Update dependencies for 1.18.0 release (#1175)

12 files changed, 116 insertions, 50 deletions

diff --git a/vendor/github.com/slack-go/slack/.travis.yml b/vendor/github.com/slack-go/slack/.travis.yml
index 6a968232..f2019d72 100644
--- a/vendor/github.com/slack-go/slack/.travis.yml
+++ b/vendor/github.com/slack-go/slack/.travis.yml
@@ -32,6 +32,8 @@ matrix:
     script: go test -v -mod=vendor ./...
   - go: "1.13.x"
     script: go test -v -mod=vendor ./...
+  - go: "1.14.x"
+    script: go test -v -mod=vendor ./...
   - go: "tip"
     script: go test -v -mod=vendor ./...
 
diff --git a/vendor/github.com/slack-go/slack/block.go b/vendor/github.com/slack-go/slack/block.go
index dbc34496..4b4b1559 100644
--- a/vendor/github.com/slack-go/slack/block.go
+++ b/vendor/github.com/slack-go/slack/block.go
@@ -32,23 +32,26 @@ type Blocks struct {
 
 // BlockAction is the action callback sent when a block is interacted with
 type BlockAction struct {
-	ActionID             string              `json:"action_id"`
-	BlockID              string              `json:"block_id"`
-	Type                 actionType          `json:"type"`
-	Text                 TextBlockObject     `json:"text"`
-	Value                string              `json:"value"`
-	ActionTs             string              `json:"action_ts"`
-	SelectedOption       OptionBlockObject   `json:"selected_option"`
-	SelectedOptions      []OptionBlockObject `json:"selected_options"`
-	SelectedUser         string              `json:"selected_user"`
-	SelectedChannel      string              `json:"selected_channel"`
-	SelectedConversation string              `json:"selected_conversation"`
-	SelectedDate         string              `json:"selected_date"`
-	InitialOption        OptionBlockObject   `json:"initial_option"`
-	InitialUser          string              `json:"initial_user"`
-	InitialChannel       string              `json:"initial_channel"`
-	InitialConversation  string              `json:"initial_conversation"`
-	InitialDate          string              `json:"initial_date"`
+	ActionID              string              `json:"action_id"`
+	BlockID               string              `json:"block_id"`
+	Type                  actionType          `json:"type"`
+	Text                  TextBlockObject     `json:"text"`
+	Value                 string              `json:"value"`
+	ActionTs              string              `json:"action_ts"`
+	SelectedOption        OptionBlockObject   `json:"selected_option"`
+	SelectedOptions       []OptionBlockObject `json:"selected_options"`
+	SelectedUser          string              `json:"selected_user"`
+	SelectedUsers         []string            `json:"selected_users"`
+	SelectedChannel       string              `json:"selected_channel"`
+	SelectedChannels      []string            `json:"selected_channels"`
+	SelectedConversation  string              `json:"selected_conversation"`
+	SelectedConversations []string            `json:"selected_conversations"`
+	SelectedDate          string              `json:"selected_date"`
+	InitialOption         OptionBlockObject   `json:"initial_option"`
+	InitialUser           string              `json:"initial_user"`
+	InitialChannel        string              `json:"initial_channel"`
+	InitialConversation   string              `json:"initial_conversation"`
+	InitialDate           string              `json:"initial_date"`
 }
 
 // actionType returns the type of the action
diff --git a/vendor/github.com/slack-go/slack/block_conv.go b/vendor/github.com/slack-go/slack/block_conv.go
index 00d59c3b..3fda5431 100644
--- a/vendor/github.com/slack-go/slack/block_conv.go
+++ b/vendor/github.com/slack-go/slack/block_conv.go
@@ -2,6 +2,7 @@ package slack
 
 import (
 	"encoding/json"
+	"fmt"
 
