Module: McAPI::Utils
- Defined in:
- lib/mcapi/encryption/utils/utils.rb
Overview
Utils module
Class Method Summary collapse
- .compute_body(config_param, body_map) ⇒ Object
- .config?(endpoint, config) ⇒ Boolean
- .contains(config, props) ⇒ Object
-
.create_message_digest(digest) ⇒ Object
Create Digest object for the provided digest string.
-
.decode(data, encoding) ⇒ Object
Data decoding.
-
.delete_node(path, obj, properties = []) ⇒ Object
Delete node from JSON object.
-
.elem_from_path(path, obj) ⇒ Object
Get an element from the JSON path.
-
.encode(data, encoding) ⇒ Object
Data encoding.
- .encryption_param?(enc_param, body_map) ⇒ Boolean
-
.json_root?(elem) ⇒ Boolean
Check whether the encryption/decryption path refers to the root element.
-
.mutate_obj_prop(path, value, obj, src_path = nil, properties = []) ⇒ Object
Perform JSON object properties manipulations.
- .override_props(target, obj) ⇒ Object
- .parse_decrypted_payload(payload) ⇒ Object
-
.parse_header(raw) ⇒ Object
Parse raw HTTP Header.
Class Method Details
.compute_body(config_param, body_map) ⇒ Object
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# File 'lib/mcapi/encryption/utils/utils.rb', line 182 def self.compute_body(config_param, body_map) encryption_param?(config_param, body_map) ? body_map[0] : yield end |
.config?(endpoint, config) ⇒ Boolean
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# File 'lib/mcapi/encryption/utils/utils.rb', line 174 def self.config?(endpoint, config) return unless endpoint endpoint = endpoint.split('?').shift conf = config['paths'].select { |e| endpoint.match(e['path']) } conf.empty? ? nil : conf[0] end |
.contains(config, props) ⇒ Object
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# File 'lib/mcapi/encryption/utils/utils.rb', line 57 def self.contains(config, props) props.any? do |i| config.key? i end end |
.create_message_digest(digest) ⇒ Object
Create Digest object for the provided digest string
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# File 'lib/mcapi/encryption/utils/utils.rb', line 44 def self.(digest) return unless digest case digest.upcase when 'SHA-256', 'SHA256' OpenSSL::Digest::SHA256 when 'SHA-512', 'SHA512' OpenSSL::Digest::SHA512 else raise 'Digest algorithm not supported' end end |
.decode(data, encoding) ⇒ Object
Data decoding
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# File 'lib/mcapi/encryption/utils/utils.rb', line 28 def self.decode(data, encoding) return unless encoding case encoding.downcase when 'hex' [data].pack('H*') when 'base64' Base64.decode64(data) else raise 'Encoding not supported' end end |
.delete_node(path, obj, properties = []) ⇒ Object
Delete node from JSON object
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# File 'lib/mcapi/encryption/utils/utils.rb', line 101 def self.delete_node(path, obj, properties = []) return unless path && obj paths = path.split('.') to_delete = paths[paths.size - 1] paths.each_with_index do |e, index| prev = obj next unless obj[e] obj = obj[e] prev.delete(to_delete) if obj && index == paths.size - 1 end obj.keys.each { |e| obj.delete(e) } if paths.length == 1 && paths[0] == '$' properties.each { |e| obj.delete(e) } if paths.empty? end |
.elem_from_path(path, obj) ⇒ Object
Get an element from the JSON path
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# File 'lib/mcapi/encryption/utils/utils.rb', line 153 def self.elem_from_path(path, obj) parent = nil paths = path.split('.') if path && !paths.empty? paths.each do |e| parent = obj obj = json_root?(e) ? obj : obj[e] end end { node: obj, parent: parent } rescue StandardError nil end |
.encode(data, encoding) ⇒ Object
Data encoding
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# File 'lib/mcapi/encryption/utils/utils.rb', line 12 def self.encode(data, encoding) return unless encoding case encoding.downcase when 'hex' data.each_byte.map { |b| format('%02x', b.to_i) }.join when 'base64' Base64.encode64(data).delete("\n") else raise 'Encoding not supported' end end |
.encryption_param?(enc_param, body_map) ⇒ Boolean
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# File 'lib/mcapi/encryption/utils/utils.rb', line 186 def self.encryption_param?(enc_param, body_map) enc_param.length == 1 && body_map.length == 1 end |
.json_root?(elem) ⇒ Boolean
Check whether the encryption/decryption path refers to the root element
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# File 'lib/mcapi/encryption/utils/utils.rb', line 170 def self.json_root?(elem) elem == '$' end |
.mutate_obj_prop(path, value, obj, src_path = nil, properties = []) ⇒ Object
Perform JSON object properties manipulations
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# File 'lib/mcapi/encryption/utils/utils.rb', line 66 def self.mutate_obj_prop(path, value, obj, src_path = nil, properties = []) tmp = obj prev = nil return obj unless path delete_node(src_path, obj, properties) if src_path paths = path.split('.') unless path == '$' paths.each do |e| tmp[e] = {} unless tmp[e] prev = tmp tmp = tmp[e] end end elem = path.split('.').pop if elem == '$' obj = value # replace root elsif value.is_a?(Hash) && !value.is_a?(Array) prev[elem] = {} unless prev[elem].is_a?(Hash) override_props(prev[elem], value) else prev[elem] = value end obj end |
.override_props(target, obj) ⇒ Object
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# File 'lib/mcapi/encryption/utils/utils.rb', line 92 def self.override_props(target, obj) obj.each do |k, _| target[k] = obj[k] end end |
.parse_decrypted_payload(payload) ⇒ Object
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# File 'lib/mcapi/encryption/utils/utils.rb', line 190 def self.parse_decrypted_payload(payload) parsed_payload = payload.gsub("\\u000f", "") parsed_payload = parsed_payload.gsub("\\", "") if parsed_payload[0] == "\"" parsed_payload = parsed_payload.delete_prefix('"').delete_suffix('"') end parsed_payload end |
.parse_header(raw) ⇒ Object
Parse raw HTTP Header
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# File 'lib/mcapi/encryption/utils/utils.rb', line 120 def self.parse_header(raw) raw = raw.partition("\n").last header = Hash.new([].freeze) field = nil raw.each_line do |line| case line when /^([A-Za-z0-9!\#$%&'*+\-.^_`|~]+):\s*(.*?)\s*\z/om field = Regexp.last_match(1) value = Regexp.last_match(2) field.downcase! header[field] = [] unless header.key?(field) header[field] << value when /^\s+(.*?)\s*\z/om value = Regexp.last_match(1) raise Exception, "bad header '#{line}'." unless field header[field][-1] << ' ' << value else raise Exception, "bad header '#{line}'." end end header.each do |_key, values| values.each do |value| value.strip! value.gsub!(/\s+/, ' ') end end header end |