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Newsgroup interface...
This commit is contained in:
Michael R Sweet
parent
0fd3bd7f33
commit
fbf6b8e8a7
835
www/newsgroups.php
Normal file
835
www/newsgroups.php
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@ -0,0 +1,835 @@
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<?php
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//
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// "$Id: newsgroups.php,v 1.1 2004/06/10 02:40:05 mike Exp $"
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//
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// Mini-XML newsgroup page...
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//
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include_once "phplib/html.php";
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include_once "phplib/common.php";
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// News server...
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$NNTPSERVER = "localhost";
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$NNTPPORT = 8119;
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//$NNTPSERVER = "news.easysw.com";
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//$NNTPPORT = 119;
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// Cookie stuff...
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if (array_key_exists("SEARCH", $_POST))
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{
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$search = $_POST["SEARCH"];
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setcookie("SEARCH", "$search", 0, "/");
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}
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else if (array_key_exists("SEARCH", $_COOKIE))
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$search = $_COOKIE["SEARCH"];
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else
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$search = "";
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if (array_key_exists("FROM", $_POST))
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{
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$from = $_POST["FROM"];
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setcookie("FROM", "$from", time() + 90 * 86400, "/");
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}
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else if ($LOGIN_EMAIL != "")
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{
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$from = $LOGIN_EMAIL;
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setcookie("FROM", "$from", time() + 90 * 86400, "/");
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}
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else if (array_key_exists("FROM", $_COOKIE))
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$from = $_COOKIE["FROM"];
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else
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$from = "Anonymous <anonymous@easysw.com>";
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if ($from == "" || $from == "Anonymous")
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$from = "Anonymous <anonymous@easysw.com>";
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//
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// 'nntp_close()' - Close a news server thing...
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//
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function
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nntp_close($stream) // I - Socket stream
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{
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nntp_command($stream, "QUIT", 205);
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fclose($stream);
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}
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//
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// 'nntp_command()' - Send a command and get the response...
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//
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function // O - NNTP response
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nntp_command($stream, // I - Socket stream
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$command = "QUIT", // I - NNTP command
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$expect = 200) // I - Expected status
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{
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// print("<p>nntp_command(stream=$stream, command='$command', expect=$expect)</p>\n");
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fwrite($stream, "$command\r\n");
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$status = fgets($stream, 1024);
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// print("<p>status='$status'</p>\n");
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if ((int)$status != $expect)
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{
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print("<p><b>Error:</b> $status</p>\n");
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return (NULL);
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}
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else
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return ($status);
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}
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//
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// 'nntp_connect()' - Connect to the news server.
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//
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function // O - Socket stream
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nntp_connect()
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{
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global $NNTPSERVER, $NNTPPORT;
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$stream = fsockopen($NNTPSERVER, $NNTPPORT, &$errno, &$errstr);
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if ($stream)
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{
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if ($line = fgets($stream, 1024))
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{
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if ((int)$line != 200)
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{
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print("<p><b>Error:</b> $line</p>\n");
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fclose($stream);
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return (FALSE);
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}
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}
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else
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{
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print("<p><b>Error:</b> No response from NNTP server!</p>\n");
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fclose($stream);
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return (FALSE);
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}
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}
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else
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print("<p><b>Error:</b> $errstr ($errno)</p>\n");
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return ($stream);
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}
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//
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// 'nntp_search()' - Do a header search...
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//
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function // O - Matching message headers...
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nntp_search($stream, // I - Socket stream
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$group, // I - NNTP group
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$search) // I - Search text
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{
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// print("<p>nntp_search(stream=$stream, group='$group', search='$search'</p>\n");
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$status = nntp_command($stream, "GROUP $group", 211);
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if (!$status)
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return (NULL);
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$fields = explode(" ", $status);
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$status = nntp_command($stream, "XOVER $fields[2]-$fields[3]", 224);
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if (!$status)
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return (NULL);
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$words = explode(" ", $search);
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$num_matches = 0;
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$matches = NULL;
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while ($line = fgets($stream, 1024))
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{
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$line = rtrim($line);
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if ($line == ".")
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break;
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if ($search == "")
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{
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// Return all matches...
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$matches[$num_matches] = $line;
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$num_matches ++;
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}
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else
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{
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// Search for words...
