coder · kylecarbs · Feb 27, 2023 · Feb 22, 2023 · Feb 22, 2023 · Feb 22, 2023
diff --git a/cli/cliui/gitauth.go b/cli/cliui/gitauth.go
@@ -0,0 +1,72 @@
+package cliui
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"time"
+
+	"github.com/briandowns/spinner"
+
+	"github.com/coder/coder/codersdk"
+)
+
+type GitAuthOptions struct {
+	Fetch         func(context.Context) ([]codersdk.TemplateVersionGitAuth, error)
+	FetchInterval time.Duration
+}
+
+func GitAuth(ctx context.Context, writer io.Writer, opts GitAuthOptions) error {
+	if opts.FetchInterval == 0 {
+		opts.FetchInterval = 500 * time.Millisecond
+	}
+	gitAuth, err := opts.Fetch(ctx)
+	if err != nil {
+		return err
+	}
+
+	spin := spinner.New(spinner.CharSets[78], 100*time.Millisecond, spinner.WithColor("fgHiGreen"))
+	spin.Writer = writer
+	spin.ForceOutput = true
+	spin.Suffix = " Waiting for Git authentication..."
+	defer spin.Stop()
+
+	ticker := time.NewTicker(opts.FetchInterval)
+	defer ticker.Stop()
+	for _, auth := range gitAuth {
+		if auth.Authenticated {
+			return nil
+		}
+
+		_, _ = fmt.Fprintf(writer, "You must authenticate with %s to create a workspace with this template. Visit:\n\n\t%s\n\n", auth.Type.Pretty(), auth.AuthenticateURL)
+
+		ticker.Reset(opts.FetchInterval)
+		spin.Start()
+		for {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			case <-ticker.C:
+			}
+			gitAuth, err := opts.Fetch(ctx)
+			if err != nil {
+				return err
+			}
+			var authed bool
+			for _, a := range gitAuth {
+				if !a.Authenticated || a.ID != auth.ID {
+					continue
+				}
+				authed = true
+				break
+			}
+			// The user authenticated with the provider!
+			if authed {
+				break
+			}
+		}
+		spin.Stop()
+		_, _ = fmt.Fprintf(writer, "Successfully authenticated with %s!\n\n", auth.Type.Pretty())
+	}
+	return nil
+}
diff --git a/cli/cliui/gitauth_test.go b/cli/cliui/gitauth_test.go
@@ -0,0 +1,55 @@
+package cliui_test
+
+import (
+	"context"
+	"net/url"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/spf13/cobra"
+	"github.com/stretchr/testify/assert"
+
+	"github.com/coder/coder/cli/cliui"
+	"github.com/coder/coder/codersdk"
+	"github.com/coder/coder/pty/ptytest"
+	"github.com/coder/coder/testutil"
+)
+
+func TestGitAuth(t *testing.T) {
+	t.Parallel()
+
+	ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitShort)
+	defer cancel()
+
+	ptty := ptytest.New(t)
+	cmd := &cobra.Command{
+		RunE: func(cmd *cobra.Command, args []string) error {
+			var fetched atomic.Bool
+			return cliui.GitAuth(cmd.Context(), cmd.OutOrStdout(), cliui.GitAuthOptions{
+				Fetch: func(ctx context.Context) ([]codersdk.TemplateVersionGitAuth, error) {
+					defer fetched.Store(true)
+					return []codersdk.TemplateVersionGitAuth{{
+						ID:              "github",
+						Type:            codersdk.GitProviderGitHub,
+						Authenticated:   fetched.Load(),
+						AuthenticateURL: "https://example.com/gitauth/github?redirect=" + url.QueryEscape("/gitauth?notify"),
+					}}, nil
+				},
+				FetchInterval: time.Millisecond,
+			})
+		},
+	}
+	cmd.SetOutput(ptty.Output())
+	cmd.SetIn(ptty.Input())
+	done := make(chan struct{})
+	go func() {
+		defer close(done)
+		err := cmd.Execute()
+		assert.NoError(t, err)
+	}()
+	ptty.ExpectMatchContext(ctx, "You must authenticate with")
+	ptty.ExpectMatchContext(ctx, "https://example.com/gitauth/github")
+	ptty.ExpectMatchContext(ctx, "Successfully authenticated with GitHub")
+	<-done
+}
diff --git a/cli/create.go b/cli/create.go
@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"context"
 	"fmt"
 	"io"
 	"time"
@@ -324,6 +325,15 @@ PromptRichParamLoop:
 		_, _ = fmt.Fprintln(cmd.OutOrStdout())
 	}
 
+	err = cliui.GitAuth(ctx, cmd.OutOrStdout(), cliui.GitAuthOptions{
+		Fetch: func(ctx context.Context) ([]codersdk.TemplateVersionGitAuth, error) {
+			return client.TemplateVersionGitAuth(ctx, templateVersion.ID)
+		},
+	})
+	if err != nil {
+		return nil, xerrors.Errorf("template version git auth: %w", err)
+	}
+
 	// Run a dry-run with the given parameters to check correctness
 	dryRun, err := client.CreateTemplateVersionDryRun(cmd.Context(), templateVersion.ID, codersdk.CreateTemplateVersionDryRunRequest{
 		WorkspaceName:       args.NewWorkspaceName,

diff --git a/cli/create_test.go b/cli/create_test.go
@@ -3,15 +3,21 @@ package cli_test
 import (
 	"context"
 	"fmt"
+	"net/http"
+	"net/url"
 	"os"
+	"regexp"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"golang.org/x/oauth2"
 
