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email.go
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email.go
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package main
import (
"bytes"
"context"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"html/template"
"io"
"io/fs"
"net/http"
"net/url"
"os"
"strconv"
"strings"
textTemplate "text/template"
"time"
"github.com/gomarkdown/markdown"
"github.com/gomarkdown/markdown/html"
"github.com/hrfee/jfa-go/easyproxy"
lm "github.com/hrfee/jfa-go/logmessages"
"github.com/hrfee/mediabrowser"
"github.com/itchyny/timefmt-go"
"github.com/mailgun/mailgun-go/v4"
"github.com/timshannon/badgerhold/v4"
sMail "github.com/xhit/go-simple-mail/v2"
)
var markdownRenderer = html.NewRenderer(html.RendererOptions{Flags: html.Smartypants})
// EmailClient implements email sending, right now via smtp, mailgun or a dummy client.
type EmailClient interface {
Send(fromName, fromAddr string, message *Message, address ...string) error
}
// Emailer contains the email sender, translations, and methods to construct messages.
type Emailer struct {
fromAddr, fromName string
lang emailLang
sender EmailClient
}
// Message stores content.
type Message struct {
Subject string `json:"subject"`
HTML string `json:"html"`
Text string `json:"text"`
Markdown string `json:"markdown"`
}
func (emailer *Emailer) formatExpiry(expiry time.Time, tzaware bool, datePattern, timePattern string) (d, t, expiresIn string) {
d = timefmt.Format(expiry, datePattern)
t = timefmt.Format(expiry, timePattern)
currentTime := time.Now()
if tzaware {
currentTime = currentTime.UTC()
}
_, _, days, hours, minutes, _ := timeDiff(expiry, currentTime)
if days != 0 {
expiresIn += strconv.Itoa(days) + "d "
}
if hours != 0 {
expiresIn += strconv.Itoa(hours) + "h "
}
if minutes != 0 {
expiresIn += strconv.Itoa(minutes) + "m "
}
expiresIn = strings.TrimSuffix(expiresIn, " ")
return
}
// NewEmailer configures and returns a new emailer.
func NewEmailer(app *appContext) *Emailer {
emailer := &Emailer{
fromAddr: app.config.Section("email").Key("address").String(),
fromName: app.config.Section("email").Key("from").String(),
lang: app.storage.lang.Email[app.storage.lang.chosenEmailLang],
}
method := app.config.Section("email").Key("method").String()
if method == "smtp" {
sslTLS := false
if app.config.Section("smtp").Key("encryption").String() == "ssl_tls" {
sslTLS = true
}
username := app.config.Section("smtp").Key("username").MustString("")
password := app.config.Section("smtp").Key("password").String()
if username == "" && password != "" {
username = emailer.fromAddr
}
var proxyConf *easyproxy.ProxyConfig = nil
if app.proxyEnabled {
proxyConf = &app.proxyConfig
}
authType := sMail.AuthType(app.config.Section("smtp").Key("auth_type").MustInt(4))
err := emailer.NewSMTP(app.config.Section("smtp").Key("server").String(), app.config.Section("smtp").Key("port").MustInt(465), username, password, sslTLS, app.config.Section("smtp").Key("ssl_cert").MustString(""), app.config.Section("smtp").Key("hello_hostname").String(), app.config.Section("smtp").Key("cert_validation").MustBool(true), authType, proxyConf)
if err != nil {
app.err.Printf(lm.FailedInitSMTP, err)
}
} else if method == "mailgun" {
emailer.NewMailgun(app.config.Section("mailgun").Key("api_url").String(), app.config.Section("mailgun").Key("api_key").String(), app.proxyTransport)
} else if method == "dummy" {
emailer.sender = &DummyClient{}
}
return emailer
}
// DummyClient just logs the email to the console for debugging purposes. It can be used by settings [email]/method to "dummy".
type DummyClient struct{}
func (dc *DummyClient) Send(fromName, fromAddr string, email *Message, address ...string) error {
fmt.Printf("FROM: %s <%s>\nTO: %s\nTEXT: %s\n", fromName, fromAddr, strings.Join(address, ", "), email.Text)
return nil
}
// SMTP supports SSL/TLS and STARTTLS; implements EmailClient.
