fix mistype in german email

Uses a nasty algorithm found in stripmd.go to change all occurrences
of '[linktext](link)' to just 'link' before passing to a decent markdown
stripper.

api.go

@@ -126,7 +126,7 @@ func (app *appContext) checkInvites() {
 				wait.Add(1)
 				go func(addr string) {
 					defer wait.Done()
-					msg, err := app.email.constructExpiry(code, data, app)
+					msg, err := app.email.constructExpiry(code, data, app, false)
 					if err != nil {
 						app.err.Printf("%s: Failed to construct expiry notification: %s", code, err)
 					} else if err := app.email.send(msg, addr); err != nil {
@@ -163,7 +163,7 @@ func (app *appContext) checkInvite(code string, used bool, username string) bool
 			for address, settings := range notify {
 				if settings["notify-expiry"] {
 					go func() {
-						msg, err := app.email.constructExpiry(code, inv, app)
+						msg, err := app.email.constructExpiry(code, inv, app, false)
 						if err != nil {
 							app.err.Printf("%s: Failed to construct expiry notification: %s", code, err)
 						} else if err := app.email.send(msg, address); err != nil {
@@ -295,7 +295,7 @@ func (app *appContext) NewUserAdmin(gc *gin.Context) {
 	}
 	if emailEnabled && app.config.Section("welcome_email").Key("enabled").MustBool(false) && req.Email != "" {
 		app.debug.Printf("%s: Sending welcome email to %s", req.Username, req.Email)
-		msg, err := app.email.constructWelcome(req.Username, app)
+		msg, err := app.email.constructWelcome(req.Username, app, false)
 		if err != nil {
 			app.err.Printf("%s: Failed to construct welcome email: %s", req.Username, err)
 			respondUser(500, true, false, err.Error(), gc)
@@ -351,7 +351,7 @@ func (app *appContext) newUser(req newUserDTO, confirmed bool) (f errorFunc, suc
 		f = func(gc *gin.Context) {
 			app.debug.Printf("%s: Email confirmation required", req.Code)
 			respond(401, "confirmEmail", gc)
-			msg, err := app.email.constructConfirmation(req.Code, req.Username, key, app)
+			msg, err := app.email.constructConfirmation(req.Code, req.Username, key, app, false)
 			if err != nil {
 				app.err.Printf("%s: Failed to construct confirmation email: %s", req.Code, err)
 			} else if err := app.email.send(msg, req.Email); err != nil {
@@ -380,7 +380,7 @@ func (app *appContext) newUser(req newUserDTO, confirmed bool) (f errorFunc, suc
 		for address, settings := range invite.Notify {
 			if settings["notify-creation"] {
 				go func() {
-					msg, err := app.email.constructCreated(req.Code, req.Username, req.Email, invite, app)
+					msg, err := app.email.constructCreated(req.Code, req.Username, req.Email, invite, app, false)
 					if err != nil {
 						app.err.Printf("%s: Failed to construct user creation notification: %s", req.Code, err)
 					} else if err := app.email.send(msg, address); err != nil {
@@ -436,7 +436,7 @@ func (app *appContext) newUser(req newUserDTO, confirmed bool) (f errorFunc, suc
 	}
 	if emailEnabled && app.config.Section("welcome_email").Key("enabled").MustBool(false) && req.Email != "" {
 		app.debug.Printf("%s: Sending welcome email to %s", req.Username, req.Email)
-		msg, err := app.email.constructWelcome(req.Username, app)
+		msg, err := app.email.constructWelcome(req.Username, app, false)
 		if err != nil {
 			app.err.Printf("%s: Failed to construct welcome email: %s", req.Username, err)
 		} else if err := app.email.send(msg, req.Email); err != nil {
@@ -516,7 +516,7 @@ func (app *appContext) Announce(gc *gin.Context) {
 		}
 		addresses = append(addresses, addr.(string))
 	}
-	msg, err := app.email.constructAnnouncement(req.Subject, req.Message, app)
+	msg, err := app.email.constructTemplate(req.Subject, req.Message, app)
 	if err != nil {
 		app.err.Printf("Failed to construct announcement emails: %s", err)
 		respondBool(500, false, gc)
@@ -576,7 +576,7 @@ func (app *appContext) DeleteUsers(gc *gin.Context) {
 	}
 	if len(addresses) != 0 {
 		go func(reason string, addresses []string) {
-			msg, err := app.email.constructDeleted(reason, app)
+			msg, err := app.email.constructDeleted(reason, app, false)
 			if err != nil {
 				app.err.Printf("Failed to construct account deletion emails: %s", err)
 			} else if err := app.email.send(msg, addresses...); err != nil {
@@ -638,7 +638,7 @@ func (app *appContext) GenerateInvite(gc *gin.Context) {
 	if emailEnabled && req.Email != "" && app.config.Section("invite_emails").Key("enabled").MustBool(false) {
 		app.debug.Printf("%s: Sending invite email", inviteCode)
 		invite.Email = req.Email
-		msg, err := app.email.constructInvite(inviteCode, invite, app)
+		msg, err := app.email.constructInvite(inviteCode, invite, app, false)
 		if err != nil {
 			invite.Email = fmt.Sprintf("Failed to send to %s", req.Email)
 			app.err.Printf("%s: Failed to construct invite email: %s", inviteCode, err)
@@ -1269,6 +1269,239 @@ func (app *appContext) ModifyConfig(gc *gin.Context) {
 	}
 }
 
