如何解决如何阻止设计尝试重定向到 /users/sign_in 以获取 API 请求?
在我的 React 前端,我有一个 API 请求,它通过 axios 库发送到我的 ruby on rails 后端:
Axios({
url: "/terms",headers: {
'Authorization': token
}
}).then((response) => {
console.log(response.request)
setActiveSet(response.data)
setActiveSetIndex(0)
}).catch((error) => {
console.log(error)
})
执行上述请求时,我在后端日志(ruby on rails)中看到以下响应链:
Started GET "/terms" for 192.168.1.119 at 2021-01-05 13:54:02 -0700
Cannot render console from 192.168.1.119! Allowed networks: 127.0.0.0/127.255.255.255,::1
Processing by TermsController#index as HTML
Completed 401 Unauthorized in 0ms (ActiveRecord: 0.0ms | Allocations: 491)
Started GET "/users/sign_in" for 192.168.1.119 at 2021-01-05 13:54:02 -0700
Cannot render console from 192.168.1.119! Allowed networks: 127.0.0.0/127.255.255.255,::1
Processing by Devise::SessionsController#new as JSON
Completed 200 OK in 1ms (Views: 0.2ms | ActiveRecord: 0.0ms | Allocations: 907)
Started GET "/terms" for 192.168.1.119 at 2021-01-05 13:54:02 -0700
Cannot render console from 192.168.1.119! Allowed networks: 127.0.0.0/127.255.255.255,::1
Processing by TermsController#index as HTML
Completed 401 Unauthorized in 1ms (ActiveRecord: 0.0ms | Allocations: 491)
Started GET "/users/sign_in" for 192.168.1.119 at 2021-01-05 13:54:02 -0700
Cannot render console from 192.168.1.119! Allowed networks: 127.0.0.0/127.255.255.255,::1
Processing by Devise::SessionsController#new as JSON
Completed 200 OK in 1ms (Views: 0.2ms | ActiveRecord: 0.0ms | Allocations: 905)
永远不会调用 .catch
块。当我查看回复时,我看到 2 个成功的 200 个回复。 401 响应不会显示在前端。
我正在尝试捕获 401 状态代码,然后通过我的 React 前端向用户显示登录表单。后端(设计 gem)试图将我重定向到 /users/sign_in,这不是我想要发生的。我只想要一个 401,以便我的 React 应用程序可以显示自己的登录表单,但由于我不知道的原因,axios 只显示具有 200 个状态的响应。
解决方法
您可以通过更改 failure app 来修改身份验证失败时的响应:
module MyNamespace
class FailureApp < Devise::FailureApp
def respond
request.format.json? ? api_response : super
end
private
def api_response
self.status = 401
self.content_type = 'application/json'
# optional - send a message in the response body
# response.body = { error: i18n_message }.to_json
end
end
end
# add to config/initializers/devise.rb
config.warden do |manager|
manager.failure_app = MyNamespace::FailureApp
end
失败应用只是一个基于 ActionController::Metal 构建的基本 Rack 应用,当 Warden 抛出时(用户身份验证失败时)会调用该应用。
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