ret := &xdsAddr{host: u.Host}
	if !strings.HasSuffix(ret.host, ":443") {
		ret.host += ":443"
	}
	const projSeg = "/projects/"
	i := strings.Index(u.Path, projSeg)
	if i == -1 {
		return nil, fmt.Errorf("webhook URL %s doesn't contain the projects segment", u)
	}
	i += len(projSeg)
	j := strings.IndexByte(u.Path[i:], '/')
	if j == -1 {
		return nil, fmt.Errorf("webhook URL %s is malformed", u)
	}

# Istio

[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1395/badge)](https://bestpractices.coreinfrastructure.org/projects/1395)
[![Go Report Card](https://goreportcard.com/badge/github.com/istio/istio)](https://goreportcard.com/report/github.com/istio/istio)
[![GoDoc](https://godoc.org/istio.io/istio?status.svg)](https://godoc.org/istio.io/istio)

<a href="https://istio.io/">

)

type meshAuthCredentials struct {
	k8sCreds credentials.PerRPCCredentials
	gcpCreds credentials.PerRPCCredentials
	project  string
}

func (c *meshAuthCredentials) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
	ret := map[string]string{
		"x-goog-user-project": c.project,
	}
	if err := updateAuthHdrs(ctx, uri, "k8s", c.k8sCreds, ret, "x-mesh-authorization"); err != nil {
		return nil, err
	}

in the documentation and/or other materials provided with the
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

in the documentation and/or other materials provided with the
distribution.
   * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

in the documentation and/or other materials provided with the
distribution.
   * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

in the documentation and/or other materials provided with the
distribution.
   * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

in the documentation and/or other materials provided with the
distribution.
   * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

in the documentation and/or other materials provided with the
distribution.
   * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

* Neither the name of the author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.