listmonk/cmd/init.go

851 lines
25 KiB
Go

package main
import (
"bytes"
"encoding/json"
"fmt"
"html/template"
"os"
"path"
"path/filepath"
"runtime"
"strings"
"syscall"
"time"
"github.com/Masterminds/sprig/v3"
"github.com/jmoiron/sqlx"
"github.com/jmoiron/sqlx/types"
"github.com/knadh/goyesql/v2"
goyesqlx "github.com/knadh/goyesql/v2/sqlx"
"github.com/knadh/koanf/maps"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/confmap"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/providers/posflag"
"github.com/knadh/koanf/v2"
"github.com/knadh/listmonk/internal/bounce"
"github.com/knadh/listmonk/internal/bounce/mailbox"
"github.com/knadh/listmonk/internal/captcha"
"github.com/knadh/listmonk/internal/i18n"
"github.com/knadh/listmonk/internal/manager"
"github.com/knadh/listmonk/internal/media"
"github.com/knadh/listmonk/internal/media/providers/filesystem"
"github.com/knadh/listmonk/internal/media/providers/s3"
"github.com/knadh/listmonk/internal/messenger/email"
"github.com/knadh/listmonk/internal/messenger/postback"
"github.com/knadh/listmonk/internal/subimporter"
"github.com/knadh/listmonk/models"
"github.com/knadh/stuffbin"
"github.com/labstack/echo/v4"
"github.com/lib/pq"
flag "github.com/spf13/pflag"
)
const (
queryFilePath = "queries.sql"
// Root URI of the admin frontend.
adminRoot = "/admin"
)
// constants contains static, constant config values required by the app.
type constants struct {
SiteName string `koanf:"site_name"`
RootURL string `koanf:"root_url"`
LogoURL string `koanf:"logo_url"`
FaviconURL string `koanf:"favicon_url"`
FromEmail string `koanf:"from_email"`
NotifyEmails []string `koanf:"notify_emails"`
EnablePublicSubPage bool `koanf:"enable_public_subscription_page"`
EnablePublicArchive bool `koanf:"enable_public_archive"`
EnablePublicArchiveRSSContent bool `koanf:"enable_public_archive_rss_content"`
SendOptinConfirmation bool `koanf:"send_optin_confirmation"`
Lang string `koanf:"lang"`
DBBatchSize int `koanf:"batch_size"`
Privacy struct {
IndividualTracking bool `koanf:"individual_tracking"`
AllowPreferences bool `koanf:"allow_preferences"`
AllowBlocklist bool `koanf:"allow_blocklist"`
AllowExport bool `koanf:"allow_export"`
AllowWipe bool `koanf:"allow_wipe"`
Exportable map[string]bool `koanf:"-"`
DomainBlocklist []string `koanf:"-"`
} `koanf:"privacy"`
Security struct {
EnableCaptcha bool `koanf:"enable_captcha"`
CaptchaKey string `koanf:"captcha_key"`
CaptchaSecret string `koanf:"captcha_secret"`
} `koanf:"security"`
AdminUsername []byte `koanf:"admin_username"`
AdminPassword []byte `koanf:"admin_password"`
Appearance struct {
AdminCSS []byte `koanf:"admin.custom_css"`
AdminJS []byte `koanf:"admin.custom_js"`
PublicCSS []byte `koanf:"public.custom_css"`
PublicJS []byte `koanf:"public.custom_js"`
}
UnsubURL string
LinkTrackURL string
ViewTrackURL string
OptinURL string
MessageURL string
ArchiveURL string
MediaUpload struct {
Provider string
Extensions []string
}
BounceWebhooksEnabled bool
BounceSESEnabled bool
BounceSendgridEnabled bool
}
type notifTpls struct {
tpls *template.Template
contentType string
}
func initFlags() {
f := flag.NewFlagSet("config", flag.ContinueOnError)
f.Usage = func() {
// Register --help handler.
fmt.Println(f.FlagUsages())
os.Exit(0)
}
// Register the commandline flags.
