mattermost-community-enterp.../channels/app/slashcommands/command_invite.go
Claude ec1f89217a Merge: Complete Mattermost Server with Community Enterprise
Full Mattermost server source with integrated Community Enterprise features.
Includes vendor directory for offline/air-gapped builds.

Structure:
- enterprise-impl/: Enterprise feature implementations
- enterprise-community/: Init files that register implementations
- enterprise/: Bridge imports (community_imports.go)
- vendor/: All dependencies for offline builds

Build (online):
  go build ./cmd/mattermost

Build (offline/air-gapped):
  go build -mod=vendor ./cmd/mattermost

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-17 23:59:07 +09:00

321 lines
9.6 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package slashcommands
import (
"strings"
"github.com/mattermost/mattermost/server/public/model"
"github.com/mattermost/mattermost/server/public/shared/i18n"
"github.com/mattermost/mattermost/server/public/shared/mlog"
"github.com/mattermost/mattermost/server/public/shared/request"
"github.com/mattermost/mattermost/server/v8/channels/app"
)
type InviteProvider struct {
}
const (
CmdInvite = "invite"
)
type UserError int64
const (
NoError UserError = iota
UserInChannel
UserNotInTeam
IsConstrained
Unknown
)
func init() {
app.RegisterCommandProvider(&InviteProvider{})
}
func (*InviteProvider) GetTrigger() string {
return CmdInvite
}
func (*InviteProvider) GetCommand(a *app.App, T i18n.TranslateFunc) *model.Command {
return &model.Command{
Trigger: CmdInvite,
AutoComplete: true,
AutoCompleteDesc: T("api.command_invite.desc"),
AutoCompleteHint: T("api.command_invite.hint"),
DisplayName: T("api.command_invite.name"),
}
}
func (i *InviteProvider) DoCommand(a *app.App, rctx request.CTX, args *model.CommandArgs, message string) *model.CommandResponse {
return &model.CommandResponse{
Text: i.doCommand(a, rctx, args, message),
ResponseType: model.CommandResponseTypeEphemeral,
}
}
func (i *InviteProvider) doCommand(a *app.App, rctx request.CTX, args *model.CommandArgs, message string) string {
if message == "" {
return args.T("api.command_invite.missing_message.app_error")
}
resps := &[]string{}
targetUsers, targetChannels, resp := i.parseMessage(a, rctx, args, resps, message)
if resp != "" {
return resp
}
// Verify that the inviter has permissions to invite users to the every channel.
targetChannels = i.checkPermissions(a, rctx, args, resps, targetUsers[0], targetChannels)
// track errors returned for various users.
differentChannels := make(map[string][]string)
nonTeamUsers := make(map[string][]string)
channelConstrained := make([]string, 0, 1)
usersInChannel := make([]string, 0, 1)
errorUsers := make([]string, 0, 1)
for _, targetChannel := range targetChannels {
var targetTeamDisplay string
for _, targetUser := range targetUsers {
userError := i.addUserToChannel(a, rctx, args, targetUser, targetChannel)
if userError == NoError {
if args.ChannelId != targetChannel.Id {
differentChannels[targetChannel.Name] = append(differentChannels[targetChannel.Name], targetUser.Username)
}
} else if userError == UserNotInTeam {
if targetTeamDisplay == "" {
targetTeam, err := a.GetTeam(targetChannel.TeamId)
if err != nil {
targetTeamDisplay = "unknown"
} else {
targetTeamDisplay = targetTeam.DisplayName
}
}
nonTeamUsers[targetTeamDisplay] = append(nonTeamUsers[targetTeamDisplay], targetUser.Username)
} else if userError == IsConstrained {
channelConstrained = append(channelConstrained, targetUser.Username)
} else if userError == UserInChannel {
usersInChannel = append(usersInChannel, targetUser.Username)
} else {
errorUsers = append(errorUsers, targetUser.Username)
}
}
}
if len(usersInChannel) > 0 {
if len(usersInChannel) > 10 {
*resps = append(*resps,
args.T("api.command_invite.user_already_in_channel.overflow", map[string]any{
"FirstUser": "@" + usersInChannel[0],
"Others": len(usersInChannel) - 1,
}),
)
} else {
usersString := map[string]any{
"User": "@" + strings.Join(usersInChannel, ", @"),
}
*resps = append(*resps,
args.T("api.command_invite.user_already_in_channel.app_error", len(usersInChannel), usersString),
)
}
}
if len(differentChannels) > 0 {
for k, v := range differentChannels {
if len(v) > 10 {
*resps = append(*resps,
args.T("api.command_invite.successOverflow", map[string]any{
"FirstUser": "@" + v[0],
"Others": len(v) - 1,
"Channel": k,
}),
)
} else {
usersString := map[string]any{
"User": "@" + strings.Join(v, ", @"),
"Channel": k,
}
*resps = append(*resps,
args.T("api.command_invite.success", usersString),
)
}
}
}
if len(nonTeamUsers) > 0 {
for k, v := range nonTeamUsers {
if len(v) > 10 {
*resps = append(*resps,
args.T("api.command_invite.user_not_in_team.messageOverflow", map[string]any{
"FirstUser": "@" + v[0],
"Others": len(v) - 1,
"Team": k,
}),
)
} else {
usersString := map[string]any{
