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mirror of https://github.com/zitadel/zitadel.git synced 2024-12-26 09:37:47 +00:00
Silvan b5564572bc
feat(eventstore): increase parallel write capabilities ()
This implementation increases parallel write capabilities of the eventstore.
Please have a look at the technical advisories: [05](https://zitadel.com/docs/support/advisory/a10005) and  [06](https://zitadel.com/docs/support/advisory/a10006).
The implementation of eventstore.push is rewritten and stored events are migrated to a new table `eventstore.events2`.
If you are using cockroach: make sure that the database user of ZITADEL has `VIEWACTIVITY` grant. This is used to query events.
2023-10-19 12:19:10 +02:00

147 lines
4.1 KiB
Go

package renderer
import (
"context"
"io/ioutil"
"net/http"
"os"
"text/template"
"github.com/zitadel/logging"
"golang.org/x/text/language"
"github.com/zitadel/zitadel/internal/api/authz"
"github.com/zitadel/zitadel/internal/errors"
"github.com/zitadel/zitadel/internal/i18n"
)
const (
TranslateFn = "t"
templatesPath = "/templates"
)
type Renderer struct {
Templates map[string]*template.Template
dir http.FileSystem
cookieName string
}
func NewRenderer(dir http.FileSystem, tmplMapping map[string]string, funcs map[string]interface{}, cookieName string) (*Renderer, error) {
var err error
r := &Renderer{
dir: dir,
cookieName: cookieName,
}
err = r.loadTemplates(dir, nil, tmplMapping, funcs)
if err != nil {
return nil, err
}
return r, nil
}
func (r *Renderer) RenderTemplate(w http.ResponseWriter, req *http.Request, translator *i18n.Translator, tmpl *template.Template, data interface{}, reqFuncs map[string]interface{}) {
reqFuncs = r.registerTranslateFn(req, translator, reqFuncs)
if err := tmpl.Funcs(reqFuncs).Execute(w, data); err != nil {
logging.Log("RENDE-lF8F6w").WithError(err).WithField("template", tmpl.Name).Error("error rendering template")
}
}
func (r *Renderer) NewTranslator(ctx context.Context) (*i18n.Translator, error) {
return i18n.NewTranslator(r.dir, authz.GetInstance(ctx).DefaultLanguage(), r.cookieName)
}
func (r *Renderer) Localize(translator *i18n.Translator, id string, args map[string]interface{}) string {
if translator == nil {
return ""
}
return translator.Localize(id, args)
}
func (r *Renderer) AddMessages(translator *i18n.Translator, tag language.Tag, messages ...i18n.Message) error {
if translator == nil {
return nil
}
return translator.AddMessages(tag, messages...)
}
func (r *Renderer) LocalizeFromRequest(translator *i18n.Translator, req *http.Request, id string, args map[string]interface{}) string {
if translator == nil {
return ""
}
return translator.LocalizeFromRequest(req, id, args)
}
func (r *Renderer) ReqLang(translator *i18n.Translator, req *http.Request) language.Tag {
if translator == nil {
return language.Und
}
return translator.Lang(req)
}
func (r *Renderer) loadTemplates(dir http.FileSystem, translator *i18n.Translator, tmplMapping map[string]string, funcs map[string]interface{}) error {
funcs = r.registerTranslateFn(nil, translator, funcs)
funcs[TranslateFn] = func(id string, args ...interface{}) string {
return id
}
templatesDir, err := dir.Open(templatesPath)
if err != nil {
return errors.ThrowNotFound(err, "RENDE-G3aea", "path not found")
}
defer templatesDir.Close()
files, err := templatesDir.Readdir(0)
if err != nil {
return errors.ThrowNotFound(err, "RENDE-dfR33", "cannot read dir")
}
tmpl := template.New("")
for _, file := range files {
if err := r.addFileToTemplate(dir, tmpl, tmplMapping, funcs, file); err != nil {
return errors.ThrowNotFound(err, "RENDE-dfTe1", "cannot append file to templates")
}
}
r.Templates = make(map[string]*template.Template, len(tmplMapping))
for name, file := range tmplMapping {
r.Templates[name] = tmpl.Lookup(file)
}
return nil
}
func (r *Renderer) addFileToTemplate(dir http.FileSystem, tmpl *template.Template, tmplMapping map[string]string, funcs map[string]interface{}, file os.FileInfo) error {
f, err := dir.Open(templatesPath + "/" + file.Name())
if err != nil {
return err
}
defer f.Close()
content, err := ioutil.ReadAll(f)
if err != nil {
return err
}
tmpl, err = tmpl.New(file.Name()).Funcs(funcs).Parse(string(content))
return err
}
func (r *Renderer) registerTranslateFn(req *http.Request, translator *i18n.Translator, funcs map[string]interface{}) map[string]interface{} {
if funcs == nil {
funcs = make(map[string]interface{})
}
if translator == nil {
return funcs
}
funcs[TranslateFn] = func(id string, args ...interface{}) string {
m := map[string]interface{}{}
var key string
for i, arg := range args {
if i%2 == 0 {
key = arg.(string)
continue
}
m[key] = arg
}
if r == nil {
return r.Localize(translator, id, m)
}
return r.LocalizeFromRequest(translator, req, id, m)
}
return funcs
}