Class: Utils::Weixin

Inherits:
Object
  • Object
show all
Defined in:
lib/utils/weixin.rb

Constant Summary collapse

@@ticket_list = 
{}
@@access_token_list = 
{}
@@oauth2_access_token_list = 
{}

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.app_id ⇒ Object

Returns the value of attribute app_id.



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# File 'lib/utils/weixin.rb', line 8

def app_id
  @app_id
end

.app_secret ⇒ Object

Returns the value of attribute app_secret.



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# File 'lib/utils/weixin.rb', line 8

def app_secret
  @app_secret
end

.mch_id ⇒ Object

Returns the value of attribute mch_id.



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# File 'lib/utils/weixin.rb', line 8

def mch_id
  @mch_id
end

.oauth2_state ⇒ Object

Returns the value of attribute oauth2_state.



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# File 'lib/utils/weixin.rb', line 8

def oauth2_state
  @oauth2_state
end

.pay_sign_key ⇒ Object

Returns the value of attribute pay_sign_key.



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# File 'lib/utils/weixin.rb', line 8

def pay_sign_key
  @pay_sign_key
end

Class Method Details

.api_sign(sign_params = {}, sign_type = 'SHA1') ⇒ Object

sign_string :appid, :appkey, :noncestr, :package, :timestamp



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# File 'lib/utils/weixin.rb', line 241

def self.api_sign(sign_params = {},sign_type = 'SHA1')
  #logger.debug(sign_params)
  result_string = ''
  sign_params = sign_params.sort
  sign_params.each{|key,value|
    result_string += (key.to_s + '=' + value.to_s + '&')
  }
  result_string = result_string[0, result_string.length - 1]#去掉多余的&号
  logger.debug(result_string)    
  sign = Digest::MD5.hexdigest(result_string).upcase if sign_type == 'MD5'
  sign = Digest::SHA1.hexdigest(result_string) if sign_type == 'SHA1'
  sign
end

.get_access_token(app_id = nil, app_secret = nil) ⇒ Object

获取基础access_token



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# File 'lib/utils/weixin.rb', line 143

def self.get_access_token(app_id=nil,app_secret=nil)
   app_id = Utils::Weixin.app_id if app_id.nil?
   app_secret = Utils::Weixin.app_secret if app_secret.nil?
   cache = @@access_token_list[app_id]

   token = nil
   logger.debug("Utils::Weixin.get_access_token,cache access_token:"+cache.to_s)      
   if cache.nil? || cache[:expire_time].nil? || 
                    cache[:expire_time] - 600 < Time.now.to_i
      #提前十分钟过期，避免时间不同步导致时间差异

     url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+
           app_id.to_s + "&secret=" + app_secret.to_s 
     result =JSON.parse(Net::HTTP.get(URI.parse(url)))
     logger.debug("get access_token result :"+result.to_s)
     if result['access_token']
       cache = {} if cache.nil?
       cache[:access_token] = result['access_token']
       cache[:expire_time] = Time.now.to_i + result['expires_in'].to_i
       token =  cache[:access_token]
       @@access_token_list[app_id] = cache # 更新缓存
       logger.debug("Utils::Weixin.get_access_token,access_token is update:"+cache[:access_token])
     else
       logger.error('Utils::Weixin.get_access_token,获取access_token出错:' + result['errmsg'].to_s)
     end
  else
     token =  cache[:access_token]
  end
  return token
end

.get_oauth2_access_token(code, app_id = nil, app_secret = nil) ⇒ Object 



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# File 'lib/utils/weixin.rb', line 46

def self.get_oauth2_access_token(code,app_id=nil,app_secret=nil)
   app_id = Utils::Weixin.app_id if app_id.nil?
   app_secret = Utils::Weixin.app_secret if app_secret.nil?
   cache = @@oauth2_access_token_list[app_id]

   token = nil
   logger.debug("Utils::Weixin.get_access_token,cache access_token:"+cache.to_s)      
   if cache.nil? || cache[:expire_time].nil? || 
                    cache[:expire_time] - 600 < Time.now.to_i
      #提前十分钟过期，避免时间不同步导致时间差异

     return if code.blank? # 首次调用code为空时直接返回
 
     url = "https://api.weixin.qq.com/sns/oauth2/access_token"
     url += "?appid=" + app_id
     url += "&secret=" + app_secret
     url += "&code=" + code
     url += "&grant_type=authorization_code"

     conn = Faraday.new(:url => url,headers: { accept_encoding: 'none' })
     result = JSON.parse conn.get.body
     logger.debug("get oauth2_access_token result :"+result.to_s)
     if result['access_token']
       cache = {} if cache.nil?
       cache[:access_token] = result['access_token']
       cache[:expire_time] = Time.now.to_i + result['expires_in'].to_i
       token =  cache[:access_token]
       @@oauth2_access_token_list[app_id] = cache # 更新缓存
       logger.debug("Utils::Weixin.get_oauth2_access_token,access_token is update:"+cache[:access_token])
     else
       logger.error('Utils::Weixin.get_oauth2_access_token,获取access_token出错:' + result['errmsg'].to_s)
     end
  else
     token =  cache[:access_token]
  end
  return token       
end

