forked from TrueCloudLab/distribution
42 lines
1 KiB
Go
42 lines
1 KiB
Go
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// +build !go1.4
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package registry
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import (
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"encoding/base64"
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"net/http"
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"strings"
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)
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// NOTE(stevvooe): This is basic auth support from go1.4 present to ensure we
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// can compile on go1.3 and earlier.
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// BasicAuth returns the username and password provided in the request's
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// Authorization header, if the request uses HTTP Basic Authentication.
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// See RFC 2617, Section 2.
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func basicAuth(r *http.Request) (username, password string, ok bool) {
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auth := r.Header.Get("Authorization")
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if auth == "" {
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return
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}
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return parseBasicAuth(auth)
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}
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// parseBasicAuth parses an HTTP Basic Authentication string.
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// "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" returns ("Aladdin", "open sesame", true).
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func parseBasicAuth(auth string) (username, password string, ok bool) {
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if !strings.HasPrefix(auth, "Basic ") {
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return
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}
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c, err := base64.StdEncoding.DecodeString(strings.TrimPrefix(auth, "Basic "))
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if err != nil {
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return
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}
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cs := string(c)
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s := strings.IndexByte(cs, ':')
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if s < 0 {
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return
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}
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return cs[:s], cs[s+1:], true
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}
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