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reset($words);
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while (list($key, $word) = each($words))
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{
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if (stristr($line, $word))
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{
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$matches[$num_matches] = $line;
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$num_matches ++;
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break;
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}
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}
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}
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}
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// print("<p>num_matches=$num_matches</p>\n");
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return ($matches);
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}
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//
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// 'show_prevnext_page()' - Show the prev/next links for the messages list...
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//
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function
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show_prevnext_page($group, // I - Group
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$group_filter, // I - Group filter
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$start, // I - Start message
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$end, // I - End message
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$count) // I - Number of messages
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{
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global $PHP_SELF, $PAGE_MAX;
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print("<p><table width='100%' border='0' cellpadding='0' cellspacing='0'>\n"
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."<tr><td width='25%'>");
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if ($start > 1)
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{
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$i = $start - $PAGE_MAX;
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if ($i < 1)
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$i = 1;
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$j = $i + $PAGE_MAX - 1;
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if ($j > $count)
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$j = $count;
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html_start_links();
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html_link("Show Messages $i - $j", "$PHP_SELF?s$i+g$group+G$group_filter");
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html_end_links();
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}
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print("</td><td align='center' width='50%'>");
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html_start_links();
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html_link("All Groups", "$PHP_SELF?G$group_filter");
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if (!ereg(".*\.announce", $group) && !ereg(".*\.cvs", $group))
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html_link("New Message", "$PHP_SELF?s$i+g$group+G$group_filter+n");
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html_end_links();
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print("</td><td align='right' width='25%'>");
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if ($end < $count)
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{
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$i = $start + $PAGE_MAX;
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$j = $i + $PAGE_MAX - 1;
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if ($j > $count)
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$j = $count;
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html_start_links();
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html_link("Show Messages $i - $j", "$PHP_SELF?s$i+g$group+G$group_filter");
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}
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print("</td></tr>\n"
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."</table></p>\n");
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}
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//
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// 'show_messages()' - Show messages in the named group...
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//
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function
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show_messages($group, // I - Group
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$group_filter, // I - Group filter
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$start, // I - Start message
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$search) // I - Search string
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{
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global $PHP_SELF, $PAGE_MAX;
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// Figure out which messages to show...
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$error = "";
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$stream = nntp_connect();
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$matches = nntp_search($stream, $group, $search);
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$count = count($matches);
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nntp_close($stream);
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if (!$matches)
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{
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$count = 0;
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$error = "No matches found for '" .
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htmlspecialchars($search, ENT_QUOTES) . "'...";
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}
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if ($start == 0)
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$start = $count - 9;
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if ($start > ($count - $PAGE_MAX + 1))
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$start = $count - $PAGE_MAX + 1;
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if ($start < 1)
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$start = 1;
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$end = $start + $PAGE_MAX - 1;
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if ($end > $count)
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$end = $count;
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// Show the standard header...
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html_header("$group ($start - $end of $count)");
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$temp = htmlspecialchars($search, ENT_QUOTES);
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print("<form method='post' action='$PHP_SELF?g$group+G$group_filter'>\n"
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."<p align='center'><input type='text' name='SEARCH' value='$temp' "
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."size='60'/><input type='submit' value='Search $group'/></p>\n"
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."</form>\n");
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if ($error != "")
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print("<p align='center'><i>$error</i></p>\n");
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show_prevnext_page($group, $group_filter, $start, $end, $count);
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html_start_table(array("Subject", "Author", "Date"));
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for ($i = $start; $i <= $end; $i ++)
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{
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$fields = explode("\t", $matches[$i - 1]);
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$msg = (int)$fields[0];
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$subject = htmlspecialchars($fields[1], ENT_QUOTES);
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$author = sanitize_email($fields[2]);
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$date = htmlspecialchars($fields[3], ENT_QUOTES);
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html_start_row();
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print("<td><a href='$PHP_SELF?s$start+g$group+G$group_filter+v$i'>"
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."$subject</a></td>"
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."<td align='center'>$author</td>"
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."<td align='right'>$date</td>");
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html_end_row();
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}
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html_end_table();
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show_prevnext_page($group, $group_filter, $start, $end, $count);
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html_footer();
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}
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//
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// 'show_groups()' - Show groups...