 	"github.com/pkg/errors"
 )
@@ -172,10 +173,12 @@ func (b *BlockElements) UnmarshalJSON(data []byte) error {
 			blockElement = &DatePickerBlockElement{}
 		case "plain_text_input":
 			blockElement = &PlainTextInputBlockElement{}
+		case "checkboxes":
+			blockElement = &CheckboxGroupsBlockElement{}
 		case "static_select", "external_select", "users_select", "conversations_select", "channels_select":
 			blockElement = &SelectBlockElement{}
 		default:
-			return errors.New("unsupported block element type")
+			return fmt.Errorf("unsupported block element type %v", blockElementType)
 		}
 
 		err = json.Unmarshal(r, blockElement)
@@ -275,6 +278,12 @@ func (a *Accessory) UnmarshalJSON(data []byte) error {
 			return err
 		}
 		a.MultiSelectElement = element.(*MultiSelectBlockElement)
+	case "checkboxes":
+		element, err := unmarshalBlockElement(r, &CheckboxGroupsBlockElement{})
+		if err != nil {
+			return err
+		}
+		a.CheckboxGroupsBlockElement = element.(*CheckboxGroupsBlockElement)
 	default:
 		element, err := unmarshalBlockElement(r, &UnknownBlockElement{})
 		if err != nil {
@@ -313,6 +322,9 @@ func toBlockElement(element *Accessory) BlockElement {
 	if element.RadioButtonsElement != nil {
 		return element.RadioButtonsElement
 	}
+	if element.CheckboxGroupsBlockElement != nil {
+		return element.CheckboxGroupsBlockElement
+	}
 	if element.SelectElement != nil {
 		return element.SelectElement
 	}
diff --git a/vendor/github.com/slack-go/slack/block_element.go b/vendor/github.com/slack-go/slack/block_element.go
index 50971bfa..bca4e314 100644
--- a/vendor/github.com/slack-go/slack/block_element.go
+++ b/vendor/github.com/slack-go/slack/block_element.go
@@ -40,15 +40,16 @@ type MixedElement interface {
 }
 
 type Accessory struct {
-	ImageElement          *ImageBlockElement
-	ButtonElement         *ButtonBlockElement
-	OverflowElement       *OverflowBlockElement
-	DatePickerElement     *DatePickerBlockElement
-	PlainTextInputElement *PlainTextInputBlockElement
-	RadioButtonsElement   *RadioButtonsBlockElement
-	SelectElement         *SelectBlockElement
-	MultiSelectElement    *MultiSelectBlockElement
-	UnknownElement        *UnknownBlockElement
+	ImageElement               *ImageBlockElement
+	ButtonElement              *ButtonBlockElement
+	OverflowElement            *OverflowBlockElement
+	DatePickerElement          *DatePickerBlockElement
+	PlainTextInputElement      *PlainTextInputBlockElement
+	RadioButtonsElement        *RadioButtonsBlockElement
+	SelectElement              *SelectBlockElement
+	MultiSelectElement         *MultiSelectBlockElement
+	CheckboxGroupsBlockElement *CheckboxGroupsBlockElement
+	UnknownElement             *UnknownBlockElement
 }
 
 // NewAccessory returns a new Accessory for a given block element
@@ -70,6 +71,8 @@ func NewAccessory(element BlockElement) *Accessory {
 		return &Accessory{SelectElement: element.(*SelectBlockElement)}
 	case *MultiSelectBlockElement:
 		return &Accessory{MultiSelectElement: element.(*MultiSelectBlockElement)}
+	case *CheckboxGroupsBlockElement:
+		return &Accessory{CheckboxGroupsBlockElement: element.(*CheckboxGroupsBlockElement)}
 	default:
 		return &Accessory{UnknownElement: element.(*UnknownBlockElement)}
 	}
@@ -152,9 +155,10 @@ func (s ButtonBlockElement) ElementType() MessageElementType {
 	return s.Type
 }
 
-// add styling to button object
-func (s *ButtonBlockElement) WithStyle(style Style) {
+// WithStyling adds styling to the button object and returns the modified ButtonBlockElement
+func (s *ButtonBlockElement) WithStyle(style Style) *ButtonBlockElement {
 	s.Style = style
+	return s
 }
 