+// @Summary Get a list of email names and IDs.
+// @Produce json
+// @Success 200 {object} emailListDTO
+// @Router /config/emails [get]
+// @tags Configuration
+func (app *appContext) GetEmails(gc *gin.Context) {
+	gc.JSON(200, emailListDTO{
+		"UserCreated":       app.storage.lang.Email["en-us"].UserCreated["name"],
+		"InviteExpiry":      app.storage.lang.Email["en-us"].InviteExpiry["name"],
+		"PasswordReset":     app.storage.lang.Email["en-us"].PasswordReset["name"],
+		"UserDeleted":       app.storage.lang.Email["en-us"].UserDeleted["name"],
+		"InviteEmail":       app.storage.lang.Email["en-us"].InviteEmail["name"],
+		"WelcomeEmail":      app.storage.lang.Email["en-us"].WelcomeEmail["name"],
+		"EmailConfirmation": app.storage.lang.Email["en-us"].EmailConfirmation["name"],
+	})
+}
+
+// @Summary Sets the corresponding custom email.
+// @Produce json
+// @Param customEmail body customEmail true "Content = email (in markdown)."
+// @Success 200 {object} boolResponse
+// @Failure 400 {object} boolResponse
+// @Failure 500 {object} boolResponse
+// @Router /config/emails/{id} [post]
+// @tags Configuration
+func (app *appContext) SetEmail(gc *gin.Context) {
+	var req customEmail
+	gc.BindJSON(&req)
+	id := gc.Param("id")
+	if req.Content == "" {
+		respondBool(400, false, gc)
+		return
+	}
+	if id == "UserCreated" {
+		app.storage.customEmails.UserCreated.Content = req.Content
+		app.storage.customEmails.UserCreated.Enabled = true
+	} else if id == "InviteExpiry" {
+		app.storage.customEmails.InviteExpiry.Content = req.Content
+		app.storage.customEmails.InviteExpiry.Enabled = true
+	} else if id == "PasswordReset" {
+		app.storage.customEmails.PasswordReset.Content = req.Content
+		app.storage.customEmails.PasswordReset.Enabled = true
+	} else if id == "UserDeleted" {
+		app.storage.customEmails.UserDeleted.Content = req.Content
+		app.storage.customEmails.UserDeleted.Enabled = true
+	} else if id == "InviteEmail" {
+		app.storage.customEmails.InviteEmail.Content = req.Content
+		app.storage.customEmails.InviteEmail.Enabled = true
+	} else if id == "WelcomeEmail" {
+		app.storage.customEmails.WelcomeEmail.Content = req.Content
+		app.storage.customEmails.WelcomeEmail.Enabled = true
+	} else if id == "EmailConfirmation" {
+		app.storage.customEmails.EmailConfirmation.Content = req.Content
+		app.storage.customEmails.EmailConfirmation.Enabled = true
+	} else {
+		respondBool(400, false, gc)
+		return
+	}
+	if app.storage.storeCustomEmails() != nil {
+		respondBool(500, false, gc)
+		return
+	}
+	respondBool(200, true, gc)
+}
+
+// @Summary Enable/Disable custom email.
+// @Produce json
+// @Success 200 {object} boolResponse
+// @Failure 400 {object} boolResponse
+// @Failure 500 {object} boolResponse
+// @Router /config/emails/{id}/{enable/disable} [post]
+// @tags Configuration
+func (app *appContext) SetEmailState(gc *gin.Context) {
+	id := gc.Param("id")
+	s := gc.Param("state")
+	enabled := false
+	if s == "enable" {
+		enabled = true
+	} else if s != "disable" {
+		respondBool(400, false, gc)
+	}
+	if id == "UserCreated" {
+		app.storage.customEmails.UserCreated.Enabled = enabled
+	} else if id == "InviteExpiry" {
+		app.storage.customEmails.InviteExpiry.Enabled = enabled
+	} else if id == "PasswordReset" {
+		app.storage.customEmails.PasswordReset.Enabled = enabled
+	} else if id == "UserDeleted" {
+		app.storage.customEmails.UserDeleted.Enabled = enabled
+	} else if id == "InviteEmail" {
+		app.storage.customEmails.InviteEmail.Enabled = enabled
+	} else if id == "WelcomeEmail" {
+		app.storage.customEmails.WelcomeEmail.Enabled = enabled
+	} else if id == "EmailConfirmation" {
+		app.storage.customEmails.EmailConfirmation.Enabled = enabled
+	} else {
+		respondBool(400, false, gc)
+		return
+	}
+	if app.storage.storeCustomEmails() != nil {
+		respondBool(500, false, gc)
+		return
+	}
+	respondBool(200, true, gc)
+}
+
+// @Summary Returns the boilerplate email and list of used variables in it.
+// @Produce json
+// @Success 200 {object} customEmail
+// @Failure 400 {object} boolResponse
+// @Failure 500 {object} boolResponse
+// @Router /config/emails/{id} [get]
+// @tags Configuration
+func (app *appContext) GetEmail(gc *gin.Context) {
+	id := gc.Param("id")
+	var content string
+	var err error
+	var msg *Email
+	var variables []string
+	var writeVars func(variables []string)
+	newEmail := false
+	if id == "UserCreated" {
+		content = app.storage.customEmails.UserCreated.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructCreated("", "", "", Invite{}, app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.UserCreated.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.UserCreated.Variables = variables }
+		// app.storage.customEmails.UserCreated = content
+	} else if id == "InviteExpiry" {
+		content = app.storage.customEmails.InviteExpiry.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructExpiry("", Invite{}, app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.InviteExpiry.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.InviteExpiry.Variables = variables }
+		// app.storage.customEmails.InviteExpiry = content
+	} else if id == "PasswordReset" {
+		content = app.storage.customEmails.PasswordReset.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructReset(PasswordReset{}, app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.PasswordReset.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.PasswordReset.Variables = variables }
+		// app.storage.customEmails.PasswordReset = content
+	} else if id == "UserDeleted" {
+		content = app.storage.customEmails.UserDeleted.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructDeleted("", app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.UserDeleted.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.UserDeleted.Variables = variables }
+		// app.storage.customEmails.UserDeleted = content
+	} else if id == "InviteEmail" {
+		content = app.storage.customEmails.InviteEmail.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructInvite("", Invite{}, app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.InviteEmail.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.InviteEmail.Variables = variables }
+		// app.storage.customEmails.InviteEmail = content
+	} else if id == "WelcomeEmail" {
+		content = app.storage.customEmails.WelcomeEmail.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructWelcome("", app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.WelcomeEmail.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.WelcomeEmail.Variables = variables }
+		// app.storage.customEmails.WelcomeEmail = content
+	} else if id == "EmailConfirmation" {
+		content = app.storage.customEmails.EmailConfirmation.Content
+		if content == "" {
+			newEmail = true
+			msg, err = app.email.constructConfirmation("", "", "", app, true)
+			content = msg.text
+		} else {
+			variables = app.storage.customEmails.EmailConfirmation.Variables
+		}
+		writeVars = func(variables []string) { app.storage.customEmails.EmailConfirmation.Variables = variables }
+		// app.storage.customEmails.EmailConfirmation = content
+	} else {
+		respondBool(400, false, gc)
+		return
+	}
+	if err != nil {
+		respondBool(500, false, gc)
+		return
+	}
+	if newEmail {
+		variables = make([]string, strings.Count(content, "{"))
+		i := 0
+		found := false
+		buf := ""
+		for _, c := range content {
+			if !found && c != '{' && c != '}' {
+				continue
+			}
+			found = true
+			buf += string(c)
+			if c == '}' {
+				found = false
+				variables[i] = buf
+				buf = ""
+				i++
+			}
+		}
+		writeVars(variables)
+	}
+	if app.storage.storeCustomEmails() != nil {
+		respondBool(500, false, gc)
+		return
+	}
+	gc.JSON(200, customEmail{Content: content, Variables: variables})
+}
+
 // @Summary Logout by deleting refresh token from cookies.
 // @Produce json
 // @Success 200 {object} boolResponse
@@ -1291,7 +1524,7 @@ func (app *appContext) Logout(gc *gin.Context) {
 // @Produce json
 // @Success 200 {object} langDTO
 // @Failure 500 {object} stringResponse
-// @Router /lang [get]
+// @Router /lang/{page} [get]
 // @tags Other
 func (app *appContext) GetLanguages(gc *gin.Context) {
 	page := gc.Param("page")

