From cbf231a67595feb36fccb68dc00b2bc7607fa882 Mon Sep 17 00:00:00 2001
From: renothing <261274+renothing@users.noreply.github.com>
Date: Sat, 27 Jul 2019 21:15:30 +0800
Subject: [PATCH] fix wrong email when use gitea as OAuth2 provider (#7640)

when you use gitea as OAuth2 provider, the /api/v1/user should return
user primary email as identifier, which is unique in OAuth2 clients.

this patch use convert.ToUser replace all u.APIFormat in api requests,
return primary email when caller is yourself or admin.
---
 models/user.go                       | 8 ++++----
 routers/api/v1/admin/user.go         | 7 +++----
 routers/api/v1/convert/convert.go    | 9 +++++++--
 routers/api/v1/org/member.go         | 3 ++-
 routers/api/v1/org/team.go           | 4 ++--
 routers/api/v1/repo/collaborators.go | 3 ++-
 routers/api/v1/repo/hook.go          | 4 ++--
 routers/api/v1/repo/star.go          | 3 ++-
 routers/api/v1/repo/subscriber.go    | 3 ++-
 routers/api/v1/user/follower.go      | 3 ++-
 routers/api/v1/user/key.go           | 4 ++--
 routers/api/v1/user/user.go          | 8 ++------
 12 files changed, 32 insertions(+), 27 deletions(-)

diff --git a/models/user.go b/models/user.go
index aa3e527cd..1f684a594 100644
--- a/models/user.go
+++ b/models/user.go
@@ -204,9 +204,9 @@ func (u *User) UpdateTheme(themeName string) error {
 	return UpdateUserCols(u, "theme")
 }
 
-// getEmail returns an noreply email, if the user has set to keep his
+// GetEmail returns an noreply email, if the user has set to keep his
 // email address private, otherwise the primary email address.
-func (u *User) getEmail() string {
+func (u *User) GetEmail() string {
 	if u.KeepEmailPrivate {
 		return fmt.Sprintf("%s@%s", u.LowerName, setting.Service.NoReplyAddress)
 	}
@@ -219,7 +219,7 @@ func (u *User) APIFormat() *api.User {
 		ID:        u.ID,
 		UserName:  u.Name,
 		FullName:  u.FullName,
-		Email:     u.getEmail(),
+		Email:     u.GetEmail(),
 		AvatarURL: u.AvatarLink(),
 		Language:  u.Language,
 		IsAdmin:   u.IsAdmin,
@@ -434,7 +434,7 @@ func (u *User) GetFollowing(page int) ([]*User, error) {
 func (u *User) NewGitSig() *git.Signature {
 	return &git.Signature{
 		Name:  u.GitName(),
-		Email: u.getEmail(),
+		Email: u.GetEmail(),
 		When:  time.Now(),
 	}
 }
diff --git a/routers/api/v1/admin/user.go b/routers/api/v1/admin/user.go
index 6dc3b0325..f4b694aa2 100644
--- a/routers/api/v1/admin/user.go
+++ b/routers/api/v1/admin/user.go
@@ -91,8 +91,7 @@ func CreateUser(ctx *context.APIContext, form api.CreateUserOption) {
 	if form.SendNotify && setting.MailService != nil {
 		models.SendRegisterNotifyMail(ctx.Context.Context, u)
 	}
-
-	ctx.JSON(201, u.APIFormat())
+	ctx.JSON(201, convert.ToUser(u, ctx.IsSigned, ctx.User.IsAdmin))
 }
 
 // EditUser api for modifying a user's information
@@ -181,7 +180,7 @@ func EditUser(ctx *context.APIContext, form api.EditUserOption) {
 	}
 	log.Trace("Account profile updated by admin (%s): %s", ctx.User.Name, u.Name)
 
-	ctx.JSON(200, u.APIFormat())
+	ctx.JSON(200, convert.ToUser(u, ctx.IsSigned, ctx.User.IsAdmin))
 }
 
 // DeleteUser api for deleting a user
@@ -326,7 +325,7 @@ func GetAllUsers(ctx *context.APIContext) {
 
 	results := make([]*api.User, len(users))
 	for i := range users {
-		results[i] = convert.ToUser(users[i], ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
+		results[i] = convert.ToUser(users[i], ctx.IsSigned, ctx.User.IsAdmin)
 	}
 
 	ctx.JSON(200, &results)
diff --git a/routers/api/v1/convert/convert.go b/routers/api/v1/convert/convert.go
index f1cb23de4..d2691f823 100644
--- a/routers/api/v1/convert/convert.go
+++ b/routers/api/v1/convert/convert.go
@@ -229,7 +229,7 @@ func ToTeam(team *models.Team) *api.Team {
 }
 
