*: add the ability to define passwords statically

This commit is contained in:
Eric Chiang 2016-10-05 16:50:02 -07:00
parent cdf0b91690
commit 2909929b17
5 changed files with 107 additions and 9 deletions

View file

@ -33,7 +33,7 @@ Documentation
Storage
- [ ] Add SQL storage implementation
- [x] Add SQL storage implementation
- [ ] Utilize fixes for third party resources in Kubernetes 1.4
UX
@ -48,3 +48,4 @@ Backend
- [ ] Improve logging, possibly switch to logrus
- [ ] Standardize OAuth2 error handling
- [ ] Switch to github.com/ghodss/yaml for []byte to base64 string logic

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@ -1,6 +1,7 @@
package main
import (
"encoding/base64"
"fmt"
"github.com/coreos/dex/connector"
@ -26,7 +27,46 @@ type Config struct {
Templates server.TemplateConfig `yaml:"templates"`
// StaticClients cause the server to use this list of clients rather than
// querying the storage. Write operations, like creating a client, will fail.
StaticClients []storage.Client `yaml:"staticClients"`
// If enabled, the server will maintain a list of passwords which can be used
// to identify a user.
EnablePasswordDB bool `yaml:"enablePasswordDB"`
// StaticPasswords cause the server use this list of passwords rather than
// querying the storage. Cannot be specified without enabling a passwords
// database.
//
// The "password" type is identical to the storage.Password type, but does
// unmarshaling into []byte correctly.
StaticPasswords []password `yaml:"staticPasswords"`
}
type password struct {
Email string `yaml:"email"`
Username string `yaml:"username"`
UserID string `yaml:"userID"`
// Because our YAML parser doesn't base64, we have to do it ourselves.
//
// TODO(ericchiang): switch to github.com/ghodss/yaml
Hash string `yaml:"hash"`
}
// decode the hash appropriately and convert to the storage passwords.
func (p password) toPassword() (storage.Password, error) {
hash, err := base64.StdEncoding.DecodeString(p.Hash)
if err != nil {
return storage.Password{}, fmt.Errorf("decoding hash: %v", err)
}
return storage.Password{
Email: p.Email,
Username: p.Username,
UserID: p.UserID,
Hash: hash,
}, nil
}
// OAuth2 describes enabled OAuth2 extensions.

View file

@ -55,7 +55,8 @@ func serve(cmd *cobra.Command, args []string) error {
errMsg string
}{
{c.Issuer == "", "no issuer specified in config file"},
{len(c.Connectors) == 0, "no connectors supplied in config file"},
{len(c.Connectors) == 0 && !c.EnablePasswordDB, "no connectors supplied in config file"},
{!c.EnablePasswordDB && len(c.StaticPasswords) != 0, "cannot specify static passwords without enabling password db"},
{c.Storage.Config == nil, "no storage suppied in config file"},
{c.Web.HTTP == "" && c.Web.HTTPS == "", "must supply a HTTP/HTTPS address to listen on"},
{c.Web.HTTPS != "" && c.Web.TLSCert == "", "no cert specified for HTTPS"},
@ -103,6 +104,15 @@ func serve(cmd *cobra.Command, args []string) error {
if len(c.StaticClients) > 0 {
s = storage.WithStaticClients(s, c.StaticClients)
}
if len(c.StaticPasswords) > 0 {
p := make([]storage.Password, len(c.StaticPasswords))
for i, pw := range c.StaticPasswords {
if p[i], err = pw.toPassword(); err != nil {
return err
}
}
s = storage.WithStaticPasswords(s, p)
}
serverConfig := server.Config{
SupportedResponseTypes: c.OAuth2.ResponseTypes,
@ -110,6 +120,7 @@ func serve(cmd *cobra.Command, args []string) error {
Connectors: connectors,
Storage: s,
TemplateConfig: c.Templates,
EnablePasswordDB: c.EnablePasswordDB,
}
serv, err := server.NewServer(serverConfig)

View file

@ -11,16 +11,23 @@ connectors:
- type: mockCallback
id: mock-callback
name: Mock
- type: mockPassword
id: mock-password
name: Password
config:
username: "admin"
password: "PASSWORD"
# Instead of reading from an external storage, use this list of clients.
staticClients:
- id: example-app
redirectURIs:
- 'http://127.0.0.1:5555/callback'
name: 'Example App'
secret: ZXhhbXBsZS1hcHAtc2VjcmV0
# Let dex keep a list of passwords which can be used to login the user.
enablePasswordDB: true
# A static list of passwords to login the end user. By identifying here, dex
# won't look in its undlying storage for passwords.
staticPasswords:
- email: "admin@example.com"
# bcrypt hash of the string "password"
hash: "JDJhJDE0JDh4TnlVZ3pzSmVuQm4ySlRPT2QvbmVGcUlnQzF4TEFVRFA3VlpTVzhDNWlkLnFPcmNlYUJX"
username: "admin"
userID: "08a8684b-db88-4b73-90a9-3cd1661f5466"

View file

@ -1,6 +1,9 @@
package storage
import "errors"
import (
"errors"
"strings"
)
// Tests for this code are in the "memory" package, since this package doesn't
// define a concrete storage implementation.
@ -53,3 +56,39 @@ func (s staticClientsStorage) DeleteClient(id string) error {
func (s staticClientsStorage) UpdateClient(id string, updater func(old Client) (Client, error)) error {
return errors.New("static clients: read-only cannot update client")
}
type staticPasswordsStorage struct {
Storage
passwordsByEmail map[string]Password
}
// WithStaticPasswords returns a storage with a read-only set of passwords. Write actions,
// such as creating other passwords, will fail.
func WithStaticPasswords(s Storage, staticPasswords []Password) Storage {
passwordsByEmail := make(map[string]Password, len(staticPasswords))
for _, p := range staticPasswords {
p.Email = strings.ToLower(p.Email)
passwordsByEmail[p.Email] = p
}
return staticPasswordsStorage{s, passwordsByEmail}
}
func (s staticPasswordsStorage) GetPassword(email string) (Password, error) {
if password, ok := s.passwordsByEmail[strings.ToLower(email)]; ok {
return password, nil
}
return Password{}, ErrNotFound
}
func (s staticPasswordsStorage) CreatePassword(p Password) error {
return errors.New("static passwords: read-only cannot create password")
}
func (s staticPasswordsStorage) DeletePassword(id string) error {
return errors.New("static passwords: read-only cannot create password")
}
func (s staticPasswordsStorage) UpdatePassword(id string, updater func(old Password) (Password, error)) error {
return errors.New("static passwords: read-only cannot update password")
}