f.StringSlice("config", []string{"config.toml"},
"path to one or more config files (will be merged in order)")
f.Bool("install", false, "setup database (first time)")
f.Bool("idempotent", false, "make --install run only if the database isn't already setup")
f.Bool("upgrade", false, "upgrade database to the current version")
f.Bool("version", false, "show current version of the build")
f.Bool("new-config", false, "generate sample config file")
f.String("static-dir", "", "(optional) path to directory with static files")
f.String("i18n-dir", "", "(optional) path to directory with i18n language files")
f.Bool("yes", false, "assume 'yes' to prompts during --install/upgrade")
f.Bool("passive", false, "run in passive mode where campaigns are not processed")
if err := f.Parse(os.Args[1:]); err != nil {
lo.Fatalf("error loading flags: %v", err)
}
if err := ko.Load(posflag.Provider(f, ".", ko), nil); err != nil {
lo.Fatalf("error loading config: %v", err)
}
}
// initConfigFiles loads the given config files into the koanf instance.
func initConfigFiles(files []string, ko *koanf.Koanf) {
for _, f := range files {
lo.Printf("reading config: %s", f)
if err := ko.Load(file.Provider(f), toml.Parser()); err != nil {
if os.IsNotExist(err) {
lo.Fatal("config file not found. If there isn't one yet, run --new-config to generate one.")
}
lo.Fatalf("error loading config from file: %v.", err)
}
}
}
// initFileSystem initializes the stuffbin FileSystem to provide
// access to bundled static assets to the app.
func initFS(appDir, frontendDir, staticDir, i18nDir string) stuffbin.FileSystem {
var (
// stuffbin real_path:virtual_alias paths to map local assets on disk
// when there an embedded filestystem is not found.
// These paths are joined with appDir.
appFiles = []string{
"./config.toml.sample:config.toml.sample",
"./queries.sql:queries.sql",
"./schema.sql:schema.sql",
}
frontendFiles = []string{
// Admin frontend's static assets accessible at /admin/* during runtime.
// These paths are sourced from frontendDir.
"./:/admin",
}
staticFiles = []string{
// These paths are joined with staticDir.
"./email-templates:static/email-templates",
"./public:/public",
}
i18nFiles = []string{
// These paths are joined with i18nDir.
"./:/i18n",
}
)
// Get the executable's path.
path, err := os.Executable()
if err != nil {
lo.Fatalf("error getting executable path: %v", err)
}
// Load embedded files in the executable.
hasEmbed := true
fs, err := stuffbin.UnStuff(path)
if err != nil {
hasEmbed = false
// Running in local mode. Load local assets into
// the in-memory stuffbin.FileSystem.
lo.Printf("unable to initialize embedded filesystem (%v). Using local filesystem", err)
fs, err = stuffbin.NewLocalFS("/")
if err != nil {
lo.Fatalf("failed to initialize local file for assets: %v", err)
}
}
// If the embed failed, load app and frontend files from the compile-time paths.
files := []string{}
if !hasEmbed {
files = append(files, joinFSPaths(appDir, appFiles)...)
files = append(files, joinFSPaths(frontendDir, frontendFiles)...)
}
// Irrespective of the embeds, if there are user specified static or i18n paths,
// load files from there and override default files (embedded or picked up from CWD).
if !hasEmbed || i18nDir != "" {
if i18nDir == "" {
// Default dir in cwd.
i18nDir = "i18n"
}
lo.Printf("loading i18n files from: %v", i18nDir)
files = append(files, joinFSPaths(i18nDir, i18nFiles)...)
}
if !hasEmbed || staticDir != "" {
if staticDir == "" {
// Default dir in cwd.
staticDir = "static"
}
lo.Printf("loading static files from: %v", staticDir)
files = append(files, joinFSPaths(staticDir, staticFiles)...)
