自动完成课程脚本

accomplish_courses.sh

#!/usr/bin/env bash

# Prerequisites：
# 1. Install pup
#    brew install pup
# 2. Install jq
#    brew install jq

# set -v

NC='\033[0m'
RED='\033[0;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'

cookie=$BJJNTS_COOKIE
user_agent='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36'
content_type_text_html='text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9'
lang='zh-CN,zh;q=0.9'



function accomplish_lesson() {
    course_id=$1
    lesson_id=$2
    duration=$3

    curl -s "https://www.bjjnts.cn/addstudentTaskVer2/$course_id/$lesson_id" \
        -H 'Connection: keep-alive' \
        -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' \
        -H "Cookie: ${cookie}" \
        -H 'Origin: https://www.bjjnts.cn' \
        -H "Referer: https://www.bjjnts.cn/lessonStudy/$course_id/$(expr $lesson_id - 1)" \
        -H 'Sec-Fetch-Dest: empty' \
        -H 'Sec-Fetch-Mode: cors' \
        -H 'Sec-Fetch-Site: same-origin' \
        -H "User-Agent: ${user_agent}" \
        -H 'X-Requested-With: XMLHttpRequest' \
        -H 'Accept: */*' \
        -H 'Accept-Language: zh-CN,zh;q=0.9' \
        -H 'Pragma: no-cache' \
        -H 'Cache-Control: no-cache' \
        --data-raw "learnTime=${duration}" > /dev/null
}


function accomplish_course() {
    course_id=$1
    first_lesson_id=$2
    course_and_first_lesson_url="https://www.bjjnts.cn/lessonStudy/$course_id/$first_lesson_id"

    first_lesson_html_page=$(curl -s ${course_and_first_lesson_url} \
        -H 'Connection: keep-alive' \
        -H 'Upgrade-Insecure-Requests: 1' \
        -H "User-Agent: ${user_agent}" \
        -H "Accept: ${content_type_text_html}" \
        -H 'Sec-Fetch-Site: same-origin' \
        -H 'Sec-Fetch-Mode: navigate' \
        -H 'Sec-Fetch-User: ?1' \
        -H 'Sec-Fetch-Dest: document' \
        -H 'Referer: https://www.bjjnts.cn/userCourse' \
        -H "Accept-Language: ${lang}" \
        -H "Cookie: ${cookie}")

    lesson_ids=$(echo $first_lesson_html_page | pup '.course_study_sonmenu a attr{data-lessonid}')
    lesson_durations=$(echo $first_lesson_html_page | pup '.course_study_sonmenu a p.course_study_menudate text{}' | sed 's/(\(.*\))/\1/g' | awk -F':' '{ print $1 * 3600 + $2 * 60 + $3 }')
    lesson_id_and_durations=$(paste -d' ' <(echo "$lesson_ids") <(echo "$lesson_durations"))

    while read lesson_id_and_duration
    do 
        accomplish_lesson $(echo "$course_id $lesson_id_and_duration")
        echo "✔ 又TM熬过一堂课 📙：$course_id $lesson_id_and_duration"
    done <<< "$lesson_id_and_durations"
}


function accomplish_courses() {
    course_and_first_lessons=$(curl -s 'https://www.bjjnts.cn/userCourse' \
        -H 'Connection: keep-alive' \
        -H 'Cache-Control: max-age=0' \
        -H 'Upgrade-Insecure-Requests: 1' \
        -H "User-Agent: ${user_agent}" \
        -H "Accept: ${content_type_text_html}" \
        -H 'Sec-Fetch-Site: same-origin' \
        -H 'Sec-Fetch-Mode: navigate' \
        -H 'Sec-Fetch-User: ?1' \
        -H 'Sec-Fetch-Dest: document' \
        -H 'Referer: https://www.bjjnts.cn/userSetting' \
        -H "Accept-Language: ${lang}" \
        -H "Cookie: ${cookie}" | pup '.tinywan_try_view json{}' | jq -r '.[] | .["data-id"] + " " + .["data-cid"]')

    while read course_and_first_lesson
    do
        echo "⏳ 正在混一门课 📚：$course_and_first_lesson"
        accomplish_course $(echo $course_and_first_lesson)
        echo "✔ 终于混完一门课 📚：$course_and_first_lesson"
    done <<< "$course_and_first_lessons"
}



echo -e "${GREEN}逃学威龙：v1991.7.18${NC}"
echo -e "欢迎反馈⮕ ${CYAN}zhanghb@cheche365.com${NC}"

if ! pup --version > /dev/null 2>&1;
then
    echo -e "✘ 未安装${RED}pup${NC}，执行${GREEN}brew install pup${NC}"
    exit 1
fi

if ! jq --version > /dev/null 2>&1;
then
   echo -e "✘ 未安装${RED}jq${NC}，执行${GREEN}brew install jq${NC}"
   exit 1
fi


if [ -z "$BJJNTS_COOKIE" ]
then
    echo -e "✘ 必须指定名为${RED}BJJNTS_COOKIE${NC}的环境变量，此变量的值取自浏览器登录后的${GREEN}开发者工具${NC}"
    exit 1
else
    echo '✔ 环境就绪，开始完成所有名下课程'
    accomplish_courses
    echo '🍺 放学喽～'
fi