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Download all the photos you've liked on instagram
require 'restclient'
require 'json'
require 'digest'
class IGDownloader
def initialize(output_path)
@base_output_path = output_path
end
def run(media_url)
image_urls = []
while media_url != nil
json = json_for(media_url)
media_url = json["pagination"]["next_url"]
image_urls.concat(find_urls(json["data"]))
# don't slam instagram's api
sleep 0.2
end
download_images(image_urls)
end
def download_images(urls)
urls.each do |url|
digest = digest(url)
image_output_path = image_output_path(digest)
image = RestClient.get(url) unless File.exists? image_output_path
save_image(image, image_output_path) if image
save_url(url, url_output_path(digest)) if image
end
end
def output_directory(digest)
path = "#{@base_output_path}/#{digest}"
dir = Dir.mkdir(path) unless Dir.exists? path
path
end
def digest(url)
Digest::MD5.hexdigest(url)
end
def image_output_path(digest)
path = output_directory(digest)
full_path = "#{path}/#{digest}.jpg"
end
def url_output_path(digest)
path = output_directory(digest)
full_path = "#{path}/url.txt"
end
def save_image(image, path)
save_item(image, path)
end
def save_url(url, path)
save_item("#{url}\n", path)
end
def save_item(item, path)
File.open(path, 'w') {|f| f.write(item) }
end
def json_for(url)
begin
response = RestClient.get url
json = JSON.parse(response)
rescue Exception
puts "Rescuing #{url}"
# yeah, infinite loop, be careful
json_for(url)
end
end
def find_urls(items)
items.map do |item|
url = item["images"]["standard_resolution"]["url"]
end
end
end
# See http://instagram.com/developer/authentication/
# for authentication details
token = "some valid access token"
media_url = "https://api.instagram.com/v1/users/self/media/liked/?access_token=#{token}"
output_path = "/some/path/that/already/exists"
IGDownloader.new(output_path).run(media_url)
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