1 files changed, 152 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSigned.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSigned.java
new file mode 100644
index 00000000..585fb3a7
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSigned.java
@@ -0,0 +1,152 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+package org.apache.tools.ant.taskdefs.condition;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Enumeration;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.taskdefs.ManifestTask;
+import org.apache.tools.ant.types.DataType;
+import org.apache.tools.zip.ZipEntry;
+import org.apache.tools.zip.ZipFile;
+
+/**
+ * Checks whether a jarfile is signed: if the name of the
+ * signature is passed, the file is checked for presence of that
+ * particular signature; otherwise the file is checked for the
+ * existence of any signature.
+ */
+public class IsSigned extends DataType implements Condition {
+
+    private static final String SIG_START = "META-INF/";
+    private static final String SIG_END = ".SF";
+    private static final int    SHORT_SIG_LIMIT = 8;
+
+    private String name;
+    private File file;
+
+    /**
+     * The jarfile that is to be tested for the presence
+     * of a signature.
+     * @param file jarfile to be tested.
+     */
+    public void setFile(File file) {
+        this.file = file;
+    }
+
+   /**
+     * The signature name to check jarfile for.
+     * @param name signature to look for.
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * Returns <code>true</code> if the file exists and is signed with
+     * the signature specified, or, if <code>name</code> wasn't
+     * specified, if the file contains a signature.
+     * @param zipFile the zipfile to check
+     * @param name the signature to check (may be killed)
+     * @return true if the file is signed.
+     * @throws IOException on error
+     */
+    public static boolean isSigned(File zipFile, String name)
+        throws IOException {
+        ZipFile jarFile = null;
+        try {
+            jarFile = new ZipFile(zipFile);
+            if (null == name) {
+                Enumeration entries = jarFile.getEntries();
+                while (entries.hasMoreElements()) {
+                    String eName = ((ZipEntry) entries.nextElement()).getName();
+                    if (eName.startsWith(SIG_START)
+                        && eName.endsWith(SIG_END)) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+            name = replaceInvalidChars(name);
+            boolean shortSig = jarFile.getEntry(SIG_START
+                        + name.toUpperCase()
+                        + SIG_END) != null;
+            boolean longSig = false;
+            if (name.length() > SHORT_SIG_LIMIT) {
+                longSig = jarFile.getEntry(
+                    SIG_START
+                    + name.substring(0, SHORT_SIG_LIMIT).toUpperCase()
+                    + SIG_END) != null;
+            }
+
+            return shortSig || longSig;
+        } finally {
+            ZipFile.closeQuietly(jarFile);
+        }
+    }
+
+    /**
+     * Returns <code>true</code> if the file exists and is signed with
+     * the signature specified, or, if <code>name</code> wasn't
+     * specified, if the file contains a signature.
+     * @return true if the file is signed.
+     */
+    public boolean eval() {
+        if (file == null) {
+            throw new BuildException("The file attribute must be set.");
+        }
+        if (!file.exists()) {
+            log("The file \"" + file.getAbsolutePath()
+                + "\" does not exist.", Project.MSG_VERBOSE);
+            return false;
+        }
+
+        boolean r = false;
+        try {
+            r = isSigned(file, name);
+        } catch (IOException e) {
+            log("Got IOException reading file \"" + file.getAbsolutePath()
+                + "\"" + e, Project.MSG_WARN);
+        }
+
+        if (r) {
+            log("File \"" + file.getAbsolutePath() + "\" is signed.",
+                Project.MSG_VERBOSE);
+        }
+        return r;
+    }
+
+    private static String replaceInvalidChars(final String name) {
+        StringBuffer sb = new StringBuffer();
+        final int len = name.length();
+        boolean changes = false;
+        for (int i = 0; i < len; i++) {
+            final char ch = name.charAt(i);
+            if (ManifestTask.VALID_ATTRIBUTE_CHARS.indexOf(ch) < 0) {
+                sb.append("_");
+                changes = true;
+            } else {
+                sb.append(ch);
+            }
+        }
+        return changes ? sb.toString() : name;
+    }
+}