authelia/internal/configuration/validator/identity_providers.go
James Elliott 44bd70712c
fix(configuration): sector identifier not parsed correctly (#3142)
This fixes an issue preventing the sector identifier for OpenID Connect clients from being parsed.
2022-04-08 17:38:38 +10:00

301 lines
11 KiB
Go

package validator
import (
"fmt"
"net/url"
"strings"
"time"
"github.com/authelia/authelia/v4/internal/configuration/schema"
"github.com/authelia/authelia/v4/internal/utils"
)
// ValidateIdentityProviders validates and update IdentityProviders configuration.
func ValidateIdentityProviders(config *schema.IdentityProvidersConfiguration, validator *schema.StructValidator) {
validateOIDC(config.OIDC, validator)
}
func validateOIDC(config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
if config != nil {
if config.IssuerPrivateKey == "" {
validator.Push(fmt.Errorf(errFmtOIDCNoPrivateKey))
}
if config.AccessTokenLifespan == time.Duration(0) {
config.AccessTokenLifespan = schema.DefaultOpenIDConnectConfiguration.AccessTokenLifespan
}
if config.AuthorizeCodeLifespan == time.Duration(0) {
config.AuthorizeCodeLifespan = schema.DefaultOpenIDConnectConfiguration.AuthorizeCodeLifespan
}
if config.IDTokenLifespan == time.Duration(0) {
config.IDTokenLifespan = schema.DefaultOpenIDConnectConfiguration.IDTokenLifespan
}
if config.RefreshTokenLifespan == time.Duration(0) {
config.RefreshTokenLifespan = schema.DefaultOpenIDConnectConfiguration.RefreshTokenLifespan
}
if config.MinimumParameterEntropy != 0 && config.MinimumParameterEntropy < 8 {
validator.PushWarning(fmt.Errorf(errFmtOIDCServerInsecureParameterEntropy, config.MinimumParameterEntropy))
}
if config.EnforcePKCE == "" {
config.EnforcePKCE = schema.DefaultOpenIDConnectConfiguration.EnforcePKCE
}
if config.EnforcePKCE != "never" && config.EnforcePKCE != "public_clients_only" && config.EnforcePKCE != "always" {
validator.Push(fmt.Errorf(errFmtOIDCEnforcePKCEInvalidValue, config.EnforcePKCE))
}
validateOIDCOptionsCORS(config, validator)
validateOIDCClients(config, validator)
if len(config.Clients) == 0 {
validator.Push(fmt.Errorf(errFmtOIDCNoClientsConfigured))
}
}
}
func validateOIDCOptionsCORS(config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
validateOIDCOptionsCORSAllowedOrigins(config, validator)
if config.CORS.AllowedOriginsFromClientRedirectURIs {
validateOIDCOptionsCORSAllowedOriginsFromClientRedirectURIs(config)
}
validateOIDCOptionsCORSEndpoints(config, validator)
}
func validateOIDCOptionsCORSAllowedOrigins(config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
for _, origin := range config.CORS.AllowedOrigins {
if origin.String() == "*" {
if len(config.CORS.AllowedOrigins) != 1 {
validator.Push(fmt.Errorf(errFmtOIDCCORSInvalidOriginWildcard))
}
if config.CORS.AllowedOriginsFromClientRedirectURIs {
validator.Push(fmt.Errorf(errFmtOIDCCORSInvalidOriginWildcardWithClients))
}
continue
}
if origin.Path != "" {
validator.Push(fmt.Errorf(errFmtOIDCCORSInvalidOrigin, origin.String(), "path"))
}
if origin.RawQuery != "" {
validator.Push(fmt.Errorf(errFmtOIDCCORSInvalidOrigin, origin.String(), "query string"))
}
}
}
func validateOIDCOptionsCORSAllowedOriginsFromClientRedirectURIs(config *schema.OpenIDConnectConfiguration) {
for _, client := range config.Clients {
for _, redirectURI := range client.RedirectURIs {
uri, err := url.Parse(redirectURI)
if err != nil || (uri.Scheme != schemeHTTP && uri.Scheme != schemeHTTPS) || uri.Hostname() == "localhost" {
continue
}
origin := utils.OriginFromURL(*uri)
if !utils.IsURLInSlice(origin, config.CORS.AllowedOrigins) {
config.CORS.AllowedOrigins = append(config.CORS.AllowedOrigins, origin)
}
}
}
}
func validateOIDCOptionsCORSEndpoints(config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
for _, endpoint := range config.CORS.Endpoints {
if !utils.IsStringInSlice(endpoint, validOIDCCORSEndpoints) {
validator.Push(fmt.Errorf(errFmtOIDCCORSInvalidEndpoint, endpoint, strings.Join(validOIDCCORSEndpoints, "', '")))
}
}
}
func validateOIDCClients(config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
invalidID, duplicateIDs := false, false
var ids []string
for c, client := range config.Clients {
if client.ID == "" {
invalidID = true
} else {
if client.Description == "" {
config.Clients[c].Description = client.ID
}
if utils.IsStringInSliceFold(client.ID, ids) {
duplicateIDs = true
}
ids = append(ids, client.ID)
}
if client.Public {
if client.Secret != "" {
validator.Push(fmt.Errorf(errFmtOIDCClientPublicInvalidSecret, client.ID))
}
} else {
if client.Secret == "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSecret, client.ID))
}
}
if client.Policy == "" {
config.Clients[c].Policy = schema.DefaultOpenIDConnectClientConfiguration.Policy
} else if client.Policy != policyOneFactor && client.Policy != policyTwoFactor {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidPolicy, client.ID, client.Policy))
}
validateOIDCClientSectorIdentifier(client, validator)
validateOIDCClientScopes(c, config, validator)
validateOIDCClientGrantTypes(c, config, validator)
validateOIDCClientResponseTypes(c, config, validator)
validateOIDCClientResponseModes(c, config, validator)