}
// No additional files to load.
if len(files) == 0 {
return fs
}
// Load files from disk and overlay into the FS.
fStatic, err := stuffbin.NewLocalFS("/", files...)
if err != nil {
lo.Fatalf("failed reading static files from disk: '%s': %v", staticDir, err)
}
if err := fs.Merge(fStatic); err != nil {
lo.Fatalf("error merging static files: '%s': %v", staticDir, err)
}
return fs
}
// initDB initializes the main DB connection pool and parse and loads the app's
// SQL queries into a prepared query map.
func initDB() *sqlx.DB {
var c struct {
Host string `koanf:"host"`
Port int `koanf:"port"`
User string `koanf:"user"`
Password string `koanf:"password"`
DBName string `koanf:"database"`
SSLMode string `koanf:"ssl_mode"`
Params string `koanf:"params"`
MaxOpen int `koanf:"max_open"`
MaxIdle int `koanf:"max_idle"`
MaxLifetime time.Duration `koanf:"max_lifetime"`
}
if err := ko.Unmarshal("db", &c); err != nil {
lo.Fatalf("error loading db config: %v", err)
}
lo.Printf("connecting to db: %s:%d/%s", c.Host, c.Port, c.DBName)
db, err := sqlx.Connect("postgres",
fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s %s", c.Host, c.Port, c.User, c.Password, c.DBName, c.SSLMode, c.Params))
if err != nil {
lo.Fatalf("error connecting to DB: %v", err)
}
db.SetMaxOpenConns(c.MaxOpen)
db.SetMaxIdleConns(c.MaxIdle)
db.SetConnMaxLifetime(c.MaxLifetime)
return db
}
// readQueries reads named SQL queries from the SQL queries file into a query map.
func readQueries(sqlFile string, db *sqlx.DB, fs stuffbin.FileSystem) goyesql.Queries {
// Load SQL queries.
qB, err := fs.Read(sqlFile)
if err != nil {
lo.Fatalf("error reading SQL file %s: %v", sqlFile, err)
}
qMap, err := goyesql.ParseBytes(qB)
if err != nil {
lo.Fatalf("error parsing SQL queries: %v", err)
}
return qMap
}
// prepareQueries queries prepares a query map and returns a *Queries
func prepareQueries(qMap goyesql.Queries, db *sqlx.DB, ko *koanf.Koanf) *models.Queries {
var (
countQuery = "get-campaign-analytics-counts"
linkSel = "*"
)
if ko.Bool("privacy.individual_tracking") {
countQuery = "get-campaign-analytics-unique-counts"
linkSel = "DISTINCT subscriber_id"
}
// These don't exist in the SQL file but are in the queries struct to be prepared.
qMap["get-campaign-view-counts"] = &goyesql.Query{
Query: fmt.Sprintf(qMap[countQuery].Query, "campaign_views"),
Tags: map[string]string{"name": "get-campaign-view-counts"},
}
qMap["get-campaign-click-counts"] = &goyesql.Query{
Query: fmt.Sprintf(qMap[countQuery].Query, "link_clicks"),
Tags: map[string]string{"name": "get-campaign-click-counts"},
}
qMap["get-campaign-link-counts"].Query = fmt.Sprintf(qMap["get-campaign-link-counts"].Query, linkSel)
// Scan and prepare all queries.
var q models.Queries
if err := goyesqlx.ScanToStruct(&q, qMap, db.Unsafe()); err != nil {
lo.Fatalf("error preparing SQL queries: %v", err)
}
return &q
}
// initSettings loads settings from the DB into the given Koanf map.
func initSettings(query string, db *sqlx.DB, ko *koanf.Koanf) {
var s types.JSONText
if err := db.Get(&s, query); err != nil {
msg := err.Error()
if err, ok := err.(*pq.Error); ok {
if err.Detail != "" {
msg = fmt.Sprintf("%s. %s", err, err.Detail)
}
}
lo.Fatalf("error reading settings from DB: %s", msg)
}
// Setting keys are dot separated, eg: app.favicon_url. Unflatten them into
// nested maps {app: {favicon_url}}.
var out map[string]interface{}
if err := json.Unmarshal(s, &out); err != nil {
lo.Fatalf("error unmarshalling settings from DB: %v", err)
}
if err := ko.Load(confmap.Provider(out, "."), nil); err != nil {
lo.Fatalf("error parsing settings from DB: %v", err)
}
}
func initConstants() *constants {
// Read constants.
