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How we hacked a forum
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Jeremy Yen
March 23, 2017
Technology
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How we hacked a forum
Jeremy / PCC @ SITCON 2017 LT
Jeremy Yen
March 23, 2017
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Transcript
)088&)"$,&%" '036. +FSFNZ:FO1$$!4*5$0/-5
Forum? 論壇?
None
⼤大家都可以發⾔言 才是「論壇」
None
解決⽅方案 • 排隊發⾔言 • 限制時間
PDModerator
Panel Discussion Moderator
使⽤用技術 • 前端:Vue.js • 後端:Express.js • 資料庫:MongoDB • Websocket: vue-socket.io
/ socket.io
參參與者介⾯面 Attendee 主持⼈人介⾯面 Moderate 講者佇列列 Queue Websocket Websocket
None
但是...
None
Websocket 連上了了 Websocket 斷了了 Websocket 正在 Reconnect
Gravatar 需要拿 Email 算 md5
None
因為把 null 放進 md5() 600 pm2 auto restart
論壇資料統計 191 發⾔言申請 83 匿名/場內發⾔言
論壇資料統計 46 戰語⾔言 9 戰演算法 26 來來亂的
最奇耙發⾔言
– 匿名 我是打過兩兩年年比賽的慣 C 競賽 選⼿手,你聽過 C 和 C++ 的不
同嗎?你有讀過 C 語⾔言規格書 嗎?如果沒有,你閉嘴吧。此 刻,我的 gcc 正快速編譯著。
– 匿名的程序猿 各程式語系者,應和平相處, 相互合作,互補各語系的屬性。 何須相互幹話焉?畢竟在外⼈人 眼中,我等⼤大同⼩小異異
– 匿名妹紙 想追 A 男,跑去他的社團,結 果對⽅方談話太⾼高深無法理理解, 覺得難過,後來來我就被同⼀一社 團內會講⼈人話的 B 男追走了了。
不要再抱怨追不到妹⼦子或哥哥 了了,先講⿇麻瓜懂的話好ㄇ
– 匿名 只會打競賽錯了了嗎?壯哉我⼤大 C++!
– 主持⼈人 C++什什麼的根本不夠技術, 我都寫 whitespace。以下是 ⼀一段範例例程式碼:
– C++ ⼀一定是⼀一例例⼀一休害的!
– ⼀一例例⼀一休 我就說是缺少老司機了了! 你們給我出來來當老司機!
– Trump America first! SITCON second!!!!!!!
– QWQ <script>location.src="https: //xvideoes.com";</script>
github.com/ jeremy5189/ PDModerator 論壇所有 發⾔言資料