initial server implementation for using google as a single-sign-on oauth service

api/user.go

@@ -1314,9 +1314,15 @@ func GetAuthorizationCode(c *Context, w http.ResponseWriter, r *http.Request, te
 
 	clientId := utils.Cfg.SSOSettings[service].Id
 	endpoint := utils.Cfg.SSOSettings[service].AuthEndpoint
+	scope := utils.Cfg.SSOSettings[service].Scope
 	state := model.HashPassword(clientId)
 
 	authUrl := endpoint + "?response_type=code&client_id=" + clientId + "&redirect_uri=" + url.QueryEscape(redirectUri+"?team="+teamName) + "&state=" + url.QueryEscape(state)
+
+	if len(scope) > 0 {
+		authUrl += "&scope=" + utils.UrlEncode(scope)
+	}
+
 	http.Redirect(w, r, authUrl, http.StatusFound)
 }
 

config/config.json

@@ -29,9 +29,19 @@
             "Allow": false,
             "Secret" : "",
             "Id": "",
+            "Scope": "",
             "AuthEndpoint": "",
             "TokenEndpoint": "",
             "UserApiEndpoint": ""
+        },
+        "google": {
+            "Allow": true,
+            "Secret": "hWN1kiPeyihN6nHr36j0oDqx",
+            "Id": "974585606220-ek5q66olpagb069pkg9ok0d7h8djeov6.apps.googleusercontent.com",
+            "Scope": "email profile",
+            "AuthEndpoint": "https://accounts.google.com/o/oauth2/auth",
+            "TokenEndpoint": "https://www.googleapis.com/oauth2/v3/token",
+            "UserApiEndpoint": "https://www.googleapis.com/plus/v1/people/me"
         }
     },
     "SqlSettings": {

model/gitlab.go

@@ -0,0 +1,57 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"strconv"
+	"strings"
+)
+
+const (
+	USER_AUTH_SERVICE_GITLAB = "gitlab"
+)
+
+type GitLabUser struct {
+	Id       int64  `json:"id"`
+	Username string `json:"username"`
+	Email    string `json:"email"`
+	Name     string `json:"name"`
+}
+
+func UserFromGitLabUser(glu *GitLabUser) *User {
+	user := &User{}
+	user.Username = glu.Username
+	splitName := strings.Split(glu.Name, " ")
+	if len(splitName) == 2 {
+		user.FirstName = splitName[0]
+		user.LastName = splitName[1]
+	} else if len(splitName) >= 2 {
+		user.FirstName = splitName[0]
+		user.LastName = strings.Join(splitName[1:], " ")
+	} else {
+		user.FirstName = glu.Name
+	}
+	user.Email = glu.Email
+	user.AuthData = strconv.FormatInt(glu.Id, 10)
+	user.AuthService = USER_AUTH_SERVICE_GITLAB
+
+	return user
+}
+
+func GitLabUserFromJson(data io.Reader) *GitLabUser {
+	decoder := json.NewDecoder(data)
+	var glu GitLabUser
+	err := decoder.Decode(&glu)
+	if err == nil {
+		return &glu
+	} else {
+		return nil
+	}
+}
+
+func (glu *GitLabUser) GetAuthData() string {
+	return strconv.FormatInt(glu.Id, 10)
+}

model/google.go

@@ -0,0 +1,54 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	USER_AUTH_SERVICE_GOOGLE = "google"
+)
+
+type GoogleUser struct {
+	Id       string              `json:"id"`
+	Nickname string              `json:"nickname"`
+	Emails   []map[string]string `json:"emails"`
+	Names    map[string]string   `json:"name"`
+}
+
+func UserFromGoogleUser(gu *GoogleUser) *User {
+	user := &User{}
+	user.Username = gu.Nickname
+	user.FirstName = gu.Names["givenName"]
+	user.LastName = gu.Names["familyName"]
+	user.Nickname = gu.Nickname
+
+	for _, e := range gu.Emails {
+		if e["type"] == "account" {
+			user.Email = e["value"]
+		}
+	}
+
+	user.AuthData = gu.Id
+	user.AuthService = USER_AUTH_SERVICE_GOOGLE
+
+	return user
+}
+
+func GoogleUserFromJson(data io.Reader) *GoogleUser {
+	decoder := json.NewDecoder(data)
+	var gu GoogleUser
+	err := decoder.Decode(&gu)
+	if err == nil {
+		return &gu
+	} else {
+		return nil
+	}
+}
+
+func (gu *GoogleUser) GetAuthData() string {
+	return gu.Id
+}

model/user.go

@@ -8,24 +8,22 @@ import (
 	"encoding/json"
 	"io"
 	"regexp"
-	"strconv"
 	"strings"
 )
 
 const (
-	ROLE_ADMIN               = "admin"
-	ROLE_SYSTEM_ADMIN        = "system_admin"
-	ROLE_SYSTEM_SUPPORT      = "system_support"
-	USER_AWAY_TIMEOUT        = 5 * 60 * 1000 // 5 minutes
-	USER_OFFLINE_TIMEOUT     = 1 * 60 * 1000 // 1 minute
-	USER_OFFLINE             = "offline"
-	USER_AWAY                = "away"
-	USER_ONLINE              = "online"
-	USER_NOTIFY_ALL          = "all"
-	USER_NOTIFY_MENTION      = "mention"
-	USER_NOTIFY_NONE         = "none"
-	BOT_USERNAME             = "valet"
-	USER_AUTH_SERVICE_GITLAB = "gitlab"
+	ROLE_ADMIN           = "admin"
+	ROLE_SYSTEM_ADMIN    = "system_admin"
+	ROLE_SYSTEM_SUPPORT  = "system_support"
+	USER_AWAY_TIMEOUT    = 5 * 60 * 1000 // 5 minutes
+	USER_OFFLINE_TIMEOUT = 1 * 60 * 1000 // 1 minute
+	USER_OFFLINE         = "offline"
+	USER_AWAY            = "away"
+	USER_ONLINE          = "online"
+	USER_NOTIFY_ALL      = "all"
+	USER_NOTIFY_MENTION  = "mention"
+	USER_NOTIFY_NONE     = "none"
+	BOT_USERNAME         = "valet"
 )
 
