Files

318 lines
14 KiB
Go

package appconfig
import (
"errors"
"reflect"
"strconv"
"strings"
"time"
"github.com/italypaleale/go-kit/utils"
"github.com/pocket-id/pocket-id/backend/internal/common"
"github.com/pocket-id/pocket-id/backend/internal/dto"
)
type AppConfigModel struct {
// General
AppName AppConfigValue `json:"appName" env:"APP_NAME" public:"true"`
SessionDuration AppConfigValue `json:"sessionDuration" env:"SESSION_DURATION" type:"int"` // In minutes
HomePageURL AppConfigValue `json:"homePageUrl" env:"HOME_PAGE_URL" public:"true"`
EmailsVerified AppConfigValue `json:"emailsVerified" env:"EMAILS_VERIFIED" type:"bool"`
AccentColor AppConfigValue `json:"accentColor" env:"ACCENT_COLOR" public:"true"`
DisableAnimations AppConfigValue `json:"disableAnimations" env:"DISABLE_ANIMATIONS" type:"bool" public:"true"`
AllowOwnAccountEdit AppConfigValue `json:"allowOwnAccountEdit" env:"ALLOW_OWN_ACCOUNT_EDIT" type:"bool" public:"true"`
AllowUserSignups AppConfigValue `json:"allowUserSignups" env:"ALLOW_USER_SIGNUPS" public:"true"`
SignupDefaultUserGroupIDs AppConfigValue `json:"signupDefaultUserGroupIDs" env:"SIGNUP_DEFAULT_USER_GROUP_IDS"` // JSON-encoded array of strings
SignupDefaultCustomClaims AppConfigValue `json:"signupDefaultCustomClaims" env:"SIGNUP_DEFAULT_CUSTOM_CLAIMS"` // JSON-encoded array of {key:string,value:string}
// Email
RequireUserEmail AppConfigValue `json:"requireUserEmail" env:"REQUIRE_USER_EMAIL" type:"bool" public:"true"`
SmtpHost AppConfigValue `json:"smtpHost" env:"SMTP_HOST"`
SmtpPort AppConfigValue `json:"smtpPort" env:"SMTP_PORT"`
SmtpFrom AppConfigValue `json:"smtpFrom" env:"SMTP_FROM"`
SmtpUser AppConfigValue `json:"smtpUser" env:"SMTP_USER"`
SmtpPassword AppConfigValue `json:"smtpPassword" env:"SMTP_PASSWORD" sensitive:"true"`
SmtpTls AppConfigValue `json:"smtpTls" env:"SMTP_TLS"`
SmtpSkipCertVerify AppConfigValue `json:"smtpSkipCertVerify" env:"SMTP_SKIP_CERT_VERIFY" type:"bool"`
EmailLoginNotificationEnabled AppConfigValue `json:"emailLoginNotificationEnabled" env:"EMAIL_LOGIN_NOTIFICATION_ENABLED" type:"bool"`
EmailOneTimeAccessAsUnauthenticatedEnabled AppConfigValue `json:"emailOneTimeAccessAsUnauthenticatedEnabled" env:"EMAIL_ONE_TIME_ACCESS_AS_UNAUTHENTICATED_ENABLED" type:"bool" public:"true"`
EmailOneTimeAccessAsAdminEnabled AppConfigValue `json:"emailOneTimeAccessAsAdminEnabled" env:"EMAIL_ONE_TIME_ACCESS_AS_ADMIN_ENABLED" type:"bool" public:"true"`
EmailApiKeyExpirationEnabled AppConfigValue `json:"emailApiKeyExpirationEnabled" env:"EMAIL_API_KEY_EXPIRATION_ENABLED" type:"bool"`
EmailVerificationEnabled AppConfigValue `json:"emailVerificationEnabled" env:"EMAIL_VERIFICATION_ENABLED" type:"bool" public:"true"`
// LDAP
LdapEnabled AppConfigValue `json:"ldapEnabled" env:"LDAP_ENABLED" type:"bool" public:"true"`
LdapUrl AppConfigValue `json:"ldapUrl" env:"LDAP_URL"`
