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[filbeat][azure-blob-storage] - Adding support for Microsoft Entra ID…
… RBAC authentication (#40879) * Added support for Microsoft Entra ID RBAC authentication.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| // Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| // or more contributor license agreements. Licensed under the Elastic License; | ||
| // you may not use this file except in compliance with the Elastic License. | ||
|
|
||
| package azureblobstorage | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "io" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "regexp" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/Azure/azure-sdk-for-go/sdk/azcore" | ||
| "github.com/stretchr/testify/assert" | ||
| "golang.org/x/sync/errgroup" | ||
|
|
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| v2 "github.com/elastic/beats/v7/filebeat/input/v2" | ||
| beattest "github.com/elastic/beats/v7/libbeat/publisher/testing" | ||
| "github.com/elastic/beats/v7/x-pack/filebeat/input/azureblobstorage/mock" | ||
| conf "github.com/elastic/elastic-agent-libs/config" | ||
| "github.com/elastic/elastic-agent-libs/logp" | ||
| ) | ||
|
|
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| // customTransporter implements the Transporter interface with a custom Do & RoundTrip method | ||
| type customTransporter struct { | ||
| rt http.RoundTripper | ||
| servURL string | ||
| } | ||
|
|
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| func (t *customTransporter) RoundTrip(req *http.Request) (*http.Response, error) { | ||
| return t.rt.RoundTrip(req) | ||
| } | ||
|
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| // Do is responsible for the routing of the request to the appropriate handler based on the request URL | ||
| func (t *customTransporter) Do(req *http.Request) (*http.Response, error) { | ||
| logp.L().Named("azure-blob-storage-test").Debug("request URL: ", req.URL) | ||
| re := regexp.MustCompile(`^/([0-9a-fA-F-]+)/?(oauth2/v2\.0/token|v2\.0/\.well-known/openid-configuration)`) | ||
| matches := re.FindStringSubmatch(req.URL.Path) | ||
|
|
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| if len(matches) == 3 { | ||
| tenant_id := matches[1] | ||
| action := matches[2] | ||
|
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| switch action { | ||
| case "v2.0/.well-known/openid-configuration": | ||
| return createJSONResponse(map[string]interface{}{ | ||
| "token_endpoint": t.servURL + "/" + tenant_id + "/oauth2/v2.0/token", | ||
| "authorization_endpoint": t.servURL + "/" + tenant_id + "/oauth2/v2.0/authorize", | ||
| "issuer": t.servURL + "/" + tenant_id + "/oauth2/v2.0/issuer", | ||
| }, 200) | ||
|
|
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| case "oauth2/v2.0/token": | ||
| return createJSONResponse(map[string]interface{}{ | ||
| "token_type": "Bearer", | ||
| "expires_in": 3600, | ||
| "access_token": "mock_access_token_123", | ||
| }, 200) | ||
| } | ||
| } | ||
| return t.rt.RoundTrip(req) | ||
| } | ||
|
|
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| func createJSONResponse(data interface{}, statusCode int) (*http.Response, error) { | ||
| jsonData, err := json.Marshal(data) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| resp := &http.Response{ | ||
| StatusCode: statusCode, | ||
| Body: io.NopCloser(bytes.NewBuffer(jsonData)), | ||
| Header: make(http.Header), | ||
| } | ||
|
|
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| resp.Header.Set("Content-Type", "application/json") | ||
| return resp, nil | ||
| } | ||
|
|
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| func Test_OAuth2(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| baseConfig map[string]interface{} | ||
| mockHandler func() http.Handler | ||
| expected map[string]bool | ||
| }{ | ||
| { | ||
| name: "OAuth2TConfig", | ||
| baseConfig: map[string]interface{}{ | ||
| "account_name": "beatsblobnew", | ||
| "auth.oauth2": map[string]interface{}{ | ||
| "client_id": "12345678-90ab-cdef-1234-567890abcdef", | ||
| "client_secret": "abcdefg1234567890!@#$%^&*()-_=+", | ||
| "tenant_id": "87654321-abcd-ef90-1234-fedcba098765", | ||
| }, | ||
| "max_workers": 2, | ||
| "poll": true, | ||
| "poll_interval": "30s", | ||
| "containers": []map[string]interface{}{ | ||
| { | ||
| "name": beatsContainer, | ||
| }, | ||
| }, | ||
| }, | ||
| mockHandler: mock.AzureStorageServer, | ||
| expected: map[string]bool{ | ||
| mock.Beatscontainer_blob_ata_json: true, | ||
| mock.Beatscontainer_blob_data3_json: true, | ||
| mock.Beatscontainer_blob_docs_ata_json: true, | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| logp.TestingSetup() | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| serv := httptest.NewServer(tt.mockHandler()) | ||
| t.Cleanup(serv.Close) | ||
|
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| httpClient := &http.Client{ | ||
| Transport: &customTransporter{ | ||
| rt: http.DefaultTransport, | ||
| servURL: serv.URL, | ||
| }, | ||
| } | ||
|
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| cfg := conf.MustNewConfigFrom(tt.baseConfig) | ||
| conf := config{} | ||
| err := cfg.Unpack(&conf) | ||
| assert.NoError(t, err) | ||
|
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| // inject custom transport & client options | ||
| conf.Auth.OAuth2.clientOptions = azcore.ClientOptions{ | ||
| InsecureAllowCredentialWithHTTP: true, | ||
| Transport: httpClient.Transport.(*customTransporter), | ||
| } | ||
|
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| input := newStatelessInput(conf, serv.URL+"/") | ||
|
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| assert.Equal(t, "azure-blob-storage-stateless", input.Name()) | ||
| assert.NoError(t, input.Test(v2.TestContext{})) | ||
|
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| chanClient := beattest.NewChanClient(len(tt.expected)) | ||
| t.Cleanup(func() { _ = chanClient.Close() }) | ||
|
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| ctx, cancel := newV2Context() | ||
| t.Cleanup(cancel) | ||
| ctx.ID += tt.name | ||
|
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| var g errgroup.Group | ||
| g.Go(func() error { | ||
| return input.Run(ctx, chanClient) | ||
| }) | ||
|
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| var timeout *time.Timer | ||
| if conf.PollInterval != nil { | ||
| timeout = time.NewTimer(1*time.Second + *conf.PollInterval) | ||
| } else { | ||
| timeout = time.NewTimer(10 * time.Second) | ||
| } | ||
| t.Cleanup(func() { timeout.Stop() }) | ||
|
|
||
| var receivedCount int | ||
| wait: | ||
| for { | ||
| select { | ||
| case <-timeout.C: | ||
| t.Errorf("timed out waiting for %d events", len(tt.expected)) | ||
| cancel() | ||
| return | ||
| case got := <-chanClient.Channel: | ||
| var val interface{} | ||
| var err error | ||
| val, err = got.Fields.GetValue("message") | ||
| assert.NoError(t, err) | ||
| assert.True(t, tt.expected[val.(string)]) | ||
| receivedCount += 1 | ||
| if receivedCount == len(tt.expected) { | ||
| cancel() | ||
| break wait | ||
| } | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } |
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