diff options
Diffstat (limited to 'Installer/FileTool.java')
| -rw-r--r-- | Installer/FileTool.java | 645 |
1 files changed, 645 insertions, 0 deletions
diff --git a/Installer/FileTool.java b/Installer/FileTool.java new file mode 100644 index 0000000..49cc782 --- /dev/null +++ b/Installer/FileTool.java @@ -0,0 +1,645 @@ +import java.awt.*; +import java.io.*; +import java.net.*; +import java.util.*; +import java.util.zip.*; + +public class FileTool +{ + public static final boolean fileExists(MachineCtrl mctrl, + String filename + ) + { + if (mctrl.isNetscapeJvm) + { + try + { + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFileAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalConnect"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFdRead"); + } + catch (Exception e) + { + System.out.println + ("Netscape denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + else if (mctrl.isMicrosoftJvm) + { + try + { + com.ms.security.PolicyEngine.assertPermission (com.ms.security.PermissionID.FILEIO); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.PROPERTY); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.SYSTEM); + } + catch (Exception e) + { + System.out.println + ("Microsoft VM denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + File f = new File(filename); + return f.exists(); + } + + public static final boolean libraryExists(MachineCtrl mctrl, + String libname, Vector libdirlist + ) + { + if (mctrl.isNetscapeJvm) + { + try + { + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFileAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalExecAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalConnect"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFdRead"); + } + catch (Exception e) + { + System.out.println + ("Netscape denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + else if (mctrl.isMicrosoftJvm) + { + try + { + com.ms.security.PolicyEngine.assertPermission (com.ms.security.PermissionID.FILEIO); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.PROPERTY); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.SYSTEM); + } + catch (Exception e) + { + System.out.println + ("Microsoft VM denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + if (mctrl.isUnix) + { + File f = new File("/etc/ld.so.conf"); + if (f.exists()) + { + try + { + BufferedReader br = + new BufferedReader(new FileReader(f)); + try + { + while (true) + { + String s = br.readLine(); + if (s == null) break; + if (s.length() > 0) + libdirlist.addElement(new String(s)); + } + } + catch (Exception e) + { + br.close(); + } + } + catch (Exception e) + { } + } + } + if (libdirlist != null) + { + for (int i = 0; i < libdirlist.size(); i++) + { + String s = (String)libdirlist.elementAt(i); + if ( (s != null) && (s.length() > 0) ) + { + if (new File(s + "/" + libname).exists()) + { + System.out.println + ("File found: "+s + "/" + libname+"\n"); + return true; + } + } + } + } + return false; + } + + /** + * Create all directory entries, + * which the given path contains ! + * + * The given path can contain a file at the end, + * only elements finishing with a "/" are interpreted as an + * directory, therefor only for these, directories are created ! + * + * E.g. "../binpkg/test.zip" + * The following directories will be created: + * .. -> error is catched and ignored + * ../binpkg/ + * + * + * This is the same, like "mkdir -P /hello/dirs/" ! + */ + public static final boolean MkdirWithParents(MachineCtrl mctrl, String path) + { + if(path==null) return true; + + if (mctrl.isNetscapeJvm) + { + try + { + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFileAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalExecAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalConnect"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFdRead"); + } + catch (Exception e) + { + System.out.println + ("Netscape denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + else if (mctrl.isMicrosoftJvm) + { + try + { + com.ms.security.PolicyEngine.assertPermission (com.ms.security.PermissionID.FILEIO); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.PROPERTY); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.SYSTEM); + } + catch (Exception e) + { + System.out.println + ("Microsoft VM denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + int dl = path.length(); + int pos = 0; + File tmpdir = null; + String thisPath = null; + + while(0<=pos && pos<dl) + { + pos = path.indexOf('/', pos+1); + if(pos>0) + { + thisPath = path.substring(0,pos); + tmpdir = new File (thisPath); + try + { + tmpdir.mkdir(); + System.out.println("mkdir "+thisPath); + } + catch (Exception e0) + { } + tmpdir = null; + } + } + + return true; + } + + /** + * Copy all files from the zip + * or jar archive pointed to by zipURL to their + * corresponding destination given in targetDirs[] ! + * + * The status window is updated with the name of the + * source file being copied. + * + * Each listed source file is simultaneously copied to + * all of its destination files. This means that the + * zip archive is only read once to minimize the amount + * of data that is transferred over the network. + */ + public static final boolean copyFilesFromZip + (MachineCtrl mctrl, + URL zipURL, String targetDirs[], + TextArea statustextarea + ) + { + int i, j; + boolean ok = true; + int nFiles = targetDirs.length; + String srcFile = null; + String destFiles[] = new String[nFiles]; + File dstfils[] = new File[nFiles]; + FileOutputStream fos[] = new FileOutputStream[nFiles]; + + if(targetDirs==null) return true; + + if (mctrl.isNetscapeJvm) + { + try + { + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFileAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalExecAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalConnect"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFdRead"); + } + catch (Exception e) + { + System.out.println + ("Netscape denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + else if (mctrl.isMicrosoftJvm) + { + try + { + com.ms.security.PolicyEngine.assertPermission (com.ms.security.PermissionID.FILEIO); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.PROPERTY); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.SYSTEM); + } + catch (Exception e) + { + System.out.println + ("Microsoft VM denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + for (i = 0; i < nFiles; i++) + { + // + // adding a trailing path-seperator, if needed ! + // + if(targetDirs[i]!=null) + { + targetDirs[i] = targetDirs[i].trim(); + if(targetDirs[i].indexOf('/', targetDirs[i].length()-1)<0) + targetDirs[i] += "/"; + System.out.println("targetDir: "+targetDirs[i]); + } + } + + ZipInputStream zis = null; + + // Open the archive. + try + { + zis = new ZipInputStream(zipURL.openStream()); + } + catch (Exception e0) + { + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Cannot open file: " + zipURL + "\n"); + return false; // Should never happen! + } + + try + { + while (ok) + { + ZipEntry entry = zis.getNextEntry(); + if(entry==null) + break; + + if (!entry.isDirectory()) + { + srcFile = entry.getName(); + + for(i=0; ok && i<nFiles; i++) + { + destFiles[i] = targetDirs[i] + srcFile; + dstfils[i] = new File(destFiles[i]); + + if (dstfils[i].exists()) + { + try + { + dstfils[i].delete(); + } + catch (Exception e0) + { } + } else { + FileTool.MkdirWithParents(mctrl, destFiles[i]); + } + + try + { + fos[i] = new FileOutputStream(dstfils[i]); + } + catch (Exception e0) + { + fos[i] = null; + + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Cannot create file: " + destFiles[i] + "\n"); + ok= false; + break; // breaks the beast ... + } + } + + if(ok) + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Installing source file: " + srcFile ); + + try + { + byte[] buf = new byte[4096]; + int bytesread; + while (ok && + (bytesread = zis.read(buf,0,buf.length)) >= 0 + ) + { + if (bytesread < 1) continue; + try + { + // Write the data to the destination files. + for (i = 0; ok && i < nFiles; i++) + { + if (fos[i] != null) + fos[i].write(buf,0,bytesread); + } + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + "."); + } + catch (Exception e0) + { + // We got a write error. + + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "\nCannot write file: " + destFiles[i] + + "\n"); + + ok = false; + continue; // breaks the beast ... + } + } + } + catch (Exception e0) + { } // Should never happen! + + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + "\n"); + + for (j = 0; j < i; j++) + { + if (fos[j] != null) + { + try + { + fos[j].close(); + } + catch(Exception e1) + { } + } + if (!ok && dstfils[j] != null) + { + try + { + dstfils[j].delete(); + } + catch (Exception e1) + { } + fos[j] = null; + } + } + } + } + } + catch (Exception e0) + { } // End of archive. + + try + { + zis.close(); + } + catch(Exception e1) + { } + + if(!ok) + { + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "INSTALLATION INCOMPLETE !!\n"+ + "Please check this log files for reasons !\n"); + return false; + } + + return true; + } + + /** + * Copy srcFile from the remote directory pointed to by + * baseURL to the local path pointed to by destFile. + * + * If baseURL is null, + * an ordinary filecopy is used (Local Harddisk) + */ + public static final boolean copyFileFromDir(MachineCtrl mctrl, + URL baseURL, + String srcFile, String destFile, + TextArea statustextarea) + { + URL srcURL = null; + InputStream is = null; + FileOutputStream fos = null; + File srcfil = null; + File dstfil = null; + boolean ok = true; + + if (mctrl.isNetscapeJvm) + { + try + { + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFileAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalExecAccess"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalConnect"); + netscape.security.PrivilegeManager.enablePrivilege + ("UniversalFdRead"); + } + catch (Exception e) + { + System.out.println + ("Netscape denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + else if (mctrl.isMicrosoftJvm) + { + try + { + com.ms.security.PolicyEngine.assertPermission (com.ms.security.PermissionID.FILEIO); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.PROPERTY); + com.ms.security.PolicyEngine.assertPermission + (com.ms.security.PermissionID.SYSTEM); + } + catch (Exception e) + { + System.out.println + ("Microsoft VM denied privileges, or a failure occurred.\n"+ + "Here is the exception that was caught:\n"+e+"\n"); + return false; + } + } + try + { + if(baseURL!=null) + srcURL = new URL(baseURL.toString() + "/" + srcFile); + } + catch (Exception e) + { + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Cannot get URL: " + baseURL.toString()+"/"+srcFile+"\n"); + return false; + } + + dstfil = new File(destFile); + + // Open the source file. + try + { + if(srcURL!=null) + is = srcURL.openStream(); + else { + srcfil = new File(srcFile); + is = new FileInputStream(srcfil); + } + } + catch (Exception e0) + { + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Cannot open file: " + srcURL + "\n"); + return false; + } + + FileTool.MkdirWithParents(mctrl, destFile); + + // If the destination file exists, attempt to + // delete it. + if (dstfil.exists()) + { + try + { + dstfil.delete(); + } + catch (Exception e0) + { } + } + + // Create the destination file. + try + { + fos = new FileOutputStream(dstfil); + } + catch (Exception e0) + { + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Cannot create file: " + destFile + "\n"); + ok=false; + } + + // Copy the data from the source to the destination. + try + { + byte[] buf = new byte[4096]; + int bytesread; + while (ok && (bytesread = is.read(buf,0,buf.length)) >= 0) + { + if (bytesread < 1) continue; + try + { + // Write the data to the destination file. + fos.write(buf,0,bytesread); + } + catch (Exception e0) + { + // Write error. + if(statustextarea!=null) + statustextarea.setText + (statustextarea.getText() + + "Cannot write file: " + destFile + "\n"); + ok = false; + } + } + } + catch (Exception e0) + { } // Should never happen! + + try + { + if(is!=null) + is.close(); + } + catch(Exception e1) + { } + + try + { + if(fos!=null) + fos.close(); + } + catch(Exception e1) + { } + try + { + if(!ok && dstfil!=null) + dstfil.delete(); + } + catch(Exception e1) + { } + + return ok; + } + + +} |