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author | Daniel J Walsh <dwalsh@redhat.com> | 2018-03-26 18:26:55 -0400 |
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committer | Atomic Bot <atomic-devel@projectatomic.io> | 2018-03-27 18:09:12 +0000 |
commit | af64e10400f8533a0c48ecdf5ab9b7fbf329e14e (patch) | |
tree | 59160e3841b440dd35189c724bbb4375a7be173b /vendor/gopkg.in/square/go-jose.v2/jwt/builder.go | |
parent | 26d7e3c7b85e28c4e42998c90fdcc14079f13eef (diff) | |
download | podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.tar.gz podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.tar.bz2 podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.zip |
Vendor in lots of kubernetes stuff to shrink image size
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #554
Approved by: mheon
Diffstat (limited to 'vendor/gopkg.in/square/go-jose.v2/jwt/builder.go')
-rw-r--r-- | vendor/gopkg.in/square/go-jose.v2/jwt/builder.go | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/vendor/gopkg.in/square/go-jose.v2/jwt/builder.go b/vendor/gopkg.in/square/go-jose.v2/jwt/builder.go new file mode 100644 index 000000000..686ec80a4 --- /dev/null +++ b/vendor/gopkg.in/square/go-jose.v2/jwt/builder.go @@ -0,0 +1,334 @@ +/*- + * Copyright 2016 Zbigniew Mandziejewicz + * Copyright 2016 Square, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package jwt + +import ( + "bytes" + "reflect" + + "gopkg.in/square/go-jose.v2/json" + + "gopkg.in/square/go-jose.v2" +) + +// Builder is a utility for making JSON Web Tokens. Calls can be chained, and +// errors are accumulated until the final call to CompactSerialize/FullSerialize. +type Builder interface { + // Claims encodes claims into JWE/JWS form. Multiple calls will merge claims + // into single JSON object. If you are passing private claims, make sure to set + // struct field tags to specify the name for the JSON key to be used when + // serializing. + Claims(i interface{}) Builder + // Token builds a JSONWebToken from provided data. + Token() (*JSONWebToken, error) + // FullSerialize serializes a token using the full serialization format. + FullSerialize() (string, error) + // CompactSerialize serializes a token using the compact serialization format. + CompactSerialize() (string, error) +} + +// NestedBuilder is a utility for making Signed-Then-Encrypted JSON Web Tokens. +// Calls can be chained, and errors are accumulated until final call to +// CompactSerialize/FullSerialize. +type NestedBuilder interface { + // Claims encodes claims into JWE/JWS form. Multiple calls will merge claims + // into single JSON object. If you are passing private claims, make sure to set + // struct field tags to specify the name for the JSON key to be used when + // serializing. + Claims(i interface{}) NestedBuilder + // Token builds a NestedJSONWebToken from provided data. + Token() (*NestedJSONWebToken, error) + // FullSerialize serializes a token using the full serialization format. + FullSerialize() (string, error) + // CompactSerialize serializes a token using the compact serialization format. + CompactSerialize() (string, error) +} + +type builder struct { + payload map[string]interface{} + err error +} + +type signedBuilder struct { + builder + sig jose.Signer +} + +type encryptedBuilder struct { + builder + enc jose.Encrypter +} + +type nestedBuilder struct { + builder + sig jose.Signer + enc jose.Encrypter +} + +// Signed creates builder for signed tokens. +func Signed(sig jose.Signer) Builder { + return &signedBuilder{ + sig: sig, + } +} + +// Encrypted creates builder for encrypted tokens. +func Encrypted(enc jose.Encrypter) Builder { + return &encryptedBuilder{ + enc: enc, + } +} + +// SignedAndEncrypted creates builder for signed-then-encrypted tokens. +// ErrInvalidContentType will be returned if encrypter doesn't have JWT content type. +func SignedAndEncrypted(sig jose.Signer, enc jose.Encrypter) NestedBuilder { + if contentType, _ := enc.Options().ExtraHeaders[jose.HeaderContentType].