type SMTP struct {
Client *sMail.SMTPServer
}
// NewSMTP returns an SMTP emailClient.
func (emailer *Emailer) NewSMTP(server string, port int, username, password string, sslTLS bool, certPath string, helloHostname string, validateCertificate bool, authType sMail.AuthType, proxy *easyproxy.ProxyConfig) (err error) {
sender := &SMTP{}
sender.Client = sMail.NewSMTPClient()
if sslTLS {
sender.Client.Encryption = sMail.EncryptionSSLTLS
} else {
sender.Client.Encryption = sMail.EncryptionSTARTTLS
}
if username != "" || password != "" {
sender.Client.Authentication = authType
sender.Client.Username = username
sender.Client.Password = password
}
sender.Client.Helo = helloHostname
sender.Client.ConnectTimeout, sender.Client.SendTimeout = 15*time.Second, 15*time.Second
sender.Client.Host = server
sender.Client.Port = port
sender.Client.KeepAlive = false
// x509.SystemCertPool is unavailable on windows
if PLATFORM == "windows" {
sender.Client.TLSConfig = &tls.Config{
InsecureSkipVerify: !validateCertificate,
ServerName: server,
}
if proxy != nil {
sender.Client.CustomConn, err = easyproxy.NewConn(*proxy, fmt.Sprintf("%s:%d", server, port), sender.Client.TLSConfig)
}
emailer.sender = sender
return
}
rootCAs, err := x509.SystemCertPool()
if rootCAs == nil || err != nil {
rootCAs = x509.NewCertPool()
}
if certPath != "" {
var cert []byte
cert, err = os.ReadFile(certPath)
if rootCAs.AppendCertsFromPEM(cert) == false {
err = errors.New("Failed to append cert to pool")
}
}
sender.Client.TLSConfig = &tls.Config{
InsecureSkipVerify: !validateCertificate,
ServerName: server,
RootCAs: rootCAs,
}
if proxy != nil {
sender.Client.CustomConn, err = easyproxy.NewConn(*proxy, fmt.Sprintf("%s:%d", server, port), sender.Client.TLSConfig)
}
emailer.sender = sender
return
}
func (sm *SMTP) Send(fromName, fromAddr string, email *Message, address ...string) error {
from := fmt.Sprintf("%s <%s>", fromName, fromAddr)
var cli *sMail.SMTPClient
var err error
cli, err = sm.Client.Connect()
if err != nil {
return err
}
defer cli.Close()
e := sMail.NewMSG()
e.SetFrom(from)
e.SetSubject(email.Subject)
e.AddTo(address...)
e.SetBody(sMail.TextPlain, email.Text)
if email.HTML != "" {
e.AddAlternative(sMail.TextHTML, email.HTML)
}
err = e.Send(cli)
return err
}
// Mailgun client implements EmailClient.
type Mailgun struct {
client *mailgun.MailgunImpl
}
// NewMailgun returns a Mailgun emailClient.
func (emailer *Emailer) NewMailgun(url, key string, transport *http.Transport) {
sender := &Mailgun{
client: mailgun.NewMailgun(strings.Split(emailer.fromAddr, "@")[1], key),
}
if transport != nil {
cli := sender.client.Client()
cli.Transport = transport
}
// Mailgun client takes the base url, so we need to trim off the end (e.g 'v3/messages')
if strings.Contains(url, "messages") {
url = url[0:strings.LastIndex(url, "/")]
}
if strings.Contains(url, "v3") {
url = url[0:strings.LastIndex(url, "/")]
}
sender.client.SetAPIBase(url)
emailer.sender = sender
}
func (mg *Mailgun) Send(fromName, fromAddr string, email *Message, address ...string) error {
message := mg.client.NewMessage(
fmt.Sprintf("%s <%s>", fromName, fromAddr),
email.Subject,
email.Text,
)
for _, a := range address {
// Adding variable tells mailgun to do a batch send, so users don't see other recipients.