 type User struct {
@@ -54,13 +52,6 @@ type User struct {
 	FailedAttempts     int       `json:"failed_attempts"`
 }
 
-type GitLabUser struct {
-	Id       int64  `json:"id"`
-	Username string `json:"username"`
-	Email    string `json:"email"`
-	Name     string `json:"name"`
-}
-
 // IsValid validates the user and returns an error if it isn't configured
 // correctly.
 func (u *User) IsValid() *AppError {
@@ -355,38 +346,3 @@ func IsUsernameValid(username string) bool {
 
 	return true
 }
-
-func UserFromGitLabUser(glu *GitLabUser) *User {
-	user := &User{}
-	user.Username = glu.Username
-	splitName := strings.Split(glu.Name, " ")
-	if len(splitName) == 2 {
-		user.FirstName = splitName[0]
-		user.LastName = splitName[1]
-	} else if len(splitName) >= 2 {
-		user.FirstName = splitName[0]
-		user.LastName = strings.Join(splitName[1:], " ")
-	} else {
-		user.FirstName = glu.Name
-	}
-	user.Email = glu.Email
-	user.AuthData = strconv.FormatInt(glu.Id, 10)
-	user.AuthService = USER_AUTH_SERVICE_GITLAB
-
-	return user
-}
-
-func GitLabUserFromJson(data io.Reader) *GitLabUser {
-	decoder := json.NewDecoder(data)
-	var glu GitLabUser
-	err := decoder.Decode(&glu)
-	if err == nil {
-		return &glu
-	} else {
-		return nil
-	}
-}
-
-func (glu *GitLabUser) GetAuthData() string {
-	return strconv.FormatInt(glu.Id, 10)
-}

utils/config.go

@@ -37,6 +37,7 @@ type SSOSetting struct {
 	Allow           bool
 	Secret          string
 	Id              string
+	Scope           string
 	AuthEndpoint    string
 	TokenEndpoint   string
 	UserApiEndpoint string

web/web.go

@@ -53,13 +53,13 @@ func InitWeb() {
 	mainrouter.Handle("/{team:[A-Za-z0-9-]+(__)?[A-Za-z0-9-]+}/", api.AppHandler(login)).Methods("GET")
 	mainrouter.Handle("/{team:[A-Za-z0-9-]+(__)?[A-Za-z0-9-]+}/login", api.AppHandler(login)).Methods("GET")
 
-	// Bug in gorilla.mux pervents us from using regex here.
+	// Bug in gorilla.mux prevents us from using regex here.
 	mainrouter.Handle("/{team}/login/{service}", api.AppHandler(loginWithOAuth)).Methods("GET")
 	mainrouter.Handle("/login/{service:[A-Za-z]+}/complete", api.AppHandlerIndependent(loginCompleteOAuth)).Methods("GET")
 
 	mainrouter.Handle("/{team:[A-Za-z0-9-]+(__)?[A-Za-z0-9-]+}/logout", api.AppHandler(logout)).Methods("GET")
 	mainrouter.Handle("/{team:[A-Za-z0-9-]+(__)?[A-Za-z0-9-]+}/reset_password", api.AppHandler(resetPassword)).Methods("GET")
-	// Bug in gorilla.mux pervents us from using regex here.
+	// Bug in gorilla.mux prevents us from using regex here.
 	mainrouter.Handle("/{team}/channels/{channelname}", api.UserRequired(getChannel)).Methods("GET")
 
 	// Anything added here must have an _ in it so it does not conflict with team names
@@ -67,7 +67,7 @@ func InitWeb() {
 	mainrouter.Handle("/signup_user_complete/", api.AppHandlerIndependent(signupUserComplete)).Methods("GET")
 	mainrouter.Handle("/signup_team_confirm/", api.AppHandlerIndependent(signupTeamConfirm)).Methods("GET")
 
-	// Bug in gorilla.mux pervents us from using regex here.
+	// Bug in gorilla.mux prevents us from using regex here.
 	mainrouter.Handle("/{team}/signup/{service}", api.AppHandler(signupWithOAuth)).Methods("GET")
 	mainrouter.Handle("/signup/{service:[A-Za-z]+}/complete", api.AppHandlerIndependent(signupCompleteOAuth)).Methods("GET")
 
@@ -532,6 +532,9 @@ func signupCompleteOAuth(c *api.Context, w http.ResponseWriter, r *http.Request)
 		if service == model.USER_AUTH_SERVICE_GITLAB {
 			glu := model.GitLabUserFromJson(body)
 			user = model.UserFromGitLabUser(glu)
+		} else if service == model.USER_AUTH_SERVICE_GOOGLE {
+			gu := model.GoogleUserFromJson(body)
+			user = model.UserFromGoogleUser(gu)
 		}
 
 		if user == nil {