| 1 | package bmattermost |
| 2 | |
| 3 | import ( |
| 4 | "net/http" |
| 5 | "strings" |
| 6 | |
| 7 | "github.com/matterbridge-org/matterbridge/bridge/config" |
| 8 | "github.com/matterbridge-org/matterbridge/bridge/helper" |
| 9 | "github.com/matterbridge-org/matterbridge/matterhook" |
| 10 | "github.com/matterbridge/matterclient" |
| 11 | "github.com/mattermost/mattermost/server/public/model" |
| 12 | ) |
| 13 | |
| 14 | func (b *Bmattermost) doConnectWebhookBind() error { |
| 15 | switch { |
| 16 | case b.GetString("WebhookURL") != "": |
| 17 | b.Log.Info("Connecting using webhookurl (sending) and webhookbindaddress (receiving)") |
| 18 | b.mh = matterhook.New(b.GetString("WebhookURL"), |
| 19 | matterhook.Config{ |
| 20 | InsecureSkipVerify: b.GetBool("SkipTLSVerify"), |
| 21 | BindAddress: b.GetString("WebhookBindAddress"), |
| 22 | }) |
| 23 | case b.GetString("Token") != "": |
| 24 | b.Log.Info("Connecting using token (sending)") |
| 25 | err := b.apiLogin() |
| 26 | if err != nil { |
| 27 | return err |
| 28 | } |
| 29 | case b.GetString("Login") != "": |
| 30 | b.Log.Info("Connecting using login/password (sending)") |
| 31 | err := b.apiLogin() |
| 32 | if err != nil { |
| 33 | return err |
| 34 | } |
| 35 | default: |
| 36 | b.Log.Info("Connecting using webhookbindaddress (receiving)") |
| 37 | b.mh = matterhook.New(b.GetString("WebhookURL"), |
| 38 | matterhook.Config{ |
| 39 | InsecureSkipVerify: b.GetBool("SkipTLSVerify"), |
| 40 | BindAddress: b.GetString("WebhookBindAddress"), |
| 41 | }) |
| 42 | } |
| 43 | return nil |
| 44 | } |
| 45 | |
| 46 | func (b *Bmattermost) doConnectWebhookURL() error { |
| 47 | b.Log.Info("Connecting using webhookurl (sending)") |
| 48 | b.mh = matterhook.New(b.GetString("WebhookURL"), |
| 49 | matterhook.Config{ |
| 50 | InsecureSkipVerify: b.GetBool("SkipTLSVerify"), |
| 51 | DisableServer: true, |
| 52 | }) |
| 53 | if b.GetString("Token") != "" { |
| 54 | b.Log.Info("Connecting using token (receiving)") |
| 55 | err := b.apiLogin() |
| 56 | if err != nil { |
| 57 | return err |
| 58 | } |
| 59 | } else if b.GetString("Login") != "" { |
| 60 | b.Log.Info("Connecting using login/password (receiving)") |
| 61 | err := b.apiLogin() |
| 62 | if err != nil { |
| 63 | return err |
| 64 | } |
| 65 | } |
| 66 | return nil |
| 67 | } |
| 68 | |
| 69 | //nolint:wrapcheck |
| 70 | func (b *Bmattermost) apiLogin() error { |
| 71 | password := b.GetString("Password") |
| 72 | if b.GetString("Token") != "" { |
| 73 | password = "token=" + b.GetString("Token") |
| 74 | } |
| 75 | |
| 76 | b.mc = matterclient.New(b.GetString("Login"), password, b.GetString("Team"), b.GetString("Server"), "") |
| 77 | if b.GetBool("debug") { |
| 78 | b.mc.SetLogLevel("debug") |
| 79 | } |
| 80 | b.mc.SkipTLSVerify = b.GetBool("SkipTLSVerify") |
| 81 | b.mc.SkipVersionCheck = b.GetBool("SkipVersionCheck") |
| 82 | b.mc.NoTLS = b.GetBool("NoTLS") |
| 83 | b.Log.Infof("Connecting %s (team: %s) on %s", b.GetString("Login"), b.GetString("Team"), b.GetString("Server")) |
| 84 | |
| 85 | if err := b.mc.Login(); err != nil { |
| 86 | return err |
| 87 | } |
| 88 | |
| 89 | b.Log.Info("Connection succeeded") |
| 90 | b.TeamID = b.mc.GetTeamID() |
| 91 | return nil |
| 92 | } |
| 93 | |
| 94 | // replaceAction replace the message with the correct action (/me) code |
| 95 | func (b *Bmattermost) replaceAction(text string) (string, bool) { |
| 96 | if strings.HasPrefix(text, "*") && strings.HasSuffix(text, "*") { |