message.AddRecipientAndVariables(a, map[string]interface{}{"unique_id": a})
}
message.SetHtml(email.HTML)
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
_, _, err := mg.client.Send(ctx, message)
return err
}
type templ interface {
Execute(wr io.Writer, data interface{}) error
}
func (emailer *Emailer) construct(app *appContext, section, keyFragment string, data map[string]interface{}) (html, text, markdown string, err error) {
var tpl templ
if substituteStrings == "" {
data["jellyfin"] = "Jellyfin"
} else {
data["jellyfin"] = substituteStrings
}
var keys []string
plaintext := app.config.Section("email").Key("plaintext").MustBool(false)
if plaintext {
if telegramEnabled || discordEnabled {
keys = []string{"text"}
text, markdown = "", ""
} else {
keys = []string{"text"}
text = ""
}
} else {
if telegramEnabled || discordEnabled {
keys = []string{"html", "text", "markdown"}
} else {
keys = []string{"html", "text"}
}
}
for _, key := range keys {
var filesystem fs.FS
var fpath string
if key == "markdown" {
filesystem, fpath = app.GetPath(section, keyFragment+"text")
} else {
filesystem, fpath = app.GetPath(section, keyFragment+key)
}
if key == "html" {
tpl, err = template.ParseFS(filesystem, fpath)
} else {
tpl, err = textTemplate.ParseFS(filesystem, fpath)
}
if err != nil {
return
}
// For constructTemplate, if "md" is found in data it's used in stead of "text".
foundMarkdown := false
if key == "markdown" {
_, foundMarkdown = data["md"]
if foundMarkdown {
data["plaintext"], data["md"] = data["md"], data["plaintext"]
}
}
var tplData bytes.Buffer
err = tpl.Execute(&tplData, data)
if err != nil {
return
}
if foundMarkdown {
data["plaintext"], data["md"] = data["md"], data["plaintext"]
}
if key == "html" {
html = tplData.String()
} else if key == "text" {
text = tplData.String()
} else {
markdown = tplData.String()
}
}
return
}
func (emailer *Emailer) confirmationValues(code, username, key string, app *appContext, noSub bool) map[string]interface{} {
template := map[string]interface{}{
"clickBelow": emailer.lang.EmailConfirmation.get("clickBelow"),
"ifItWasNotYou": emailer.lang.Strings.get("ifItWasNotYou"),
"confirmEmail": emailer.lang.EmailConfirmation.get("confirmEmail"),
"message": "",
"username": username,
}
if noSub {
template["helloUser"] = emailer.lang.Strings.get("helloUser")
empty := []string{"confirmationURL"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
message := app.config.Section("messages").Key("message").String()
inviteLink := app.ExternalURI
if code == "" { // Personal email change
inviteLink = fmt.Sprintf("%s/my/confirm/%s", inviteLink, url.PathEscape(key))
} else { // Invite email confirmation
inviteLink = fmt.Sprintf("%s/invite/%s?key=%s", inviteLink, code, url.PathEscape(key))
}
template["helloUser"] = emailer.lang.Strings.template("helloUser", tmpl{"username": username})
template["confirmationURL"] = inviteLink
template["message"] = message
}
return template
}
func (emailer *Emailer) constructConfirmation(code, username, key string, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("email_confirmation").Key("subject").MustString(emailer.lang.EmailConfirmation.get("title")),
}
var err error
template := emailer.confirmationValues(code, username, key, app, noSub)
message := app.storage.MustGetCustomContentKey("EmailConfirmation")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "email_confirmation", "email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
// username is optional, but should only be passed once.
