10000 Add Digest HTTP Authentication with Basic Auth Fallback by derhelge · Pull Request #3074 · ytti/oxidized · GitHub
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Add Digest HTTP Authentication with Basic Auth Fallback #3074

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merged 1 commit into from
Feb 19, 2024
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Add Digest HTTP Authentication with Basic Auth Fallback #3074

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38 changes: 31 additions & 7 deletions lib/oxidized/input/http.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -49,17 +49,41 @@ def cmd_str(string)
def get_http(path)
schema = @secure ? "https://" : "http://"
uri = URI("#{schema}#{@node.ip}#{path}")
req = Net::HTTP::Get.new(uri)
req.basic_auth @username, @password unless @username.nil?
@headers.each do |header, value|
req.add_field(header, value)
end

Oxidized.logger.debug "Making request to: #{uri}"

ssl_verify = Oxidized.config.input.http.ssl_verify? ? OpenSSL::SSL::VERIFY_PEER : OpenSSL::SSL::VERIFY_NONE
res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https", verify_mode: ssl_verify) do |http|
http.request(req)

res = make_request(uri, ssl_verify)

if res.code == '401' && res['www-authenticate'].include?('Digest')
uri.user = @username
uri.password = @password
Oxidized.logger.debug "Server requires Digest authentication"
auth = Net::HTTP::DigestAuth.new.auth_header(uri, res['www-authenticate'], 'GET')

res = make_request(uri, ssl_verify, 'Authorization' => auth)
elsif @username && @password
Oxidized.logger.debug "Falling back to Basic authentication"
res = make_request(uri, ssl_verify, 'Authorization' => basic_auth_header)
end

Oxidized.logger.debug "Response code: #{res.code}"
res.body
end

def make_request(uri, ssl_verify, extra_headers = {})
Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https", verify_mode: ssl_verify) do |http|
req = Net::HTTP::Get.new(uri)
@headers.merge(extra_headers).each { |header, value| req.add_field(header, value) }
Oxidized.logger.debug "Sending request with headers: #{@headers.merge(extra_headers)}"
http.request(req)
end
end

def basic_auth_header
"Basic " + ["#{@username}:#{@password}"].pack('m').delete("\r\n")
end

def log(str)
@log&.write(str)
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