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#-- vim:sw=2:et
#++
#
# :title: tumblr interface
#
# Author:: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
# Copyright:: (C) 2009 Giuseppe Bilotta
# License:: GPLv2
#
# Submit URLs to channel-specific tumblr accounts
#
# TODO support other video providers (maybe detect embed codes?)
# TODO support image better (e.g. pages with a single big image)
# TODO customize caption/description format
# TODO do not reblog own posts (maybe?)
require 'rexml/document'
require 'cgi'
class TumblrPlugin < Plugin
RBOT = CGI.escape("rbot #{$version.split.first}")
WRITE_URL = "http://www.tumblr.com/api/write"
REBLOG_URL = "http://www.tumblr.com/api/reblog"
READ_URL = "http://%{user}.tumblr.com/api/read?id=%{id}"
LOGIN = "email=%{email}&password=%{pwd}&group=%{group}&format=markdown&generator=" + RBOT
PHOTO = "&type=photo&source=%{src}&click-through-url=%{src}"
VIDEO = "&type=video&embed=%{src}"
CAPTION = "&caption=%{desc}"
LINK = "&type=link&url=%{src}"
NAME = "&name=%{name}"
DESC = "&description=%{desc}"
REBLOG = "&post-id=%{id}&reblog-key=%{reblog}"
COMMENT = "&comment=%{desc}"
TAGS = "&tags=%{tags}"
def help(plugin, topic="")
case topic
when "configure"
"tumblr configure [<channel>]: show credentials used for channel <channel> (default: current). tumblr configure [<channel>] <email> <password> [<group>] => post links from channel <channel> (default: current) to group <group> (default: name of channel) using the given tumblr credentials"
when "deconfigure"
"tumblr deconfigure [<channel>]: forget credentials for channel <channel> (default: current)."
else
"post links, photos and videos to a channel-specific tumblr. topics: configure, deconfigure"
end
end
def event_url_added(url, options={})
return unless options.key? :channel
chan = options[:channel]
return unless @registry.key? chan
account = @registry[chan]
line = options[:ircline]
line = nil if line and line.empty?
if line and nick = options[:nick]
line = "<#{nick}> #{line}"
end
html_line = line ? CGI.escapeHTML(line) : line
tags = line ? line.scan(/\[([^\]]+)\]/).flatten : []
req = LOGIN % account
ready = false
api_url = WRITE_URL
tumblr = options[:htmlinfo][:headers]['x-tumblr-user'].to_s rescue nil
if tumblr
id = url.match(/\/post\/(\d+)/)
if id
id = id[1]
read_url = READ_URL % { :user => tumblr, :id => id}
# TODO seems to return 503 a little too frequently
xml = @bot.httputil.get(read_url)
if xml
reblog = REXML::Document.new(xml).elements["//post"].attributes["reblog-key"] rescue nil
if reblog and not reblog.empty?
api_url = REBLOG_URL
data = REBLOG
data << COMMENT
html_line = CGI.escapeHTML("(via <a href=%{url}>%{tumblr}</a>" % {
:url => url, :tumblr => tmblr
}) unless html_line
req << (data % {
:id => id,
:reblog => reblog,
:desc => CGI.escape(html_line)
})
ready = true
end
end
end
end
if not ready
type = options[:htmlinfo][:headers]['content-type'].first rescue nil
case type
when /^image\/.*/
data = PHOTO
data << CAPTION if line
else
if url.match(%r{^http://(\w+\.)?(youtube\.com/watch.*|vimeo.com/\d+)})
data = VIDEO
data << CAPTION if line
else
data = LINK
data << NAME if line
end
end
data << TAGS unless tags.empty?
req << (data % {
:src => CGI.escape(url),
:desc => CGI.escape(html_line),
:tags => CGI.escape(tags.join(',')),
:name => CGI.escape(line)
})
end
debug "posting #{req.inspect}"
resp = @bot.httputil.post(api_url, req)
debug "tumblr response: #{resp.inspect}"
end
def configuration(m, params={})
channel = params[:channel] || m.channel
if not channel
m.reply _("Please specify a channel")
return
end
if not @registry.key? channel
m.reply _("No tumblr credentials set for %{chan}" % { :chan => channel })
return false
end
account = @registry[channel]
account[:pwd] = _("<hidden>") if m.public?
account[:chan] = channel
m.reply _("Links on %{chan} will go to %{group} using account %{email} and password %{pwd}" % account)
end
def deconfigure(m, params={})
channel = params[:channel] || m.channel
if not channel
m.reply _("Please specify a channel")
return
end
if not @registry.key? channel
m.reply _("No tumblr credentials set for %{chan}" % { :chan => channel })
return false
end
@registry.delete channel
m.reply _("Links on %{chan} will not be posted to tumblr anymore" % {:chan => channel})
end
def configure(m, params={})
channel = params[:channel] || m.channel
if not channel
m.reply _("Please specify a channel")
return
end
if @registry.key? channel
m.reply _("%{chan} already has credentials configured" % { :chan => channel })
else
group = params[:group] || Channel.npname(channel)
group << ".tumblr.com" unless group.match(/\.tumblr\.com/)
@registry[channel] = {
:email => CGI.escape(params[:email]),
:pwd => CGI.escape(params[:pwd]),
:group => CGI.escape(group)
}
end
return configuration(m, params)
end
end
plugin = TumblrPlugin.new
plugin.default_auth('*', false)
plugin.map 'tumblr configure [:channel]', :action => :configuration
plugin.map 'tumblr deconfigure [:channel]', :action => :deconfigure
plugin.map 'tumblr configure [:channel] :email :pwd [:group]',
:action => :configure,
:requirements => {:channel => Regexp::Irc::GEN_CHAN, :email => /.+@.+/, :group => /[A-Za-z-]+/}
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