#!/bin/csh -f
#
# script to automate installation of the CNSsolve HTML interface on
# a local WWW server - this script makes changes to the WWW server
# and should be run by the WWW server adminstrator
#
# need to know:
#   - location of the CNSsolve directory
#   - path to start of WWW tree (directory from which documents are served)
#   - full path to the cgi-bin directory
#
# the CNSsolve directory must be visible from the WWW server
#
# the HTML interface will be installed at the root level of the
# WWW tree
#
# Written by: Paul Adams 6-2-98
#
# copyright Yale University
#
set expert=0
#
foreach arg ( $argv[*] )
 switch ( $arg )
 case -expert:
   set expert=1
   breaksw
 case -help:
   echo "usage: www_server_setup [-expert]"
   exit 0
 default:
   echo "www_server_setup: unknown option $arg"
   exit 1
 endsw
end
#
# defaults:
#
if ( $?CNS_SOLVE ) then
 set cns_dir=$CNS_SOLVE
else
 set cns_dir=$PWD
endif
set www_root="/home/httpd/html"
set cgi_dir="/home/httpd/cgi-bin"
#
echo -n "location of CNSsolve directory [default: $cns_dir ]-> "
set response=$<
if ( $response != "" ) then
 set cns_dir=`echo $response | sed -e 's/\/$//'`
endif
#
if ( ! -e $cns_dir ) then
 echo "CNSsolve directory does not exist"
 echo "aborting installation"
 exit 1
endif
#
set version=`grep -i 'parameter *(cnsversion' $cns_dir/source/version.inc | cut -d\' -f2`
set patch=`grep -i 'parameter *(cnspatch' $cns_dir/source/version.inc | cut -d\' -f2`
if ( $patch == 0 ) set patch=''
set version=$version$patch
#
echo -n "path to the start of WWW tree [default: $www_root ]-> "
set response=$<
if ( $response != "" ) then
 set www_root=`echo $response | sed -e 's/\/$//'`
endif
#
echo -n "full path to CGI directory [default: $cgi_dir ]-> "
set response=$<
if ( $response != "" ) then
 set cgi_dir=`echo $response | sed -e 's/\/$//'`
endif
#
echo "=============================================================="
echo "location of the CNSsolve directory is: $cns_dir"
echo "version of CNSsolve is: $version"
echo "path to the start of the WWW tree is: $www_root"
echo "location of the CGI directory is: $cgi_dir"
echo "=============================================================="
#
echo -n "continue with these parameters? [y/n]-> "
set response=$<
if ( $response == "y" || $response == "Y" ) then
 echo "proceeding with CNSsolve HTML interface installation"
else
 exit 0
endif
#
if ( ! -e $cgi_dir ) then
 echo "directory $cgi_dir does not exist"
 echo "aborting installation"
 exit 1
endif
#
if ( ! -e $www_root ) then
 echo "cannot set directory to $www_root"
 echo "aborting installation"
 exit 1
else
 cd $www_root
endif
#
set cns_www_root=cns_solve_$version
#
if ( ! -d $cns_www_root ) then
 echo "making directory $www_root/$cns_www_root"
 mkdir $cns_www_root
endif
#
cd $cns_www_root
#
echo "making Apache/Httpd authentication file $www_root/$cns_www_root/.htaccess"
echo 'AuthUserFile /dev/null \
AuthGroupFile /dev/null \
AuthName AllowFromNone \
AuthType Basic \
\
<Limit GET> \
 order deny,allow \
 deny from all \
 allow from none \
</Limit>' > .htaccess
#
if ( -e $cns_dir/inputs ) then
 if ( -e $www_root/$cns_www_root/inputs ) then
    echo "removing old link for $www_root/$cns_www_root/inputs"
   /bin/rm $www_root/$cns_www_root/inputs
 endif
 echo "adding link from $cns_dir/inputs to $www_root/$cns_www_root/inputs"
 /bin/ln -s $cns_dir/inputs inputs
else
 echo "$cns_dir/inputs does not exist"
 echo "aborting installation"
 exit 1
endif  
#
if ( -e $cns_dir/modules ) then
 if ( -e $www_root/$cns_www_root/modules ) then
