From: boo boo <s.w.timko@...>
Date: 2011-03-09T04:36:26+09:00
Subject: Re: http post and authorization header for twitter

7stud -- wrote in post #986255:
> boo boo wrote in post #986241:
>> Thanks for the reply! So i tried that code and got this error: "Failed
>> to validate oauth signature and token". Here is my code:
>>
>>  url = URI.parse("https://api.twitter.com/oauth/request_token")
>>   http = Net::HTTP.new(url.host, url.port)
>>   http.use_ssl = true
>>
>>   resp = http.post(url.path, nil, @headers)
>>
>>
>> Any ideas??
>
> No requires?

Sorry here is full source in my class:

require "oauth"

require "oauth/client"

require "cgi"

require "addressable/uri"

require 'base64'
require 'cgi'
require 'openssl'

require "net/http"
require "uri

class ProxyController

 def initialize

    @request_token_url = "https://api.twitter.com/oauth/request_token"
    @authorize_url = "https://api.twitter/oauth/authorize_token"
    @oauth_consumer_key = "MY KEY"
    @oauth_consumer_secret = "MY SECRET"

    @params = Addressable::URI.new

    @current_nonce = self.nonce
    @current_timestamp = self.timestamp.to_s

    @params.query_values = {"oauth_callback"=> "my callback url",
                            "oauth_consumer_key" => @oauth_consumer_key,
                            "oauth_nonce" => @current_nonce ,
                            "oauth_signature_method" => "HMAC-SHA1",
                            "oauth_timestamp" => @current_timestamp,
                            "oauth_version" => "1.0"}

    @params_string = @params.to_s
    @params_string[0] = ""

    @encoded_params = CGI::escape(@params_string)

    @concatenated_body = "POST&" + CGI::escape(@request_token_url) + "&" 
+ @encoded_params

    @oauth_signature = 
Base64.encode64("#{OpenSSL::HMAC.digest('sha1',@oauth_consumer_key+"&", 
@concatenated_body)}")

    @encoded_oauth_sig = CGI::escape(@oauth_signature)

    @encoded_callback = CGI::escape("My Callback url")


    @headers = { 'oauth_nonce' => @current_nonce,
                'oauth_callback' => @encoded_callback,
                'oauth_signature_method' => "HMAC-SHA1",
                'oauth_timestamp' => @current_timestamp,
                'oauth_consumer_key' => @oauth_consumer_key,
                'oauth_signature' => @encoded_oauth_sig,
                'oauth_version' => "1.0"}

  url = URI.parse("https://api.twitter.com/oauth/request_token")
  http = Net::HTTP.new(url.host, url.port)
  http.use_ssl = true

  @resp = http.post(url.path, nil, @headers)

  end

  def nonce
  (0...43).map{ ('a'..'z').to_a[rand(26)] }.join
  #rand(10 ** 43).to_s.rjust(43,'0')
  end

  def timestamp
  t = Time.now
  t.to_i
  end

end

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