mirror of https://github.com/docker/docs.git
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Thanks to Michael Vierling for contributing sign3.go
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package awsauth
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import (
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"encoding/base64"
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"net/http"
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"time"
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)
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func stringToSignV3(req *http.Request) string {
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// TASK 1. http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/RESTAuthentication.html#StringToSign
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return req.Header.Get("Date") + req.Header.Get("x-amz-nonce")
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}
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func signatureV3(stringToSign string, keys Credentials) string {
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// TASK 2. http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/RESTAuthentication.html#Signature
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hash := hmacSHA256([]byte(keys.SecretAccessKey), stringToSign)
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return base64.StdEncoding.EncodeToString(hash)
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}
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func buildAuthHeaderV3(signature string, keys Credentials) string {
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// TASK 3. http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/RESTAuthentication.html#AuthorizationHeader
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return "AWS3-HTTPS AWSAccessKeyId=" + keys.AccessKeyID +
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", Algorithm=HmacSHA256" +
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", Signature=" + signature
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}
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func prepareRequestV3(req *http.Request) *http.Request {
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ts := timestampV3()
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necessaryDefaults := map[string]string{
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"Content-Type": "application/x-www-form-urlencoded; charset=utf-8",
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"x-amz-date": ts,
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"Date": ts,
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"x-amz-nonce": "",
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}
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for header, value := range necessaryDefaults {
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if req.Header.Get(header) == "" {
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req.Header.Set(header, value)
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}
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}
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if req.URL.Path == "" {
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req.URL.Path += "/"
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}
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return req
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}
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func timestampV3() string {
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return now().Format(timeFormatV3)
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}
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const timeFormatV3 = time.RFC1123
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