 // NewButtonBlockElement returns an instance of a new button element to be used within a block
@@ -186,17 +190,19 @@ type OptionGroupsResponse struct {
 //
 // More Information: https://api.slack.com/reference/messaging/block-elements#select
 type SelectBlockElement struct {
-	Type                string                    `json:"type,omitempty"`
-	Placeholder         *TextBlockObject          `json:"placeholder,omitempty"`
-	ActionID            string                    `json:"action_id,omitempty"`
-	Options             []*OptionBlockObject      `json:"options,omitempty"`
-	OptionGroups        []*OptionGroupBlockObject `json:"option_groups,omitempty"`
-	InitialOption       *OptionBlockObject        `json:"initial_option,omitempty"`
-	InitialUser         string                    `json:"initial_user,omitempty"`
-	InitialConversation string                    `json:"initial_conversation,omitempty"`
-	InitialChannel      string                    `json:"initial_channel,omitempty"`
-	MinQueryLength      *int                      `json:"min_query_length,omitempty"`
-	Confirm             *ConfirmationBlockObject  `json:"confirm,omitempty"`
+	Type                         string                    `json:"type,omitempty"`
+	Placeholder                  *TextBlockObject          `json:"placeholder,omitempty"`
+	ActionID                     string                    `json:"action_id,omitempty"`
+	Options                      []*OptionBlockObject      `json:"options,omitempty"`
+	OptionGroups                 []*OptionGroupBlockObject `json:"option_groups,omitempty"`
+	InitialOption                *OptionBlockObject        `json:"initial_option,omitempty"`
+	InitialUser                  string                    `json:"initial_user,omitempty"`
+	InitialConversation          string                    `json:"initial_conversation,omitempty"`
+	InitialChannel               string                    `json:"initial_channel,omitempty"`
+	DefaultToCurrentConversation bool                      `json:"default_to_current_conversation,omitempty"`
+	ResponseURLEnabled           bool                      `json:"response_url_enabled,omitempty"`
+	MinQueryLength               *int                      `json:"min_query_length,omitempty"`
+	Confirm                      *ConfirmationBlockObject  `json:"confirm,omitempty"`
 }
 
 // ElementType returns the type of the Element
@@ -315,7 +321,7 @@ func NewOverflowBlockElement(actionID string, options ...*OptionBlockObject) *Ov
 // More Information: https://api.slack.com/reference/messaging/block-elements#datepicker
 type DatePickerBlockElement struct {
 	Type        MessageElementType       `json:"type"`
-	ActionID    string                   `json:"action_id"`
+	ActionID    string                   `json:"action_id,omitempty"`
 	Placeholder *TextBlockObject         `json:"placeholder,omitempty"`
 	InitialDate string                   `json:"initial_date,omitempty"`
 	Confirm     *ConfirmationBlockObject `json:"confirm,omitempty"`
@@ -341,7 +347,7 @@ func NewDatePickerBlockElement(actionID string) *DatePickerBlockElement {
 // More Information: https://api.slack.com/reference/block-kit/block-elements#input
 type PlainTextInputBlockElement struct {
 	Type         MessageElementType `json:"type"`
-	ActionID     string             `json:"action_id"`
+	ActionID     string             `json:"action_id,omitempty"`
 	Placeholder  *TextBlockObject   `json:"placeholder,omitempty"`
 	InitialValue string             `json:"initial_value,omitempty"`
 	Multiline    bool               `json:"multiline,omitempty"`
@@ -370,7 +376,7 @@ func NewPlainTextInputBlockElement(placeholder *TextBlockObject, actionID string
 // More Information: https://api.slack.com/reference/block-kit/block-elements#checkboxes
 type CheckboxGroupsBlockElement struct {
 	Type           MessageElementType       `json:"type"`
-	ActionID       string                   `json:"action_id"`
+	ActionID       string                   `json:"action_id,omitempty"`
 	Options        []*OptionBlockObject     `json:"options"`
 	InitialOptions []*OptionBlockObject     `json:"initial_options,omitempty"`
 	Confirm        *ConfirmationBlockObject `json:"confirm,omitempty"`
@@ -381,7 +387,7 @@ func (c CheckboxGroupsBlockElement) ElementType() MessageElementType {
 	return c.Type
 }
 
