SEC-1689: Re-instate crypto as separate library (for use in non-Spring Security apps), as well as packaging with core.

buildSrc/src/main/groovy/bundlor/BundlorPlugin.groovy

@@ -45,6 +45,7 @@ class BundlorPlugin implements Plugin<Project> {
 
 public class Bundlor extends DefaultTask {
     @InputFile
+    @Optional
     File manifestTemplate
 
     @OutputDirectory
@@ -69,13 +70,26 @@ public class Bundlor extends DefaultTask {
 
     Bundlor() {
         manifestTemplate = new File(project.projectDir, 'template.mf')
+
+        if (!manifestTemplate.exists()) {
+            logger.info("No bundlor template for project " + project.name)
+            manifestTemplate = null
+        }
+
         inputPaths = project.files(project.sourceSets.main.classesDir)
-        project.jar.manifest.from manifest
-        project.jar.inputs.files manifest
+
+        if (manifestTemplate != null) {
+            project.jar.manifest.from manifest
+            project.jar.inputs.files manifest
+        }
     }
 
     @TaskAction
     void createManifest() {
+        if (manifestTemplate == null) {
+            return;
+        }
+
         logging.captureStandardOutput(LogLevel.INFO)
 
         project.mkdir(bundlorDir)

core/core.gradle

@@ -1,5 +1,9 @@
 // Core build file
 
+// We don't define a module dependency on crypto to avoid creating a transitive dependency
+def cryptoProject = project(':spring-security-crypto')
+def cryptoClasses = cryptoProject.sourceSets.main.classes
+
 dependencies {
     compile 'aopalliance:aopalliance:1.0',
             "net.sf.ehcache:ehcache:$ehcacheVersion",
@@ -20,16 +24,22 @@ dependencies {
                 "cglib:cglib-nodep:$cglibVersion"
 }
 
-// jdkVersion = System.properties['java.version']
-// isJdk6 = jdkVersion >= '1.6'
-int maxAESKeySize = javax.crypto.Cipher.getMaxAllowedKeyLength('AES')
+compileJava.dependsOn cryptoProject.compileJava
+classes.dependsOn cryptoProject.classes
+
+classes.doLast {
+    copy {
+        from cryptoClasses
+        into sourceSets.main.classesDir
+    }
+}
+
+sourceSets.main.compileClasspath += cryptoClasses
+sourceSets.test.compileClasspath += cryptoClasses
+
+sourceJar.from cryptoProject.sourceSets.main.java
 
 test {
     systemProperties['springSecurityVersion'] = version
     systemProperties['springVersion'] = springVersion
-
-    if (maxAESKeySize < 256) {
-        logger.warn("AES keysize limited to $maxAESKeySize, skipping EncryptorsTests")
-        exclude '**/EncryptorsTests.class'
-    }
 }

crypto/crypto.gradle

@@ -0,0 +1,12 @@
+// crypto module build file
+
+// jdkVersion = System.properties['java.version']
+// isJdk6 = jdkVersion >= '1.6'
+int maxAESKeySize = javax.crypto.Cipher.getMaxAllowedKeyLength('AES')
+
+test {
+    if (maxAESKeySize < 256) {
+        println "AES keysize limited to $maxAESKeySize, skipping EncryptorsTests"
+        exclude '**/EncryptorsTests.class'
+    }
+}

settings.gradle

@@ -8,7 +8,8 @@ def String[] modules = [
     'cas',
     'openid',
     'taglibs',
-    'aspects'
+    'aspects',
+    'crypto'
 ]
 
 def String[] samples = [