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radiko.jpを再生・録音する / Bash
#!/bin/bash
#############################################
#
# matchy2/rec_radiko.sh
# https://gist.github.com/matchy2/3956266
# まっつん/radiko.sh
# https://mtunn.wordpress.com/odroid-u2★セットアップ/radikoの録音・再生(archlinux)/
#
# Mod by Oyakodon
# http://oykdn.com/
# 2017 (c) Oyakodon
#
# radiko仕様変更対応済み( 2017-2-3 )
#
#############################################
LANG=ja_JP.utf8
pid=$$
date=`date '+%Y-%m-%d-%H_%M'`
wkdir='/var/tmp'
outdir="."
# Depend on radiko.jp's specification.
playerurl=http://radiko.jp/apps/js/flash/myplayer-release.swf
playerfile="${wkdir}/player.swf"
keyfile="${wkdir}/authkey.png"
#############################################
# Usage
show_usage() {
echo 'Usage:'
echo ' RECORD MODE' 1>&2
echo " `basename $0` [-d out_dir] [-f file_name]" 1>&2
echo ' [-t rec_minute] [-s Starting_position] channel' 1>&2
echo ' -d Default out_dir = $HOME' 1>&2
echo ' -f Default file_name = channel_YYYYMMDD_HHMM_PID' 1>&2
echo ' -t Default rec_minute = 1' 1>&2
echo ' 60 = 1 hour, 0 = go on recording until stopped(control-C)' 1>&2
echo ' -s Default starting_position = 00:00:00' 1>&2
echo ' PLAY MODE' 1>&2
echo " `basename $0` -p [-t play_minute] channel" 1>&2
echo ' -p Play mode. No recording.' 1>&2
echo ' -t Default play_minute = 0' 1>&2
echo ' 60 = 1 hour, 0 = go on recording until stopped(control-C)' 1>&2
}
#############################################
# Authorize
Authorize() {
#
# get player
#
if [ ! -f $playerfile ]; then
wget -q -O $playerfile $playerurl
if [ $? -ne 0 ]; then
echo "failed get player"
exit 1
fi
fi
#
# get keydata (need swftool)
#
if [ ! -f $keyfile ]; then
swfextract -b 12 $playerfile -o $keyfile
if [ ! -f $keyfile ]; then
echo "failed get keydata"
exit 1
fi
fi
if [ -f auth1_fms_${pid} ]; then
rm -f auth1_fms_${pid}
fi
#
# access auth1_fms
#
wget -q \
--header="pragma: no-cache" \
--header="X-Radiko-App: pc_ts" \
--header="X-Radiko-App-Version: 4.0.0" \
--header="X-Radiko-User: test-stream" \
--header="X-Radiko-Device: pc" \
--post-data='\r\n' \
--no-check-certificate \
--save-headers \
-O auth1_fms_${pid} \
https://radiko.jp/v2/api/auth1_fms
if [ $? -ne 0 ]; then
echo "failed auth1 process"
exit 1
fi
#
# get partial key
#
authtoken=`perl -ne 'print $1 if(/x-radiko-authtoken: ([\w-]+)/i)' auth1_fms_${pid}`
offset=`perl -ne 'print $1 if(/x-radiko-keyoffset: (\d+)/i)' auth1_fms_${pid}`
length=`perl -ne 'print $1 if(/x-radiko-keylength: (\d+)/i)' auth1_fms_${pid}`
partialkey=`dd if=$keyfile bs=1 skip=${offset} count=${length} 2> /dev/null | base64`
#echo "authtoken: ${authtoken} \noffset: ${offset} length: ${length} \npartialkey: $partialkey"
rm -f auth1_fms_${pid}
if [ -f auth2_fms_${pid} ]; then
rm -f auth2_fms_${pid}
fi
#
# access auth2_fms
#
wget -q \
--header="pragma: no-cache" \
--header="X-Radiko-App: pc_ts" \
--header="X-Radiko-App-Version: 4.0.0" \
--header="X-Radiko-User: test-stream" \
--header="X-Radiko-Device: pc" \
