Class: Arachni::HTTP::ProxyServer::Connection
- Inherits:
-
Reactor::Connection
- Object
- Reactor::Connection
- Arachni::HTTP::ProxyServer::Connection
show all
- Includes:
- UI::Output
- Defined in:
- lib/arachni/http/proxy_server/connection.rb
Constant Summary
collapse
%w(transfer-encoding connection proxy-connection keep-alive
content-encoding te trailers accept-encoding accept-ranges vary)
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods included from UI::Output
#debug?, #debug_level_1?, #debug_level_2?, #debug_level_3?, #debug_level_4?, #debug_off, #debug_on, #disable_only_positives, #included, #mute, #muted?, #only_positives, #only_positives?, #print_bad, #print_debug, #print_debug_backtrace, #print_debug_level_1, #print_debug_level_2, #print_debug_level_3, #print_debug_level_4, #print_error, #print_error_backtrace, #print_exception, #print_info, #print_line, #print_ok, #print_status, #print_verbose, #reroute_to_file, #reroute_to_file?, reset_output_options, #unmute, #verbose?, #verbose_on
Constructor Details
#initialize(options = {}) ⇒ Connection
Returns a new instance of Connection.
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
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 23
def initialize( options = {} )
@options = options
@parent = options[:parent]
@body = ''
@parser = ::HTTP::Parser.new
@raw_request = ''
@parser.on_message_begin = proc do
if @reused
print_debug_level_3 "Reusing connection: #{object_id}"
else
print_debug_level_3 "Starting new connection: #{object_id}"
end
@reused = true
print_debug_level_3 'Incoming request.'
@parent.mark_connection_active self
end
@parser.on_body = proc do |chunk|
print_debug_level_3 "Got #{chunk.size} bytes."
@body << chunk
end
@parser.on_message_complete = proc do
method = @parser.http_method.downcase.to_sym
= ( @parser. )
print_debug_level_3 "Request received: #{@parser.http_method} #{@parser.request_url}"
if ['upgrade']
handle_upgrade( )
next
end
if method == :connect
handle_connect( )
next
end
if !@parent.has_available_request_tokens?
print_debug_level_3 'Waiting for a request token.'
end
@parent.get_request_token do |token|
print_debug_level_3 "Got request token ##{token}."
if closed?
print_debug_level_3 'Connection closed while waiting for a request token.'
@parent.return_request_token( token )
print_debug_level_3 "Returned request token ##{token}."
next
end
Thread.new do
begin
@request = Arachni::HTTP::Request.new(
http_opts.merge(
url: sanitize_url( @parser.request_url, ),
method: method,
body: @body,
headers:
)
)
handle_request( @request )
rescue => e
close e
ensure
@parent.return_request_token( token )
print_debug_level_3 "Returned request token ##{token}."
end
end
end
end
end
|
Instance Attribute Details
Returns the value of attribute parent.
20
21
22
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 20
def parent
@parent
end
|
Returns the value of attribute request.
21
22
23
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 21
def request
@request
end
|
Instance Method Details
292
293
294
295
296
297
298
299
300
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 292
def ( )
= Arachni::HTTP::Headers.new( )
SKIP_HEADERS.each do |name|
.delete name
end
end
|
302
303
304
305
306
307
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 302
def ( )
SKIP_HEADERS.each do |name|
.delete name
end
end
|
#handle_connect(headers) ⇒ Object
116
117
118
119
120
121
122
123
124
125
126
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 116
def handle_connect( )
print_debug_level_3 'Preparing to intercept.'
host = (['Host'] || @parser.request_url).split( ':', 2 ).first
start_interceptor( host )
@last_http = true
write "HTTP/#{http_version} 200\r\n\r\n"
end
|
#handle_request(request) ⇒ Object
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
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 128
def handle_request( request )
print_debug_level_3 'Processing request.'
if @options[:request_handler]
print_debug_level_3 "-- Has special handler: #{@options[:request_handler]}"
response = Response.new( url: request.url )
response.request = request
if @options[:request_handler].call( request, response )
print_debug_level_3 '-- Handler approves, running...'
HTTP::Client.queue( request )
response = request.run
print_debug_level_3 "-- ...completed in #{response.time}: #{response.status_line}"
else
print_debug_level_3 '-- Handler did not approve, will not run.'
end
else
print_debug_level_3 '-- Running...'
