350 lines
12 KiB
Go
350 lines
12 KiB
Go
package validator
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import (
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"fmt"
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"net/url"
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"strings"
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"time"
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"github.com/authelia/authelia/v4/internal/configuration/schema"
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"github.com/authelia/authelia/v4/internal/oidc"
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"github.com/authelia/authelia/v4/internal/utils"
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)
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// ValidateIdentityProviders validates and updates the IdentityProviders configuration.
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func ValidateIdentityProviders(config *schema.IdentityProvidersConfiguration, val *schema.StructValidator) {
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validateOIDC(config.OIDC, val)
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}
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func validateOIDC(config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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if config == nil {
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return
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}
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setOIDCDefaults(config)
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switch {
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case config.IssuerPrivateKey == nil:
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val.Push(fmt.Errorf(errFmtOIDCNoPrivateKey))
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default:
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if config.IssuerCertificateChain.HasCertificates() {
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if !config.IssuerCertificateChain.EqualKey(config.IssuerPrivateKey) {
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val.Push(fmt.Errorf(errFmtOIDCCertificateMismatch))
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}
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if err := config.IssuerCertificateChain.Validate(); err != nil {
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val.Push(fmt.Errorf(errFmtOIDCCertificateChain, err))
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}
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}
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if config.IssuerPrivateKey.Size()*8 < 2048 {
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val.Push(fmt.Errorf(errFmtOIDCInvalidPrivateKeyBitSize, 2048, config.IssuerPrivateKey.Size()*8))
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}
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}
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if config.MinimumParameterEntropy != 0 && config.MinimumParameterEntropy < 8 {
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val.PushWarning(fmt.Errorf(errFmtOIDCServerInsecureParameterEntropy, config.MinimumParameterEntropy))
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}
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if config.EnforcePKCE != "never" && config.EnforcePKCE != "public_clients_only" && config.EnforcePKCE != "always" {
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val.Push(fmt.Errorf(errFmtOIDCEnforcePKCEInvalidValue, config.EnforcePKCE))
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}
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validateOIDCOptionsCORS(config, val)
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if len(config.Clients) == 0 {
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val.Push(fmt.Errorf(errFmtOIDCNoClientsConfigured))
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} else {
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validateOIDCClients(config, val)
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}
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}
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func setOIDCDefaults(config *schema.OpenIDConnectConfiguration) {
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if config.AccessTokenLifespan == time.Duration(0) {
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config.AccessTokenLifespan = schema.DefaultOpenIDConnectConfiguration.AccessTokenLifespan
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}
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if config.AuthorizeCodeLifespan == time.Duration(0) {
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config.AuthorizeCodeLifespan = schema.DefaultOpenIDConnectConfiguration.AuthorizeCodeLifespan
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}
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if config.IDTokenLifespan == time.Duration(0) {
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config.IDTokenLifespan = schema.DefaultOpenIDConnectConfiguration.IDTokenLifespan
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}
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if config.RefreshTokenLifespan == time.Duration(0) {
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config.RefreshTokenLifespan = schema.DefaultOpenIDConnectConfiguration.RefreshTokenLifespan
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}
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if config.EnforcePKCE == "" {
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config.EnforcePKCE = schema.DefaultOpenIDConnectConfiguration.EnforcePKCE
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}
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}
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func validateOIDCOptionsCORS(config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
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validateOIDCOptionsCORSAllowedOrigins(config, validator)
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if config.CORS.AllowedOriginsFromClientRedirectURIs {
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validateOIDCOptionsCORSAllowedOriginsFromClientRedirectURIs(config)
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}
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validateOIDCOptionsCORSEndpoints(config, validator)
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}
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func validateOIDCOptionsCORSAllowedOrigins(config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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for _, origin := range config.CORS.AllowedOrigins {
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if origin.String() == "*" {
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if len(config.CORS.AllowedOrigins) != 1 {
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val.Push(fmt.Errorf(errFmtOIDCCORSInvalidOriginWildcard))
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}
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if config.CORS.AllowedOriginsFromClientRedirectURIs {
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val.Push(fmt.Errorf(errFmtOIDCCORSInvalidOriginWildcardWithClients))
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}
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continue
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}
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if origin.Path != "" {
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val.Push(fmt.Errorf(errFmtOIDCCORSInvalidOrigin, origin.String(), "path"))
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}
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if origin.RawQuery != "" {
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val.Push(fmt.Errorf(errFmtOIDCCORSInvalidOrigin, origin.String(), "query string"))
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}
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}
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}
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func validateOIDCOptionsCORSAllowedOriginsFromClientRedirectURIs(config *schema.OpenIDConnectConfiguration) {
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for _, client := range config.Clients {
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for _, redirectURI := range client.RedirectURIs {
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uri, err := url.ParseRequestURI(redirectURI)
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if err != nil || (uri.Scheme != schemeHTTP && uri.Scheme != schemeHTTPS) || uri.Hostname() == "localhost" {
