/usr/lib/ruby/vendor_ruby/faraday/utils.rb is in ruby-faraday 0.9.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 | require 'thread'
module Faraday
module Utils
extend self
# Adapted from Rack::Utils::HeaderHash
class Headers < ::Hash
def self.from(value)
new(value)
end
def initialize(hash = nil)
super()
@names = {}
self.update(hash || {})
end
# on dup/clone, we need to duplicate @names hash
def initialize_copy(other)
super
@names = other.names.dup
end
# need to synchronize concurrent writes to the shared KeyMap
keymap_mutex = Mutex.new
# symbol -> string mapper + cache
KeyMap = Hash.new do |map, key|
value = if key.respond_to?(:to_str)
key
else
key.to_s.split('_'). # :user_agent => %w(user agent)
each { |w| w.capitalize! }. # => %w(User Agent)
join('-') # => "User-Agent"
end
keymap_mutex.synchronize { map[key] = value }
end
KeyMap[:etag] = "ETag"
def [](k)
k = KeyMap[k]
super(k) || super(@names[k.downcase])
end
def []=(k, v)
k = KeyMap[k]
k = (@names[k.downcase] ||= k)
# join multiple values with a comma
v = v.to_ary.join(', ') if v.respond_to? :to_ary
super(k, v)
end
def fetch(k, *args, &block)
k = KeyMap[k]
key = @names.fetch(k.downcase, k)
super(key, *args, &block)
end
def delete(k)
k = KeyMap[k]
if k = @names[k.downcase]
@names.delete k.downcase
super(k)
end
end
def include?(k)
@names.include? k.downcase
end
alias_method :has_key?, :include?
alias_method :member?, :include?
alias_method :key?, :include?
def merge!(other)
other.each { |k, v| self[k] = v }
self
end
alias_method :update, :merge!
def merge(other)
hash = dup
hash.merge! other
end
def replace(other)
clear
@names.clear
self.update other
self
end
def to_hash() ::Hash.new.update(self) end
def parse(header_string)
return unless header_string && !header_string.empty?
header_string.split(/\r\n/).
tap { |a| a.shift if a.first.index('HTTP/') == 0 }. # drop the HTTP status line
map { |h| h.split(/:\s+/, 2) }.reject { |p| p[0].nil? }. # split key and value, ignore blank lines
each { |key, value|
# join multiple values with a comma
if self[key]
self[key] << ', ' << value
else
self[key] = value
end
}
end
protected
def names
@names
end
end
# hash with stringified keys
class ParamsHash < Hash
def [](key)
super(convert_key(key))
end
def []=(key, value)
super(convert_key(key), value)
end
def delete(key)
super(convert_key(key))
end
def include?(key)
super(convert_key(key))
end
alias_method :has_key?, :include?
alias_method :member?, :include?
alias_method :key?, :include?
def update(params)
params.each do |key, value|
self[key] = value
end
self
end
alias_method :merge!, :update
def merge(params)
dup.update(params)
end
def replace(other)
clear
update(other)
end
def merge_query(query, encoder = nil)
if query && !query.empty?
update((encoder || Utils.default_params_encoder).decode(query))
end
self
end
def to_query(encoder = nil)
(encoder || Utils.default_params_encoder).encode(self)
end
private
def convert_key(key)
key.to_s
end
end
def build_query(params)
FlatParamsEncoder.encode(params)
end
def build_nested_query(params)
NestedParamsEncoder.encode(params)
end
ESCAPE_RE = /[^a-zA-Z0-9 .~_-]/
def escape(s)
s.to_s.gsub(ESCAPE_RE) {|match|
'%' + match.unpack('H2' * match.bytesize).join('%').upcase
}.tr(' ', '+')
end
def unescape(s) CGI.unescape s.to_s end
DEFAULT_SEP = /[&;] */n
# Adapted from Rack
def parse_query(query)
FlatParamsEncoder.decode(query)
end
def parse_nested_query(query)
NestedParamsEncoder.decode(query)
end
def default_params_encoder
@default_params_encoder ||= NestedParamsEncoder
end
class << self
attr_writer :default_params_encoder
end
# Stolen from Rack
def normalize_params(params, name, v = nil)
name =~ %r(\A[\[\]]*([^\[\]]+)\]*)
k = $1 || ''
after = $' || ''
return if k.empty?
if after == ""
if params[k]
params[k] = Array[params[k]] unless params[k].kind_of?(Array)
params[k] << v
else
params[k] = v
end
elsif after == "[]"
params[k] ||= []
raise TypeError, "expected Array (got #{params[k].class.name}) for param `#{k}'" unless params[k].is_a?(Array)
params[k] << v
elsif after =~ %r(^\[\]\[([^\[\]]+)\]$) || after =~ %r(^\[\](.+)$)
child_key = $1
params[k] ||= []
raise TypeError, "expected Array (got #{params[k].class.name}) for param `#{k}'" unless params[k].is_a?(Array)
if params[k].last.is_a?(Hash) && !params[k].last.key?(child_key)
normalize_params(params[k].last, child_key, v)
else
params[k] << normalize_params({}, child_key, v)
end
else
params[k] ||= {}
raise TypeError, "expected Hash (got #{params[k].class.name}) for param `#{k}'" unless params[k].is_a?(Hash)
params[k] = normalize_params(params[k], after, v)
end
return params
end
# Normalize URI() behavior across Ruby versions
#
# url - A String or URI.
#
# Returns a parsed URI.
def URI(url)
if url.respond_to?(:host)
url
elsif url.respond_to?(:to_str)
default_uri_parser.call(url)
else
raise ArgumentError, "bad argument (expected URI object or URI string)"
end
end
def default_uri_parser
@default_uri_parser ||= begin
require 'uri'
Kernel.method(:URI)
end
end
def default_uri_parser=(parser)
@default_uri_parser = if parser.respond_to?(:call) || parser.nil?
parser
else
parser.method(:parse)
end
end
# Receives a String or URI and returns just the path with the query string sorted.
def normalize_path(url)
url = URI(url)
(url.path.start_with?('/') ? url.path : '/' + url.path) +
(url.query ? "?#{sort_query_params(url.query)}" : "")
end
# Recursive hash update
def deep_merge!(target, hash)
hash.each do |key, value|
if Hash === value and Hash === target[key]
target[key] = deep_merge(target[key], value)
else
target[key] = value
end
end
target
end
# Recursive hash merge
def deep_merge(source, hash)
deep_merge!(source.dup, hash)
end
protected
def sort_query_params(query)
query.split('&').sort.join('&')
end
end
end
|