Remove kindle module

This commit is contained in:
akp 2024-04-01 00:54:49 +01:00
parent 413be68cce
commit 9f11b70b77
No known key found for this signature in database
GPG key ID: CF8D58F3DEB20755
5 changed files with 2 additions and 125 deletions

View file

@ -2,7 +2,6 @@ package config
import (
"fmt"
"git.tdpain.net/codemicro/kindle-dashboard/imagegen"
"git.tdpain.net/pkg/cfger"
"log/slog"
"os"
@ -45,7 +44,6 @@ type Config struct {
HTTP *HTTP
ReadingList *ReadingList
SpotifyTiles *SpotifyTiles
KindleDashboard *imagegen.Config
CertificateMonitor *CertificateMonitor
HostSuffix string
}
@ -79,13 +77,6 @@ func Get() *Config {
ClientSecret: cl.Required("spotifyTiles.clientSecret").AsString(),
RedirectURI: cl.Get("spotifyTiles.redirectURI").AsString(),
},
KindleDashboard: &imagegen.Config{
WxLocation: cl.Required("kindle.weatherLocationID").AsString(),
MetOfficeDatapointAPIKey: cl.Required("kindle.metOfficeDatapointToken").AsString(),
TrainsLocation: cl.Required("kindle.trainsLocationCRS").AsString(),
RTTUsername: cl.Required("kindle.rttUsername").AsString(),
RTTPassword: cl.Required("kindle.rttPassword").AsString(),
},
CertificateMonitor: &CertificateMonitor{
Properties: cl.Required("certMon.properties").AsString(),
ToAddr: cl.Required("certMon.recipient").AsString(),

16
go.mod
View file

@ -3,9 +3,7 @@ module github.com/codemicro/platform
go 1.21.4
require (
git.tdpain.net/codemicro/kindle-dashboard v0.1.2
git.tdpain.net/pkg/cfger v0.1.0
github.com/a-h/templ v0.2.639
github.com/carlmjohnson/requests v0.23.5
github.com/go-playground/validator v9.31.0+incompatible
github.com/jakobvarmose/go-qidenticon v0.0.0-20170128000056-5c327fb4e74a
@ -21,29 +19,19 @@ require (
)
require (
github.com/ByteArena/poly2tri-go v0.0.0-20170716161910-d102ad91854f // indirect
github.com/aymerick/douceur v0.2.0 // indirect
github.com/benoitkugler/textlayout v0.3.0 // indirect
github.com/benoitkugler/textprocessing v0.0.3 // indirect
github.com/disintegration/imaging v1.6.2 // indirect
github.com/dsnet/compress v0.0.1 // indirect
github.com/fogleman/gg v1.3.0 // indirect
github.com/go-fonts/latin-modern v0.3.1 // indirect
github.com/go-playground/locales v0.14.0 // indirect
github.com/go-playground/universal-translator v0.18.0 // indirect
github.com/go-text/typesetting v0.0.0-20231013144250-6cc35dbfae7d // indirect
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/google/go-cmp v0.6.0 // indirect
github.com/gorilla/css v1.0.0 // indirect
github.com/leodido/go-urn v1.2.1 // indirect
github.com/tdewolff/canvas v0.0.0-20231102134958-6de43c767dbf // indirect
github.com/tdewolff/minify/v2 v2.20.5 // indirect
github.com/tdewolff/parse/v2 v2.7.3 // indirect
github.com/stretchr/testify v1.8.4 // indirect
golang.org/x/net v0.19.0 // indirect
golang.org/x/text v0.14.0 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/protobuf v1.31.0 // indirect
gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
star-tex.org/x/tex v0.4.0 // indirect
)

