Module: Blobby::KeyConstraint

Defined in:
lib/blobby/key_constraint.rb

Overview

Defines the keys we allow for use in BLOB-store implementations.

Basically, we allow anything that would be a valid URI “path” component.

Constant Summary collapse

BAD_PATTERNS = 
[
  %r{\A\Z}, # blank
  %r{\A/}, # leading slash
  %r{/\Z}, # trailing slash
  %r{//+}, # multiple slashes
  %r{:} # colon
].freeze

Class Method Summary collapse

Class Method Details

.allows?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/blobby/key_constraint.rb', line 23

def allows?(key)
  BAD_PATTERNS.none? { |pattern| pattern =~ key } &&
    URI.parse(key).path == key
rescue URI::InvalidURIError
  false
end

.must_allow!(key) ⇒ Object 



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# File 'lib/blobby/key_constraint.rb', line 30

def must_allow!(key)
  fail ArgumentError, "invalid key: #{key.inspect}" unless allows?(key)
end