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Gotanda.rb#47 Mailgun3分クッキング
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Hiroki Tanaka
October 27, 2020
Programming
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Gotanda.rb#47 Mailgun3分クッキング
Gotanda.rb#47でLT発表した『Mailgun3分クッキング』です。
Hiroki Tanaka
October 27, 2020
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Transcript
Gotanda.rb#47 Mailgun3ΫοΩϯά 2020/10/27 גࣜձࣾτϨλ @hiroki_tanaka
ࣗݾհ ɾాத جɿ@hiroki_tanaka ɾSIerɿϑϡʔνϟʔΞʔΩςΫτ(4ؒ) →WebܥϕϯνϟʔɿגࣜձࣾτϨλ(1ؒ) ɾRubyɿ2ɾJavaɿ2ɾSQLɿ5 →࠷ۙΠϯϑϥΤϯδχΞݟश͍தɻ ɾझຯɿεϓϥτΡʔϯɾમ౬८Γ
αʔϏεհ - τϨλҿ৯ళ͚ͷ༧ாɾސ٬ா͕ϝΠϯ ϓϩμΫτɻ(࠷ۙͩͱGoToEatʹࢀՃ͍ͯ͠·͢ɻ)
αʔϏεհ - ίϩφՒʹҿ৯ళ͕͜Ε·ͰஷΊ͖ͯͨாͷސ٬ʹ DMΛҰׅૹ৴ग़དྷΔʮτϨλϝοηʔδʯͱ͍͏αʔ Ϗε͕ੜ·Εͨɻ
ࠓ͢͜ͱɾ͞ͳ͍͜ͱ ʲ͢͜ͱʳ - RailsͱMailgunΛ༻͍ͨૹ৴ϝʔϧͷड৴֬ೝɾ։෧֬ೝɾ URLͷΫϦοΫ֬ೝͷऔಘʹ͍ͭͯ (MailgunΛ͍ͬͯΔਓʹͱͬͯجຊతͳΛ͢ΔͷͰɺऍᷟʹઆ๏͔Ͱ͢…) ʲ͞ͳ͍͜ͱʳ - ϝʔϧؔ࿈ͷgem →ruby-gmailletter_opener_webͳͲ
- ActionMailerͷ͍ํ
ϝʔϧͰ͋Γ͕ͪͳཁ͕ τϨλϝοηʔδͰ͋Γ·ͨ͠ɻ
γεςϜ͔Βૹ৴ͨ͠ϝʔϧ͕Ͳͷఔड৴ ͞Ε͔ͨΓ͍ͨɻ
ૹ৴ͨ͠ϝʔϧͷɺԿ%͕։෧͞ ΕͯຊจͷURL͕ͲͷఔΫϦοΫ͞Ε͔ͨ Γ͍ͨɻ
Ͳ͏࣮ͬͯݱ͠Α͏ʁ
ϝʔϧૹ৴ʹඞཁͳESPଆͰ Կͱ͔ग़དྷͳ͍͔ͳ…ʁ
ESPͱ - ESPͱEmail Service ProdiverͷུͰిࢠϝʔϧ৴ γεςϜαʔϏεΛఏڙ͢Δࣄۀऀͷ͜ͱɻ - ಛʹϚʔέςΟϯάϝʔϧτϥϯβΫγϣϯϝʔϧ(༧֬ ೝϝʔϧͳͲ)ͱ͍ͬͨࣄۀʹ݁͢Δϝʔϧͷ৴͕ओɻ -
༗໊ॴͩͱSendGridMailChimpɾAmazon SESɻ - ٛʹGmailyahooϝʔϧ֘͢Δɻ
ࠓճ༻͢ΔESPɿMailgun - ࠓճMailgunͱ͍͏ESPΛ༻ɻ - Mailgun Technologies Inc͕ఏڙ͍ͯ͠ΔαʔυύʔςΟͷ ΫϥυϝʔϧαʔϏεɻ - ຖ݄࠷େ1ສ௨·ͰແྉͰϝʔϧΛૹ৴Ͱ͖ΔͷͰɺखܰʹ
