Class: AWS::S3::Client

Inherits:
Core::Client show all
Extended by:
Validators
Includes:
Core::UriEscape, Validators
Defined in:
lib/aws/s3/client.rb,
lib/aws/s3/client/xml.rb

Overview

Client class for Amazon Simple Storage Service (S3).

Defined Under Namespace

Modules: Validators

Constant Summary collapse

API_VERSION = 
'2006-03-01'
XMLNS = 
"http://s3.amazonaws.com/doc/#{API_VERSION}/"

Instance Attribute Summary

Attributes inherited from Core::Client

#config, #http_read_timeout

Instance Method Summary collapse

Methods included from Validators

dns_compatible_bucket_name?, json_validation_message, path_style_bucket_name?, require_acl!, require_bucket_name!, require_part_number!, require_policy!, require_upload_id!, set_body_stream_and_content_length, valid_bucket_name?, validate!, validate_bucket_name!, validate_key!, validate_parts!

Methods included from Core::UriEscape

escape, escape_path

Methods inherited from Core::Client

#initialize, #log_warning, #operations, #with_http_handler, #with_options

Constructor Details

This class inherits a constructor from AWS::Core::Client

Instance Method Details

#abort_multipart_upload(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :upload_id (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 1024

object_method(:abort_multipart_upload, :delete) do
  configure_request do |req, options|
      require_upload_id!(options[:upload_id])
    super(req, options)
    req.add_param('uploadId', options[:upload_id])
  end
end

#complete_multipart_upload(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :upload_id (required, String)
  • :parts (required, Array<String>)

Returns:



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# File 'lib/aws/s3/client.rb', line 990

object_method(:complete_multipart_upload, :post,
              XML::CompleteMultipartUpload) do
  configure_request do |req, options|
    require_upload_id!(options[:upload_id])
    validate_parts!(options[:parts])
    super(req, options)
    req.add_param('uploadId', options[:upload_id])
    parts_xml = options[:parts].map do |part|
      "<Part>"+
        "<PartNumber>#{part[:part_number].to_i}</PartNumber>"+
        "<ETag>#{REXML::Text.normalize(part[:etag].to_s)}</ETag>"+
        "</Part>"
    end.join
    req.body =
      "<CompleteMultipartUpload>#{parts_xml}</CompleteMultipartUpload>"
  end

  process_response do |response|
    add_sse_to_response(response)
    response.data[:version_id] =
      response.http_response.header('x-amz-version-id')
  end

  simulate_response do |response|
    response.data[:version_id] = nil
  end
end

#copy_object(options = {}) ⇒ Core::Response

Copies an object from one key to another.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String) —

    Name of the bucket to copy a object into.

  • :key (required, String) —

    Where (object key) in the bucket the object should be copied to.

  • :copy_source (required, String) —

    The source bucket name and key, joined by a forward slash (‘/’). This string must be URL-encoded. Additionally, you must have read access to the source object.

  • :acl (String) —

    A canned ACL (e.g. ‘private’, ‘public-read’, etc). See the S3 API documentation for a complete list of valid values.

  • :server_side_encryption (Symbol, String) — default: nil —

    The algorithm used to encrypt the object on the server side (e.g. :aes256).

  • :storage_class+ (String) — default: 'STANDARD' —

    Controls whether Reduced Redundancy Storage is enabled for the object. Valid values are ‘STANDARD’ and ‘REDUCED_REDUNDANCY’.

  • :grant_read (String)
  • :grant_write (String)
  • :grant_read_acp (String)
  • :grant_write_acp (String)
  • :grant_full_control (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 1079

object_method(:copy_object, :put, :header_options => {
  :acl => 'x-amz-acl',
  :grant_read => 'x-amz-grant-read',
  :grant_write => 'x-amz-grant-write',
  :grant_read_acp => 'x-amz-grant-read-acp',
  :grant_write_acp => 'x-amz-grant-write-acp',
  :grant_full_control => 'x-amz-grant-full-control',
  :copy_source => 'x-amz-copy-source',
  :cache_control => 'Cache-Control',
  :metadata_directive => 'x-amz-metadata-directive',
  :content_type => 'Content-Type',
}) do