.get_oauth2_url(redirect_uri, auth_type = "snsapi_userinfo", app_id = nil) ⇒ Object

获取oauth2 url



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# File 'lib/utils/weixin.rb', line 34

def self.get_oauth2_url(redirect_uri,auth_type="snsapi_userinfo",app_id=nil)
   app_id = Utils::Weixin.app_id if app_id.nil?
   redirect_uri = CGI::escape(redirect_uri)
   
   state = 'oauth2'
   state = Utils::Weixin.oauth2_state if Utils::Weixin.respond_to?('oauth2_state')  
   url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + 
         "appid=" + app_id + "&redirect_uri=" + redirect_uri + "&response_type=code" + 
         "&scope=" + auth_type + "&state=" + state + "#wechat_redirect"
   return url     
end

.get_openid(code, app_id = nil, app_secret = nil) ⇒ Object

获取opendid，用于snsapi_base授权



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# File 'lib/utils/weixin.rb', line 85

def self.get_openid(code,app_id=nil,app_secret=nil)
   openid,access_token = Utils::Weixin.get_openid_and_access_token(code,app_id,app_secret)
   return openid      
end

.get_openid_and_access_token(code, app_id = nil, app_secret = nil) ⇒ Object

同时获取openid和access_token,用于snsapi_userinfo授权



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# File 'lib/utils/weixin.rb', line 90

def self.get_openid_and_access_token(code,app_id=nil,app_secret=nil)
   app_id = Utils::Weixin.app_id if app_id.nil?
   app_secret = Utils::Weixin.app_secret if app_secret.nil?
   path = "/sns/oauth2/access_token?appid=" + app_id + "&secret=" + app_secret + 
           "&code=" + code + "&grant_type=authorization_code"
   uri = URI.parse("https://api.weixin.qq.com/")
   http = Net::HTTP.new(uri.host, uri.port)
   http.use_ssl = true
   http.verify_mode = OpenSSL::SSL::VERIFY_NONE
   request = Net::HTTP::Get.new(path)
   request.add_field('Content-Type', 'application/json')
   response = http.request(request)        
   result = JSON.parse(response.body)
   logger.error("Utils::Weixin.get_openid fail,result:"+result.to_s) if result["openid"].blank?
   openid = access_token = nil
   openid = result["openid"] if result["openid"]
   access_token = result["access_token"] if result["access_token"]
   return openid,access_token      
end

.get_ticket(type = "jsapi", access_token = "", app_id = nil, app_secret = nil) ⇒ Object 



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# File 'lib/utils/weixin.rb', line 174

def self.get_ticket(type="jsapi",access_token="",app_id=nil,app_secret=nil)
    access_token = get_access_token(app_id,app_secret) if access_token.blank?
    key = access_token.to_s + "_" + type
    cache = @@ticket_list[key]
    ticket = nil
    logger.debug("Utils::Weixin.get_ticket,cache ticket:"+cache.to_s)      
    if cache.nil? || cache[:expire_time].nil? || 
                     cache[:expire_time] - 600 < Time.now.to_i
       #提前十分钟过期，避免时间不同步导致时间差异
      url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + access_token.to_s +
            "&type=" + type.to_s
      result =JSON.parse(Net::HTTP.get(URI.parse(url)))
      logger.debug("get get_ticket result :"+result.to_s)
      if result['ticket']
        cache = {} if cache.nil?
        cache[:ticket] = result['ticket']
        cache[:expire_time] = Time.now.to_i + result['expires_in'].to_i
        ticket =  cache[:ticket]
        @@ticket_list[key] = cache # 更新缓存
        logger.debug("Utils::Weixin.get_ticket,ticket is update:" + cache[:ticket].to_s)
      else
        logger.error('Utils::Weixin.get_ticket,获取ticket出错:' + result['errmsg'].to_s)
      end
   else
      ticket =  cache[:ticket]
   end
   return ticket
end

