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jfa-go/views.go

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package main
import (
"io/fs"
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"net/http"
"strconv"
"strings"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/gin-gonic/gin"
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)
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var css = []string{"bundle.css", "remixicon.css"}
var cssHeader string
func (app *appContext) loadCSSHeader() string {
l := len(css)
h := ""
for i, f := range css {
h += "<" + app.URLBase + "/css/" + f + ">; rel=preload; as=style"
if l > 1 && i != (l-1) {
h += ", "
}
}
return h
}
func (app *appContext) getURLBase(gc *gin.Context) string {
if strings.HasPrefix(gc.Request.URL.String(), app.URLBase) {
return app.URLBase
}
return ""
}
func gcHTML(gc *gin.Context, code int, file string, templ gin.H) {
gc.Header("Cache-Control", "no-cache")
gc.HTML(code, file, templ)
}
func (app *appContext) pushResources(gc *gin.Context, admin bool) {
if pusher := gc.Writer.Pusher(); pusher != nil {
app.debug.Println("Using HTTP2 Server push")
if admin {
toPush := []string{"/js/admin.js", "/js/theme.js", "/js/lang.js", "/js/modal.js", "/js/tabs.js", "/js/invites.js", "/js/accounts.js", "/js/settings.js", "/js/profiles.js", "/js/common.js"}
for _, f := range toPush {
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if err := pusher.Push(app.URLBase+f, nil); err != nil {
app.debug.Printf("Failed HTTP2 ServerPush of \"%s\": %+v", f, err)
}
}
}
}
gc.Header("Link", cssHeader)
}
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type Page int
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const (
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AdminPage Page = iota + 1
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FormPage
PWRPage
)
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func (app *appContext) getLang(gc *gin.Context, page Page, chosen string) string {
lang := gc.Query("lang")
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cookie, err := gc.Cookie("lang")
if lang != "" {
switch page {
case AdminPage:
if _, ok := app.storage.lang.Admin[lang]; ok {
gc.SetCookie("lang", lang, (365 * 3600), "/", gc.Request.URL.Hostname(), true, true)
return lang
}
case FormPage:
if _, ok := app.storage.lang.Form[lang]; ok {
gc.SetCookie("lang", lang, (365 * 3600), "/", gc.Request.URL.Hostname(), true, true)
return lang
}
case PWRPage:
if _, ok := app.storage.lang.PasswordReset[lang]; ok {
gc.SetCookie("lang", lang, (365 * 3600), "/", gc.Request.URL.Hostname(), true, true)
return lang
}
}
}
if cookie != "" && err == nil {
switch page {
case AdminPage:
if _, ok := app.storage.lang.Admin[cookie]; ok {
return cookie
}
case FormPage:
if _, ok := app.storage.lang.Form[cookie]; ok {
return cookie
}
case PWRPage:
if _, ok := app.storage.lang.PasswordReset[cookie]; ok {
return cookie
}
}
}
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return chosen
}
func (app *appContext) AdminPage(gc *gin.Context) {
app.pushResources(gc, true)
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lang := app.getLang(gc, AdminPage, app.storage.lang.chosenAdminLang)
emailEnabled, _ := app.config.Section("invite_emails").Key("enabled").Bool()
notificationsEnabled, _ := app.config.Section("notifications").Key("enabled").Bool()
ombiEnabled := app.config.Section("ombi").Key("enabled").MustBool(false)
var license string
l, err := fs.ReadFile(localFS, "LICENSE")
if err != nil {
app.debug.Printf("Failed to load LICENSE: %s", err)
license = ""
}
license = string(l)
gcHTML(gc, http.StatusOK, "admin.html", gin.H{
"urlBase": app.getURLBase(gc),
"cssClass": app.cssClass,
"contactMessage": "",
"email_enabled": emailEnabled,
"telegram_enabled": app.config.Section("telegram").Key("enabled").MustBool(false),
"notifications": notificationsEnabled,
"version": version,
"commit": commit,
"ombiEnabled": ombiEnabled,
"username": !app.config.Section("email").Key("no_username").MustBool(false),
"strings": app.storage.lang.Admin[lang].Strings,
"quantityStrings": app.storage.lang.Admin[lang].QuantityStrings,
"language": app.storage.lang.Admin[lang].JSON,
"langName": lang,
"license": license,
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})
}
func (app *appContext) ResetPassword(gc *gin.Context) {
pin := gc.Query("pin")
if pin == "" {
app.NoRouteHandler(gc)
return
}
app.pushResources(gc, false)
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lang := app.getLang(gc, PWRPage, app.storage.lang.chosenPWRLang)
data := gin.H{
"urlBase": app.getURLBase(gc),
"contactMessage": app.config.Section("ui").Key("contact_message").String(),
"strings": app.storage.lang.PasswordReset[lang].Strings,
"success": false,
"ombiEnabled": app.config.Section("ombi").Key("enabled").MustBool(false),
}
resp, status, err := app.jf.ResetPassword(pin)
if status == 200 && err == nil && resp.Success {
data["success"] = true
data["pin"] = pin
} else {
app.err.Printf("Password Reset failed (%d): %v", status, err)
}
