simple message/error display

[confetti] / index.cgi

diff --git a/index.cgi b/index.cgi
index 1188621ec86451107ef2bb07df205e895e6b428f..f18743956e9607ce88fe019254b7fd67759c378a 100755 (executable)
--- a/index.cgi
+++ b/index.cgi
@@ -1,52 +1,51 @@
-#!/bin/zsh
-
-# basic functions
-die() {
-  echo "$*" >/dev/stderr
-  exit 1
-}
-debug() { #change to false to disable debugging
-  true && echo "$*" >>debug
+#!/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=''
+
+yield_page() {
+  local class="$1" style="$2"
+  printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
+  { printf '
+       [html [head
+         [meta name="viewport" content="width=device-width"]
+         [link rel="stylesheet" type="text/css" href="/style.css"]
+    '
+    [ -n "$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 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 _STOR
-call=$0
-real=$call
-while [ -L "$real" ]; do
-  real="$(stat -c %N "$real" |sed -r "s:..*. -> .(.*).$:\1:")"
-done
-
-_EXEC="$(dirname "$real")"  #execution directory
-_STOR="$(dirname "$call")"  #storage directory
-
-debug "Execution dir: $_EXEC"
-debug "Storage dir: $_EXEC"
-
-[ -w "$_EXEC" ] && [ -d "$_EXEC" ] || die "storage directory must be writable"
-
-# create directories for object storage
-for each in "$_STOR"/{vcard,mappings}; do
-  [ ! -e "$each" ] && mkdir "$each"
-  [ -w "$each" ] && [ -d "$each" ] || die "storage $each must be a writable directory"
-done
-
-# create htaccess file
-[ -f .htaccess ] || cat >.htaccess <<EOF
-Options                +ExecCGI
-AddHandler     cgi-script .cgi
-DirectoryIndex index.cgi
-EOF
-[ -f .htaccess ] || die "no htaccess file present and unable to create one"
-
-# parse HTTP GET string
-declare -A _GET
-echo "$QUERY_STRING" |tr '&' '\n' |while read query; do
-  key="$(echo "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\1:')"
-  val="$(echo "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\2:')"
-  _GET["$key"]="$(echo -e "$(echo "$val" |sed 's:+: :g;s:%:\\x:g')")"
-done
-debug "$_GET"
-
+if   [   -d "${_EXEC}/${_PATH}" -a -x "${_EXEC}/${_PATH}/main.cgi" ]; then
+  . "${_EXEC}/${_PATH}/main.cgi"
+elif [ ! -d "${_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