コンソールからradiko.jp聞くやつ。

play_radiko.sh

#!/bin/bash

if [ $# -eq 1 ]; then
  channel=$1
else
  echo "usage : $0 channel_name"
  echo "         channel_name list"
  echo "           TBS Radio: TBS"
  echo "           Nippon Cultural Broadcasting: QRR"
  echo "           Nippon Broadcasting: LFR"
  echo "           Radio Nippon: JORF"
  echo "           Inter FM: INT"
  echo "           Tokyo FM: FMT"
  echo "           J-WAVE: FMJ"
  echo "           bayfm 78.0MHz: BAYFM78"
  echo "           NACK5: NACK5"
  echo "           FM yokohama 84.7: YFM"
  exit 1
fi

#
# parameter setting
#
pid=$$
date=`date '+%Y-%m-%d-%H:%M'`
playerurl=http://radiko.jp/player/swf/player_4.1.0.00.swf
outdir="${XDG_CACHE_HOME:-/tmp}/radio"
playerfile="${outdir}/player.swf"
keyfile="${outdir}/authkey.png"
auth1_fms_file="${outdir}/auth1_fms_${pid}"
auth2_fms_file="${outdir}/auth2_fms_${pid}"
channel_file="${outdir}/${channel}.xml"
mkdir -p ${outdir}

#
# get player
#
if [ ! -f $playerfile ]; then
  wget -q -O $playerfile $playerurl

  if [ $? -ne 0 ]; then
    echo "failed to get player"
    exit 1
  fi
fi

#
# get keydata (need swftool)
#
if [ ! -f $keyfile ]; then
  swfextract -b 14 $playerfile -o $keyfile

  if [ ! -f $keyfile ]; then
    echo "failed to get keydata"
    exit 1
  fi
fi

if [ -f ${auth1_fms_file} ]; then
  rm -f ${auth1_fms_file}
fi

#
# access auth1_fms
#
wget -q \
     --header="pragma: no-cache" \
     --header="X-Radiko-App: pc_1" \
     --header="X-Radiko-App-Version: 2.0.1" \
     --header="X-Radiko-User: test-stream" \
     --header="X-Radiko-Device: pc" \
     --post-data='\r\n' \
     --no-check-certificate \
     --save-headers \
     -O ${auth1_fms_file} \
     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_file}`
offset=`perl -ne 'print $1 if(/x-radiko-keyoffset: (\d+)/i)' ${auth1_fms_file}`
length=`perl -ne 'print $1 if(/x-radiko-keylength: (\d+)/i)' ${auth1_fms_file}`

partialkey=`dd if=$keyfile bs=1 skip=${offset} count=${length} 2> /dev/null | base64`

printf "authtoken: ${authtoken}\noffset: ${offset} length: ${length}\npartialkey: $partialkey\n"

rm -f ${auth1_fms_file}

if [ -f ${auth2_fms_file} ]; then
  rm -f ${auth2_fms_file}
fi

#
# access auth2_fms
#
wget -q \
     --header="pragma: no-cache" \
     --header="X-Radiko-App: pc_1" \
     --header="X-Radiko-App-Version: 2.0.1" \
     --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_file} \
     https://radiko.jp/v2/api/auth2_fms

if [ $? -ne 0 -o ! -f ${auth2_fms_file} ]; then
  echo "failed auth2 process"
  exit 1
fi

echo "authentication success"

areaid=`perl -ne 'print $1 if(/^([^,]+),/i)' ${auth2_fms_file}`
echo "areaid: $areaid"

rm -f ${auth2_fms_file}

#
# rtmpdump and mplayer
#
rtmpdump -v \
         -r 'rtmpe://f-radiko.smartstream.ne.jp' \
         --app "${channel}/_definst_" \
         --playpath 'simul-stream.stream' \
         -W $playerurl \
         -C S:"" -C S:"" -C S:"" -C S:$authtoken \
         --live\
         | mplayer -