Add BasicAuth to admin endpoints.

This removes the Nginx dependency for protecting admin pages.
BasicAuth is configured in config.toml. This is a "temporary"
setup until a full fledged auth mechanism is added.
This commit is contained in:
Kailash Nadh 2020-08-08 13:11:49 +05:30
parent 7ed07550ff
commit b822955ac9
8 changed files with 118 additions and 79 deletions

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@ -560,16 +560,12 @@ func sendTestMessage(sub models.Subscriber, camp *models.Campaign, app *App) err
fmt.Sprintf("Error rendering message: %v", err))
}
if err := app.messenger.Push(messenger.Message{
return app.messenger.Push(messenger.Message{
From: camp.FromEmail,
To: []string{sub.Email},
Subject: m.Subject(),
Body: m.Body(),
}); err != nil {
return err
}
return nil
})
}
// validateCampaignFields validates incoming campaign field values.

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@ -2,6 +2,13 @@
# Interface and port where the app will run its webserver.
address = "0.0.0.0:9000"
# BasicAuth authentication for the admin dashboard. This will eventually
# be replaced with a better multi-user, role-based authentication system.
# IMPORTANT: Leave both values empty to disable authentication on admin
# only where an external authentication is already setup.
admin_username = "listmonk"
admin_password = "listmonk"
# Database.
[db]
host = "db"

1
go.mod
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@ -3,6 +3,7 @@ module github.com/knadh/listmonk
go 1.13
require (
github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
github.com/disintegration/imaging v1.6.2
github.com/gofrs/uuid v3.2.0+incompatible
github.com/jaytaylor/html2text v0.0.0-20200220170450-61d9dc4d7195

3
go.sum
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@ -3,6 +3,9 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v1.0.2 h1:KPldsxuKGsS2FPWsNeg9ZO18aCrGKujPoWXn2yo+KQM=
github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=

