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GoݴޠͰߦ͏ϝʔϧղੳ
OPTiM × every Golang Developer Night 2024/07/02
גࣜձࣾΤϒϦʔ ͖ΐʔɻ
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ࣗݾհ
- ໊લ
- ͖ΐʔɻ
- ෦ॺ
- ։ൃຊ෦ɺDELISH KITCHEN։ൃ෦
- ࠷ۙྑ͘ͳͬͨGoͷύοέʔδ
- math/rand
- Ωʔϫʔυ
- ٶग़
- 3ͷ൧ͱຊञ
- όΠΫ
- Ϥʔϩούཱྀߦ
- ίʔώʔ
- Vtuber
- ήʔϜ
- Ξχϝ
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ຊͷ͓ॻ͖
- GoݴޠͰߦ͏ϝʔϧղੳ
- ಋೖ
- ϝʔϧϔομʔʹ͍ͭͯ
- ࣮ࡍʹղੳͯ͠ΈΑ͏
- ͲͷΑ͏ͳ໘Ͱϝʔϧղੳ͍͔ͨ͠
- ·ͱΊ
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Έͳ͞ΜϝʔϧΛૹͬͨ͜ͱ͋Γ·͔͢ʁ
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Έͳ͞ΜϝʔϧΛૹͬͨ͜ͱ͋Γ·͔͢ʁ
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Έͳ͞ΜϝʔϧΛૹͬͨ͜ͱ͋Γ·͔͢ʁ
Telnet
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Έͳ͞ΜϝʔϧΛૹͬͨ͜ͱ͋Γ·͔͢ʁ
Telnet
- ϦϞʔτίϯϐϡʔλͱର͢ΔͨΊʹߏங͞ΕͨίϯϐϡʔλϓϩτίϧͷҰͭ
- ଞͷϓϩτίϧͷྫ
- SSH
- SFTP
- VNC
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$ docker run -d -p 8025:8025 -p 1025:1025 --name test_mailhog mailhog/mailhog
Header
- MAIL FROM:
- RCPT TO:
- SUBJECT:
- FROM:
- TO:
Body
- Hello, World!
.
Ͱғ͍ͬͯΔ෦ɿ͕ࣗೖྗͨ͠Օॴ
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$ docker run -d -p 8025:8025 -p 1025:1025 --name test_mailhog mailhog/mailhog
[email protected]
[email protected]
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$ docker run -d -p 8025:8025 -p 1025:1025 --name test_mailhog mailhog/mailhog
Q.
- ͳΓ͢·͠ରࡦͲ͏ͬͯΔͷʁ
- ͲΜͳϝʔϧϔομʔ͕͋ͬͯɺͳΜͷͨΊʹΘΕ͍ͯΔͷʁ
- GoͰϝʔϧΛղੳ͢ΔʹͲ͏͢Εྑ͍ʁ
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ϝʔϧϔομʔʹ͍ͭͯ