--header="X-Radiko-AuthToken: ${authtoken}" \
--header="X-Radiko-PartialKey: ${partialkey}" \
--post-data='\r\n' \
--no-check-certificate \
-O auth2_fms_${pid} \
https://radiko.jp/v2/api/auth2_fms
if [ $? -ne 0 -o ! -f auth2_fms_${pid} ]; then
echo "failed auth2 process"
exit 1
fi
#echo "authentication success"
areaid=`perl -ne 'print $1 if(/^([^,]+),/i)' auth2_fms_${pid}`
#echo "areaid: $areaid"
rm -f auth2_fms_${pid}
#
# get stream-url
#
if [ -f ${channel}.xml ]; then
rm -f ${channel}.xml
fi
wget -q "http://radiko.jp/v2/station/stream/${channel}.xml"
stream_url=`echo "cat /url/item[1]/text()" | xmllint --shell ${channel}.xml | tail -2 | head -1`
url_parts=(`echo ${stream_url} | perl -pe 's!^(.*)://(.*?)/(.*)/(.*?)$/!$1://$2 $3 $4!'`)
rm -f ${channel}.xml
} # end of Authorize
#############################################
# Record
Record() {
# rtmpdump
rtmpdump \
-r ${url_parts[0]} \
--app ${url_parts[1]} \
--playpath ${url_parts[2]} \
-W $playerurl \
-C S:"" -C S:"" -C S:"" -C S:$authtoken \
--live \
--stop ${DURATION} \
--flv "/tmp/${channel}_${date}"
ffmpeg -loglevel quiet -y -ss "${starting}" -i "/tmp/${channel}_${date}" -acodec libmp3lame -ab 128k "${outdir}/${filename}.mp3"
if [ $? = 0 ]; then
echo "[ffmpeg] convert failed."
rm -f "/tmp/${channel}_${date}"
fi
} # end of Record
#############################################
# Play
Play() {
# rtmpdump
rtmpdump \
-r ${url_parts[0]} \
--app ${url_parts[1]} \
--playpath ${url_parts[2]} \
-W $playerurl \
-C S:"" -C S:"" -C S:"" -C S:$authtoken \
--live \
--stop ${DURATION} | \
mplayer -ao alsa:device=plughw=1.0 -
} # end of Play
#############################################
# Main
# Get Options
while getopts pd:f:t:s: OPTION
do
case $OPTION in
p ) OPTION_p=true
;;
d ) OPTION_d=true
VALUE_d="$OPTARG"
;;
f ) OPTION_f=ture
VALUE_f="$OPTARG"
;;
t ) OPTION_t=true
VALUE_t="$OPTARG"
if ! expr "${VALUE_t}" : '[0-9]*' > /dev/null ; then
show_usage ; exit 1
fi
;;
s ) OPTION_s=ture
VALUE_s="$OPTARG"
;;
* ) show_usage ; exit 1 ;;
esac
done
# Get Channel
shift $(($OPTIND - 1))
if [ $# -ne 1 ]; then
show_usage ; exit 1
fi
channel=$1
if [ ! "${OPTION_p}" ]; then
#
# RECORD Mode
#
# Get Directory
if [ ! "$OPTION_d" ]; then
cd ${HOME}
else
if echo ${VALUE_d}|grep -q -v -e '^./\|^/'; then
mkdir -p "${HOME}/${VALUE_d}"
if [ $? -ne 0 ]; then
echo "[stop] failed make directory (${HOME}/${VALUE_d})" 1>&2 ; exit 1
fi
cd "${HOME}/${VALUE_d}"
else
mkdir -p ${VALUE_d}
if [ $? -ne 0 ]; then
echo "[stop] failed make directory (${VALUE_d})" 1>&2 ; exit 1
fi
cd ${VALUE_d}
fi
fi
# Get File Name (if VALUE_f not set, set default path = "${channel}_${date}_${pid}")
filename=${VALUE_f:=${channel}_${date}_${pid}}
# Get Minute(s)
min=${VALUE_t:=1}
DURATION=`expr ${min} \* 60`
# Get Starting Position
starting=${VALUE_s:='00:00:00'}
Authorize && Record
else
#
# PLAY Mode
#
# Get Minute(s)
DURATION=`expr ${VALUE_t:=0} \* 60`
Authorize && Play
fi
# end of Main
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