shtinyurl.sh revision 34f9b3eef6fdadbda0a846aa4d68691ac40eace5
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# CDDL HEADER START
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# The contents of this file are subject to the terms of the
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# Common Development and Distribution License (the "License").
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# You may not use this file except in compliance with the License.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# See the License for the specific language governing permissions
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# and limitations under the License.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# When distributing Covered Code, include this CDDL HEADER in each
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# If applicable, add the following below this CDDL HEADER, with the
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# fields enclosed by brackets "[]" replaced with your own identifying
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# information: Portions Copyright [yyyy] [name of copyright owner]
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# CDDL HEADER END
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# Use is subject to license terms.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# Solaris needs /usr/xpg6/bin:/usr/xpg4/bin because the tools in /usr/bin are not POSIX-conformant
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chinexport PATH=/usr/xpg6/bin:/usr/xpg4/bin:/bin:/usr/bin
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# Make sure all math stuff runs in the "C" locale to avoid problems
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# with alternative # radix point representations (e.g. ',' instead of
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# '.' in de_DE.*-locales). This needs to be set _before_ any
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# floating-point constants are defined in this script).
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# parse HTTP return code, cookies etc.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin # we use '\r' as additional IFS to filter the final '\r'
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin IFS=$' \t\r' read -r h statuscode statusmsg # read HTTP/1.[01] <code>
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin [[ "$h" != ~(Eil)HTTP/.* ]] && { print -u2 -f $"%s: HTTP/ header missing\n" "$0" ; return 1 ; }
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin [[ "$statuscode" != ~(Elr)[0-9]* ]] && { print -u2 -f $"%s: invalid status code\n" "$0" ; return 1 ; }
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin response.content_type="${i/~(El).*:[[:blank:]]*/}"
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin integer response.content_length="${i/~(El).*:[[:blank:]]*/}"
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin response.transfer_encoding="${i/~(El).*:[[:blank:]]*/}"
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin [[ "${hexchunksize}" == ~(Elri)[0-9abcdef]* ]] &&
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin (( chunksize=16#${hexchunksize} )) && (( chunksize > 0 )) ; do
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin # we assume "inputurl" is a correctly encoded URL which doesn't
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz (( $? != 0 )) && { print -u2 -f $"%s: Could not open connection to %s.\n" "$0" "${url_host}" ; return 1 ; }
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin response="${ cat_http_body "${httpresponse.transfer_encoding}" <&${netfd} ; }"
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin redirect {netfd}<&-
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin if (( httpresponse.statuscode >= 200 && httpresponse.statuscode <= 299 )) ; then
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin print -u2 -f $"tinyurl response was (%s,%s):\n%s\n" "${httpresponse.statuscode}" "${httpresponse.statusmsg}" "${response}"
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # we assume "inputurl" is a correctly encoded URL which doesn't
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz (( $? != 0 )) && { print -u2 -f $"%s: Could not open connection to %s.\n" "$0" "${url_host}" ; return 1 ; }
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz response="${ cat_http_body "${httpresponse.transfer_encoding}" <&${netfd} ; }"
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz redirect {netfd}<&-
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz if (( httpresponse.statuscode >= 200 && httpresponse.statuscode <= 299 )) ; then
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # the statement below should really parse the XML...
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz print -r -- "${response/~(Elr).*(\<url\>)(.*)(\<\/url\>).*/\2}"
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz print -u2 -f $"tr.im response was (%s,%s):\n%s\n" "${httpresponse.statuscode}" "${httpresponse.statusmsg}" "${response}"
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin getopts -a "${progname}" "${shtinyurl_usage}" OPT '-?'
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# program start
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# HTTP protocol client identifer
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainztypeset -r http_user_agent="shtinyurl/ksh93 (2009-08-12; ${ uname -s -r -p ; })"
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz[-?\n@(#)\$Id: shtinyurl (Roland Mainz) 2009-08-12 \$\n]
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin[-author?Roland Mainz <roland.mainz@nrubsig.org>]
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz[+NAME?shtinyurl - create short alias URL from long URL]
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin[+DESCRIPTION?\bshtinyurl\b is a small utility which passes a given URL
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz to internet service which creates short aliases in the
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz form of http://<servicename>/XXXXXXXX to redirect long URLs.]
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin[+?The first arg \burl\b describes a long URL which is transformed into
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin a tinyurl.com short alias.]
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz[P:provider?Service provider (either \'tinyurl.com\' or \'tr.im\').]:[mode]
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz[+SEE ALSO?\bksh93\b(1), \brssread\b(1), \bshtwitter\b(1), http://www.tinyurl.com, http://tr.im]
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chinwhile getopts -a "${progname}" "${shtinyurl_usage}" OPT ; do
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# printmsg "## OPT=|${OPT}|, OPTARG=|${OPTARG}|"
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin# expecting at least one more argument
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# not reached