trustieforge/app/controllers/oschina_controller.rb

#coding=utf-8
#
class OschinaController < ApplicationController

  CLIENT_ID = 'e5da9855f89bc724a335d100cb63cf02a03a592bd3151bbc84acf7b2e222ddb8'
  CLIENT_SECRET = '4f2f291fac1d3dae338c18a3e3544814be5a1c4ade9e72d62f45ceab914c89f5'
  ROOT_URl = Redmine::Configuration['oschina_oauth_cburl'] || 'https://www.trustie.net'
  OSCHINA_URL = 'https://gitee.com'

  def login
    # 根据session，看看有没有存access_token，去刷新下。
    # 1. 如果过期，则跳转
    # 2. 未过期，直接用

    redirect_to "#{OSCHINA_URL}/oauth/authorize?client_id=#{CLIENT_ID}&redirect_uri=#{ROOT_URl}/oschina/login_cb&response_type=code"
  end

  def login_callback
    #获取code
    #
    #
    logger.debug params
    url =  "#{OSCHINA_URL}/oauth/token?grant_type=authorization_code"+
        "&code=#{params[:code]}&client_id=#{CLIENT_ID}&redirect_uri=#{ROOT_URl}/oschina/login_cb&client_secret=#{CLIENT_SECRET}"

    res = post(url)
    logger.debug res

    body = decode(res)
    #{"access_token":"21a80f20ff736b54aecd002b60210943","token_type":"bearer","expires_in":86400,"refresh_token":"be92e2c137a8c6dd22f0d8c4a622b3aeceb054087a95d293130f04ec60fd3e3f","scope":"user_info","created_at":1542684088}
    raise '登录失败' unless body["access_token"]

    #获取此用户信息
    res = get("#{OSCHINA_URL}/api/v5/user?access_token=#{body["access_token"]}")
    logger.debug res
    info = decode(res)

    oschina = Oschina.find_by_oschina_id(info["id"])
    unless oschina
      #新建用户
      ActiveRecord::Base.transaction do
        user = User.create_with_oschina!(info)
        oschina = Oschina.create_with_info!(info, user)
      end
    end

    self.logged_user = oschina.user

    user = UserExtensions.where(:user_id => User.current.id).first
    if user.gender.nil? || user.school_id.nil? || User.current.lastname.nil?
      redirect_to my_account_path
    elsif user.identity == 3 && user.school_id.nil?
      redirect_to my_account_path
    else
      redirect_to User.current
    end

  end


  private
  include Trustie::Http

end