authelia/internal/templates/provider.go

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package templates
import (
"fmt"
"io"
)
// New creates a new templates' provider.
func New(config Config) (provider *Provider, err error) {
provider = &Provider{
config: config,
}
if err = provider.load(); err != nil {
return nil, err
}
return provider, nil
}
// Provider of templates.
type Provider struct {
config Config
templates Templates
}
// ExecuteEmailEnvelope writes the envelope template to the given io.Writer.
func (p Provider) ExecuteEmailEnvelope(wr io.Writer, data EmailEnvelopeValues) (err error) {
return p.templates.notification.envelope.Execute(wr, data)
}
// ExecuteEmailPasswordResetTemplate writes the password reset template to the given io.Writer.
func (p Provider) ExecuteEmailPasswordResetTemplate(wr io.Writer, data EmailPasswordResetValues, format Format) (err error) {
return p.templates.notification.passwordReset.Get(format).Execute(wr, data)
}
// ExecuteEmailIdentityVerificationTemplate writes the identity verification template to the given io.Writer.
func (p Provider) ExecuteEmailIdentityVerificationTemplate(wr io.Writer, data EmailIdentityVerificationValues, format Format) (err error) {
return p.templates.notification.identityVerification.Get(format).Execute(wr, data)
}
func (p *Provider) load() (err error) {
var errs []error
if p.templates.notification.envelope, err = loadTemplate(TemplateNameEmailEnvelope, TemplateCategoryNotifications, p.config.EmailTemplatesPath); err != nil {
errs = append(errs, err)
}
if p.templates.notification.identityVerification.txt, err = loadTemplate(TemplateNameEmailIdentityVerificationTXT, TemplateCategoryNotifications, p.config.EmailTemplatesPath); err != nil {
errs = append(errs, err)
}
if p.templates.notification.identityVerification.html, err = loadTemplate(TemplateNameEmailIdentityVerificationHTML, TemplateCategoryNotifications, p.config.EmailTemplatesPath); err != nil {
errs = append(errs, err)
}
if p.templates.notification.passwordReset.txt, err = loadTemplate(TemplateNameEmailPasswordResetTXT, TemplateCategoryNotifications, p.config.EmailTemplatesPath); err != nil {
errs = append(errs, err)
}
if p.templates.notification.passwordReset.html, err = loadTemplate(TemplateNameEmailPasswordResetHTML, TemplateCategoryNotifications, p.config.EmailTemplatesPath); err != nil {
errs = append(errs, err)
}
if len(errs) == 0 {
return nil
}
for i, e := range errs {
if i == 0 {
err = e
continue
}
err = fmt.Errorf("%v, %w", err, e)
}
return fmt.Errorf("one or more errors occurred loading templates: %w", err)
}