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continue
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}
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origin := utils.OriginFromURL(*uri)
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if !utils.IsURLInSlice(origin, config.CORS.AllowedOrigins) {
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config.CORS.AllowedOrigins = append(config.CORS.AllowedOrigins, origin)
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}
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}
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}
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}
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func validateOIDCOptionsCORSEndpoints(config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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for _, endpoint := range config.CORS.Endpoints {
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if !utils.IsStringInSlice(endpoint, validOIDCCORSEndpoints) {
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val.Push(fmt.Errorf(errFmtOIDCCORSInvalidEndpoint, endpoint, strings.Join(validOIDCCORSEndpoints, "', '")))
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}
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}
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}
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func validateOIDCClients(config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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invalidID, duplicateIDs := false, false
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var ids []string
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for c, client := range config.Clients {
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if client.ID == "" {
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invalidID = true
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} else {
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if client.Description == "" {
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config.Clients[c].Description = client.ID
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}
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if utils.IsStringInSliceFold(client.ID, ids) {
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duplicateIDs = true
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}
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ids = append(ids, client.ID)
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}
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if client.Public {
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if client.Secret != nil {
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val.Push(fmt.Errorf(errFmtOIDCClientPublicInvalidSecret, client.ID))
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}
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} else {
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if client.Secret == nil {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSecret, client.ID))
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} else if client.Secret.IsPlainText() {
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val.PushWarning(fmt.Errorf(errFmtOIDCClientInvalidSecretPlainText, client.ID))
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}
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}
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if client.Policy == "" {
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config.Clients[c].Policy = schema.DefaultOpenIDConnectClientConfiguration.Policy
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} else if client.Policy != policyOneFactor && client.Policy != policyTwoFactor {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidPolicy, client.ID, client.Policy))
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}
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switch client.PKCEChallengeMethod {
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case "", "plain", "S256":
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break
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default:
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidPKCEChallengeMethod, client.ID, client.PKCEChallengeMethod))
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}
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validateOIDCClientConsentMode(c, config, val)
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validateOIDCClientSectorIdentifier(client, val)
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validateOIDCClientScopes(c, config, val)
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validateOIDCClientGrantTypes(c, config, val)
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validateOIDCClientResponseTypes(c, config, val)
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validateOIDCClientResponseModes(c, config, val)
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validateOIDDClientUserinfoAlgorithm(c, config, val)
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validateOIDCClientRedirectURIs(client, val)
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}
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if invalidID {
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val.Push(fmt.Errorf(errFmtOIDCClientsWithEmptyID))
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}
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if duplicateIDs {
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val.Push(fmt.Errorf(errFmtOIDCClientsDuplicateID))
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}
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}
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func validateOIDCClientSectorIdentifier(client schema.OpenIDConnectClientConfiguration, val *schema.StructValidator) {
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if client.SectorIdentifier.String() != "" {
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if utils.IsURLHostComponent(client.SectorIdentifier) || utils.IsURLHostComponentWithPort(client.SectorIdentifier) {
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return
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}
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if client.SectorIdentifier.Scheme != "" {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "scheme", client.SectorIdentifier.Scheme))
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if client.SectorIdentifier.Path != "" {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "path", client.SectorIdentifier.Path))
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}
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if client.SectorIdentifier.RawQuery != "" {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "query", client.SectorIdentifier.RawQuery))
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}
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if client.SectorIdentifier.Fragment != "" {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "fragment", client.SectorIdentifier.Fragment))
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}
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if client.SectorIdentifier.User != nil {
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if client.SectorIdentifier.User.Username() != "" {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifier, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "username", client.SectorIdentifier.User.Username()))
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}
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if _, set := client.SectorIdentifier.User.Password(); set {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifierWithoutValue, client.ID, client.SectorIdentifier.String(), client.SectorIdentifier.Host, "password"))
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}
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}
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} else if client.SectorIdentifier.Host == "" {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidSectorIdentifierHost, client.ID, client.SectorIdentifier.String()))
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}
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}
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}
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func validateOIDCClientConsentMode(c int, config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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switch {
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case utils.IsStringInSlice(config.Clients[c].ConsentMode, []string{"", "auto"}):
