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98 changes: 98 additions & 0 deletions
98
oauth2_http/java/com/google/auth/oauth2/AwsCredentialSource.java
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| /* | ||
| * Copyright 2023 Google LLC | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above | ||
| * copyright notice, this list of conditions and the following disclaimer | ||
| * in the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * | ||
| * * Neither the name of Google LLC nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
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| package com.google.auth.oauth2; | ||
|
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| import java.util.Map; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
|
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| /** The AWS credential source. Stores data required to retrieve the AWS credential. */ | ||
| public class AwsCredentialSource extends ExternalAccountCredentials.CredentialSource { | ||
|
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| static final String IMDSV2_SESSION_TOKEN_URL_FIELD_NAME = "imdsv2_session_token_url"; | ||
| static final long serialVersionUID = -4180558200808134436L; | ||
|
|
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| final String regionUrl; | ||
| final String url; | ||
| final String regionalCredentialVerificationUrl; | ||
| final String imdsv2SessionTokenUrl; | ||
|
|
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| /** | ||
| * The source of the AWS credential. The credential source map must contain the | ||
| * `regional_cred_verification_url` field. | ||
| * | ||
| * <p>The `regional_cred_verification_url` is the regional GetCallerIdentity action URL, used to | ||
| * determine the account ID and its roles. | ||
| * | ||
| * <p>The `environment_id` is the environment identifier, in the format “aws${version}”. This | ||
| * indicates whether breaking changes were introduced to the underlying AWS implementation. | ||
| * | ||
| * <p>The `region_url` identifies the targeted region. Optional. | ||
| * | ||
| * <p>The `url` locates the metadata server used to retrieve the AWS credentials. Optional. | ||
| */ | ||
| public AwsCredentialSource(Map<String, Object> credentialSourceMap) { | ||
| super(credentialSourceMap); | ||
| if (!credentialSourceMap.containsKey("regional_cred_verification_url")) { | ||
| throw new IllegalArgumentException( | ||
| "A regional_cred_verification_url representing the" | ||
| + " GetCallerIdentity action URL must be specified."); | ||
| } | ||
|
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| String environmentId = (String) credentialSourceMap.get("environment_id"); | ||
|
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| // Environment version is prefixed by "aws". e.g. "aws1". | ||
| Matcher matcher = Pattern.compile("(aws)([\\d]+)").matcher(environmentId); | ||
| if (!matcher.matches()) { | ||
| throw new IllegalArgumentException("Invalid AWS environment ID."); | ||
| } | ||
|
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| int environmentVersion = Integer.parseInt(matcher.group(2)); | ||
| if (environmentVersion != 1) { | ||
| throw new IllegalArgumentException( | ||
| String.format( | ||
| "AWS version %s is not supported in the current build.", environmentVersion)); | ||
| } | ||
|
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| this.regionUrl = (String) credentialSourceMap.get("region_url"); | ||
| this.url = (String) credentialSourceMap.get("url"); | ||
| this.regionalCredentialVerificationUrl = | ||
| (String) credentialSourceMap.get("regional_cred_verification_url"); | ||
|
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| if (credentialSourceMap.containsKey(IMDSV2_SESSION_TOKEN_URL_FIELD_NAME)) { | ||
| this.imdsv2SessionTokenUrl = | ||
| (String) credentialSourceMap.get(IMDSV2_SESSION_TOKEN_URL_FIELD_NAME); | ||
| } else { | ||
| this.imdsv2SessionTokenUrl = null; | ||
| } | ||
| } | ||
| } |
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130 changes: 130 additions & 0 deletions
130
oauth2_http/java/com/google/auth/oauth2/IdentityPoolCredentialSource.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,130 @@ | ||
| /* | ||
| * Copyright 2023 Google LLC | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above | ||
| * copyright notice, this list of conditions and the following disclaimer | ||
| * in the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * | ||
| * * Neither the name of Google LLC nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
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| package com.google.auth.oauth2; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