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//
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function
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show_groups($group_filter, // I - Group filter
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$search) // I - Search string
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{
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global $PHP_SELF;
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html_header("Newsgroups");
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// Figure out which messages to show...
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$stream = nntp_connect();
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// Search stuff...
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print("<form method='post' action='$PHP_SELF?G$group_filter'>\n"
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."<p align='center'><input type='text' name='SEARCH' value='$search' "
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."size='60'/><input type='submit' value='Search All Groups'/></p>\n"
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."</form>\n");
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// Show the standard header...
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html_start_table(array("Group", "Messages", ""));
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$status = nntp_command($stream, "LIST", 215);
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$num_groups = 0;
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$groups = array();
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if ($status)
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{
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while ($line = fgets($stream, 1024))
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{
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$line = rtrim($line);
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if ($line == ".")
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break;
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$fields = explode(" ", $line);
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$groups[$num_groups] = $fields[0];
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$num_groups ++;
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}
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}
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sort($groups);
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while (list($key, $group) = each($groups))
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{
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if (ereg("(linuxprinting|private)\\..*", $group))
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continue;
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if ($group_filter && !ereg("${group_filter}\\.*", $group))
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continue;
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$status = nntp_command($stream, "GROUP $group", 211);
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if (!$status)
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continue;
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$fields = explode(" ", $status);
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$total = (int)$fields[1];
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if ($search != "")
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{
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$matches = nntp_search($stream, $group, $search);
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$count = count($matches);
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}
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else
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$count = $total;
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html_start_row();
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print("<td align='center'>$group</td>"
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."<td align='center'>$count");
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if ($search != "")
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print("/$total");
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print("</td><td>");
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html_start_links();
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html_link("View", "$PHP_SELF?g$group+G$group_filter");
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if (!ereg(".*\.announce", $group) && !ereg(".*\.cvs", $group))
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html_link("New Message", "$PHP_SELF?g$group+G$group_filter+n");
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html_end_links();
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print("</td>");
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html_end_row();
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}
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html_start_row("header");
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print("<th colspan='3'>Newsgroups and Mailing Lists</th>");
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html_end_row();
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html_start_row();
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print("<td colspan='3'>"
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."<p>Point your news reader at <a href='news://news.easysw.com'>"
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."news.easysw.com</a> to view these groups directly.</p>\n"
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."<p>Go to <a href='http://lists.easysw.com/mailman/listinfo'>"
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."http://lists.easysw.com/mailman/listinfo</a> "
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."to subscribe to or unsubcribe from the mailing lists that mirror "
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."these groups.</p>"
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."</td>");
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html_end_row();
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html_end_table();
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nntp_close($stream);
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html_footer();
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}
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//
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// 'show_prevnext_msg()' - Show the prev/next links for the messages list...
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//
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function
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show_prevnext_msg($group, // I - Group
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$group_filter, // I - Group filter
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$start, // I - Start message
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$count, // I - Number of messages
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$msg) // I - Current message
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{
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global $PHP_SELF;
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print("<p><table width='100%' border='0' cellpadding='0' cellspacing='0'>\n"
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."<tr><td width='25%'>");
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if ($msg > 1)
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{
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$i = $msg - 1;
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html_start_links();
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html_link("Previous Message", "$PHP_SELF?s$start+g$group+G$group_filter+v$i");
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html_end_links();
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}
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print("</td><td align='center' width='50%'>");
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html_start_links();
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html_link("All Groups", "$PHP_SELF?G$group_filter");
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html_link("Back to $group", "$PHP_SELF?s$msg+g$group+G$group_filter");
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if (!ereg(".*\.announce", $group) && !ereg(".*\.cvs", $group))
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{
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html_link("Reply", "$PHP_SELF?s$start+g$group+G$group_filter+r$msg");
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html_link("New Message", "$PHP_SELF?s$i+g$group+G$group_filter+n");
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}
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html_end_links();
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print("</td><td align='right' width='25%'>");
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if ($msg < $count)
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{
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$i = $msg + 1;
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html_start_links();
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html_link("Next Message", "$PHP_SELF?s$start+g$group+G$group_filter+v$i");
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html_end_links();
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}
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print("</td></tr>\n"
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."</table></p>\n");
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}
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|
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//
|
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// 'show_message()' - Show a single message...
