Class: Imageomatic::UrlSignature

Inherits:
Object
  • Object
show all
Defined in:
lib/imageomatic/url_signature.rb

Constant Summary collapse

DIGEST =

Use for ‘OpenSSL::HMAC`

"SHA256".freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(secret_key:, public_key:) ⇒ UrlSignature

Returns a new instance of UrlSignature.



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# File 'lib/imageomatic/url_signature.rb', line 11

def initialize(secret_key:, public_key:)
  @secret_key = secret_key
  @public_key = public_key
  @path_prefix = File.join("/", "v1", public_key)
end

Instance Attribute Details

#path_prefix ⇒ Object (readonly)

Returns the value of attribute path_prefix.



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# File 'lib/imageomatic/url_signature.rb', line 9

def path_prefix
  @path_prefix
end

#public_key ⇒ Object (readonly)

Returns the value of attribute public_key.



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# File 'lib/imageomatic/url_signature.rb', line 9

def public_key
  @public_key
end

#secret_key ⇒ Object (readonly)

Returns the value of attribute secret_key.



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# File 'lib/imageomatic/url_signature.rb', line 9

def secret_key
  @secret_key
end

Instance Method Details

#signed_url(path) ⇒ Object 



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# File 'lib/imageomatic/url_signature.rb', line 17

def signed_url(path)
  URI.join("https://www.imageomatic.com/", signed_path(path))
end

#url_for(path, **query) ⇒ Object 



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# File 'lib/imageomatic/url_signature.rb', line 27

def url_for(path, **query)
  path = URI(path).tap do |url|
    url.path = path
    url.query = query.to_query
  end
  signed_url path
end

#valid?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/imageomatic/url_signature.rb', line 21

def valid?(url)
  path = URI(url).request_uri
  version, , signature, path = Regexp.new("/(v1)/(.+?)/(.+?)(/.+)").match(path).captures
  signature == sign(path)
end