config.go

@@ -32,11 +32,12 @@ func (app *appContext) loadConfig() error {
 	app.config.Section("jellyfin").Key("public_server").SetValue(app.config.Section("jellyfin").Key("public_server").MustString(app.config.Section("jellyfin").Key("server").String()))
 
 	for _, key := range app.config.Section("files").Keys() {
-		if key.Name() != "html_templates" {
+		if name := key.Name(); name != "html_templates" && name != "lang_files" {
+			fmt.Println(name)
 			key.SetValue(key.MustString(filepath.Join(app.dataPath, (key.Name() + ".json"))))
 		}
 	}
-	for _, key := range []string{"user_configuration", "user_displayprefs", "user_profiles", "ombi_template", "invites", "emails", "user_template"} {
+	for _, key := range []string{"user_configuration", "user_displayprefs", "user_profiles", "ombi_template", "invites", "emails", "user_template", "custom_emails"} {
 		app.config.Section("files").Key(key).SetValue(app.config.Section("files").Key(key).MustString(filepath.Join(app.dataPath, (key + ".json"))))
 	}
 	app.URLBase = strings.TrimSuffix(app.config.Section("ui").Key("url_base").MustString(""), "/")
@@ -63,8 +64,8 @@ func (app *appContext) loadConfig() error {
 	app.config.Section("welcome_email").Key("email_html").SetValue(app.config.Section("welcome_email").Key("email_html").MustString("jfa-go:" + "welcome.html"))
 	app.config.Section("welcome_email").Key("email_text").SetValue(app.config.Section("welcome_email").Key("email_text").MustString("jfa-go:" + "welcome.txt"))
 
-	app.config.Section("announcement_email").Key("email_html").SetValue(app.config.Section("announcement_email").Key("email_html").MustString("jfa-go:" + "announcement.html"))
-	app.config.Section("announcement_email").Key("email_text").SetValue(app.config.Section("announcement_email").Key("email_text").MustString("jfa-go:" + "announcement.txt"))
+	app.config.Section("template_email").Key("email_html").SetValue(app.config.Section("template_email").Key("email_html").MustString("jfa-go:" + "template.html"))
+	app.config.Section("template_email").Key("email_text").SetValue(app.config.Section("template_email").Key("email_text").MustString("jfa-go:" + "template.txt"))
 
 	app.config.Section("jellyfin").Key("version").SetValue(VERSION)
 	app.config.Section("jellyfin").Key("device").SetValue("jfa-go")
@@ -76,6 +77,9 @@ func (app *appContext) loadConfig() error {
 		emailEnabled = true
 	}
 
+	app.storage.customEmails_path = app.config.Section("files").Key("custom_emails").String()
+	app.storage.loadCustomEmails()
+
 	substituteStrings = app.config.Section("jellyfin").Key("substitute_jellyfin_strings").MustString("")
 
 	oldFormLang := app.config.Section("ui").Key("language").MustString("")

config/config-base.json

@@ -853,6 +853,14 @@
                     "type": "text",
                     "value": "",
                     "description": "The path to a directory which following the same form as the internal 'lang/' directory. See GitHub for more info."
+                },
+                "custom_emails": {
+                    "name": "Custom email content",
+                    "required": false,
+                    "requires_restart": false,
+                    "type": "text",
+                    "value": "",
+                    "description": "JSON file generated by program in settings, different from email_html/email_text. See wiki for more info."
                 }
             }
         }

email.go

@@ -18,7 +18,6 @@ import (
 	jEmail "github.com/jordan-wright/email"
 	"github.com/knz/strtime"
 	"github.com/mailgun/mailgun-go/v4"
-	stripmd "github.com/writeas/go-strip-markdown"
 )
 
