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rec_radiko.sh
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rec_radiko.sh
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#!/bin/sh
cookiefile=./cookie.txt
if [ $# -eq 1 ]; then
channel=$1
output=./$1.aac
elif [ $# -eq 2 ]; then
channel=$1
output=$2
elif [ $# -eq 4 ]; then
channel=$1
output=$2
mail=$3
pass=$4
else
echo "usage : $0 channel_name [outputfile] [mail] [pass]"
exit 1
fi
###
# radiko premium
###
if [ $mail ]; then
wget -q --save-cookie=$cookiefile \
--keep-session-cookies \
--post-data="mail=$mail&pass=$pass" \
https://radiko.jp/ap/member/login/login
if [ ! -f $cookiefile ]; then
echo "failed login"
exit 1
fi
fi
#
# get player
#
wget -q -N --no-if-modified-since http://radiko.jp/apps/js/playerCommon.js
if [ $? -ne 0 ]; then
echo "failed get player"
exit 1
fi
#
# get keydata
#
playerargs=`sed -n 's/.*new RadikoJSPlayer(\(.*\)/\1/p' ./playerCommon.js | sed 's/, /\n/g'`
appid=`echo "$playerargs" | sed -n 2p | sed -e "s/^'//" -e "s/'$//"`
authkey=`echo "$playerargs" | sed -n 3p | sed -e "s/^'//" -e "s/'$//"`
if [ x = x"$authkey" ]; then
echo "failed get keydata"
exit 1
fi
if [ -f auth1 ]; then
rm -f auth1
fi
#
# access auth1
#
wget -q \
--header="X-Radiko-App: ${appid}" \
--header="X-Radiko-App-Version: 0.0.1" \
--header="X-Radiko-User: dummy_user" \
--header="X-Radiko-Device: pc" \
--no-check-certificate \
--load-cookies $cookiefile \
--save-headers \
https://radiko.jp/v2/api/auth1
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`
offset=`perl -ne 'print $1 if(/x-radiko-keyoffset: (\d+)/i)' auth1`
length=`perl -ne 'print $1 if(/x-radiko-keylength: (\d+)/i)' auth1`
partialkey=`echo -n "${authkey}" | dd bs=1 skip=${offset} count=${length} 2> /dev/null | base64`
echo "authtoken: ${authtoken} \noffset: ${offset} length: ${length} \npartialkey: $partialkey"
rm -f auth1
if [ -f auth2 ]; then
rm -f auth2
fi
#
# access auth2
#
wget -q \
--header="X-Radiko-AuthToken: ${authtoken}" \
--header="X-Radiko-PartialKey: ${partialkey}" \
--header="X-Radiko-User: dummy_user" \
--header="X-Radiko-Device: pc" \
--load-cookies $cookiefile \
--no-check-certificate \
https://radiko.jp/v2/api/auth2
if [ $? -ne 0 -o ! -f auth2 ]; then
echo "failed auth2 process"
exit 1
fi
echo "authentication success"
areaid=`perl -ne 'print $1 if(/^([^,]+),/i)' auth2`
echo "areaid: $areaid"
rm -f auth2
#
# get playlist-url
#
if [ -f ${channel}.xml ]; then
rm -f ${channel}.xml
fi
wget -q "http://radiko.jp/v3/station/stream/${appid}/${channel}.xml"
if [ x != x"$ft" ]; then
timefree=1
else
timefree=0
fi
if [ -f $cookiefile ]; then
areafree=1
else
areafree=0
fi
lsid=`date +%s999 -d '999999 seconds' | tr -d '\n' | md5sum | cut -d ' ' -f 1`
playlist_urls=`echo "cat //url[@timefree='${timefree}'][@areafree='${areafree}']/playlist_create_url/text()" | xmllint -shell ${channel}.xml | grep ://`
playlist_url=`echo "$playlist_urls" | head -1`
#playlist_url=`echo "$playlist_urls" | grep -v tf-rpaa.smartstream.ne.jp | head -1`
if [ $areafree = 0 ]; then
connectiontype='b'
else
connectiontype='c'
fi
if [ $timefree = 0 ]; then
playlist_param="station_id=${channel}&l=15&lsid=${lsid}&type=${connectiontype}"
else
playlist_param="station_id=${channel}&start_at=${ft}&ft=${ft}&end_at=${to}&to=${to}&l=15&lsid=${lsid}&type=${connectiontype}"
fi
if echo "$playlist_url" | grep -q -F '?'; then
playlist_url="${playlist_url}&${playlist_param}"
else
playlist_url="${playlist_url}?${playlist_param}"
fi
rm -f ${channel}.xml
#
# ffmpeg
#
cp -i /dev/null "$output"
ffmpeg -nostdin \
-headers "X-Radiko-AuthToken: ${authtoken}" \
-i "$playlist_url" \
-c copy -f adts pipe: > "$output"
# -c copy "$output"