var c constants
if err := ko.Unmarshal("app", &c); err != nil {
lo.Fatalf("error loading app config: %v", err)
}
if err := ko.Unmarshal("privacy", &c.Privacy); err != nil {
lo.Fatalf("error loading app.privacy config: %v", err)
}
if err := ko.Unmarshal("security", &c.Security); err != nil {
lo.Fatalf("error loading app.security config: %v", err)
}
if err := ko.UnmarshalWithConf("appearance", &c.Appearance, koanf.UnmarshalConf{FlatPaths: true}); err != nil {
lo.Fatalf("error loading app.appearance config: %v", err)
}
c.RootURL = strings.TrimRight(c.RootURL, "/")
c.Lang = ko.String("app.lang")
c.Privacy.Exportable = maps.StringSliceToLookupMap(ko.Strings("privacy.exportable"))
c.MediaUpload.Provider = ko.String("upload.provider")
c.MediaUpload.Extensions = ko.Strings("upload.extensions")
c.Privacy.DomainBlocklist = ko.Strings("privacy.domain_blocklist")
// Static URLS.
// url.com/subscription/{campaign_uuid}/{subscriber_uuid}
c.UnsubURL = fmt.Sprintf("%s/subscription/%%s/%%s", c.RootURL)
// url.com/subscription/optin/{subscriber_uuid}
c.OptinURL = fmt.Sprintf("%s/subscription/optin/%%s?%%s", c.RootURL)
// url.com/link/{campaign_uuid}/{subscriber_uuid}/{link_uuid}
c.LinkTrackURL = fmt.Sprintf("%s/link/%%s/%%s/%%s", c.RootURL)
// url.com/link/{campaign_uuid}/{subscriber_uuid}
c.MessageURL = fmt.Sprintf("%s/campaign/%%s/%%s", c.RootURL)
// url.com/archive
c.ArchiveURL = c.RootURL + "/archive"
// url.com/campaign/{campaign_uuid}/{subscriber_uuid}/px.png
c.ViewTrackURL = fmt.Sprintf("%s/campaign/%%s/%%s/px.png", c.RootURL)
c.BounceWebhooksEnabled = ko.Bool("bounce.webhooks_enabled")
c.BounceSESEnabled = ko.Bool("bounce.ses_enabled")
c.BounceSendgridEnabled = ko.Bool("bounce.sendgrid_enabled")
return &c
}
// initI18n initializes a new i18n instance with the selected language map
// loaded from the filesystem. English is a loaded first as the default map
// and then the selected language is loaded on top of it so that if there are
// missing translations in it, the default English translations show up.
func initI18n(lang string, fs stuffbin.FileSystem) *i18n.I18n {
i, ok, err := getI18nLang(lang, fs)
if err != nil {
if ok {
lo.Println(err)
} else {
lo.Fatal(err)
}
}
return i
}
// initCampaignManager initializes the campaign manager.
func initCampaignManager(q *models.Queries, cs *constants, app *App) *manager.Manager {
campNotifCB := func(subject string, data interface{}) error {
return app.sendNotification(cs.NotifyEmails, subject, notifTplCampaign, data)
}
if ko.Int("app.concurrency") < 1 {
lo.Fatal("app.concurrency should be at least 1")
}
if ko.Int("app.message_rate") < 1 {
lo.Fatal("app.message_rate should be at least 1")
}
if ko.Bool("passive") {
lo.Println("running in passive mode. won't process campaigns.")
