批量删微博

batch-delete-weibo.js

/**
 * 在 m.weibo.cn 的 console 里跑
 */

let startPageNo = 1
let pageLength = 90

let delInterval = 1543

let options = {
    credentials: 'include'
}

let seq = Array.from(new Array(pageLength), function (a, i) {
    return i + startPageNo
}).map(function (i) {
    return function (previousCards = []) {
        return fetch('https://m.weibo.cn/api/container/getIndex'
                + '?containerid=2304131713075833_-_WEIBO_SECOND_PROFILE_WEIBO&page_type=03'
                + '&page=' + i,
            options
        ).then(function (res) {
            return res.json()
        }).then(function ({ok, cards}) {
            if (!ok) {
                return Promise.resolve([])
            }
            cards = cards.filter(function (card) {
                return card.card_type === 9
            }).map(function ({mblog}) {
                return mblog.mid
            })
            console.log('获取mid... %d条', cards.length)
            return previousCards.concat(cards)
        })
    }
})


waterfall(seq).then(function (mids) {
    console.log(mids.join(','))
    console.log('预计在 %s 结束', (new Date(Date.now() + mids.length * (delInterval + 400))).toString())
    return waterfall(getDelTasks(mids))
}).catch(function (err) {
    console.log(err)
})

function getDelTasks(mids) {
    return mids.map(function (mid) {
        return function () {
            let body = new FormData()
            body.append('st', 'a346b3') // <-- 这个先删一条抓包看下是啥
            body.append('id', mid)

            return new Promise(function (resolve, reject) {
                return fetch('https://m.weibo.cn/mblogDeal/delMyMblog', Object.assign({
                    method: 'POST',
                    body
                }, options)).then(function (res) {
                    return res.json()
                }).then(function ({ok, msg}) {
                    console.log('[%s] %s', mid, msg)
                    setTimeout(function () {
                        // 删太快了会出一段时间的 403
                        resolve()
                    }, delInterval)
                }).catch(function (err) {
                    console.log('[%s] 删除失败 %s', mid, err.message)
                    reject()
                })
            })
        }
    })
}

// https://github.com/dotSlashLu/promise-waterfall
function isPromise(obj) {
  return obj && typeof obj.then === 'function';
}

function waterfall(list) {
  // malformed argument
  list = Array.prototype.slice.call(list);
  if (!Array.isArray(list)                    // not an array
      || typeof list.reduce !== "function"    // update your javascript engine
      || list.length < 1                      // empty array
     ) {
    return Promise.reject("Array with reduce function is needed.");
  }

  if (list.length == 1) {
    if (typeof list[0] != "function")
      return Promise.reject("First element of the array should be a function, got " + typeof list[0]);
    return Promise.resolve(list[0]());
  }

  return list.reduce(function(l, r){
    // first round
    // execute function and return promise
    var isFirst = (l == list[0]);
    if (isFirst) {
      if (typeof l != "function")
        return Promise.reject("List elements should be function to call.");

      var lret = l();
      if (!isPromise(lret))
        return Promise.reject("Function return value should be a promise.");
      else
        return lret.then(r);
    }

    // other rounds
    // l is a promise now
    // priviousPromiseList.then(nextFunction)
    else {
      if (!isPromise(l))
        Promise.reject("Function return value should be a promise.");
      else
        return l.then(r);
    }
  });
}