From db7c85189178535b0173108ce385c2135b5345ee Mon Sep 17 00:00:00 2001
From: Retro_Guy <retro.guy@rocksolidbbs.com>
Date: Thu, 2 Dec 2021 04:02:31 +0000
Subject: [PATCH] Add RSS pull and post feature

---
 Rocksolid_Light/debian-install.sh             |  1 +
 Rocksolid_Light/freebsd-install.sh            |  1 +
 Rocksolid_Light/rocksolid/lib/post.inc.php    |  5 +-
 Rocksolid_Light/rocksolid/post.php            | 11 ++-
 Rocksolid_Light/rslight/scripts/cron.php      |  3 +
 Rocksolid_Light/rslight/scripts/rss-feeds.php | 93 +++++++++++++++++++
 Rocksolid_Light/spoolnews/lib                 |  1 +
 Rocksolid_Light/spoolnews/post.php            |  1 +
 8 files changed, 111 insertions(+), 5 deletions(-)
 create mode 100755 Rocksolid_Light/rslight/scripts/rss-feeds.php
 create mode 120000 Rocksolid_Light/spoolnews/lib
 create mode 120000 Rocksolid_Light/spoolnews/post.php

diff --git a/Rocksolid_Light/debian-install.sh b/Rocksolid_Light/debian-install.sh
index 540aed9..2748575 100755
--- a/Rocksolid_Light/debian-install.sh
+++ b/Rocksolid_Light/debian-install.sh
@@ -74,6 +74,7 @@ mkdir -p $spoolpath
 echo "done"
 echo -n "$configpath..."
 mkdir -p $configpath
+mkdir -p $configpath/rss
 mkdir -p $configpath/users
 mkdir -p $configpath/userconfig
 echo "done"
diff --git a/Rocksolid_Light/freebsd-install.sh b/Rocksolid_Light/freebsd-install.sh
index 99ca126..c40772f 100755
--- a/Rocksolid_Light/freebsd-install.sh
+++ b/Rocksolid_Light/freebsd-install.sh
@@ -73,6 +73,7 @@ mkdir -p $spoolpath
 echo "done"
 echo -n "$configpath..."
 mkdir -p $configpath
+mkdir -p $configpath/rss
 mkdir -p $configpath/users
 mkdir -p $configpath/userconfig
 echo "done"
diff --git a/Rocksolid_Light/rocksolid/lib/post.inc.php b/Rocksolid_Light/rocksolid/lib/post.inc.php
index 4a61f6c..9455716 100644
--- a/Rocksolid_Light/rocksolid/lib/post.inc.php
+++ b/Rocksolid_Light/rocksolid/lib/post.inc.php
@@ -194,7 +194,7 @@ function check_rate_limit($name,$set=0,$gettime=0) {
  * $ref: The references of the article
  * $body: The article itself
  */
-function message_post($subject,$from,$newsgroups,$ref,$body,$encryptthis,$encryptto,$authname) {
+function message_post($subject,$from,$newsgroups,$ref,$body,$encryptthis=null,$encryptto=null,$authname=null,$followupto=null) {
   global $server,$port,$send_poster_host,$text_error,$CONFIG;
   global $www_charset,$config_dir,$spooldir;
   global $msgid_generate,$msgid_fqdn;
@@ -259,6 +259,9 @@ function message_post($subject,$from,$newsgroups,$ref,$body,$encryptthis,$encryp
 	}
     } 
     fputs($ns,'From: '.$from."\r\n");
+    if($followupto !== null) {
+      fputs($ns,'Followup-To: '.$followupto."\r\n");
+    }
     fputs($ns,'Newsgroups: '.$newsgroups."\r\n");
 	$sitekey=password_hash($CONFIG['thissitekey'].$msgid, PASSWORD_DEFAULT);
     fputs($ns,'X-Rslight-Site: '.$sitekey."\r\n");
diff --git a/Rocksolid_Light/rocksolid/post.php b/Rocksolid_Light/rocksolid/post.php
index 687c859..f094704 100644
--- a/Rocksolid_Light/rocksolid/post.php
+++ b/Rocksolid_Light/rocksolid/post.php
@@ -260,7 +260,11 @@ if ($type=="post") {
        }
      }
 //     echo '<p><a href="'.$file_thread.'?group='.urlencode($returngroup[0]).'">'.$text_post["button_back"].'</a> '.$text_post["button_back2"].' '.group_display_name($returngroup[0]).'</p>';
-     echo '<p><a href="'.$_SESSION['return_page'].'">Back to Previous Page</a></p>';
+     if(isset($_REQUEST['returngroup']) && $_REQUEST['returngroup'] !== '') {
+       echo '<p><a href="'.$file_thread.'?group='.$_REQUEST['returngroup'].'">Your post will appear in '.group_display_name($_REQUEST['returngroup']).'</a></p>';
+     } else {
+       echo '<p><a href="'.$_SESSION['return_page'].'">Back to Previous Page</a></p>';
+     }
       } else {
         // article not accepted by the newsserver
         $type="retry";
@@ -342,7 +346,6 @@ if ($newsgroups == "") {
 } else {
   // show post form
   $fieldencrypt=md5(rand(1,10000000));
-
   echo '<h1 class="np_post_headline">'.$text_post["group_head"].group_display_name($newsgroups)
     .$text_post["group_tail"].'</h1>';
 
