visual improvements

[confetti] / index.cgi

diff --git a/index.cgi b/index.cgi
index 919cf243b963d2829313f90c12632110cdf8f3a2..327135f8f21529e9cb029bba29b530e3a22a5ad8 100755 (executable)
--- a/index.cgi
+++ b/index.cgi
@@ -1,21 +1,51 @@
 #!/bin/zsh
 
-call=$0
-real=$call
-
+# basic functions
 die() {
   echo "$*" >/dev/stderr
   exit 1
 }
+debug() { #change to false to disable debugging
+  #true && echo "$*" >>debug
+  true && [ -n "$*" ] && echo "$*" >>/dev/stderr
+  true && [ -z "$*" ] && tee /dev/stderr
+}
 
+# 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
-_STOR="$(dirname "$call")"  #storage 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"
 
-[ -w "$_EXEC" ] && [ -d "$_EXEC" ] || die "storage directory must be writable"
+cgi_get
+debug "$_GET"
 
-echo ex: $_EXEC
-echo st: $_STOR
+. "$_EXEC/page.sh"