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Merge pull request #2021 from cyberark/integrate-12.0
Integrate 12.0 Release Branch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 1.11.1 | ||
| 1.11.2 |
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107 changes: 107 additions & 0 deletions
107
app/domain/authentication/authn_k8s/web_socket_client.rb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| ## This code is based on github.com/shokai/websocket-client-simple (MIT License) | ||
|
|
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| require "event_emitter" | ||
| require 'websocket' | ||
|
|
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| # Utility class for processing WebSocket messages. | ||
| module Authentication | ||
| module AuthnK8s | ||
| class WebSocketClient | ||
| include EventEmitter | ||
| attr_reader :url, :handshake | ||
|
|
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| def self.connect(url, options = {}) | ||
| client = WebSocketClient.new | ||
| yield client if block_given? | ||
| client.connect url, options | ||
| return client | ||
| end | ||
|
|
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| def connect(url, options = {}) | ||
| return if @socket | ||
| @url = url | ||
| uri = URI.parse url | ||
| @socket = TCPSocket.new(uri.host, | ||
| uri.port || (uri.scheme == 'wss' ? 443 : 80)) | ||
| if ['https', 'wss'].include? uri.scheme | ||
| ctx = OpenSSL::SSL::SSLContext.new | ||
| ctx.ssl_version = options[:ssl_version] || 'SSLv23' | ||
| ctx.verify_mode = options[:verify_mode] || OpenSSL::SSL::VERIFY_NONE #use VERIFY_PEER for verification | ||
| cert_store = options[:cert_store] | ||
| unless cert_store | ||
| cert_store = OpenSSL::X509::Store.new | ||
| cert_store.set_default_paths | ||
| end | ||
| ctx.cert_store = cert_store | ||
| @socket = ::OpenSSL::SSL::SSLSocket.new(@socket, ctx) | ||
| @socket.connect | ||
| end | ||
| @handshake = ::WebSocket::Handshake::Client.new :url => url, :headers => options[:headers] | ||
| @handshaked = false | ||
| @pipe_broken = false | ||
| frame = ::WebSocket::Frame::Incoming::Client.new | ||
| @closed = false | ||
| once :__close do |err| | ||
| close | ||
| emit :close, err | ||
| end | ||
|
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| @thread = Thread.new do | ||
| while !@closed do | ||
| begin | ||
| unless recv_data = @socket.getc | ||
| sleep 1 | ||
| next | ||
| end | ||
| unless @handshaked | ||
| @handshake << recv_data | ||
| if @handshake.finished? | ||
| @handshaked = true | ||
| emit :open | ||
| end | ||
| else | ||
| frame << recv_data | ||
| while msg = frame.next | ||
| emit :message, msg | ||
| end | ||
| end | ||
| rescue => e | ||
| emit :error, e | ||
| end | ||
| end | ||
| end | ||
|
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| @socket.write @handshake.to_s | ||
| end | ||
|
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| def send(data, opt = { :type => :text }) | ||
| return if !@handshaked or @closed | ||
| type = opt[:type] | ||
| frame = ::WebSocket::Frame::Outgoing::Client.new(:data => data, :type => type, :version => @handshake.version) | ||
| begin | ||
| @socket.write frame.to_s | ||
| rescue Errno::EPIPE => e | ||
| @pipe_broken = true | ||
| emit :__close, e | ||
| end | ||
| end | ||
|
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| def close | ||
| return if @closed | ||
| if !@pipe_broken | ||
| send nil, :type => :close | ||
| end | ||
| @closed = true | ||
| @socket.close if @socket | ||
| @socket = nil | ||
| emit :__close | ||
| Thread.kill @thread if @thread | ||
| end | ||
|
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||
| def open? | ||
| @handshake.finished? and !@closed | ||
| end | ||
|
|
||
| end | ||
| end | ||
| end |
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