zitadel/internal/notification/messages/email.go
Elio Bischof cccccd005c
feat: call webhooks at least once (#5454)
* feat: call webhooks at least once

* self review

* feat: improve notification observability

* feat: add notification tracing

* test(e2e): test at-least-once webhook delivery

* fix webhook notifications

* dedicated quota notifications handler

* fix linting

* fix e2e test

* wait less in e2e test

* fix: don't ignore failed events in handlers

* fix: don't ignore failed events in handlers

* faster requeues

* question

* fix retries

* fix retries

* retry

* don't instance ids query

* revert handler_projection

* statements can be nil

* cleanup

* make unit tests pass

* add comments

* add comments

* lint

* spool only active instances

* feat(config): handle inactive instances

* customizable HandleInactiveInstances

* call inactive instances quota webhooks

* test: handling with and w/o inactive instances

* omit retrying noop statements

* docs: describe projection options

* enable global handling of inactive instances

* self review

* requeue quota notifications every 5m

* remove caos_errors reference

* fix comment styles

* make handlers package flat

* fix linting

* fix repeating quota notifications

* test with more usage

* debug log channel init failures
2023-03-28 22:09:06 +00:00

64 lines
1.5 KiB
Go

package messages
import (
"fmt"
"regexp"
"strings"
"github.com/zitadel/zitadel/internal/eventstore"
"github.com/zitadel/zitadel/internal/notification/channels"
)
var (
isHTMLRgx = regexp.MustCompile(`.*<html.*>.*`)
lineBreak = "\r\n"
)
var _ channels.Message = (*Email)(nil)
type Email struct {
Recipients []string
BCC []string
CC []string
SenderEmail string
SenderName string
Subject string
Content string
TriggeringEvent eventstore.Event
}
func (msg *Email) GetContent() (string, error) {
headers := make(map[string]string)
from := msg.SenderEmail
if msg.SenderName != "" {
from = fmt.Sprintf("%s <%s>", msg.SenderName, msg.SenderEmail)
}
headers["From"] = from
headers["Return-Path"] = msg.SenderEmail
headers["To"] = strings.Join(msg.Recipients, ", ")
headers["Cc"] = strings.Join(msg.CC, ", ")
message := ""
for k, v := range headers {
message += fmt.Sprintf("%s: %s"+lineBreak, k, v)
}
//default mime-type is html
mime := "MIME-version: 1.0;" + lineBreak + "Content-Type: text/html; charset=\"UTF-8\";" + lineBreak + lineBreak
if !isHTML(msg.Content) {
mime = "MIME-version: 1.0;" + lineBreak + "Content-Type: text/plain; charset=\"UTF-8\";" + lineBreak + lineBreak
}
subject := "Subject: " + msg.Subject + lineBreak
message += subject + mime + lineBreak + msg.Content
return message, nil
}
func (msg *Email) GetTriggeringEvent() eventstore.Event {
return msg.TriggeringEvent
}
func isHTML(input string) bool {
return isHTMLRgx.MatchString(input)
}