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metadata.go
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metadata.go
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package xml
import (
"encoding/xml"
"fmt"
"io"
"net/http"
"github.com/zitadel/saml/pkg/provider/xml/md"
)
func ReadMetadataFromURL(client *http.Client, url string) ([]byte, error) {
resp, err := client.Get(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("error while reading metadata with statusCode: %d", resp.StatusCode)
}
return io.ReadAll(resp.Body)
}
func ParseMetadataXmlIntoStruct(xmlData []byte) (*md.EntityDescriptorType, error) {
metadata := &md.EntityDescriptorType{}
if err := xml.Unmarshal(xmlData, metadata); err != nil {
return nil, err
}
return metadata, nil
}
func GetCertsFromKeyDescriptors(keyDescs []md.KeyDescriptorType) []string {
certStrs := []string{}
if keyDescs == nil {
return certStrs
}
for _, keyDescriptor := range keyDescs {
for _, x509Data := range keyDescriptor.KeyInfo.X509Data {
if len(x509Data.X509Certificate) != 0 {
switch keyDescriptor.Use {
case "", "signing":
certStrs = append(certStrs, x509Data.X509Certificate)
}
}
}
}
return certStrs
}