}
return manager.New(manager.Config{
BatchSize: ko.Int("app.batch_size"),
Concurrency: ko.Int("app.concurrency"),
MessageRate: ko.Int("app.message_rate"),
MaxSendErrors: ko.Int("app.max_send_errors"),
FromEmail: cs.FromEmail,
IndividualTracking: ko.Bool("privacy.individual_tracking"),
UnsubURL: cs.UnsubURL,
OptinURL: cs.OptinURL,
LinkTrackURL: cs.LinkTrackURL,
ViewTrackURL: cs.ViewTrackURL,
MessageURL: cs.MessageURL,
ArchiveURL: cs.ArchiveURL,
UnsubHeader: ko.Bool("privacy.unsubscribe_header"),
SlidingWindow: ko.Bool("app.message_sliding_window"),
SlidingWindowDuration: ko.Duration("app.message_sliding_window_duration"),
SlidingWindowRate: ko.Int("app.message_sliding_window_rate"),
ScanInterval: time.Second * 5,
ScanCampaigns: !ko.Bool("passive"),
}, newManagerStore(q, app.core, app.media), campNotifCB, app.i18n, lo)
}
func initTxTemplates(m *manager.Manager, app *App) {
tpls, err := app.core.GetTemplates(models.TemplateTypeTx, false)
if err != nil {
lo.Fatalf("error loading transactional templates: %v", err)
}
for _, t := range tpls {
tpl := t
if err := tpl.Compile(app.manager.GenericTemplateFuncs()); err != nil {
lo.Printf("error compiling transactional template %d: %v", tpl.ID, err)
continue
}
m.CacheTpl(tpl.ID, &tpl)
}
}
// initImporter initializes the bulk subscriber importer.
func initImporter(q *models.Queries, db *sqlx.DB, app *App) *subimporter.Importer {
return subimporter.New(
subimporter.Options{
DomainBlocklist: app.constants.Privacy.DomainBlocklist,
UpsertStmt: q.UpsertSubscriber.Stmt,
BlocklistStmt: q.UpsertBlocklistSubscriber.Stmt,
UpdateListDateStmt: q.UpdateListsDate.Stmt,
NotifCB: func(subject string, data interface{}) error {
app.sendNotification(app.constants.NotifyEmails, subject, notifTplImport, data)
return nil
},
}, db.DB, app.i18n)
}
// initSMTPMessenger initializes the SMTP messenger.
func initSMTPMessenger(m *manager.Manager) manager.Messenger {
var (
mapKeys = ko.MapKeys("smtp")
servers = make([]email.Server, 0, len(mapKeys))
)
items := ko.Slices("smtp")
if len(items) == 0 {
lo.Fatalf("no SMTP servers found in config")
}
// Load the config for multiple SMTP servers.
for _, item := range items {
if !item.Bool("enabled") {
continue
}
// Read the SMTP config.
var s email.Server
if err := item.UnmarshalWithConf("", &s, koanf.UnmarshalConf{Tag: "json"}); err != nil {
lo.Fatalf("error reading SMTP config: %v", err)
}
servers = append(servers, s)
lo.Printf("loaded email (SMTP) messenger: %s@%s",
item.String("username"), item.String("host"))
}
if len(servers) == 0 {
lo.Fatalf("no SMTP servers enabled in settings")
}
// Initialize the e-mail messenger with multiple SMTP servers.
msgr, err := email.New(servers...)
if err != nil {
lo.Fatalf("error loading e-mail messenger: %v", err)
}
return msgr
}
// initPostbackMessengers initializes and returns all the enabled
// HTTP postback messenger backends.
func initPostbackMessengers(m *manager.Manager) []manager.Messenger {
items := ko.Slices("messengers")
if len(items) == 0 {
return nil
}
var out []manager.Messenger
for _, item := range items {
if !item.Bool("enabled") {
continue
}
// Read the Postback server config.
var (
name = item.String("name")
o postback.Options
)
if err := item.UnmarshalWithConf("", &o, koanf.UnmarshalConf{Tag: "json"}); err != nil {
lo.Fatalf("error reading Postback config: %v", err)
}
// Initialize the Messenger.
p, err := postback.New(o)
if err != nil {
lo.Fatalf("error initializing Postback messenger %s: %v", name, err)
}
out = append(out, p)
lo.Printf("loaded Postback messenger: %s", name)
}
return out
}
// initMediaStore initializes Upload manager with a custom backend.
