mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
* sample/rss/tdiary_plugin/rss-recent.rb: added more information.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6474 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kou
parent
960d79099f
commit
d9f9245ad3
2 changed files with 136 additions and 39 deletions
|
|
@ -1,3 +1,7 @@
|
|||
Sat Jun 19 01:10:12 2004 Kouhei Sutou <kou@cozmixng.org>
|
||||
|
||||
* sample/rss/tdiary_plugin/rss-recent.rb: added more information.
|
||||
|
||||
Fri Jun 18 23:12:22 2004 Nobuyoshi Nakada <nobu@ruby-lang.org>
|
||||
|
||||
* eval.c (proc_save_safe_level, rb_set_safe_level, safe_setter): limit
|
||||
|
|
|
|||
|
|
@ -7,20 +7,20 @@
|
|||
# cache_time: cache time(second) of RSS(60*60)
|
||||
#
|
||||
#
|
||||
# Copyright (c) 2003 Kouhei Sutou <kou@cozmixng.org>
|
||||
# Copyright (c) 2003-2004 Kouhei Sutou <kou@cozmixng.org>
|
||||
# Distributed under the GPL
|
||||
#
|
||||
|
||||
require "rss/rss"
|
||||
|
||||
RSS_RECENT_FIELD_SEPARATOR = "\0"
|
||||
RSS_RECENT_VERSION = "0.0.2"
|
||||
RSS_RECENT_CONTENT_TYPE = {
|
||||
RSS_RECENT_ENTRY_SEPARATOR = "\1"
|
||||
RSS_RECENT_VERSION = "0.0.4"
|
||||
RSS_RECENT_HTTP_HEADER = {
|
||||
"User-Agent" => "tDiary RSS recent plugin version #{RSS_RECENT_VERSION}. " <<
|
||||
"Using RSS parser version is #{::RSS::VERSION}."
|
||||
"Using RSS parser version is #{::RSS::VERSION}.",
|
||||
}
|
||||
|
||||
|
||||
def rss_recent(url, max=5, cache_time=3600)
|
||||
cache_file = "#{@cache_path}/rss-recent.#{CGI.escape(url)}"
|
||||
|
||||
|
|
@ -29,20 +29,26 @@ def rss_recent(url, max=5, cache_time=3600)
|
|||
return '' unless test(?r, cache_file)
|
||||
|
||||
rv = "<ul>\n"
|
||||
File.open(cache_file) do |f|
|
||||
max.to_i.times do
|
||||
title = f.gets(RSS_RECENT_FIELD_SEPARATOR)
|
||||
break if title.nil?
|
||||
rv << '<li>'
|
||||
link = f.gets(RSS_RECENT_FIELD_SEPARATOR)
|
||||
unless link.nil?
|
||||
rv << %Q!<a href="#{CGI.escapeHTML(link.chomp(RSS_RECENT_FIELD_SEPARATOR))}">!
|
||||
end
|
||||
rv << CGI::escapeHTML(title.chomp(RSS_RECENT_FIELD_SEPARATOR))
|
||||
rv << '</a>' unless link.nil?
|
||||
rv << "</li>\n"
|
||||
end
|
||||
|
||||
i = 0
|
||||
rss_recent_read_from_cache(cache_file).each do |title, url, time|
|
||||
break if i >= max
|
||||
next if title.nil?
|
||||
rv << '<li>'
|
||||
rv << %Q[<span class="#{rss_recent_modified_class(time)}">]
|
||||
unless url.nil?
|
||||
rv << %Q[<a href="#{CGI.escapeHTML(url)}" title="#{CGI.escapeHTML(title)}]
|
||||
rv << %Q[ (#{CGI.escapeHTML(time.localtime.to_s)})] unless time.nil?
|
||||
rv << %Q[">]
|
||||
end
|
||||
rv << CGI::escapeHTML(title)
|
||||
rv << '</a>' unless url.nil?
|
||||
rv << "(#{rss_recent_modified(time)})"
|
||||
rv << %Q[</span>]
|
||||
rv << "</li>\n"
|
||||
i += 1
|
||||
end
|
||||
|
||||
rv << "</ul>\n"
|
||||
|
||||
rv
|
||||
|
|
@ -52,21 +58,27 @@ class InvalidResourceError < StandardError; end
|
|||
|
||||
def rss_recent_cache_rss(url, cache_file, cache_time)
|
||||
|
||||
begin
|
||||
raise if Time.now > File.mtime(cache_file) + cache_time
|
||||
rescue
|
||||
cached_time = nil
|
||||
cached_time = File.mtime(cache_file) if File.exist?(cache_file)
|
||||
|
||||
if cached_time.nil? or Time.now > cached_time + cache_time
|
||||
require 'time'
|
||||
require 'open-uri'
|
||||
require 'net/http'
|
||||
require 'uri/generic'
|
||||
require 'rss/parser'
|
||||
require 'rss/1.0'
|
||||
require 'rss/2.0'
|
||||
require 'rss/dublincore'
|
||||
|
||||
begin
|
||||
ur = URI.parse(url)
|
||||
uri = URI.parse(url)
|
||||
|
||||
raise URI::InvalidURIError if ur.scheme != "http"
|
||||
raise URI::InvalidURIError if uri.scheme != "http"
|
||||
|
||||
rss_source = rss_recent_fetch_rss(ur)
|
||||
rss_source = rss_recent_fetch_rss(uri, cached_time)
|
||||
|
||||
raise InvalidResourceError if rss_source.nil?