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if config.Clients[c].ConsentPreConfiguredDuration != nil {
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config.Clients[c].ConsentMode = oidc.ClientConsentModePreConfigured.String()
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} else {
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config.Clients[c].ConsentMode = oidc.ClientConsentModeExplicit.String()
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}
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case utils.IsStringInSlice(config.Clients[c].ConsentMode, validOIDCClientConsentModes):
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break
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default:
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidConsentMode, config.Clients[c].ID, strings.Join(append(validOIDCClientConsentModes, "auto"), "', '"), config.Clients[c].ConsentMode))
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}
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if config.Clients[c].ConsentMode == oidc.ClientConsentModePreConfigured.String() && config.Clients[c].ConsentPreConfiguredDuration == nil {
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config.Clients[c].ConsentPreConfiguredDuration = schema.DefaultOpenIDConnectClientConfiguration.ConsentPreConfiguredDuration
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}
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}
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func validateOIDCClientScopes(c int, config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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if len(config.Clients[c].Scopes) == 0 {
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config.Clients[c].Scopes = schema.DefaultOpenIDConnectClientConfiguration.Scopes
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return
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}
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if !utils.IsStringInSlice(oidc.ScopeOpenID, config.Clients[c].Scopes) {
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config.Clients[c].Scopes = append(config.Clients[c].Scopes, oidc.ScopeOpenID)
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}
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for _, scope := range config.Clients[c].Scopes {
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if !utils.IsStringInSlice(scope, validOIDCScopes) {
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val.Push(fmt.Errorf(
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errFmtOIDCClientInvalidEntry,
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config.Clients[c].ID, "scopes", strings.Join(validOIDCScopes, "', '"), scope))
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}
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}
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}
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func validateOIDCClientGrantTypes(c int, config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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if len(config.Clients[c].GrantTypes) == 0 {
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config.Clients[c].GrantTypes = schema.DefaultOpenIDConnectClientConfiguration.GrantTypes
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return
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}
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for _, grantType := range config.Clients[c].GrantTypes {
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if !utils.IsStringInSlice(grantType, validOIDCGrantTypes) {
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val.Push(fmt.Errorf(
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errFmtOIDCClientInvalidEntry,
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config.Clients[c].ID, "grant_types", strings.Join(validOIDCGrantTypes, "', '"), grantType))
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}
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}
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}
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func validateOIDCClientResponseTypes(c int, config *schema.OpenIDConnectConfiguration, _ *schema.StructValidator) {
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if len(config.Clients[c].ResponseTypes) == 0 {
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config.Clients[c].ResponseTypes = schema.DefaultOpenIDConnectClientConfiguration.ResponseTypes
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return
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}
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}
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func validateOIDCClientResponseModes(c int, config *schema.OpenIDConnectConfiguration, validator *schema.StructValidator) {
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if len(config.Clients[c].ResponseModes) == 0 {
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config.Clients[c].ResponseModes = schema.DefaultOpenIDConnectClientConfiguration.ResponseModes
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return
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}
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for _, responseMode := range config.Clients[c].ResponseModes {
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if !utils.IsStringInSlice(responseMode, validOIDCResponseModes) {
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validator.Push(fmt.Errorf(
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errFmtOIDCClientInvalidEntry,
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config.Clients[c].ID, "response_modes", strings.Join(validOIDCResponseModes, "', '"), responseMode))
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}
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}
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}
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func validateOIDDClientUserinfoAlgorithm(c int, config *schema.OpenIDConnectConfiguration, val *schema.StructValidator) {
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if config.Clients[c].UserinfoSigningAlgorithm == "" {
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config.Clients[c].UserinfoSigningAlgorithm = schema.DefaultOpenIDConnectClientConfiguration.UserinfoSigningAlgorithm
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} else if !utils.IsStringInSlice(config.Clients[c].UserinfoSigningAlgorithm, validOIDCUserinfoAlgorithms) {
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val.Push(fmt.Errorf(errFmtOIDCClientInvalidUserinfoAlgorithm,
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config.Clients[c].ID, strings.Join(validOIDCUserinfoAlgorithms, ", "), config.Clients[c].UserinfoSigningAlgorithm))
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}
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}
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func validateOIDCClientRedirectURIs(client schema.OpenIDConnectClientConfiguration, val *schema.StructValidator) {
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for _, redirectURI := range client.RedirectURIs {
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if redirectURI == oauth2InstalledApp {
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if client.Public {
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continue
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}
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val.Push(fmt.Errorf(errFmtOIDCClientRedirectURIPublic, client.ID, oauth2InstalledApp))
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continue
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}
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parsedURL, err := url.Parse(redirectURI)
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if err != nil {
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val.Push(fmt.Errorf(errFmtOIDCClientRedirectURICantBeParsed, client.ID, redirectURI, err))
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continue
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}
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if !parsedURL.IsAbs() || (!client.Public && parsedURL.Scheme == "") {
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val.Push(fmt.Errorf(errFmtOIDCClientRedirectURIAbsolute, client.ID, redirectURI))
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return
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}
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}
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}
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