-// NewRadioButtonsBlockElement returns an instance of a radio block element
+// NewCheckboxGroupsBlockElement returns an instance of a radio block element
 func NewCheckboxGroupsBlockElement(actionID string, options ...*OptionBlockObject) *CheckboxGroupsBlockElement {
 	return &CheckboxGroupsBlockElement{
 		Type:     METCheckboxGroups,
@@ -396,7 +402,7 @@ func NewCheckboxGroupsBlockElement(actionID string, options ...*OptionBlockObjec
 // More Information: https://api.slack.com/reference/block-kit/block-elements#radio
 type RadioButtonsBlockElement struct {
 	Type          MessageElementType       `json:"type"`
-	ActionID      string                   `json:"action_id"`
+	ActionID      string                   `json:"action_id,omitempty"`
 	Options       []*OptionBlockObject     `json:"options"`
 	InitialOption *OptionBlockObject       `json:"initial_option,omitempty"`
 	Confirm       *ConfirmationBlockObject `json:"confirm,omitempty"`
diff --git a/vendor/github.com/slack-go/slack/block_image.go b/vendor/github.com/slack-go/slack/block_image.go
index 6de3f63a..90cbd14e 100644
--- a/vendor/github.com/slack-go/slack/block_image.go
+++ b/vendor/github.com/slack-go/slack/block_image.go
@@ -8,7 +8,7 @@ type ImageBlock struct {
 	ImageURL string           `json:"image_url"`
 	AltText  string           `json:"alt_text"`
 	BlockID  string           `json:"block_id,omitempty"`
-	Title    *TextBlockObject `json:"title"`
+	Title    *TextBlockObject `json:"title,omitempty"`
 }
 
 // BlockType returns the type of the block
diff --git a/vendor/github.com/slack-go/slack/block_object.go b/vendor/github.com/slack-go/slack/block_object.go
index cf3536d0..b6f1da4a 100644
--- a/vendor/github.com/slack-go/slack/block_object.go
+++ b/vendor/github.com/slack-go/slack/block_object.go
@@ -163,6 +163,7 @@ type ConfirmationBlockObject struct {
 	Text    *TextBlockObject `json:"text"`
 	Confirm *TextBlockObject `json:"confirm"`
 	Deny    *TextBlockObject `json:"deny"`
+	Style   Style            `json:"style,omitempty"`
 }
 
 // validateType enforces block objects for element and block parameters
@@ -170,6 +171,11 @@ func (s ConfirmationBlockObject) validateType() MessageObjectType {
 	return motConfirmation
 }
 
+// add styling to confirmation object
+func (s *ConfirmationBlockObject) WithStyle(style Style) {
+	s.Style = style
+}
+
 // NewConfirmationBlockObject returns an instance of a new Confirmation Block Object
 func NewConfirmationBlockObject(title, text, confirm, deny *TextBlockObject) *ConfirmationBlockObject {
 	return &ConfirmationBlockObject{
diff --git a/vendor/github.com/slack-go/slack/chat.go b/vendor/github.com/slack-go/slack/chat.go
index c5b524c1..a9f51e1f 100644
--- a/vendor/github.com/slack-go/slack/chat.go
+++ b/vendor/github.com/slack-go/slack/chat.go
@@ -1,8 +1,10 @@
 package slack
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
+	"io/ioutil"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -206,6 +208,15 @@ func (api *Client) SendMessageContext(ctx context.Context, channelID string, opt
 		return "", "", "", err
 	}
 
+	if api.Debug() {
+		reqBody, err := ioutil.ReadAll(req.Body)
+		if err != nil {
+			return "", "", "", err
+		}
+		req.Body = ioutil.NopCloser(bytes.NewBuffer(reqBody))
+		api.Debugf("Sending request: %s", string(reqBody))
+	}
+
 	if err = doPost(ctx, api.httpclient, req, parser(&response), api); err != nil {
 		return "", "", "", err
 	}
diff --git a/vendor/github.com/slack-go/slack/go.mod b/vendor/github.com/slack-go/slack/go.mod
index 2107e612..32fc4b93 100644
--- a/vendor/github.com/slack-go/slack/go.mod
+++ b/vendor/github.com/slack-go/slack/go.mod
@@ -1,9 +1,11 @@
 module github.com/slack-go/slack
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-test/deep v1.0.4
-	github.com/gorilla/websocket v1.2.0
+	github.com/gorilla/websocket v1.4.2
 	github.com/pkg/errors v0.8.0
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/testify v1.2.2
 )
 