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@ -1,12 +1,14 @@
package main
import (
"crypto/subtle"
"net/http"
"net/url"
"regexp"
"strconv"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
const (
@ -30,71 +32,87 @@ var reUUID = regexp.MustCompile("^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[
// registerHandlers registers HTTP handlers.
func registerHTTPHandlers(e *echo.Echo) {
e.GET("/", handleIndexPage)
e.GET("/api/health", handleHealthCheck)
e.GET("/api/config.js", handleGetConfigScript)
e.GET("/api/dashboard/charts", handleGetDashboardCharts)
e.GET("/api/dashboard/counts", handleGetDashboardCounts)
// Group of private handlers with BasicAuth.
g := e.Group("", middleware.BasicAuth(basicAuth))
e.GET("/api/settings", handleGetSettings)
e.PUT("/api/settings", handleUpdateSettings)
e.POST("/api/admin/reload", handleReloadApp)
g.GET("/", handleIndexPage)
g.GET("/api/health", handleHealthCheck)
g.GET("/api/config.js", handleGetConfigScript)
g.GET("/api/dashboard/charts", handleGetDashboardCharts)
g.GET("/api/dashboard/counts", handleGetDashboardCounts)
e.GET("/api/subscribers/:id", handleGetSubscriber)
e.GET("/api/subscribers/:id/export", handleExportSubscriberData)
e.POST("/api/subscribers", handleCreateSubscriber)
e.PUT("/api/subscribers/:id", handleUpdateSubscriber)
e.POST("/api/subscribers/:id/optin", handleSubscriberSendOptin)
e.PUT("/api/subscribers/blocklist", handleBlocklistSubscribers)
e.PUT("/api/subscribers/:id/blocklist", handleBlocklistSubscribers)
e.PUT("/api/subscribers/lists/:id", handleManageSubscriberLists)
e.PUT("/api/subscribers/lists", handleManageSubscriberLists)
e.DELETE("/api/subscribers/:id", handleDeleteSubscribers)
e.DELETE("/api/subscribers", handleDeleteSubscribers)
g.GET("/api/settings", handleGetSettings)
g.PUT("/api/settings", handleUpdateSettings)
g.POST("/api/admin/reload", handleReloadApp)
g.GET("/api/subscribers/:id", handleGetSubscriber)
g.GET("/api/subscribers/:id/export", handleExportSubscriberData)
g.POST("/api/subscribers", handleCreateSubscriber)
g.PUT("/api/subscribers/:id", handleUpdateSubscriber)
g.POST("/api/subscribers/:id/optin", handleSubscriberSendOptin)
g.PUT("/api/subscribers/blocklist", handleBlocklistSubscribers)
g.PUT("/api/subscribers/:id/blocklist", handleBlocklistSubscribers)
g.PUT("/api/subscribers/lists/:id", handleManageSubscriberLists)
g.PUT("/api/subscribers/lists", handleManageSubscriberLists)
g.DELETE("/api/subscribers/:id", handleDeleteSubscribers)
g.DELETE("/api/subscribers", handleDeleteSubscribers)
// Subscriber operations based on arbitrary SQL queries.
// These aren't very REST-like.
e.POST("/api/subscribers/query/delete", handleDeleteSubscribersByQuery)
e.PUT("/api/subscribers/query/blocklist", handleBlocklistSubscribersByQuery)
e.PUT("/api/subscribers/query/lists", handleManageSubscriberListsByQuery)
e.GET("/api/subscribers", handleQuerySubscribers)
g.POST("/api/subscribers/query/delete", handleDeleteSubscribersByQuery)
g.PUT("/api/subscribers/query/blocklist", handleBlocklistSubscribersByQuery)
g.PUT("/api/subscribers/query/lists", handleManageSubscriberListsByQuery)
g.GET("/api/subscribers", handleQuerySubscribers)
e.GET("/api/import/subscribers", handleGetImportSubscribers)
e.GET("/api/import/subscribers/logs", handleGetImportSubscriberStats)
e.POST("/api/import/subscribers", handleImportSubscribers)
e.DELETE("/api/import/subscribers", handleStopImportSubscribers)
g.GET("/api/import/subscribers", handleGetImportSubscribers)
g.GET("/api/import/subscribers/logs", handleGetImportSubscriberStats)
g.POST("/api/import/subscribers", handleImportSubscribers)
g.DELETE("/api/import/subscribers", handleStopImportSubscribers)
e.GET("/api/lists", handleGetLists)
e.GET("/api/lists/:id", handleGetLists)
e.POST("/api/lists", handleCreateList)
e.PUT("/api/lists/:id", handleUpdateList)
e.DELETE("/api/lists/:id", handleDeleteLists)
g.GET("/api/lists", handleGetLists)
g.GET("/api/lists/:id", handleGetLists)
g.POST("/api/lists", handleCreateList)
g.PUT("/api/lists/:id", handleUpdateList)
g.DELETE("/api/lists/:id", handleDeleteLists)
e.GET("/api/campaigns", handleGetCampaigns)
e.GET("/api/campaigns/running/stats", handleGetRunningCampaignStats)
e.GET("/api/campaigns/:id", handleGetCampaigns)
e.GET("/api/campaigns/:id/preview", handlePreviewCampaign)
e.POST("/api/campaigns/:id/preview", handlePreviewCampaign)
e.POST("/api/campaigns/:id/test", handleTestCampaign)
e.POST("/api/campaigns", handleCreateCampaign)
e.PUT("/api/campaigns/:id", handleUpdateCampaign)
e.PUT("/api/campaigns/:id/status", handleUpdateCampaignStatus)
e.DELETE("/api/campaigns/:id", handleDeleteCampaign)
g.GET("/api/campaigns", handleGetCampaigns)
g.GET("/api/campaigns/running/stats", handleGetRunningCampaignStats)
g.GET("/api/campaigns/:id", handleGetCampaigns)
g.GET("/api/campaigns/:id/preview", handlePreviewCampaign)
g.POST("/api/campaigns/:id/preview", handlePreviewCampaign)
g.POST("/api/campaigns/:id/test", handleTestCampaign)
g.POST("/api/campaigns", handleCreateCampaign)
g.PUT("/api/campaigns/:id", handleUpdateCampaign)
g.PUT("/api/campaigns/:id/status", handleUpdateCampaignStatus)
g.DELETE("/api/campaigns/:id", handleDeleteCampaign)
e.GET("/api/media", handleGetMedia)
e.POST("/api/media", handleUploadMedia)
e.DELETE("/api/media/:id", handleDeleteMedia)
g.GET("/api/media", handleGetMedia)
g.POST("/api/media", handleUploadMedia)
g.DELETE("/api/media/:id", handleDeleteMedia)
e.GET("/api/templates", handleGetTemplates)
e.GET("/api/templates/:id", handleGetTemplates)
e.GET("/api/templates/:id/preview", handlePreviewTemplate)
e.POST("/api/templates/preview", handlePreviewTemplate)
e.POST("/api/templates", handleCreateTemplate)
e.PUT("/api/templates/:id", handleUpdateTemplate)
e.PUT("/api/templates/:id/default", handleTemplateSetDefault)
e.DELETE("/api/templates/:id", handleDeleteTemplate)
g.GET("/api/templates", handleGetTemplates)
g.GET("/api/templates/:id", handleGetTemplates)
g.GET("/api/templates/:id/preview", handlePreviewTemplate)
g.POST("/api/templates/preview", handlePreviewTemplate)
g.POST("/api/templates", handleCreateTemplate)
g.PUT("/api/templates/:id", handleUpdateTemplate)
g.PUT("/api/templates/:id/default", handleTemplateSetDefault)
g.DELETE("/api/templates/:id", handleDeleteTemplate)
// Subscriber facing views.
// Static admin views.
g.GET("/lists", handleIndexPage)
g.GET("/lists/forms", handleIndexPage)
g.GET("/subscribers", handleIndexPage)
g.GET("/subscribers/lists/:listID", handleIndexPage)
g.GET("/subscribers/import", handleIndexPage)
g.GET("/campaigns", handleIndexPage)
g.GET("/campaigns/new", handleIndexPage)
g.GET("/campaigns/media", handleIndexPage)
g.GET("/campaigns/templates", handleIndexPage)
g.GET("/campaigns/:campignID", handleIndexPage)
g.GET("/settings", handleIndexPage)
// Public subscriber facing views.
e.POST("/subscription/form", handleSubscriptionForm)
e.GET("/subscription/:campUUID/:subUUID", validateUUID(subscriberExists(handleSubscriptionPage),
"campUUID", "subUUID"))
@ -112,19 +130,6 @@ func registerHTTPHandlers(e *echo.Echo) {
"campUUID", "subUUID"))
e.GET("/campaign/:campUUID/:subUUID/px.png", validateUUID(handleRegisterCampaignView,
"campUUID", "subUUID"))
// Static views.
e.GET("/lists", handleIndexPage)
e.GET("/lists/forms", handleIndexPage)
e.GET("/subscribers", handleIndexPage)
e.GET("/subscribers/lists/:listID", handleIndexPage)
e.GET("/subscribers/import", handleIndexPage)
e.GET("/campaigns", handleIndexPage)
e.GET("/campaigns/new", handleIndexPage)
e.GET("/campaigns/media", handleIndexPage)
e.GET("/campaigns/templates", handleIndexPage)
e.GET("/campaigns/:campignID", handleIndexPage)
e.GET("/settings", handleIndexPage)
}
// handleIndex is the root handler that renders the Javascript frontend.
@ -145,6 +150,23 @@ func handleHealthCheck(c echo.Context) error {
return c.JSON(http.StatusOK, okResp{true})
}
// basicAuth middleware does an HTTP BasicAuth authentication for admin handlers.
func basicAuth(username, password string, c echo.Context) (bool, error) {
app := c.Get("app").(*App)
// Auth is disabled.
if len(app.constants.AdminUsername) == 0 &&
len(app.constants.AdminPassword) == 0 {
return true, nil
}
if subtle.ConstantTimeCompare([]byte(username), app.constants.AdminUsername) == 1 &&
subtle.ConstantTimeCompare([]byte(password), app.constants.AdminPassword) == 1 {
return true, nil
}
return false, nil
}
// validateUUID middleware validates the UUID string format for a given set of params.
func validateUUID(next echo.HandlerFunc, params ...string) echo.HandlerFunc {
return func(c echo.Context) error {