60
go.sum
View file

@ -1,45 +1,14 @@
git.sr.ht/~sbinet/gg v0.5.0 h1:6V43j30HM623V329xA9Ntq+WJrMjDxRjuAB1LFWF5m8=
git.sr.ht/~sbinet/gg v0.5.0/go.mod h1:G2C0eRESqlKhS7ErsNey6HHrqU1PwsnCQlekFi9Q2Oo=
git.tdpain.net/codemicro/kindle-dashboard v0.1.2 h1:l0e9q18Yliw/xbcO3TkHtK+CDe0OS3BBp40xRx5+OVw=
git.tdpain.net/codemicro/kindle-dashboard v0.1.2/go.mod h1:+1wQnmyHV/JYLPgnN6b6VgJG7fXs7G/RMb+oD5nzi6A=
git.tdpain.net/pkg/cfger v0.1.0 h1:Yhs2DaFIdbcSrbyywhsoxrHPevDEEBEKbqJqrUa3eso=
git.tdpain.net/pkg/cfger v0.1.0/go.mod h1:Kq5/hsUnYSYM2BVGFtXMlYEDIsIYiZTz4MUIlqZeX0k=
github.com/ByteArena/poly2tri-go v0.0.0-20170716161910-d102ad91854f h1:l7moT9o/v/9acCWA64Yz/HDLqjcRTvc0noQACi4MsJw=
github.com/ByteArena/poly2tri-go v0.0.0-20170716161910-d102ad91854f/go.mod h1:vIOkSdX3NDCPwgu8FIuTat2zDF0FPXXQ0RYFRy+oQic=
github.com/a-h/templ v0.2.639 h1:iNyjh6gllEshVDcj3taqtz7dltPKBtncvP+M8HNGdGQ=
github.com/a-h/templ v0.2.639/go.mod h1:SA7mtYwVEajbIXFRh3vKdYm/4FYyLQAtPH1+KxzGPA8=
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b h1:slYM766cy2nI3BwyRiyQj/Ud48djTMtMebDqepE95rw=
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b/go.mod h1:1KcenG0jGWcpt8ov532z81sp/kMMUG485J2InIOyADM=
github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
github.com/benoitkugler/pstokenizer v1.0.0/go.mod h1:l1G2Voirz0q/jj0TQfabNxVsa8HZXh/VMxFSRALWTiE=
github.com/benoitkugler/textlayout v0.3.0 h1:2ehWXEkgb6RUokTjXh1LzdGwG4dRP6X3dqhYYDYhUVk=
github.com/benoitkugler/textlayout v0.3.0/go.mod h1:o+1hFV+JSHBC9qNLIuwVoLedERU7sBPgEFcuSgfvi/w=
github.com/benoitkugler/textlayout-testdata v0.1.1/go.mod h1:i/qZl09BbUOtd7Bu/W1CAubRwTWrEXWq6JwMkw8wYxo=
github.com/benoitkugler/textprocessing v0.0.3 h1:Q2X+Z6vxuW5Bxn1R9RaNt0qcprBfpc2hEUDeTlz90Ng=
github.com/benoitkugler/textprocessing v0.0.3/go.mod h1:/4bLyCf1QYywunMK3Gf89Nhb50YI/9POewqrLxWhxd4=
github.com/campoy/embedmd v1.0.0 h1:V4kI2qTJJLf4J29RzI/MAt2c3Bl4dQSYPuflzwFH2hY=
github.com/campoy/embedmd v1.0.0/go.mod h1:oxyr9RCiSXg0M3VJ3ks0UGfp98BpSSGr0kpiX3MzVl8=
github.com/carlmjohnson/requests v0.23.5 h1:NPANcAofwwSuC6SIMwlgmHry2V3pLrSqRiSBKYbNHHA=
github.com/carlmjohnson/requests v0.23.5/go.mod h1:zG9P28thdRnN61aD7iECFhH5iGGKX2jIjKQD9kqYH+o=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
github.com/dsnet/compress v0.0.1 h1:PlZu0n3Tuv04TzpfPbrnI0HW/YwodEXDS+oPKahKF0Q=
github.com/dsnet/compress v0.0.1/go.mod h1:Aw8dCMJ7RioblQeTqt88akK31OvO8Dhf5JflhBbQEHo=
github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
github.com/fogleman/gg v1.3.0 h1:/7zJX8F6AaYQc57WQCyN9cAIz+4bCJGO9B+dyW29am8=
github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
github.com/go-fonts/latin-modern v0.3.1 h1:/cT8A7uavYKvglYXvrdDw4oS5ZLkcOU22fa2HJ1/JVM=
github.com/go-fonts/latin-modern v0.3.1/go.mod h1:ysEQXnuT/sCDOAONxC7ImeEDVINbltClhasMAqEtRK0=
github.com/go-fonts/liberation v0.3.1 h1:9RPT2NhUpxQ7ukUvz3jeUckmN42T9D9TpjtQcqK/ceM=
github.com/go-fonts/liberation v0.3.1/go.mod h1:jdJ+cqF+F4SUL2V+qxBth8fvBpBDS7yloUL5Fi8GTGY=
github.com/go-latex/latex v0.0.0-20230307184459-12ec69307ad9 h1:NxXI5pTAtpEaU49bpLpQoDsu1zrteW/vxzTz8Cd2UAs=
github.com/go-latex/latex v0.0.0-20230307184459-12ec69307ad9/go.mod h1:gWuR/CrFDDeVRFQwHPvsv9soJVB/iqymhuZQuJ3a9OM=
github.com/go-pdf/fpdf v0.9.0 h1:PPvSaUuo1iMi9KkaAn90NuKi+P4gwMedWPHhj8YlJQw=
github.com/go-pdf/fpdf v0.9.0/go.mod h1:oO8N111TkmKb9D7VvWGLvLJlaZUQVPM+6V42pp3iV4Y=
github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU=
github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs=
