github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/registry/service_v2.go (about)

     1  package registry // import "github.com/docker/docker/registry"
     2  
     3  import (
     4  	"net/url"
     5  	"strings"
     6  
     7  	"github.com/docker/go-connections/tlsconfig"
     8  )
     9  
    10  func (s *DefaultService) lookupV2Endpoints(hostname string) (endpoints []APIEndpoint, err error) {
    11  	tlsConfig := tlsconfig.ServerDefault()
    12  
    13  	ana := allowNondistributableArtifacts(s.config, hostname)
    14  
    15  	if hostname == DefaultNamespace || hostname == IndexHostname {
    16  		for _, mirror := range s.config.Mirrors {
    17  			if !strings.HasPrefix(mirror, "http://") && !strings.HasPrefix(mirror, "https://") {
    18  				mirror = "https://" + mirror
    19  			}
    20  			mirrorURL, err := url.Parse(mirror)
    21  			if err != nil {
    22  				return nil, err
    23  			}
    24  			mirrorTLSConfig, err := s.tlsConfigForMirror(mirrorURL)
    25  			if err != nil {
    26  				return nil, err
    27  			}
    28  			endpoints = append(endpoints, APIEndpoint{
    29  				URL:          mirrorURL,
    30  				Version:      APIVersion2,
    31  				Mirror:       true,
    32  				TrimHostname: true,
    33  				TLSConfig:    mirrorTLSConfig,
    34  			})
    35  		}
    36  		endpoints = append(endpoints, APIEndpoint{
    37  			URL:          DefaultV2Registry,
    38  			Version:      APIVersion2,
    39  			Official:     true,
    40  			TrimHostname: true,
    41  			TLSConfig:    tlsConfig,
    42  
    43  			AllowNondistributableArtifacts: ana,
    44  		})
    45  
    46  		return endpoints, nil
    47  	}
    48  
    49  	tlsConfig, err = s.tlsConfig(hostname)
    50  	if err != nil {
    51  		return nil, err
    52  	}
    53  
    54  	endpoints = []APIEndpoint{
    55  		{
    56  			URL: &url.URL{
    57  				Scheme: "https",
    58  				Host:   hostname,
    59  			},
    60  			Version:                        APIVersion2,
    61  			AllowNondistributableArtifacts: ana,
    62  			TrimHostname:                   true,
    63  			TLSConfig:                      tlsConfig,
    64  		},
    65  	}
    66  
    67  	if tlsConfig.InsecureSkipVerify {
    68  		endpoints = append(endpoints, APIEndpoint{
    69  			URL: &url.URL{
    70  				Scheme: "http",
    71  				Host:   hostname,
    72  			},
    73  			Version:                        APIVersion2,
    74  			AllowNondistributableArtifacts: ana,
    75  			TrimHostname:                   true,
    76  			// used to check if supposed to be secure via InsecureSkipVerify
    77  			TLSConfig: tlsConfig,
    78  		})
    79  	}
    80  
    81  	return endpoints, nil
    82  }