 // implements email sending, right now via smtp or mailgun.
@@ -212,36 +211,58 @@ func (emailer *Emailer) construct(app *appContext, section, keyFragment string,
 	return
 }
 
-func (emailer *Emailer) constructConfirmation(code, username, key string, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructConfirmation(code, username, key string, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: app.config.Section("email_confirmation").Key("subject").MustString(emailer.lang.EmailConfirmation.get("title")),
 	}
-	message := app.config.Section("email").Key("message").String()
-	inviteLink := app.config.Section("invite_emails").Key("url_base").String()
-	inviteLink = fmt.Sprintf("%s/%s?key=%s", inviteLink, code, key)
 	var err error
-	email.html, email.text, err = emailer.construct(app, "email_confirmation", "email_", map[string]interface{}{
-		"helloUser":     emailer.lang.Strings.template("helloUser", tmpl{"username": username}),
+	template := map[string]interface{}{
 		"clickBelow":    emailer.lang.EmailConfirmation.get("clickBelow"),
 		"ifItWasNotYou": emailer.lang.Strings.get("ifItWasNotYou"),
-		"urlVal":        inviteLink,
 		"confirmEmail":  emailer.lang.EmailConfirmation.get("confirmEmail"),
-		"message":       message,
-	})
+		"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("email").Key("message").String()
+		inviteLink := app.config.Section("invite_emails").Key("url_base").String()
+		inviteLink = fmt.Sprintf("%s/%s?key=%s", inviteLink, code, key)
+		template["helloUser"] = emailer.lang.Strings.template("helloUser", tmpl{"username": username})
+		template["confirmationURL"] = inviteLink
+		template["message"] = message
+	}
+	if app.storage.customEmails.EmailConfirmation.Enabled {
+		content := app.storage.customEmails.EmailConfirmation.Content
+		for _, v := range app.storage.customEmails.EmailConfirmation.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "email_confirmation", "email_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
 	return email, nil
 }
 
-func (emailer *Emailer) constructAnnouncement(subject, md string, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructTemplate(subject, md string, app *appContext) (*Email, error) {
 	email := &Email{subject: subject}
 	renderer := html.NewRenderer(html.RendererOptions{Flags: html.Smartypants})
 	html := markdown.ToHTML([]byte(md), nil, renderer)
-	text := strings.TrimPrefix(strings.TrimSuffix(stripmd.Strip(md), "</p>"), "<p>")
+	text := stripMarkdown(md)
 	message := app.config.Section("email").Key("message").String()
 	var err error
-	email.html, email.text, err = emailer.construct(app, "announcement_email", "email_", map[string]interface{}{
+	email.html, email.text, err = emailer.construct(app, "template_email", "email_", map[string]interface{}{
 		"text":      template.HTML(html),
 		"plaintext": text,
 		"message":   message,
@@ -252,7 +273,7 @@ func (emailer *Emailer) constructAnnouncement(subject, md string, app *appContex
 	return email, nil
 }
 
-func (emailer *Emailer) constructInvite(code string, invite Invite, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructInvite(code string, invite Invite, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: app.config.Section("email_confirmation").Key("subject").MustString(emailer.lang.InviteEmail.get("title")),
 	}
@@ -261,120 +282,251 @@ func (emailer *Emailer) constructInvite(code string, invite Invite, app *appCont
 	message := app.config.Section("email").Key("message").String()
 	inviteLink := app.config.Section("invite_emails").Key("url_base").String()
 	inviteLink = fmt.Sprintf("%s/%s", inviteLink, code)
-	var err error
-	email.html, email.text, err = emailer.construct(app, "invite_emails", "email_", map[string]interface{}{
+	template := map[string]interface{}{
 		"hello":              emailer.lang.InviteEmail.get("hello"),
 		"youHaveBeenInvited": emailer.lang.InviteEmail.get("youHaveBeenInvited"),
 		"toJoin":             emailer.lang.InviteEmail.get("toJoin"),
-		"inviteExpiry":       emailer.lang.InviteEmail.template("inviteExpiry", tmpl{"date": d, "time": t, "expiresInMinutes": expiresIn}),
 		"linkButton":         emailer.lang.InviteEmail.get("linkButton"),
-		"invite_link":        inviteLink,
-		"message":            message,
-	})
+		"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
+	}
+	var err error
+	if app.storage.customEmails.InviteEmail.Enabled {
+		content := app.storage.customEmails.InviteEmail.Content
+		for _, v := range app.storage.customEmails.InviteEmail.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "invite_emails", "email_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
 	return email, nil
 }
 
-func (emailer *Emailer) constructExpiry(code string, invite Invite, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructExpiry(code string, invite Invite, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: emailer.lang.InviteExpiry.get("title"),
 	}
 	expiry := app.formatDatetime(invite.ValidTill)
-	var err error
-	email.html, email.text, err = emailer.construct(app, "notifications", "expiry_", map[string]interface{}{
+	template := map[string]interface{}{
 		"inviteExpired":      emailer.lang.InviteExpiry.get("inviteExpired"),
-		"expiredAt":          emailer.lang.InviteExpiry.template("expiredAt", tmpl{"code": "\"" + code + "\"", "time": expiry}),
 		"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)})
+	}
+	var err error
+	if app.storage.customEmails.InviteExpiry.Enabled {
+		content := app.storage.customEmails.InviteExpiry.Content
+		for _, v := range app.storage.customEmails.InviteExpiry.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "notifications", "expiry_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
 	return email, nil
 }
 
