135 lines
3.9 KiB
Go
135 lines
3.9 KiB
Go
// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package connector
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"go.probo.inc/probo/pkg/gid"
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)
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type (
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SlackConnection struct {
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OAuth2Connection
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Settings SlackSettings `json:"settings"`
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}
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SlackSettings struct {
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WebhookURL string `json:"webhook_url,omitempty"` // Encrypted
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Channel string `json:"channel,omitempty"`
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ChannelID string `json:"channel_id,omitempty"`
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}
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IncomingWebhook struct {
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URL string `json:"url"`
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Channel string `json:"channel"`
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ChannelID string `json:"channel_id"`
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}
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SlackTokenResponse struct {
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IncomingWebhook *IncomingWebhook `json:"incoming_webhook,omitempty"`
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}
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)
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const (
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SlackProvider = "SLACK"
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)
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var _ Connection = (*SlackConnection)(nil)
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func (c *SlackConnection) Type() ProtocolType {
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return ProtocolOAuth2
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}
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func (c *SlackConnection) Client(ctx context.Context) (*http.Client, error) {
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return c.OAuth2Connection.Client(ctx)
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}
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func (c SlackConnection) MarshalJSON() ([]byte, error) {
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return json.Marshal(&struct {
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Type string `json:"type"`
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AccessToken string `json:"access_token"`
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RefreshToken string `json:"refresh_token,omitempty"`
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ExpiresAt time.Time `json:"expires_at"`
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TokenType string `json:"token_type"`
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Scope string `json:"scope,omitempty"`
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WebhookURL string `json:"webhook_url,omitempty"`
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}{
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Type: string(ProtocolOAuth2),
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AccessToken: c.OAuth2Connection.AccessToken,
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RefreshToken: c.OAuth2Connection.RefreshToken,
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ExpiresAt: c.OAuth2Connection.ExpiresAt,
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TokenType: c.OAuth2Connection.TokenType,
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Scope: c.OAuth2Connection.Scope,
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WebhookURL: c.Settings.WebhookURL,
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})
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}
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func (c *SlackConnection) UnmarshalJSON(data []byte) error {
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aux := &struct {
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Type string `json:"type"`
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AccessToken string `json:"access_token"`
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RefreshToken string `json:"refresh_token,omitempty"`
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ExpiresAt time.Time `json:"expires_at"`
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TokenType string `json:"token_type"`
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Scope string `json:"scope,omitempty"`
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WebhookURL string `json:"webhook_url,omitempty"`
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}{}
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if err := json.Unmarshal(data, aux); err != nil {
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return err
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}
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c.OAuth2Connection = OAuth2Connection{
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AccessToken: aux.AccessToken,
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RefreshToken: aux.RefreshToken,
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ExpiresAt: aux.ExpiresAt,
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TokenType: aux.TokenType,
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Scope: aux.Scope,
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}
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c.Settings.WebhookURL = aux.WebhookURL
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return nil
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}
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func ParseSlackTokenResponse(body []byte, oauth2Conn OAuth2Connection, organizationID gid.GID) (*SlackConnection, *gid.GID, error) {
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var slackResponse SlackTokenResponse
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var buf bytes.Buffer
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buf.Write(body)
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if err := json.NewDecoder(&buf).Decode(&slackResponse); err != nil {
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return nil, nil, fmt.Errorf("cannot decode Slack token response: %w", err)
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}
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if slackResponse.IncomingWebhook == nil {
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return nil, nil, fmt.Errorf("incoming webhook is required for Slack")
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}
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settings := SlackSettings{
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WebhookURL: slackResponse.IncomingWebhook.URL,
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Channel: slackResponse.IncomingWebhook.Channel,
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ChannelID: slackResponse.IncomingWebhook.ChannelID,
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}
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return &SlackConnection{
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OAuth2Connection: oauth2Conn,
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Settings: settings,
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}, &organizationID, nil
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}
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