    echo "removing old link for $www_root/$cns_www_root/modules"
   /bin/rm $www_root/$cns_www_root/modules
 endif
 echo "adding link from $cns_dir/modules to $www_root/$cns_www_root/modules"
 /bin/ln -s $cns_dir/modules modules
else
 echo "$cns_dir/modules does not exist"
 echo "aborting installation"
 exit 1
endif  
#
if ( -e $cns_dir/libraries ) then
 if ( -e $www_root/$cns_www_root/libraries ) then
    echo "removing old link for $www_root/$cns_www_root/libraries"
   /bin/rm $www_root/$cns_www_root/libraries
 endif
 echo "adding link from $cns_dir/libraries to $www_root/$cns_www_root/libraries"
 /bin/ln -s $cns_dir/libraries libraries
else
 echo "$cns_dir/libraries does not exist"
 echo "aborting installation"
 exit 1
endif  
#
if ( -e $cns_dir/utils ) then
 if ( -e $www_root/$cns_www_root/utils ) then
    echo "removing old link for $www_root/$cns_www_root/utils"
   /bin/rm $www_root/$cns_www_root/utils
 endif
 echo "adding link from $cns_dir/utils to $www_root/$cns_www_root/utils"
 /bin/ln -s $cns_dir/utils utils
else
 echo "$cns_dir/utils does not exist"
 echo "aborting installation"
 exit 1
endif  
#
if ( ! -e doc ) then
 echo "making directory $www_root/$cns_www_root/doc"
 mkdir doc
endif
if ( ! -e doc/html ) then
 echo "making directory $www_root/$cns_www_root/doc/html"
 mkdir doc/html
endif
#
echo "making Apache/Httpd authentication file $www_root/$cns_www_root/doc/html/.htaccess"
echo 'AuthUserFile /dev/null \
AuthGroupFile /dev/null \
AuthName AllowFromNone \
AuthType Basic \
\
<Limit GET> \
 order deny,allow \
 deny from all \
 allow from all \
</Limit>' > doc/html/.htaccess
#
if ( -e $cns_dir/doc/html/icons ) then
 if ( -e $www_root/$cns_www_root/doc/html/icons ) then
   echo "removing old link for $www_root/$cns_www_root/doc/html/icons"
   /bin/rm $www_root/$cns_www_root/doc/html/icons
 endif
 echo "adding link: $cns_dir/doc/html/icons to $www_root/$cns_www_root/doc/html/icons"
 /bin/ln -s $cns_dir/doc/html/icons doc/html/icons
else
 echo "$cns_dir/doc/html/icons does not exist"
 echo "aborting installation"
 exit 1
endif
#
if ( ! $expert ) then
 if ( ! -e $cns_dir/doc/html/local ) then
   echo "$cns_dir/doc/html/local does not exist"
   echo "you need to have already executed make www_cns"
   echo "aborting installation"
   exit 1
 else
   set cgi_source="$cns_dir/doc/html/local"
 endif
else
 if ( -e $cns_dir/doc/html/local ) then
   set cgi_source="$cns_dir/doc/html/local"
 else if ( -e $cns_dir/doc/html/cgi ) then
   set cgi_source="$cns_dir/doc/html/cgi"
 else
   echo "no CGI source directory exists, check CNS installation"
   echo "aborting installation"
   exit 1
 endif
endif
#
if ( -e $cgi_dir/cns_solve_$version ) then
 echo "a CNSsolve CGI directory already exists: $cgi_dir/cns_solve_$version"
 echo -n "overwrite the files in this directory? [y/n]-> "
 set response=$<
 if ( $response == "y" || $response == "Y" ) then
   echo "overwriting contents of $cgi_dir/cns_solve_$version"
 else
   exit 0
 endif
else
 echo "making subdirectory cns_solve_$version in $cgi_dir"
 mkdir $cgi_dir/cns_solve_$version
endif
#
cd $cgi_source
#
foreach file (*.cgi *.lib)
 if ( -e $cgi_dir/cns_solve_$version/$file ) then
   echo "removing old version of $cgi_dir/cns_solve_$version/$file"
   /bin/rm -f $cgi_dir/cns_solve_$version/$file
 endif
 echo "copying $cgi_source/$file to $cgi_dir/cns_solve_$version"
 /bin/cp $cgi_source/$file $cgi_dir/cns_solve_$version/$file
end
#
echo "Server side of CNSsolve HTML interface installation complete"
#