 // ToUser convert models.User to api.User
-func ToUser(user *models.User, signed, admin bool) *api.User {
+func ToUser(user *models.User, signed, authed bool) *api.User {
 	result := &api.User{
 		ID:        user.ID,
 		UserName:  user.Name,
@@ -239,7 +239,12 @@ func ToUser(user *models.User, signed, admin bool) *api.User {
 		LastLogin: user.LastLoginUnix.AsTime(),
 		Created:   user.CreatedUnix.AsTime(),
 	}
-	if signed && (!user.KeepEmailPrivate || admin) {
+	// hide primary email if API caller isn't user itself or an admin
+	if !signed {
+		result.Email = ""
+	} else if user.KeepEmailPrivate && !authed {
+		result.Email = user.GetEmail()
+	} else {
 		result.Email = user.Email
 	}
 	return result
diff --git a/routers/api/v1/org/member.go b/routers/api/v1/org/member.go
index ad60dfbda..4ada2d6ef 100644
--- a/routers/api/v1/org/member.go
+++ b/routers/api/v1/org/member.go
@@ -12,6 +12,7 @@ import (
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/routers/api/v1/convert"
 	"code.gitea.io/gitea/routers/api/v1/user"
 )
 
@@ -46,7 +47,7 @@ func listMembers(ctx *context.APIContext, publicOnly bool) {
 
 	apiMembers := make([]*api.User, len(members))
 	for i, member := range members {
-		apiMembers[i] = member.APIFormat()
+		apiMembers[i] = convert.ToUser(member, ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
 	}
 	ctx.JSON(200, apiMembers)
 }
diff --git a/routers/api/v1/org/team.go b/routers/api/v1/org/team.go
index 40b6e008b..59a000b67 100644
--- a/routers/api/v1/org/team.go
+++ b/routers/api/v1/org/team.go
@@ -257,7 +257,7 @@ func GetTeamMembers(ctx *context.APIContext) {
 	}
 	members := make([]*api.User, len(team.Members))
 	for i, member := range team.Members {
-		members[i] = member.APIFormat()
+		members[i] = convert.ToUser(member, ctx.IsSigned, ctx.User.IsAdmin)
 	}
 	ctx.JSON(200, members)
 }
@@ -288,7 +288,7 @@ func GetTeamMember(ctx *context.APIContext) {
 	if ctx.Written() {
 		return
 	}
-	ctx.JSON(200, u.APIFormat())
+	ctx.JSON(200, convert.ToUser(u, ctx.IsSigned, ctx.User.IsAdmin))
 }
 
 // AddTeamMember api for add a member to a team
diff --git a/routers/api/v1/repo/collaborators.go b/routers/api/v1/repo/collaborators.go
index 98daf2c9d..3ba03e054 100644
--- a/routers/api/v1/repo/collaborators.go
+++ b/routers/api/v1/repo/collaborators.go
@@ -12,6 +12,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 
 	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
 // ListCollaborators list a repository's collaborators
@@ -42,7 +43,7 @@ func ListCollaborators(ctx *context.APIContext) {
 	}
 	users := make([]*api.User, len(collaborators))
 	for i, collaborator := range collaborators {
-		users[i] = collaborator.APIFormat()
+		users[i] = convert.ToUser(collaborator.User, ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
 	}
 	ctx.JSON(200, users)
 }
diff --git a/routers/api/v1/repo/hook.go b/routers/api/v1/repo/hook.go
index b35a10ac3..5c7126256 100644
--- a/routers/api/v1/repo/hook.go
+++ b/routers/api/v1/repo/hook.go
@@ -130,8 +130,8 @@ func TestHook(ctx *context.APIContext) {
 			convert.ToCommit(ctx.Repo.Repository, ctx.Repo.Commit),
 		},
 		Repo:   ctx.Repo.Repository.APIFormat(models.AccessModeNone),
-		Pusher: ctx.User.APIFormat(),
-		Sender: ctx.User.APIFormat(),
+		Pusher: convert.ToUser(ctx.User, ctx.IsSigned, false),
+		Sender: convert.ToUser(ctx.User, ctx.IsSigned, false),
 	}); err != nil {
 		ctx.Error(500, "PrepareWebhook: ", err)
 		return
diff --git a/routers/api/v1/repo/star.go b/routers/api/v1/repo/star.go
index 046142252..1b2ef0b02 100644
--- a/routers/api/v1/repo/star.go
+++ b/routers/api/v1/repo/star.go
@@ -8,6 +8,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 
 	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
 // ListStargazers list a repository's stargazers
@@ -38,7 +39,7 @@ func ListStargazers(ctx *context.APIContext) {
 	}
 	users := make([]*api.User, len(stargazers))
 	for i, stargazer := range stargazers {
-		users[i] = stargazer.APIFormat()
+		users[i] = convert.ToUser(stargazer, ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
 	}
 	ctx.JSON(200, users)
 }
diff --git a/routers/api/v1/repo/subscriber.go b/routers/api/v1/repo/subscriber.go
index b7d329dc7..ec0ea6dad 100644
--- a/routers/api/v1/repo/subscriber.go
+++ b/routers/api/v1/repo/subscriber.go
@@ -8,6 +8,7 @@ import (
 	"code.gitea.io/gitea/modules/context"
 