-func (emailer *Emailer) constructCreated(code, username, address string, invite Invite, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructCreated(code, username, address string, invite Invite, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: emailer.lang.UserCreated.get("title"),
 	}
-	created := app.formatDatetime(invite.Created)
-	var tplAddress string
-	if app.config.Section("email").Key("no_username").MustBool(false) {
-		tplAddress = "n/a"
+	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 {
-		tplAddress = address
+		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")
 	}
 	var err error
-	email.html, email.text, err = emailer.construct(app, "notifications", "created_", map[string]interface{}{
-		"aUserWasCreated":    emailer.lang.UserCreated.template("aUserWasCreated", tmpl{"code": "\"" + code + "\""}),
-		"name":               emailer.lang.Strings.get("name"),
-		"address":            emailer.lang.Strings.get("emailAddress"),
-		"time":               emailer.lang.UserCreated.get("time"),
-		"nameVal":            username,
-		"addressVal":         tplAddress,
-		"timeVal":            created,
-		"notificationNotice": emailer.lang.UserCreated.get("notificationNotice"),
-	})
+	if app.storage.customEmails.UserCreated.Enabled {
+		content := app.storage.customEmails.UserCreated.Content
+		for _, v := range app.storage.customEmails.UserCreated.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "notifications", "created_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
 	return email, nil
 }
 
-func (emailer *Emailer) constructReset(pwr PasswordReset, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructReset(pwr PasswordReset, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: app.config.Section("password_resets").Key("subject").MustString(emailer.lang.PasswordReset.get("title")),
 	}
 	d, t, expiresIn := emailer.formatExpiry(pwr.Expiry, true, app.datePattern, app.timePattern)
 	message := app.config.Section("email").Key("message").String()
-	var err error
-	email.html, email.text, err = emailer.construct(app, "password_resets", "email_", map[string]interface{}{
-		"helloUser":                emailer.lang.Strings.template("helloUser", tmpl{"username": pwr.Username}),
+	template := map[string]interface{}{
 		"someoneHasRequestedReset": emailer.lang.PasswordReset.get("someoneHasRequestedReset"),
 		"ifItWasYou":               emailer.lang.PasswordReset.get("ifItWasYou"),
-		"codeExpiry":               emailer.lang.PasswordReset.template("codeExpiry", tmpl{"date": d, "time": t, "expiresInMinutes": expiresIn}),
 		"ifItWasNotYou":            emailer.lang.Strings.get("ifItWasNotYou"),
-		"pin":                      emailer.lang.PasswordReset.get("pin"),
-		"pinVal":                   pwr.Pin,
-		"message":                  message,
-	})
+		"pinString":                emailer.lang.PasswordReset.get("pin"),
+		"message":                  "",
+		"username":                 pwr.Username,
+		"date":                     d,
+		"time":                     t,
+		"expiresInMinutes":         expiresIn,
+	}
+	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})
+		template["pin"] = pwr.Pin
+		template["message"] = message
+	}
+	var err error
+	if app.storage.customEmails.PasswordReset.Enabled {
+		content := app.storage.customEmails.PasswordReset.Content
+		for _, v := range app.storage.customEmails.PasswordReset.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "password_resets", "email_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
 	return email, nil
 }
 
-func (emailer *Emailer) constructDeleted(reason string, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructDeleted(reason string, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: app.config.Section("deletion").Key("subject").MustString(emailer.lang.UserDeleted.get("title")),
 	}
-	var err error
-	email.html, email.text, err = emailer.construct(app, "deletion", "email_", map[string]interface{}{
+	template := map[string]interface{}{
 		"yourAccountWasDeleted": emailer.lang.UserDeleted.get("yourAccountWasDeleted"),
-		"reason":                emailer.lang.UserDeleted.get("reason"),
-		"reasonVal":             reason,
-	})
+		"reasonString":          emailer.lang.UserDeleted.get("reason"),
+		"message":               "",
+	}
+	if noSub {
+		empty := []string{"reason"}
+		for _, v := range empty {
+			template[v] = "{" + v + "}"
+		}
+	} else {
+		template["reason"] = reason
+		template["message"] = app.config.Section("email").Key("message").String()
+	}
+	var err error
+	if app.storage.customEmails.UserDeleted.Enabled {
+		content := app.storage.customEmails.UserDeleted.Content
+		for _, v := range app.storage.customEmails.UserDeleted.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "deletion", "email_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
 	return email, nil
 }
 
-func (emailer *Emailer) constructWelcome(username string, app *appContext) (*Email, error) {
+func (emailer *Emailer) constructWelcome(username string, app *appContext, noSub bool) (*Email, error) {
 	email := &Email{
 		subject: app.config.Section("welcome_email").Key("subject").MustString(emailer.lang.WelcomeEmail.get("title")),
 	}
+	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":           "",
+	}
+	if noSub {
+		empty := []string{"jellyfinURL", "username"}
+		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("email").Key("message").String()
+	}
 	var err error
-	email.html, email.text, err = emailer.construct(app, "welcome_email", "email_", map[string]interface{}{
-		"welcome":         emailer.lang.WelcomeEmail.get("welcome"),
-		"youCanLoginWith": emailer.lang.WelcomeEmail.get("youCanLoginWith"),
-		"jellyfinURL":     emailer.lang.WelcomeEmail.get("jellyfinURL"),
-		"jellyfinURLVal":  app.config.Section("jellyfin").Key("public_server").String(),
-		"username":        emailer.lang.Strings.get("username"),
-		"usernameVal":     username,
-		"message":         app.config.Section("email").Key("message").String(),
-	})
+	if app.storage.customEmails.WelcomeEmail.Enabled {
+		content := app.storage.customEmails.WelcomeEmail.Content
+		for _, v := range app.storage.customEmails.WelcomeEmail.Variables {
+			replaceWith, ok := template[v[1:len(v)-1]]
+			if ok {
+				content = strings.ReplaceAll(content, v, replaceWith.(string))
+			}
+		}
+		email, err = emailer.constructTemplate(email.subject, content, app)
+	} else {
+		email.html, email.text, err = emailer.construct(app, "welcome_email", "email_", template)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -383,5 +535,6 @@ func (emailer *Emailer) constructWelcome(username string, app *appContext) (*Ema
 
