Module: Wechat::Utils

Defined in:
lib/wechat/utils.rb,
lib/wechat/utils/version.rb

Constant Summary collapse

VERSION = 
'0.2.0'

Class Method Summary collapse

Class Method Details

.create_oauth_url_for_code(app_id, redirect_url, more_info = false, state = nil) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 10

def create_oauth_url_for_code app_id, redirect_url, more_info = false, state=nil
  common_parts = {
    appid: app_id,
    redirect_uri: CGI::escape(redirect_url),
    response_type: 'code',
    scope: more_info ? 'snsapi_userinfo' : 'snsapi_base',
    state: state
  }
  "https://open.weixin.qq.com/connect/oauth2/authorize?#{hash_to_query common_parts}#wechat_redirect"
end

.create_oauth_url_for_openid(app_id, app_secret, code) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 21

def create_oauth_url_for_openid app_id, app_secret, code
  query_parts = {
    appid: app_id,
    secret: app_secret,
    code: code,
    grant_type: 'authorization_code'
  }
  "https://api.weixin.qq.com/sns/oauth2/access_token?#{hash_to_query query_parts}"
end

.fetch_global_access_token(appid, secret, request_opts: {}) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 64

def fetch_global_access_token appid, secret, request_opts: {}
  response = get_request "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=#{appid}&secret=#{secret}", request_opts
  return response['access_token'], response
end

.fetch_jsapi_ticket(access_token, request_opts: {}) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 59

def fetch_jsapi_ticket access_token, request_opts: {}
  response = get_request "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=#{access_token}&type=jsapi", request_opts
  return response['ticket'], response
end

.fetch_oauth_user_info(access_token, openid, request_opts: {}) ⇒ Object

access_token is get from oauth



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# File 'lib/wechat/utils.rb', line 38

def  access_token, openid, request_opts: {}
  get_request "https://api.weixin.qq.com/sns/userinfo?access_token=#{access_token}&openid=#{openid}&lang=zh_CN", request_opts
end

.fetch_openid_and_access_token(app_id, app_secret, code, request_opts: {}) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 31

def fetch_openid_and_access_token app_id, app_secret, code, request_opts: {}
  url = create_oauth_url_for_openid app_id, app_secret, code
  response = get_request url, request_opts
  return response['openid'], response['access_token'], response
end

.fetch_user_info(access_token, openid, request_opts: {}) ⇒ Object

access_token is the global token



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# File 'lib/wechat/utils.rb', line 43

def  access_token, openid, request_opts: {}
  get_request "https://api.weixin.qq.com/cgi-bin/user/info?access_token=#{access_token}&openid=#{openid}&lang=zh_CN", request_opts
end

.get_request(url, extra_opts) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 47

def get_request url, extra_opts
  request_opts = {
    :url => url,
    :verify_ssl => false,
    :ssl_version => 'TLSv1',
    :method => 'GET',
    :headers => false,
    :timeout => 30
  }.merge(extra_opts)
  JSON.parse RestClient::Request.execute(request_opts).body
end

.jsapi_params(appid, url, jsapi_ticket) ⇒ Object 



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# File 'lib/wechat/utils.rb', line 69

def jsapi_params appid, url, jsapi_ticket
  timestamp = Time.now.to_i
  noncestr = SecureRandom.urlsafe_base64(12)
  signature = sign_params timestamp: timestamp, noncestr: noncestr, jsapi_ticket: jsapi_ticket, url: url
  {
    appid: appid,
    timestamp: timestamp,
    noncestr: noncestr,
    signature: signature,
    url: url
  }
end