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This patch adds an HTTP handler that authenticates users based on the JWT token included in the `Authorization` HTTP header. Related: https://issues.redhat.com/browse/MGMT-16123 Signed-off-by: Juan Hernandez <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| Copyright 2023 Red Hat 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. | ||
| */ | ||
|
|
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| // This file contains functions that extract information from the context. | ||
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| package authentication | ||
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| import ( | ||
| "context" | ||
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| "github.com/golang-jwt/jwt/v4" | ||
| ) | ||
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| // contextKey is the type used to store the authentication information in the context. | ||
| type contextKey int | ||
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| // tokenContextKey is the key used to store the authenticated JWT in the context. | ||
| const tokenContextKey contextKey = iota | ||
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| // TokenIntoContext creates a new context containing the given token. | ||
| func ContextWithToken(parent context.Context, token *jwt.Token) context.Context { | ||
| return context.WithValue(parent, tokenContextKey, token) | ||
| } | ||
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| // TokenFromContext extracts the JSON web token of the user from the context. It panics if there | ||
| // is no such token. | ||
| func TokenFromContext(ctx context.Context) *jwt.Token { | ||
| token := ctx.Value(tokenContextKey) | ||
| switch token := token.(type) { | ||
| case *jwt.Token: | ||
| return token | ||
| default: | ||
| panic("failed to get token from context") | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| Copyright (c) 2019 Red Hat, 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. | ||
| */ | ||
|
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| // This file contains tests for the functions that extract authentication and authorization | ||
| // information from contexts. | ||
|
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| package authentication | ||
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| import ( | ||
| "context" | ||
|
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| . "github.com/onsi/ginkgo/v2/dsl/core" | ||
| . "github.com/onsi/gomega" | ||
|
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| . "github.com/openshift-kni/oran-o2ims/internal/testing" | ||
| ) | ||
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| var _ = Describe("Add token to context", func() { | ||
| It("Adds the token", func() { | ||
| token := MakeTokenObject(nil) | ||
| ctx := ContextWithToken(context.TODO(), token) | ||
| extracted := ctx.Value(tokenContextKey) | ||
| Expect(extracted).To(BeIdenticalTo(token)) | ||
| }) | ||
| }) | ||
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| var _ = Describe("Get token from context", func() { | ||
| It("Succeeds if there is a token", func() { | ||
| token := MakeTokenObject(nil) | ||
| ctx := context.WithValue(context.TODO(), tokenContextKey, token) | ||
| extracted := TokenFromContext(ctx) | ||
| Expect(extracted).ToNot(BeNil()) | ||
| Expect(extracted.Raw).To(Equal(token.Raw)) | ||
| }) | ||
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| It("Panics if there is no token", func() { | ||
| ctx := context.TODO() | ||
| Expect(func() { | ||
| TokenFromContext(ctx) | ||
| }).To(PanicWith("failed to get token from context")) | ||
| }) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* | ||
| Copyright 2023 Red Hat 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. | ||
| */ | ||
|
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| package authentication | ||
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| import "github.com/spf13/pflag" | ||
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| // AddFlags adds the flags related to authentication to the given flag set. | ||
| func AddFlags(set *pflag.FlagSet) { | ||
| _ = set.StringArray( | ||
| aclFileFlagName, | ||
| []string{}, | ||
| "ACL file.", | ||
| ) | ||
| _ = set.StringArray( | ||
| jwksFileFlagName, | ||
| []string{}, | ||
| "File containing the JSON web key set.", | ||
| ) | ||
| _ = set.StringArray( | ||
| jwksURLFlagName, | ||
| []string{}, | ||
| "URL containing the JSON web key set.", | ||
| ) | ||
| } | ||
|
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| // Names of the flags: | ||
| const ( | ||
| aclFileFlagName = "authn-acl-file" | ||
| jwksFileFlagName = "authn-jwks-file" | ||
| jwksURLFlagName = "authn-jwks-url" | ||
| ) |
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