 // calls the send method in the underlying emailClient.
 func (emailer *Emailer) send(email *Email, address ...string) error {
+	fmt.Printf("%+v\n", email)
 	return emailer.sender.send(emailer.fromName, emailer.fromAddr, email, address...)
 }

lang.go

@@ -120,14 +120,18 @@ func (ls *setupLangs) getOptions() [][2]string {
 type langSection map[string]string
 type tmpl map[string]string
 
-func (el langSection) template(field string, vals tmpl) string {
-	text := el.get(field)
+func templateString(text string, vals tmpl) string {
 	for key, val := range vals {
 		text = strings.ReplaceAll(text, "{"+key+"}", val)
 	}
 	return text
 }
 
+func (el langSection) template(field string, vals tmpl) string {
+	text := el.get(field)
+	return templateString(text, vals)
+}
+
 func (el langSection) format(field string, vals ...string) string {
 	text := el.get(field)
 	for _, val := range vals {

lang/email/de-de.json

@@ -8,21 +8,21 @@
     },
     "userCreated": {
         "title": "Mitteilung: Benutzer erstellt",
-        "aUserWasCreated": "Ein Benutzer wurde unter Verwendung des Codes {n] erstellt.",
+        "aUserWasCreated": "Ein Benutzer wurde unter Verwendung des Codes {code} erstellt.",
         "time": "Zeit",
         "notificationNotice": "Hinweis: Benachrichtigungs-E-Mails können auf dem Administrator-Dashboard umgeschalten werden."
     },
     "inviteExpiry": {
         "title": "Mitteilung: Invite abgelaufen",
         "inviteExpired": "Invite abgelaufen.",
-        "expiredAt": "Code {code} lief um {code} ab.",
+        "expiredAt": "Code {code} lief um {time} ab.",
         "notificationNotice": "Hinweis: Benachrichtigungs-E-Mails können auf dem Administrator-Dashboard umgeschalten werden."
     },
     "passwordReset": {
         "title": "Passwortzurücksetzung angefordert - Jellyfin",
         "someoneHasRequestedReset": "Jemand hat vor kurzem eine Passwortzurücksetzung auf Jellyfin angefordert.",
         "ifItWasYou": "Wenn du das warst, gib die PIN unten in die Eingabeaufforderung ein.",
-        "codeExpiry": "Der Code wird am {time}, um [n} UTC ablaufen, was in {date} ist.",
+        "codeExpiry": "Der Code wird am {date}, um {time} UTC ablaufen, was in {expiresInMinutes} ist.",
         "pin": "PIN"
     },
     "userDeleted": {
@@ -35,7 +35,7 @@
         "hello": "Hallo",
         "youHaveBeenInvited": "Du wurdest zu Jellyfin eingeladen.",
         "toJoin": "Um beizutreten, folge dem untenstehenden Link.",
-        "inviteExpiry": "Dieser Invite wird am {time}; um {expiresInMinutes} ablaufen, was in {date} ist, also handle schnell.",
+        "inviteExpiry": "Dieser Invite wird am {date}; um {time} ablaufen, was in {expiresInMinutes} ist, also handle schnell.",
         "linkButton": "Richte dein Konto ein"
     },
     "welcomeEmail": {

lang/email/en-us.json

@@ -7,18 +7,21 @@
         "helloUser": "Hi {username},"
     },
     "userCreated": {
+        "name": "User creation",
         "title": "Notice: User created",
         "aUserWasCreated": "A user was created using code {code}.",
         "time": "Time",
         "notificationNotice": "Note: Notification emails can be toggled on the admin dashboard."
     },
     "inviteExpiry": {
+        "name": "Invite expiry",
         "title": "Notice: Invite expired",
         "inviteExpired": "Invite expired.",
         "expiredAt": "Code {code} expired at {time}.",
         "notificationNotice": "Note: Notification emails can be toggled on the admin dashboard."
     },
     "passwordReset": {
+        "name": "Password reset",
         "title": "Password reset requested - Jellyfin",
         "someoneHasRequestedReset": "Someone has recently requested a password reset on Jellyfin.",
         "ifItWasYou": "If this was you, enter the pin below into the prompt.",
@@ -26,11 +29,13 @@
         "pin": "PIN"
     },
     "userDeleted": {
+        "name": "User deletion",
         "title": "Your account was deleted - Jellyfin",
         "yourAccountWasDeleted": "Your Jellyfin account was deleted.",
         "reason": "Reason"
     },
     "inviteEmail": {
+        "name": "Invite email",
         "title": "Invite - Jellyfin",
         "hello": "Hi",
         "youHaveBeenInvited": "You've been invited to Jellyfin.",
@@ -39,12 +44,14 @@
         "linkButton": "Setup your account"
     },
     "welcomeEmail": {
+        "name": "Welcome email",
         "title": "Welcome to Jellyfin",
         "welcome": "Welcome to Jellyfin!",
         "youCanLoginWith": "You can login with the details below",
         "jellyfinURL": "URL"
     },
     "emailConfirmation": {
+        "name": "Confirmation email",
         "title": "Confirm your email - Jellyfin",
         "clickBelow": "Click the link below to confirm your email address and start using Jellyfin.",
         "confirmEmail": "Confirm Email"

