/
oauth.go
252 lines (202 loc) · 9.5 KB
/
oauth.go
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package validation
import (
"fmt"
"strings"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util/fielderrors"
"github.com/openshift/origin/pkg/cmd/server/api"
"github.com/openshift/origin/pkg/cmd/server/api/latest"
"github.com/openshift/origin/pkg/user/api/validation"
)
func ValidateOAuthConfig(config *api.OAuthConfig) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(config.MasterURL) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("masterURL"))
}
if _, urlErrs := ValidateURL(config.MasterPublicURL, "masterPublicURL"); len(urlErrs) > 0 {
allErrs = append(allErrs, urlErrs...)
}
if len(config.AssetPublicURL) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("assetPublicURL"))
}
if config.SessionConfig != nil {
allErrs = append(allErrs, ValidateSessionConfig(config.SessionConfig).Prefix("sessionConfig")...)
}
allErrs = append(allErrs, ValidateGrantConfig(config.GrantConfig).Prefix("grantConfig")...)
providerNames := util.NewStringSet()
redirectingIdentityProviders := []string{}
for i, identityProvider := range config.IdentityProviders {
if identityProvider.UseAsLogin {
redirectingIdentityProviders = append(redirectingIdentityProviders, identityProvider.Name)
if api.IsPasswordAuthenticator(identityProvider) {
if config.SessionConfig == nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("sessionConfig", config, "sessionConfig is required if a password identity provider is used for browser based login"))
}
}
}
allErrs = append(allErrs, ValidateIdentityProvider(identityProvider).Prefix(fmt.Sprintf("identityProvider[%d]", i))...)
if len(identityProvider.Name) > 0 {
if providerNames.Has(identityProvider.Name) {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(fmt.Sprintf("identityProvider[%d].name", i), identityProvider.Name, "must have a unique name"))
}
providerNames.Insert(identityProvider.Name)
}
}
if len(redirectingIdentityProviders) > 1 {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("identityProviders", config.IdentityProviders, fmt.Sprintf("only one identity provider can support login for a browser, found: %v", redirectingIdentityProviders)))
}
return allErrs
}
func ValidateIdentityProvider(identityProvider api.IdentityProvider) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(identityProvider.Name) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("name"))
}
if ok, err := validation.ValidateIdentityProviderName(identityProvider.Name); !ok {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("name", identityProvider.Name, err))
}
if !api.IsIdentityProviderType(identityProvider.Provider) {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("provider", identityProvider.Provider, fmt.Sprintf("%v is invalid in this context", identityProvider.Provider)))
} else {
switch provider := identityProvider.Provider.Object.(type) {
case (*api.RequestHeaderIdentityProvider):
allErrs = append(allErrs, ValidateRequestHeaderIdentityProvider(provider, identityProvider)...)
case (*api.BasicAuthPasswordIdentityProvider):
allErrs = append(allErrs, ValidateRemoteConnectionInfo(provider.RemoteConnectionInfo).Prefix("provider")...)
case (*api.HTPasswdPasswordIdentityProvider):
allErrs = append(allErrs, ValidateFile(provider.File, "provider.file")...)
case (*api.GitHubIdentityProvider):
allErrs = append(allErrs, ValidateOAuthIdentityProvider(provider.ClientID, provider.ClientSecret, identityProvider.UseAsChallenger)...)
case (*api.GoogleIdentityProvider):
allErrs = append(allErrs, ValidateOAuthIdentityProvider(provider.ClientID, provider.ClientSecret, identityProvider.UseAsChallenger)...)
case (*api.OpenIDIdentityProvider):
allErrs = append(allErrs, ValidateOpenIDIdentityProvider(provider, identityProvider)...)
}
}
return allErrs
}
func ValidateRequestHeaderIdentityProvider(provider *api.RequestHeaderIdentityProvider, identityProvider api.IdentityProvider) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(provider.ClientCA) > 0 {
allErrs = append(allErrs, ValidateFile(provider.ClientCA, "provider.clientCA")...)
