1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
# $Id: rss-show.rb,v 1.11 2005/09/26 13:35:05 fdiary Exp $
# Copyright (C) 2003 TAKEUCHI Hitoshi <hitoshi@namaraii.com>
require 'rss/1.0'
require 'rss/2.0'
def rss_show(url, cache_time = 1800, number = 5)
if rss = rss_get(url.untaint, cache_time)
items = RSS::Parser.parse(rss, false).items
rss_format_items(items[0...number])
else
''
end
end
def rss_get(url, cache_time)
Dir.mkdir("#{@cache_path}/rss-show") unless File.exist?("#{@cache_path}/rss-show")
cache_file = "#{@cache_path}/rss-show/#{url.escape}".untaint
begin
rss_recent_cache(url, cache_file, cache_time)
raise unless File.readable?(cache_file)
open(cache_file).read
rescue Exception
nil
end
end
def rss_recent_cache(url, cache_file, cache_time)
begin
raise if Time.now > File.mtime(cache_file) + cache_time
rescue
begin
require 'net/http'
port = 80
host = ''
path = ''
proxy_host = nil
proxy_port = nil
if /^([^:]+):(\d+)$/ =~ @options['rss.proxy'] then
proxy_host = $1
proxy_port = $2.to_i
end
if url =~ /(https?:\/\/)(.+?)(\/.*)/
host = $2
path = $3
end
Net::HTTP.Proxy( proxy_host, proxy_port ).start( host, port ) do |http|
response , = http.get(path)
rss_write_cache(cache_file, response.body)
end
rescue
nil
end
end
end
def rss_format_items(items)
html = "<ul>\n"
items.each do |i|
page = utf8_to_euc( i.title )
url = utf8_to_euc( i.link )
html << "<li>#{make_anchor(url.escapeHTML, page.unescapeHTML.escapeHTML)}</li>\n"
end
html << "</ul>\n"
end
def rss_write_cache(cache_file, rss)
File.open(cache_file, 'w') do |f|
f.flock(File::LOCK_EX)
f.puts rss
f.flock(File::LOCK_UN)
end
end
export_plugin_methods(:rss_show)
|
