Class: Necropsy::BoundedCanonicalizer

Inherits:
Object
  • Object
show all
Defined in:
lib/necropsy/bounded_canonicalizer.rb

Defined Under Namespace

Classes: CycleError, Error, LimitError, UnsupportedTypeError

Constant Summary collapse

MAX_DEPTH = 
256
MAX_ITEMS = 
1_000_000
MAX_STRING_BYTES = 
64 * 1024 * 1024
MAX_TOTAL_BYTES = 
256 * 1024 * 1024

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_depth: MAX_DEPTH, max_items: MAX_ITEMS, max_string_bytes: MAX_STRING_BYTES, max_total_bytes: MAX_TOTAL_BYTES) ⇒ BoundedCanonicalizer

Returns a new instance of BoundedCanonicalizer.



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# File 'lib/necropsy/bounded_canonicalizer.rb', line 21

def initialize(max_depth: MAX_DEPTH, max_items: MAX_ITEMS, max_string_bytes: MAX_STRING_BYTES,
               max_total_bytes: MAX_TOTAL_BYTES)
  @max_depth = positive_limit(max_depth, :max_depth)
  @max_items = positive_limit(max_items, :max_items)
  @max_string_bytes = positive_limit(max_string_bytes, :max_string_bytes)
  @max_total_bytes = positive_limit(max_total_bytes, :max_total_bytes)
end

Class Method Details

.dump(value, **limits) ⇒ Object 



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# File 'lib/necropsy/bounded_canonicalizer.rb', line 17

def self.dump(value, **limits)
  new(**limits).dump(value)
end

Instance Method Details

#call(value) ⇒ Object

Kept for callers that need the canonical Ruby representation rather than bytes.



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# File 'lib/necropsy/bounded_canonicalizer.rb', line 30

def call(value)
  JSON.parse(dump(value), max_nesting: false)
end

#dump(value) ⇒ Object 



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# File 'lib/necropsy/bounded_canonicalizer.rb', line 34

def dump(value)
  reset_state
  output = binary_string
  process([[:value, value, 0, output]])
  output
rescue JSON::GeneratorError => e
  raise Error, "Could not encode canonical payload: #{e.message}"
end