Add csar.meta and TOSCA.meta validation code.

IssueId: VNFSDK-83

Change-Id: I5bae38239c5dcd3c235396eeb5f8f81da69d298c
Signed-off-by: AvinashS <avinash.s@huawei.com>

4 files changed, 98 insertions, 77 deletions

diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/CommonConstants.java b/csarvalidation/src/main/java/org/onap/validation/csar/CommonConstants.java
index b36bb62..be709ad 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/CommonConstants.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/CommonConstants.java
@@ -27,8 +27,6 @@ public class CommonConstants {
 
 	// host image progress
 
-	public static final String TOSCA_METADATA = "TOSCA-Metadata";
-
 	public static final String CSAR_VERSION_META = "version";
 
 	public static final String CSAR_TYPE_META = "type";
@@ -39,6 +37,10 @@ public class CommonConstants {
 
 	public static final String CSAR_META = "csar.meta";
 
+	public static final String TOSCA_METADATA = "TOSCA-Metadata";
+
+	public static final String TOSCA_META = "TOSCA.meta";
+
 	public static final String CSAR_SUFFIX = ".csar";
 
 	public static final String HTTP_HEADER_CONTENT_RANGE = "Content-Range";
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/CsarParser.java b/csarvalidation/src/main/java/org/onap/validation/csar/CsarParser.java
index 5448268..62e8492 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/CsarParser.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/CsarParser.java
@@ -18,30 +18,65 @@ package org.onap.validation.csar;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
+import java.io.*;
+
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Enumeration;
 
-import java.io.File;
-import java.io.FileOutputStream;
+import java.util.*;
+
+import static java.nio.charset.StandardCharsets.*;
+
 
 public class CsarParser {
 
 	private static final Logger LOG = LoggerFactory.getLogger(CsarParser.class);
 
+	// Map of CSAR file and un-zipped file indices
+	private static HashMap<String, String> csarFiles;
 	
+	//  Map of packageId and CSAR files
+	private static HashMap<String, HashMap<String, String>> csar = new HashMap<String, HashMap<String, String>>(); 
 	
+	private static final CsarUtil cUtil = new CsarUtil();
+	/*
+	 * pubic static boolean validateCsar(String filePath) {
+	 * 
+	 * csarExtract(filePath);
+	 * 
+	 * validateCsarMeta();
+	 * 
+	 * 
+	 * }
+	 */
+
+	
+	public static boolean validateCsarIntegrity(String csarWithPath) {
+
+		try {
+			RandomAccessFile raf = new RandomAccessFile(csarWithPath, "r");
+			long n = raf.readInt();
+			raf.close();
+
+			// Check for the CSAR's integrity
+			if (n != 0x504B0304) {
+				LOG.error("CSAR %s is not a valid CSAR/ZIP file! ");
+				return false;
+			}
+			return true;
+		} catch (IOException e1) {
+			LOG.error("CSAR %s is not a valid CSAR/ZIP file! ", e1);
+			return false;
+		}
+	}
+
 	public static boolean csarExtract(String filePath) {
 
 		try {
 			String tempfolder = CsarUtil.getUnzipDir(filePath);
-			CsarUtil.csarFiles = CsarUtil.unzip(filePath, tempfolder);
+			csarFiles = CsarUtil.unzip(filePath, tempfolder);
 		} catch (IOException e1) {
 			LOG.error("CSAR extraction error ! " + e1.getMessage());
 			return false;
@@ -49,11 +84,10 @@ public class CsarParser {
 		return true;
 	}
 
-	
 	public static boolean validateCsarMeta() {
 
-		for (String cfile : CsarUtil.csarFiles) {
-			if (cfile.endsWith(CommonConstants.CSAR_META)) {
+		String cfile = csarFiles.get(CommonConstants.CSAR_META);
+		if (!cfile.isEmpty()) {
 				File file = new File(cfile);
 				BufferedReader reader = null;
 
@@ -82,9 +116,10 @@ public class CsarParser {
 									return false;
 								}
 							}
-						}
+						
 					}
 					reader.close();
+				  }
 				} catch (IOException e2) {
 					e2.printStackTrace();
 					return false;
@@ -96,12 +131,46 @@ public class CsarParser {
 							LOG.error("close reader failed ! " + e1.getMessage());
 						}
 					}
+					return true;
 				}
-				return true;
-			}
-
 		}
 
