Class: Fog::Storage::AWS::File

Inherits:
Model
  • Object
show all
Defined in:
lib/fog/aws/models/storage/file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#body ⇒ File

Get file’s body if exists, else ”.

Returns:



60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/fog/aws/models/storage/file.rb', line 60

def body
  return attributes[:body] if attributes[:body]
  return '' unless last_modified

  file = collection.get(identity)
  if file
    attributes[:body] = file.body
  else
    attributes[:body] = ''
  end
end

#multipart_chunk_size ⇒ Object

Note:

Chunk size to use for multipart uploads. Use small chunk sizes to minimize memory. E.g. 5242880 = 5mb



30
31
32
 
# File 'lib/fog/aws/models/storage/file.rb', line 30

def multipart_chunk_size
  @multipart_chunk_size
end

Instance Method Details

#acl ⇒ Object 



36
37
38
39
 
# File 'lib/fog/aws/models/storage/file.rb', line 36

def acl
  requires :directory, :key
  service.get_object_acl(directory.key, key).body['AccessControlList']
end

#acl=(new_acl) ⇒ String

Set file’s access control list (ACL).

valid acls: private, public-read, public-read-write, authenticated-read, bucket-owner-read, bucket-owner-full-control

Parameters:

  • new_acl (String) —

    one of valid options

Returns:

  • (String) —

    @acl



48
49
50
51
52
53
54
 
# File 'lib/fog/aws/models/storage/file.rb', line 48

def acl=(new_acl)
  valid_acls = ['private', 'public-read', 'public-read-write', 'authenticated-read', 'bucket-owner-read', 'bucket-owner-full-control']
  unless valid_acls.include?(new_acl)
    raise ArgumentError.new("acl must be one of [#{valid_acls.join(', ')}]")
  end
  @acl = new_acl
end

#copy(target_directory_key, target_file_key, options = {}) ⇒ String

Copy object from one bucket to other bucket.

required attributes: directory, key

Parameters:

  • target_directory_key (String)
  • target_file_key (String)
  • options (Hash) (defaults to: {}) —

    options for copy_object method

Returns:

  • (String) —

    Fog::AWS::Files#head status of directory contents



98
99
100
101
102
103
 
# File 'lib/fog/aws/models/storage/file.rb', line 98

def copy(target_directory_key, target_file_key, options = {})
  requires :directory, :key
  service.copy_object(directory.key, key, target_directory_key, target_file_key, options)
  target_directory = service.directories.new(:key => target_directory_key)
  target_directory.files.head(target_file_key)
end

#destroy(options = {}) ⇒ Boolean

Destroy file via http DELETE.

required attributes: directory, key

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • versionId (Object) —

Returns:

  • (Boolean) —

    true if successful



113
114
115
116
117
118
 
# File 'lib/fog/aws/models/storage/file.rb', line 113

def destroy(options = {})
  requires :directory, :key
  attributes[:body] = nil if options['versionId'] == version
  service.delete_object(directory.key, key, options)
  true
end

#directory ⇒ Fog::AWS::Storage::Directory

Get the file instance’s directory.

Returns:

  • (Fog::AWS::Storage::Directory) 


85
86
87
 
# File 'lib/fog/aws/models/storage/file.rb', line 85

def directory
  @directory
end

#metadata ⇒ Object 



121
122
123
 
# File 'lib/fog/aws/models/storage/file.rb', line 121

def metadata
  attributes.reject {|key, value| !(key.to_s =~ /^x-amz-/)}
end

#metadata=(new_metadata) ⇒ Object 



126
127
128
 
# File 'lib/fog/aws/models/storage/file.rb', line 126

def metadata=(new_metadata)
  merge_attributes(new_metadata)
end

#owner=(new_owner) ⇒ Object 



131
132
133
134
135
136
137
138
 
# File 'lib/fog/aws/models/storage/file.rb', line 131

def owner=(new_owner)
  if new_owner
    attributes[:owner] = {
      :display_name => new_owner['DisplayName'] || new_owner[:display_name],
      :id           => new_owner['ID'] || new_owner[:id]
    }
  end
end

#public=(new_public) ⇒ String

Set Access-Control-List permissions.

valid new_publics: public_read, private

Parameters:

  • new_public (String)

Returns:

  • (String) —

    new_public



151
152
153
154
155
156
157
158
 
# File 'lib/fog/aws/models/storage/file.rb', line 151

def public=(new_public)
  if new_public
    @acl = 'public-read'
  else
    @acl = 'private'
  end
  new_public
end