(jose.ContentType); contentType != "JWT" { + return &nestedBuilder{ + builder: builder{ + err: ErrInvalidContentType, + }, + } + } + return &nestedBuilder{ + sig: sig, + enc: enc, + } +} + +func (b builder) claims(i interface{}) builder { + if b.err != nil { + return b + } + + m, ok := i.(map[string]interface{}) + switch { + case ok: + return b.merge(m) + case reflect.Indirect(reflect.ValueOf(i)).Kind() == reflect.Struct: + m, err := normalize(i) + if err != nil { + return builder{ + err: err, + } + } + return b.merge(m) + default: + return builder{ + err: ErrInvalidClaims, + } + } +} + +func normalize(i interface{}) (map[string]interface{}, error) { + m := make(map[string]interface{}) + + raw, err := json.Marshal(i) + if err != nil { + return nil, err + } + + d := json.NewDecoder(bytes.NewReader(raw)) + d.UseNumber() + + if err := d.Decode(&m); err != nil { + return nil, err + } + + return m, nil +} + +func (b *builder) merge(m map[string]interface{}) builder { + p := make(map[string]interface{}) + for k, v := range b.payload { + p[k] = v + } + for k, v := range m { + p[k] = v + } + + return builder{ + payload: p, + } +} + +func (b *builder) token(p func(interface{}) ([]byte, error), h []jose.Header) (*JSONWebToken, error) { + return &JSONWebToken{ + payload: p, + Headers: h, + }, nil +} + +func (b *signedBuilder) Claims(i interface{}) Builder { + return &signedBuilder{ + builder: b.builder.claims(i), + sig: b.sig, + } +} + +func (b *signedBuilder) Token() (*JSONWebToken, error) { + sig, err := b.sign() + if err != nil { + return nil, err + } + + h := make([]jose.Header, len(sig.Signatures)) + for i, v := range sig.Signatures { + h[i] = v.Header + } + + return b.builder.token(sig.Verify, h) +} + +func (b *signedBuilder) CompactSerialize() (string, error) { + sig, err := b.sign() + if err != nil { + return "", err + } + + return sig.CompactSerialize() +} + +func (b *signedBuilder) FullSerialize() (string, error) { + sig, err := b.sign() + if err != nil { + return "", err + } + + return sig.FullSerialize(), nil +} + +func (b *signedBuilder) sign() (*jose.JSONWebSignature, error) { + if b.err != nil { + return nil, b.err + } + + p, err := json.Marshal(b.payload) + if err != nil { + return nil, err + } + + return b.sig.Sign(p) +} + +func (b *encryptedBuilder) Claims(i interface{}) Builder { + return &encryptedBuilder{ + builder: b.builder.claims(i), + enc: b.enc, + } +} + +func (b *encryptedBuilder) CompactSerialize() (string, error) { + enc, err := b.encrypt() + if err != nil { + return "", err + } + + return enc.CompactSerialize() +} + +func (b *encryptedBuilder) FullSerialize() (string, error) { + enc, err := b.encrypt() + if err != nil { + return "", err + } + + return enc.FullSerialize(), nil +} + +func (b *encryptedBuilder) Token() (*JSONWebToken, error) { + enc, err := b.encrypt() + if err != nil { + return nil, err + } + + return b.builder.token(enc.Decrypt, []jose.Header{enc.Header}) +} + +func (b *encryptedBuilder) encrypt() (*jose.JSONWebEncryption, error) { + if b.err != nil { + return nil, b.err + } + + p, err := json.Marshal(b.payload) + if err != nil { + return nil, err + } + + return b.enc.Encrypt(p) +} + +func (b *nestedBuilder) Claims(i interface{}) NestedBuilder { + return &nestedBuilder{ + builder: b.builder.claims(i), + sig: b.sig, + enc: b.enc, + } +} + +func (b *nestedBuilder) Token() (*NestedJSONWebToken, error) { + enc, err := b.signAndEncrypt() + if err != nil { + return nil, err + } + + return &NestedJSONWebToken{ + enc: enc, + Headers: []jose.Header{enc.Header}, + }, nil +} + +func (b *nestedBuilder) CompactSerialize() (string, error) { + enc, err := b.signAndEncrypt() + if err != nil { + return "", err + } + + return enc.CompactSerialize() +} + +func (b *nestedBuilder) FullSerialize() (string, error) { + enc, err := b.signAndEncrypt() + if err != nil { + return "", err + } + + return enc.FullSerialize(), nil +} + +func (b *nestedBuilder) signAndEncrypt() (*jose.JSONWebEncryption, error) { + if b.err != nil { + return nil, b.err + } + + p, err := json.Marshal(b.payload) + if err != nil { + return nil, err + } + + sig, err := b.sig.Sign(p) + if err != nil { + return nil, err + } + + p2, err := sig.CompactSerialize() + if err != nil { + return nil, err + } + + return b.enc.Encrypt([]byte(p2)) +} |