(PATH "/${PATH_INFO}")"
+ACTION="$(GET a)"
+
+message="$(COOKIE message)"
+[ "$message" ] && SET_COOKIE 0 message=''
+
+checked(){  [ "$1" = "$2" ] || [ "$1" -eq "$2" ] && printf 'checked="checked"' 2>/dev/null; }
+selected(){ [ "$1" = "$2" ] || [ "$1" -eq "$2" ] && printf 'selected="selected"' 2>/dev/null; }
+
+yield_page() {
+  local class="$1" style="$2"
+  printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
+  { printf '
+       [html [head
+          [title Confetti]
+         [meta name="viewport" content="width=device-width"]
+         [link rel="stylesheet" type="text/css" href="/style.css"]
+    '
+    [ -n "$style" ] && printf '
+         [link rel="stylesheet" type="text/css" href="%s"]
+    ' "$style"
+    printf '
+       ] [body class="%s"
+    ' "$class"
+    cat
+    [ "$message" ] && printf '[p #message\n%s\n]' $(l10n "$message")
+    printf '] ]'
+  } \
+  | "${_EXEC}/cgilite/html-sh.sed"
 }
 
-# this program is supposed to be symlinked into a http root directory
-# we will use the http root as object storage (data directory) and call sub
-# programs from the directory in which the real executable resides
-# therefore we need to identify the code and data directories _EXEC and _DATA
-call=$0
-real=$call
-while [ -L "$real" ]; do
-  real="$(stat -c %N "$real" |sed -r "s:..*. -> .(.*).$:\1:")"
-done
-
-_EXEC="$(dirname "$real")"  #execution directory
-_DATA="$(dirname "$call")"  #storage directory
-
-debug "Execution dir: $_EXEC"
-debug "Storage dir: $_DATA"
-
-[ -w "$_DATA" ] && [ -d "$_DATA" ] || die "storage directory must be writable"
-
-# create directories for object storage
-for each in "$_DATA"/{vcard,mappings,courses}; do
-  [ ! -e "$each" ] && mkdir "$each"
-  [ -w "$each" ] && [ -d "$each" ] || die "storage $each must be a writable directory"
-done
-
-# create htaccess file
-[ -f .htaccess ] || cat >.htaccess <<EOF
-Options                +ExecCGI
-AddHandler     cgi-script .cgi
-DirectoryIndex index.cgi
-EOF
-[ -f .htaccess ] || die "no htaccess file present and unable to create one"
-
-. "$_EXEC/cgi.sh"
-
-cgi_get
-debug "$_GET"
-
-. "$_EXEC/page.sh"
+if   [   -d "${_EXEC}/${_PATH}" -a -x "${_EXEC}/${_PATH}/index.cgi" ]; then
+  . "${_EXEC}/${_PATH}/index.cgi"
+elif [ ! -d "${_EXEC}/${_PATH}" -a -x "${_EXEC}/${_PATH}" ]; then
+  . "${_EXEC}/${_PATH}"
+elif [ ! -x "${_EXEC}/${_PATH}" -a -r "${_EXEC}/${_PATH}" ]; then
+  . "$_EXEC/cgilite/file.sh"
+  FILE "${_EXEC}/${_PATH}"
+else
+  printf 'Status: 404 Not Found\r\nContent-Length: 0\r\n\r\n'
+fi