Add basic SMTP support
This commit is contained in:
Simon Ser
parent
702719c072
commit
89cebfd819
5 changed files with 196 additions and 7 deletions
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@ -21,14 +21,14 @@ func generateToken() (string, error) {
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var ErrSessionExpired = errors.New("session expired")
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type Session struct {
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imapConn *imapclient.Client
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imapConn *imapclient.Client
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username, password string
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}
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// TODO: expiration timer
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type ConnPool struct {
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locker sync.Mutex
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sessions map[string]*Session
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locker sync.Mutex
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sessions map[string]*Session
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}
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func NewConnPool() *ConnPool {
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10
go.mod
10
go.mod
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@ -4,6 +4,14 @@ go 1.13
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require (
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github.com/emersion/go-imap v1.0.1
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github.com/emersion/go-message v0.10.4-0.20190609165112-592ace5bc1ca
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github.com/emersion/go-message v0.10.8
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github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e
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github.com/emersion/go-smtp v0.12.0
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github.com/labstack/echo/v4 v4.1.11
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github.com/mattn/go-colorable v0.1.4 // indirect
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github.com/mattn/go-isatty v0.0.10 // indirect
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github.com/valyala/fasttemplate v1.1.0 // indirect
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golang.org/x/crypto v0.0.0-20191202143827-86a70503ff7e // indirect
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golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933 // indirect
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golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9 // indirect
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)
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32
go.sum
32
go.sum
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@ -1,46 +1,76 @@
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
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github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
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github.com/emersion/go-imap v1.0.1 h1:J3duplefIrglQtE63hCGYdGLgMjYWqHvkUUEbimbXY8=
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github.com/emersion/go-imap v1.0.1/go.mod h1:MEiDDwwQFcZ+L45Pa68jNGv0qU9kbW+SJzwDpvSfX1s=
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github.com/emersion/go-message v0.10.4-0.20190609165112-592ace5bc1ca h1:OYhqtJI4eOLvGtRIsUfP87VMJ1J/o6ks1tah9DlYkn4=
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github.com/emersion/go-message v0.10.4-0.20190609165112-592ace5bc1ca/go.mod h1:3h+HsGTCFHmk4ngJ2IV/YPhdlaOcR6hcgqM3yca9v7c=
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github.com/emersion/go-message v0.10.8 h1:1l1Vb+0By9U1ITTH3FgKfJQWQ9sTI3N1smPe6SS3QXY=
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github.com/emersion/go-message v0.10.8/go.mod h1:C4jnca5HOTo4bGN9YdqNQM9sITuT3Y0K6bSUw9RklvY=
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github.com/emersion/go-sasl v0.0.0-20190520160400-47d427600317 h1:tYZxAY8nu3JJQKios9f27Sbvbkfm4XHXT476gVtszu0=
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github.com/emersion/go-sasl v0.0.0-20190520160400-47d427600317/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
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github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c h1:Spm8jy+jWYG/Dn6ygbq/LBW/6M27kg59GK+FkKjexuw=
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github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
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github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e h1:ba7YsgX5OV8FjGi5ZWml8Jng6oBrJAb3ahqWMJ5Ce8Q=
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github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
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github.com/emersion/go-smtp v0.12.0 h1:uo4pWTlHsdbkljojOwNRwzMFh/yKIbe/WRwjQ8JMYrg=
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github.com/emersion/go-smtp v0.12.0/go.mod h1:nJgxVrypNWIDhN0BJl0Hb+S61RQ9ZEFt6V/y0kpsZyQ=
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github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe h1:40SWqY0zE3qCi6ZrtTf5OUdNm5lDnGnjRSq9GgmeTrg=
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github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe/go.mod h1:aqO8z8wPrjkscevZJFVE1wXJrLpC5LtJG7fqLOsPb2U=
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github.com/labstack/echo v3.3.10+incompatible h1:pGRcYk231ExFAyoAjAfD85kQzRJCRI8bbnE7CX5OEgg=
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github.com/labstack/echo/v4 v4.1.11 h1:z0BZoArY4FqdpUEl+wlHp4hnr/oSR6MTmQmv8OHSoww=
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github.com/labstack/echo/v4 v4.1.11/go.mod h1:i541M3Fj6f76NZtHSj7TXnyM8n2gaodfvfxNnFqi74g=
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github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0=
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github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
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github.com/martinlindhe/base36 v0.0.0-20190418230009-7c6542dfbb41 h1:CVsnY46BCLkX9XOhALJ/S7yb9ayc4eqjXSXO3tyB66A=
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github.com/martinlindhe/base36 v0.0.0-20190418230009-7c6542dfbb41/go.mod h1:+AtEs8xrBpCeYgSLoY/aJ6Wf37jtBuR0s35750M27+8=
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github.com/martinlindhe/base36 v1.0.0 h1:eYsumTah144C0A8P1T/AVSUk5ZoLnhfYFM3OGQxB52A=
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github.com/martinlindhe/base36 v1.0.0/go.mod h1:+AtEs8xrBpCeYgSLoY/aJ6Wf37jtBuR0s35750M27+8=
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github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
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github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
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github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
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github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
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github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
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github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
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github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
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github.com/mattn/go-isatty v0.0.10 h1:qxFzApOv4WsAL965uUPIsXzAKCZxN2p9UqdhFS4ZW10=
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github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
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github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
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github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
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github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
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github.com/valyala/fasttemplate v1.1.0 h1:RZqt0yGBsps8NGvLSGW804QQqCUYYLsaOjTVHy1Ocw4=
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github.com/valyala/fasttemplate v1.1.0/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 h1:HuIa8hRrWRSrqYzx1qI49NNxhdi2PrY7gxVSq1JjLDc=
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golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20191202143827-86a70503ff7e h1:egKlR8l7Nu9vHGWbcUV8lqR4987UfUbBd7GbhqGzNYU=
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golang.org/x/crypto v0.0.0-20191202143827-86a70503ff7e/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ=
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golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933 h1:e6HwijUxhDe+hPNjZQQn9bA5PW3vNmnN64U2ZW759Lk=
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golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
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golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9 h1:ZBzSG/7F4eNKz2L3GE9o300RX0Az1Bw5HF7PDraD+qU=
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golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
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golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