#public? ⇒ Boolean

Returns:

  • (Boolean) 


140
141
142
 
# File 'lib/fog/aws/models/storage/file.rb', line 140

def public?
  acl.any? {|grant| grant['Grantee']['URI'] == 'http://acs.amazonaws.com/groups/global/AllUsers' && grant['Permission'] == 'READ'}
end

#public_url ⇒ String

Get publicly accessible url via http GET. Checks permissions before creating. Defaults to s3 subdomain or compliant bucket name

required attributes: directory, key

Returns:

  • (String) —

    public url



168
169
170
171
172
173
174
175
176
177
178
 
# File 'lib/fog/aws/models/storage/file.rb', line 168

def public_url
  requires :directory, :key
  if public?
    service.request_url(
      :bucket_name => directory.key,
      :object_name => key
    )
  else
    nil
  end
end

#save(options = {}) ⇒ Boolean

Save file with body as contents to directory.key with name key via http PUT

required attributes: body, directory, key

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • acl (String) —

    sets x-amz-acl HTTP header. Valid values include, private | public-read | public-read-write | authenticated-read | bucket-owner-read | bucket-owner-full-control

  • cache_control (String) —

    sets Cache-Control header. For example, ‘No-cache’

  • content_disposition (String) —

    sets Content-Disposition HTTP header. For exampple, ‘attachment; filename=testing.txt’

  • content_encoding (String) —

    sets Content-Encoding HTTP header. For example, ‘x-gzip’

  • content_md5 (String) —

    sets Content-MD5. For example, ‘79054025255fb1a26e4bc422aef54eb4’

  • content_type (String) —

    Content-Type. For example, ‘text/plain’

  • expires (String) —

    sets number of seconds before AWS Object expires.

  • storage_class (String) —

    sets x-amz-storage-class HTTP header. Defaults to ‘STANDARD’. Or, ‘REDUCED_REDUNDANCY’

  • encryption (String) —

    sets HTTP encryption header. Set to ‘AES256’ to encrypt files at rest on S3

Returns:

  • (Boolean) —

    true if no errors



196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
 
# File 'lib/fog/aws/models/storage/file.rb', line 196

def save(options = {})
  requires :body, :directory, :key
  if options != {}
    Fog::Logger.deprecation("options param is deprecated, use acl= instead [light_black](#{caller.first})[/]")
  end
  options['x-amz-acl'] ||= @acl if @acl
  options['Cache-Control'] = cache_control if cache_control
  options['Content-Disposition'] = content_disposition if content_disposition
  options['Content-Encoding'] = content_encoding if content_encoding
  options['Content-MD5'] = content_md5 if content_md5
  options['Content-Type'] = content_type if content_type
  options['Expires'] = expires if expires
  options.merge!(metadata)
  options['x-amz-storage-class'] = storage_class if storage_class
  options.merge!(encryption_headers)

  # With a single PUT operation you can upload objects up to 5 GB in size. Automatically set MP for larger objects.
  multipart_chunk_size=5242880 if !multipart_chunk_size && Fog::Storage.get_body_size(body) > 5368709120

  if multipart_chunk_size && Fog::Storage.get_body_size(body) >= multipart_chunk_size && body.respond_to?(:read)
    data = multipart_save(options)
    merge_attributes(data.body)
  else
    data = service.put_object(directory.key, key, body, options)
    merge_attributes(data.headers.reject {|key, value| ['Content-Length', 'Content-Type'].include?(key)})
  end
  self.etag.gsub!('"','')
  self.content_length = Fog::Storage.get_body_size(body)
  self.content_type ||= Fog::Storage.get_content_type(body)
  true
end

#url(expires, options = {}) ⇒ String

Get a url for file.

required attributes: key

Parameters:

  • expires (String) —

    number of seconds (since 1970-01-01 00:00) before url expires

  • options (Hash) (defaults to: {})

Returns:

  • (String) —

    url



236
237
238
239
 
# File 'lib/fog/aws/models/storage/file.rb', line 236

def url(expires, options = {})
  requires :key
  collection.get_url(key, expires, options)
end

#versions ⇒ Fog::Storage::AWS::Version

File version if exists or creates new version.

Returns:



244
245
246
247
248
249
250
251
 
# File 'lib/fog/aws/models/storage/file.rb', line 244

def versions
  @versions ||= begin
    Fog::Storage::AWS::Versions.new(
      :file         => self,
      :service   => service
    )
  end
end