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add optional cors header

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This commit is contained in:
Joel Schmid 2021-04-27 19:59:10 +02:00
parent 87583d136c
commit ecd51bd017
4 changed files with 20 additions and 2 deletions
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9
api/rest-api.go
View file

@ -4,10 +4,12 @@ import (
"encoding/json"
"fmt"
"net/http"
"weather-data/config"
"weather-data/storage"
"weather-data/weathersource"
"github.com/google/uuid"
"github.com/gorilla/handlers"
"github.com/gorilla/mux"
)
@ -29,8 +31,11 @@ func NewRestAPI(connection string, weatherStorage storage.WeatherStorage, sensor
//Start a new Rest-API instance
func (api *weatherRestApi) Start() error {
handler := api.handleRequests()
return http.ListenAndServe(api.connection, handler)
router := api.handleRequests()
originsOk := handlers.AllowedOrigins([]string{config.RestConfiguration.AccessControlAllowOriginHeader})
return http.ListenAndServe(api.connection, handlers.CORS(originsOk)(router))
}
//Close the rest api

8
config/config.go
View file

@ -31,6 +31,10 @@ type MqttConfig struct {
AllowAnonymousAuthentication bool
}
type RestConfig struct {
AccessControlAllowOriginHeader string
}
var MongoConfiguration = MongoConfig{
Host: getEnv("MONGO_HOST", "localhost:27017"),
Database: getEnv("MONGO_DB", "weathersensors"),
@ -56,6 +60,10 @@ var MqttConfiguration = MqttConfig{
AllowAnonymousAuthentication: getEnvBool("MQTT_ANONYMOUS", false),
}
var RestConfiguration = RestConfig{
AccessControlAllowOriginHeader: getEnv("ACCESS_CONTROL_ALLOW_ORIGIN_HEADER", "*"),
}
var AllowUnregisteredSensors = getEnvBool("ALLOW_UNREGISTERED_SENSORS", false)
//helper

1
go.mod
View file

@ -5,6 +5,7 @@ go 1.16
require (
github.com/eclipse/paho.mqtt.golang v1.3.2
github.com/google/uuid v1.2.0
github.com/gorilla/handlers v1.5.1 // indirect
github.com/gorilla/mux v1.8.0
github.com/influxdata/influxdb-client-go/v2 v2.2.2
go.mongodb.org/mongo-driver v1.5.1 // indirect

4
go.sum
View file

@ -10,6 +10,8 @@ github.com/deepmap/oapi-codegen v1.3.13/go.mod h1:WAmG5dWY8/PYHt4vKxlt90NsbHMAOC
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/eclipse/paho.mqtt.golang v1.3.2 h1:ICzfxSyrR8bOsh9l8JBBOwO1tc2C26oEyody0ml0L6E=
github.com/eclipse/paho.mqtt.golang v1.3.2/go.mod h1:eTzb4gxwwyWpqBUHGQZ4ABAV7+Jgm1PklsYT/eo8Hcc=
github.com/felixge/httpsnoop v1.0.1 h1:lvB5Jl89CsZtGIWuTcDM1E/vkVs49/Ml7JJe07l8SPQ=
github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
github.com/getkin/kin-openapi v0.13.0/go.mod h1:WGRs2ZMM1Q8LR1QBEwUxC6RJEfaBcD0s+pcEVXFuAjw=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
@ -46,6 +48,8 @@ github.com/golangci/lint-1 v0.0.0-20181222135242-d2cdd8c08219/go.mod h1:/X8TswGS
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/handlers v1.5.1 h1:9lRY6j8DEeeBT10CvO9hGW0gmky0BprnvDI5vfhUHH4=
github.com/gorilla/handlers v1.5.1/go.mod h1:t8XrUpc4KVXb7HGyJ4/cEnwQiaxrX/hz1Zv/4g96P1Q=
github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=