| import javax.annotation.Nullable; | ||
|
|
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| /** | ||
| * The IdentityPool credential source. Dictates the retrieval method of the external credential, | ||
| * which can either be through a metadata server or a local file. | ||
| */ | ||
| public class IdentityPoolCredentialSource extends ExternalAccountCredentials.CredentialSource { | ||
|
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| private static final long serialVersionUID = -745855247050085694L; | ||
| IdentityPoolCredentialSourceType credentialSourceType; | ||
| CredentialFormatType credentialFormatType; | ||
| String credentialLocation; | ||
| @Nullable String subjectTokenFieldName; | ||
| @Nullable Map<String, String> headers; | ||
|
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| /** | ||
| * The source of the 3P credential. | ||
| * | ||
| * <p>If this is a file based 3P credential, the credentials file can be retrieved using the | ||
| * `file` key. | ||
| * | ||
| * <p>If this is URL-based 3p credential, the metadata server URL can be retrieved using the `url` | ||
| * key. | ||
| * | ||
| * <p>The third party credential can be provided in different formats, such as text or JSON. The | ||
| * format can be specified using the `format` header, which returns a map with keys `type` and | ||
| * `subject_token_field_name`. If the `type` is json, the `subject_token_field_name` must be | ||
| * provided. If no format is provided, we expect the token to be in the raw text format. | ||
| * | ||
| * <p>Optional headers can be present, and should be keyed by `headers`. | ||
| */ | ||
| public IdentityPoolCredentialSource(Map<String, Object> credentialSourceMap) { | ||
| super(credentialSourceMap); | ||
|
|
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| if (credentialSourceMap.containsKey("file") && credentialSourceMap.containsKey("url")) { | ||
| throw new IllegalArgumentException( | ||
| "Only one credential source type can be set, either file or url."); | ||
| } | ||
|
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| if (credentialSourceMap.containsKey("file")) { | ||
| credentialLocation = (String) credentialSourceMap.get("file"); | ||
| credentialSourceType = IdentityPoolCredentialSourceType.FILE; | ||
| } else if (credentialSourceMap.containsKey("url")) { | ||
| credentialLocation = (String) credentialSourceMap.get("url"); | ||
| credentialSourceType = IdentityPoolCredentialSourceType.URL; | ||
| } else { | ||
| throw new IllegalArgumentException( | ||
| "Missing credential source file location or URL. At least one must be specified."); | ||
| } | ||
|
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| Map<String, String> headersMap = (Map<String, String>) credentialSourceMap.get("headers"); | ||
| if (headersMap != null && !headersMap.isEmpty()) { | ||
| headers = new HashMap<>(); | ||
| headers.putAll(headersMap); | ||
| } | ||
|
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| // If the format is not provided, we expect the token to be in the raw text format. | ||
| credentialFormatType = CredentialFormatType.TEXT; | ||
|
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| Map<String, String> formatMap = (Map<String, String>) credentialSourceMap.get("format"); | ||
| if (formatMap != null && formatMap.containsKey("type")) { | ||
| String type = formatMap.get("type"); | ||
|
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| if (type != null && "json".equals(type.toLowerCase(Locale.US))) { | ||
| // For JSON, the subject_token field name must be provided. | ||
| if (!formatMap.containsKey("subject_token_field_name")) { | ||
| throw new IllegalArgumentException( | ||
| "When specifying a JSON credential type, the subject_token_field_name must be set."); | ||
| } | ||
| credentialFormatType = CredentialFormatType.JSON; | ||
| subjectTokenFieldName = formatMap.get("subject_token_field_name"); | ||
| } else if (type != null && "text".equals(type.toLowerCase(Locale.US))) { | ||
| credentialFormatType = CredentialFormatType.TEXT; | ||
| } else { | ||
| throw new IllegalArgumentException( | ||
| String.format("Invalid credential source format type: %s.", type)); | ||
| } | ||
| } | ||
| } | ||
|
|
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| boolean hasHeaders() { | ||
| return headers != null && !headers.isEmpty(); | ||
| } | ||
|
|
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| enum IdentityPoolCredentialSourceType { | ||
| FILE, | ||
| URL | ||
| } | ||
|
|
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| enum CredentialFormatType { | ||
| TEXT, | ||
| JSON | ||
| } | ||
| } |
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