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Programmatically generate htpasswd file #2539

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Jun 24, 2020
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1 change: 1 addition & 0 deletions build.gradle
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ subprojects {
MOCKITO_CORE: '3.2.4',
SLF4J_API: '1.7.25',
SYSTEM_RULES: '1.19.0',
JBCRYPT: '0.4',
]

// Use this to ensure we correctly override transitive dependencies
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1 change: 1 addition & 0 deletions jib-core/build.gradle
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ dependencies {
testImplementation "org.mockito:mockito-core:${dependencyVersions.MOCKITO_CORE}"
testImplementation "org.slf4j:slf4j-api:${dependencyVersions.SLF4J_API}"
testImplementation "com.github.stefanbirkner:system-rules:${dependencyVersions.SYSTEM_RULES}"
testImplementation "org.mindrot:jbcrypt:${dependencyVersions.JBCRYPT}"
}

jar {
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
import java.util.UUID;
import javax.annotation.Nullable;
import org.junit.rules.ExternalResource;
import org.mindrot.jbcrypt.BCrypt;

/** Runs a local registry. */
public class LocalRegistry extends ExternalResource {
Expand Down Expand Up @@ -68,19 +69,11 @@ public void start() throws IOException, InterruptedException {
Arrays.asList(
"docker", "run", "--rm", "-d", "-p", port + ":5000", "--name", containerName));
if (username != null && password != null) {
// Generate the htpasswd file to store credentials
String credentialString =
new Command(
"docker",
"run",
"--rm",
"--entrypoint",
"htpasswd",
"registry:2.7.0", // TODO: correctly fix this when using latest
"-Bbn",
username,
password)
.run();
// Equivalent of "$ htpasswd -nbB username password".
// https://httpd.apache.org/docs/2.4/misc/password_encryptions.html
// BCrypt generates hashes using $2a$ algorithm (instead of $2y$ from docs), but this seems
// to work okay
String credentialString = username + ":" + BCrypt.hashpw(password, BCrypt.gensalt());
// Creates the temporary directory in /tmp since that is one of the default directories
// mounted into Docker.
// See: https://docs.docker.com/docker-for-mac/osxfs
Expand Down