github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/jYrnRPArHwAcmLoJZxyho=
@ -48,10 +17,6 @@ github.com/go-playground/validator v9.31.0+incompatible h1:UA72EPEogEnq76ehGdEDp
github.com/go-playground/validator v9.31.0+incompatible/go.mod h1:yrEkQXlcI+PugkyDjY2bRrL/UBU4f3rvrgkN3V8JEig=
github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/go-text/typesetting v0.0.0-20231013144250-6cc35dbfae7d h1:HrdwTlHVMdi9nOW7ZnYiLmIT1hJHvipIwM0aX3rKn8I=
github.com/go-text/typesetting v0.0.0-20231013144250-6cc35dbfae7d/go.mod h1:evDBbvNR/KaVFZ2ZlDSOWWXIUKq0wCOEtzLxRM8SG3k=
github.com/go-text/typesetting-utils v0.0.0-20230616150549-2a7df14b6a22 h1:LBQTFxP2MfsyEDqSKmUBZaDuDHN1vpqDyOZjcqS7MYI=
github.com/go-text/typesetting-utils v0.0.0-20230616150549-2a7df14b6a22/go.mod h1:DDxDdQEnB70R8owOx3LVpEFvpMK9eeH1o2r0yZhFI9o=
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@ -71,8 +36,6 @@ github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible
github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible/go.mod h1:1c7szIrayyPPB/987hsnvNzLushdWf4o/79s3P08L8A=
github.com/julienschmidt/httprouter v1.3.0 h1:U0609e9tgbseu3rBINet9P48AI/D3oJs4dN7jwJOQ1U=
github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
github.com/klauspost/compress v1.4.1/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
github.com/klauspost/cpuid v1.2.0/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
github.com/lib/pq v1.2.0 h1:LXpIM/LZ5xGFhOpXAQUIMM1HdyqzVYM13zNdjCEEcA0=
@ -92,41 +55,20 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/tdewolff/canvas v0.0.0-20231102134958-6de43c767dbf h1:SiFIPDecTcEpw8GTDi2NsX0Cedp+GizeammteylMvmE=
github.com/tdewolff/canvas v0.0.0-20231102134958-6de43c767dbf/go.mod h1:QT5dPLAqJLD02UXi9Dd2BkCBV4i3zh+dVxITYpd7q2Y=
github.com/tdewolff/minify/v2 v2.20.5 h1:IbJpmpAFESnuJPdsvFBJWsDcXE5qHsmaVQrRqhOI9sI=
github.com/tdewolff/minify/v2 v2.20.5/go.mod h1:N78HtaitkDYAWXFbqhWX/LzgwylwudK0JvybGDVQ+Mw=
github.com/tdewolff/parse/v2 v2.7.3 h1:SHj/ry85FdqniccvzJTG+Gt/mi/HNa1cJcTzYZnvc5U=
github.com/tdewolff/parse/v2 v2.7.3/go.mod h1:9p2qMIHpjRSTr1qnFxQr+igogyTUTlwvf9awHSm84h8=
github.com/tdewolff/test v1.0.10/go.mod h1:6DAvZliBAAnD7rhVgwaM7DE5/d9NMOAJ09SqYqeK4QE=
github.com/tdewolff/test v1.0.11-0.20231101010635-f1265d231d52 h1:gAQliwn+zJrkjAHVcBEYW/RFvd2St4yYimisvozAYlA=
github.com/tdewolff/test v1.0.11-0.20231101010635-f1265d231d52/go.mod h1:6DAvZliBAAnD7rhVgwaM7DE5/d9NMOAJ09SqYqeK4QE=
github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20210504121937-7319ad40d33e/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.13.0 h1:3cge/F/QTkNLauhf2QoE9zp+7sr+ZcL4HnoZmdwg9sg=
golang.org/x/image v0.13.0/go.mod h1:6mmbMOeV28HuMTgA6OSRkdXKYw/t5W9Uwn2Yv1r3Yxk=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
golang.org/x/oauth2 v0.13.0 h1:jDDenyj+WgFtmV3zYVoi8aE2BwtXFLWOA67ZfNWftiY=
golang.org/x/oauth2 v0.13.0/go.mod h1:/JMhi4ZRXAf4HG9LiNmxvk+45+96RUlVThiH8FzNBn0=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gonum.org/v1/plot v0.14.0 h1:+LBDVFYwFe4LHhdP8coW6296MBEY4nQ+Y4vuUpJopcE=
gonum.org/v1/plot v0.14.0/go.mod h1:MLdR9424SJed+5VqC6MsouEpig9pZX2VZ57H9ko2bXU=
google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
@ -140,5 +82,3 @@ gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
star-tex.org/x/tex v0.4.0 h1:AXUwgpnHLCxZUWW3qrmjv6ezNhH3PjUVBuLLejz2cgU=
star-tex.org/x/tex v0.4.0/go.mod h1:w91ycsU/DkkCr7GWr60GPWqp3gn2U+6VX71T0o8k8qE=

