Fixing permissions checks where related to join public channels (#10511)

* Fixing permissions checks where related to join public channels

* Addressing PR review comments

* Fixing bug

* Adding new tests

* Addressing PR review comments
Этот коммит содержится в:
Jesús Espino
2019-04-08 11:10:16 +02:00
коммит произвёл GitHub
родитель 9b73d34eaa
Коммит 9fa6b093f3
2 изменённых файлов: 115 добавлений и 14 удалений

Просмотреть файл

@@ -8,6 +8,7 @@ import (
"github.com/mattermost/mattermost-server/mlog"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/store"
)
func (api *API) InitChannel() {
@@ -411,7 +412,7 @@ func getChannel(c *Context, w http.ResponseWriter, r *http.Request) {
}
if channel.Type == model.CHANNEL_OPEN {
if !c.App.SessionHasPermissionToTeam(c.App.Session, channel.TeamId, model.PERMISSION_READ_PUBLIC_CHANNEL) {
if !c.App.SessionHasPermissionToTeam(c.App.Session, channel.TeamId, model.PERMISSION_READ_PUBLIC_CHANNEL) && !c.App.SessionHasPermissionToChannel(c.App.Session, c.Params.ChannelId, model.PERMISSION_READ_CHANNEL) {
c.SetPermissionError(model.PERMISSION_READ_PUBLIC_CHANNEL)
return
}
@@ -800,7 +801,7 @@ func getChannelByName(c *Context, w http.ResponseWriter, r *http.Request) {
}
if channel.Type == model.CHANNEL_OPEN {
if !c.App.SessionHasPermissionToTeam(c.App.Session, channel.TeamId, model.PERMISSION_READ_PUBLIC_CHANNEL) {
if !c.App.SessionHasPermissionToTeam(c.App.Session, channel.TeamId, model.PERMISSION_READ_PUBLIC_CHANNEL) && !c.App.SessionHasPermissionToChannel(c.App.Session, channel.Id, model.PERMISSION_READ_CHANNEL) {
c.SetPermissionError(model.PERMISSION_READ_PUBLIC_CHANNEL)
return
}
@@ -1124,14 +1125,32 @@ func addChannelMember(c *Context, w http.ResponseWriter, r *http.Request) {
return
}
// Check join permission if adding yourself, otherwise check manage permission
if channel.Type == model.CHANNEL_DIRECT || channel.Type == model.CHANNEL_GROUP {
c.Err = model.NewAppError("addUserToChannel", "api.channel.add_user_to_channel.type.app_error", nil, "", http.StatusBadRequest)
return
}
isNewMembership := false
if _, err = c.App.GetChannelMember(member.ChannelId, member.UserId); err != nil {
if err.Id == store.MISSING_CHANNEL_MEMBER_ERROR {
isNewMembership = true
} else {
c.Err = err
return
}
}
isSelfAdd := member.UserId == c.App.Session.UserId
if channel.Type == model.CHANNEL_OPEN {
if member.UserId == c.App.Session.UserId {
if !c.App.SessionHasPermissionToChannel(c.App.Session, channel.Id, model.PERMISSION_JOIN_PUBLIC_CHANNELS) {
if isSelfAdd && isNewMembership {
if !c.App.SessionHasPermissionToTeam(c.App.Session, channel.TeamId, model.PERMISSION_JOIN_PUBLIC_CHANNELS) {
c.SetPermissionError(model.PERMISSION_JOIN_PUBLIC_CHANNELS)
return
}
} else {
} else if isSelfAdd && !isNewMembership {
// nothing to do, since already in the channel
} else if !isSelfAdd {
if !c.App.SessionHasPermissionToChannel(c.App.Session, channel.Id, model.PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS) {
c.SetPermissionError(model.PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS)
return
@@ -1139,14 +1158,20 @@ func addChannelMember(c *Context, w http.ResponseWriter, r *http.Request) {
}
}
if channel.Type == model.CHANNEL_PRIVATE && !c.App.SessionHasPermissionToChannel(c.App.Session, channel.Id, model.PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS) {
c.SetPermissionError(model.PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS)
return
}
if channel.Type == model.CHANNEL_DIRECT || channel.Type == model.CHANNEL_GROUP {
c.Err = model.NewAppError("addUserToChannel", "api.channel.add_user_to_channel.type.app_error", nil, "", http.StatusBadRequest)
return
if channel.Type == model.CHANNEL_PRIVATE {
if isSelfAdd && isNewMembership {
if !c.App.SessionHasPermissionToChannel(c.App.Session, channel.Id, model.PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS) {
c.SetPermissionError(model.PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS)
return
}
} else if isSelfAdd && !isNewMembership {
// nothing to do, since already in the channel
} else if !isSelfAdd {
if !c.App.SessionHasPermissionToChannel(c.App.Session, channel.Id, model.PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS) {
c.SetPermissionError(model.PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS)
return
}
}
}
cm, err := c.App.AddChannelMember(member.UserId, channel, c.App.Session.UserId, postRootId, c.App.Session.Id)

Просмотреть файл

@@ -2023,6 +2023,82 @@ func TestAddChannelMember(t *testing.T) {
Client.Logout()
}
func TestAddChannelMemberAddMyself(t *testing.T) {
th := Setup().InitBasic()
defer th.TearDown()
Client := th.Client
user := th.CreateUser()
th.LinkUserToTeam(user, th.BasicTeam)
notMemberPublicChannel1 := th.CreatePublicChannel()
notMemberPublicChannel2 := th.CreatePublicChannel()
notMemberPrivateChannel := th.CreatePrivateChannel()
memberPublicChannel := th.CreatePublicChannel()
memberPrivateChannel := th.CreatePrivateChannel()
th.AddUserToChannel(user, memberPublicChannel)
th.AddUserToChannel(user, memberPrivateChannel)
testCases := []struct {
Name string
Channel *model.Channel
WithJoinPublicPermission bool
ExpectedError string
}{
{
"Add myself to a public channel with JOIN_PUBLIC_CHANNEL permission",
notMemberPublicChannel1,
true,
"",
},
{
"Try to add myself to a private channel with the JOIN_PUBLIC_CHANNEL permission",
notMemberPrivateChannel,
true,
"api.context.permissions.app_error",
},
{
"Try to add myself to a public channel without the JOIN_PUBLIC_CHANNEL permission",
notMemberPublicChannel2,
false,
"api.context.permissions.app_error",
},
{
"Add myself a public channel where I'm already a member, not having JOIN_PUBLIC_CHANNEL or MANAGE MEMBERS permission",
memberPublicChannel,
false,
"",
},
{
"Add myself a private channel where I'm already a member, not having JOIN_PUBLIC_CHANNEL or MANAGE MEMBERS permission",
memberPrivateChannel,
false,
"",
},
}
Client.Login(user.Email, user.Password)
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
// Check the appropriate permissions are enforced.
defaultRolePermissions := th.SaveDefaultRolePermissions()
defer func() {
th.RestoreDefaultRolePermissions(defaultRolePermissions)
}()
if !tc.WithJoinPublicPermission {
th.RemovePermissionFromRole(model.PERMISSION_JOIN_PUBLIC_CHANNELS.Id, model.TEAM_USER_ROLE_ID)
}
_, resp := Client.AddChannelMember(tc.Channel.Id, user.Id)
if tc.ExpectedError == "" {
CheckNoError(t, resp)
} else {
CheckErrorMessage(t, resp, tc.ExpectedError)
}
})
}
}
func TestRemoveChannelMember(t *testing.T) {
th := Setup().InitBasic()
user1 := th.BasicUser