| 97 | return strings.ReplaceAll(text, "*", ""), true |
| 98 | } |
| 99 | return text, false |
| 100 | } |
| 101 | |
| 102 | func (b *Bmattermost) cacheAvatar(msg *config.Message) (string, error) { |
| 103 | fi := msg.Extra["file"][0].(config.FileInfo) |
| 104 | /* if we have a sha we have successfully uploaded the file to the media server, |
| 105 | so we can now cache the sha */ |
| 106 | if fi.SHA != "" { |
| 107 | b.Log.Debugf("Added %s to %s in avatarMap", fi.SHA, msg.UserID) |
| 108 | b.avatarMap[msg.UserID] = fi.SHA |
| 109 | } |
| 110 | return "", nil |
| 111 | } |
| 112 | |
| 113 | // sendWebhook uses the configured WebhookURL to send the message |
| 114 | func (b *Bmattermost) sendWebhook(msg config.Message) (string, error) { |
| 115 | // skip events |
| 116 | if msg.Event != "" { |
| 117 | return "", nil |
| 118 | } |
| 119 | |
| 120 | if b.GetBool("PrefixMessagesWithNick") { |
| 121 | msg.Text = msg.Username + msg.Text |
| 122 | } |
| 123 | |
| 124 | if msg.Extra != nil { |
| 125 | // this sends a message only if we received a config.EVENT_FILE_FAILURE_SIZE |
| 126 | for _, rmsg := range helper.HandleExtra(&msg, b.General) { |
| 127 | rmsg := rmsg // scopelint |
| 128 | iconURL := config.GetIconURL(&rmsg, b.GetString("iconurl")) |
| 129 | matterMessage := matterhook.OMessage{ |
| 130 | IconURL: iconURL, |
| 131 | Channel: rmsg.Channel, |
| 132 | UserName: rmsg.Username, |
| 133 | Text: rmsg.Text, |
| 134 | Props: make(map[string]interface{}), |
| 135 | } |
| 136 | matterMessage.Props["matterbridge_"+b.uuid] = true |
| 137 | if err := b.mh.Send(matterMessage); err != nil { |
| 138 | b.Log.Errorf("sendWebhook failed: %s ", err) |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | // webhook doesn't support file uploads, so we add the url manually |
| 143 | if len(msg.Extra["file"]) > 0 { |
| 144 | for _, f := range msg.Extra["file"] { |
| 145 | fi := f.(config.FileInfo) |
| 146 | if fi.URL != "" { |
| 147 | msg.Text += " " + fi.URL |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | iconURL := config.GetIconURL(&msg, b.GetString("iconurl")) |
| 154 | matterMessage := matterhook.OMessage{ |
| 155 | IconURL: iconURL, |
| 156 | Channel: msg.Channel, |
| 157 | UserName: msg.Username, |
| 158 | Text: msg.Text, |
| 159 | Props: make(map[string]interface{}), |
| 160 | } |
| 161 | if msg.Avatar != "" { |
| 162 | matterMessage.IconURL = msg.Avatar |
| 163 | } |
| 164 | matterMessage.Props["matterbridge_"+b.uuid] = true |
| 165 | err := b.mh.Send(matterMessage) |
| 166 | if err != nil { |
| 167 | b.Log.Info(err) |
| 168 | return "", err |
| 169 | } |
| 170 | return "", nil |
| 171 | } |
| 172 | |
| 173 | // skipMessages returns true if this message should not be handled |
| 174 | // |
| 175 | //nolint:gocyclo,cyclop |
| 176 | func (b *Bmattermost) skipMessage(message *matterclient.Message) bool { |
| 177 | // Handle join/leave |
| 178 | skipJoinMessageTypes := map[string]struct{}{ |
| 179 | "system_join_leave": {}, // deprecated for system_add_to_channel |
| 180 | "system_leave_channel": {}, // deprecated for system_remove_from_channel |
| 181 | "system_join_channel": {}, |
| 182 | "system_add_to_channel": {}, |
| 183 | "system_remove_from_channel": {}, |
| 184 | "system_add_to_team": {}, |
| 185 | "system_remove_from_team": {}, |
| 186 | } |
| 187 | |
| 188 | // dirty hack to efficiently check if this element is in the map without writing a contains func |
| 189 | // can be replaced with native slice.contains with go 1.21 |