 	"github.com/coder/coder/cli/clitest"
 	"github.com/coder/coder/coderd/coderdtest"
+	"github.com/coder/coder/coderd/database"
+	"github.com/coder/coder/coderd/gitauth"
 	"github.com/coder/coder/codersdk"
 	"github.com/coder/coder/provisioner/echo"
 	"github.com/coder/coder/provisionersdk/proto"
@@ -603,6 +609,61 @@ func TestCreateValidateRichParameters(t *testing.T) {
 	})
 }
 
+func TestCreateWithGitAuth(t *testing.T) {
+	t.Parallel()
+	echoResponses := &echo.Responses{
+		Parse: echo.ParseComplete,
+		ProvisionPlan: []*proto.Provision_Response{
+			{
+				Type: &proto.Provision_Response_Complete{
+					Complete: &proto.Provision_Complete{
+						GitAuthProviders: []string{"github"},
+					},
+				},
+			},
+		},
+		ProvisionApply: []*proto.Provision_Response{{
+			Type: &proto.Provision_Response_Complete{
+				Complete: &proto.Provision_Complete{},
+			},
+		}},
+	}
+
+	client := coderdtest.New(t, &coderdtest.Options{
+		GitAuthConfigs: []*gitauth.Config{{
+			OAuth2Config: &oauth2Config{},
+			ID:           "github",
+			Regex:        regexp.MustCompile(`github\.com`),
+			Type:         codersdk.GitProviderGitHub,
+		}},
+		IncludeProvisionerDaemon: true,
+	})
+	user := coderdtest.CreateFirstUser(t, client)
+	version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, echoResponses)
+	coderdtest.AwaitTemplateVersionJob(t, client, version.ID)
+	template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
+
+	cmd, root := clitest.New(t, "create", "my-workspace", "--template", template.Name)
+	clitest.SetupConfig(t, client, root)
+	doneChan := make(chan struct{})
+	pty := ptytest.New(t)
+	cmd.SetIn(pty.Input())
+	cmd.SetOut(pty.Output())
+	go func() {
+		defer close(doneChan)
+		err := cmd.Execute()
+		assert.NoError(t, err)
+	}()
+
+	pty.ExpectMatch("You must authenticate with GitHub to create a workspace")
+	resp := coderdtest.RequestGitAuthCallback(t, "github", client)
+	_ = resp.Body.Close()
+	require.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
+	pty.ExpectMatch("Confirm create?")
+	pty.WriteLine("yes")
+	<-doneChan
+}
+
 func createTestParseResponseWithDefault(defaultValue string) []*proto.Parse_Response {
 	return []*proto.Parse_Response{{
 		Type: &proto.Parse_Response_Complete{
@@ -638,3 +699,31 @@ func createTestParseResponseWithDefault(defaultValue string) []*proto.Parse_Resp
 		},
 	}}
 }
+
+type oauth2Config struct{}
+
+func (*oauth2Config) AuthCodeURL(state string, _ ...oauth2.AuthCodeOption) string {
+	return "/?state=" + url.QueryEscape(state)
+}
+
+func (*oauth2Config) Exchange(context.Context, string, ...oauth2.AuthCodeOption) (*oauth2.Token, error) {
+	return &oauth2.Token{
+		AccessToken:  "token",
+		RefreshToken: "refresh",
+		Expiry:       database.Now().Add(time.Hour),
+	}, nil
+}
+
+func (*oauth2Config) TokenSource(context.Context, *oauth2.Token) oauth2.TokenSource {
+	return &oauth2TokenSource{}
+}
+
+type oauth2TokenSource struct{}
+
+func (*oauth2TokenSource) Token() (*oauth2.Token, error) {
+	return &oauth2.Token{
+		AccessToken:  "token",
+		RefreshToken: "refresh",
+		Expiry:       database.Now().Add(time.Hour),
+	}, nil
+}
diff --git a/cmd/cliui/main.go b/cmd/cliui/main.go
@@ -5,8 +5,10 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"net/url"
 	"os"
 	"strings"
+	"sync/atomic"
 	"time"
 
 	"github.com/spf13/cobra"
@@ -235,6 +237,41 @@ func main() {
 		},
 	})
 
+	root.AddCommand(&cobra.Command{
+		Use: "git-auth",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			var count atomic.Int32
+			var githubAuthed atomic.Bool
+			var gitlabAuthed atomic.Bool
+			go func() {
+				// Sleep to display the loading indicator.
+				time.Sleep(time.Second)
+				// Swap to true to display success and move onto GitLab.
+				githubAuthed.Store(true)
+				// Show the loading indicator again...
+				time.Sleep(time.Second * 2)
+				// Complete the auth!
+				gitlabAuthed.Store(true)
+			}()
+			return cliui.GitAuth(cmd.Context(), cmd.OutOrStdout(), cliui.GitAuthOptions{
+				Fetch: func(ctx context.Context) ([]codersdk.TemplateVersionGitAuth, error) {
+					count.Add(1)
+					return []codersdk.TemplateVersionGitAuth{{
+						ID:              "github",
+						Type:            codersdk.GitProviderGitHub,
+						Authenticated:   githubAuthed.Load(),
+						AuthenticateURL: "https://example.com/gitauth/github?redirect=" + url.QueryEscape("/gitauth?notify"),
+					}, {
+						ID:              "gitlab",
+						Type:            codersdk.GitProviderGitLab,
+						Authenticated:   gitlabAuthed.Load(),
+						AuthenticateURL: "https://example.com/gitauth/gitlab?redirect=" + url.QueryEscape("/gitauth?notify"),
+					}}, nil
+				},
+			})
+		},
+	})
+
 	err := root.Execute()
 	if err != nil {
 		_, _ = fmt.Println(err.Error())