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Commit 7a02ba30 authored by Rob Swindell's avatar Rob Swindell :speech_balloon:
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Updated for webv4 and fix off-by-one error reported by LaF0rge 

Make the scheme ("http://" or "https://") configurable via rss.ini, default is
now "https://".

Make the message link format somewhat configurable via rss.ini (hopefully to
support some other/future web message reading interface should there be one).

Reportedly, the MsgBase.get_msg_header/body() calls of the "total_msgs" offset
were logging errors? I was not able to reproduce this (the !hdr check seemed
to be successfully ignoring such cases), but in any case, message offsets are
0-based, so this was definitely an off-by-one issue, even if it was a silent
failure for everyone else. <shrug>
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// rss.ssjs
// Copy or symlink this file to your configured sbbs.ini [web] RootDirectory
// Tested successfully with SharpReader v0.9.5.1
load("sbbsdefs.js");
var REVISION = "1.3";
//log(LOG_INFO,"Synchronet RSS " + REVISION);
var ini_fname = file_cfgname(system.ctrl_dir, "rss.ini");
var ini_file = new File(ini_fname);
if(!ini_file.open("r")) {
log(LOG_ERR,format("!ERROR %d opening ini_file: %s"
,ini_file.error, ini_fname));
exit();
}
var channel_list = ini_file.iniGetAllObjects();
var defaults = ini_file.iniGetObject();
ini_file.close();
/* Set default max from the NetScapes original RSS 0.91 implementation
http://my.netscape.com/publish/formats/rss-spec-0.91.html#item */
if(defaults.maxmessages==undefined)
defaults.maxmessages=15;
if(defaults.maxdesclength==undefined)
defaults.maxdesclength=500;
var scheme = defaults.scheme || "https://";
var link_root = scheme + http_request.header.host + http_request.request_string;
var msg_link_fmt = defaults.msg_link_fmt || "/?page=001-forum.ssjs&sub=%s&thread=%s#%s";
var channel;
for(c in channel_list)
if(channel_list[c].name == http_request.query["channel"]) {
channel=channel_list[c];
break;
}
if(channel==undefined) {
writeln('<html>');
writeln('<body>');
writeln('<h1>' + system.name + " News (RSS) Channels" + '</h1>');
writeln('<ul>');
for(c in channel_list)
writeln('<li>'
+ channel_list[c].name.link(link_root + "?channel=" + channel_list[c].name));
writeln('</ul>');
writeln('</body>');
writeln('</html>');
exit();
}
var sub = msg_area.sub[channel.sub.toLowerCase()];
if(sub==undefined) {
writeln(log(LOG_ERR,"!unknown sub-board: " + channel.sub));
exit();
}
if(http_request.query["item"]) {
load("../web/lib/template.ssjs");
load("../web/lib/mime_decode.ssjs");
var msgbase=new MsgBase(channel.sub);
if(!msgbase.open())
writeln(log(LOG_ERR,'Error: ' + msgbase.error));
else {
template.hdr = msgbase.get_msg_header(false,Number(http_request.query["item"]));
if(!template.hdr)
writeln(log(LOG_ERR,'Error: ' + msgbase.error));
else
template.body= msgbase.get_msg_body(false, template.hdr.number);
}
msg=mime_decode(template.hdr,template.body);
template.body=msg.body;
if(msg.type=="plain") {
/* ANSI */
if(template.body.indexOf('\x1b[')>=0 || template.body.indexOf('\x01')>=0) {
template.body=html_encode(template.body,true,false,true,true);
}
/* Plain text */
else {
template.body=word_wrap(template.body);
template.body=html_encode(template.body,true,false,false,false);
}
}
if(msg.attachments!=undefined) {
template.attachments=new Object;