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@ -15,7 +15,6 @@ import (
_ "github.com/codemicro/platform/modules/avatars"
_ "github.com/codemicro/platform/modules/certificateMonitor"
_ "github.com/codemicro/platform/modules/kindle"
_ "github.com/codemicro/platform/modules/readingList"
_ "github.com/codemicro/platform/modules/spotifyTiles"
_ "github.com/codemicro/platform/modules/test"

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@ -1,41 +0,0 @@
package avatars
import (
"crypto/sha1"
"fmt"
"git.tdpain.net/codemicro/kindle-dashboard/imagegen"
"github.com/codemicro/platform/config"
"github.com/codemicro/platform/platform"
"github.com/codemicro/platform/platform/util"
"github.com/julienschmidt/httprouter"
"net/http"
)
func init() {
router.GET("/image", util.WrapHandler(imageHandler))
platform.RegisterProvider("kindle", router, nil)
}
var router = httprouter.New()
func imageHandler(rw http.ResponseWriter, rq *http.Request, _ httprouter.Params) error {
imageData, err := imagegen.Generate(config.Get().KindleDashboard)
if err != nil {
return err
}
etag := fmt.Sprintf("\"%x\"", sha1.Sum(imageData))
if rq.Header.Get("If-None-Match") == etag {
rw.WriteHeader(304)
return nil
}
h := rw.Header()
h.Set("ETag", etag)
h.Set("Content-Type", "image/png")
rw.WriteHeader(200)
_, err = rw.Write(imageData)
return err
}