added custom validator and validation to put settings api

cmd/init.go

@@ -18,6 +18,7 @@ import (
 
 	"github.com/Masterminds/sprig/v3"
 	"github.com/gdgvda/cron"
+	"github.com/go-playground/validator/v10"
 	"github.com/jmoiron/sqlx"
 	"github.com/jmoiron/sqlx/types"
 	"github.com/knadh/goyesql/v2"
@@ -789,6 +790,8 @@ func initHTTPServer(app *App) *echo.Echo {
 		srv.Static(ko.String("upload.filesystem.upload_uri"), ko.String("upload.filesystem.upload_path"))
 	}
 
+	srv.Validator = &CustomValidator{Validator: validator.New()}
+
 	// Register all HTTP handlers.
 	initHTTPHandlers(srv, app)
 

cmd/settings.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/gdgvda/cron"
 	"github.com/gofrs/uuid/v5"
+	"github.com/jinzhu/copier"
 	"github.com/jmoiron/sqlx/types"
 	"github.com/knadh/koanf/parsers/json"
 	"github.com/knadh/koanf/providers/rawbytes"
@@ -79,11 +80,15 @@ func handleGetSettings(c echo.Context) error {
 func handleUpdateSettings(c echo.Context) error {
 	var (
 		app      = c.Get("app").(*App)
-		set models.Settings
+		req, set models.Settings
 	)
 
 	// Unmarshal and marshal the fields once to sanitize the settings blob.
-	if err := c.Bind(&set); err != nil {
+	if err := c.Bind(&req); err != nil {
+		return err
+	}
+
+	if err := c.Validate(req); err != nil {
 		return err
 	}
 
@@ -93,10 +98,13 @@ func handleUpdateSettings(c echo.Context) error {
 		return err
 	}
 
+	set = cur
+	copier.CopyWithOption(&set, &req, copier.Option{IgnoreEmpty: true})
+
 	// There should be at least one SMTP block that's enabled.
 	has := false
 	for i, s := range set.SMTP {
-		if s.Enabled {
+		if *s.Enabled {
 			has = true
 		}
 
@@ -157,6 +165,24 @@ func handleUpdateSettings(c echo.Context) error {
 		}
 	}
 
+	// handle bounce postmark
+	if set.BouncePostmark.Enabled == nil {
+		set.BouncePostmark.Enabled = cur.BouncePostmark.Enabled
+	}
+	if set.BouncePostmark.Username == "" {
+		set.BouncePostmark.Username = cur.BouncePostmark.Username
+	}
+	if set.BouncePostmark.Password == "" {
+		set.BouncePostmark.Password = cur.BouncePostmark.Password
+	}
+
+	// handle bounce actions
+	for name, action := range cur.BounceActions {
+		if _, ok := set.BounceActions[name]; !ok {
+			set.BounceActions[name] = action
+		}
+	}
+
 	// Validate and sanitize postback Messenger names. Duplicates are disallowed
 	// and "email" is a reserved name.
 	names := map[string]bool{emailMsgr: true}
@@ -188,20 +214,6 @@ func handleUpdateSettings(c echo.Context) error {
 		names[name] = true
 	}
 
-	// S3 password?
-	if set.UploadS3AwsSecretAccessKey == "" {
-		set.UploadS3AwsSecretAccessKey = cur.UploadS3AwsSecretAccessKey
-	}
-	if set.SendgridKey == "" {
-		set.SendgridKey = cur.SendgridKey
-	}
-	if set.BouncePostmark.Password == "" {
-		set.BouncePostmark.Password = cur.BouncePostmark.Password
-	}
-	if set.SecurityCaptchaSecret == "" {
-		set.SecurityCaptchaSecret = cur.SecurityCaptchaSecret
-	}
-
 	for n, v := range set.UploadExtensions {
 		set.UploadExtensions[n] = strings.ToLower(strings.TrimPrefix(strings.TrimSpace(v), "."))
 	}
@@ -217,7 +229,7 @@ func handleUpdateSettings(c echo.Context) error {
 	set.DomainBlocklist = doms
 