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ͦͦϝʔϧϔομʔͱʁ
- ϝʔϧϔομͱɺϝʔϧͷৄࡉใ͕ॻ͔Ε͍ͯΔ෦ͷ͜ͱ
- ϝʔϧ͕ૹ͞Εͨܦ࿏࣌ؒɺܦ༝ͨ͠αʔόʔͳͲ͕ه͞Ε͍ͯΔ
- From:
- ૹ৴ऀͷϝʔϧΞυϨε
- To:
- ड৴ऀͷϝʔϧΞυϨε
- Subject:
- ϝʔϧͷ໊݅
- Received:
- ϝʔϧ͕ܦ༝ͨ͠αʔόʔͱͦͷ࣌
- Content-Type:
- ϝʔϧͷຊจͷܗࣜʢྫɿtext/plain, text/htmlʣ
- MIME-Version:
- ϝʔϧ͕ MIMEن֨Λ༻͍ͯ͠Δ߹ͷόʔδϣϯ
ϝʔϧϔομʔɺϝʔϧͷτϥϒϧγϡʔςΟϯάɺεύϜͷݕग़ɺηΩϡϦςΟੳͳͲʹ༻͞ΕΔ
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- RFC2822 Ͱنఆ͞Εͨϝʔϧϓϩ
τίϧͰߏ͞Ε͍ͯΔ
- ASCII ίʔυͰߏ͞ΕΔ͜ͱ
- Ұߦ 78 จࣈҎԼ͕ਪ
- Header ϑΟʔϧυɺϑΟʔϧυ
໊ͷޙʹίϩϯ(":")ɺϑΟʔϧυ
ຊମ͕ଓ͖ɺCRLF Ͱऴྃ
- Body ͕࢝·Δલۭߦʹ͢Δ
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࣮ࡍʹղੳͯ͠ΈΑ͏
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࣮ࡍʹղੳͯ͠Έͨ
- net/mail - Go Packages
- Goͷඪ४ύοέʔδͷҰͭ
- ϝʔϧϝοηʔδͷղੳΛఏڙ͍ͯ͠Δ
- جຊతͳ͍ํ
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⚠ ݸਓใؚ͕·Ε͍ͯΔ෦
ɹফͯ͋͠Γ·͢
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Message.Header
Delivered-To: ϝʔϧ͕࠷ऴతʹ৴͞Εͨड৴ऀͷϝʔϧΞυϨε
Received: ϝʔϧ͕ܦ༝֤ͨ͠αʔόʔʹΑͬͯՃ͞Εɺϝʔϧͷసૹܦ࿏ʢෳͷReceivedϔομʔ͕ଘࡏ͢Δ͜ͱ͕͋Δʣ
ARC-Seal, ARC-Message-Signature, ARC-Authentication-Results: Authenticated Received Chain (ARC)ʹؔ࿈͢Δϔομʔʢϝʔϧ͕సૹ͞ΕΔաఔͰͷೝূ݁ՌΛอ࣋ʣ
Return-Path: όϯεϝοηʔδʢ৴ෆೳ௨ʣ͕ૹΒΕΔࡍͷฦ৴ઌΞυϨε
Received-SPF: Sender Policy Framework (SPF)ͷݕূ݁Ռʢϝʔϧ͕ਖ਼ͳૹ৴ݩ͔ΒૹΒΕ͔ͨͲ͏͔Λ֬ೝ͢Δʣ
Authentication-Results: ϝʔϧ͕ೝূϓϩηεʢDKIMɺSPFɺDMARCͳͲʣΛ௨ա͔ͨ͠Ͳ͏͔ͷ݁Ռ
DKIM-Signature: DomainKeys Identified Mail (DKIM)ͷॺ໊ʢϝʔϧͷ༰͕ૹ৴ऀʹΑͬͯॺ໊͞Εɺ్தͰվ͟Μ͞Ε͍ͯͳ͍͜ͱΛอূʣ
X-Google-DKIM-Signature: Google͕Ճͨ͠DKIMॺ໊ʢGmail͕ϝʔϧΛॲཧͨ͜͠ͱΛࣔ͢ʣ
X-Gm-Message-State: GmailʹΑͬͯՃ͞Εͨϔομʔʢϝʔϧͷঢ়ଶʹؔ͢ΔใΛؚΉʣ
X-Google-Smtp-Source: GmailʹΑͬͯՃ͞Εͨϔομʔʢϝʔϧͷૹ৴ʹؔ͢ΔՃใΛؚΉʣ
MIME-Version: MIME (Multipurpose Internet Mail Extensions)ͷόʔδϣϯʢϝʔϧ͕ςΩετҎ֎ͷίϯςϯπΛؚΉ͜ͱΛࣔ͢ʣ
From: ϝʔϧͷૹ৴ऀͷ໊લͱϝʔϧΞυϨε
Date: ϝʔϧ͕ૹ৴͞Εͨ࣌
Message-ID: ϝʔϧʹҰҙʹׂΓͯΒΕͨIDʢϝʔϧͷʹ༻͞ΕΔʣ
Subject: ϝʔϧͷ໊݅
To: ϝʔϧͷѼઌΞυϨε
Content-Type: ϝʔϧͷຊจఴϑΝΠϧͷܗࣜʢMIMEλΠϓʣ
Content-Disposition: ఴϑΝΠϧͷදࣔํ๏ϑΝΠϧ໊
Content-Transfer-Encoding: ϝʔϧͷຊจఴϑΝΠϧ͕ͲͷΑ͏ʹΤϯίʔυ͞Ε͍ͯΔ͔
Content-ID: ఴϑΝΠϧʹؔ࿈͚ΒΕͨҰҙͷIDʢϝʔϧͰࢀর͢Δࡍʹ༻͞ΕΔʣ
X-Attachment-Id: Gmail͕ఴϑΝΠϧʹׂΓͯͨIDʢϝʔϧͰͷఴϑΝΠϧͷࢀরʹ༻͞ΕΔʣ
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Message.Header
Delivered-To: ϝʔϧ͕࠷ऴతʹ৴͞Εͨड৴ऀͷϝʔϧΞυϨε
Received: ϝʔϧ͕ܦ༝֤ͨ͠αʔόʔʹΑͬͯՃ͞Εɺϝʔϧͷసૹܦ࿏ʢෳͷReceivedϔομʔ͕ଘࡏ͢Δ͜ͱ͕͋Δʣ
ARC-Seal, ARC-Message-Signature, ARC-Authentication-Results: Authenticated Received Chain (ARC)ʹؔ࿈͢Δϔομʔʢϝʔϧ͕సૹ͞ΕΔաఔͰͷೝূ݁ՌΛอ࣋ʣ
Return-Path: όϯεϝοηʔδʢ৴ෆೳ௨ʣ͕ૹΒΕΔࡍͷฦ৴ઌΞυϨε
Received-SPF: Sender Policy Framework (SPF)ͷݕূ݁Ռʢϝʔϧ͕ਖ਼ͳૹ৴ݩ͔ΒૹΒΕ͔ͨͲ͏͔Λ֬ೝ͢Δʣ
Authentication-Results: ϝʔϧ͕ೝূϓϩηεʢDKIMɺSPFɺDMARCͳͲʣΛ௨ա͔ͨ͠Ͳ͏͔ͷ݁Ռ
DKIM-Signature: DomainKeys Identified Mail (DKIM)ͷॺ໊ʢϝʔϧͷ༰͕ૹ৴ऀʹΑͬͯॺ໊͞Εɺ్தͰվ͟Μ͞Ε͍ͯͳ͍͜ͱΛอূʣ
X-Google-DKIM-Signature: Google͕Ճͨ͠DKIMॺ໊ʢGmail͕ϝʔϧΛॲཧͨ͜͠ͱΛࣔ͢ʣ
X-Gm-Message-State: GmailʹΑͬͯՃ͞Εͨϔομʔʢϝʔϧͷঢ়ଶʹؔ͢ΔใΛؚΉʣ
X-Google-Smtp-Source: GmailʹΑͬͯՃ͞Εͨϔομʔʢϝʔϧͷૹ৴ʹؔ͢ΔՃใΛؚΉʣ
MIME-Version: MIME (Multipurpose Internet Mail Extensions)ͷόʔδϣϯʢϝʔϧ͕ςΩετҎ֎ͷίϯςϯπΛؚΉ͜ͱΛࣔ͢ʣ
From: ϝʔϧͷૹ৴ऀͷ໊લͱϝʔϧΞυϨε
Date: ϝʔϧ͕ૹ৴͞Εͨ࣌
Message-ID: ϝʔϧʹҰҙʹׂΓͯΒΕͨIDʢϝʔϧͷʹ༻͞ΕΔʣ
Subject: ϝʔϧͷ໊݅
To: ϝʔϧͷѼઌΞυϨε
Content-Type: ϝʔϧͷຊจఴϑΝΠϧͷܗࣜʢMIMEλΠϓʣ