@@ -438,16 +441,16 @@ function quoten() {
   echo captcha::form($text_post["captchainfo1"],$text_post["captchainfo2"]);
   echo '</td></tr>';
 } ?>
+ 
   
-
 </table>
 </div>
 <input type="hidden" name="type" value="post">
 <input type="hidden" name="newsgroups" value="<?php echo htmlspecialchars($newsgroups); ?>">
 <input type="hidden" name="references" value="<?php echo htmlentities($references); ?>">
 <input type="hidden" name="group" value="<?php echo htmlspecialchars($newsgroups); ?>">
+<input type="hidden" name="returngroup" value="<?php echo htmlspecialchars($head->followup); ?>">
 <input type="hidden" name="fielddecrypt" value="<?php echo htmlspecialchars($fieldencrypt);?>">
 </form>
 
 <?php } } ?>
-
diff --git a/Rocksolid_Light/rslight/scripts/cron.php b/Rocksolid_Light/rslight/scripts/cron.php
index d668dfb..1d331a8 100755
--- a/Rocksolid_Light/rslight/scripts/cron.php
+++ b/Rocksolid_Light/rslight/scripts/cron.php
@@ -74,6 +74,9 @@ foreach($menulist as $menu) {
   exec($CONFIG['php_exec']." ".$config_dir."/scripts/expire.php");
   echo "Expired articles\n";
 }
+# Run RSS Feeds
+  exec($CONFIG['php_exec']." ".$config_dir."/scripts/rss-feeds.php");
+  echo "RSS Feeds updated\n";
 # Rotate log files
   log_rotate();
   echo "Log files rotated\n";
diff --git a/Rocksolid_Light/rslight/scripts/rss-feeds.php b/Rocksolid_Light/rslight/scripts/rss-feeds.php
new file mode 100755
index 0000000..65f2c28
--- /dev/null
+++ b/Rocksolid_Light/rslight/scripts/rss-feeds.php
@@ -0,0 +1,93 @@
+#!/usr/local/bin/php
+<?php
+   include "config.inc.php";
+   include "newsportal.php";
+
+   $rssdir = $config_dir.'/rss/';
+   $rssfiles = array();
+   if(isset($argv[1])) {
+     $rssfiles[0] = $argv[1];
+   } else {
+     $rssfiles = array_diff(scandir($rssdir), array('..', '.'));
+   }
+   foreach($rssfiles as $rssfile) {
+     if(!is_file($config_dir.'/rss/'.$rssfile)) {
+       continue;
+     }
+     $body = '';
+     unset($RSS);
+     $RSS = get_rss_config($config_dir.'/rss/'.$rssfile);
+     if($RSS['enable'] !== '1') {
+       continue;
+     }
+     if(filemtime($spooldir.'/'.$rssfile.'-rss-timer') + $RSS['timer'] > time()) {
+       if(!is_file($rssdir.'/debug')) {
+         continue;
+       } 
+     }
+     $xmlData = file_get_contents($RSS['url']);
+     $xml = simplexml_load_string($xmlData);
+     if($RSS['root'] != '') {
+       $xmlstart = $xml->{$RSS['root']};
+     } else {
+       $xmlstart = $xml;
+     }
+     foreach($xmlstart->{$RSS['item']} as $item)
+     {
