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    <title>bxd602 (边雪冬)</title>
    <link>https://ruby-china.org/bxd602</link>
    <description></description>
    <language>en-us</language>
    <item>
      <title>关于 Omniauth 登录后的跳转问题</title>
      <description>&lt;p&gt;各网站可以正常登录，但是但是跳转怎么也不能跳回原路径&lt;/p&gt;

&lt;p&gt;我做的是自动登录，判断是微信浏览器，自动调用 weixin 的 Omniauth&lt;/p&gt;
&lt;pre class="highlight ruby"&gt;&lt;code&gt;&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;check_login&lt;/span&gt;
   &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="n"&gt;is_from_Weixin?&lt;/span&gt;
     &lt;span class="n"&gt;redirect_to&lt;/span&gt; &lt;span class="n"&gt;user_omniauth_authorize_path&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="ss"&gt;provider: :weixin&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
   &lt;span class="k"&gt;else&lt;/span&gt;
     &lt;span class="n"&gt;authenticate_user!&lt;/span&gt;
   &lt;span class="k"&gt;end&lt;/span&gt;
 &lt;span class="k"&gt;end&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;
&lt;p&gt;authenticate_user! 是可以跳转到原路径，是不是我还有什么没有设置&lt;/p&gt;

&lt;p&gt;求大神支招&lt;/p&gt;

&lt;p&gt;application_controller.rb 的 after_sign_in_path_for：&lt;/p&gt;
&lt;pre class="highlight ruby"&gt;&lt;code&gt;&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;after_sign_in_path_for&lt;/span&gt; &lt;span class="n"&gt;resource&lt;/span&gt;
    &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="n"&gt;resource&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;is_a?&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="no"&gt;User&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&amp;amp;&lt;/span&gt; &lt;span class="n"&gt;resource&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;respond_to?&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="ss"&gt;:blocked?&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="o"&gt;&amp;amp;&amp;amp;&lt;/span&gt; &lt;span class="n"&gt;resource&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;blocked?&lt;/span&gt;
      &lt;span class="n"&gt;sign_out&lt;/span&gt; &lt;span class="n"&gt;resource&lt;/span&gt;
      &lt;span class="n"&gt;flash&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="ss"&gt;:alert&lt;/span&gt;&lt;span class="p"&gt;]&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="s2"&gt;"Your account is blocked. Retry when an admin has unblocked it."&lt;/span&gt;
      &lt;span class="n"&gt;new_user_session_path&lt;/span&gt;
    &lt;span class="k"&gt;else&lt;/span&gt;
       &lt;span class="n"&gt;request&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;env&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="s1"&gt;'omniauth.origin'&lt;/span&gt;&lt;span class="p"&gt;]&lt;/span&gt; &lt;span class="o"&gt;||&lt;/span&gt; &lt;span class="n"&gt;stored_location_for&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;resource&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="o"&gt;||&lt;/span&gt; &lt;span class="n"&gt;root_path&lt;/span&gt;
    &lt;span class="k"&gt;end&lt;/span&gt;
 &lt;span class="k"&gt;end&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;
&lt;p&gt;在 app/controller 增加了 omniauth_callbacks_controller.rb&lt;/p&gt;
&lt;pre class="highlight ruby"&gt;&lt;code&gt;&lt;span class="k"&gt;class&lt;/span&gt; &lt;span class="nc"&gt;OmniauthCallbacksController&lt;/span&gt; &lt;span class="o"&gt;&amp;lt;&lt;/span&gt; &lt;span class="no"&gt;Devise&lt;/span&gt;&lt;span class="o"&gt;::&lt;/span&gt;&lt;span class="no"&gt;OmniauthCallbacksController&lt;/span&gt;
  &lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;weixin&lt;/span&gt;
    &lt;span class="vi"&gt;@user&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="no"&gt;User&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;find_for_oauth_user&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;request&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;env&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="s2"&gt;"omniauth.auth"&lt;/span&gt;&lt;span class="p"&gt;],&lt;/span&gt; &lt;span class="n"&gt;current_user&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
    &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="vi"&gt;@user&lt;/span&gt;
      &lt;span class="n"&gt;sign_in_and_redirect&lt;/span&gt; &lt;span class="vi"&gt;@user&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="ss"&gt;:event&lt;/span&gt; &lt;span class="o"&gt;=&amp;gt;&lt;/span&gt; &lt;span class="ss"&gt;:authentication&lt;/span&gt;
    &lt;span class="k"&gt;else&lt;/span&gt;
      &lt;span class="n"&gt;session&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="s2"&gt;"devise.weixin_data"&lt;/span&gt;&lt;span class="p"&gt;]&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;request&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;env&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="s2"&gt;"omniauth.auth"&lt;/span&gt;&lt;span class="p"&gt;]&lt;/span&gt;
      &lt;span class="n"&gt;redirect_to&lt;/span&gt; &lt;span class="n"&gt;new_user_registration_url&lt;/span&gt;
    &lt;span class="k"&gt;end&lt;/span&gt;
  &lt;span class="k"&gt;end&lt;/span&gt;
&lt;span class="k"&gt;end&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;</description>
      <author>bxd602</author>
      <pubDate>Mon, 02 Feb 2015 16:38:00 +0800</pubDate>
      <link>https://ruby-china.org/topics/24068</link>
      <guid>https://ruby-china.org/topics/24068</guid>
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