func initMediaStore() media.Store {
switch provider := ko.String("upload.provider"); provider {
case "s3":
var o s3.Opt
ko.Unmarshal("upload.s3", &o)
up, err := s3.NewS3Store(o)
if err != nil {
lo.Fatalf("error initializing s3 upload provider %s", err)
}
lo.Println("media upload provider: s3")
return up
case "filesystem":
var o filesystem.Opts
ko.Unmarshal("upload.filesystem", &o)
o.RootURL = ko.String("app.root_url")
o.UploadPath = filepath.Clean(o.UploadPath)
o.UploadURI = filepath.Clean(o.UploadURI)
up, err := filesystem.New(o)
if err != nil {
lo.Fatalf("error initializing filesystem upload provider %s", err)
}
lo.Println("media upload provider: filesystem")
return up
default:
lo.Fatalf("unknown provider. select filesystem or s3")
}
return nil
}
// initNotifTemplates compiles and returns e-mail notification templates that are
// used for sending ad-hoc notifications to admins and subscribers.
func initNotifTemplates(path string, fs stuffbin.FileSystem, i *i18n.I18n, cs *constants) *notifTpls {
// Register utility functions that the e-mail templates can use.
funcs := template.FuncMap{
"RootURL": func() string {
return cs.RootURL
},
"LogoURL": func() string {
return cs.LogoURL
},
"Date": func(layout string) string {
if layout == "" {
layout = time.ANSIC
}
return time.Now().Format(layout)
},
"L": func() *i18n.I18n {
return i
},
"Safe": func(safeHTML string) template.HTML {
return template.HTML(safeHTML)
},
}
for k, v := range sprig.GenericFuncMap() {
funcs[k] = v
}
tpls, err := stuffbin.ParseTemplatesGlob(funcs, fs, "/static/email-templates/*.html")
if err != nil {
lo.Fatalf("error parsing e-mail notif templates: %v", err)
}
html, err := fs.Read("/static/email-templates/base.html")
if err != nil {
lo.Fatalf("error reading static/email-templates/base.html: %v", err)
}
out := &notifTpls{
tpls: tpls,
contentType: models.CampaignContentTypeHTML,
}
// Determine whether the notification templates are HTML or plaintext.
// Copy the first few (arbitrary) bytes of the template and check if has the <!doctype html> tag.
ln := 256
if len(html) < ln {
ln = len(html)
}
h := make([]byte, ln)
copy(h, html[0:ln])
if !bytes.Contains(bytes.ToLower(h), []byte("<!doctype html")) {
out.contentType = models.CampaignContentTypePlain
lo.Println("system e-mail templates are plaintext")
}
return out
}
// initBounceManager initializes the bounce manager that scans mailboxes and listens to webhooks
// for incoming bounce events.
func initBounceManager(app *App) *bounce.Manager {
opt := bounce.Opt{
WebhooksEnabled: ko.Bool("bounce.webhooks_enabled"),
SESEnabled: ko.Bool("bounce.ses_enabled"),
SendgridEnabled: ko.Bool("bounce.sendgrid_enabled"),
SendgridKey: ko.String("bounce.sendgrid_key"),
RecordBounceCB: app.core.RecordBounce,
}
// For now, only one mailbox is supported.
for _, b := range ko.Slices("bounce.mailboxes") {
if !b.Bool("enabled") {
continue
}
var boxOpt mailbox.Opt
if err := b.UnmarshalWithConf("", &boxOpt, koanf.UnmarshalConf{Tag: "json"}); err != nil {
lo.Fatalf("error reading bounce mailbox config: %v", err)
}
opt.MailboxType = b.String("type")
opt.MailboxEnabled = true
opt.Mailbox = boxOpt
break
}
b, err := bounce.New(opt, &bounce.Queries{
RecordQuery: app.queries.RecordBounce,
}, app.log)
if err != nil {
lo.Fatalf("error initializing bounce manager: %v", err)
}
return b
}
func initAbout(q *models.Queries, db *sqlx.DB) about {
var (
mem runtime.MemStats
utsname syscall.Utsname
)
// Memory / alloc stats.
