feat: Add BCrypt hashing transformer

gradle/libs.versions.toml

@@ -1,5 +1,6 @@
 [versions]
 assertj = "3.27.3"
+bcrypt = "0.10.2"
 changelog = "2.2.1"
 commons-codec = "1.18.0"
 commons-compress = "1.27.1"
@@ -31,6 +32,7 @@ zxing = "3.5.3"
 
 [libraries]
 assertj-core = { module = "org.assertj:assertj-core", version.ref = "assertj" }
+bcrypt = { module = "at.favre.lib:bcrypt", version.ref = "bcrypt" }
 commons-codec = { module = "commons-codec:commons-codec", version.ref = "commons-codec" }
 commons-compress = { module = "org.apache.commons:commons-compress", version.ref = "commons-compress" }
 commons-csv = { module = "org.apache.commons:commons-csv", version.ref = "commons-csv" }

modules/tools/ui/build.gradle.kts

@@ -30,6 +30,7 @@ dependencies {
   implementation(libs.jnanoid)
   implementation(libs.uuid.generator)
   implementation(libs.cronutils)
+  implementation(libs.bcrypt)
 
   testImplementation(libs.assertj.core)
   testImplementation(libs.bundles.junit.implementation)

modules/tools/ui/src/main/kotlin/dev/turingcomplete/intellijdevelopertoolsplugin/tool/ui/transformer/BCryptTransformer.kt

@@ -0,0 +1,73 @@
+package dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.transformer
+
+import at.favre.lib.crypto.bcrypt.BCrypt
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.project.Project
+import com.intellij.ui.dsl.builder.Panel
+import com.intellij.ui.dsl.builder.bindItem
+import dev.turingcomplete.intellijdevelopertoolsplugin.settings.DeveloperToolConfiguration
+import dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.base.DeveloperUiToolContext
+import dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.base.DeveloperUiToolFactory
+import dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.base.DeveloperUiToolPresentation
+import dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.converter.base.UndirectionalConverter
+
+class BCryptTransformer(
+  context: DeveloperUiToolContext,
+  configuration: DeveloperToolConfiguration,
+  parentDisposable: Disposable,
+  project: Project?,
+) :
+  UndirectionalConverter(
+    context = context,
+    configuration = configuration,
+    parentDisposable = parentDisposable,
+    project = project,
+    title = "BCrypt",
+    sourceTitle = "Password",
+    targetTitle = "Hash",
+    toTargetTitle = "Generate",
+  ) {
+  // -- Properties ---------------------------------------------------------- //
+
+  private val selectedCost = configuration.register("cost", DEFAULT_COST)
+
+  // -- Initialization ------------------------------------------------------ //
+  // -- Exposed Methods ----------------------------------------------------- //
+
+  override fun requestLiveConversion() {}
+
+  override fun doConvertToTarget(source: ByteArray): ByteArray {
+    val password = String(source, Charsets.UTF_8).toCharArray()
+    return BCrypt.withDefaults()
+      .hashToString(selectedCost.get(), password)
+      .toByteArray(Charsets.UTF_8)
+  }
+
+  override fun Panel.buildSourceTopConfigurationUi() {
+    row { comboBox(COST_RANGE.toList()).label("Cost:").bindItem(selectedCost) }
+  }
+
+  // -- Private Methods ----------------------------------------------------- //
+  // -- Inner Type ---------------------------------------------------------- //
+
+  class Factory : DeveloperUiToolFactory<BCryptTransformer> {
+
+    override fun getDeveloperUiToolPresentation() =
+      DeveloperUiToolPresentation(menuTitle = "BCrypt", contentTitle = "BCrypt Transformer")
+
+    override fun getDeveloperUiToolCreator(
+      project: Project?,
+      parentDisposable: Disposable,
+      context: DeveloperUiToolContext,
+    ): ((DeveloperToolConfiguration) -> BCryptTransformer) = { configuration ->
+      BCryptTransformer(context, configuration, parentDisposable, project)
+    }
+  }
+
+  // -- Companion Object ---------------------------------------------------- //
+
+  companion object {
+    private const val DEFAULT_COST = 12
+    private val COST_RANGE = 4..20
+  }
+}

src/main/resources/META-INF/plugin.xml

@@ -219,6 +219,10 @@
                 id="hmac-transformer"
                 groupId="cryptography"
                 implementationClass="dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.transformer.HmacTransformer$Factory"/>
+        <developerUiTool
+                id="bcrypt-transformer"
+                groupId="cryptography"
+                implementationClass="dev.turingcomplete.intellijdevelopertoolsplugin.tool.ui.transformer.BCryptTransformer$Factory"/>
         <developerUiTool
                 id="password-generator"
                 groupId="cryptography"