LdapBindDn AppConfigValue `json:"ldapBindDn" env:"LDAP_BIND_DN"`
LdapBindPassword AppConfigValue `json:"ldapBindPassword" env:"LDAP_BIND_PASSWORD" sensitive:"true"`
LdapBase AppConfigValue `json:"ldapBase" env:"LDAP_BASE"`
LdapUserSearchFilter AppConfigValue `json:"ldapUserSearchFilter" env:"LDAP_USER_SEARCH_FILTER"`
LdapUserGroupSearchFilter AppConfigValue `json:"ldapUserGroupSearchFilter" env:"LDAP_USER_GROUP_SEARCH_FILTER"`
LdapSkipCertVerify AppConfigValue `json:"ldapSkipCertVerify" env:"LDAP_SKIP_CERT_VERIFY" type:"bool"`
LdapAttributeUserUniqueIdentifier AppConfigValue `json:"ldapAttributeUserUniqueIdentifier" env:"LDAP_ATTRIBUTE_USER_UNIQUE_IDENTIFIER"`
LdapAttributeUserUsername AppConfigValue `json:"ldapAttributeUserUsername" env:"LDAP_ATTRIBUTE_USER_USERNAME"`
LdapAttributeUserEmail AppConfigValue `json:"ldapAttributeUserEmail" env:"LDAP_ATTRIBUTE_USER_EMAIL"`
LdapAttributeUserFirstName AppConfigValue `json:"ldapAttributeUserFirstName" env:"LDAP_ATTRIBUTE_USER_FIRST_NAME"`
LdapAttributeUserLastName AppConfigValue `json:"ldapAttributeUserLastName" env:"LDAP_ATTRIBUTE_USER_LAST_NAME"`
LdapAttributeUserDisplayName AppConfigValue `json:"ldapAttributeUserDisplayName" env:"LDAP_ATTRIBUTE_USER_DISPLAY_NAME"`
LdapAttributeUserProfilePicture AppConfigValue `json:"ldapAttributeUserProfilePicture" env:"LDAP_ATTRIBUTE_USER_PROFILE_PICTURE"`
LdapAttributeGroupMember AppConfigValue `json:"ldapAttributeGroupMember" env:"LDAP_ATTRIBUTE_GROUP_MEMBER"`
LdapAttributeGroupUniqueIdentifier AppConfigValue `json:"ldapAttributeGroupUniqueIdentifier" env:"LDAP_ATTRIBUTE_GROUP_UNIQUE_IDENTIFIER"`
LdapAttributeGroupName AppConfigValue `json:"ldapAttributeGroupName" env:"LDAP_ATTRIBUTE_GROUP_NAME"`
LdapAdminGroupName AppConfigValue `json:"ldapAdminGroupName" env:"LDAP_ADMIN_GROUP_NAME"`
LdapSoftDeleteUsers AppConfigValue `json:"ldapSoftDeleteUsers" env:"LDAP_SOFT_DELETE_USERS" type:"bool"`
// WebAuthn
WebauthnUserVerification AppConfigValue `json:"webauthnUserVerification" env:"WEBAUTHN_USER_VERIFICATION"`
WebauthnAllowSyncedPasskeys AppConfigValue `json:"webauthnAllowSyncedPasskeys" env:"WEBAUTHN_ALLOW_SYNCED_PASSKEYS" type:"bool"`
WebauthnAuthenticatorAttachment AppConfigValue `json:"webauthnAuthenticatorAttachment" env:"WEBAUTHN_AUTHENTICATOR_ATTACHMENT"`
// OIDC
CIMDURLAllowlist AppConfigValue `json:"cimdUrlAllowlist" env:"CIMD_URL_ALLOWLIST"` // JSON-encoded array of strings
}
// appConfigEnvName returns the explicit environment variable name for a JSON configuration field
func appConfigEnvName(jsonName string) (string, bool) {
modelType := reflect.TypeFor[AppConfigModel]()
for i := range modelType.NumField() {
field := modelType.Field(i)
fieldJSONName, _, _ := strings.Cut(field.Tag.Get("json"), ",")
if fieldJSONName == jsonName {
envName := field.Tag.Get("env")
return envName, envName != ""
}
}
return "", false
}
// Clone returns a deep copy of the AppConfigModel.
