]> gitweb.michael.orlitzky.com - dead/whatever-dl.git/blob - lib/whatever-dl/websites/infoq.rb
Move all of the 'src' code under the more-standard 'lib'.
[dead/whatever-dl.git] / lib / whatever-dl / websites / infoq.rb
1 #
2 # Copyright Michael Orlitzky
3 #
4 # http://michael.orlitzky.com/
5 #
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
10 #
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
15 #
16 # http://www.fsf.org/licensing/licenses/gpl.html
17 #
18
19 require 'src/website'
20 require 'base64'
21
22 class Infoq < Website
23
24 VALID_INFOQ_URL_REGEX = /^(http:\/\/)?(www\.)?infoq\.com\/(.+)$/
25
26 def self.owns_url?(url)
27 return url =~ VALID_INFOQ_URL_REGEX
28 end
29
30
31 def get_video_url()
32 page_data = self.get_page_data(@url)
33 video_url = self.parse_video_url(page_data)
34 return video_url
35 end
36
37
38 protected;
39
40 # Get the FLV file URL from the HTML page for this movie.
41 # It's encoded in base64 -- no big deal.
42 def parse_video_url(page_data)
43 # Get the base64 string. It's stored in a javascript
44 # variable called "jsclassref". This regex should match
45 # a javascript variable declaration preceded, separated,
46 # and/or terminated by zero or more whitespace characters.
47 base64_regex = /^\s*var\s+jsclassref=\'(.*)\';\s*$/
48 matches = base64_regex.match(page_data)
49
50 if (matches.nil? || matches.length < 2)
51 raise StandardError.new('There were no base64-encoded video URLs found on the page: ');
52 end
53
54 return Base64.decode64(matches[1])
55 end
56
57
58 end