Content-Disposition: ఴϑΝΠϧͷදࣔํ๏ϑΝΠϧ໊
Content-Transfer-Encoding: ϝʔϧͷຊจఴϑΝΠϧ͕ͲͷΑ͏ʹΤϯίʔυ͞Ε͍ͯΔ͔
Content-ID: ఴϑΝΠϧʹؔ࿈͚ΒΕͨҰҙͷIDʢϝʔϧͰࢀর͢Δࡍʹ༻͞ΕΔʣ
X-Attachment-Id: Gmail͕ఴϑΝΠϧʹׂΓͯͨIDʢϝʔϧͰͷఴϑΝΠϧͷࢀরʹ༻͞ΕΔʣ
ܦ༝ͨ͠αʔόʔɺIPΞυϨεͳͲ͔Β
ෆ৹ͳαʔόʔ͔ΒૹΒΕ͍ͯͳ͍͔֬ೝͰ͖Δ
ͳΓ͢·͠ରࡦ
ͲͷΑ͏ͳίϯςϯπɺܗࣜͳͷ͔Θ͔Δ
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Message.Body
Content-Type: multipart/mixed; boundary="000000000000367976061c1205d3"
MIME Ϛϧνύʔτϝοηʔδ
- ςΩετ htmlɺը૾ͳͲͦΕ
ͧΕҟͳΔύʔτʹ͚ɺͦΕ
ΒΛΈ߹Θͤߏ͞Εͨͷ
- ෳͷϑΝΠϧΛిࢠϝʔϧʹ
ఴ͢Δͱ͖ͳͲʹ༻͞ΕΔ
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Message.Body
Content-Type: multipart/mixed; boundary="000000000000367976061c1205d3"
MIME Ϛϧνύʔτϝοηʔδ
- ςΩετ htmlɺը૾ͳͲͦΕ
ͧΕҟͳΔύʔτʹ͚ɺͦΕ
ΒΛΈ߹Θͤߏ͞Εͨͷ
- ෳͷϑΝΠϧΛిࢠϝʔϧʹ
ఴ͢Δͱ͖ͳͲʹ༻͞ΕΔ
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ͲͷΑ͏ͳ໘Ͱϝʔϧղੳ͍͔ͨ͠
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ྫ͑
- ސ٬αϙʔτͷࣗಈԽ
- αϙʔτʹૹΒΕͯ͘ΔϝʔϧΛղੳɺ༰ʹج͍ͮͯαϙʔτνʔϜసૹ
- https://tech.every.tv/entry/2024/06/06/192547
- Α͋͘Δ࣭ʹରͯࣗ͠ಈԠ
AWSͰड͚औͬͨϝʔϧΛసૹ͢Δྫ→
- ϝʔϧαϚϦʔੜ
- ͍ϝʔϧ͔ΒॏཁͳϙΠϯτ͚ͩΛநग़
https://aws.amazon.com/jp/blogs/messaging-and-targeting/forward-incoming-email-to-an-external-destination/
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·ͱΊ
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·ͱΊ
- ීஈ͋·Γҙࣝͯ͜͠ͳ͔ͬͨϝʔϧͷ༰ɾߏʹ͍ͭͯΕͨྑ͍ػձʹͳͬ
ͨʂ
- ը૾ಈըͳͲͷఴϑΝΠϧ͕ͲͷΑ͏ʹૹΒΕ͍ͯΔͷֶ͔Μͩ
- ͲͷΑ͏ʹͳΓ͢·͠ରࡦ͕ߦΘΕ͍ͯΔͷ͔Λϝʔϧϔομʔ͔ΒֶΜͩ͜ͱͰɺ
ϝʔϧΛసૹฦ৴͢ΔࡍʹඞཁͳॲཧΛߟ͑Δ͖͔͚ͬʹͳͬͨ
- GoΛ͍ͳ͕ΒखΛಈֶ͔ͯ͠Δͷָ͍͠
- ໘ന͔ͬͨษڧ༰ͳͲ͋Γ·ͨ͠Βڭ͍͑ͯͩ͘͞ʂ
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