Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
CrystalでTwitter botを作ってみた / Create a Twitter b...
Search
Mihyaeru
July 31, 2015
Programming
0
1.3k
CrystalでTwitter botを作ってみた / Create a Twitter bot in Crystal
東京 Crystal 勉強会 #1 in 五反田
Mihyaeru
July 31, 2015
Tweet
Share
More Decks by Mihyaeru
See All by Mihyaeru
会計 freee バックエンドの今後 / freee backend api
mihyaeru21
8
25k
Railsで実装されている機能のマイクロサービスへの切り離し / split to microservices from rails
mihyaeru21
1
810
WebエンジニアのためのMySQLデータ構造基礎(再) / mysql data structure for web developer 2
mihyaeru21
0
280
WebエンジニアのためのMySQLデータ構造基礎 / mysql data structure for web developer
mihyaeru21
1
680
WebエンジニアのためのMySQL入門 / learning mysql for web developer
mihyaeru21
7
2.6k
入門ReactiveX / about ReactiveX
mihyaeru21
3
450
RxSwiftと愉快な仲間たち / RxSwift with Units
mihyaeru21
4
2.8k
RxSwiftでTwitterの ライブラリを作ってる話 / RxTwift
mihyaeru21
4
740
Gotanda.pm #1
mihyaeru21
1
170
Other Decks in Programming
See All in Programming
AWS CDKの推しポイント 〜CloudFormationと比較してみた〜
akihisaikeda
3
310
Is Xcode slowly dying out in 2025?
uetyo
1
190
Deep Dive into ~/.claude/projects
hiragram
8
1.4k
地方に住むエンジニアの残酷な現実とキャリア論
ichimichi
5
1.3k
設計やレビューに悩んでいるPHPerに贈る、クリーンなオブジェクト設計の指針たち
panda_program
6
1.3k
C++20 射影変換
faithandbrave
0
530
LT 2025-06-30: プロダクトエンジニアの役割
yamamotok
0
360
Bytecode Manipulation 으로 생산성 높이기
bigstark
2
380
Create a website using Spatial Web
akkeylab
0
300
DroidKnights 2025 - 다양한 스크롤 뷰에서의 영상 재생
gaeun5744
3
320
What Spring Developers Should Know About Jakarta EE
ivargrimstad
0
220
#kanrk08 / 公開版 PicoRubyとマイコンでの自作トレーニング計測装置を用いたワークアウトの理想と現実
bash0c7
1
370
Featured
See All Featured
Designing for Performance
lara
609
69k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
252
21k
Automating Front-end Workflow
addyosmani
1370
200k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
657
60k
Testing 201, or: Great Expectations
jmmastey
42
7.5k