func (m *AppConfigModel) Clone() *AppConfigModel {
if m == nil {
return nil
}
// All fields are value types (AppConfigValue is a string), so copying the struct is sufficient for a deep copy.
clone := *m
return &clone
}
// AppConfigValue holds a value
type AppConfigValue string
// IsTrue returns true if the value is a truthy string, such as "true", "t", "yes", "1", etc.
func (a AppConfigValue) IsTrue() bool {
return utils.IsTruthy(string(a))
}
// AsDurationMinutes returns the value as a time.Duration, interpreting the string as a whole number of minutes.
func (a AppConfigValue) AsDurationMinutes() time.Duration {
val, err := strconv.Atoi(string(a))
if err != nil {
return 0
}
return time.Duration(val) * time.Minute
}
// String implements fmt.Stringer
func (a AppConfigValue) String() string {
return string(a)
}
func getDefaultConfig() *AppConfigModel {
// Values are the default ones
return &AppConfigModel{
// General
AppName: "Pocket ID",
SessionDuration: "60",
HomePageURL: "/settings/account",
EmailsVerified: "false",
DisableAnimations: "false",
AllowOwnAccountEdit: "true",
AllowUserSignups: "disabled",
SignupDefaultUserGroupIDs: "[]",
SignupDefaultCustomClaims: "[]",
AccentColor: "default",
// Email
RequireUserEmail: "true",
SmtpHost: "",
SmtpPort: "",
SmtpFrom: "",
SmtpUser: "",
SmtpPassword: "",
SmtpTls: "none",
SmtpSkipCertVerify: "false",
EmailLoginNotificationEnabled: "false",
EmailOneTimeAccessAsUnauthenticatedEnabled: "false",
EmailOneTimeAccessAsAdminEnabled: "false",
EmailApiKeyExpirationEnabled: "false",
EmailVerificationEnabled: "false",
// LDAP
LdapEnabled: "false",
LdapUrl: "",
LdapBindDn: "",
LdapBindPassword: "",
LdapBase: "",
LdapUserSearchFilter: "(objectClass=person)",
LdapUserGroupSearchFilter: "(objectClass=groupOfNames)",
LdapSkipCertVerify: "false",
LdapAttributeUserUniqueIdentifier: "",
LdapAttributeUserUsername: "",
LdapAttributeUserEmail: "",
LdapAttributeUserFirstName: "",
LdapAttributeUserLastName: "",
LdapAttributeUserDisplayName: "cn",
LdapAttributeUserProfilePicture: "",
LdapAttributeGroupMember: "member",
LdapAttributeGroupUniqueIdentifier: "",
LdapAttributeGroupName: "",
LdapAdminGroupName: "",
LdapSoftDeleteUsers: "true",
// WebAuthn
WebauthnUserVerification: "required",
WebauthnAllowSyncedPasskeys: "true",
WebauthnAuthenticatorAttachment: "any",
// OIDC
CIMDURLAllowlist: "[]",
}
}
// applyDefaults fills empty properties from the default configuration and reports whether the model changed
func (m *AppConfigModel) applyDefaults() bool {
defaults := reflect.ValueOf(getDefaultConfig()).Elem()
values := reflect.ValueOf(m).Elem()
changed := false
for i := range values.NumField() {
if values.Field(i).String() != "" || defaults.Field(i).String() == "" {
continue
}
values.Field(i).Set(defaults.Field(i))
changed = true
}
return changed
}
// Replace updates every configuration property with the values from the input DTO
// An empty string value resets the corresponding property to its default value
func (m *AppConfigModel) Replace(input dto.AppConfigUpdateDto) {
// Collect the values from the input DTO into a map, keyed by the "json" tag
inRv := reflect.ValueOf(input)
inRt := inRv.Type()
values := make(map[string]string, inRt.NumField())
for i := range inRt.NumField() {
