From 583a91a8017f002897acc7aeaf01153b02f336b1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Sat, 2 Jan 2021 10:02:41 +0100
Subject: [PATCH] path handling and helper functions

---
 index.cgi | 36 +++++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/index.cgi b/index.cgi
index 093a5c4..9d74909 100755
--- a/index.cgi
+++ b/index.cgi
@@ -2,13 +2,24 @@
 
 for n in "$@"; do case ${n%%=*} in
   data) _DATA="${n#data=}";;
-  exec) _exec="${n#exec=}";;
+  exec) _EXEC="${n#exec=}";;
   noerr) exec 2>&-;;
 esac; done
 
 [ -z "${_EXEC%/}" ] && _EXEC="$(realpath "${0%/*}")" || _EXEC="${_EXEC%/}"
 [ -z "${_DATA%/}" ] && _DATA=. || _DATA="${_DATA%/}"
 
+debug() {
+  local dbg=/dev/stderr
+  if [ ! "$DEBUG" ]; then
+    [ "$#" -gt 0 ] && : || cat;
+  elif [ "$#" -gt 0 ]; then
+    printf '%s\n' "$@" >>"$dbg"
+  else
+    tee -a "$dbg"
+  fi
+}
+
 . "$_EXEC/cgilite/cgilite.sh"
 . "$_EXEC/cgilite/session.sh"
 
@@ -18,8 +29,16 @@ 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; }
+checked(){
+  if [ "$1" = "$2" ] || [ "$1" -eq "$2" ]; then
+    printf 'checked="checked"'
+  fi 2>/dev/null
+}
+selected(){
+  if [ "$1" = "$2" ] || [ "$1" -eq "$2" ]; then
+    printf 'selected="selected"'
+  fi 2>/dev/null
+}
 
 yield_page() {
   local class="$1" style="$2"
@@ -34,7 +53,7 @@ yield_page() {
 	  [link rel="stylesheet" type="text/css" href="%s"]
     ' "$style"
     printf '
-	] [body class="%s"
+	] [body #top class="%s"
     ' "$class"
     cat
     [ "$message" ] && printf '[p #message\n%s\n]' $(l10n "$message")
@@ -43,13 +62,20 @@ yield_page() {
   | "${_EXEC}/cgilite/html-sh.sed"
 }
 
-if   [   -d "${_EXEC}/${_PATH}" -a -x "${_EXEC}/${_PATH}/index.cgi" ]; then
+topdir="${_PATH#/}"
+topdir="/${topdir%%/*}"
+
+if [ "${_PATH}" = / ]; then
+  REDIRECT /cards/
+elif   [   -d "${_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}"
+elif   [   -d "${_EXEC}/${topdir}" -a -x "${_EXEC}/${topdir}/index.cgi" ]; then
+  . "${_EXEC}/${topdir}/index.cgi"
 else
   printf 'Status: 404 Not Found\r\nContent-Length: 0\r\n\r\n'
 fi
-- 
2.39.2