List possible GH repos on /getSession

Add an Info() method to pull out info about an auth session.

src/github.com/matrix-org/go-neb/api.go

@@ -295,6 +295,6 @@ func (h *getSessionHandler) OnIncomingRequest(req *http.Request) (interface{}, *
 	return &struct {
 		ID            string
 		Authenticated bool
-		Session       types.AuthSession
-	}{session.ID(), session.Authenticated(), session}, nil
+		Session       interface{}
+	}{session.ID(), session.Authenticated(), session.Info()}, nil
 }

src/github.com/matrix-org/go-neb/realms/github/github.go

@@ -5,7 +5,9 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	log "github.com/Sirupsen/logrus"
+	"github.com/google/go-github/github"
 	"github.com/matrix-org/go-neb/database"
+	"github.com/matrix-org/go-neb/services/github/client"
 	"github.com/matrix-org/go-neb/types"
 	"io/ioutil"
 	"net/http"
@@ -37,6 +39,33 @@ func (s *GithubSession) Authenticated() bool {
 	return s.AccessToken != ""
 }
 
+// Info returns a list of possible repositories that this session can integrate with.
+func (s *GithubSession) Info() interface{} {
+	logger := log.WithFields(log.Fields{
+		"user_id":  s.userID,
+		"realm_id": s.realmID,
+	})
+	cli := client.New(s.AccessToken)
+	// query for a list of possible projects
+	rs, _, err := cli.Repositories.List("", &github.RepositoryListOptions{
+		Type: "all",
+	})
+	if err != nil {
+		logger.WithError(err).Print("Failed to query github projects on github.com")
+		return nil
+	}
+
+	var repos []client.TrimmedRepository
+
+	for _, r := range rs {
+		repos = append(repos, client.TrimRepository(r))
+	}
+
+	return struct {
+		Repos []client.TrimmedRepository
+	}{repos}
+}
+
 // UserID returns the user_id who authorised with Github
 func (s *GithubSession) UserID() string {
 	return s.userID

src/github.com/matrix-org/go-neb/realms/jira/jira.go

@@ -52,6 +52,11 @@ func (s *JIRASession) Authenticated() bool {
 	return s.AccessToken != "" && s.AccessSecret != ""
 }
 
+// Info returns nothing
+func (s *JIRASession) Info() interface{} {
+	return nil
+}
+
 // UserID returns the ID of the user performing the authentication.
 func (s *JIRASession) UserID() string {
 	return s.userID

src/github.com/matrix-org/go-neb/services/github/client/client.go

@@ -0,0 +1,51 @@
+package client
+
+import (
+	"github.com/google/go-github/github"
+	"golang.org/x/oauth2"
+)
+
+// TrimmedRepository represents a cut-down version of github.Repository with only the keys the end-user is
+// likely to want.
+type TrimmedRepository struct {
+	Name        *string           `json:"name"`
+	Description *string           `json:"description"`
+	Private     *bool             `json:"private"`
+	HTMLURL     *string           `json:"html_url"`
+	CreatedAt   *github.Timestamp `json:"created_at"`
+	UpdatedAt   *github.Timestamp `json:"updated_at"`
+	PushedAt    *github.Timestamp `json:"pushed_at"`
+	Fork        *bool             `json:"fork"`
+	FullName    *string           `json:"full_name"`
+	Permissions *map[string]bool  `json:"permissions"`
+}
+
+// TrimRepository trims a github repo into important fields only.
+func TrimRepository(repo *github.Repository) TrimmedRepository {
+	return TrimmedRepository{
+		Name:        repo.Name,
+		Description: repo.Description,
+		Private:     repo.Private,
+		HTMLURL:     repo.HTMLURL,
+		CreatedAt:   repo.CreatedAt,
+		UpdatedAt:   repo.UpdatedAt,
+		PushedAt:    repo.PushedAt,
+		Permissions: repo.Permissions,
+		Fork:        repo.Fork,
+		FullName:    repo.FullName,
+	}
+}
+
+// New returns a github Client which can perform Github API operations.
+// If `token` is empty, a non-authenticated client will be created. This should be
+// used sparingly where possible as you only get 60 requests/hour like that (IP locked).
+func New(token string) *github.Client {
+	var tokenSource oauth2.TokenSource
+	if token != "" {
+		tokenSource = oauth2.StaticTokenSource(
+			&oauth2.Token{AccessToken: token},
+		)
+	}
+	httpCli := oauth2.NewClient(oauth2.NoContext, tokenSource)
+	return github.NewClient(httpCli)
+}

src/github.com/matrix-org/go-neb/services/github/github.go

@@ -8,9 +8,9 @@ import (
 	"github.com/matrix-org/go-neb/matrix"
 	"github.com/matrix-org/go-neb/plugin"
 	"github.com/matrix-org/go-neb/realms/github"
+	"github.com/matrix-org/go-neb/services/github/client"
 	"github.com/matrix-org/go-neb/services/github/webhook"
 	"github.com/matrix-org/go-neb/types"
-	"golang.org/x/oauth2"
 	"net/http"
 	"regexp"
 	"strconv"
@@ -290,9 +290,9 @@ func (s *githubService) githubClientFor(userID string, allowUnauth bool) *github
 		}).Print("Failed to get token for user")
 	}
 	if token != "" {
-		return githubClient(token)
+		return client.New(token)
 	} else if allowUnauth {
-		return githubClient("")
+		return client.New("")
 	} else {
 		return nil
 	}
@@ -322,20 +322,6 @@ func getTokenForUser(realmID, userID string) (string, error) {
 	return ghSession.AccessToken, nil
 }
 
-// githubClient returns a github Client which can perform Github API operations.
-// If `token` is empty, a non-authenticated client will be created. This should be
-// used sparingly where possible as you only get 60 requests/hour like that (IP locked).
-func githubClient(token string) *github.Client {
-	var tokenSource oauth2.TokenSource
-	if token != "" {
-		tokenSource = oauth2.StaticTokenSource(
-			&oauth2.Token{AccessToken: token},
-		)
-	}
-	httpCli := oauth2.NewClient(oauth2.NoContext, tokenSource)
-	return github.NewClient(httpCli)
-}
-
 // ownerRepoNumberFromText parses a GH issue string that looks like 'owner/repo#11'
 // into its constituient parts. Returns: owner, repo, issue#.
 func ownerRepoNumberFromText(ownerRepoNumberText string) (string, string, int, error) {

src/github.com/matrix-org/go-neb/types/types.go

@@ -124,4 +124,5 @@ type AuthSession interface {
 	UserID() string
 	RealmID() string
 	Authenticated() bool
+	Info() interface{}
 }