mirror of
https://github.com/kubevela/kubevela.git
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828acd95fa
* Feat: add email support in webhook notification * Fix: change sender and receiver to from and to * fix the variable name * fix wait return
137 lines
3.1 KiB
Go
137 lines
3.1 KiB
Go
/*
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Copyright 2021 The KubeVela Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package email
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import (
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"fmt"
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"sync"
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"gopkg.in/gomail.v2"
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"github.com/oam-dev/kubevela/pkg/cue/model/value"
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wfContext "github.com/oam-dev/kubevela/pkg/workflow/context"
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"github.com/oam-dev/kubevela/pkg/workflow/providers"
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"github.com/oam-dev/kubevela/pkg/workflow/types"
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)
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const (
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// ProviderName is provider name for install.
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ProviderName = "email"
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)
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type provider struct {
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}
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type sender struct {
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Address string `json:"address"`
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Alias string `json:"alias,omitempty"`
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Password string `json:"password"`
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Host string `json:"host"`
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Port int `json:"port"`
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}
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type content struct {
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Subject string `json:"subject"`
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Body string `json:"body"`
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}
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var emailRoutine sync.Map
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// Send sends email
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func (h *provider) Send(ctx wfContext.Context, v *value.Value, act types.Action) error {
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stepID, err := v.LookupValue("stepID")
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if err != nil {
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return err
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}
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id, err := stepID.String()
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if err != nil {
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return err
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}
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routine, ok := emailRoutine.Load(id)
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if ok {
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switch routine {
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case "success":
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emailRoutine.Delete(id)
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return nil
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case "initializing", "sending":
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act.Wait("wait for the email")
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return nil
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default:
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emailRoutine.Delete(id)
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return fmt.Errorf("failed to send email: %v", routine)
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}
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} else {
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emailRoutine.Store(id, "initializing")
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}
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s, err := v.LookupValue("from")
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if err != nil {
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return err
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}
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senderValue := &sender{}
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if err := s.UnmarshalTo(senderValue); err != nil {
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return err
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}
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r, err := v.LookupValue("to")
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if err != nil {
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return err
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}
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receiverValue := &[]string{}
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if err := r.UnmarshalTo(receiverValue); err != nil {
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return err
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}
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c, err := v.LookupValue("content")
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if err != nil {
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return err
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}
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contentValue := &content{}
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if err := c.UnmarshalTo(contentValue); err != nil {
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return err
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}
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m := gomail.NewMessage()
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m.SetAddressHeader("From", senderValue.Address, senderValue.Alias)
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m.SetHeader("To", *receiverValue...)
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m.SetHeader("Subject", contentValue.Subject)
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m.SetBody("text/html", contentValue.Body)
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dial := gomail.NewDialer(senderValue.Host, senderValue.Port, senderValue.Address, senderValue.Password)
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go func() {
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if routine, ok := emailRoutine.Load(id); ok && routine == "initializing" {
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emailRoutine.Store(id, "sending")
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if err := dial.DialAndSend(m); err != nil {
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emailRoutine.Store(id, err.Error())
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return
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}
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emailRoutine.Store(id, "success")
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}
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}()
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act.Wait("wait for the email")
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return nil
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}
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// Install register handlers to provider discover.
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func Install(p providers.Providers) {
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prd := &provider{}
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p.Register(ProviderName, map[string]providers.Handler{
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"send": prd.Send,
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})
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}
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