Class: InovaAwsS3::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/inova_aws_s3/service.rb

Constant Summary collapse

PART_SIZE = 
1024 * 1024 * 10

Instance Method Summary collapse

Constructor Details

#initialize(acl: InovaAwsS3.configuration.acl) ⇒ Service

Returns a new instance of Service.



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# File 'lib/inova_aws_s3/service.rb', line 6

def initialize(acl: InovaAwsS3.configuration.acl)
  @acl = acl
  @bucket_name = InovaAwsS3.configuration.bucket_name
  @region = InovaAwsS3.configuration.region
  @access_key = InovaAwsS3.configuration.access_key
  @secret_key = InovaAwsS3.configuration.secret_key
  @folder_name = InovaAwsS3.configuration.folder_name
  set_s3_client
  set_s3_resource
end

Instance Method Details

#change_acl(url: nil, new_acl: 'authenticated-read') ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 73

def change_acl(url: nil, new_acl: 'authenticated-read')
  return if url.nil?
  key = get_key_from_url(url)
  @s3_client.put_object_acl({ acl: new_acl, bucket: @bucket_name, key: key })
rescue Exception
  puts "error in #{url}"
end

#delete_file(url) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 112

def delete_file(url)
  key = get_key_from_url(url)
  return if key.blank?
  @s3_client.delete_object({ bucket: @bucket_name, key: key })
end

#generate_get_presigned(url) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 99

def generate_get_presigned(url)
  key = get_key_from_url(url)
  object = @s3_resource.bucket(@bucket_name).object(key)
  presigned_url = object.presigned_url(:get, expires_in: 10800) # 3 hours
  presigned_url
end

#get_key(filename) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 94

def get_key(filename)
  key = @folder_name + filename
  return key
end

#get_key_from_url(url) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 81

def get_key_from_url(url)
  # uri = URI.parse(url)
  # File.basename(uri.path)
  arr = url.split("/")
  arr[3..-1]&.join("/")
end

#get_presigned_url(file_name) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 106

def get_presigned_url(file_name)
  object = @s3_resource.bucket(@bucket_name).object(@folder_name.to_s + file_name)
  presigned_url = object.presigned_url(:put, { acl: "public-read" }) #, expires: 10*60)
  { presigned_url: presigned_url, file_url: object.public_url }
end

#multipart_upload(filename: nil, file: nil, acl: "public-read") ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 25

def multipart_upload(filename: nil, file: nil, acl: "public-read")
  logger ||= Logger.new("#{Rails.root}/log/uploads.log")
  key = @folder_name + filename
  resp = @s3_client.create_multipart_upload({
                                              bucket: @bucket_name,
                                              key: key, acl: acl })
  current_part = 1
  parts = []
  file = File.open(file, 'rb')
  index = 1
  until file.eof?
    logger.info("#{key} Part #{current_part}")
    part = file.read(PART_SIZE)
    resp_upload = @s3_client.upload_part({
                                           body: part,
                                           bucket: @bucket_name,
                                           key: key,
                                           part_number: current_part,
                                           upload_id: resp.upload_id,
                                         })

    parts << { etag: resp_upload.etag, part_number: current_part }
    current_part = current_part + 1
  end
  resp_complete = @s3_client.complete_multipart_upload({
                                                         bucket: @bucket_name, # required
                                                         key: key, # required
                                                         multipart_upload: {
                                                           parts: parts
                                                         },
                                                         upload_id: resp.upload_id # required
                                                       })
  file.close()
  set_object(key).public_url
end

#onepart_upload(file_name: nil, tempfile: nil) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 61

def onepart_upload(file_name: nil, tempfile: nil)
  file_name = "#{SecureRandom.urlsafe_base64}_#{Time.now.strftime('%s')}_#{File.extname(file_name)}".gsub(/\s+/, "")
  key = @folder_name + file_name
  obj = set_object(key)
  obj.upload_file(tempfile, { acl: @acl })
  obj.public_url
end

#set_object(key) ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 69

def set_object(key)
  @s3_resource.bucket(@bucket_name).object(key)
end

#set_s3_client ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 17

def set_s3_client
  @s3_client = Aws::S3::Client.new(region: @region, access_key_id: @access_key, secret_access_key: @secret_key)
end

#set_s3_resource ⇒ Object 



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# File 'lib/inova_aws_s3/service.rb', line 21

def set_s3_resource
  @s3_resource = Aws::S3::Resource.new(region: @region, access_key_id: @access_key, secret_access_key: @secret_key)
end

#valid_s3_url?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inova_aws_s3/service.rb', line 88

def valid_s3_url?(url)
  arr = url.split("/")
  host_name = "#{@bucket_name}.s3.#{@region}.amazonaws.com"
  return arr[2] == host_name
end