  configure_request do |req, options|

    validate!(:copy_source, options[:copy_source]) do
      "may not be blank" if options[:copy_source].to_s.empty?
    end

    options = options.merge(:copy_source => escape_path(options[:copy_source]))
    super(req, options)
    req.metadata = options[:metadata]
    req.storage_class = options[:storage_class]
    req.server_side_encryption = options[:server_side_encryption]

    if options[:version_id]
      req.headers['x-amz-copy-source'] += "?versionId=#{options[:version_id]}"
    end
  end

  process_response do |response|
    response.data[:version_id] =
      response.http_response.header('x-amz-version-id')
    response.data[:etag] = response.http_response.header('ETag')
    if time = response.http_response.header('Last-Modified')
      response.data[:last_modified] = Time.parse(time)
    end
    add_sse_to_response(response)
  end

end

#create_bucket(options = {}) ⇒ Core::Response Also known as: put_bucket

Creates a bucket.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :acl (String) —

    A canned ACL (e.g. ‘private’, ‘public-read’, etc). See the S3 API documentation for a complete list of valid values.

  • :grant_read (String)
  • :grant_write (String)
  • :grant_read_acp (String)
  • :grant_write_acp (String)
  • :grant_full_control (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 128

bucket_method(:create_bucket, :put, :header_options => {
  :acl => 'x-amz-acl',
  :grant_read => 'x-amz-grant-read',
  :grant_write => 'x-amz-grant-write',
  :grant_read_acp => 'x-amz-grant-read-acp',
  :grant_write_acp => 'x-amz-grant-write-acp',
  :grant_full_control => 'x-amz-grant-full-control',
}) do

  configure_request do |req, options|
    validate_bucket_name!(options[:bucket_name])
    if location = options[:location_constraint]
      xmlns = "http://s3.amazonaws.com/doc/#{API_VERSION}/"
      req.body = "        <CreateBucketConfiguration xmlns=\"\#{xmlns}\">\n          <LocationConstraint>\#{location}</LocationConstraint>\n        </CreateBucketConfiguration>\n      XML\n    end\n    super(req, options)\n  end\n\nend\n"

#delete_bucket(options = {}) ⇒ Core::Response

Deletes an empty bucket.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 158

bucket_method(:delete_bucket, :delete)

#delete_bucket_lifecycle_configuration(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 200

bucket_method(:delete_bucket_lifecycle_configuration, :delete) do

  configure_request do |req, options|
    req.add_param('lifecycle')
    super(req, options)
  end

end

#delete_bucket_policy(options = {}) ⇒ Core::Response

Deletes the access policy for a bucket.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 265

bucket_method(:delete_bucket_policy, :delete, 'policy')

#delete_object(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :version_id (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 788

object_method(:delete_object, :delete) do

  configure_request do |req, options|
    super(req, options)
    if options[:version_id]
      req.add_param('versionId', options[:version_id])
    end
  end

  process_response do |resp|
    resp.data[:version_id] = resp.http_response.header('x-amz-version-id')
  end

end

#delete_objects(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :keys (required, Array<String>)
  • :quiet (Boolean) — default: true

Returns:



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# File 'lib/aws/s3/client.rb', line 912

bucket_method(:delete_objects, :post, 'delete', XML::DeleteObjects) do
  configure_request do |req, options|

    super(req, options)

    quiet = options.key?(:quiet) ? options[:quiet] : true

    # previously named this option :objects, since renamed
    keys = options[:objects] || options[:keys]

    objects = keys.inject('') do |xml,o|
      xml << "<Object><Key>#{o[:key]}</Key>"
      xml << "<VersionId>#{o[:version_id]}</VersionId>" if o[:version_id]
      xml << "</Object>"
    end

    xml = '<?xml version="1.0" encoding="UTF-8"?>'
    xml << "<Delete><Quiet>#{quiet}</Quiet>#{objects}</Delete>"

    req.body = xml

    md5 = Base64.encode64(Digest::MD5.digest(xml)).strip

    req.headers['content-md5'] = md5

  end
end

#get_bucket_acl(options = {}) ⇒ Core::Response

Gets the access control list for a bucket.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 422

bucket_method(:get_bucket_acl, :get, 'acl', XML::GetBucketAcl)

