fdroid-client/extern/gradle-witness/src/main/groovy/org/whispersystems/witness/WitnessPlugin.groovy

65 lines
2.2 KiB
Groovy

package org.whispersystems.witness
import org.gradle.api.InvalidUserDataException
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.artifacts.ResolvedArtifact
import java.security.MessageDigest
class WitnessPluginExtension {
List verify
}
class WitnessPlugin implements Plugin<Project> {
static String calculateSha256(file) {
MessageDigest md = MessageDigest.getInstance("SHA-256");
file.eachByte 4096, {bytes, size ->
md.update(bytes, 0, size);
}
return md.digest().collect {String.format "%02x", it}.join();
}
void apply(Project project) {
project.extensions.create("dependencyVerification", WitnessPluginExtension)
project.afterEvaluate {
project.dependencyVerification.verify.each {
assertion ->
List parts = assertion.tokenize(":")
String group = parts.get(0)
String name = parts.get(1)
String hash = parts.get(2)
ResolvedArtifact dependency = project.configurations.compile.resolvedConfiguration.resolvedArtifacts.find {
return it.name.equals(name) && it.moduleVersion.id.group.equals(group)
}
println "Verifying " + group + ":" + name
if (dependency == null) {
throw new InvalidUserDataException("No dependency for integrity assertion found: " + group + ":" + name)
}
if (!hash.equals(calculateSha256(dependency.file))) {
throw new InvalidUserDataException("Checksum failed for " + assertion)
}
}
}
project.task('calculateChecksums') << {
println "dependencyVerification {"
println " verify = ["
project.configurations.compile.resolvedConfiguration.resolvedArtifacts.each {
dep ->
println " '" + dep.moduleVersion.id.group+ ":" + dep.name + ":" + calculateSha256(dep.file) + "',"
}
println " ]"
println "}"
}
}
}