+       if(trim($item->{$RSS['link']}) == '') {
+         $item->{$RSS['link']} = $item->{$RSS['link']}[href];
+       } else {
+         $item->{$RSS['link']} = $item->{$RSS['link']};
+       }
+       $body.=$item->{$RSS['title']}."\n";
+       if(isset($RSS['urlprefix']) && ($RSS['urlprefix'] !== '')) {
+         $url = $RSS['urlprefix'].$item->{$RSS['link']};
+       } else {
+         $url = $item->{$RSS['link']};
+       }
+       if(isset($RSS['urlprefixalt']) && ($RSS['urlprefixalt'] !== '')) {
+         $urlalt = $RSS['urlprefixalt'].$item->{$RSS['link']};
+       } else {
+         $urlalt = '';
+       }
+       if(substr($url,0,4) !== "http") {
+         $urlprefix = explode('/', $RSS['url']);
+         $url = $urlprefix[0].'/'.$urlprefix[1].'/'.$urlprefix[2].$item->{$RSS['link']};
+       } 
+       $body.=$url."\n";
+       if($urlalt !== '') {
+         $body.=$urlalt."\n";
+       }
+       if(isset($RSS['date_namespaceuri']) && ($RSS['date_namespaceuri'] !== '')) { 
+         $dc_date = $item->children($RSS['date_namespaceuri']);
+         $body.=date("F j, Y, g:i A", strtotime($dc_date));
+       } else {
+         $body.=date("F j, Y, g:i A", strtotime($item->{$RSS['date']}));
+       }
+       $body.="\n";
+       $body.=trim($item->{$RSS['content']});
+       $body.="\n--------------------\n";
+     }
+     if(strpos($RSS['postfrom'], '@') === false) {
+       $RSS['postfrom'] = $RSS['postfrom'].$CONFIG['email_tail'];
+     }
+     if(isset($RSS['followupto']) && ($RSS['followupto'] !== '')) {
+       $followupto = $RSS['followupto'];
+     } else {
+       $followupto = null;
+     }
+     $body = strip_tags($body);
+
+     if(is_file($rssdir.'/debug')) {
+       echo $body;
+     } else {
+       echo message_post($RSS['message_subject'], $RSS['postfrom'], $RSS['newsgroup'], null, $body, null, null, null, $followupto)."\n";
+       touch($spooldir.'/'.$rssfile.'-rss-timer');
+     }
+   }
+   
+   function get_rss_config($rssfile) {
+      $RSS = include($rssfile);
+      return($RSS);
+   }
+?>
diff --git a/Rocksolid_Light/spoolnews/lib b/Rocksolid_Light/spoolnews/lib
new file mode 120000
index 0000000..79e163b
--- /dev/null
+++ b/Rocksolid_Light/spoolnews/lib
@@ -0,0 +1 @@
+../rocksolid/lib
\ No newline at end of file
diff --git a/Rocksolid_Light/spoolnews/post.php b/Rocksolid_Light/spoolnews/post.php
new file mode 120000
index 0000000..60deb78
--- /dev/null
+++ b/Rocksolid_Light/spoolnews/post.php
@@ -0,0 +1 @@
+../rocksolid/post.php
\ No newline at end of file