func (emailer *Emailer) constructTemplate(subject, md string, app *appContext, username ...string) (*Message, error) {
if len(username) != 0 {
md = templateEmail(md, []string{"{username}"}, nil, map[string]interface{}{"username": username[0]})
subject = templateEmail(subject, []string{"{username}"}, nil, map[string]interface{}{"username": username[0]})
}
email := &Message{Subject: subject}
html := markdown.ToHTML([]byte(md), nil, markdownRenderer)
text := stripMarkdown(md)
message := app.config.Section("messages").Key("message").String()
var err error
data := map[string]interface{}{
"text": template.HTML(html),
"plaintext": text,
"message": message,
"md": md,
}
if len(username) != 0 {
data["username"] = username[0]
}
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "template_email", "email_", data)
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) inviteValues(code string, invite Invite, app *appContext, noSub bool) map[string]interface{} {
expiry := invite.ValidTill
d, t, expiresIn := emailer.formatExpiry(expiry, false, app.datePattern, app.timePattern)
message := app.config.Section("messages").Key("message").String()
inviteLink := fmt.Sprintf("%s/invite/%s", app.ExternalURI, code)
template := map[string]interface{}{
"hello": emailer.lang.InviteEmail.get("hello"),
"youHaveBeenInvited": emailer.lang.InviteEmail.get("youHaveBeenInvited"),
"toJoin": emailer.lang.InviteEmail.get("toJoin"),
"linkButton": emailer.lang.InviteEmail.get("linkButton"),
"message": "",
"date": d,
"time": t,
"expiresInMinutes": expiresIn,
}
if noSub {
template["inviteExpiry"] = emailer.lang.InviteEmail.get("inviteExpiry")
empty := []string{"inviteURL"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["inviteExpiry"] = emailer.lang.InviteEmail.template("inviteExpiry", tmpl{"date": d, "time": t, "expiresInMinutes": expiresIn})
template["inviteURL"] = inviteLink
template["message"] = message
}
return template
}
func (emailer *Emailer) constructInvite(code string, invite Invite, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("invite_emails").Key("subject").MustString(emailer.lang.InviteEmail.get("title")),
}
template := emailer.inviteValues(code, invite, app, noSub)
var err error
message := app.storage.MustGetCustomContentKey("InviteEmail")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "invite_emails", "email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) expiryValues(code string, invite Invite, app *appContext, noSub bool) map[string]interface{} {
expiry := app.formatDatetime(invite.ValidTill)
template := map[string]interface{}{
"inviteExpired": emailer.lang.InviteExpiry.get("inviteExpired"),
"notificationNotice": emailer.lang.InviteExpiry.get("notificationNotice"),
"code": "\"" + code + "\"",
"time": expiry,
}
if noSub {
template["expiredAt"] = emailer.lang.InviteExpiry.get("expiredAt")
} else {
template["expiredAt"] = emailer.lang.InviteExpiry.template("expiredAt", tmpl{"code": template["code"].(string), "time": template["time"].(string)})
}
return template
}
func (emailer *Emailer) constructExpiry(code string, invite Invite, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: emailer.lang.InviteExpiry.get("title"),
}
var err error
template := emailer.expiryValues(code, invite, app, noSub)
message := app.storage.MustGetCustomContentKey("InviteExpiry")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "notifications", "expiry_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) createdValues(code, username, address string, invite Invite, app *appContext, noSub bool) map[string]interface{} {
template := map[string]interface{}{
"nameString": emailer.lang.Strings.get("name"),
"addressString": emailer.lang.Strings.get("emailAddress"),
"timeString": emailer.lang.UserCreated.get("time"),
"notificationNotice": "",
"code": "\"" + code + "\"",
}
if noSub {
template["aUserWasCreated"] = emailer.lang.UserCreated.get("aUserWasCreated")
empty := []string{"name", "address", "time"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
created := app.formatDatetime(invite.Created)
var tplAddress string
if app.config.Section("email").Key("no_username").MustBool(false) {
tplAddress = "n/a"
} else {
tplAddress = address
}
template["aUserWasCreated"] = emailer.lang.UserCreated.template("aUserWasCreated", tmpl{"code": template["code"].(string)})
template["name"] = username
template["address"] = tplAddress
template["time"] = created
template["notificationNotice"] = emailer.lang.UserCreated.get("notificationNotice")
}
return template
}
func (emailer *Emailer) constructCreated(code, username, address string, invite Invite, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: emailer.lang.UserCreated.get("title"),
}
template := emailer.createdValues(code, username, address, invite, app, noSub)
var err error
message := app.storage.MustGetCustomContentKey("UserCreated")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "notifications", "created_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) resetValues(pwr PasswordReset, app *appContext, noSub bool) map[string]interface{} {
