forked from mystiq/dex
109 lines
3 KiB
Go
109 lines
3 KiB
Go
package client
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import (
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"encoding/json"
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"errors"
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"io"
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"net/url"
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"reflect"
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"github.com/coreos/go-oidc/oidc"
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)
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var (
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ErrorInvalidRedirectURL = errors.New("not a valid redirect url for the given client")
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ErrorCantChooseRedirectURL = errors.New("must provide a redirect url; client has many")
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ErrorNoValidRedirectURLs = errors.New("no valid redirect URLs for this client.")
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ErrorNotFound = errors.New("no data found")
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)
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type Client struct {
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Credentials oidc.ClientCredentials
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Metadata oidc.ClientMetadata
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Admin bool
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}
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type ClientRepo interface {
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Get(clientID string) (Client, error)
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// Metadata returns one matching ClientMetadata if the given client
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// exists, otherwise nil. The returned error will be non-nil only
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// if the repo was unable to determine client existence.
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Metadata(clientID string) (*oidc.ClientMetadata, error)
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// Authenticate asserts that a client with the given ID exists and
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// that the provided secret matches. If either of these assertions
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// fail, (false, nil) will be returned. Only if the repo is unable
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// to make these assertions will a non-nil error be returned.
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Authenticate(creds oidc.ClientCredentials) (bool, error)
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// All returns all registered Clients
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All() ([]Client, error)
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// New registers a Client with the repo.
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// An unused ID must be provided. A corresponding secret will be returned
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// in a ClientCredentials struct along with the provided ID.
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New(client Client) (*oidc.ClientCredentials, error)
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SetDexAdmin(clientID string, isAdmin bool) error
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IsDexAdmin(clientID string) (bool, error)
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}
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// ValidRedirectURL returns the passed in URL if it is present in the redirectURLs list, and returns an error otherwise.
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// If nil is passed in as the rURL and there is only one URL in redirectURLs,
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// that URL will be returned. If nil is passed but theres >1 URL in the slice,
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// then an error is returned.
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func ValidRedirectURL(rURL *url.URL, redirectURLs []url.URL) (url.URL, error) {
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if len(redirectURLs) == 0 {
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return url.URL{}, ErrorNoValidRedirectURLs
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}
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if rURL == nil {
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if len(redirectURLs) > 1 {
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return url.URL{}, ErrorCantChooseRedirectURL
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}
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return redirectURLs[0], nil
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}
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for _, ru := range redirectURLs {
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if reflect.DeepEqual(ru, *rURL) {
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return ru, nil
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}
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}
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return url.URL{}, ErrorInvalidRedirectURL
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}
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func ClientsFromReader(r io.Reader) ([]Client, error) {
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var c []struct {
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ID string `json:"id"`
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Secret string `json:"secret"`
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RedirectURLs []string `json:"redirectURLs"`
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}
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if err := json.NewDecoder(r).Decode(&c); err != nil {
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return nil, err
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}
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clients := make([]Client, len(c))
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for i, client := range c {
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redirectURIs := make([]url.URL, len(client.RedirectURLs))
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for j, u := range client.RedirectURLs {
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uri, err := url.Parse(u)
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if err != nil {
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return nil, err
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}
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redirectURIs[j] = *uri
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}
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clients[i] = Client{
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Credentials: oidc.ClientCredentials{
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ID: client.ID,
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Secret: client.Secret,
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},
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Metadata: oidc.ClientMetadata{
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RedirectURIs: redirectURIs,
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},
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}
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}
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return clients, nil
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}
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