はっきりと覚えていませんが、こちらのスクリプトを基に改造しました。
https://gist.github.com/matchy2/3956266
それと、radikoさんの変更があったので、修正もしました。こちらを参考にしました。
http://www.lifewithunix.jp/notes/2016/10/22/radiko-recording-script-for-freebsd-updated/
このように crontab -e で使用しています。
59 3 * * 7 bash ~/radio/rec_radiko.sh FMTOYAMA 61 ~/radio/record 貞夫 >>~/radio/log/sada 2>>~/radio/log/sada-err
------------------------------------------------------------------
#!/bin/bash
LANG=ja_JP.utf8
pid=$$
date=`date '+%Y-%m-%d-%H_%M'`
date2=`date '+16%m%d'`
playerurl=http://radiko.jp/apps/js/flash/myplayer-release.swf
playerfile="/tmp/player.swf"
keyfile="/tmp/authkey.png"
outdir="."
if [ $# -le 1 ]; then
echo "usage : $0 channel_name duration(minuites) [outputdir] [prefix]"
exit 1
fi
if [ $# -ge 2 ]; then
channel=$1
DURATION=`expr $2 \* 60`
fi
if [ $# -ge 3 ]; then
outdir=$3
fi
PREFIX=${channel}
if [ $# -ge 4 ]; then
PREFIX=$4
fi
#
# 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
#
# rtmpdump
#
#rtmpdump -q \
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}_${date}"
ffmpeg -loglevel quiet -y -i "/tmp/${channel}_${date}" -acodec libmp3lame -ab 320k "${outdir}/${PREFIX}${date2}.mp3"
if [ $? = 0 ]; then
rm -f "/tmp/${channel}_${date}"
fi
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Ⅱプロセッサ クロック300MHz というCPUだけど、使えるLinuxはあるのでしょうか。