13
init.go
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@ -48,13 +48,14 @@ type constants struct {
AllowWipe bool `koanf:"allow_wipe"`
Exportable map[string]bool `koanf:"-"`
} `koanf:"privacy"`
AdminUsername []byte `koanf:"admin_username"`
AdminPassword []byte `koanf:"admin_password"`
UnsubURL string
LinkTrackURL string
ViewTrackURL string
OptinURL string
MessageURL string
UnsubURL string
LinkTrackURL string
ViewTrackURL string
OptinURL string
MessageURL string
MediaProvider string
}

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@ -5,6 +5,7 @@ import (
"fmt"
"io/ioutil"
"os"
"regexp"
"strings"
"github.com/gofrs/uuid"
@ -170,5 +171,12 @@ func newConfigFile() error {
return fmt.Errorf("error reading sample config (is binary stuffed?): %v", err)
}
// Generate a random admin password.
pwd, err := generateRandomString(16)
if err == nil {
b = regexp.MustCompile(`admin_password\s+?=\s+?(.*)`).
ReplaceAll(b, []byte(fmt.Sprintf(`admin_password = "%s"`, pwd)))
}
return ioutil.WriteFile("config.toml", b, 0644)
}

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@ -75,6 +75,7 @@ func V0_7_0(db *sqlx.DB, fs stuffbin.FileSystem, ko *koanf.Koanf) error {
('app.batch_size', '1000'),
('app.max_send_errors', '1000'),
('app.notify_emails', '["admin1@mysite.com", "admin2@mysite.com"]'),
('privacy.unsubscribe_header', 'true'),
('privacy.allow_blocklist', 'true'),
('privacy.allow_export', 'true'),
('privacy.allow_wipe', 'true'),