 	// Validate slow query caching cron.
-	if set.CacheSlowQueries {
+	if *set.CacheSlowQueries {
 		if _, err := cron.ParseStandard(set.CacheSlowQueriesInterval); err != nil {
 			return echo.NewHTTPError(http.StatusBadRequest, app.i18n.Ts("globals.messages.invalidData")+": slow query cron: "+err.Error())
 		}

cmd/validator.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/labstack/echo/v4"
+)
+
+type CustomValidator struct {
+	Validator *validator.Validate
+}
+
+func (c *CustomValidator) Validate(i interface{}) error {
+	if err := c.Validator.Struct(i); err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, err.Error())
+	}
+	return nil
+}

go.mod

@@ -7,8 +7,10 @@ require (
 	github.com/disintegration/imaging v1.6.2
 	github.com/emersion/go-message v0.16.0
 	github.com/gdgvda/cron v0.2.0
+	github.com/go-playground/validator/v10 v10.22.0
 	github.com/gofrs/uuid/v5 v5.0.0
 	github.com/gorilla/feeds v1.1.1
+	github.com/jinzhu/copier v0.4.0
 	github.com/jmoiron/sqlx v1.3.5
 	github.com/knadh/go-pop3 v0.3.0
 	github.com/knadh/goyesql/v2 v2.2.0
@@ -40,6 +42,9 @@ require (
 	github.com/Masterminds/semver/v3 v3.2.0 // indirect
 	github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/huandu/xstrings v1.4.0 // indirect
@@ -47,6 +52,7 @@ require (
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect

go.sum

@@ -18,8 +18,17 @@ github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594/go.mod h1:
 github.com/frankban/quicktest v1.14.3 h1:FJKSZTDHjyhriyC81FLQ0LY93eSai0ZyR/ZIkd3ZUKE=
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
+github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
+github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
 github.com/gdgvda/cron v0.2.0 h1:oX8qdLZq4tC5StnCsZsTNs2BIzaRjcjmPZ4o+BArKX4=
 github.com/gdgvda/cron v0.2.0/go.mod h1:VEwidZXB255kESB5DcUGRWTYZS8KkOBYD1YBn8Wiyx8=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.22.0 h1:k6HsTZ0sTnROkhS//R0O+55JgM8C4Bx7ia+JlgcnOao=
+github.com/go-playground/validator/v10 v10.22.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
@@ -39,6 +48,8 @@ github.com/huandu/xstrings v1.4.0 h1:D17IlohoQq4UcpqD7fDk80P7l+lwAmlFaBHgOipl2FU
 github.com/huandu/xstrings v1.4.0/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
 github.com/imdario/mergo v0.3.8 h1:CGgOkSJeqMRmt0D9XLWExdT4m4F1vd3FV3VPt+0VxkQ=
 github.com/imdario/mergo v0.3.8/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/jinzhu/copier v0.4.0 h1:w3ciUoD19shMCRargcpm0cm91ytaBhDvuRpz1ODO/U8=
+github.com/jinzhu/copier v0.4.0/go.mod h1:DfbEm0FYsaqBcKcFuvmOZb218JkPGtvSHsKg8S8hyyg=
 github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
 github.com/jmoiron/sqlx v1.3.5 h1:vFFPA71p1o5gAeqtEAwLU4dnX2napprKtHr7PYIcN3g=
 github.com/jmoiron/sqlx v1.3.5/go.mod h1:nRVWtLre0KfCLJvgxzCsLVMogSvQ1zNJtpYr2Ccp0mQ=
@@ -80,6 +91,8 @@ github.com/labstack/echo/v4 v4.11.4 h1:vDZmA+qNeh1pd/cCkEicDMrjtrnMGQ1QFI9gWN1zG
 github.com/labstack/echo/v4 v4.11.4/go.mod h1:noh7EvLwqDsmh/X/HWKPUl1AjzJrhyptRyEbQJfxen8=
 github.com/labstack/gommon v0.4.2 h1:F8qTUNXgG1+6WQmqoUWnz8WiEU60mXVVw0P4ht1WRA0=
 github.com/labstack/gommon v0.4.2/go.mod h1:QlUFxVM+SNXhDL/Z7YhocGIBYOiwB0mXm1+1bAPHPyU=
+github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
+github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=

