rails-activestorage

问题 How can i get url of my has_one model attachment stored in active storage in my rails controller. So, that I would be able to send it as full link as api in json. So far, I have tried following methods but each of them are giving various issues: 1) current_user.image.service_url ---- undefined method `service_url' for # 2) Rails.application.routes.url_helpers.rails_disk_blob_path(current_user.image, only_path: true) , it gives me an output like: "/rails/blobs/%23%3CActiveStorage::Attached:

问题 How can i get url of my has_one model attachment stored in active storage in my rails controller. So, that I would be able to send it as full link as api in json. So far, I have tried following methods but each of them are giving various issues: 1) current_user.image.service_url ---- undefined method `service_url' for # 2) Rails.application.routes.url_helpers.rails_disk_blob_path(current_user.image, only_path: true) , it gives me an output like: "/rails/blobs/%23%3CActiveStorage::Attached:

问题 I have a problem with Rails API app active storage. I have React from where i want to upload file. import React from "react"; import {DirectUpload} from "activestorage"; class SignIn extends React.Component { constructor(props) { super(props); this.state = { file: null }; this.handleFileChange = this.handleFileChange.bind(this); this.handleFileSubmit = this.handleFileSubmit.bind(this); } handleFileChange(e){ this.setState({file: e.target.files[0]}) } handleFileSubmit(){ const upload = new

问题 I have a problem with Rails API app active storage. I have React from where i want to upload file. import React from "react"; import {DirectUpload} from "activestorage"; class SignIn extends React.Component { constructor(props) { super(props); this.state = { file: null }; this.handleFileChange = this.handleFileChange.bind(this); this.handleFileSubmit = this.handleFileSubmit.bind(this); } handleFileChange(e){ this.setState({file: e.target.files[0]}) } handleFileSubmit(){ const upload = new

问题 I can attach a png image from disc by and everything works just fine: obj.attachment.attach( io: File.open('dog.png'), filename: "image_name", content_type: "image/png" ) But it doesn't work giving result like too tiny empty square when I save a Base64 png image which encoded into String something like that "data:image/png;base64,iVB**..REST OF DATA..**kSuQmCC" by: obj.attachment.attach( io: StringIO.new(encoded_base_sixty_four_img), filename: "image_name", content_type: "image/png" ) Also I

问题 I am trying out Rail 5.2.0.rc1 Active Storage, using its included JavaScript library to upload PDF docs directly from the client to the cloud. But on submitting a form I get a browser error in both Firefox & Chrome: Cross-Origin Request Blocked... (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Headers are set thus this.xhr.setRequestHeader... in the activestorage.js and dont appear to be configurable: https://github.com/rails/rails/blob/master/activestorage/app/javascript

问题 I am using Rails 5.2 and ActiveStorage 5.2.3 and DirectDiskService. In order to have user uploads grouped nicely in directories and in order to be able to use CDNs as I please (eg CloudFlare or CloudFront or any other), I am trying to set up a method in ApplicationController that sets the (local) path for uploads, something like: class ApplicationController < ActionController::Base before_action :set_uploads_path # ... private def set_upload_paths # this doesn't work ActiveStorage::Service:

问题 Using devise gem to authenticate all users of an application. I'm trying to implement Active Storage. Let's say that all users must be authenticated as soon as they reach the app: class ApplicationController < ActionController::Base before_action :authenticate_user! ... end How to secure the Active Storage generated routes? URL of an uploaded file can be accessed without having to authenticate first. The unauthenticated user can get the file url generated by Active Storage. 回答1: This is not a

问题 When Active Storage creates a signed variant URL, it sets a default timeout of 5.minutes . I really want to increase this, but I've been trawling Github issues, code diving and cannot find it anywhere. On line 44 of the services class a class_attribute is set, but how can this be overwritten? https://github.com/rails/rails/blob/5-2-stable/activestorage/lib/active_storage/service.rb#L44 I'm using url_for to generate the signed variant links and there doesn't seem to be anyway to change the

问题 I am trying to get the name of the file uploaded by a user before ActiveStorage goes on to save it. The form is generated using form_with and is shown below: <%= form_with model: upload do |form| %> <div class=""> <%= form.file_field :files, multiple: true, direct_upload: true, required: true %> <%= form.label :files, '', class: 'icon ion-ios-cloud-upload' do %> <span>click the icon to select files</span> <% end %> <div class="actions"> <%= form.submit "Upload", class: "btn btn-primary" %> <