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vendor/github.com/aws/aws-sdk-go/example/service/cloudfront/signCookies/README.md

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+# Example
+
+This example shows how the CloudFront CookieSigner can be used to generate signed cookies to provided short term access to restricted resourced fronted by CloudFront.
+
+# Usage
+Makes a request for object using CloudFront cookie signing, and outputs the contents of the object to stdout.
+
+```sh
+go run -tags example signCookies.go -file <privkey file>  -id <keyId> -r <resource pattern> -g <object to get>
+```
+
+

vendor/github.com/aws/aws-sdk-go/example/service/cloudfront/signCookies/signCookies.go

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+// +build example
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"time"
+
+	"github.com/aws/aws-sdk-go/service/cloudfront/sign"
+)
+
+// Makes a request for object using CloudFront cookie signing, and outputs
+// the contents of the object to stdout.
+//
+// Usage example:
+// signCookies -file <privkey file>  -id <keyId> -r <resource pattern> -g <object to get>
+func main() {
+	var keyFile string  // Private key PEM file
+	var keyID string    // Key pair ID of CloudFront key pair
+	var resource string // CloudFront resource pattern
+	var object string   // S3 object frontented by CloudFront
+
+	flag.StringVar(&keyFile, "file", "", "private key file")
+	flag.StringVar(&keyID, "id", "", "key pair id")
+	flag.StringVar(&resource, "r", "", "resource to request")
+	flag.StringVar(&object, "g", "", "object to get")
+	flag.Parse()
+
+	// Load the PEM file into memory so it can be used by the signer
+	privKey, err := sign.LoadPEMPrivKeyFile(keyFile)
+	if err != nil {
+		fmt.Println("failed to load key,", err)
+		return
+	}
+
+	// Create the new CookieSigner to get signed cookies for CloudFront
+	// resource requests
+	signer := sign.NewCookieSigner(keyID, privKey)
+
+	// Get the cookies for the resource. These will be used
+	// to make the requests with
+	cookies, err := signer.Sign(resource, time.Now().Add(1*time.Hour))
+	if err != nil {
+		fmt.Println("failed to sign cookies", err)
+		return
+	}
+
+	// Use the cookies in a http.Client to show how they allow the client
+	// to request resources from CloudFront.
+	req, err := http.NewRequest("GET", object, nil)
+	fmt.Println("Cookies:")
+	for _, c := range cookies {
+		fmt.Printf("%s=%s;\n", c.Name, c.Value)
+		req.AddCookie(c)
+	}
+
+	// Send and handle the response. For a successful response the object's
+	// content will be written to stdout. The same process could be applied
+	// to a http service written cookies to the response but using
+	// http.SetCookie(w, c,) on the ResponseWriter.
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		fmt.Println("failed to send request", err)
+		return
+	}
+	defer resp.Body.Close()
+
+	b, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println("failed to read requested body", err)
+		return
+	}
+
+	fmt.Println("Response:", resp.Status)
+	fmt.Println(string(b))
+}