Merge pull request #10 from drone-plugins/ci-10505

adds access token support for docker

Author: eoinmcafee00

app.go

@@ -322,6 +322,11 @@ func Run() {
 			Usage:  "registry type",
 			EnvVar: "PLUGIN_REGISTRY_TYPE",
 		},
+		cli.StringFlag{
+			Name:   "access-token",
+			Usage:  "access token",
+			EnvVar: "ACCESS_TOKEN",
+		},
 	}
 
 	if err := app.Run(os.Args); err != nil {

docker.go

@@ -40,11 +40,12 @@ type (
 
 	// Login defines Docker login parameters.
 	Login struct {
-		Registry string // Docker registry address
-		Username string // Docker registry username
-		Password string // Docker registry password
-		Email    string // Docker registry email
-		Config   string // Docker Auth Config
+		Registry    string // Docker registry address
+		Username    string // Docker registry username
+		Password    string // Docker registry password
+		Email       string // Docker registry email
+		Config      string // Docker Auth Config
+		AccessToken string // External Access Token
 	}
 
 	// Build defines Docker build parameters.
@@ -152,6 +153,8 @@ func (p Plugin) Exec() error {
 		fmt.Println("Detected registry credentials")
 	case p.Login.Config != "":
 		fmt.Println("Detected registry credentials file")
+	case p.Login.AccessToken != "":
+		fmt.Println("Detected access token")
 	default:
 		fmt.Println("Registry credentials or Docker config not provided. Guest mode enabled.")
 	}
@@ -177,6 +180,17 @@ func (p Plugin) Exec() error {
 			fmt.Println(out)
 			return fmt.Errorf("Error authenticating: exit status 1")
 		}
+	} else if p.Login.AccessToken != "" {
+		cmd := commandLoginAccessToken(p.Login, p.Login.AccessToken)
+		output, err := cmd.CombinedOutput()
+		if err != nil {
+			return fmt.Errorf("error logging in to Docker registry: %s", err)
+		}
+		if strings.Contains(string(output), "Login Succeeded") {
+			fmt.Println("Login successful")
+		} else {
+			return fmt.Errorf("login did not succeed")
+		}
 	}
 
 	// cache export feature is currently not supported for docker driver hence we have to create docker-container driver
@@ -301,6 +315,18 @@ func commandLogin(login Login) *exec.Cmd {
 	)
 }
 
+// helper to login via access token
+func commandLoginAccessToken(login Login, accessToken string) *exec.Cmd {
+	cmd := exec.Command(dockerExe,
+		"login",
+		"-u",
+		"oauth2accesstoken",
+		"--password-stdin",
+		login.Registry)
+	cmd.Stdin = strings.NewReader(accessToken)
+	return cmd
+}
+
 // helper to check if args match "docker pull <image>"
 func isCommandPull(args []string) bool {
 	return len(args) > 2 && args[1] == "pull"

go.mod

@@ -3,7 +3,6 @@ module github.com/drone-plugins/drone-buildx
 require (
 	github.com/aws/aws-sdk-go v1.26.7
 	github.com/coreos/go-semver v0.3.0
-	github.com/drone-plugins/drone-plugin-lib v0.4.1
 	github.com/drone/drone-go v1.7.1
 	github.com/inhies/go-bytesize v0.0.0-20210819104631-275770b98743
 	github.com/joho/godotenv v1.3.0
@@ -13,6 +12,7 @@ require (
 
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/drone-plugins/drone-plugin-lib v0.4.2 // indirect
 	github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	golang.org/x/sys v0.0.0-20220731174439-a90be440212d // indirect

go.sum

@@ -12,6 +12,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/drone-plugins/drone-plugin-lib v0.4.1 h1:47rZlmcMpr1hSp+6Gl+1Z4t+efi/gMQU3lxukC1Yg64=
 github.com/drone-plugins/drone-plugin-lib v0.4.1/go.mod h1:KwCu92jFjHV3xv2hu5Qg/8zBNvGwbhoJDQw/EwnTvoM=
+github.com/drone-plugins/drone-plugin-lib v0.4.2 h1:EiJ3Kco6ypP5noBQqVt1bBbuO1eUAumtPvLTX/NVAYg=
+github.com/drone-plugins/drone-plugin-lib v0.4.2/go.mod h1:KwCu92jFjHV3xv2hu5Qg/8zBNvGwbhoJDQw/EwnTvoM=
 github.com/drone/drone-go v1.7.1 h1:ZX+3Rs8YHUSUQ5mkuMLmm1zr1ttiiE2YGNxF3AnyDKw=
 github.com/drone/drone-go v1.7.1/go.mod h1:fxCf9jAnXDZV1yDr0ckTuWd1intvcQwfJmTRpTZ1mXg=
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=