mirror of https://github.com/captn3m0/muse-dl.git
63 lines
2.2 KiB
Crystal
63 lines
2.2 KiB
Crystal
require "crest"
|
|
require "./errors/*"
|
|
|
|
module Muse::Dl
|
|
class Fetch
|
|
USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
|
|
# TODO: Add support for cookies?
|
|
# "Cookie" => "session=124.123.104.8.1585388207021325",
|
|
HEADERS = {
|
|
"User-Agent" => USER_AGENT,
|
|
"Accept" => "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
|
|
"Accept-Language" => "en-US,en;q=0.5",
|
|
"DNT" => "1",
|
|
"Cookie" => "session=124.123.104.8.1585420925750331; session=25719682.5a1ef8cb90ec8",
|
|
"Connection" => "keep-alive",
|
|
"Upgrade-Insecure-Requests" => "1",
|
|
"Cache-Control" => "max-age=0",
|
|
}
|
|
|
|
def self.save_chapter(tmp_path : String, chapter_id : String, add_bookmark = true)
|
|
url = "https://muse.jhu.edu/chapter/#{chapter_id}"
|
|
headers = HEADERS.merge({
|
|
"Referer" => "https://muse.jhu.edu/verify?url=%2Fchapter%2F#{chapter_id}%2Fpdf",
|
|
})
|
|
|
|
begin
|
|
Crest.get(url, max_redirects: 0, handle_errors: false, headers: headers) do |response|
|
|
File.open("#{tmp_path}/chapter-#{chapter_id}.pdf", "w") do |file|
|
|
IO.copy(response.body_io, file)
|
|
end
|
|
rescue e : Exception
|
|
puts e.message
|
|
raise e
|
|
# We catch a temporary redirect
|
|
# https://github.com/mamantoha/crest/blob/29a690726902c71884f9c80f0f9565256e74b7fd/src/crest/exceptions.cr#L20-L28
|
|
end
|
|
rescue e : Exception
|
|
puts "FICK"
|
|
raise e
|
|
end
|
|
end
|
|
|
|
def self.get_info(url : String) : Muse::Dl::Thing | Nil
|
|
match = /https:\/\/muse.jhu.edu\/(book|journal)\/(\d+)/.match url
|
|
if match
|
|
begin
|
|
response = Crest.get(url).to_s
|
|
case match[1]
|
|
when "book"
|
|
return Muse::Dl::Book.new response
|
|
when "journal"
|
|
return Muse::Dl::Journal.new response
|
|
end
|
|
rescue ex : Crest::NotFound
|
|
raise Muse::Dl::Errors::InvalidLink.new
|
|
end
|
|
else
|
|
raise Muse::Dl::Errors::InvalidLink.new
|
|
end
|
|
end
|
|
end
|
|
end
|