#get_bucket_lifecycle_configuration(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 182

bucket_method(:get_bucket_lifecycle_configuration, :get) do

  configure_request do |req, options|
    req.add_param('lifecycle')
    super(req, options)
  end

  process_response do |resp|
    xml = resp.http_response.body
    resp.data = XML::GetBucketLifecycleConfiguration.parse(xml)
  end

end

#get_bucket_location(options = {}) ⇒ Core::Response

Gets the bucket’s location constraint.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 294

bucket_method(:get_bucket_location, :get, 'location') do

  process_response do |response|
    regex = />(.*)<\/LocationConstraint>/
    matches = response.http_response.body.to_s.match(regex)
    response.data[:location_constraint] = matches ? matches[1] : nil
  end

end

#get_bucket_policy(options = {}) ⇒ Core::Response

Gets the access policy for a bucket.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 252

bucket_method(:get_bucket_policy, :get, 'policy') do

  process_response do |resp|
    resp.data[:policy] = resp.http_response.body
  end

end

#get_bucket_versioning(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 308

bucket_method(:get_bucket_versioning, :get, 'versioning',
XML::GetBucketVersioning)

#get_object(options = {}) ⇒ Core::Response

Gets the data for a key.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :if_modified_since (Time) —

    If specified, the response will contain an additional :modified value that returns true if the object was modified after the given time. If :modified is false, then the response :data value will be nil.

  • :if_unmodified_since (Time) —

    If specified, the response will contain an additional :unmodified value that is true if the object was not modified after the given time. If :unmodified returns false, the :data value will be nil.

  • :if_match (String) —

    If specified, the response will contain an additional :matches value that is true if the object ETag matches the value for this option. If :matches is false, the :data value of the response will be nil.

  • :if_none_match (String) —

    If specified, the response will contain an additional :matches value that is true if and only if the object ETag matches the value for this option. If :matches is true, the :data value of the response will be nil.

  • :range (Range<Integer>) —

    A byte range of data to request.

Returns:



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# File 'lib/aws/s3/client.rb', line 683

object_method(:get_object, :get,
              :header_options => {
                :if_modified_since => "If-Modified-Since",
                :if_unmodified_since => "If-Unmodified-Since",
                :if_match => "If-Match",
                :if_none_match => "If-None-Match"
              }) do
  configure_request do |req, options|

    super(req, options)

    if options[:version_id]
      req.add_param('versionId', options[:version_id])
    end

    ["If-Modified-Since",
     "If-Unmodified-Since"].each do |date_header|
      case value = req.headers[date_header]
      when DateTime
        req.headers[date_header] = Time.parse(value.to_s).rfc2822
      when Time
        req.headers[date_header] = value.rfc2822
      end
    end

    if options[:range]
      range = options[:range]
      range = "bytes=#{range.first}-#{range.last}" if range.is_a?(Range)
      req.headers['Range'] = range
    end

  end

  process_response do |resp|
    resp.data[:data] = resp.http_response.body
    resp.data[:version_id] = resp.http_response.header('x-amz-version-id')
    add_sse_to_response(resp)
  end
end

#get_object_acl(options = {}) ⇒ Core::Response

Gets the access control list for an object.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 516

object_method(:get_object_acl, :get, 'acl', XML::GetBucketAcl)

#head_object(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :version_id (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 729

object_method(:head_object, :head) do

  configure_request do |req, options|
    super(req, options)
    if options[:version_id]
      req.add_param('versionId', options[:version_id])
    end
  end

  process_response do |resp|

    # create a hash of user-supplied metadata
    meta = {}
    resp.http_response.headers.each_pair do |name,value|
      if name =~ /^x-amz-meta-(.+)$/i
        meta[$1] = [value].flatten.join
      end
    end
    meta
    resp.data[:meta] = meta

    if expiry = resp.http_response.headers['x-amz-expiration']
      expiry.first =~ /^expiry-date="(.+)", rule-id="(.+)"$/
      exp_date = DateTime.parse($1)
      exp_rule_id = $2
    else
      exp_date = nil
      exp_rule_id = nil
    end

    resp.data[:expiration_date] = exp_date
    resp.data[:expiration_rule_id] = exp_rule_id