d, t, expiresIn := emailer.formatExpiry(pwr.Expiry, true, app.datePattern, app.timePattern)
message := app.config.Section("messages").Key("message").String()
template := map[string]interface{}{
"someoneHasRequestedReset": emailer.lang.PasswordReset.get("someoneHasRequestedReset"),
"ifItWasNotYou": emailer.lang.Strings.get("ifItWasNotYou"),
"pinString": emailer.lang.PasswordReset.get("pin"),
"link_reset": false,
"message": "",
"username": pwr.Username,
"date": d,
"time": t,
"expiresInMinutes": expiresIn,
}
linkResetEnabled := app.config.Section("password_resets").Key("link_reset").MustBool(false)
if linkResetEnabled {
template["ifItWasYou"] = emailer.lang.PasswordReset.get("ifItWasYouLink")
} else {
template["ifItWasYou"] = emailer.lang.PasswordReset.get("ifItWasYou")
}
if noSub {
template["helloUser"] = emailer.lang.Strings.get("helloUser")
template["codeExpiry"] = emailer.lang.PasswordReset.get("codeExpiry")
empty := []string{"pin"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["helloUser"] = emailer.lang.Strings.template("helloUser", tmpl{"username": pwr.Username})
template["codeExpiry"] = emailer.lang.PasswordReset.template("codeExpiry", tmpl{"date": d, "time": t, "expiresInMinutes": expiresIn})
if linkResetEnabled {
pinLink, err := app.GenResetLink(pwr.Pin)
if err == nil {
// Strip /invite form end of this URL, ik its ugly.
template["link_reset"] = true
template["pin"] = pinLink
// Only used in html email.
template["pin_code"] = pwr.Pin
} else {
app.info.Println(lm.FailedGeneratePWRLink, err)
template["pin"] = pwr.Pin
}
} else {
template["pin"] = pwr.Pin
}
template["message"] = message
}
return template
}
func (emailer *Emailer) constructReset(pwr PasswordReset, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("password_resets").Key("subject").MustString(emailer.lang.PasswordReset.get("title")),
}
template := emailer.resetValues(pwr, app, noSub)
var err error
message := app.storage.MustGetCustomContentKey("PasswordReset")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "password_resets", "email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) deletedValues(reason string, app *appContext, noSub bool) map[string]interface{} {
template := map[string]interface{}{
"yourAccountWas": emailer.lang.UserDeleted.get("yourAccountWasDeleted"),
"reasonString": emailer.lang.Strings.get("reason"),
"message": "",
}
if noSub {
empty := []string{"reason"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["reason"] = reason
template["message"] = app.config.Section("messages").Key("message").String()
}
return template
}
func (emailer *Emailer) constructDeleted(reason string, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("deletion").Key("subject").MustString(emailer.lang.UserDeleted.get("title")),
}
var err error
template := emailer.deletedValues(reason, app, noSub)
message := app.storage.MustGetCustomContentKey("UserDeleted")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "deletion", "email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) disabledValues(reason string, app *appContext, noSub bool) map[string]interface{} {
template := map[string]interface{}{
"yourAccountWas": emailer.lang.UserDisabled.get("yourAccountWasDisabled"),
"reasonString": emailer.lang.Strings.get("reason"),
"message": "",
}
if noSub {
empty := []string{"reason"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["reason"] = reason
template["message"] = app.config.Section("messages").Key("message").String()
}
return template
}
func (emailer *Emailer) constructDisabled(reason string, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("disable_enable").Key("subject_disabled").MustString(emailer.lang.UserDisabled.get("title")),
}
var err error
template := emailer.disabledValues(reason, app, noSub)
message := app.storage.MustGetCustomContentKey("UserDisabled")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "disable_enable", "disabled_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) enabledValues(reason string, app *appContext, noSub bool) map[string]interface{} {
template := map[string]interface{}{
"yourAccountWas": emailer.lang.UserEnabled.get("yourAccountWasEnabled"),
"reasonString": emailer.lang.Strings.get("reason"),
"message": "",
}
if noSub {
empty := []string{"reason"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["reason"] = reason
template["message"] = app.config.Section("messages").Key("message").String()
}
return template
}
func (emailer *Emailer) constructEnabled(reason string, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("disable_enable").Key("subject_enabled").MustString(emailer.lang.UserEnabled.get("title")),
}
var err error
template := emailer.enabledValues(reason, app, noSub)
message := app.storage.MustGetCustomContentKey("UserEnabled")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "disable_enable", "enabled_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) expiryAdjustedValues(username string, expiry time.Time, reason string, app *appContext, noSub bool, custom bool) map[string]interface{} {
template := map[string]interface{}{
"yourExpiryWasAdjusted": emailer.lang.UserExpiryAdjusted.get("yourExpiryWasAdjusted"),
"ifPreviouslyDisabled": emailer.lang.UserExpiryAdjusted.get("ifPreviouslyDisabled"),
"reasonString": emailer.lang.Strings.get("reason"),
"newExpiry": "",
"message": "",
}
if noSub {
template["helloUser"] = emailer.lang.Strings.get("helloUser")
empty := []string{"reason", "newExpiry"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["reason"] = reason
template["message"] = app.config.Section("messages").Key("message").String()
template["helloUser"] = emailer.lang.Strings.template("helloUser", tmpl{"username": username})
exp := app.formatDatetime(expiry)
if !expiry.IsZero() {
if custom {
template["newExpiry"] = exp
} else if !expiry.IsZero() {
template["newExpiry"] = emailer.lang.UserExpiryAdjusted.template("newExpiry", tmpl{
"date": exp,
})
}
}
}
return template
}
func (emailer *Emailer) constructExpiryAdjusted(username string, expiry time.Time, reason string, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("user_expiry").Key("adjustment_subject").MustString(emailer.lang.UserExpiryAdjusted.get("title")),
}
var err error
var template map[string]interface{}
message := app.storage.MustGetCustomContentKey("UserExpiryAdjusted")
if message.Enabled {
template = emailer.expiryAdjustedValues(username, expiry, reason, app, noSub, true)
} else {
template = emailer.expiryAdjustedValues(username, expiry, reason, app, noSub, false)
}
if noSub {
template["newExpiry"] = emailer.lang.UserExpiryAdjusted.template("newExpiry", tmpl{
"date": "{newExpiry}",
})
}
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "user_expiry", "adjustment_email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) welcomeValues(username string, expiry time.Time, app *appContext, noSub bool, custom bool) map[string]interface{} {
template := map[string]interface{}{
"welcome": emailer.lang.WelcomeEmail.get("welcome"),
"youCanLoginWith": emailer.lang.WelcomeEmail.get("youCanLoginWith"),
"jellyfinURLString": emailer.lang.WelcomeEmail.get("jellyfinURL"),
"usernameString": emailer.lang.Strings.get("username"),
"message": "",
"yourAccountWillExpire": "",
}
if noSub {
empty := []string{"jellyfinURL", "username", "yourAccountWillExpire"}
for _, v := range empty {
template[v] = "{" + v + "}"
}
} else {
template["jellyfinURL"] = app.config.Section("jellyfin").Key("public_server").String()
template["username"] = username
template["message"] = app.config.Section("messages").Key("message").String()
exp := app.formatDatetime(expiry)
if !expiry.IsZero() {
if custom {
template["yourAccountWillExpire"] = exp
} else if !expiry.IsZero() {
template["yourAccountWillExpire"] = emailer.lang.WelcomeEmail.template("yourAccountWillExpire", tmpl{
"date": exp,
})
}
}
}
return template
}
func (emailer *Emailer) constructWelcome(username string, expiry time.Time, app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("welcome_email").Key("subject").MustString(emailer.lang.WelcomeEmail.get("title")),
}
var err error
var template map[string]interface{}
message := app.storage.MustGetCustomContentKey("WelcomeEmail")
if message.Enabled {
template = emailer.welcomeValues(username, expiry, app, noSub, true)
} else {
template = emailer.welcomeValues(username, expiry, app, noSub, false)
}
if noSub {
template["yourAccountWillExpire"] = emailer.lang.WelcomeEmail.template("yourAccountWillExpire", tmpl{
"date": "{yourAccountWillExpire}",
})
}
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
message.Conditionals,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "welcome_email", "email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
func (emailer *Emailer) userExpiredValues(app *appContext, noSub bool) map[string]interface{} {
template := map[string]interface{}{
"yourAccountHasExpired": emailer.lang.UserExpired.get("yourAccountHasExpired"),
"contactTheAdmin": emailer.lang.UserExpired.get("contactTheAdmin"),
"message": "",
}
if !noSub {
template["message"] = app.config.Section("messages").Key("message").String()
}
return template
}
func (emailer *Emailer) constructUserExpired(app *appContext, noSub bool) (*Message, error) {
email := &Message{
Subject: app.config.Section("user_expiry").Key("subject").MustString(emailer.lang.UserExpired.get("title")),
}
var err error
template := emailer.userExpiredValues(app, noSub)
message := app.storage.MustGetCustomContentKey("UserExpired")
if message.Enabled {
content := templateEmail(
message.Content,
message.Variables,
nil,
template,
)
email, err = emailer.constructTemplate(email.Subject, content, app)
} else {
email.HTML, email.Text, email.Markdown, err = emailer.construct(app, "user_expiry", "email_", template)
}
if err != nil {
return nil, err
}
return email, nil
}
// calls the send method in the underlying emailClient.
