https://xuexi-courses.firesbox.com/?utm_source=share#/7000102069/courses/

    1. curl -u clientId:clientSecret -X POST -d "username=test&password=test&grant_type=password&scope=read" http://www.example.com/oauth/token
    3. curl -s -H "Authorization: ${TOKEN}" https://xuexi-courses-api.firesbox.com/v1/courses?offset=0&limit=100&sort=oldest-first 
    5. cat courses.json jq '.courses|.[] |.id' > id-0-200.url
    7. TOKEN="Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiIxNTkwNzciLCJleHAiOjE2NjUxMjU2MzgsImp0aSI6Ijk5NmRhOTE0LWI0ZjAtNDVkMC04ZDAxLTJjZWE0YzE4NjJlZSIsImlhdCI6MTY2NDUyMDgzOCwiaXNzIjoiMzAwMjIiLCJzdWIiOiI3MDAwMTAyMDY5IiwidWlkIjoiM2IyNGQ3ZWQtOTliOS00ODA2LTlhZWItZTY3YWVjYzEyOGJlIiwibW9kZSI6ImNsaWVudCIsInR5cCI6ImFwcHVzZXIiLCJvYXAiOiJtaXhpbiIsInNpZCI6ImY5ODEwODM0ZmNkODRiZTk4NzQyYTM3YmY4MTYxMzkwIn0.wXhhf0yHB_8z9lTlkNos9NOZfZg2xcxl3rUtEvm2tTk"
    9. curl -s -H "Authorization: ${TOKEN}"  https://xuexi-courses-api.firesbox.com/v1/courses/  |jq '.courses | .[] | .id ' >IDS.txt
    12. mkdir output
    14. for ID in `cat IDS.txt` 
    15. do
    16.     echo $ID
    17.     TITLE=`curl -s -H "Authorization: ${TOKEN}"  https://xuexi-courses-api.firesbox.com/v1/courses/$ID |jq '.title'| sed 's/\"//g'`
    19.   if [ ! -f "output/$TITLE.mp3" ]; then
    20.       if [[ $TITLE == * ]];
    21.     then
    22.            echo $TITLE
    23.         curl -s -H "Authorization: ${TOKEN}"  https://xuexi-courses-api.firesbox.com/v1/courses/$ID/messages |jq '.[] | .attachment | .url'| sed 's/\"//g' |grep -v null|grep mp3> url.txt
    25.         cat url.txt
    27.         rm -rf *.mp3
    28.         cat -n url.txt | awk '{print "wget -c " $2 " -O " $1 ".mp3"}' > rename.sh
    29.         sh rename.sh
    31.         ALL=`cat -n url.txt | awk '{print $1 ".mp3"}'|tr '\n' '|'|sed s'/.$//'`
    32.         ffmpeg -y -i "concat:$ALL" -acodec copy output/$TITLE.mp3
    34.         ll output/$TITLE.mp3
    36.         rm -rf *.mp3
    37.     fi
    38.     fi
    39. done
    41. rm -rf url.txt rename.sh IDS.txt