    {
      'x-amz-version-id' => :version_id,
      'content-type' => :content_type,
      'etag' => :etag,
    }.each_pair do |header,method|
      resp.data[method] = resp.http_response.header(header)
    end

    if time = resp.http_response.header('Last-Modified')
      resp.data[:last_modified] = Time.parse(time)
    end

    resp.data[:content_length] =
      resp.http_response.header('content-length').to_i

    add_sse_to_response(resp)

  end
end

#initiate_multipart_upload(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :metadata (Hash)
  • :acl (Symbol)
  • :cache_control (String)
  • :content_disposition (String)
  • :content_encoding (String)
  • :content_type (String)
  • :storage_class+ (String) — default: 'STANDARD' —

    Controls whether Reduced Redundancy Storage is enabled for the object. Valid values are ‘STANDARD’ and ‘REDUCED_REDUNDANCY’.

  • :server_side_encryption (Symbol, String) — default: nil —

    The algorithm used to encrypt the object on the server side (e.g. :aes256).

  • :expires (String)
  • :acl (String) —

    A canned ACL (e.g. ‘private’, ‘public-read’, etc). See the S3 API documentation for a complete list of valid values.

  • :grant_read (String)
  • :grant_write (String)
  • :grant_read_acp (String)
  • :grant_write_acp (String)
  • :grant_full_control (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 852

object_method(:initiate_multipart_upload, :post, 'uploads',
              XML::InitiateMultipartUpload,
              :header_options => {
                :acl => 'x-amz-acl',
                :grant_read => 'x-amz-grant-read',
                :grant_write => 'x-amz-grant-write',
                :grant_read_acp => 'x-amz-grant-read-acp',
                :grant_write_acp => 'x-amz-grant-write-acp',
                :grant_full_control => 'x-amz-grant-full-control',
                :cache_control => 'Cache-Control',
                :content_disposition => 'Content-Disposition',
                :content_encoding => 'Content-Encoding',
                :content_type => 'Content-Type',
                :expires => 'Expires'
              }) do

  configure_request do |req, options|
    req.metadata = options[:metadata]
    req.storage_class = options[:storage_class]
    req.server_side_encryption = options[:server_side_encryption]
    super(req, options)
  end

  process_response do |response|
    add_sse_to_response(response)
  end

end

#list_buckets(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Returns:



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# File 'lib/aws/s3/client.rb', line 212

add_client_request_method(:list_buckets) do

  configure_request do |req, options|
    req.http_method = "GET"
  end

  process_response do |resp|
    resp.data = XML::ListBuckets.parse(resp.http_response.body)
  end

  simulate_response do |resp|
    resp.data = Core::XML::Parser.new(XML::ListBuckets.rules).simulate
  end

end

#list_multipart_uploads(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :delimiter (String)
  • :key_marker (String)
  • :max_keys (String)
  • :upload_id_marker (String)
  • :max_uploads (String)
  • :prefix (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 891

bucket_method(:list_multipart_uploads,
              :get, 'uploads',
              XML::ListMultipartUploads) do
  configure_request do |req, options|
    super(req, options)
    params = %w(delimiter key_marker max_keys) +
      %w(upload_id_marker max_uploads prefix)
    params.each do |param|
      if options[param.to_sym]
        req.add_param(param.gsub(/_/, '-'), options[param.to_sym])
      end
    end
  end
end

#list_object_versions(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :prefix (String)
  • :delimiter (String)
  • :max_keys (String)
  • :key_marker (String)
  • :version_id_marker (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 320

bucket_method(:list_object_versions, :get, 'versions',
  XML::ListObjectVersions) do

  configure_request do |req, options|
    super(req, options)
    params = %w(delimiter key_marker max_keys prefix version_id_marker)
    params.each do |param|
      if options[param.to_sym]
        req.add_param(param.gsub(/_/, '-'), options[param.to_sym])
      end
    end
  end

end

#list_objects(options = {}) ⇒ Core::Response Also known as: get_bucket

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :delimiter (String)
  • :marker (String)
  • :max_keys (String)
  • :prefix (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 811

bucket_method(:list_objects, :get, XML::ListObjects) do
  configure_request do |req, options|
    super(req, options)
    params = %w(delimiter marker max_keys prefix)
    params.each do |param|
      if options[param.to_sym]
        req.add_param(param.gsub(/_/, '-'), options[param.to_sym])
      end
    end
  end
end