models/settings.go

@@ -8,35 +8,35 @@ type Settings struct {
 	AppFaviconURL                 string   `json:"app.favicon_url"`
 	AppFromEmail                  string   `json:"app.from_email"`
 	AppNotifyEmails               []string `json:"app.notify_emails"`
-	EnablePublicSubPage           bool     `json:"app.enable_public_subscription_page"`
+	EnablePublicSubPage           *bool    `json:"app.enable_public_subscription_page"`
-	EnablePublicArchive           bool     `json:"app.enable_public_archive"`
+	EnablePublicArchive           *bool    `json:"app.enable_public_archive"`
-	EnablePublicArchiveRSSContent bool     `json:"app.enable_public_archive_rss_content"`
+	EnablePublicArchiveRSSContent *bool    `json:"app.enable_public_archive_rss_content"`
-	SendOptinConfirmation         bool     `json:"app.send_optin_confirmation"`
+	SendOptinConfirmation         *bool    `json:"app.send_optin_confirmation"`
-	CheckUpdates                  bool     `json:"app.check_updates"`
+	CheckUpdates                  *bool    `json:"app.check_updates"`
 	AppLang                       string   `json:"app.lang"`
 
 	AppBatchSize             int    `json:"app.batch_size"`
 	AppConcurrency           int    `json:"app.concurrency"`
 	AppMaxSendErrors         int    `json:"app.max_send_errors"`
 	AppMessageRate           int    `json:"app.message_rate"`
-	CacheSlowQueries         bool   `json:"app.cache_slow_queries"`
+	CacheSlowQueries         *bool  `json:"app.cache_slow_queries"`
 	CacheSlowQueriesInterval string `json:"app.cache_slow_queries_interval"`
 
-	AppMessageSlidingWindow         bool   `json:"app.message_sliding_window"`
+	AppMessageSlidingWindow         *bool  `json:"app.message_sliding_window"`
 	AppMessageSlidingWindowDuration string `json:"app.message_sliding_window_duration"`
 	AppMessageSlidingWindowRate     int    `json:"app.message_sliding_window_rate"`
 
-	PrivacyIndividualTracking bool     `json:"privacy.individual_tracking"`
+	PrivacyIndividualTracking *bool    `json:"privacy.individual_tracking"`
-	PrivacyUnsubHeader        bool     `json:"privacy.unsubscribe_header"`
+	PrivacyUnsubHeader        *bool    `json:"privacy.unsubscribe_header"`
-	PrivacyAllowBlocklist     bool     `json:"privacy.allow_blocklist"`
+	PrivacyAllowBlocklist     *bool    `json:"privacy.allow_blocklist"`
-	PrivacyAllowPreferences   bool     `json:"privacy.allow_preferences"`
+	PrivacyAllowPreferences   *bool    `json:"privacy.allow_preferences"`
-	PrivacyAllowExport        bool     `json:"privacy.allow_export"`
+	PrivacyAllowExport        *bool    `json:"privacy.allow_export"`
-	PrivacyAllowWipe          bool     `json:"privacy.allow_wipe"`
+	PrivacyAllowWipe          *bool    `json:"privacy.allow_wipe"`
 	PrivacyExportable         []string `json:"privacy.exportable"`
-	PrivacyRecordOptinIP      bool     `json:"privacy.record_optin_ip"`
+	PrivacyRecordOptinIP      *bool    `json:"privacy.record_optin_ip"`
 	DomainBlocklist           []string `json:"privacy.domain_blocklist"`
 
-	SecurityEnableCaptcha bool   `json:"security.enable_captcha"`
+	SecurityEnableCaptcha *bool  `json:"security.enable_captcha"`
 	SecurityCaptchaKey    string `json:"security.captcha_key"`
 	SecurityCaptchaSecret string `json:"security.captcha_secret"`
 
@@ -57,62 +57,62 @@ type Settings struct {
 
 	SMTP []struct {
 		UUID          string              `json:"uuid"`
-		Enabled       bool                `json:"enabled"`
+		Enabled       *bool               `json:"enabled" validate:"required"`
-		Host          string              `json:"host"`
+		Host          string              `json:"host" validate:"required"`
 		HelloHostname string              `json:"hello_hostname"`
-		Port          int                 `json:"port"`
+		Port          int                 `json:"port" validate:"required"`
-		AuthProtocol  string              `json:"auth_protocol"`
+		AuthProtocol  string              `json:"auth_protocol" validate:"required"`
-		Username      string              `json:"username"`
+		Username      string              `json:"username" validate:"required"`
 		Password      string              `json:"password,omitempty"`
 		EmailHeaders  []map[string]string `json:"email_headers"`
-		MaxConns      int                 `json:"max_conns"`
+		MaxConns      int                 `json:"max_conns" validate:"required"`
-		MaxMsgRetries int                 `json:"max_msg_retries"`
+		MaxMsgRetries int                 `json:"max_msg_retries" validate:"required"`
-		IdleTimeout   string              `json:"idle_timeout"`
+		IdleTimeout   string              `json:"idle_timeout" validate:"required"`
-		WaitTimeout   string              `json:"wait_timeout"`
+		WaitTimeout   string              `json:"wait_timeout" validate:"required"`
-		TLSType       string              `json:"tls_type"`
+		TLSType       string              `json:"tls_type" validate:"required"`
-		TLSSkipVerify bool                `json:"tls_skip_verify"`
+		TLSSkipVerify *bool               `json:"tls_skip_verify" validate:"required"`
-	} `json:"smtp"`
+	} `json:"smtp" validate:"omitempty,dive"`
 