runtime.ReadMemStats(&mem)
// OS info.
if err := syscall.Uname(&utsname); err != nil {
lo.Printf("WARNING: error getting system info: %v", err)
}
// DB dbv.
info := types.JSONText(`{}`)
if err := db.QueryRow(q.GetDBInfo).Scan(&info); err != nil {
lo.Printf("WARNING: error getting database version: %v", err)
}
return about{
Version: versionString,
Build: buildString,
GoArch: runtime.GOARCH,
GoVersion: runtime.Version(),
Database: info,
System: aboutSystem{
NumCPU: runtime.NumCPU(),
},
Host: aboutHost{
OS: int8ToStr(utsname.Sysname[:]),
OSRelease: int8ToStr(utsname.Release[:]),
Machine: int8ToStr(utsname.Machine[:]),
Hostname: int8ToStr(utsname.Nodename[:]),
},
}
}
// initHTTPServer sets up and runs the app's main HTTP server and blocks forever.
func initHTTPServer(app *App) *echo.Echo {
// Initialize the HTTP server.
var srv = echo.New()
srv.HideBanner = true
// Register app (*App) to be injected into all HTTP handlers.
srv.Use(func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
c.Set("app", app)
return next(c)
}
})
// Parse and load user facing templates.
tpl, err := stuffbin.ParseTemplatesGlob(template.FuncMap{
"L": func() *i18n.I18n {
return app.i18n
}}, app.fs, "/public/templates/*.html")
if err != nil {
lo.Fatalf("error parsing public templates: %v", err)
}
srv.Renderer = &tplRenderer{
templates: tpl,
SiteName: app.constants.SiteName,
RootURL: app.constants.RootURL,
LogoURL: app.constants.LogoURL,
FaviconURL: app.constants.FaviconURL,
EnablePublicSubPage: app.constants.EnablePublicSubPage,
EnablePublicArchive: app.constants.EnablePublicArchive,
}
// Initialize the static file server.
fSrv := app.fs.FileServer()
// Public (subscriber) facing static files.
srv.GET("/public/static/*", echo.WrapHandler(fSrv))
// Admin (frontend) facing static files.
srv.GET("/admin/static/*", echo.WrapHandler(fSrv))
// Public (subscriber) facing media upload files.
if ko.String("upload.provider") == "filesystem" && ko.String("upload.filesystem.upload_uri") != "" {
srv.Static(ko.String("upload.filesystem.upload_uri"), ko.String("upload.filesystem.upload_path"))
}
// Register all HTTP handlers.
initHTTPHandlers(srv, app)
// Start the server.
go func() {
if err := srv.Start(ko.String("app.address")); err != nil {
if strings.Contains(err.Error(), "Server closed") {
lo.Println("HTTP server shut down")
} else {
lo.Fatalf("error starting HTTP server: %v", err)
}
}
}()
return srv
}
func initCaptcha() *captcha.Captcha {
return captcha.New(captcha.Opt{
CaptchaSecret: ko.String("security.captcha_secret"),
})
}
func awaitReload(sigChan chan os.Signal, closerWait chan bool, closer func()) chan bool {
// The blocking signal handler that main() waits on.
out := make(chan bool)
// Respawn a new process and exit the running one.
respawn := func() {
if err := syscall.Exec(os.Args[0], os.Args, os.Environ()); err != nil {
lo.Fatalf("error spawning process: %v", err)
}
os.Exit(0)
}
// Listen for reload signal.
go func() {
for range sigChan {
lo.Println("reloading on signal ...")
go closer()
select {
case <-closerWait:
// Wait for the closer to finish.
respawn()
case <-time.After(time.Second * 3):
// Or timeout and force close.
respawn()
}
}
}()
return out
}
func joinFSPaths(root string, paths []string) []string {
out := make([]string, 0, len(paths))
for _, p := range paths {
// real_path:stuffbin_alias
f := strings.Split(p, ":")
out = append(out, path.Join(root, f[0])+":"+f[1])
}
return out
}