#list_parts(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :upload_id (required, String)
  • :max_parts (Integer)
  • :part_number_marker (Integer)

Returns:



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# File 'lib/aws/s3/client.rb', line 1040

object_method(:list_parts, :get, XML::ListParts) do

  configure_request do |req, options|
      require_upload_id!(options[:upload_id])
    super(req, options)
    req.add_param('uploadId', options[:upload_id])
    req.add_param('max-parts', options[:max_parts])
    req.add_param('part-number-marker', options[:part_number_marker])
  end

end

#put_bucket_acl(options = {}) ⇒ Core::Response Also known as: set_bucket_acl

Sets the access control list for a bucket. You must specify an ACL via one of the following methods:

  • as a canned ACL (via :acl)

  • as a list of grants (via the :grant_* options)

  • as an access control policy document (via :access_control_policy)

Examples:

Using a canned acl

s3_client.put_bucket_acl(
  :bucket_name => 'bucket-name',
  :acl => 'public-read')

Using grants

s3_client.put_bucket_acl(
  :bucket_name => 'bucket-name',
  :grant_read => 'uri="http://acs.amazonaws.com/groups/global/AllUsers"',
  :grant_full_control => 'emailAddress="[email protected]", id="8a9...fa7"')

Using an access control policy document

policy_xml = "  <AccessControlPolicy xmlns=\"http://s3.amazonaws.com/doc/2006-03-01/\">\n    <Owner>\n      <ID>852b113e7a2f25102679df27bb0ae12b3f85be6BucketOwnerCanonicalUserID</ID>\n      <DisplayName>OwnerDisplayName</DisplayName>\n    </Owner>\n    <AccessControlList>\n      <Grant>\n        <Grantee xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:type=\"CanonicalUser\">\n          <ID>BucketOwnerCanonicalUserID</ID>\n          <DisplayName>OwnerDisplayName</DisplayName>\n        </Grantee>\n        <Permission>FULL_CONTROL</Permission>\n      </Grant>\n      <Grant>\n        <Grantee xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:type=\"Group\">\n          <URI xmlns=\"\">http://acs.amazonaws.com/groups/global/AllUsers</URI>\n        </Grantee>\n        <Permission xmlns=\"\">READ</Permission>\n      </Grant>\n    </AccessControlList>\n  </AccessControlPolicy>\n\n"
s3_client.put_bucket_acl(
  :bucket_name => 'bucket-name',
  :access_control_policy => policy_xml)

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :access_control_policy (String) —

    An access control policy description as a string of XML. See the S3 API documentation for a description.

  • :acl (String) —

    A canned ACL (e.g. ‘private’, ‘public-read’, etc). See the S3 API documentation for a complete list of valid values.

  • :grant_read (String)
  • :grant_write (String)
  • :grant_read_acp (String)
  • :grant_write_acp (String)
  • :grant_full_control (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 397

bucket_method(:put_bucket_acl, :put, 'acl', :header_options => {
  :acl => 'x-amz-acl',
  :grant_read => 'x-amz-grant-read',
  :grant_write => 'x-amz-grant-write',
  :grant_read_acp => 'x-amz-grant-read-acp',
  :grant_write_acp => 'x-amz-grant-write-acp',
  :grant_full_control => 'x-amz-grant-full-control',
}) do

  configure_request do |req, options|
    move_access_control_policy(options)
    require_acl!(options)
    super(req, options)
    req.body = options[:access_control_policy] if
       options[:access_control_policy]
  end

end

#put_object(options = {}) ⇒ Core::Response

Puts data into an object, replacing the current contents.

s3_client.put_object({
  :bucket_name => 'bucket-name',
  :key => 'readme.txt',
  :data => 'This is the readme for ...',
})

