Class: S3DirectUpload::UploadHelper::S3Uploader
- Inherits:
-
Object
- Object
- S3DirectUpload::UploadHelper::S3Uploader
- Defined in:
- lib/s3_direct_upload/form_helper.rb
Instance Method Summary collapse
- #fields ⇒ Object
- #form_options ⇒ Object
-
#initialize(options) ⇒ S3Uploader
constructor
A new instance of S3Uploader.
- #key ⇒ Object
- #policy ⇒ Object
- #policy_data ⇒ Object
- #signature ⇒ Object
- #url ⇒ Object
Constructor Details
#initialize(options) ⇒ S3Uploader
Returns a new instance of S3Uploader.
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# File 'lib/s3_direct_upload/form_helper.rb', line 13 def initialize() @additional_headers = [:additional_headers] || [] @options = .reverse_merge( aws_access_key_id: S3DirectUpload.config.access_key_id, aws_secret_access_key: S3DirectUpload.config.secret_access_key, bucket: S3DirectUpload.config.bucket, acl: "public-read", expiration: 10.hours.from_now.utc.iso8601, max_file_size: 64.gigabytes, as: "file", key: key ) end |
Instance Method Details
#fields ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 41 def fields fields = { :key => @options[:key] || key, :acl => @options[:acl], :policy => policy, :signature => signature, "AWSAccessKeyId" => @options[:aws_access_key_id], success_action_status: "201" } @additional_headers.each do |header| fields[header[0]]=header[1] end fields end |
#form_options ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 27 def { id: @options[:id], class: @options[:class], method: "post", authenticity_token: false, multipart: true, data: { post: @options[:post], as: @options[:as] }.reverse_merge(@options[:data] || {}) } end |
#key ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 56 def key @key ||= "uploads/#{SecureRandom.hex}/${filename}" end |
#policy ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 64 def policy Base64.encode64(policy_data.to_json).gsub("\n", "") end |
#policy_data ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 68 def policy_data header_conditions = @additional_headers.map { |header| { header[0] => header[1] } } conditions = [ ["starts-with", "$utf8", ""], ["starts-with", "$key", ""], ["content-length-range", 0, @options[:max_file_size]], ["starts-with","$Content-Type",""], {bucket: @options[:bucket]}, {acl: @options[:acl]}, {success_action_status: "201"} ].concat(header_conditions) { expiration: @options[:expiration], conditions: conditions } end |
#signature ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 85 def signature Base64.encode64( OpenSSL::HMAC.digest( OpenSSL::Digest::Digest.new('sha1'), @options[:aws_secret_access_key], policy ) ).gsub("\n", "") end |
#url ⇒ Object
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# File 'lib/s3_direct_upload/form_helper.rb', line 60 def url "https://s3.amazonaws.com/#{@options[:bucket]}/" end |