mail/confirmation.mjml

@@ -64,7 +64,7 @@
             <p>{{ .clickBelow }}</p>
             <p>{{ .ifItWasNotYou }}</p>
         </mj-text>
-        <mj-button mj-class="blue bold" href="{{ .urlVal }}">{{ .confirmEmail }}</mj-button>
+        <mj-button mj-class="blue bold" href="{{ .confirmationURL }}">{{ .confirmEmail }}</mj-button>
       </mj-column>
     </mj-section>
     <mj-section mj-class="bg2">

mail/confirmation.txt

@@ -3,6 +3,6 @@
 {{ .clickBelow }}
 {{ .ifItWasNotYou }}
 
-{{ .urlVal }}
+{{ .confirmationURL }}
 
 {{ .message }}

mail/created.mjml

@@ -64,14 +64,14 @@
         </mj-text>
         <mj-table mj-class="text" container-background-color="#242424">
           <tr style="text-align: left;">
-              <th>{{ .name }}</th>
-              <th>{{ .address }}</th>
-              <th>{{ .time }}</th>
+              <th>{{ .nameString }}</th>
+              <th>{{ .addressString }}</th>
+              <th>{{ .timeString }}</th>
           </tr>
           <tr style="font-style: italic; text-align: left; color: rgb(153,153,153);">
-            <th>{{ .nameVal }}</th>
-            <th>{{ .addressVal }}</th>
-            <th>{{ .timeVal }}</th>
+            <th>{{ .name }}</th>
+            <th>{{ .address }}</th>
+            <th>{{ .time }}</th>
         </mj-table>
       </mj-column>
     </mj-section>

mail/created.txt

@@ -1,7 +1,7 @@
 {{ .aUserWasCreated }}
 
-{{ .name }}: {{ .nameVal }}
-{{ .address }}: {{ .addressVal }}
-{{ .time }}: {{ .timeVal }}
+{{ .nameString }}: {{ .name }}
+{{ .addressString }}: {{ .address }}
+{{ .timeString }}: {{ .time }}
 
 {{ .notificationNotice }}

mail/deleted.mjml

@@ -61,7 +61,7 @@
       <mj-column>
         <mj-text mj-class="text" font-size="16px" font-family="Noto Sans, Helvetica, Arial, sans-serif">
             <h3>{{ .yourAccountWasDeleted }}</h3>
-            <p>{{ .reason }}: <i>{{ .reasonVal }}</i></p>
+            <p>{{ .reasonString }}: <i>{{ .reason }}</i></p>
         </mj-text>
       </mj-column>
     </mj-section>

mail/deleted.txt

@@ -1,4 +1,4 @@
 {{ .yourAccountWasDeleted }}
-{{ .reason }}: {{ .reasonVal }}
+{{ .reasonString }}: {{ .reason }}
 
 {{ .message }}

mail/email.mjml

@@ -66,7 +66,7 @@
             <p>{{ .codeExpiry }}</p>
             <p>{{ .ifItWasNotYou }}</p>
         </mj-text>
-        <mj-button mj-class="blue bold"><mj-raw>{{ .pinVal }}</mj-raw></mj-button>
+        <mj-button mj-class="blue bold"><mj-raw>{{ .pin }}</mj-raw></mj-button>
       </mj-column>
     </mj-section>
     <mj-section mj-class="bg2">

mail/email.txt

@@ -5,6 +5,6 @@
 {{ .codeExpiry }}
 {{ .ifItWasNotYou }}
 
-{{ .pin }}: {{ .pinVal }}
+{{ .pinString }}: {{ .pin }}
 
 {{ .message }}

mail/invite-email.mjml

@@ -65,7 +65,7 @@
             <p>{{ .toJoin }}</p>
             <p>{{ .inviteExpiry }}</p>
         </mj-text>
-        <mj-button mj-class="blue bold" href="{{ .invite_link }}">{{ .linkButton }}</mj-button>
+        <mj-button mj-class="blue bold" href="{{ .inviteURL }}">{{ .linkButton }}</mj-button>
       </mj-column>
     </mj-section>
     <mj-section mj-class="bg2">

mail/invite-email.txt

@@ -3,6 +3,6 @@
 {{ .toJoin }}
 {{ .inviteExpiry }}
 
-{{ .invite_link }}
+{{ .inviteURL }}
 
 {{ .message }}

mail/welcome.mjml

@@ -62,8 +62,8 @@
         <mj-text mj-class="text" font-size="16px" font-family="Noto Sans, Helvetica, Arial, sans-serif">
             <h3>{{ .welcome }}</h3>
             <p>{{ .youCanLoginWith }}:</p>
-            {{ .jellyfinURL }}: <a href="{{ .jellyfinURLVal }}">{{ .jellyfinURLVal }}</a>
-            <p>{{ .username }}: <i>{{ .usernameVal }}</i></p>
+            {{ .jellyfinURLString }}: <a href="{{ .jellyfinURLVal }}">{{ .jellyfinURL }}</a>
+            <p>{{ .usernameString }}: <i>{{ .username }}</i></p>
         </mj-text>
       </mj-column>
     </mj-section>

mail/welcome.txt

@@ -2,8 +2,8 @@
 
 {{ .youCanLoginWith }}:
 
-{{ .jellyfinURL }}: {{ .jellyfinURLVal }}
-{{ .username }}: {{ .usernameVal }}
+{{ .jellyfinURLString }}: {{ .jellyfinURL }}
+{{ .usernameString }}: {{ .username }}
 