defer gcHTML(gc, http.StatusOK, "password-reset.html", data)
if app.config.Section("ombi").Key("enabled").MustBool(false) {
jfUser, status, err := app.jf.UserByName(resp.UsersReset[0], false)
if status != 200 || err != nil {
app.err.Printf("Failed to get user \"%s\" from jellyfin/emby (%d): %v", resp.UsersReset[0], status, err)
return
}
ombiUser, status, err := app.getOmbiUser(jfUser.ID)
if status != 200 || err != nil {
app.err.Printf("Failed to get user \"%s\" from ombi (%d): %v", resp.UsersReset[0], status, err)
return
}
ombiUser["password"] = pin
status, err = app.ombi.ModifyUser(ombiUser)
if status != 200 || err != nil {
app.err.Printf("Failed to set password for ombi user \"%s\" (%d): %v", ombiUser["userName"], status, err)
return
}
app.debug.Printf("Reset password for ombi user \"%s\"", ombiUser["userName"])
}
}
func (app *appContext) InviteProxy(gc *gin.Context) {
app.pushResources(gc, false)
code := gc.Param("invCode")
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lang := app.getLang(gc, FormPage, app.storage.lang.chosenFormLang)
/* Don't actually check if the invite is valid, just if it exists, just so the page loads quicker. Invite is actually checked on submit anyway. */
// if app.checkInvite(code, false, "") {
inv, ok := app.storage.invites[code]
if !ok {
gcHTML(gc, 404, "invalidCode.html", gin.H{
"cssClass": app.cssClass,
"contactMessage": app.config.Section("ui").Key("contact_message").String(),
})
return
}
if key := gc.Query("key"); key != "" && app.config.Section("email_confirmation").Key("enabled").MustBool(false) {
validKey := false
keyIndex := -1
for i, k := range inv.Keys {
if k == key {
validKey = true
keyIndex = i
break
}
}
fail := func() {
gcHTML(gc, 404, "404.html", gin.H{
"cssClass": app.cssClass,
"contactMessage": app.config.Section("ui").Key("contact_message").String(),
})
}
if !validKey {
fail()
return
}
token, err := jwt.Parse(key, checkToken)
if err != nil {
fail()
app.err.Printf("Failed to parse key: %s", err)
return
}
claims, ok := token.Claims.(jwt.MapClaims)
expiryUnix, err := strconv.ParseInt(claims["exp"].(string), 10, 64)
if err != nil {
fail()
app.err.Printf("Failed to parse key expiry: %s", err)
return
}
expiry := time.Unix(expiryUnix, 0)
if !(ok && token.Valid && claims["invite"].(string) == code && claims["type"].(string) == "confirmation" && expiry.After(time.Now())) {
fail()
app.debug.Printf("Invalid key")
return
}
req := newUserDTO{
Email: claims["email"].(string),
Username: claims["username"].(string),
Password: claims["password"].(string),
Code: claims["invite"].(string),
}
_, success := app.newUser(req, true)
if !success {
fail()
return
}
gcHTML(gc, http.StatusOK, "create-success.html", gin.H{
"strings": app.storage.lang.Form[lang].Strings,
"successMessage": app.config.Section("ui").Key("success_message").String(),
"contactMessage": app.config.Section("ui").Key("contact_message").String(),
"jfLink": app.config.Section("jellyfin").Key("public_server").String(),
})
inv, ok := app.storage.invites[code]
if ok {
l := len(inv.Keys)
inv.Keys[l-1], inv.Keys[keyIndex] = inv.Keys[keyIndex], inv.Keys[l-1]
app.storage.invites[code] = inv
}
return
}
email := app.storage.invites[code].Email
if strings.Contains(email, "Failed") {
email = ""
}
data := gin.H{
"urlBase": app.getURLBase(gc),
"cssClass": app.cssClass,
"contactMessage": app.config.Section("ui").Key("contact_message").String(),
"helpMessage": app.config.Section("ui").Key("help_message").String(),
"successMessage": app.config.Section("ui").Key("success_message").String(),
"jfLink": app.config.Section("jellyfin").Key("public_server").String(),
"validate": app.config.Section("password_validation").Key("enabled").MustBool(false),
"requirements": app.validator.getCriteria(),
"email": email,
"username": !app.config.Section("email").Key("no_username").MustBool(false),
"strings": app.storage.lang.Form[lang].Strings,
"validationStrings": app.storage.lang.Form[lang].validationStringsJSON,
"notifications": app.storage.lang.Form[lang].notificationsJSON,
"code": code,
"confirmation": app.config.Section("email_confirmation").Key("enabled").MustBool(false),
"userExpiry": inv.UserExpiry,
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"userExpiryMonths": inv.UserMonths,
"userExpiryDays": inv.UserDays,
"userExpiryHours": inv.UserHours,
"userExpiryMinutes": inv.UserMinutes,
"userExpiryMessage": app.storage.lang.Form[lang].Strings.get("yourAccountIsValidUntil"),
"langName": lang,
"telegramEnabled": app.config.Section("telegram").Key("enabled").MustBool(false),
}
if data["telegramEnabled"].(bool) {
data["telegramPIN"] = app.telegram.NewAuthToken()
data["telegramUsername"] = app.telegram.username
data["telegramURL"] = app.telegram.link
data["telegramRequired"] = app.config.Section("telegram").Key("required").MustBool(false)
}
gcHTML(gc, http.StatusOK, "form-loader.html", data)
}
func (app *appContext) NoRouteHandler(gc *gin.Context) {
app.pushResources(gc, false)
gcHTML(gc, 404, "404.html", gin.H{
"cssClass": app.cssClass,
"contactMessage": app.config.Section("ui").Key("contact_message").String(),
})
}