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https://github.com/gravitational/teleport
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f3a5d9695e
* AWSOIDC Integration: ListDatabases
This PR adds a new Action for the AWSOIDC Integration: ListDatabases
The goal of this action is to provide the User a list of RDS Databases
from which the User will pick one to be added as a Teleport Database
Resource.
This way, the user doesn't need to copy/paste DB name, endpoints and
labels.
Before being able to call this action, the User has to set up an AWS
OIDC integration.
How does it work:
```
Client (web app)
│ ▲
│ │4. Returns list of DBs
1. List Databases │ │ (name, tags, status, endpoint)
│ │
│ │
│ │
│ │
▼ │ 3. rds.DescribeDBInstances
┌───────────┴────┐ (auth: token) ┌─────────┐
│ ├─────────────────────────────────►│ │
│ Teleport Proxy │ │ AWS │
│ │ 3.1. Get OIDC Config │ │
│ │◄─────────────────────────────────┤ │
│ │ 3.2. Get RSA Public Key │ │
│ │◄─────────────────────────────────┤ ├─────────┐ 3.3.
│ │ │ │ │Validates token signature
│ │ │ │ │with received public key
│ │ 3.4 Returns list of DBs │ │◄────────┘
│ │◄─────────────────────────────────┤ │
└─┬──────────────┘ └─────────┘
│
│ 2. Sign Token
│
▼
┌───────────────────┐
│ │
│ Teleport Auth │
│ RSA Private Key │
└───────────────────┘
```
* add resource and account ids to DB resource
* move api namespaces
* use types.Database instead of custom database format
* add database uri
* fix comments and rate limiter
* test name override when converting RDS V2 DBs
* fix webapi database URI field
* TestClusterDatabasesGet: add parallel
98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
/*
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Copyright 2020 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package jwt
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import (
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"crypto"
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"crypto/rsa"
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"encoding/base64"
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"math/big"
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"github.com/gravitational/trace"
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"github.com/gravitational/teleport/lib/defaults"
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"github.com/gravitational/teleport/lib/utils"
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)
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// JWK is a JSON Web Key, described in detail in RFC 7517.
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type JWK struct {
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// KeyType is the type of asymmetric key used.
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KeyType string `json:"kty"`
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// Algorithm used to sign.
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Algorithm string `json:"alg"`
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// N is the modulus of the public key.
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N string `json:"n"`
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// E is the exponent of the public key.
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E string `json:"e"`
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// Use identifies the intended use of the public key.
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// This field is required for the AWS OIDC Integration.
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// https://www.rfc-editor.org/rfc/rfc7517#section-4.2
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Use string `json:"use"`
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// KeyID identifies the key to use.
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// This field is required (even if empty) for the AWS OIDC Integration.
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// https://www.rfc-editor.org/rfc/rfc7517#section-4.5
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KeyID string `json:"kid"`
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}
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// MarshalJWK will marshal a supported public key into JWK format.
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func MarshalJWK(bytes []byte) (JWK, error) {
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// Parse the public key and validate type.
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p, err := utils.ParsePublicKey(bytes)
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if err != nil {
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return JWK{}, trace.Wrap(err)
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}
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publicKey, ok := p.(*rsa.PublicKey)
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if !ok {
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return JWK{}, trace.BadParameter("unsupported key format %T", p)
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}
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// Marshal to JWK.
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return JWK{
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KeyType: string(defaults.ApplicationTokenKeyType),
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Algorithm: string(defaults.ApplicationTokenAlgorithm),
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N: base64.RawURLEncoding.EncodeToString(publicKey.N.Bytes()),
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E: base64.RawURLEncoding.EncodeToString(big.NewInt(int64(publicKey.E)).Bytes()),
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Use: defaults.JWTUse,
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KeyID: "",
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}, nil
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}
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// UnmarshalJWK will unmarshal JWK into a crypto.PublicKey that can be used
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// to validate signatures.
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func UnmarshalJWK(jwk JWK) (crypto.PublicKey, error) {
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if jwk.KeyType != string(defaults.ApplicationTokenKeyType) {
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return nil, trace.BadParameter("unsupported key type %v", jwk.KeyType)
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}
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if jwk.Algorithm != string(defaults.ApplicationTokenAlgorithm) {
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return nil, trace.BadParameter("unsupported algorithm %v", jwk.Algorithm)
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}
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n, err := base64.RawURLEncoding.DecodeString(jwk.N)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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e, err := base64.RawURLEncoding.DecodeString(jwk.E)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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return &rsa.PublicKey{
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N: new(big.Int).SetBytes(n),
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E: int(new(big.Int).SetBytes(e).Uint64()),
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}, nil
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}
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