HTTP::Client.queue( request )
response = request.run
print_debug_level_3 "-- ...completed in #{response.time}: #{response.status_line}"
end
print_debug_level_3 'Processed request.'
reactor.schedule { handle_response( response ) }
end
|
#handle_response(response) ⇒ Object
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
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 171
def handle_response( response )
print_debug_level_3 'Preparing response.'
if closed?
print_debug_level_3 '-- Connection closed, will not respond.'
return
end
if @options[:response_handler]
print_debug_level_3 "-- Has special handler: #{@options[:response_handler]}"
@options[:response_handler].call( response.request, response )
end
code = response.code
if response.code == 0
code = 504
end
res = "HTTP/#{http_version} #{code}\r\n"
= ( response. )
['Content-Length'] = response.body.bytesize
if response.text? && .content_type
['Content-Type'] =
"#{.content_type.split( ';' ).first}; charset=utf-8"
end
.each do |k, v|
if v.is_a?( Array )
v.flatten.each do |h|
res << "#{k}: #{h.gsub(/[\n\r]/, '')}\r\n"
end
next
end
res << "#{k}: #{v}\r\n"
end
res << "\r\n"
print_debug_level_3 "Sending response for: #{@request.url}"
write (res << response.body)
end
|
#handle_upgrade(headers) ⇒ Object
103
104
105
106
107
108
109
110
111
112
113
114
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 103
def handle_upgrade( )
print_debug_level_3 'Preparing to upgrade.'
host = (['Host'] || @parser.request_url).split( ':', 2 ).first
@tunnel = reactor.connect( host, 80, Tunnel, @options.merge( client: self ) )
@last_http = true
@tunnel.write @raw_request
end
|
#http_opts(options = {}) ⇒ Object
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 324
def http_opts( options = {} )
options.merge(
performer: self,
follow_location: false,
timeout: @options[:timeout],
update_cookies: true,
mode: :sync,
response_max_size: -1
)
end
|
#http_version ⇒ Object
167
168
169
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 167
def http_version
@parser.http_version.join('.')
end
|
#on_close(reason = nil) ⇒ Object
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 220
def on_close( reason = nil )
print_debug_level_3 "Closed because: [#{reason.class}] #{reason}"
@parent.mark_connection_inactive self
if @ssl_interceptor
@ssl_interceptor.close( reason )
@ssl_interceptor = nil
end
if @tunnel
@tunnel.close_without_callback
@tunnel = nil
end
end
|
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 236
def on_flush
if !@tunnel || @last_http
if @last_http
print_debug_level_3 'Last response sent, switching to tunnel.'
elsif @request
print_debug_level_3 "Response sent for: #{@request.url}"
end
@last_http = false
end
@body = ''
@raw_request = ''
@request = nil
@parser.reset!
@parent.mark_connection_inactive self
end
|
#on_read(data) ⇒ Object
261
262
263
264
265
266
267
268
269
270
271
272
273
274
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 261
def on_read( data )
@raw_request << data
if @tunnel
@tunnel.write( data )
return
end
@parser << data
rescue ::HTTP::Parser::Error => e
close e
end
|
#sanitize_url(str, headers) ⇒ Object
309
310
311
312
313
314
315
316
317
318
319
320
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 309
def sanitize_url( str, )
uri = Arachni::URI( str )
return uri.to_s if uri.absolute?
host, port = *['Host'].split( ':', 2 )
uri.scheme = self.is_a?( SSLInterceptor ) ? 'https' : 'http'
uri.host = host
uri.port = port ? port.to_i : nil
uri.to_s
end
|
#start_interceptor(origin_host) ⇒ Object
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 276
def start_interceptor( origin_host )
@interceptor_port = Utilities.available_port
print_debug_level_3 "Starting interceptor on port: #{@interceptor_port}"
@ssl_interceptor = reactor.listen(
@options[:address], @interceptor_port, SSLInterceptor,
@options.merge( origin_host: origin_host )
)
@tunnel = reactor.connect(
@options[:address], @interceptor_port, Tunnel,
@options.merge( client: self )
)
end
|
#write(data) ⇒ Object
256
257
258
259
|
# File 'lib/arachni/http/proxy_server/connection.rb', line 256
def write( data )
return if closed?
super data
end
|