func (emailer *Emailer) send(email *Message, address ...string) error {
return emailer.sender.Send(emailer.fromName, emailer.fromAddr, email, address...)
}
func (app *appContext) sendByID(email *Message, ID ...string) (err error) {
for _, id := range ID {
if tgChat, ok := app.storage.GetTelegramKey(id); ok && tgChat.Contact && telegramEnabled {
err = app.telegram.Send(email, tgChat.ChatID)
// if err != nil {
// return err
// }
}
if dcChat, ok := app.storage.GetDiscordKey(id); ok && dcChat.Contact && discordEnabled {
err = app.discord.Send(email, dcChat.ChannelID)
// if err != nil {
// return err
// }
}
if mxChat, ok := app.storage.GetMatrixKey(id); ok && mxChat.Contact && matrixEnabled {
err = app.matrix.Send(email, mxChat)
// if err != nil {
// return err
// }
}
if address, ok := app.storage.GetEmailsKey(id); ok && address.Contact && emailEnabled {
err = app.email.send(email, address.Addr)
// if err != nil {
// return err
// }
}
// if err != nil {
// return err
// }
}
return
}
func (app *appContext) getAddressOrName(jfID string) string {
if dcChat, ok := app.storage.GetDiscordKey(jfID); ok && dcChat.Contact && discordEnabled {
return RenderDiscordUsername(dcChat)
}
if tgChat, ok := app.storage.GetTelegramKey(jfID); ok && tgChat.Contact && telegramEnabled {
return "@" + tgChat.Username
}
if addr, ok := app.storage.GetEmailsKey(jfID); ok {
return addr.Addr
}
if mxChat, ok := app.storage.GetMatrixKey(jfID); ok && mxChat.Contact && matrixEnabled {
return mxChat.UserID
}
return ""
}
// ReverseUserSearch returns the jellyfin ID of the user with the given username, email, or contact method username.
// returns "" if none found. returns only the first match, might be an issue if there are users with the same contact method usernames.
func (app *appContext) ReverseUserSearch(address string, matchUsername, matchEmail, matchContactMethod bool) (user mediabrowser.User, ok bool) {
ok = false
var err error = nil
if matchUsername {
user, err = app.jf.UserByName(address, false)
if err == nil {
ok = true
return
}
}
if matchEmail {
emailAddresses := []EmailAddress{}
err = app.storage.db.Find(&emailAddresses, badgerhold.Where("Addr").Eq(address))
if err == nil && len(emailAddresses) > 0 {
for _, emailUser := range emailAddresses {
user, err = app.jf.UserByID(emailUser.JellyfinID, false)
if err == nil {
ok = true
return
}
}
}
}
// Dont know how we'd use badgerhold when we need to render each username,
// Apart from storing the rendered name in the db.
if matchContactMethod {
for _, dcUser := range app.storage.GetDiscord() {
if RenderDiscordUsername(dcUser) == strings.ToLower(address) {
user, err = app.jf.UserByID(dcUser.JellyfinID, false)
if err == nil {
ok = true
return
}
}
}