Stop Working from a Prison Cell
hatefulcrawdad
270
20k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
700
A Tale of Four Properties
chriscoyier
160
23k
Become a Pro
speakerdeck
PRO
28
5.4k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
Side Projects
sachag
455
42k
Done Done
chrislema
184
16k
Transcript
CrystalͰTwitter botΛ࡞ͬͯΈͨ ౦ژ Crystal ษڧձ #1 in ޒా @mihyaeru21
© 2015 Mihyaeru ͓લͩΕΑ • ϛώϟΤϧ @mihyaeru21 • ࠷ۙSwiftͱPerlΛʑͰ •
ͨ·ʹPython • YAPCͰొஃ͢Δ͜ͱʹͳͬͯΨΫϒϧ 2
© 2015 Mihyaeru ࡞ͬͯΈͨܥLT • ܀΅ͬͱ https://twitter.com/crybot21 • https://github.com/mihyaeru21/crybot •
UserStreamʹܨ͍Ͱϝϯγϣϯͱಉ͡༰Λݴ ͍ฦ͚ͩ͢ • ϩʔΧϧͰಈ͔ͯ͠Δ͔Β͙͢ಈ͔ͳ͘ͳΔӡ໋ 3
© 2015 Mihyaeru ΊͬͪΌ͠ΐ΅͍σϞ 4
ݴ͍ฦ͚ͩ͢Ͱͨ͠
© 2015 Mihyaeru CrystalΛͬͯΈͨײ • ·ΔͰLLΛॻ͍͍ͯΔײ֮ • ๛ͳඪ४Ϟδϡʔϧ͕͋ͬͯศར • Streaming
APIॳΊ࣮͚ͯͨ͠ͲͳΜͱ͔ ͳͬͨ 6
© 2015 Mihyaeru CrystalΛͬͯΈͨײ • ϥΠτʹ͔͚Δ͚Ͳɺܕͷѻ͍ϥΠτͰ ͳ͔ͬͨ • ٽ͘ٽ͘Ϩϕϧͳͱ͜ΖΛॻ͍ͨ •
υΩϡϝϯτιʔείʔυ • RubyΛ͋·ΓΒͳ͔͔ͬͨΒײͨ͡͠͞ 7
© 2015 Mihyaeru ͬͨඪ४Ϟδϡʔϧ • cgi • env • http
• json • oauth • openssl • secure_random • socket • time 8
© 2015 Mihyaeru cgi • URLΤϯίʔυʹ༻ • cgiۭؒʹ͋ͬͨͷ͔ɻɻɻ • uriͱ͔httpͱ͔Λݟ͍ͯͨ
9
© 2015 Mihyaeru env • ڥมͷಡΈࠐΈ • access tokenͱ͔ͷಡΈࠐΈʹ༻ •
ී௨ʹHashͬΆ͑ͨ͘ 10
© 2015 Mihyaeru http (./client ./request) • ΧδϡΞϧʹ͑Δ • ௨৴ͷ్தͰίʔϧόοΫͱ͔ʹσʔλΛྲྀ
ͯ͘͠ΕΔ͕ͭ(ݟͨݶΓ)ແ͔ͬͨ • υΩϡϝϯτ͔ΒભҠ͢Διʔείʔυ͕Ϧ Ϧʔε൛ΑΓ৽ͯ͘͠ϋϚͬͨ 11
© 2015 Mihyaeru json • ͱΓ͋͑ͣ JSON.parse • σίʔυ݁Ռ͍͢͝ܕʹͳ͍ͬͯͯฦΓ ͷѻ͍͕ຯʹ͔ͬͨ͠
12
© 2015 Mihyaeru oauth • ௨৴·Ͱͬͯ͘ΕΔ͔ͱࢥ͚ͬͨͲҧͬͨ • ͬͨͷ OAuth::Signature •
໘ͳAuthϔομΛͺͬͱ࡞Ε͍͍ͯײ͡ • খճΓ͕ޮ͘ײ 13
© 2015 Mihyaeru openssl • OpenSSL::SSL::Socket • SSL༻ʹTCPSocketΛแΈࠐΜͰ͚͋͛ͨͩ 14
© 2015 Mihyaeru secure_random • nonceΛ࡞Δͷʹར༻ • SecureRandom.hex(32) ͰɺͱΓ͋͑ͣ32ܻ ͷ16ਐจࣈྻ͕ಘΒΕΔ
• nonceʹUUIDͷϋογϡΛ͓͏ͱࢥͬͯ ͚ͨͲUUIDϞδϡʔϧ͕ແ͔ͬͨ 15
© 2015 Mihyaeru socket • TCPSocket • ίωΫγϣϯΛுΓͬͺͳ͠ͰಡΈଓ͚Δ෦ Ͱ༻ •
ൺֱతϨϕϧͳ෦͚ͩͲ৮Γ͔ͬͨ͢ 16
© 2015 Mihyaeru time • Time.utc_now.to_i ͚͓͚֮ͩ͑ͯ ͻͱ·ͣੜ͖͍͚ͯͦ͏ • Time.now.to_i
ͬͯॻ͍ͯͯϋϚͬͨ 17
·ͱΊ • ඪ४ϥΠϒϥϦ͕ॆ࣮Ͱऔ͖͍ͬ͢ • ϥΠτͳॻ͖৺͕ྑ͍ײ͡ • ιʔεՇ