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add simple json endpoint example
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This commit is contained in:
Jeffrey Paul 2020-10-05 06:15:32 -07:00
parent a26c0b2b47
commit a9887634ab
5 changed files with 49 additions and 2 deletions
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2
go.mod
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@ -6,6 +6,8 @@ require (
github.com/99designs/basicauth-go v0.0.0-20160802081356-2a93ba0f464d
github.com/getsentry/sentry-go v0.7.0
github.com/go-chi/chi v4.1.2+incompatible
github.com/go-chi/cors v1.1.1
github.com/jgautheron/goconst v0.0.0-20200920201509-8f5268ce89d5 // indirect
github.com/joho/godotenv v1.3.0
github.com/prometheus/client_golang v1.6.0
github.com/rs/zerolog v1.20.0

5
go.sum
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@ -84,6 +84,8 @@ github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwv
github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
github.com/go-chi/chi v4.1.2+incompatible h1:fGFk2Gmi/YKXk0OmGfBh0WgmN3XB8lVnEyNz34tQRec=
github.com/go-chi/chi v4.1.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
github.com/go-chi/cors v1.1.1 h1:eHuqxsIw89iXcWnWUN8R72JMibABJTN/4IOYI5WERvw=
github.com/go-chi/cors v1.1.1/go.mod h1:K2Yje0VW/SJzxiyMYu6iPQYa7hMjQX2i/F491VChg1I=
github.com/go-errors/errors v1.0.1 h1:LUHzmkK3GUKUrL/1gfBUxAHzcev3apQlezX/+O7ma6w=
github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@ -171,6 +173,8 @@ github.com/iris-contrib/blackfriday v2.0.0+incompatible/go.mod h1:UzZ2bDEoaSGPbk
github.com/iris-contrib/go.uuid v2.0.0+incompatible/go.mod h1:iz2lgM/1UnEf1kP0L/+fafWORmlnuysV2EMP8MW+qe0=
github.com/iris-contrib/i18n v0.0.0-20171121225848-987a633949d0/go.mod h1:pMCz62A0xJL6I+umB2YTlFRwWXaDFA0jy+5HzGiJjqI=
github.com/iris-contrib/schema v0.0.1/go.mod h1:urYA3uvUNG1TIIjOSCzHr9/LmbQo8LrOcOqfqxa4hXw=
github.com/jgautheron/goconst v0.0.0-20200920201509-8f5268ce89d5 h1:LlI/THEqi2n5RNtIIplDTGNCQ6m81r2tem36s7XSxtU=
github.com/jgautheron/goconst v0.0.0-20200920201509-8f5268ce89d5/go.mod h1:aAosetZ5zaeC/2EfMeRswtxUFBpe2Hr7HzkgX4fanO4=
github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
@ -460,6 +464,7 @@ golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtn
golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc h1:NCy3Ohtk6Iny5V/reW2Ktypo4zIpWBdRJ1uFMjBxdg8=
golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=

15
httpserver/handlers.go Normal file
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@ -0,0 +1,15 @@
package httpserver
import (
"net/http"
"time"
)
func (s *server) handleNow() http.HandlerFunc {
type response struct {
Now time.Time `json:"now"`
}
return func(w http.ResponseWriter, r *http.Request) {
s.respondJSON(w, r, &response{Now: time.Now()}, 200)
}
}

19
httpserver/middlewares.go
View File

@ -7,9 +7,9 @@ import (
basicauth "github.com/99designs/basicauth-go"
"github.com/go-chi/chi/middleware"
"github.com/go-chi/cors"
metrics "github.com/slok/go-http-metrics/metrics/prometheus"
ghmm "github.com/slok/go-http-metrics/middleware"
"github.com/slok/go-http-metrics/middleware/std"
"github.com/spf13/viper"
)
@ -75,10 +75,25 @@ func (s *server) LoggingMiddleware() func(http.Handler) http.Handler {
}
}
func (s *server) CORSMiddleware() func(http.Handler) http.Handler {
return cors.Handler(cors.Options{
// CHANGEME! these are defaults, change them to suit your needs or
// read from environment/viper.
// AllowedOrigins: []string{"https://foo.com"}, // Use this to allow specific origin hosts
AllowedOrigins: []string{"*"},
// AllowOriginFunc: func(r *http.Request, origin string) bool { return true },
AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
AllowedHeaders: []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
ExposedHeaders: []string{"Link"},
AllowCredentials: false,
MaxAge: 300, // Maximum value not ignored by any of major browsers
})
}
func (s *server) AuthMiddleware() func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// FIXME you'll want to change this to do stuff.
// CHANGEME you'll want to change this to do stuff.
s.log.Info().Msg("AUTH: before request")
next.ServeHTTP(w, r)
})

10
httpserver/routes.go
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@ -30,6 +30,10 @@ func (s *server) routes() {
s.router.Use(s.MetricsMiddleware())
}
// set up CORS headers. you'll probably want to configure that
// in middlewares.go.
s.router.Use(s.CORSMiddleware())
// CHANGEME to suit your needs, or pull from config.
// timeout for request context; your handlers must finish within
// this window:
@ -55,6 +59,12 @@ func (s *server) routes() {
s.router.Get("/", s.handleIndex())
s.router.Get("/", s.handleIndex())
s.router.Route("/api/v1", func(r chi.Router) {
r.Get("/now", s.handleNow())
})
// if you want to use a general purpose middleware (http.Handler
// wrapper) on a specific HandleFunc route, you need to take the
// .ServeHTTP of the http.Handler to get its HandleFunc, viz: