topical media & game development

topical media & game development

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

alt-bot-lib-nntp.php / php


  <?php
  /*

#################################################################

Copyright 2007, Michael Schrenk This software is designed for use with the book, "Webbots, Spiders, and Screen Scarpers", Michael Schrenk, 2007 No Starch Press, San Francisco CA W3C� SOFTWARE NOTICE AND LICENSE This work (and included software, documentation such as READMEs, or other related items) is being provided by the copyright holders under the following license. By obtaining, using and/or copying this work, you (the licensee) agree that you have read, understood, and will comply with the following terms and conditions. Permission to copy, modify, and distribute this software and its documentation, with or without modification, for any purpose and without fee or royalty is hereby granted, provided that you include the following on ALL copies of the software and documentation or portions thereof, including modifications: 1. The full text of this NOTICE in a location viewable to users of the redistributed or derivative work. 2. Any pre-existing intellectual property disclaimers, notices, or terms and conditions. If none exist, the W3C Software Short Notice should be included (hypertext is preferred, text is permitted) within the body of any redistributed or derivative code. 3. Notice of any changes or modifications to the files, including the date changes were made. (We recommend you provide URIs to the location from which the code is derived.) THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS. COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION. The name and trademarks of copyright holders may NOT be used in advertising or publicity pertaining to the software without specific, written prior permission. Title to copyright in this software and any associated documentation will at all times remain with copyright holders.
#################################################################




  */
  
  #-----------------------------------------------------------------------
  # F U N C T I O N S                                                     
  #                                                                       
  # read_nntp_buffer( $socket)                                             
  #    Used by the other functions to read the buffer that receives data  
  #    from news servers #                                                                       
  # get_nntp_groups($ server)                                              
  #    Returns a list of newsgroups on a valid news server                
  #                                                                       
  # get_nntp_article_ids( $server,$ newsgroup)                             
  #    Returns a list of article ids for a newsgroup on a news server     
  #                                                                       
  # read_nntp_article( $server,$ newsgroup,  $article)                      
  #    Downloads a single article from a news group on a news server      
  #                                                                       
  #-----------------------------------------------------------------------$

********************************************************************* read_nntp_buffer(socket) ------------------------------------------------------------- DESCRIPTION: Reads data from a news server THIS FUNCTION IS USED INTERNALLY AND NOT USEFUL ALONE INPUT: $socket Reference to the socket of the connection to
the news server

OUTPUT:
The data sent from the news server
*********************************************************************$


  
  function read_nntp_buffer(socket)
      {
       $this_line ="";$ buffer ="";
  
      while( $this_line!=".\r\n")$ // Read until lone . found on line
          {
          this_line = fgets( $socket);    // Read line from socket$ buffer =  $buffer .$ this_line;
          #
          # UNCOMMENT THE FOLLOWING LINE IF YOU NEED TO SEE PROGRESS (This script may take a long time to run).
           echo "this_line= $this_line;$ <br>";
          #
          }
      return buffer;
      }

********************************************************************* get_nntp_groups( $server)
-------------------------------------------------------------
DESCRIPTION:
Reads available newsgroups from a news server

INPUT:$ socket Reference to the socket of the connection to the news server OUTPUT: A list of newsgroups on the news server *********************************************************************


  
  function get_nntp_groups( $server)
      {
      # Open socket connection to the mail server$ fp = fsockopen( $server,$ port="119",  $errno,$ errstr, 30);
      if (! $fp)
          {
          # If socket error, issue error$ return_array['ERROR'] = "ERROR:  $errstr ($ errno)";
          }
      else
          {
          # Else tell server to return a list of hosted newsgroups
           $out = "LIST\r\n";
          fputs($ fp,  $out);$ groups = read_nntp_buffer( $fp);$ groups_array = explode("\r\n",  $groups); // Convert to an array
          }
      fputs($ fp, "QUIT \r\n"); // Log out
      fclose( $fp); // Close socket
  
      return$ groups_array;
      }

********************************************************************* get_nntp_article_ids( $server,$ newsgroup) ------------------------------------------------------------- DESCRIPTION: Reads available article ids from a news server INPUT: $server Address of news server$ newsgroup Name of newsgroup OUTPUT: Returns available article ids for the newsgroup on the server *********************************************************************


  
  function get_nntp_article_ids( $server,$ newsgroup)
      {
      # Open socket connection to the mail server
       $socket = fsockopen($ server,  $port="119",$ errno,  $errstr, 30);
      if (!$ socket)
          {
          # If socket error, issue error
           $return_array['ERROR'] = "ERROR:$ errstr ( $errno)";
          }
      else
          {
          # Else tell server which group to connect to
          fputs($ socket, "GROUP ". $newsgroup." \r\n");$ return_array['GROUP_MESSAGE'] = trim(fread( $socket, 2000));
          # Get the range of available articles for this group
          fputs($ socket, "NEXT \r\n");
           $res = fread($ socket, 2000);
           $array = explode(" ",$ res);
           $return_array['RESPONSE_CODE'] =$ array[0];
           $return_array['EST_QTY_ARTICLES'] =$ array[1];
           $return_array['FIRST_ARTICLE'] =$ array[2];
           $return_array['LAST_ARTICLE'] =$ array[3];
          }
      fputs( $socket, "QUIT \r\n");
      fclose($ socket);
      return  $return_array;
      }$

********************************************************************* read_nntp_article(server, $newsgroup,$ article) ------------------------------------------------------------- DESCRIPTION: Reads article from a news server INPUT: $server Address of news server$ newsgroup Name of newsgroup $article_id ID of article to read

OUTPUT:
Returns the article specified by the article id
*********************************************************************$


  
  function read_nntp_article(server,  $newsgroup,$ article)
      {
      # Open socket connection to the mail server
       $socket = fsockopen($ server,  $port="119",$ errno,  $errstr, 30);
      if (!$ socket)
          {
          # If socket error, issue error
           $return_array['ERROR'] = "ERROR:$ errstr ( $errno)";
          }
      else
          {
          # Else tell server which group to connect to
          fputs($ socket, "GROUP ". $newsgroup." \r\n");
          # Request this article's HEAD
          fputs($ socket, "HEAD  $article \r\n");$ return_array['HEAD'] = read_nntp_buffer( $socket);
          # Request the article
          fputs($ socket, "BODY  $article \r\n");$ return_array['ARTICLE'] = read_nntp_buffer( $socket);
          }
      fputs($ socket, "QUIT \r\n");    // Sign out (newsgroup server)
      fclose( $socket);                // Close socket
      return$ return_array;           // Return data array
      }
  ?>

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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