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webhook.go
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webhook.go
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// Copyright (c) 2021 BitMaelum Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package webhook
import (
"encoding/json"
"errors"
"github.com/bitmaelum/bitmaelum-suite/pkg/hash"
"github.com/google/uuid"
)
var (
errWebhookNotFound = errors.New("webhook not found")
)
// TypeEnum is the type of the webhook destination
type TypeEnum int
// String convert type to string
func (e TypeEnum) String() string {
return [...]string{"HTTP", "Slack"}[e]
}
// Webhook destination types.
const (
TypeHTTP TypeEnum = iota // Simple HTTP endpoint
TypeSlack // Slack support
// TypeAmqp // Advanced Message Queue protocol
// TypeSQS // Amazon SQS support
)
// Type is the webhook structure
type Type struct {
ID string // Id of the webhook (uuidv4)
Account hash.Hash // account to which this webhook belongs to
Type TypeEnum // type of webhook
Event EventEnum // event when this webhook is triggered
Enabled bool // true when the webhook is enabled
Config string // config for the given target, json encoded
}
// ConfigHTTP Configuration for TypeHTTP
type ConfigHTTP struct {
URL string
}
// ConfigSQS Configuration for TypeSQS (not yet implemented)
type ConfigSQS struct {
Arn string
Region string
AccessKeyID string
SecretAccessKey string
}
// ConfigSlack Configuration for TypeSlack (not yet implemented)
type ConfigSlack struct {
WebhookURL string
Channel string
Username string
IconEmoji string
IconURL string
Template string
}
// NewWebhook creates a new webhook
func NewWebhook(account hash.Hash, e EventEnum, t TypeEnum, cfg interface{}) (*Type, error) {
id, err := uuid.NewRandom()
if err != nil {
return nil, err
}
cfgBytes, err := json.Marshal(cfg)
if err != nil {
return nil, err
}
return &Type{
ID: id.String(),
Account: account,
Type: t,
Event: e,
Enabled: false,
Config: string(cfgBytes),
}, nil
}