}
if len(provider.Headers) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("provider.headers"))
}
if identityProvider.UseAsChallenger {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("challenge", identityProvider.UseAsChallenger, "request header providers cannot be used for challenges"))
}
if identityProvider.UseAsLogin {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("login", identityProvider.UseAsChallenger, "request header providers cannot be used for browser login"))
}
return allErrs
}
func ValidateOAuthIdentityProvider(clientID, clientSecret string, challenge bool) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(clientID) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("provider.clientID"))
}
if len(clientSecret) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("provider.clientSecret"))
}
if challenge {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("challenge", challenge, "oauth providers cannot be used for challenges"))
}
return allErrs
}
func ValidateOpenIDIdentityProvider(provider *api.OpenIDIdentityProvider, identityProvider api.IdentityProvider) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
allErrs = append(allErrs, ValidateOAuthIdentityProvider(provider.ClientID, provider.ClientSecret, identityProvider.UseAsChallenger)...)
// Communication with the Authorization Endpoint MUST utilize TLS
// http://openid.net/specs/openid-connect-core-1_0.html#AuthorizationEndpoint
_, urlErrs := ValidateSecureURL(provider.URLs.Authorize, "authorize")
allErrs = append(allErrs, urlErrs.Prefix("provider.urls")...)
// Communication with the Token Endpoint MUST utilize TLS
// http://openid.net/specs/openid-connect-core-1_0.html#TokenEndpoint
_, urlErrs = ValidateSecureURL(provider.URLs.Token, "token")
allErrs = append(allErrs, urlErrs.Prefix("provider.urls")...)
if len(provider.URLs.UserInfo) != 0 {
// Communication with the UserInfo Endpoint MUST utilize TLS
// http://openid.net/specs/openid-connect-core-1_0.html#UserInfo
_, urlErrs = ValidateSecureURL(provider.URLs.UserInfo, "userInfo")
allErrs = append(allErrs, urlErrs.Prefix("provider.urls")...)
}
// At least one claim to use as the user id is required
if len(provider.Claims.ID) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("provider.claims.id", "[]", "at least one id claim is required (OpenID standard identity claim is 'sub')"))
}
if len(provider.CA) != 0 {
allErrs = append(allErrs, ValidateFile(provider.CA, "provider.ca")...)
}
return allErrs
}
func ValidateGrantConfig(config api.GrantConfig) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if !api.ValidGrantHandlerTypes.Has(string(config.Method)) {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("grantConfig.method", config.Method, fmt.Sprintf("must be one of: %v", api.ValidGrantHandlerTypes.List())))
}
return allErrs
}
func ValidateSessionConfig(config *api.SessionConfig) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
// Validate session secrets file, if specified
if len(config.SessionSecretsFile) > 0 {
fileErrs := ValidateFile(config.SessionSecretsFile, "sessionSecretsFile")
if len(fileErrs) != 0 {
// Missing file
allErrs = append(allErrs, fileErrs...)
} else {
// Validate file contents
secrets, err := latest.ReadSessionSecrets(config.SessionSecretsFile)
if err != nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("sessionSecretsFile", config.SessionSecretsFile, fmt.Sprintf("error reading file: %v", err)))
} else {
for _, err := range ValidateSessionSecrets(secrets) {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("sessionSecretsFile", config.SessionSecretsFile, err.Error()))
}
}
}
}
if len(config.SessionName) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("sessionName"))
}
return allErrs
}
func ValidateSessionSecrets(config *api.SessionSecrets) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(config.Secrets) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("secrets"))
}
for i, secret := range config.Secrets {
switch {
case len(secret.Authentication) == 0:
allErrs = append(allErrs, fielderrors.NewFieldRequired(fmt.Sprintf("secrets[%d].authentication", i)))
case len(secret.Authentication) < 32:
// Don't output current value in error message... we don't want it logged
allErrs = append(allErrs,
fielderrors.NewFieldInvalid(
fmt.Sprintf("secrets[%d].authentpsecretsication", i),
strings.Repeat("*", len(secret.Authentication)),
"must be at least 32 characters long",
),
)
}
switch len(secret.Encryption) {
case 0:
// Require encryption secrets
allErrs = append(allErrs, fielderrors.NewFieldRequired(fmt.Sprintf("secrets[%d].encryption", i)))
case 16, 24, 32:
// Valid lengths
default:
// Don't output current value in error message... we don't want it logged
allErrs = append(allErrs,
fielderrors.NewFieldInvalid(
fmt.Sprintf("secrets[%d].encryption", i),
strings.Repeat("*", len(secret.Encryption)),
"must be 16, 24, or 32 characters long",
),
)
}
}
return allErrs
}