如何自定义生成的令牌的长度：token_authenticatable in devise - Rails 3？ [英] How do I customize the length of the token generated in :token_authenticatable in devise - Rails 3?

问题描述

我生成的令牌似乎是大约20个字符，我如何将长度更改为别的东西？

My token generated seems to be about 20 characters, how do I change the length to something else ?

我查看了 devise.rb 文件，并尝试两者：

I checked the devise.rb file and tried both:

config.token_authentication_key = :access_key    
config.token_authenticatable.length = 40

产生了此错误：

config/initializers/devise.rb:110:in `block in <top (required)>': undefined method `token_authenticatable' for Devise:Module (NoMethodError)

和

config.token_authentication_key = :access_key
config.token_authentication_key.length = 40

产生了此错误：

/config/initializers/devise.rb:110:in `block in <top (required)>': undefined method `length=' for :access_key:Symbol (NoMethodError)

当我尝试运行 安慰。

and both gave me errors when I tried to run the console.

有没有这样做？

推荐答案

提供设置此令牌长度的功能。您将必须覆盖模型上的 generate_token 方法，以更改此令牌的结果。

Devise does not provide a functionality to set the length of this token. You would have to override the generate_token method on your model to change the outcome of this token.

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