// Get the value of the json tag, taking only what's before the comma
key, _, _ := strings.Cut(inRt.Field(i).Tag.Get("json"), ",")
values[key] = inRv.Field(i).String()
}
// Iterate through all the properties, setting each one from the input
// Properties that are missing from the input or have an empty value are reset to their default
defaults := reflect.ValueOf(getDefaultConfig()).Elem()
rv := reflect.ValueOf(m).Elem()
rt := rv.Type()
for i := range rt.NumField() {
key, _, _ := strings.Cut(rt.Field(i).Tag.Get("json"), ",")
value, ok := values[key]
if !ok || value == "" {
value = defaults.Field(i).String()
}
rv.Field(i).SetString(value)
}
}
// Update sets configuration properties from the provided key-value pairs
// Keys correspond to the "json" tags on the model
// An empty string value resets the property to its default value
func (m *AppConfigModel) Update(values map[string]string) error {
rv := reflect.ValueOf(m).Elem()
rt := rv.Type()
defaults := reflect.ValueOf(getDefaultConfig()).Elem()
// Iterate through the key-value pairs
for key, value := range values {
// Find the field in the struct whose "json" tag matches
fieldIdx := -1
for j := range rt.NumField() {
// Separate the key (before the comma) from any optional attributes after
tagValue, _, _ := strings.Cut(rt.Field(j).Tag.Get("json"), ",")
if tagValue == key {
fieldIdx = j
break
}
}
if fieldIdx < 0 {
return AppConfigKeyNotFoundError{field: key}
}
// An empty string means we use the default value for the property
if value == "" {
value = defaults.Field(fieldIdx).String()
}
rv.Field(fieldIdx).SetString(value)
}
return nil
}
// AppConfigVariable is a single application configuration property, as a key/value pair
type AppConfigVariable struct {
Key string
Value string
}
// ToAppConfigVariableSlice returns the configuration as a slice of key/value pairs
// If showAll is false, only properties marked as public are included
// If redactSensitiveValues is true, sensitive values are redacted when the UI config is disabled
func (m *AppConfigModel) ToAppConfigVariableSlice(showAll bool, redactSensitiveValues bool) []AppConfigVariable {
// Iterate through all fields
cfgValue := reflect.ValueOf(m).Elem()
cfgType := cfgValue.Type()
res := make([]AppConfigVariable, 0, cfgType.NumField())
for i := range cfgType.NumField() {
field := cfgType.Field(i)
key, _, _ := strings.Cut(field.Tag.Get("json"), ",")
if key == "" {
continue
}
// If we're only showing public variables and this is not public, skip it
if !showAll && field.Tag.Get("public") != "true" {
continue
}
value := cfgValue.Field(i).String()
// Redact sensitive values if the value isn't empty, the UI config is disabled, and redactSensitiveValues is true
if value != "" && common.EnvConfig.UiConfigDisabled && redactSensitiveValues && field.Tag.Get("sensitive") == "true" {
value = "XXXXXXXXXX"
}
res = append(res, AppConfigVariable{
Key: key,
Value: value,
})
}
return res
}
type AppConfigKeyNotFoundError struct {
field string
}
func (e AppConfigKeyNotFoundError) Error() string {
return "cannot find config key '" + e.field + "'"
}
func (e AppConfigKeyNotFoundError) Is(target error) bool {
// Ignore the field property when checking if an error is of the type AppConfigKeyNotFoundError
_, ok := errors.AsType[*AppConfigKeyNotFoundError](target)
return ok
}