validateOIDDClientUserinfoAlgorithm(c, config, validator)
validateOIDCClientRedirectURIs(client, validator)
}
if invalidID {
validator.Push(fmt.Errorf(errFmtOIDCClientsWithEmptyID))
}
if duplicateIDs {
validator.Push(fmt.Errorf(errFmtOIDCClientsDuplicateID))
}
}
func validateOIDCClientSectorIdentifier(client schema.OpenIDConnectClientConfiguration, validator *schema.StructValidator) {
if client.SectorIdentifier.String() != "" {
if utils.IsURLHostComponent(client.SectorIdentifier) || utils.IsURLHostComponentWithPort(client.SectorIdentifier) {
return
}
if client.SectorIdentifier.Scheme != "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "scheme", client.SectorIdentifier.Scheme))
if client.SectorIdentifier.Path != "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "path", client.SectorIdentifier.Path))
}
if client.SectorIdentifier.RawQuery != "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "query", client.SectorIdentifier.RawQuery))
}
if client.SectorIdentifier.Fragment != "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "fragment", client.SectorIdentifier.Fragment))
}
if client.SectorIdentifier.User != nil {
if client.SectorIdentifier.User.Username() != "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "username", client.SectorIdentifier.User.Username()))
}
if _, set := client.SectorIdentifier.User.Password(); set {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifierWithoutValue, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "password"))
}
}
} else if client.SectorIdentifier.Host == "" {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifierHost, client.ID, client.SectorIdentifier.String()))
}
}
}
func validateOIDCClientScopes(c int, configuration *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
if len(configuration.Clients[c].Scopes) == 0 {
configuration.Clients[c].Scopes = schema.DefaultOpenIDConnectClientConfiguration.Scopes
return
}
if !utils.IsStringInSlice("openid", configuration.Clients[c].Scopes) {
configuration.Clients[c].Scopes = append(configuration.Clients[c].Scopes, "openid")
}
for _, scope := range configuration.Clients[c].Scopes {
if !utils.IsStringInSlice(scope, validOIDCScopes) {
validator.Push(fmt.Errorf(
errFmtOIDCClientInvalidEntry,
configuration.Clients[c].ID, "scopes", strings.Join(validOIDCScopes, "', '"), scope))
}
}
}
func validateOIDCClientGrantTypes(c int, configuration *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
if len(configuration.Clients[c].GrantTypes) == 0 {
configuration.Clients[c].GrantTypes = schema.DefaultOpenIDConnectClientConfiguration.GrantTypes
return
}
for _, grantType := range configuration.Clients[c].GrantTypes {
if !utils.IsStringInSlice(grantType, validOIDCGrantTypes) {
validator.Push(fmt.Errorf(
errFmtOIDCClientInvalidEntry,
configuration.Clients[c].ID, "grant_types", strings.Join(validOIDCGrantTypes, "', '"), grantType))
}
}
}
func validateOIDCClientResponseTypes(c int, configuration *schema.OpenIDConnectConfiguration, _ *schema.StructValidator) {
if len(configuration.Clients[c].ResponseTypes) == 0 {
configuration.Clients[c].ResponseTypes = schema.DefaultOpenIDConnectClientConfiguration.ResponseTypes
return
}
}
func validateOIDCClientResponseModes(c int, configuration *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
if len(configuration.Clients[c].ResponseModes) == 0 {
configuration.Clients[c].ResponseModes = schema.DefaultOpenIDConnectClientConfiguration.ResponseModes
return
}
for _, responseMode := range configuration.Clients[c].ResponseModes {
if !utils.IsStringInSlice(responseMode, validOIDCResponseModes) {
validator.Push(fmt.Errorf(
errFmtOIDCClientInvalidEntry,
configuration.Clients[c].ID, "response_modes", strings.Join(validOIDCResponseModes, "', '"), responseMode))
}
}
}
func validateOIDDClientUserinfoAlgorithm(c int, configuration *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
if configuration.Clients[c].UserinfoSigningAlgorithm == "" {
configuration.Clients[c].UserinfoSigningAlgorithm = schema.DefaultOpenIDConnectClientConfiguration.UserinfoSigningAlgorithm
} else if !utils.IsStringInSlice(configuration.Clients[c].UserinfoSigningAlgorithm, validOIDCUserinfoAlgorithms) {
validator.Push(fmt.Errorf(errFmtOIDCClientInvalidUserinfoAlgorithm,
configuration.Clients[c].ID, strings.Join(validOIDCUserinfoAlgorithms, ", "), configuration.Clients[c].UserinfoSigningAlgorithm))
}
}
func validateOIDCClientRedirectURIs(client schema.OpenIDConnectClientConfiguration, validator *schema.StructValidator) {
for _, redirectURI := range client.RedirectURIs {
if redirectURI == oauth2InstalledApp {
if client.Public {
continue
}
validator.Push(fmt.Errorf(errFmtOIDCClientRedirectURIPublic, client.ID, oauth2InstalledApp))
continue
}
parsedURL, err := url.Parse(redirectURI)
if err != nil {
validator.Push(fmt.Errorf(errFmtOIDCClientRedirectURICantBeParsed, client.ID, redirectURI, err))
continue
}
if !parsedURL.IsAbs() {
validator.Push(fmt.Errorf(errFmtOIDCClientRedirectURIAbsolute, client.ID, redirectURI))
return
}
if !client.Public && parsedURL.Scheme != schemeHTTPS && parsedURL.Scheme != schemeHTTP {
validator.Push(fmt.Errorf(errFmtOIDCClientRedirectURI, client.ID, redirectURI, parsedURL.Scheme))
}
}
}