This is a Go script that can be deployed to AWS Lambda and returns the caller's IP address formatted in JSON.
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December 15, 2023 14:49
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What's My IP for AWS (Golang)
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module whats-my-ip | |
go 1.21.0 | |
require github.com/aws/aws-lambda-go v1.41.0 |
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github.com/aws/aws-lambda-go v1.41.0 h1:l/5fyVb6Ud9uYd411xdHZzSf2n86TakxzpvIoz7l+3Y= | |
github.com/aws/aws-lambda-go v1.41.0/go.mod h1:jwFe2KmMsHmffA1X2R09hH6lFzJQxzI8qK17ewzbQMM= | |
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/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | |
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | |
github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s= | |
github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals= | |
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= | |
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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package main | |
import ( | |
"encoding/json" | |
"github.com/aws/aws-lambda-go/events" | |
"github.com/aws/aws-lambda-go/lambda" | |
"net/http" | |
) | |
type response struct { | |
Ip string `json:"ip_address"` | |
} | |
func handler(req events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) { | |
requestContext := req.RequestContext | |
requestIdentity := requestContext.Identity | |
sourceIp := requestIdentity.SourceIP | |
response := &response{sourceIp} | |
json, err := json.Marshal(response) | |
if err != nil { | |
return events.APIGatewayProxyResponse{ | |
StatusCode: http.StatusInternalServerError, | |
}, err | |
} | |
return events.APIGatewayProxyResponse{ | |
StatusCode: http.StatusOK, | |
Body: string(json), | |
}, nil | |
} | |
func main() { | |
lambda.Start(handler) | |
} |
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