for(att in msg.attachments) {
template.attachments[att]=new Object;
template.attachments[att].name=msg.attachments[att];
}
}
write_template("header.inc");
write_template("msgs/msg.inc");
write_template("footer.inc");
if(0) {
writeln('<html>');
writeln('<body>');
var msgbase=new MsgBase(channel.sub);
if(!msgbase.open())
writeln(log(LOG_ERR,'Error: ' + msgbase.error));
else {
var hdr = msgbase.get_msg_header(false,Number(http_request.query["item"]));
if(!hdr)
writeln(log(LOG_ERR,'Error: ' + msgbase.error));
else {
for(h in hdr)
writeln(h + ": " + hdr[h] + '<br>');
}
}
writeln('</body>');
writeln('</html>');
}
exit();
}
/* Setup default values (over-rideable in rss.ini) */
if(channel.title==undefined) channel.title =sub.name;
if(channel.description==undefined) channel.description =sub.description;
if(channel.link==undefined) channel.link =link_root;
if(channel.language==undefined) channel.language ='en-us';
if(channel.image_url==undefined) channel.image_url ='/images/default/sync_pbgj1_white_bg.gif';
if(channel.image_title==undefined) channel.image_title =channel.title;
if(channel.image_link==undefined) channel.image_link =channel.link;
if(channel.maxmessages==undefined) channel.maxmessages =defaults.maxmessages;
if(channel.maxdesclength==undefined) channel.maxdesclength =defaults.maxdesclength;
http_reply.header["Content-Type"]='application/rss+xml';
writeln('<?xml version="1.0" ?>');
writeln('<!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN" "http://my.netscape.com/publish/formats/rss-0.91.dtd">');
writeln('<rss version="0.91">');
writeln('\t<channel>');
writeln('\t\t<title>' + channel.title + '</title>');
writeln('\t\t<description>' + channel.description + '</description>');
writeln('\t\t<link>' + channel.link + '</link>');
writeln('\t\t<language>' + channel.language + '</language>');
writeln('\t\t<image>');
writeln('\t\t\t<url>' + channel.image_url + '</url>');
writeln('\t\t\t<title>' + channel.image_title + '</title>');
writeln('\t\t\t<link>' + channel.image_link + '</link>');
writeln('\t\t</image>');
function encode(str, wspace)
{
return(html_encode(strip_ctrl(str.replace(/\s+/g," "))
,true /* ex-ASCII */
,wspace /* white-space */
,false /* ANSI */
,false /* Ctrl-A */
));
}
var msgbase=new MsgBase(channel.sub);
if(msgbase.open()) {
var last_msg;
var msgs=0;
if(last_msg = msgbase.get_msg_header(false, msgbase.last_msg)) {
writeln('\t\t<lastBuildDate>' + last_msg.date + '</lastBuildDate>');
}
var total_msgs = msgbase.total_msgs;
for(i=1;i<=total_msgs;i++) {
var hdr = msgbase.get_msg_header(true,total_msgs-i);
if(!hdr || hdr.attr&MSG_DELETE)
continue;
var body = msgbase.get_msg_body(true,total_msgs-i);
body=body.replace(/\r\n/g,'<br />');
if(!body)
continue;
writeln('\t\t\t<item>');
writeln('\t\t\t\t<pubDate>' + hdr.date + '</pubDate>');
writeln('\t\t\t\t<title>' + encode(hdr.subject) + '</title>');
writeln('\t\t\t\t<author>' + encode(hdr.from) + '</author>');
writeln('\t\t\t\t<guid>' + encode(hdr.id) + '</guid>');
writeln('\t\t\t\t<description>' + encode(body.slice(0,channel.maxdesclength)) + '</description>');
writeln('\t\t\t\t<link>' + scheme + http_request.header.host +
format(msg_link_fmt, channel.sub, hdr.thread_id, hdr.number) + '</link>');
writeln('\t\t\t</item>');
msgs++;
if(msgs>=channel.maxmessages)
break;
}
msgbase.close();
}
writeln('\t</channel>');
writeln('</rss>');
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