| 190 | if _, ok := skipJoinMessageTypes[message.Type]; ok { |
| 191 | if b.GetBool("nosendjoinpart") { |
| 192 | return true |
| 193 | } |
| 194 | |
| 195 | channelName := b.getChannelName(message.Post.ChannelId) |
| 196 | if channelName == "" { |
| 197 | channelName = message.Channel |
| 198 | } |
| 199 | |
| 200 | b.Log.Debugf("Sending JOIN_LEAVE event from %s to gateway", b.Account) |
| 201 | b.Remote <- config.Message{ |
| 202 | Username: "system", |
| 203 | Text: message.Text, |
| 204 | Channel: channelName, |
| 205 | Account: b.Account, |
| 206 | Event: config.EventJoinLeave, |
| 207 | } |
| 208 | return true |
| 209 | } |
| 210 | |
| 211 | // Handle edited messages |
| 212 | if (message.Raw.EventType() == model.WebsocketEventPostEdited) && b.GetBool("EditDisable") { |
| 213 | return true |
| 214 | } |
| 215 | |
| 216 | // Ignore non-post messages |
| 217 | if message.Post == nil { |
| 218 | b.Log.Debugf("ignoring nil message.Post: %#v", message) |
| 219 | return true |
| 220 | } |
| 221 | |
| 222 | // Ignore messages sent from matterbridge |
| 223 | if message.Post.Props != nil { |
| 224 | if _, ok := message.Post.Props["matterbridge_"+b.uuid].(bool); ok { |
| 225 | b.Log.Debug("sent by matterbridge, ignoring") |
| 226 | return true |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | // Ignore messages sent from a user logged in as the bot |
| 231 | if b.mc.User.Username == message.Username { |
| 232 | b.Log.Debug("message from same user as bot, ignoring") |
| 233 | return true |
| 234 | } |
| 235 | |
| 236 | // if the message has reactions don't repost it (for now, until we can correlate reaction with message) |
| 237 | if message.Post.HasReactions { |
| 238 | return true |
| 239 | } |
| 240 | |
| 241 | // ignore messages from other teams than ours |
| 242 | if message.Raw.GetData()["team_id"].(string) != b.TeamID { |
| 243 | b.Log.Debug("message from other team, ignoring") |
| 244 | return true |
| 245 | } |
| 246 | |
| 247 | // only handle posted, edited or deleted events |
| 248 | if !(message.Raw.EventType() == "posted" || message.Raw.EventType() == model.WebsocketEventPostEdited || |
| 249 | message.Raw.EventType() == model.WebsocketEventPostDeleted) { |
| 250 | return true |
| 251 | } |
| 252 | return false |
| 253 | } |
| 254 | |
| 255 | func (b *Bmattermost) getVersion() string { |
| 256 | proto := "https" |
| 257 | |
| 258 | if b.GetBool("notls") { |
| 259 | proto = "http" |
| 260 | } |
| 261 | |
| 262 | resp, err := http.Get(proto + "://" + b.GetString("server")) |
| 263 | if err != nil { |
| 264 | b.Log.Error("failed getting version") |
| 265 | return "" |
| 266 | } |
| 267 | |
| 268 | defer resp.Body.Close() |
| 269 | |
| 270 | return resp.Header.Get("X-Version-Id") |
| 271 | } |
| 272 | |
| 273 | func (b *Bmattermost) getChannelID(name string) string { |
| 274 | idcheck := strings.Split(name, "ID:") |
| 275 | if len(idcheck) > 1 { |
| 276 | return idcheck[1] |
| 277 | } |
| 278 | |
| 279 | return b.mc.GetChannelID(name, b.TeamID) |
| 280 | } |
| 281 | |
| 282 | func (b *Bmattermost) getChannelName(id string) string { |
| 283 | b.channelsMutex.RLock() |
| 284 | defer b.channelsMutex.RUnlock() |
| 285 | |
| 286 | for _, c := range b.channelInfoMap { |
| 287 | if c.Name == "ID:"+id { |
| 288 | // if we have ID: specified in our gateway configuration return this |
| 289 | return c.Name |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | return "" |
| 294 | } |
| 295 | |