"Users": "@" + strings.Join(v, ", @"),
"Team": k,
}
*resps = append(*resps,
args.T("api.command_invite.user_not_in_team.app_error", usersString),
)
}
}
}
if len(channelConstrained) > 0 {
*resps = append(*resps,
args.T("api.command_invite.channel_constrained_user_denied"),
)
}
if len(errorUsers) > 0 {
*resps = append(*resps,
args.T("api.command_invite.fail.app_error"),
)
}
if len(*resps) > 0 {
return strings.Join(*resps, "\n")
}
return ""
}
func (i *InviteProvider) getUsersFromMentionName(a *app.App, mentionName string) ([]*model.User, *model.Group) {
userProfile, err := a.Srv().Store().User().GetByUsername(mentionName)
if err == nil && userProfile.DeleteAt == 0 {
return []*model.User{userProfile}, nil
}
group, appErr := a.GetGroupByName(mentionName, model.GroupSearchOpts{FilterAllowReference: true})
if appErr != nil || group == nil {
return nil, nil
}
members, appErr := a.GetGroupMemberUsers(group.Id)
if appErr != nil {
return nil, nil
}
return members, group
}
func (i *InviteProvider) parseMessage(a *app.App, rctx request.CTX, args *model.CommandArgs, resps *[]string, message string) ([]*model.User, []*model.Channel, string) {
splitMessage := strings.Split(message, " ")
targetUsers := make([]*model.User, 0, 1)
targetChannels := make([]*model.Channel, 0)
for j, msg := range splitMessage {
if msg == "" {
continue
}
if msg[0] == '@' || (msg[0] != '~' && j == 0) {
targetMentionName := strings.TrimPrefix(msg, "@")
users, _ := i.getUsersFromMentionName(a, targetMentionName)
if len(users) == 0 {
*resps = append(*resps, args.T("api.command_invite.missing_user.app_error", map[string]any{
"User": targetMentionName,
}))
continue
}
targetUsers = append(targetUsers, users...)
} else {
targetChannelName := strings.TrimPrefix(msg, "~")
channelToJoin, err := a.GetChannelByName(rctx, targetChannelName, args.TeamId, false)
if err != nil {
*resps = append(*resps, args.T("api.command_invite.channel.error", map[string]any{
"Channel": targetChannelName,
}))
continue
}
targetChannels = append(targetChannels, channelToJoin)
}
}
if len(targetUsers) == 0 {
if len(*resps) != 0 {
return nil, nil, strings.Join(*resps, "\n")
}
return nil, nil, args.T("api.command_invite.missing_message.app_error")
}
if len(targetChannels) == 0 {
if len(*resps) != 0 {
return nil, nil, strings.Join(*resps, "\n")
}
channelToJoin, err := a.GetChannel(rctx, args.ChannelId)
if err != nil {
return nil, nil, args.T("api.command_invite.channel.app_error")
}
targetChannels = append(targetChannels, channelToJoin)
}
return targetUsers, targetChannels, ""
}
func (i *InviteProvider) checkPermissions(a *app.App, rctx request.CTX, args *model.CommandArgs, resps *[]string, targetUser *model.User, targetChannels []*model.Channel) []*model.Channel {
var err *model.AppError
validChannels := make([]*model.Channel, 0, len(targetChannels))
for _, targetChannel := range targetChannels {
switch targetChannel.Type {
case model.ChannelTypeOpen:
if !a.HasPermissionToChannel(rctx, args.UserId, targetChannel.Id, model.PermissionManagePublicChannelMembers) {
*resps = append(*resps, args.T("api.command_invite.permission.app_error", map[string]any{
"User": targetUser.Username,
"Channel": targetChannel.Name,
}))
continue
}
case model.ChannelTypePrivate:
if !a.HasPermissionToChannel(rctx, args.UserId, targetChannel.Id, model.PermissionManagePrivateChannelMembers) {
if _, err = a.GetChannelMember(rctx, targetChannel.Id, args.UserId); err == nil {
// User doing the inviting is a member of the channel.
*resps = append(*resps, args.T("api.command_invite.permission.app_error", map[string]any{
"User": targetUser.Username,
"Channel": targetChannel.Name,
}))
continue
}
// User doing the inviting is *not* a member of the channel.
*resps = append(*resps, args.T("api.command_invite.private_channel.app_error", map[string]any{
"Channel": targetChannel.Name,
}))
continue
}
default:
*resps = append(*resps, args.T("api.command_invite.directchannel.app_error"))
continue
}
validChannels = append(validChannels, targetChannel)
}
return validChannels
}
func (i *InviteProvider) addUserToChannel(a *app.App, rctx request.CTX, args *model.CommandArgs, userProfile *model.User, channelToJoin *model.Channel) UserError {
// Check if user is already in the channel
_, err := a.GetChannelMember(rctx, channelToJoin.Id, userProfile.Id)
if err == nil {
return UserInChannel
}
if _, err = a.AddChannelMember(rctx, userProfile.Id, channelToJoin, app.ChannelMemberOpts{UserRequestorID: args.UserId}); err != nil {
if err.Id == "api.channel.add_members.user_denied" {
return IsConstrained
} else if err.Id == "app.team.get_member.missing.app_error" ||
err.Id == "api.channel.add_user.to.channel.failed.deleted.app_error" {
return UserNotInTeam
}
rctx.Logger().Warn("addUserToChannel had unexpected error.", mlog.String("UserId", userProfile.Id), mlog.Err(err))
return Unknown
}
return NoError
}