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//
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function
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show_message($group, // I - Group
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$group_filter, // I - Group filter
|
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$start, // I - Start message
|
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$msg, // I - Current message
|
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$search) // I - Search string
|
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{
|
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global $PHP_SELF;
|
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|
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// Figure out which messages to show...
|
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$stream = nntp_connect();
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$matches = nntp_search($stream, $group, $search);
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$count = count($matches);
|
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if ($msg < 1 || $msg > $count)
|
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{
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nntp_close($stream);
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return;
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}
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$fields = explode("\t", $matches[$msg - 1]);
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$msgnum = (int)$fields[0];
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$subject = str_replace(":", ":", htmlspecialchars($fields[1], ENT_QUOTES));
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$author = str_replace(":", ":", sanitize_email($fields[2]));
|
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$date = str_replace(":", ":", htmlspecialchars($fields[3], ENT_QUOTES));
|
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$status = nntp_command($stream, "BODY $msgnum", 222);
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if (!$status)
|
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{
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nntp_close($stream);
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return;
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}
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||||
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$body = "";
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||||
while ($line = fgets($stream, 1024))
|
||||
{
|
||||
$line = rtrim($line);
|
||||
|
||||
if ($line == ".")
|
||||
break;
|
||||
|
||||
$body = $body . $line . "\n";
|
||||
}
|
||||
|
||||
nntp_close($stream);
|
||||
|
||||
$body = quote_text($body);
|
||||
|
||||
html_header("$subject");
|
||||
|
||||
show_prevnext_msg($group, $group_filter, $start, $count, $msg);
|
||||
|
||||
html_start_table(array($subject, $author, $date));
|
||||
html_start_row();
|
||||
print("<td colspan='3'><tt>$body</tt></td>");
|
||||
html_end_row();
|
||||
html_end_table();
|
||||
|
||||
show_prevnext_msg($group, $group_filter, $start, $count, $msg);
|
||||
|
||||
html_footer();
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// 'post_message()' - Post a message...
|
||||
//
|
||||
|
||||
function
|
||||
post_message($group, // I - Group
|
||||
$group_filter, // I - Group filter
|
||||
$start, // I - Start message
|
||||
$msg, // I - Current message
|
||||
$search) // I - Search string
|
||||
{
|
||||
global $PHP_SELF, $_POST;
|
||||
|
||||
|
||||
if (array_key_exists("FROM", $_POST))
|
||||
$from = $_POST["FROM"];
|
||||
else
|
||||
$from = "";
|
||||
|
||||
if (array_key_exists("SUBJECT", $_POST))
|
||||
$subject = $_POST["SUBJECT"];
|
||||
else
|
||||
$subject = "";
|
||||
|
||||
if (array_key_exists("BODY", $_POST))
|
||||
$body = $_POST["BODY"];
|
||||
else
|
||||
$body = "";
|
||||
|
||||
if (!validate_email($from) || $subject == "" || $body == "")
|
||||
{
|
||||
new_message($group, $group_filter, $start, $from, $subject, $body);
|
||||
return;
|
||||
}
|
||||
|
||||
$stream = nntp_connect();
|
||||
if (!$stream)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
$id = "";
|
||||
|
||||
if ($msg > 0)
|
||||
{
|
||||
$matches = nntp_search($stream, $group, $search);
|
||||
$count = count($matches);
|
||||
|
||||
if ($msg <= $count)
|
||||
{
|
||||
$fields = explode("\t", $matches[$msg - 1]);
|
||||
$id = $fields[4];
|
||||
}
|
||||
}
|
||||
|
||||
$status = nntp_command($stream, "POST", 340);
|
||||
|
||||
if (!$status)
|
||||
{
|
||||
nntp_close($stream);
|
||||
return;
|
||||
}
|
||||
|
||||
fwrite($stream, "From: $from\r\n");
|
||||
fwrite($stream, "Subject: $subject\r\n");
|
||||
fwrite($stream, "Newsgroups: $group\r\n");
|
||||
|
||||
if ($id != "")
|
||||
fwrite($stream, "In-Reply-To: $id\r\n");
|
||||
|
||||
fwrite($stream, "\r\n");
|
||||
|
||||
$lines = explode("\n", $body);
|
||||
$count = count($lines);
|
||||
|
||||
for ($i = 0; $i < $count; $i ++)
|
||||
{
|
||||
$line = rtrim($lines[$i]);
|
||||
|
||||
if ($line == ".")
