Class: ImageFlux::Origin

Inherits:
Object
  • Object
show all
Defined in:
lib/image_flux/origin.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(domain:, scheme: 'https', signing_version: '1', signing_secret: nil, **_options) ⇒ Origin

Returns a new instance of Origin.



10
11
12
13
14
15
 
# File 'lib/image_flux/origin.rb', line 10

def initialize(domain:, scheme: 'https', signing_version: '1', signing_secret: nil, **_options)
  @domain = domain.to_s
  @scheme = scheme.to_s
  @signing_version = signing_version
  @signing_secret = signing_secret
end

Instance Attribute Details

#domain ⇒ Object (readonly)

Returns the value of attribute domain.



9
10
11
 
# File 'lib/image_flux/origin.rb', line 9

def domain
  @domain
end

#scheme ⇒ Object (readonly)

Returns the value of attribute scheme.



9
10
11
 
# File 'lib/image_flux/origin.rb', line 9

def scheme
  @scheme
end

#signing_secret ⇒ Object (readonly)

Returns the value of attribute signing_secret.



9
10
11
 
# File 'lib/image_flux/origin.rb', line 9

def signing_secret
  @signing_secret
end

#signing_version ⇒ Object (readonly)

Returns the value of attribute signing_version.



9
10
11
 
# File 'lib/image_flux/origin.rb', line 9

def signing_version
  @signing_version
end

Instance Method Details

#base_url ⇒ Object 



17
18
19
 
# File 'lib/image_flux/origin.rb', line 17

def base_url
  @base_url ||= URI("#{@scheme}://#{@domain}/")
end

#image_url(path, options = {}) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/image_flux/origin.rb', line 21

def image_url(path, options = {})
  path = "/#{path}" unless path.start_with?('/')

  options = options.merge(sig: sign(path)) if @signing_secret
  opt = ImageFlux::Option.new(options)

  path = "#{opt.prefix_path}#{path}" if opt.prefix_path
  query = opt.to_query

  url = base_url.dup
  url.path = query.length.zero? ? path : "/c/#{opt.to_query}#{path}"

  url
end

#sign(path) ⇒ Object 



36
37
38
39
40
 
# File 'lib/image_flux/origin.rb', line 36

def sign(path)
  digest = OpenSSL::HMAC.digest('sha256', @signing_secret, path)

  "#{@signing_version}.#{Base64.urlsafe_encode64(digest)}"
end