.get_userinfo(openid, app_id = nil, app_secret = nil) ⇒ Object

获取用户信息（仅对关注者有效）



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# File 'lib/utils/weixin.rb', line 128

def self.get_userinfo(openid,app_id=nil,app_secret=nil)
  app_id = Utils::Weixin.app_id if app_id.nil?
  app_secret = Utils::Weixin.app_secret if app_secret.nil?
  access_token = get_access_token(app_id,app_secret)
  url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=" + access_token + 
        "&openid=" + openid + "&lang=zh_CN"
  conn = Faraday.new(:url => url)
  result = JSON.parse conn.get.body 
  if result["errmsg"]
     logger.error("Utils::Weixin.get_userinfo of "+ openid.to_s + " error:" + result["errmsg"]) 
  end
  result
end

.get_userinfo_by_auth(access_token, openid) ⇒ Object 



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# File 'lib/utils/weixin.rb', line 115

def self.get_userinfo_by_auth(access_token,openid)
  url = "https://api.weixin.qq.com/sns/userinfo?access_token=" + access_token.to_s + 
        "&openid=" + openid.to_s + "&lang=zh_CN"
  conn = Faraday.new(:url => url)
  result = JSON.parse conn.get.body 
  if result["errmsg"]
     logger.error("Utils::Weixin.get_userinfo_by_auth of openid: "+ openid.to_s + 
                  ",access_token:" + access_token.to_s + ", error:" + result["errmsg"]) 
  end
  result
end

.get_userinfo_by_authcode(code, app_id = nil, app_secret = nil) ⇒ Object

通过网页授权获取用户信息（无须关注公众号）



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# File 'lib/utils/weixin.rb', line 111

def self.get_userinfo_by_authcode(code,app_id=nil,app_secret=nil)  
   openid,access_token = get_openid_and_access_token(code,app_id,app_secret)
  return get_userinfo_by_auth(access_token,openid)
end

.logger ⇒ Object

定义logger



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# File 'lib/utils/weixin.rb', line 12

def self.logger
  Rails.logger
end

.pay_sign(sign_params = {}, sign_type = 'SHA1') ⇒ Object

兼容老接口



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# File 'lib/utils/weixin.rb', line 255

def self.pay_sign(sign_params = {},sign_type = 'SHA1')      
    api_sign(sign_params,sign_type)
end

.post_data(data, path) ⇒ Object

提交数据



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# File 'lib/utils/weixin.rb', line 17

def self.post_data(data,path)
   logger.debug("data:"+ JSON.parse(data).to_s) 
   uri = URI.parse("https://api.weixin.qq.com/")
   http = Net::HTTP.new(uri.host, uri.port)
   http.use_ssl = true
   http.verify_mode = OpenSSL::SSL::VERIFY_NONE
   request = Net::HTTP::Post.new(path)
   request.add_field('Content-Type', 'application/json')
   request.body = data
   response = http.request(request)
   
   result = JSON.parse(response.body)
   logger.debug("result:"+result.to_s) 
   return result
end

.send_customer_message(to_openid, message, app_id = nil, app_secret = nil) ⇒ Object

发送客服消息



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# File 'lib/utils/weixin.rb', line 204

def self.send_customer_message(to_openid,message,app_id=nil,app_secret=nil)
  app_id = Utils::Weixin.app_id if app_id.nil?
  app_secret = Utils::Weixin.app_secret if app_secret.nil?
  access_token = get_access_token(app_id,app_secret)
  data = '{"touser":"'+ to_openid +'" , "msgtype": "text", "text": {"content": "' + 
           message + '"}}'                              
  path = '/cgi-bin/message/custom/send?access_token=' + access_token
  result = post_data(data,path)
  if result["errcode"] != 0
     logger.error("Utils::Weixin.send_customer_message to :"+to_openid + " result:" + result["errmsg"]) 
  end
end

.send_template_message(to_openid, template_id, message, url = '', top_color = '#FF0000', value_color = '#173177', app_id = nil, app_secret = nil) ⇒ Object

发送模板消息



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# File 'lib/utils/weixin.rb', line 218

def self.send_template_message(to_openid,template_id,message,url='',top_color='#FF0000',value_color='#173177',
                               app_id=nil,app_secret=nil)
  app_id = Utils::Weixin.app_id if app_id.nil?
  app_secret = Utils::Weixin.app_secret if app_secret.nil?
  access_token = get_access_token(app_id,app_secret)

  data = '{"touser":"'+ to_openid +'","template_id":"' + template_id +'","url":"' + url  + '",' +
          '"topcolor":"' + top_color + '","data":{'
  message.each do |m_k,m_v|
     data += '"' + m_k + '":{"value":"' + m_v + '","color":"' + value_color + '"},'         
  end
  data.chop! if data.end_with?(',')
  data += '}}'                 
  logger.debug("send_template_message data:" + data)         
  path = '/cgi-bin/message/template/send?access_token=' + access_token
  result = post_data(data,path)
  if result["errcode"] != 0
     logger.error("Utils::Weixin.send_template_message to :"+to_openid + " result:" + result["errmsg"]) 
  end
end