|
||||
fwrite($stream, ". \r\n");
|
||||
else
|
||||
fwrite($stream, "$line\r\n");
|
||||
}
|
||||
|
||||
$status = nntp_command($stream, ".", 240);
|
||||
|
||||
if ($status)
|
||||
{
|
||||
if ($msg == 0)
|
||||
header("Location: $PHP_SELF?s$start+g$group+G$group_filter");
|
||||
else
|
||||
header("Location: $PHP_SELF?s$start+g$group+G$group_filter+v$msg");
|
||||
}
|
||||
|
||||
nntp_close($stream);
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// 'reply_message()' - Reply to a message...
|
||||
//
|
||||
|
||||
function
|
||||
reply_message($group, // I - Group to reply to
|
||||
$group_filter, // I - Group filter
|
||||
$start, // I - First message in the display
|
||||
$msg, // I - Message to reply to
|
||||
$search, // I - Search string
|
||||
$sender) // I - Sender address
|
||||
{
|
||||
global $PHP_SELF;
|
||||
|
||||
|
||||
// Figure out which messages to show...
|
||||
$stream = nntp_connect();
|
||||
$matches = nntp_search($stream, $group, $search);
|
||||
$count = count($matches);
|
||||
|
||||
if ($msg < 1 || $msg > $count)
|
||||
{
|
||||
nntp_close($stream);
|
||||
return;
|
||||
}
|
||||
|
||||
$fields = explode("\t", $matches[$msg - 1]);
|
||||
$msgnum = (int)$fields[0];
|
||||
$subject = htmlspecialchars($fields[1], ENT_QUOTES);
|
||||
$author = sanitize_email($fields[2]);
|
||||
$date = htmlspecialchars($fields[3], ENT_QUOTES);
|
||||
|
||||
if (strncasecmp($subject, "re:", 3))
|
||||
$subject = "Re: " . $subject;
|
||||
|
||||
$status = nntp_command($stream, "BODY $msgnum", 222);
|
||||
if (!$status)
|
||||
{
|
||||
nntp_close($stream);
|
||||
return;
|
||||
}
|
||||
|
||||
$body = "";
|
||||
while ($line = fgets($stream, 1024))
|
||||
{
|
||||
$line = rtrim($line);
|
||||
|
||||
if ($line == ".")
|
||||
break;
|
||||
|
||||
$body = $body . "> " . $line . "\n";
|
||||
}
|
||||
|
||||
nntp_close($stream);
|
||||
|
||||
new_message($group, $group_filter, $start, $subject, $sender, $body);
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// 'new_message()' - Post a new message...
|
||||
//
|
||||
|
||||
function
|
||||
new_message($group, // I - Group to post to
|
||||
$group_filter, // I - Group filter
|
||||
$start, // I - First message
|
||||
$subject, // I - Subject of message
|
||||
$sender, // I - Sender address
|
||||
$body) // I - Message body
|
||||
{
|
||||
global $PHP_SELF, $NNTPSPEC;
|
||||
|
||||
|
||||
$subject = htmlspecialchars($subject, ENT_QUOTES);
|
||||
$sender = htmlspecialchars($sender, ENT_QUOTES);
|
||||
$body = htmlspecialchars($body, ENT_QUOTES);
|
||||
|
||||
html_header("Post Message to $group");
|
||||
|
||||
html_start_links(1);
|
||||
html_link("All Groups", "$PHP_SELF?G$group_filter");
|
||||
html_link("Back to $group", "$PHP_SELF?s$start+g$group+G$group_filter");
|
||||
html_end_links(1);
|
||||
|
||||
print("<h2>Post Message to $group</h2>");
|
||||
|
||||
print("<form action='$PHP_SELF?s$start+g$group+G$group_filter+p0' method='POST'>\n");
|
||||
|
||||
print("<center><table width='100%' border='0' cellpadding='5' cellspacing='0'>\n");
|
||||
print("<tr><th align='right' valign='top'>Subject:</th>"
|
||||
."<td><input type='text' name='SUBJECT' value='$subject' size='40'/></td></tr>\n");
|
||||
|
||||
print("<tr><th align='right' valign='top'>From:</th>"
|
||||
."<td><input type='text' name='FROM' value='$sender' size='40'/></td></tr>\n");
|
||||
|
||||
print("<tr><th align='right' valign='top'>Body:</th>"
|
||||
."<td><textarea name='BODY' cols='72' rows='24'>$body</textarea></td></tr>\n");
|
||||
|
||||
print("<tr><th></th>"
|
||||
."<td><input type='submit' value='Post Message'/></td></tr>\n");
|
||||
print("</table></center>\n");
|
||||
|
||||
print("</form>\n");
|
||||
|
||||
html_footer();
|
||||
}
|
||||
|
||||
|
||||
// Parse command-line options...