Block Form

In block form, this method yields a stream to the block that accepts data chunks. For example:

s3_client.put_object(
  :bucket_name => 'mybucket',
  :key => 'some/key'
  :content_length => File.size('myfile')
) do |buffer|

  File.open('myfile') do |io|
    buffer.write(io.read(length)) until io.eof?
  end

end

This form is useful if you need finer control over how potentially large amounts of data are read from another source before being sent to S3; for example, if you are using a non-blocking IO model and reading from a large file on disk or from another network stream. Some HTTP handlers do not support streaming request bodies, so if you plan to upload large objects using this interface you should make sure the HTTP handler you configure for the client meets your needs.

object on the server side, e.g. :aes256)

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :data (required, String, Pathname, File, IO) —

    The data to upload. This can be provided as a string, a Pathname object, or any object that responds to #read and #eof? (e.g. IO, File, Tempfile, StringIO, etc).

  • :content_length (Integer) —

    Required if you are using block form to write data or if it is not possible to determine the size of :data. A best effort is made to determine the content length of strings, files, tempfiles, io objects, and any object that responds to #length or #size.

  • :metadata (Hash) —

    A hash of metadata to be included with the object. These will be sent to S3 as headers prefixed with x-amz-meta.

  • :acl (Symbol) — default: :private —

    A canned access control policy. Accepted values include:

    • :private

    • :public_read

    • …

  • :storage_class+ (String) — default: 'STANDARD' —

    Controls whether Reduced Redundancy Storage is enabled for the object. Valid values are ‘STANDARD’ and ‘REDUCED_REDUNDANCY’.

  • :server_side_encryption (Symbol, String) — default: nil —

    The algorithm used to encrypt the object on the server side (e.g. :aes256).

  • :cache_control (String) —

    Can be used to specify caching behavior.

  • :content_disposition (String) —

    Specifies presentational information.

  • :content_encoding (String) —

    Specifies the content encoding.

  • :content_md5 (String) —

    The base64 encoded content md5 of the :data.

  • :content_type (String) —

    Specifies the content type.

  • :expires (String)
  • :acl (String) —

    A canned ACL (e.g. ‘private’, ‘public-read’, etc). See the S3 API documentation for a complete list of valid values.

  • :grant_read (String)
  • :grant_write (String)
  • :grant_read_acp (String)
  • :grant_write_acp (String)
  • :grant_full_control (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 605

object_method(:put_object, :put, :header_options => {
  :acl => 'x-amz-acl',
  :grant_read => 'x-amz-grant-read',
  :grant_write => 'x-amz-grant-write',
  :grant_read_acp => 'x-amz-grant-read-acp',
  :grant_write_acp => 'x-amz-grant-write-acp',
  :grant_full_control => 'x-amz-grant-full-control',
  :content_md5 => 'Content-MD5',
  :cache_control => 'Cache-Control',
  :content_disposition => 'Content-Disposition',
  :content_encoding => 'Content-Encoding',
  :content_type => 'Content-Type',
  :expires => 'Expires'
}) do

  configure_request do |request, options|

    options = compute_write_options(options)
    set_body_stream_and_content_length(request, options)

    request.metadata = options[:metadata]
    request.storage_class = options[:storage_class]
    request.server_side_encryption = options[:server_side_encryption]

    super(request, options)

  end

  process_response do |response|

    response.data[:version_id] =
      response.http_response.header('x-amz-version-id')

    response.data[:etag] = response.http_response.header('ETag')

    if time = response.http_response.header('Last-Modified')
      response.data[:last_modified] = Time.parse(time)
    end

    add_sse_to_response(response)

  end

  simulate_response do |response|
    response.data[:etag] = 'abc123'
    response.data[:version_id] = nil
  end

end

#put_object_acl(options = {}) ⇒ Core::Response Also known as: set_object_acl

Sets the access control list for an object. You must specify an ACL via one of the following methods:

  • as a canned ACL (via :acl)

  • as a list of grants (via the :grant_* options)

  • as an access control policy document (via :access_control_policy)

Examples:

Using a canned acl

s3_client.put_object_acl(
  :bucket_name => 'bucket-name',
  :key => 'object-key',
  :acl => 'public-read')

