findjwtsecrets.md

Find JWT secrets

org.openrewrite.java.security.secrets.FindJwtSecrets

Locates JWTs stored in plain text in code.

Source

GitHub, Issue Tracker, Maven Central

• groupId: org.openrewrite.recipe
• artifactId: rewrite-java-security
• version: 2.0.1

Example

{% tabs %} {% tab title="yaml" %}

Before

{% code %}

tokens:
  # valid jwt
  v1: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # valid jwt - but header contains CR/LF-s
  v2: 'eyJ0eXAiOiJKV1QiLA0KImFsZyI6IkhTMjU2In0.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ'
    # valid jwt - but claims contain bunch of LF newlines (Does not Parse)
  v3: 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiSm9lIiwKInN0YXR1cyI6ImVtcGxveWVlIgp9'
    # valid jwt - claims contain strings with unicode accents
  v4: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IsWww6HFkcOtIMOWxZHDqcOoIiwiaWF0IjoxNTE2MjM5MDIyfQ.k5HibI_uLn_RTuPcaCNkaVaQH2y5q6GvJg8GPpGMRwQ'
    # as unicode literal (Does not Parse)
  v5: u'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # no signature - but still valid (Does not Parse)
  v6: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ'
    # decoded - invalid
  v7: '{"alg":"HS256","typ":"JWT"}.{"name":"Jon Doe"}.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # invalid json - invalid (caught by regex)
  v8: 'bm90X3ZhbGlkX2pzb25fYXRfYWxs.bm90X3ZhbGlkX2pzb25fYXRfYWxs.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # missing claims - invalid
  v9: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'
    # totally not a jwt
  v10: 'jwt'
    # invalid json with random bytes
  v11: 'eyJhbasdGciOiJIUaddasdasfsasdasdzI1NiIasdsInR5cCI6IkpXVCasdJasd9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # invalid json in jwt header - invalid (caught by parsing)
  v12: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # good by regex, but otherwise totally not JWT
  v13: 'eyJAAAA.eyJBBB'
  v14: 'eyJBB.eyJCC.eyJDDDD'

{% endcode %}

After

{% code %}

tokens:
  # valid jwt
  ~~(JWT)~~>v1: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # valid jwt - but header contains CR/LF-s
  v2: 'eyJ0eXAiOiJKV1QiLA0KImFsZyI6IkhTMjU2In0.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ'
    # valid jwt - but claims contain bunch of LF newlines (Does not Parse)
  v3: 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiSm9lIiwKInN0YXR1cyI6ImVtcGxveWVlIgp9'
    # valid jwt - claims contain strings with unicode accents
  ~~(JWT)~~>v4: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IsWww6HFkcOtIMOWxZHDqcOoIiwiaWF0IjoxNTE2MjM5MDIyfQ.k5HibI_uLn_RTuPcaCNkaVaQH2y5q6GvJg8GPpGMRwQ'
    # as unicode literal (Does not Parse)
  v5: u'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # no signature - but still valid (Does not Parse)
  v6: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ'
    # decoded - invalid
  v7: '{"alg":"HS256","typ":"JWT"}.{"name":"Jon Doe"}.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # invalid json - invalid (caught by regex)
  v8: 'bm90X3ZhbGlkX2pzb25fYXRfYWxs.bm90X3ZhbGlkX2pzb25fYXRfYWxs.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # missing claims - invalid
  v9: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'
    # totally not a jwt
  v10: 'jwt'
    # invalid json with random bytes
  v11: 'eyJhbasdGciOiJIUaddasdasfsasdasdzI1NiIasdsInR5cCI6IkpXVCasdJasd9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # invalid json in jwt header - invalid (caught by parsing)
  v12: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # good by regex, but otherwise totally not JWT
  v13: 'eyJAAAA.eyJBBB'
  v14: 'eyJBB.eyJCC.eyJDDDD'

{% endcode %}

{% endtab %} {% tab title="Diff" %} {% code %}

@@ -3,1 +3,1 @@
tokens:
  # valid jwt
- v1: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
+ ~~(JWT)~~>v1: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
    # valid jwt - but header contains CR/LF-s
@@ -9,1 +9,1 @@
  v3: 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiSm9lIiwKInN0YXR1cyI6ImVtcGxveWVlIgp9'
    # valid jwt - claims contain strings with unicode accents
- v4: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IsWww6HFkcOtIMOWxZHDqcOoIiwiaWF0IjoxNTE2MjM5MDIyfQ.k5HibI_uLn_RTuPcaCNkaVaQH2y5q6GvJg8GPpGMRwQ'
+ ~~(JWT)~~>v4: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IsWww6HFkcOtIMOWxZHDqcOoIiwiaWF0IjoxNTE2MjM5MDIyfQ.k5HibI_uLn_RTuPcaCNkaVaQH2y5q6GvJg8GPpGMRwQ'
    # as unicode literal (Does not Parse)

{% endcode %} {% endtab %} {% endtabs %}

Usage

This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-java-security:2.0.1 in your build file or by running a shell command (in which case no build changes are needed): {% tabs %} {% tab title="Gradle" %} {% code title="build.gradle" %}

plugins {
    id("org.openrewrite.rewrite") version("6.1.4")
}

rewrite {
    activeRecipe("org.openrewrite.java.security.secrets.FindJwtSecrets")
}

repositories {
    mavenCentral()
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-java-security:2.0.1")
}

{% endcode %} {% endtab %} {% tab title="Maven POM" %} {% code title="pom.xml" %}

<project>
  <build>
    <plugins>
      <plugin>
        <groupId>org.openrewrite.maven</groupId>
        <artifactId>rewrite-maven-plugin</artifactId>
        <version>5.2.4</version>
        <configuration>
          <activeRecipes>
            <recipe>org.openrewrite.java.security.secrets.FindJwtSecrets</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-java-security</artifactId>
            <version>2.0.1</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>
</project>

{% endcode %} {% endtab %}

{% tab title="Maven Command Line" %} {% code title="shell" %} You will need to have Maven installed on your machine before you can run the following command.

mvn -U org.openrewrite.maven:rewrite-maven-plugin:run \
  -Drewrite.recipeArtifactCoordinates=org.openrewrite.recipe:rewrite-java-security:RELEASE \
  -Drewrite.activeRecipes=org.openrewrite.java.security.secrets.FindJwtSecrets

{% endcode %} {% endtab %} {% endtabs %}

Contributors

• Jonathan Schnéider
• Knut Wannheden

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