Module: Aliyun::Vms

Defined in:
lib/aliyun/vms.rb,
lib/aliyun/vms/version.rb

Defined Under Namespace

Classes: Configuration

Constant Summary collapse

VERSION = 
"0.0.3"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.configuration ⇒ Object 



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# File 'lib/aliyun/vms.rb', line 31

def configuration
  @configuration ||= Configuration.new
end

Class Method Details

.canonicalized_query_string(params) ⇒ Object 



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# File 'lib/aliyun/vms.rb', line 74

def canonicalized_query_string(params)
  cqstring = ''
  params.sort_by{|key, val| key}.each do |key, value|
    if cqstring.empty?
      cqstring += "#{encode(key)}=#{encode(value)}"
    else
      cqstring += "&#{encode(key)}=#{encode(value)}"
    end
  end
  cqstring
end

.config_params ⇒ Object 



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# File 'lib/aliyun/vms.rb', line 62

def config_params()
  params ={
    'AccessKeyId' => configuration.access_key_id,
    'Action' => configuration.action,
    'Format' => configuration.format,
    'RegionId' => configuration.region_id,
    'SignatureMethod' => configuration.signature_method,
    'SignatureVersion' => configuration.signature_version,
    'Version' => configuration.version
  }
end

.configure {|configuration| ... } ⇒ Object

Yields:



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# File 'lib/aliyun/vms.rb', line 35

def configure
  yield(configuration)
end

.encode(input) ⇒ Object

对字符串进行 PERCENT 编码



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# File 'lib/aliyun/vms.rb', line 95

def encode(input)
  output = url_encode(input)
end

.get_params(user_params) ⇒ Object 



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# File 'lib/aliyun/vms.rb', line 58

def get_params(user_params)
  params = config_params.merge(user_params)
end

.get_url(user_params) ⇒ Object 



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# File 'lib/aliyun/vms.rb', line 51

def get_url(user_params)
  params = get_params(user_params)
  coded_params = canonicalized_query_string(params)
  key_secret = configuration.access_key_secret
  url = 'http://dyvmsapi.aliyuncs.com/?' + 'Signature=' + sign(key_secret, coded_params) + '&' + coded_params
end

.seed_signature_nonce ⇒ Object

生成每次请求唯一的防重放攻击，



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# File 'lib/aliyun/vms.rb', line 105

def seed_signature_nonce
  # Time.now.utc.strftime("%Y%m%d%H%M%S%L")
  SecureRandom.uuid
end

.seed_timestamp ⇒ Object

生成语音时间戳



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# File 'lib/aliyun/vms.rb', line 100

def seed_timestamp
  Time.now.utc.strftime("%FT%TZ")
end

.send(called_show_number, called_number, tts_code, tts_param, out_id = '') ⇒ Object 



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# File 'lib/aliyun/vms.rb', line 39

def send(called_show_number, called_number, tts_code, tts_param, out_id = '')
  Typhoeus.get(get_url({
    'CalledShowNumber' => called_show_number,
    'CalledNumber' => called_number,
    'TtsCode' => tts_code,
    'TtsParam' => tts_param,
    'OutId'	=> out_id,
    'SignatureNonce' => seed_signature_nonce,
    'Timestamp' => seed_timestamp
    }))
end

.sign(key_secret, coded_params) ⇒ Object

生成数字签名



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# File 'lib/aliyun/vms.rb', line 87

def sign(key_secret, coded_params)
  key = key_secret + '&'
  signature = 'GET' + '&' + encode('/') + '&' +  encode(coded_params)
  sign = Base64.encode64("#{OpenSSL::HMAC.digest('sha1', key, signature)}")
  encode(sign.chomp)  # 通过chomp去掉最后的换行符 LF
end

.test_query_string(params) ⇒ Object

测试参数未编码时生成的字符串是否正确（多一道保险）



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# File 'lib/aliyun/vms.rb', line 111

def test_query_string(params)
  qstring = ''
  params.sort_by{|key, val| key}.each do |key, value|
    if qstring.empty?
      qstring += "#{key}=#{value}"
    else
      qstring += "&#{key}=#{value}"
    end
  end
  qstring
end