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Migrate docker handler to OIDCRegistry #84

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Migrate docker handler to OIDCRegistry #84

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24 changes: 9 additions & 15 deletions internal/handlers/docker_registry.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,6 @@ import (
"net/http"
"regexp"
"strings"
"sync"

"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
Expand All @@ -31,18 +30,17 @@ type getECRClient func(region, keyID, secretKey string) (ecriface.ECRAPI, error)

// DockerRegistryHandler handles requests to Docker registries, adding auth.
type DockerRegistryHandler struct {
credentials []*dockerRegistryCredentials
transport http.RoundTripper
oidcCredentials map[string]*oidc.OIDCCredential
mutex sync.RWMutex
credentials []*dockerRegistryCredentials
transport http.RoundTripper
oidcRegistry *oidc.OIDCRegistry
}

// NewDockerRegistryHandler returns a new DockerRegistryHandler.
func NewDockerRegistryHandler(creds config.Credentials, transport http.RoundTripper, getECRClient getECRClient) *DockerRegistryHandler {
handler := DockerRegistryHandler{
credentials: []*dockerRegistryCredentials{},
transport: transport,
oidcCredentials: make(map[string]*oidc.OIDCCredential),
credentials: []*dockerRegistryCredentials{},
transport: transport,
oidcRegistry: oidc.NewOIDCRegistry(),
}

if getECRClient == nil {
Expand All @@ -59,12 +57,8 @@ func NewDockerRegistryHandler(creds config.Credentials, transport http.RoundTrip
registry = cred.Host()
}

oidcCredential, _ := oidc.CreateOIDCCredential(cred)
if oidcCredential != nil {
if registry != "" {
handler.oidcCredentials[registry] = oidcCredential
logging.RequestLogf(nil, "registered %s OIDC credentials for docker registry: %s", oidcCredential.Provider(), registry)
}
// OIDC credentials are not used as static credentials.
if oidcCred, _, _ := handler.oidcRegistry.Register(cred, []string{"registry"}, "docker registry"); oidcCred != nil {
continue
}

Expand Down Expand Up @@ -110,7 +104,7 @@ func (h *DockerRegistryHandler) HandleRequest(req *http.Request, ctx *goproxy.Pr
}

// Try OIDC credentials first
if oidc.TryAuthOIDCRequestWithPrefix(&h.mutex, h.oidcCredentials, req, ctx) {
if h.oidcRegistry.TryAuth(req, ctx) {
return req, nil
}

Expand Down
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