Class: AuthenticImage::Request

Inherits:
Object
  • Object
show all
Defined in:
lib/authentic_image/request.rb

Overview

iiif.io/api/image/2.1/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host:, prefix:, signing_key:, digest: "sha1", bucket:, key:, region: "full", size: "full", rotation: "0", quality: "default", format: "jpg", version: 1) ⇒ Request

Returns a new instance of Request.



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# File 'lib/authentic_image/request.rb', line 6

def initialize(host:, prefix:, signing_key:, digest: "sha1", bucket:, key:, region: "full", size: "full", rotation: "0", quality: "default", format: "jpg", version: 1)
  @host        = host
  @prefix      = prefix
  @signing_key = signing_key
  @digest      = OpenSSL::Digest.new(digest)
  @bucket      = bucket
  @key         = key
  @region      = region
  @size        = size
  @rotation    = rotation
  @quality     = quality
  @format      = format
  @version     = version
end

Instance Attribute Details

#bucket ⇒ Object (readonly)

Returns the value of attribute bucket.



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# File 'lib/authentic_image/request.rb', line 23

def bucket
  @bucket
end

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/authentic_image/request.rb', line 33

def format
  @format
end

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/authentic_image/request.rb', line 21

def host
  @host
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/authentic_image/request.rb', line 23

def key
  @key
end

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix.



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# File 'lib/authentic_image/request.rb', line 21

def prefix
  @prefix
end

#quality ⇒ Object (readonly)

Returns the value of attribute quality.



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# File 'lib/authentic_image/request.rb', line 31

def quality
  @quality
end

#region ⇒ Object (readonly)

Returns the value of attribute region.



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# File 'lib/authentic_image/request.rb', line 25

def region
  @region
end

#rotation ⇒ Object (readonly)

Returns the value of attribute rotation.



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# File 'lib/authentic_image/request.rb', line 29

def rotation
  @rotation
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/authentic_image/request.rb', line 27

def size
  @size
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/authentic_image/request.rb', line 35

def version
  @version
end

Instance Method Details

#identifier ⇒ Object 



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# File 'lib/authentic_image/request.rb', line 37

def identifier
  CGI.escape("#{bucket}/#{key}")
end

#path ⇒ Object 



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# File 'lib/authentic_image/request.rb', line 41

def path
  "#{prefix}/#{identifier}/#{region}/#{size}/#{rotation}/#{quality}.#{format}"
end

#signature ⇒ Object 



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# File 'lib/authentic_image/request.rb', line 45

def signature
  OpenSSL::HMAC.hexdigest(digest, signing_key, path)
end

#to_s ⇒ Object 



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# File 'lib/authentic_image/request.rb', line 53

def to_s
  url
end

#url ⇒ Object 



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# File 'lib/authentic_image/request.rb', line 49

def url
  "#{host}#{path}?sig=#{signature}&ver=#{version}"
end