 	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
 // ListSubscribers list a repo's subscribers (i.e. watchers)
@@ -38,7 +39,7 @@ func ListSubscribers(ctx *context.APIContext) {
 	}
 	users := make([]*api.User, len(subscribers))
 	for i, subscriber := range subscribers {
-		users[i] = subscriber.APIFormat()
+		users[i] = convert.ToUser(subscriber, ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
 	}
 	ctx.JSON(200, users)
 }
diff --git a/routers/api/v1/user/follower.go b/routers/api/v1/user/follower.go
index 453f73137..078f30af3 100644
--- a/routers/api/v1/user/follower.go
+++ b/routers/api/v1/user/follower.go
@@ -9,12 +9,13 @@ import (
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/routers/api/v1/convert"
 )
 
 func responseAPIUsers(ctx *context.APIContext, users []*models.User) {
 	apiUsers := make([]*api.User, len(users))
 	for i := range users {
-		apiUsers[i] = users[i].APIFormat()
+		apiUsers[i] = convert.ToUser(users[i], ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
 	}
 	ctx.JSON(200, &apiUsers)
 }
diff --git a/routers/api/v1/user/key.go b/routers/api/v1/user/key.go
index 286f9ae4c..e3d7aa4b3 100644
--- a/routers/api/v1/user/key.go
+++ b/routers/api/v1/user/key.go
@@ -22,13 +22,13 @@ func appendPrivateInformation(apiKey *api.PublicKey, key *models.PublicKey, defa
 		apiKey.KeyType = "user"
 
 		if defaultUser.ID == key.OwnerID {
-			apiKey.Owner = defaultUser.APIFormat()
+			apiKey.Owner = convert.ToUser(defaultUser, true, true)
 		} else {
 			user, err := models.GetUserByID(key.OwnerID)
 			if err != nil {
 				return apiKey, err
 			}
-			apiKey.Owner = user.APIFormat()
+			apiKey.Owner = convert.ToUser(user, true, true)
 		}
 	} else {
 		apiKey.KeyType = "unknown"
diff --git a/routers/api/v1/user/user.go b/routers/api/v1/user/user.go
index 8d05a6718..fc3b7a816 100644
--- a/routers/api/v1/user/user.go
+++ b/routers/api/v1/user/user.go
@@ -104,11 +104,7 @@ func GetInfo(ctx *context.APIContext) {
 		return
 	}
 
-	// Hide user e-mail when API caller isn't signed in.
-	if !ctx.IsSigned {
-		u.Email = ""
-	}
-	ctx.JSON(200, u.APIFormat())
+	ctx.JSON(200, convert.ToUser(u, ctx.IsSigned, ctx.User.ID == u.ID || ctx.User.IsAdmin))
 }
 
 // GetAuthenticatedUser get current user's information
@@ -121,7 +117,7 @@ func GetAuthenticatedUser(ctx *context.APIContext) {
 	// responses:
 	//   "200":
 	//     "$ref": "#/responses/User"
-	ctx.JSON(200, ctx.User.APIFormat())
+	ctx.JSON(200, convert.ToUser(ctx.User, ctx.IsSigned, ctx.User != nil))
 }
 
 // GetUserHeatmapData is the handler to get a users heatmap