ελʔτग़དྷΔɻ (Googleύʔτφʔϖʔδ͔ΒͷਃࠐΈͩͱ3ສ௨·Ͱແྉɻ)
MailgunͷϝϦοτ ʲϝϦοτʳ - ॳظઃఆ͕؆୯ɻ →ΞΧϯτ࡞~Mailgunઃఆ~DNSઃఆ~RailsଆʹͦͷMailgunઃఆΛద༻͢Δ͚ͩ Ͱɺ͙͢ʹϝʔϧૹ৴ՄೳʹͳΔɻ - APIΛެ։͍ͯ͠ΔͷͰɺϓϩάϥϜ͔ΒͷΧελϚΠζ͕Γ͢ ͍ɻ -
ϩάϏϡʔϫʔ͕͋Γ͔ͦ͜Βϝʔϧͷ࠶ૹ͕Ͱ͖ɺࣗલͷϩάཧ ෆཁɻ - ཧऀҎ֎ͷݖݶͰϢʔβൃߦ͕ग़དྷΔɻ →ඇΤϯδχΞͷνʔϜʹτϥϒϧγϡʔτϝʔϧੳΛґཔͰ͖Δɻ
MailgunͷσϝϦοτ ʲσϝϦοτʳ - RFC४ڌ͍ͯ͠ͳ͍ຊͷΩϟϦΞಠࣗڐ༰ͷϝʔϧΞυϨε ͷ৴Λແ༻Ͱ͘ɻ →ʮa..a@example.comʯʮtest.@example.comʯͳͲ - ͦͦ͜͜ߴՁͰAmazon SESͷ4ഒఔɻ
MailgunͷWebhook - MailgunʹಛఆͷΠϕϯτൃੜ࣌ʹΞϓϦʹΠϕϯτ௨Λ POST͢ΔWebhook͕͋ΓɺͦΕΛར༻͍ͯ͘͠ɻ - Webhook༷ʑ༻ҙ͞Ε͍ͯΔ͕ɺࠓճdelivered(৴)ɾ opened(։෧)ɾclicked(ΫϦοΫ)Λར༻͢Δɻ - ઃఆ୯ҐυϝΠϯ୯Ґ͔ϝʔϧ୯ҐͰઃఆͰ͖Δɻ ※ࢀߟ
- WebhookͷҰཡɿhttps://documentation.mailgun.com/en/latest/api- webhooks.html#webhooks - Webhookͷ͍ํΨΠυɿhttps://www.mailgun.com/guides/your-guide-to-webhooks/
Webhook͔ΒPOST͞ΕΔύϥϝʔλྫ - `event-data`ͱ͍͏ͷϋογϡΩʔͷόϦϡʔͱ͠ ͯҎԼ͕֨ೲ͞ΕΔɻ
࣮खॱ 1. ϝʔϧػೳΛHTMLϝʔϧܗࣜͰ࣮͢Δɻ →Mailgunͷ։෧֬ೝϝʔϧʹࣗಈͰຒΊࠐ·Εͨը૾͕։͔Ε͔ͨʹΑͬͯఆ͞ΕΔͨ ΊɺϓϨʔϯςΩετϝʔϧͰ։෧֬ೝग़དྷͳ͍ɻ 2. ֤ϝʔϧͷϔομʔʹMailgunͷWebhookΛൃՐ͢ΔͨΊͷΩʔόϦϡʔΛࠐ Ήɻ →ࠓճυϝΠϯ୯ҐͰͳ͘ɺϝʔϧ୯ҐͰߦ͏ɻ 3.
MailgunଆʹWebhook࣮ߦ࣌ͷPOSTઌͷURLΛઃఆ͢Δɻ 4. POST͞ΕͨσʔλΛRailsଆͰड͚औͬͯɺϏδωεϩδοΫʹ߹ΘͤͯΑ͠ͳʹ ࣮͢Δɻ
࣮खॱ 1. ϝʔϧػೳΛHTMLϝʔϧܗࣜͰ࣮͢Δɻ →Mailgunͷ։෧֬ೝϝʔϧʹࣗಈͰຒΊࠐ·Εͨը૾͕։͔Ε͔ͨʹΑͬͯఆ͞ΕΔͨ ΊɺϓϨʔϯςΩετϝʔϧͰ։෧֬ೝग़དྷͳ͍ɻ 2. ֤ϝʔϧͷϔομʔʹMailgunͷWebhookΛൃՐ͢ΔͨΊͷΩʔόϦϡʔΛࠐ Ήɻ →ࠓճυϝΠϯ୯ҐͰͳ͘ɺϝʔϧ୯ҐͰߦ͏ɻ 3.
