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notifications.go
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notifications.go
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package notifications
import (
"context"
"errors"
"fmt"
"html/template"
"net/url"
"path/filepath"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/events"
"github.com/grafana/grafana/pkg/log"
m "github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/util"
)
var mailTemplates *template.Template
var tmplResetPassword = "reset_password.html"
var tmplSignUpStarted = "signup_started.html"
var tmplWelcomeOnSignUp = "welcome_on_signup.html"
func Init() error {
initMailQueue()
initWebhookQueue()
bus.AddHandler("email", sendResetPasswordEmail)
bus.AddHandler("email", validateResetPasswordCode)
bus.AddHandler("email", sendEmailCommandHandler)
bus.AddCtxHandler("email", sendEmailCommandHandlerSync)
bus.AddCtxHandler("webhook", SendWebhookSync)
bus.AddEventListener(signUpStartedHandler)
bus.AddEventListener(signUpCompletedHandler)
mailTemplates = template.New("name")
mailTemplates.Funcs(template.FuncMap{
"Subject": subjectTemplateFunc,
})
templatePattern := filepath.Join(setting.StaticRootPath, setting.Smtp.TemplatesPattern)
_, err := mailTemplates.ParseGlob(templatePattern)
if err != nil {
return err
}
if !util.IsEmail(setting.Smtp.FromAddress) {
return errors.New("Invalid email address for SMTP from_address config")
}
if setting.EmailCodeValidMinutes == 0 {
setting.EmailCodeValidMinutes = 120
}
return nil
}
func SendWebhookSync(ctx context.Context, cmd *m.SendWebhookSync) error {
return sendWebRequestSync(ctx, &Webhook{
Url: cmd.Url,
User: cmd.User,
Password: cmd.Password,
Body: cmd.Body,
HttpMethod: cmd.HttpMethod,
HttpHeader: cmd.HttpHeader,
})
}
func subjectTemplateFunc(obj map[string]interface{}, value string) string {
obj["value"] = value
return ""
}
func sendEmailCommandHandlerSync(ctx context.Context, cmd *m.SendEmailCommandSync) error {
message, err := buildEmailMessage(&m.SendEmailCommand{
Data: cmd.Data,
Info: cmd.Info,
Template: cmd.Template,
To: cmd.To,
EmbededFiles: cmd.EmbededFiles,
Subject: cmd.Subject,
})
if err != nil {
return err
}
_, err = send(message)
return err
}
func sendEmailCommandHandler(cmd *m.SendEmailCommand) error {
message, err := buildEmailMessage(cmd)
if err != nil {
return err
}
addToMailQueue(message)
return nil
}
func sendResetPasswordEmail(cmd *m.SendResetPasswordEmailCommand) error {
return sendEmailCommandHandler(&m.SendEmailCommand{
To: []string{cmd.User.Email},
Template: tmplResetPassword,
Data: map[string]interface{}{
"Code": createUserEmailCode(cmd.User, nil),
"Name": cmd.User.NameOrFallback(),
},
})
}
func validateResetPasswordCode(query *m.ValidateResetPasswordCodeQuery) error {
login := getLoginForEmailCode(query.Code)
if login == "" {
return m.ErrInvalidEmailCode
}
userQuery := m.GetUserByLoginQuery{LoginOrEmail: login}
if err := bus.Dispatch(&userQuery); err != nil {
return err
}
if !validateUserEmailCode(userQuery.Result, query.Code) {
return m.ErrInvalidEmailCode
}
query.Result = userQuery.Result
return nil
}
func signUpStartedHandler(evt *events.SignUpStarted) error {
if !setting.VerifyEmailEnabled {
return nil
}
log.Info("User signup started: %s", evt.Email)
if evt.Email == "" {
return nil
}
err := sendEmailCommandHandler(&m.SendEmailCommand{
To: []string{evt.Email},
Template: tmplSignUpStarted,
Data: map[string]interface{}{
"Email": evt.Email,
"Code": evt.Code,
"SignUpUrl": setting.ToAbsUrl(fmt.Sprintf("signup/?email=%s&code=%s", url.QueryEscape(evt.Email), url.QueryEscape(evt.Code))),
},
})
if err != nil {
return err
}
emailSentCmd := m.UpdateTempUserWithEmailSentCommand{Code: evt.Code}
return bus.Dispatch(&emailSentCmd)
}
func signUpCompletedHandler(evt *events.SignUpCompleted) error {
if evt.Email == "" || !setting.Smtp.SendWelcomeEmailOnSignUp {
return nil
}
return sendEmailCommandHandler(&m.SendEmailCommand{
To: []string{evt.Email},
Template: tmplWelcomeOnSignUp,
Data: map[string]interface{}{
"Name": evt.Name,
},
})
}