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proxy: Prepare for different token storages.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /** | ||
| * Standalone signaling server for the Nextcloud Spreed app. | ||
| * Copyright (C) 2020 struktur AG | ||
| * | ||
| * @author Joachim Bauch <[email protected]> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package main | ||
|
|
||
| import ( | ||
| "crypto/rsa" | ||
|
|
||
| "github.com/dlintw/goconf" | ||
| ) | ||
|
|
||
| const ( | ||
| TokenTypeStatic = "static" | ||
|
|
||
| TokenTypeDefault = TokenTypeStatic | ||
| ) | ||
|
|
||
| type ProxyToken struct { | ||
| id string | ||
| key *rsa.PublicKey | ||
| } | ||
|
|
||
| type ProxyTokens interface { | ||
| Get(id string) (*ProxyToken, error) | ||
|
|
||
| Reload(config *goconf.ConfigFile) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /** | ||
| * Standalone signaling server for the Nextcloud Spreed app. | ||
| * Copyright (C) 2020 struktur AG | ||
| * | ||
| * @author Joachim Bauch <[email protected]> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
| "sort" | ||
| "sync/atomic" | ||
|
|
||
| "github.com/dlintw/goconf" | ||
|
|
||
| "gopkg.in/dgrijalva/jwt-go.v3" | ||
| ) | ||
|
|
||
| type tokensStatic struct { | ||
| tokenKeys atomic.Value | ||
| } | ||
|
|
||
| func NewProxyTokensStatic(config *goconf.ConfigFile) (ProxyTokens, error) { | ||
| result := &tokensStatic{} | ||
| if err := result.load(config, false); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return result, nil | ||
| } | ||
|
|
||
| func (t *tokensStatic) setTokenKeys(keys map[string]*ProxyToken) { | ||
| t.tokenKeys.Store(keys) | ||
| } | ||
|
|
||
| func (t *tokensStatic) getTokenKeys() map[string]*ProxyToken { | ||
| return t.tokenKeys.Load().(map[string]*ProxyToken) | ||
| } | ||
|
|
||
| func (t *tokensStatic) Get(id string) (*ProxyToken, error) { | ||
| tokenKeys := t.getTokenKeys() | ||
| token := tokenKeys[id] | ||
| return token, nil | ||
| } | ||
|
|
||
| func (t *tokensStatic) load(config *goconf.ConfigFile, ignoreErrors bool) error { | ||
| tokenKeys := make(map[string]*ProxyToken) | ||
| options, _ := config.GetOptions("tokens") | ||
| for _, id := range options { | ||
| filename, _ := config.GetString("tokens", id) | ||
| if filename == "" { | ||
| if !ignoreErrors { | ||
| return fmt.Errorf("No filename given for token %s", id) | ||
| } | ||
|
|
||
| log.Printf("No filename given for token %s, ignoring", id) | ||
| continue | ||
| } | ||
|
|
||
| keyData, err := ioutil.ReadFile(filename) | ||
| if err != nil { | ||
| if !ignoreErrors { | ||
| return fmt.Errorf("Could not read public key from %s: %s", filename, err) | ||
| } | ||
|
|
||
| log.Printf("Could not read public key from %s, ignoring: %s", filename, err) | ||
| continue | ||
| } | ||
| key, err := jwt.ParseRSAPublicKeyFromPEM(keyData) | ||
| if err != nil { | ||
| if !ignoreErrors { | ||
| return fmt.Errorf("Could not parse public key from %s: %s", filename, err) | ||
| } | ||
|
|
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| log.Printf("Could not parse public key from %s, ignoring: %s", filename, err) | ||
| continue | ||
| } | ||
|
|
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| tokenKeys[id] = &ProxyToken{ | ||
| id: id, | ||
| key: key, | ||
| } | ||
| } | ||
|
|
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| if len(tokenKeys) == 0 { | ||
| log.Printf("No token keys loaded") | ||
| } else { | ||
| var keyIds []string | ||
| for k, _ := range tokenKeys { | ||
| keyIds = append(keyIds, k) | ||
| } | ||
| sort.Strings(keyIds) | ||
| log.Printf("Enabled token keys: %v", keyIds) | ||
| } | ||
| t.setTokenKeys(tokenKeys) | ||
| return nil | ||
| } | ||
|
|
||
| func (t *tokensStatic) Reload(config *goconf.ConfigFile) { | ||
| t.load(config, true) | ||
| } |