 
 {{ .message }}

models.go

@@ -174,3 +174,9 @@ type settings struct {
 }
 
 type langDTO map[string]string
+
+type emailListDTO map[string]string
+
+type emailSetDTO struct {
+	Content string `json:"content"`
+}

pwreset.go

@@ -81,7 +81,7 @@ func pwrMonitor(app *appContext, watcher *fsnotify.Watcher) {
 						return
 					}
 					address = addr.(string)
-					msg, err := app.email.constructReset(pwr, app)
+					msg, err := app.email.constructReset(pwr, app, false)
 					if err != nil {
 						app.err.Printf("Failed to construct password reset email for %s", pwr.Username)
 						app.debug.Printf("%s: Error: %s", pwr.Username, err)

router.go

@@ -139,6 +139,10 @@ func (app *appContext) loadRoutes(router *gin.Engine) {
 		// api.POST(p + "/setDefaults", app.SetDefaults)
 		api.POST(p+"/users/settings", app.ApplySettings)
 		api.POST(p+"/users/announce", app.Announce)
+		api.GET(p+"/config/emails", app.GetEmails)
+		api.GET(p+"/config/emails/:id", app.GetEmail)
+		api.POST(p+"/config/emails/:id", app.SetEmail)
+		api.POST(p+"/config/emails/:id/:state", app.SetEmailState)
 		api.GET(p+"/config", app.GetConfig)
 		api.POST(p+"/config", app.ModifyConfig)
 		api.POST(p+"/restart", app.restart)

storage.go

@@ -14,15 +14,32 @@ import (
 )
 
 type Storage struct {
-	timePattern                                                                                            string
-	invite_path, emails_path, policy_path, configuration_path, displayprefs_path, ombi_path, profiles_path string
-	invites                                                                                                Invites
-	profiles                                                                                               map[string]Profile
-	defaultProfile                                                                                         string
-	emails, displayprefs, ombi_template                                                                    map[string]interface{}
-	policy                                                                                                 mediabrowser.Policy
-	configuration                                                                                          mediabrowser.Configuration
-	lang                                                                                                   Lang
+	timePattern                                                                                                               string
+	invite_path, emails_path, policy_path, configuration_path, displayprefs_path, ombi_path, profiles_path, customEmails_path string
+	invites                                                                                                                   Invites
+	profiles                                                                                                                  map[string]Profile
+	defaultProfile                                                                                                            string
+	emails, displayprefs, ombi_template                                                                                       map[string]interface{}
+	customEmails                                                                                                              customEmails
+	policy                                                                                                                    mediabrowser.Policy
+	configuration                                                                                                             mediabrowser.Configuration
+	lang                                                                                                                      Lang
+}
+
+type customEmails struct {
+	UserCreated       customEmail `json:"userCreated"`
+	InviteExpiry      customEmail `json:"inviteExpiry"`
+	PasswordReset     customEmail `json:"passwordReset"`
+	UserDeleted       customEmail `json:"userDeleted"`
+	InviteEmail       customEmail `json:"inviteEmail"`
+	WelcomeEmail      customEmail `json:"welcomeEmail"`
+	EmailConfirmation customEmail `json:"emailConfirmation"`
+}
+
+type customEmail struct {
+	Enabled   bool     `json:"enabled,omitempty"`
+	Content   string   `json:"content"`
+	Variables []string `json:"variables,omitempty"`
 }
 
 // timePattern: %Y-%m-%dT%H:%M:%S.%f
@@ -394,6 +411,14 @@ func (st *Storage) storeEmails() error {
 	return storeJSON(st.emails_path, st.emails)
 }
 
+func (st *Storage) loadCustomEmails() error {
+	return loadJSON(st.customEmails_path, &st.customEmails)
+}
+
+func (st *Storage) storeCustomEmails() error {
+	return storeJSON(st.customEmails_path, st.customEmails)
+}
+
 func (st *Storage) loadPolicy() error {
 	return loadJSON(st.policy_path, &st.policy)
 }

stripmd.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"strings"
+
+	stripmd "github.com/writeas/go-strip-markdown"
+)
+
+func stripMarkdown(md string) string {
+	// Search for markdown-formatted urls, and replace them with just the url, then use a library to strip any traces of markdown. You'll need some eyebleach after this.
+	foundOpenSquare := false
+	openSquare := -1
+	openBracket := -1
+	closeBracket := -1
+	openSquares := []int{}
+	closeBrackets := []int{}
+	links := []string{}
+	foundOpen := false
+	for i, c := range md {
+		if !foundOpenSquare && !foundOpen && c != '[' && c != ']' {
+			continue
+		}
+		if c == '[' && md[i-1] != '!' {
+			foundOpenSquare = true
+			openSquare = i
+		} else if c == ']' {
+			if md[i+1] == '(' {
+				foundOpenSquare = false
+				foundOpen = true
+				openBracket = i + 1
+				continue
+			}
+		} else if c == ')' {
+			closeBracket = i
+			openSquares = append(openSquares, openSquare)
+			closeBrackets = append(closeBrackets, closeBracket)
+			links = append(links, md[openBracket+1:closeBracket])
+			openBracket = -1
+			closeBracket = -1
+			openSquare = -1
+			foundOpenSquare = false
+			foundOpen = false
+		}
+	}
+	fullLinks := make([]string, len(openSquares))
+	for i := range openSquares {
+		fullLinks[i] = md[openSquares[i] : closeBrackets[i]+1]
+	}
+	for i, _ := range openSquares {
+		md = strings.Replace(md, fullLinks[i], links[i], 1)
+	}
+	return strings.TrimPrefix(strings.TrimSuffix(stripmd.Strip(md), "</p>"), "<p>")
+}