|
||||
|
||||
# parse RSS
|
||||
rss = ::RSS::Parser.parse(rss_source, false)
|
||||
|
|
@ -78,8 +90,11 @@ def rss_recent_cache_rss(url, cache_file, cache_time)
|
|||
rescue ::RSS::UnknownConversionMethodError
|
||||
end
|
||||
|
||||
tlary = rss.items.collect{|item| [item.title, item.link]}
|
||||
rss_recent_write_to_cache(cache_file, tlary)
|
||||
rss_infos = rss.items.collect do |item|
|
||||
rss_recent_pubDate_to_dc_date(item)
|
||||
[item.title, item.link, item.dc_date]
|
||||
end
|
||||
rss_recent_write_to_cache(cache_file, rss_infos)
|
||||
|
||||
rescue URI::InvalidURIError
|
||||
rss_recent_write_to_cache(cache_file, [['Invalid URI', url]])
|
||||
|
|
@ -90,29 +105,107 @@ def rss_recent_cache_rss(url, cache_file, cache_time)
|
|||
|
||||
end
|
||||
|
||||
def rss_recent_fetch_rss(uri)
|
||||
rss = ''
|
||||
def rss_recent_fetch_rss(uri, cache_time)
|
||||
rss = nil
|
||||
begin
|
||||
Net::HTTP.start(uri.host, uri.port || 80) do |http|
|
||||
path = uri.path
|
||||
path << "?#{uri.query}" if uri.query
|
||||
req = http.request_get(path)
|
||||
raise InvalidResourceError unless req.code == "200"
|
||||
rss << req.body
|
||||
uri.open(rss_recent_http_header(cache_time)) do |f|
|
||||
case f.status.first
|
||||
when "200"
|
||||
rss = f.read
|
||||
# STDERR.puts "Got RSS of #{uri}"
|
||||
when "304"
|
||||
# not modified
|
||||
# STDERR.puts "#{uri} does not modified"
|
||||
else
|
||||
raise InvalidResourceError
|
||||
end
|
||||
end
|
||||
rescue TimeoutError, SocketError
|
||||
rescue TimeoutError, SocketError, StandardError,
|
||||
SecurityError # occured in redirect
|
||||
raise InvalidResourceError
|
||||
end
|
||||
rss
|
||||
end
|
||||
|
||||
def rss_recent_write_to_cache(cache_file, array_of_titles_and_links)
|
||||
def rss_recent_http_header(cache_time)
|
||||
header = RSS_RECENT_HTTP_HEADER.dup
|
||||
if cache_time.respond_to?(:rfc2822)
|
||||
header["If-Modified-Since"] = cache_time.rfc2822
|
||||
end
|
||||
header
|
||||
end
|
||||
|
||||
def rss_recent_write_to_cache(cache_file, rss_infos)
|
||||
File.open(cache_file, 'w') do |f|
|
||||
f.flock(File::LOCK_EX)
|
||||
array_of_titles_and_links.each do |title, link|
|
||||
f << "#{title}#{RSS_RECENT_FIELD_SEPARATOR}"
|
||||
f << "#{link}#{RSS_RECENT_FIELD_SEPARATOR}"
|
||||
rss_infos.each do |info|
|
||||
f << info.join(RSS_RECENT_FIELD_SEPARATOR)
|
||||
f << RSS_RECENT_ENTRY_SEPARATOR
|
||||
end
|
||||
f.flock(File::LOCK_UN)
|
||||
end
|
||||
end
|
||||
|
||||
def rss_recent_read_from_cache(cache_file)
|
||||
require 'time'
|
||||
infos = []
|
||||
File.open(cache_file) do |f|
|
||||
while info = f.gets(RSS_RECENT_ENTRY_SEPARATOR)
|
||||
info = info.chomp(RSS_RECENT_ENTRY_SEPARATOR)
|
||||
infos << info.split(RSS_RECENT_FIELD_SEPARATOR)
|
||||
end
|
||||
end
|
||||
infos.collect do |title, url, time|
|
||||
[
|
||||
rss_recent_convert(title),
|
||||
rss_recent_convert(url),
|
||||
rss_recent_convert(time) {|time| Time.parse(time)},
|
||||
]
|
||||
end
|
||||
end
|
||||
|
||||
def rss_recent_convert(str)
|
||||
if str.nil? or str.empty?
|
||||
nil
|
||||
else
|
||||
if block_given?
|
||||
yield str
|
||||
else
|
||||
str
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
# from RWiki
|
||||
def rss_recent_modified(t)
|
||||
return '-' unless t
|
||||
dif = (Time.now - t).to_i
|
||||
dif = dif / 60
|
||||
return "#{dif}m" if dif <= 60
|
||||
dif = dif / 60
|
||||
return "#{dif}h" if dif <= 24
|
||||
dif = dif / 24
|
||||
return "#{dif}d"
|
||||
end
|
||||
|
||||
# from RWiki
|
||||
def rss_recent_modified_class(t)
|
||||
return 'dangling' unless t
|
||||
dif = (Time.now - t).to_i
|
||||
dif = dif / 60
|
||||
return "modified-hour" if dif <= 60
|
||||
dif = dif / 60
|
||||
return "modified-today" if dif <= 24
|
||||
dif = dif / 24
|
||||
return "modified-month" if dif <= 30
|
||||
return "modified-year" if dif <= 365
|
||||
return "modified-old"
|
||||
end
|
||||
|
||||
def rss_recent_pubDate_to_dc_date(target)
|
||||
if target.respond_to?(:pubDate)
|
||||
class << target
|
||||
alias_method(:dc_date, :pubDate)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue