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path: root/etc/functions/put
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## vim:ft=zsh
## put - make a file available via HTTP
## supports as many 'failover' hosts as an array can hold
## Usage: put <file>
## Copyright (C) 2008, 2009 by Daniel Friesel <derf@derf.homelinux.org>
## License: WTFPL <http://sam.zoy.org/wtfpl>

autoload check_com fdie warn
typeset hostname
typeset -a ssh_options hosts
typeset target_dir server_prefix
typeset file remote_file illegal
typeset -i n_hosts n_ping n_curl

if ! check_com curl; then
	function curl {return 0}
	warn "curl not present, won't be able to check upload success"
fi

function put_aneurysm_vpn {
	hostname='aneurysm.wildernet.org'
	ssh_options=(-q)
	target_dir='public_html/tmp/'
	server_prefix='http://aneurysm.wildernet.org/~derf/tmp/'
	illegal='*.(cgi|pl|php|py)'
}

function put_aneurysm_int {
	put_aneurysm
	hostname='aneurysm'
}

function put_aneurysm () {
	hostname='derf.homelinux.org'
	ssh_options=(-q)
	target_dir='public_html/tmp/'
	server_prefix='https://derf.homelinux.org/~derf/tmp/'
	illegal='*.(cgi|pl|php|py)'
}

function put_sievert () {
	hostname='sievert'
	ssh_options=(-q)
	target_dir='www/tmp/'
	server_prefix='https://tabularazor.org/~derf/tmp/'
}

hosts_vpn=(aneurysm_vpn)
hosts=(aneurysm_int aneurysm sievert)

while [[ $1 == -* ]] {
	case $1 in
		*)
			(( $(eval echo '$#'hosts_${1#-}) )) && eval hosts=\(\$hosts_${1#-}\)
		;;
	esac
	shift
}


n_hosts=$#hosts
if [[ -f $1 ]] {
	file=$1
	while (( $#hosts )) {
		remote_file=${file:t}
		put_$hosts[1]
		ping -c 1 $hostname &> /dev/null || ping6 -c 1 $hostname &> /dev/null
		if (( ? == 0 )) {
			if [[ $remote_file == ${~illegal} ]] {
				remote_file=${remote_file:r}
			}
			scp $ssh_options $file $hostname:$target_dir/$remote_file
			ssh $ssh_options $hostname "chmod 644 $target_dir$remote_file"
			if $(curl -fI $server_prefix$remote_file &> /dev/null); then
				echo $server_prefix$remote_file
				return 0
			else
				(( n_curl++ ))
			fi
		} else {
			(( n_ping++ ))
		}
		shift hosts
	}
	fdie "Tried uploading to $n_hosts hosts without success"
	((n_ping)) && fdie " - $n_ping hosts are unreachable"
	((n_curl)) && fdie " - $n_curl errors while uploading"
} else {
	fdie "$1: No such file"
}