MailgunଆʹWebhook࣮ߦ࣌ͷPOSTઌͷURLΛઃఆ͢Δɻ 4. POST͞ΕͨσʔλΛRailsଆͰड͚औͬͯɺϏδωεϩδοΫʹ߹ΘͤͯΑ͠ͳʹ ࣮͢Δɻ ͜Ε͔Βઆ໌͢Δ෦
ϝʔϧͷϔομʔઃఆ - ϝʔϧૹ৴ॲཧͷafter_actionͰMailgunͷ։෧֬ೝɾ ΫϦοΫ֬ೝͷͨΊͷϔομʔΛ༩͢Δɻ (ड৴֬ೝϔομʔͷઃఆ͕ෆཁɻ) - ࢠͷMailerΫϥε - ͷApplicationMailerΫϥε
࣮ࡍͷϝʔϧͷϔομʔ - ૹ৴͞Εͨϝʔϧͷϔομʔʹ։෧֬ೝͱΫϦοΫ֬ ೝͷͨΊͷ`X-Mailgun-Track`͕ઃఆ͞ΕΔɻ
MailgunͷWebhookઃఆ - RailsΞϓϦͷWebhookͷPOSTઌΛMailgunͷ Webhookʹઃఆ͢Δɻ - Mailgunଆͷઃఆ - RailsଆͷϧʔςΟϯάઃఆ (ɿPathμϛʔͰ͢)
RailsͰWebhookͷPOSTΛड͚ͯͷॲཧ - Mailgun͔ΒͷPOSTΛड͚࣮ͯߦ͢ΔॲཧΛRailsʹ࣮͢ Δɻ - `event-data`Լʹ͋Δ`event`ʹԠͯ͡ॲཧΛذͤ͞Δɻ
ૹ৴݁Ռ֬ೝը໘Ͱͷ֬ೝ - ࠷ޙʹRailsΞϓϦଆͷૹ৴݁Ռ֬ೝը໘͔ΒνΣοΫ͢Δɻ - ԼهͷྫͰड৴֬ೝͰ͢ɻ
্खʹग़དྷ·ͨ͠ʂ
ҙ 1. Mailgunͷ։෧֬ೝϝʔϧʹࣗಈͰຒΊࠐ·Εͨ ը૾͕։͔Ε͔ͨʹΑͬͯఆ͞ΕΔͨΊɺϓϨʔϯς ΩετϝʔϧඇରԠɻ 2. େྔͷϝʔϧΛMailgunܦ༝Ͱૹ৴͢ΔͱMailgun ΤϥʔʹͳΒͣʹਖ਼ৗʹૹ৴ॲཧΛߦͬͯ͘ΕΔɻ →ಉ࣌ʹେྔͷWebhook͕ΞϓϦέʔγϣϯʹPOST͞ ΕΔͨΊɺηϧϑDoS߈ܸঢ়ଶʹͳͬͯ͠·͏ɻ
(࣮ࡍʹͦΕͰΞϓϦέʔγϣϯ͕1མͪ·ͨ͠…)
͓ΘΓʹ - MailgunͷWebhookػೳΛར༻͢Δ͜ͱͰૹ৴ϝʔ ϧͷड৴֬ೝɾ։෧֬ೝɾΫϦοΫ֬ೝΛ؆୯ʹग़དྷ ·ͨ͠ɻ - ੳ͕खܰʹͰ͖Δ͜ͱࣄۀͷʹ݁͢ΔͷͰ େࣄɻ - ͱ͍͑ɺMailgunΛ༻͠ͳ͍ଞͷํ๏͋Δͱࢥ
͍·͢ͷͰɺ৭ʑڭ͚͑ͯΔͱخ͍͠Ͱ͢ʂ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