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gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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43
server.go
43
server.go
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@ -10,6 +10,7 @@ import (
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"time"
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imapclient "github.com/emersion/go-imap/client"
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"github.com/emersion/go-sasl"
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"github.com/labstack/echo/v4"
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)
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@ -92,9 +93,9 @@ func NewServer(imapURL, smtpURL string) (*Server, error) {
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type context struct {
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echo.Context
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server *Server
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server *Server
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session *Session
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conn *imapclient.Client
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conn *imapclient.Client
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}
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var aLongTimeAgo = time.Unix(233431200, 0)
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@ -200,6 +201,44 @@ func handleGetPart(ctx *context, raw bool) error {
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func handleCompose(ectx echo.Context) error {
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ctx := ectx.(*context)
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if ctx.Request().Method == http.MethodPost {
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// TODO: parse address lists
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from := ctx.FormValue("from")
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to := ctx.FormValue("to")
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subject := ctx.FormValue("subject")
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text := ctx.FormValue("text")
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c, err := ctx.server.connectSMTP()
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if err != nil {
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return err
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}
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defer c.Close()
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auth := sasl.NewPlainClient("", ctx.session.username, ctx.session.password)
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if err := c.Auth(auth); err != nil {
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return echo.NewHTTPError(http.StatusForbidden, err)
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}
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msg := OutgoingMessage{
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from: from,
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to: []string{to},
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subject: subject,
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text: text,
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}
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if err := sendMessage(c, &msg); err != nil {
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return err
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}
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if err := c.Quit(); err != nil {
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return fmt.Errorf("QUIT failed: %v", err)
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}
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// TODO: append to IMAP Sent mailbox
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return ctx.Redirect(http.StatusFound, "/mailbox/INBOX")
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}
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return ctx.Render(http.StatusOK, "compose.html", nil)
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}
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112
smtp.go
Normal file
112
smtp.go
Normal file
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@ -0,0 +1,112 @@
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package koushin
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import (
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"fmt"
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"time"
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"io"
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"github.com/emersion/go-message/mail"
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"github.com/emersion/go-smtp"
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)
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func (s *Server) connectSMTP() (*smtp.Client, error) {
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var c *smtp.Client
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var err error
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if s.smtp.tls {
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c, err = smtp.DialTLS(s.smtp.host, nil)
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if err != nil {
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return nil, fmt.Errorf("failed to connect to SMTPS server: %v", err)
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}
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} else {
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c, err = smtp.Dial(s.smtp.host)
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if err != nil {
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return nil, fmt.Errorf("failed to connect to SMTP server: %v", err)
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}
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if !s.smtp.insecure {
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if err := c.StartTLS(nil); err != nil {
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c.Close()
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return nil, fmt.Errorf("STARTTLS failed: %v", err)
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}
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}
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}
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return c, err
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}
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type OutgoingMessage struct {
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from string
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to []string
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subject string
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text string
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}
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func (msg *OutgoingMessage) WriteTo(w io.Writer) error {
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from := []*mail.Address{{"", msg.from}}
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to := make([]*mail.Address, len(msg.to))
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for i, addr := range msg.to {
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to[i] = &mail.Address{"", addr}
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}
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var h mail.Header
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h.SetDate(time.Now())
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h.SetAddressList("From", from)
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h.SetAddressList("To", to)
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h.SetText("Subject", msg.subject)
|
||||
|
||||
mw, err := mail.CreateWriter(w, h)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to create mail writer: %v", err)
|
||||
}
|
||||
|
||||
var th mail.InlineHeader
|
||||
th.Set("Content-Type", "text/plain; charset=utf-8")
|
||||
|
||||
tw, err := mw.CreateSingleInline(th)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to create text part: %v", err)
|
||||
}
|
||||
defer tw.Close()
|
||||
|
||||
if _, err := io.WriteString(tw, msg.text); err != nil {
|
||||
return fmt.Errorf("failed to write text part: %v", err)
|
||||
}
|
||||
|
||||
if err := tw.Close(); err != nil {
|
||||
return fmt.Errorf("failed to close text part: %v", err)
|
||||
}
|
||||
|
||||
if err := mw.Close(); err != nil {
|
||||
return fmt.Errorf("failed to close mail writer: %v", err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func sendMessage(c *smtp.Client, msg *OutgoingMessage) error {
|
||||
if err := c.Mail(msg.from, nil); err != nil {
|
||||
return fmt.Errorf("MAIL FROM failed: %v", err)
|
||||
}
|
||||
|
||||
for _, to := range msg.to {
|
||||
if err := c.Rcpt(to); err != nil {
|
||||
return fmt.Errorf("RCPT TO failed: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
w, err := c.Data()
|
||||
if err != nil {
|
||||
return fmt.Errorf("DATA failed: %v", err)
|
||||
}
|
||||
defer w.Close()
|
||||
|
||||
if err := msg.WriteTo(w); err != nil {
|
||||
return fmt.Errorf("failed to write outgoing message: %v", err)
|
||||
}
|
||||
|
||||
if err := w.Close(); err != nil {
|
||||
return fmt.Errorf("failed to close SMTP data writer: %v", err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in a new issue