|
||||
$start = 0;
|
||||
$group = "";
|
||||
$op = 'l';
|
||||
$msg = "";
|
||||
|
||||
for ($i = 0; $i < $argc; $i ++)
|
||||
{
|
||||
switch ($argv[$i][0])
|
||||
{
|
||||
case 'g' :
|
||||
$group = substr($argv[$i], 1);
|
||||
break;
|
||||
|
||||
case 'G' :
|
||||
$groups = substr($argv[$i], 1);
|
||||
break;
|
||||
|
||||
case 'n' :
|
||||
case 'p' :
|
||||
case 'r' :
|
||||
case 'v' :
|
||||
$op = $argv[$i][0];
|
||||
$msg = (int)substr($argv[$i], 1);
|
||||
break;
|
||||
|
||||
case 's' :
|
||||
$start = (int)substr($argv[$i], 1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Now handle the request...
|
||||
switch ($op)
|
||||
{
|
||||
case 'l' : // List
|
||||
if ($group)
|
||||
show_messages($group, $PROJECT_MODULE, $start, $search);
|
||||
else
|
||||
show_groups($PROJECT_MODULE, $search);
|
||||
break;
|
||||
|
||||
case 'n' : // New message
|
||||
new_message($group, $PROJECT_MODULE, $start, "", $from, "");
|
||||
break;
|
||||
|
||||
case 'p' : // Post message
|
||||
if (ereg(".*\.announce", $group) || ereg(".*\.cvs", $group))
|
||||
{
|
||||
html_header("Newsgroup Posting Error");
|
||||
|
||||
print("<p>We are sorry, but we could not post your message for the "
|
||||
."following reason:\n"
|
||||
."<blockquote>Group $group is read-only.</blockquote>\n");
|
||||
|
||||
html_footer();
|
||||
|
||||
}
|
||||
else
|
||||
post_message($group, $PROJECT_MODULE, $start, $msg, $search);
|
||||
break;
|
||||
|
||||
case 'r' : // Reply message
|
||||
reply_message($group, $PROJECT_MODULE, $start, $msg, $search, $from);
|
||||
break;
|
||||
|
||||
case 'v' : // View message
|
||||
show_message($group, $PROJECT_MODULE, $start, $msg, $search);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// End of "$Id: newsgroups.php,v 1.1 2004/06/10 02:40:05 mike Exp $".
|
||||
//
|
||||
?>
|
||||
@ -1,6 +1,6 @@
|
||||
<?php
|
||||
//
|
||||
// "$Id: html.php,v 1.12 2004/05/20 15:45:55 mike Exp $"
|
||||
// "$Id: html.php,v 1.13 2004/06/10 02:40:05 mike Exp $"
|
||||
//
|
||||
// PHP functions for standardized HTML output...
|
||||
//
|
||||
@ -114,6 +114,7 @@ html_header($title = "", // I - Additional document title
|
||||
."<a href='${path}documentation.php'>Documentation</a> | "
|
||||
."<a href='${path}software.php'>Download</a> | "
|
||||
."<a href='${path}links.php'>Links</a> | "
|
||||
."<a href='${path}newsgroups.php'>Newsgroups</a> | "
|
||||
."<a href='${path}poll.php'>Polls</a> | "
|
||||
."<a href='${path}str.php'>Support</a> ]</td>"
|
||||
."<td align='right'>[ ");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user