diff --git a/vendor/github.com/slack-go/slack/go.sum b/vendor/github.com/slack-go/slack/go.sum
index 7a0ae46e..a66560ac 100644
--- a/vendor/github.com/slack-go/slack/go.sum
+++ b/vendor/github.com/slack-go/slack/go.sum
@@ -4,6 +4,8 @@ github.com/go-test/deep v1.0.4 h1:u2CU3YKy9I2pmu9pX0eq50wCgjfGIt539SqR7FbHiho=
 github.com/go-test/deep v1.0.4/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/gorilla/websocket v1.2.0 h1:VJtLvh6VQym50czpZzx07z/kw9EgAxI3x1ZB8taTMQQ=
 github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
diff --git a/vendor/github.com/slack-go/slack/interactions.go b/vendor/github.com/slack-go/slack/interactions.go
index ec662ee3..c7f59217 100644
--- a/vendor/github.com/slack-go/slack/interactions.go
+++ b/vendor/github.com/slack-go/slack/interactions.go
@@ -59,8 +59,13 @@ type InteractionCallback struct {
 }
 
 type Container struct {
-	Type   string `json:"type"`
-	ViewID string `json:"view_id"`
+	Type         string      `json:"type"`
+	ViewID       string      `json:"view_id"`
+	MessageTs    string      `json:"message_ts"`
+	AttachmentID json.Number `json:"attachment_id"`
+	ChannelID    string      `json:"channel_id"`
+	IsEphemeral  bool        `json:"is_ephemeral"`
+	IsAppUnfurl  bool        `json:"is_app_unfurl"`
 }
 
 // ActionCallback is a convenience struct defined to allow dynamic unmarshalling of
@@ -135,7 +140,7 @@ func (a *ActionCallbacks) UnmarshalJSON(data []byte) error {
 			}
 
 			a.BlockActions = append(a.BlockActions, action.(*BlockAction))
-			return nil
+			continue
 		}
 
 		action, err := unmarshalAction(r, &AttachmentAction{})
diff --git a/vendor/github.com/slack-go/slack/oauth.go b/vendor/github.com/slack-go/slack/oauth.go
index 43139768..4dc23b11 100644
--- a/vendor/github.com/slack-go/slack/oauth.go
+++ b/vendor/github.com/slack-go/slack/oauth.go
@@ -78,10 +78,26 @@ func GetOAuthTokenContext(ctx context.Context, client httpClient, clientID, clie
 	return response.AccessToken, response.Scope, nil
 }
 
+// GetBotOAuthToken retrieves top-level and bot AccessToken - https://api.slack.com/legacy/oauth#bot_user_access_tokens
+func GetBotOAuthToken(client httpClient, clientID, clientSecret, code, redirectURI string) (accessToken string, scope string, bot OAuthResponseBot, err error) {
+	return GetBotOAuthTokenContext(context.Background(), client, clientID, clientSecret, code, redirectURI)
+}
+
+// GetBotOAuthTokenContext retrieves top-level and bot AccessToken with a custom context
+func GetBotOAuthTokenContext(ctx context.Context, client httpClient, clientID, clientSecret, code, redirectURI string) (accessToken string, scope string, bot OAuthResponseBot, err error) {
+	response, err := GetOAuthResponseContext(ctx, client, clientID, clientSecret, code, redirectURI)
+	if err != nil {
+		return "", "", OAuthResponseBot{}, err
+	}
+	return response.AccessToken, response.Scope, response.Bot, nil
+}
+
+// GetOAuthResponse retrieves OAuth response
 func GetOAuthResponse(client httpClient, clientID, clientSecret, code, redirectURI string) (resp *OAuthResponse, err error) {
 	return GetOAuthResponseContext(context.Background(), client, clientID, clientSecret, code, redirectURI)
 }
 
+// GetOAuthResponseContext retrieves OAuth response with custom context
 func GetOAuthResponseContext(ctx context.Context, client httpClient, clientID, clientSecret, code, redirectURI string) (resp *OAuthResponse, err error) {
 	values := url.Values{
 		"client_id":     {clientID},
diff --git a/vendor/github.com/slack-go/slack/webhooks.go b/vendor/github.com/slack-go/slack/webhooks.go
index 1016cb4f..39fff441 100644
--- a/vendor/github.com/slack-go/slack/webhooks.go
+++ b/vendor/github.com/slack-go/slack/webhooks.go
@@ -14,6 +14,7 @@ type WebhookMessage struct {
 	Text            string       `json:"text,omitempty"`
 	Attachments     []Attachment `json:"attachments,omitempty"`
 	Parse           string       `json:"parse,omitempty"`
+	Blocks          *Blocks      `json:"blocks,omitempty"`
 }
 
 func PostWebhook(url string, msg *WebhookMessage) error {