Class: HttpRules

Inherits:
Object
  • Object
show all
Defined in:
lib/resurfaceio/http_rules.rb

Overview

© 2016-2019 Resurface Labs Inc.

Direct Known Subclasses

Resurfaceio::HttpRules

Class Method Summary collapse

Class Method Details

.debug_rules ⇒ Object 



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# File 'lib/resurfaceio/http_rules.rb', line 6

def self.debug_rules
  "allow_http_url\ncopy_session_field /.*/\n"
end

.parse(rules) ⇒ Object 



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# File 'lib/resurfaceio/http_rules.rb', line 23

def self.parse(rules)
  result = []
  unless rules.nil?
    rules = rules.gsub(/^\s*include debug\s*$/, debug_rules)
    rules = rules.gsub(/^\s*include standard\s*$/, standard_rules)
    rules = rules.gsub(/^\s*include strict\s*$/, strict_rules)
    rules.each_line do |rule|
      parsed = parse_rule(rule)
      result << parsed unless parsed.nil?
    end
  end
  result
end

.parse_rule(r) ⇒ Object 



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# File 'lib/resurfaceio/http_rules.rb', line 37

def self.parse_rule(r)
  if r.nil? || r.match(REGEX_BLANK_OR_COMMENT)
    nil
  elsif r.match(REGEX_ALLOW_HTTP_URL)
    HttpRule.new('allow_http_url')
  elsif (m = r.match(REGEX_COPY_SESSION_FIELD))
    HttpRule.new('copy_session_field', nil, parse_regex(r, m[1]))
  elsif (m = r.match(REGEX_REMOVE))
    HttpRule.new('remove', parse_regex(r, m[1]))
  elsif (m = r.match(REGEX_REMOVE_IF))
    HttpRule.new('remove_if', parse_regex(r, m[1]), parse_regex(r, m[2]))
  elsif (m = r.match(REGEX_REMOVE_IF_FOUND))
    HttpRule.new('remove_if_found', parse_regex(r, m[1]), parse_regex_find(r, m[2]))
  elsif (m = r.match(REGEX_REMOVE_UNLESS))
    HttpRule.new('remove_unless', parse_regex(r, m[1]), parse_regex(r, m[2]))
  elsif (m = r.match(REGEX_REMOVE_UNLESS_FOUND))
    HttpRule.new('remove_unless_found', parse_regex(r, m[1]), parse_regex_find(r, m[2]))
  elsif (m = r.match(REGEX_REPLACE))
    HttpRule.new('replace', parse_regex(r, m[1]), parse_regex_find(r, m[2]), parse_string(r, m[3]))
  elsif (m = r.match(REGEX_SAMPLE))
    m1 = m[1].to_i
    raise RuntimeError.new("Invalid sample percent: #{m1}") if m1 < 1 || m1 > 99
    HttpRule.new('sample', nil, m1)
  elsif r.match(REGEX_SKIP_COMPRESSION)
    HttpRule.new('skip_compression')
  elsif r.match(REGEX_SKIP_SUBMISSION)
    HttpRule.new('skip_submission')
  elsif (m = r.match(REGEX_STOP))
    HttpRule.new('stop', parse_regex(r, m[1]))
  elsif (m = r.match(REGEX_STOP_IF))
    HttpRule.new('stop_if', parse_regex(r, m[1]), parse_regex(r, m[2]))
  elsif (m = r.match(REGEX_STOP_IF_FOUND))
    HttpRule.new('stop_if_found', parse_regex(r, m[1]), parse_regex_find(r, m[2]))
  elsif (m = r.match(REGEX_STOP_UNLESS))
    HttpRule.new('stop_unless', parse_regex(r, m[1]), parse_regex(r, m[2]))
  elsif (m = r.match(REGEX_STOP_UNLESS_FOUND))
    HttpRule.new('stop_unless_found', parse_regex(r, m[1]), parse_regex_find(r, m[2]))
  else
    raise RuntimeError.new("Invalid rule: #{r}")
  end
end

.standard_rules ⇒ Object 



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# File 'lib/resurfaceio/http_rules.rb', line 10

def self.standard_rules
  %q(/request_header:cookie|response_header:set-cookie/ remove
/(request|response)_body|request_param/ replace /[a-zA-Z0-9.!#$%&’*+\/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)/, /[email protected]/
/request_body|request_param|response_body/ replace /[0-9\.\-\/]{9,}/, /xyxy/
)
end

.strict_rules ⇒ Object 



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# File 'lib/resurfaceio/http_rules.rb', line 17

def self.strict_rules
  %q(/request_url/ replace /([^\?;]+).*/, !\\\\1!
/request_body|response_body|request_param:.*|request_header:(?!user-agent).*|response_header:(?!(content-length)|(content-type)).*/ remove
)
end