 		return false;
 	}
+
+
+	public static boolean validateToscaMeta() {
+
+        String cfile = csarFiles.get(CommonConstants.TOSCA_META);
+        try {
+            if (!cfile.isEmpty() && cfile.contains("/" + CommonConstants.TOSCA_METADATA + "/" + CommonConstants.TOSCA_META)) {
+
+                String value = checkEntryFor("Entry-Definitions:", cfile);
+                if (value == null) {
+                    return false;
+                    //Check if Entry-Defintions pointed file exists in CSAR
+                } else if (csarFiles.get(value) != null) {
+                    return true;
+                }
+            }
+        } catch (IOException e) {
+            LOG.error("Could not read file %s ! " + e.getMessage(), cfile);
+        }
+
+        return false;
+    }
+
+
+	private static String checkEntryFor(String attribute, String fileWithPath) throws IOException {
+
+        List<String> lines = Files.readAllLines(Paths.get(fileWithPath), UTF_8);
+
+        for(String strLine : lines) {
+            if (!attribute.isEmpty() && strLine.contains(attribute)) {
+                return strLine.substring(attribute.length(), strLine.length());
+            }
+        }
+        return null;
+    }
 }
+
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/CsarUtil.java b/csarvalidation/src/main/java/org/onap/validation/csar/CsarUtil.java
index 53169fb..3708dbf 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/CsarUtil.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/CsarUtil.java
@@ -30,6 +30,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.Enumeration;
 
 import java.util.zip.ZipEntry;
@@ -40,7 +41,7 @@ public class CsarUtil {
 	
 	private static final Logger logger = LoggerFactory.getLogger(CsarUtil.class);
 	
-	public static ArrayList<String> csarFiles = null;
+	
 
 	public static String getUnzipDir(String dirName) {
 		File tmpDir = new File(File.separator + dirName);
@@ -54,13 +55,13 @@ public class CsarUtil {
 	 *            file name to zip
 	 * @param extPlace
 	 *            extPlace
-	 * @return unzip file name
+	 * @return unzip file names in zip
 	 * @throws IOException
 	 *             e1
 	 */
-	public static ArrayList<String> unzip(String zipFileName, String extPlace) throws IOException {
+	public static HashMap<String, String> unzip(String zipFileName, String extPlace) throws IOException {
 		ZipFile zipFile = null;
-		ArrayList<String> unzipFileNams = new ArrayList<String>();
+		HashMap<String, String> unzipFileNames = new HashMap<String, String>();
 
 		try {
 			zipFile = new ZipFile(zipFileName);
@@ -90,7 +91,7 @@ public class CsarUtil {
 						}
 						bos.write(buffer, 0, length);
 					}
-					unzipFileNams.add(file.getAbsolutePath());
+					unzipFileNames.put(file.getName(), file.getAbsolutePath());
 				} finally {
 					closeOutputStream(bos);
 					closeInputStream(input);
@@ -99,7 +100,7 @@ public class CsarUtil {
 		} finally {
 			FileUtil.closeZipFile(zipFile);
 		}
-		return unzipFileNams;
+		return unzipFileNames;
 	}
 
 	/**
diff --git a/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java b/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java
index 3a9d9e8..82f6ff4 100644
--- a/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java
+++ b/csarvalidation/src/main/java/org/onap/validation/csar/FileUtil.java
@@ -93,57 +93,6 @@ public final class FileUtil {
 
 
     /**
-     * unzip zip file.
-     * @param zipFileName file name to zip
-     * @param extPlace extPlace
-     * @return unzip file name
-     * @throws IOException e1
-     */
-    public static ArrayList<String> unzip(String zipFileName, String extPlace) throws IOException {
-        ZipFile zipFile = null;
-        ArrayList<String> unzipFileNams = new ArrayList<String>();
-
-        try {
-            zipFile = new ZipFile(zipFileName);
-            Enumeration<?> fileEn = zipFile.entries();
-            byte[] buffer = new byte[CommonConstants.BUFFER_SIZE];
-
-            while (fileEn.hasMoreElements()) {
-                InputStream input = null;
-                BufferedOutputStream bos = null;
-                try {
-                    ZipEntry entry = (ZipEntry) fileEn.nextElement();
-                    if (entry.isDirectory()) {
-                        continue;
-                    }
-
-                    input = zipFile.getInputStream(entry);
-                    File file = new File(extPlace, entry.getName());
-                    if (!file.getParentFile().exists()) {
-                        createDirectory(file.getParentFile().getAbsolutePath());
-                    }
-
-                    bos = new BufferedOutputStream(new FileOutputStream(file));
-                    while (true) {
-                        int length = input.read(buffer);
-                        if (length == -1) {
-                            break;
-                        }
-                        bos.write(buffer, 0, length);
-                    }
-                    unzipFileNams.add(file.getAbsolutePath());
-                } finally {
-                    closeOutputStream(bos);
-                    closeInputStream(input);
-                }
-            }
-        } finally {
-            closeZipFile(zipFile);
-        }
-        return unzipFileNams;
-    }
-
-    /**
      * close InputStream.
      * 
      * @param inputStream the inputstream to close