 	Messengers []struct {
 		UUID          string `json:"uuid"`
-		Enabled       bool   `json:"enabled"`
+		Enabled       *bool  `json:"enabled" validate:"required"`
 		Name          string `json:"name"`
-		RootURL       string `json:"root_url"`
+		RootURL       string `json:"root_url" validate:"required"`
-		Username      string `json:"username"`
+		Username      string `json:"username" validate:"required"`
 		Password      string `json:"password,omitempty"`
-		MaxConns      int    `json:"max_conns"`
+		MaxConns      int    `json:"max_conns" validate:"required"`
-		Timeout       string `json:"timeout"`
+		Timeout       string `json:"timeout" validate:"required"`
-		MaxMsgRetries int    `json:"max_msg_retries"`
+		MaxMsgRetries int    `json:"max_msg_retries" validate:"required"`
-	} `json:"messengers"`
+	} `json:"messengers" validate:"omitempty,dive"`
 
-	BounceEnabled        bool `json:"bounce.enabled"`
+	BounceEnabled        *bool `json:"bounce.enabled"`
-	BounceEnableWebhooks bool `json:"bounce.webhooks_enabled"`
+	BounceEnableWebhooks *bool `json:"bounce.webhooks_enabled"`
 	BounceActions        map[string]struct {
-		Count  int    `json:"count"`
+		Count  int    `json:"count" validate:"required"`
-		Action string `json:"action"`
+		Action string `json:"action" validate:"required"`
-	} `json:"bounce.actions"`
+	} `json:"bounce.actions" validate:"omitempty,dive"`
-	SESEnabled      bool   `json:"bounce.ses_enabled"`
+	SESEnabled      *bool  `json:"bounce.ses_enabled"`
-	SendgridEnabled bool   `json:"bounce.sendgrid_enabled"`
+	SendgridEnabled *bool  `json:"bounce.sendgrid_enabled"`
 	SendgridKey     string `json:"bounce.sendgrid_key"`
 	BouncePostmark  struct {
-		Enabled  bool   `json:"enabled"`
+		Enabled  *bool  `json:"enabled"`
 		Username string `json:"username"`
 		Password string `json:"password"`
 	} `json:"bounce.postmark"`
 	BounceBoxes []struct {
 		UUID          string `json:"uuid"`
-		Enabled       bool   `json:"enabled"`
+		Enabled       *bool  `json:"enabled" validate:"required"`
-		Type          string `json:"type"`
+		Type          string `json:"type" validate:"required"`
-		Host          string `json:"host"`
+		Host          string `json:"host" validate:"required"`
-		Port          int    `json:"port"`
+		Port          int    `json:"port" validate:"required"`
-		AuthProtocol  string `json:"auth_protocol"`
+		AuthProtocol  string `json:"auth_protocol" validate:"required"`
-		ReturnPath    string `json:"return_path"`
+		ReturnPath    string `json:"return_path" validate:"required"`
-		Username      string `json:"username"`
+		Username      string `json:"username" validate:"required"`
 		Password      string `json:"password,omitempty"`
-		TLSEnabled    bool   `json:"tls_enabled"`
+		TLSEnabled    *bool  `json:"tls_enabled" validate:"required"`
-		TLSSkipVerify bool   `json:"tls_skip_verify"`
+		TLSSkipVerify *bool  `json:"tls_skip_verify" validate:"required"`
-		ScanInterval  string `json:"scan_interval"`
+		ScanInterval  string `json:"scan_interval" validate:"required"`
-	} `json:"bounce.mailboxes"`
+	} `json:"bounce.mailboxes" validate:"omitempty,dive"`
 
 	AdminCustomCSS  string `json:"appearance.admin.custom_css"`
 	AdminCustomJS   string `json:"appearance.admin.custom_js"`