diff options
Diffstat (limited to 'vendor/github.com/mattermost/mattermost-server/model/incoming_webhook.go')
-rw-r--r-- | vendor/github.com/mattermost/mattermost-server/model/incoming_webhook.go | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/vendor/github.com/mattermost/mattermost-server/model/incoming_webhook.go b/vendor/github.com/mattermost/mattermost-server/model/incoming_webhook.go deleted file mode 100644 index b38cfeec..00000000 --- a/vendor/github.com/mattermost/mattermost-server/model/incoming_webhook.go +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved. -// See License.txt for license information. - -package model - -import ( - "bytes" - "encoding/json" - "io" - "net/http" - "regexp" -) - -const ( - DEFAULT_WEBHOOK_USERNAME = "webhook" -) - -type IncomingWebhook struct { - Id string `json:"id"` - CreateAt int64 `json:"create_at"` - UpdateAt int64 `json:"update_at"` - DeleteAt int64 `json:"delete_at"` - UserId string `json:"user_id"` - ChannelId string `json:"channel_id"` - TeamId string `json:"team_id"` - DisplayName string `json:"display_name"` - Description string `json:"description"` - Username string `json:"username"` - IconURL string `json:"icon_url"` -} - -type IncomingWebhookRequest struct { - Text string `json:"text"` - Username string `json:"username"` - IconURL string `json:"icon_url"` - ChannelName string `json:"channel"` - Props StringInterface `json:"props"` - Attachments []*SlackAttachment `json:"attachments"` - Type string `json:"type"` -} - -func (o *IncomingWebhook) ToJson() string { - b, _ := json.Marshal(o) - return string(b) -} - -func IncomingWebhookFromJson(data io.Reader) *IncomingWebhook { - var o *IncomingWebhook - json.NewDecoder(data).Decode(&o) - return o -} - -func IncomingWebhookListToJson(l []*IncomingWebhook) string { - b, _ := json.Marshal(l) - return string(b) -} - -func IncomingWebhookListFromJson(data io.Reader) []*IncomingWebhook { - var o []*IncomingWebhook - json.NewDecoder(data).Decode(&o) - return o -} - -func (o *IncomingWebhook) IsValid() *AppError { - - if len(o.Id) != 26 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.id.app_error", nil, "", http.StatusBadRequest) - - } - - if o.CreateAt == 0 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest) - } - - if o.UpdateAt == 0 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest) - } - - if len(o.UserId) != 26 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.user_id.app_error", nil, "", http.StatusBadRequest) - } - - if len(o.ChannelId) != 26 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.channel_id.app_error", nil, "", http.StatusBadRequest) - } - - if len(o.TeamId) != 26 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.team_id.app_error", nil, "", http.StatusBadRequest) - } - - if len(o.DisplayName) > 64 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.display_name.app_error", nil, "", http.StatusBadRequest) - } - - if len(o.Description) > 128 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.description.app_error", nil, "", http.StatusBadRequest) - } - - if len(o.Username) > 64 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.username.app_error", nil, "", http.StatusBadRequest) - } - - if len(o.IconURL) > 1024 { - return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.icon_url.app_error", nil, "", http.StatusBadRequest) - } - - return nil -} - -func (o *IncomingWebhook) PreSave() { - if o.Id == "" { - o.Id = NewId() - } - - o.CreateAt = GetMillis() - o.UpdateAt = o.CreateAt -} - -func (o *IncomingWebhook) PreUpdate() { - o.UpdateAt = GetMillis() -} - -// escapeControlCharsFromPayload escapes control chars (\n, \t) from a byte slice. -// Context: -// JSON strings are not supposed to contain control characters such as \n, \t, -// ... but some incoming webhooks might still send invalid JSON and we want to -// try to handle that. An example invalid JSON string from an incoming webhook -// might look like this (strings for both "text" and "fallback" attributes are -// invalid JSON strings because they contain unescaped newlines and tabs): -// `{ -// "text": "this is a test -// that contains a newline and tabs", -// "attachments": [ -// { -// "fallback": "Required plain-text summary of the attachment -// that contains a newline and tabs", -// "color": "#36a64f", -// ... -// "text": "Optional text that appears within the attachment -// that contains a newline and tabs", -// ... -// "thumb_url": "http://example.com/path/to/thumb.png" -// } -// ] -// }` -// This function will search for `"key": "value"` pairs, and escape \n, \t -// from the value. -func escapeControlCharsFromPayload(by []byte) []byte { - // we'll search for `"text": "..."` or `"fallback": "..."`, ... - keys := "text|fallback|pretext|author_name|title|value" - - // the regexp reads like this: - // (?s): this flag let . match \n (default is false) - // "(keys)": we search for the keys defined above - // \s*:\s*: followed by 0..n spaces/tabs, a colon then 0..n spaces/tabs - // ": a double-quote - // (\\"|[^"])*: any number of times the `\"` string or any char but a double-quote - // ": a double-quote - r := `(?s)"(` + keys + `)"\s*:\s*"(\\"|[^"])*"` - re := regexp.MustCompile(r) - - // the function that will escape \n and \t on the regexp matches - repl := func(b []byte) []byte { - if bytes.Contains(b, []byte("\n")) { - b = bytes.Replace(b, []byte("\n"), []byte("\\n"), -1) - } - if bytes.Contains(b, []byte("\t")) { - b = bytes.Replace(b, []byte("\t"), []byte("\\t"), -1) - } - - return b - } - - return re.ReplaceAllFunc(by, repl) -} - -func decodeIncomingWebhookRequest(by []byte) (*IncomingWebhookRequest, error) { - decoder := json.NewDecoder(bytes.NewReader(by)) - var o IncomingWebhookRequest - err := decoder.Decode(&o) - if err == nil { - return &o, nil - } else { - return nil, err - } -} - -func IncomingWebhookRequestFromJson(data io.Reader) (*IncomingWebhookRequest, *AppError) { - buf := new(bytes.Buffer) - buf.ReadFrom(data) - by := buf.Bytes() - - // Try to decode the JSON data. Only if it fails, try to escape control - // characters from the strings contained in the JSON data. - o, err := decodeIncomingWebhookRequest(by) - if err != nil { - o, err = decodeIncomingWebhookRequest(escapeControlCharsFromPayload(by)) - if err != nil { - return nil, NewAppError("IncomingWebhookRequestFromJson", "Unable to parse incoming data", nil, err.Error(), http.StatusBadRequest) - } - } - - o.Attachments = StringifySlackFieldValue(o.Attachments) - - return o, nil -} |