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Diffstat (limited to 'vendor/github.com/42wim/matterbridge/matterhook')
| -rw-r--r-- | vendor/github.com/42wim/matterbridge/matterhook/LICENSE | 202 | ||||
| -rw-r--r-- | vendor/github.com/42wim/matterbridge/matterhook/matterhook.go | 154 |
2 files changed, 356 insertions, 0 deletions
diff --git a/vendor/github.com/42wim/matterbridge/matterhook/LICENSE b/vendor/github.com/42wim/matterbridge/matterhook/LICENSE new file mode 100644 index 00000000..8f71f43f --- /dev/null +++ b/vendor/github.com/42wim/matterbridge/matterhook/LICENSE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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(send to mattermost) +type OMessage struct { + Channel string `json:"channel,omitempty"` + IconURL string `json:"icon_url,omitempty"` + IconEmoji string `json:"icon_emoji,omitempty"` + UserName string `json:"username,omitempty"` + Text string `json:"text"` + Attachments interface{} `json:"attachments,omitempty"` + Type string `json:"type,omitempty"` +} + +// IMessage for mattermost outgoing webhook. (received from mattermost) +type IMessage struct { + Token string `schema:"token"` + TeamID string `schema:"team_id"` + TeamDomain string `schema:"team_domain"` + ChannelID string `schema:"channel_id"` + ServiceID string `schema:"service_id"` + ChannelName string `schema:"channel_name"` + Timestamp string `schema:"timestamp"` + UserID string `schema:"user_id"` + UserName string `schema:"user_name"` + Text string `schema:"text"` + TriggerWord string `schema:"trigger_word"` +} + +// Client for Mattermost. +type Client struct { + Url string // URL for incoming webhooks on mattermost. + In chan IMessage + Out chan OMessage + httpclient *http.Client + Config +} + +// Config for client. +type Config struct { + Port int // Port to listen on. + BindAddress string // Address to listen on + Token string // Only allow this token from Mattermost. (Allow everything when empty) + InsecureSkipVerify bool // disable certificate checking + DisableServer bool // Do not start server for outgoing webhooks from Mattermost. +} + +// New Mattermost client. +func New(url string, config Config) *Client { + c := &Client{Url: url, In: make(chan IMessage), Out: make(chan OMessage), Config: config} + if c.Port == 0 { + c.Port = 9999 + } + c.BindAddress += ":" + tr := &http.Transport{ + TLSClientConfig: &tls.Config{InsecureSkipVerify: config.InsecureSkipVerify}, + } + c.httpclient = &http.Client{Transport: tr} + if !c.DisableServer { + go c.StartServer() + } + return c +} + +// StartServer starts a webserver listening for incoming mattermost POSTS. +func (c *Client) StartServer() { + mux := http.NewServeMux() + mux.Handle("/", c) + log.Printf("Listening on http://%v:%v...\n", c.BindAddress, c.Port) + if err := http.ListenAndServe((c.BindAddress + strconv.Itoa(c.Port)), mux); err != nil { + log.Fatal(err) + } +} + +// ServeHTTP implementation. +func (c *Client) ServeHTTP(w http.ResponseWriter, r *http.Request) { + if r.Method != "POST" { + log.Println("invalid " + r.Method + " connection from " + r.RemoteAddr) + http.NotFound(w, r) + return + } + msg := IMessage{} + err := r.ParseForm() + if err != nil { + log.Println(err) + http.NotFound(w, r) + return + } + defer r.Body.Close() + decoder := schema.NewDecoder() + err = decoder.Decode(&msg, r.PostForm) + if err != nil { + log.Println(err) + http.NotFound(w, r) + return + } + if msg.Token == "" { + log.Println("no token from " + r.RemoteAddr) + http.NotFound(w, r) + return + } + if c.Token != "" { + if msg.Token != c.Token { + log.Println("invalid token " + msg.Token + " from " + r.RemoteAddr) + http.NotFound(w, r) + return + } + } + c.In <- msg +} + +// Receive returns an incoming message from mattermost outgoing webhooks URL. +func (c *Client) Receive() IMessage { + for { + select { + case msg := <-c.In: + return msg + } + } +} + +// Send sends a msg to mattermost incoming webhooks URL. +func (c *Client) Send(msg OMessage) error { + buf, err := json.Marshal(msg) + if err != nil { + return err + } + resp, err := c.httpclient.Post(c.Url, "application/json", bytes.NewReader(buf)) + if err != nil { + return err + } + defer resp.Body.Close() + + // Read entire body to completion to re-use keep-alive connections. + io.Copy(ioutil.Discard, resp.Body) + + if resp.StatusCode != 200 { + return fmt.Errorf("unexpected status code: %d", resp.StatusCode) + } + return nil +} |