Using grants

s3_client.put_bucket_acl(
  :bucket_name => 'bucket-name',
  :key => 'object-key',
  :grant_read => 'uri="http://acs.amazonaws.com/groups/global/AllUsers"',
  :grant_full_control => 'emailAddress="[email protected]", id="8a9...fa7"')

Using an access control policy document

policy_xml = "  <AccessControlPolicy xmlns=\"http://s3.amazonaws.com/doc/2006-03-01/\">\n    <Owner>\n      <ID>852b113e7a2f25102679df27bb0ae12b3f85be6BucketOwnerCanonicalUserID</ID>\n      <DisplayName>OwnerDisplayName</DisplayName>\n    </Owner>\n    <AccessControlList>\n      <Grant>\n        <Grantee xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:type=\"CanonicalUser\">\n          <ID>BucketOwnerCanonicalUserID</ID>\n          <DisplayName>OwnerDisplayName</DisplayName>\n        </Grantee>\n        <Permission>FULL_CONTROL</Permission>\n      </Grant>\n      <Grant>\n        <Grantee xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:type=\"Group\">\n          <URI xmlns=\"\">http://acs.amazonaws.com/groups/global/AllUsers</URI>\n        </Grantee>\n        <Permission xmlns=\"\">READ</Permission>\n      </Grant>\n    </AccessControlList>\n  </AccessControlPolicy>\n\n"
s3_client.put_bucket_acl(
  :bucket_name => 'bucket-name',
  :key => 'object-key',
  :access_control_policy => policy_xml)

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :access_control_policy (String) —

    An access control policy description as a string of XML. See the S3 API documentation for a description.

  • :acl (String) —

    A canned ACL (e.g. ‘private’, ‘public-read’, etc). See the S3 API documentation for a complete list of valid values.

  • :grant_read (String)
  • :grant_write (String)
  • :grant_read_acp (String)
  • :grant_write_acp (String)
  • :grant_full_control (String)

Returns:



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# File 'lib/aws/s3/client.rb', line 490

object_method(:put_object_acl, :put, 'acl', :header_options => {
  :acl => 'x-amz-acl',
  :grant_read => 'x-amz-grant-read',
  :grant_write => 'x-amz-grant-write',
  :grant_read_acp => 'x-amz-grant-read-acp',
  :grant_write_acp => 'x-amz-grant-write-acp',
  :grant_full_control => 'x-amz-grant-full-control',
}) do

  configure_request do |req, options|
    move_access_control_policy(options)
    require_acl!(options)
    super(req, options)
    req.body = options[:access_control_policy] if
       options[:access_control_policy]
  end

end

#set_bucket_lifecycle_configuration(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :lifecycle_configuration (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 165

bucket_method(:set_bucket_lifecycle_configuration, :put) do

  configure_request do |req, options|
    xml = options[:lifecycle_configuration]
    md5 = Base64.encode64(Digest::MD5.digest(xml)).strip
    req.add_param('lifecycle')
    req.body = xml
    req.headers['content-md5'] = md5
    super(req, options)
  end

end

#set_bucket_policy(options = {}) ⇒ Core::Response

Sets the access policy for a bucket.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :policy (required, String) —

    This can be a String or any object that responds to #to_json.

Returns:



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# File 'lib/aws/s3/client.rb', line 235

bucket_method(:set_bucket_policy, :put, 'policy') do

  configure_request do |req, options|
    require_policy!(options[:policy])
    super(req, options)
    policy = options[:policy]
    policy = policy.to_json unless policy.respond_to?(:to_str)
    req.body = policy
  end

end

#set_bucket_versioning(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :state (required, String)

Returns:



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# File 'lib/aws/s3/client.rb', line 272

bucket_method(:set_bucket_versioning, :put, 'versioning') do

  configure_request do |req, options|
    state = options[:state].to_s.downcase.capitalize
    unless state =~ /^(Enabled|Suspended)$/
      raise ArgumentError, "invalid versioning state `#{state}`"
    end
    super(req, options)
    req.body = "      <VersioningConfiguration xmlns=\"\#{XMLNS}\">\n        <Status>\#{state}</Status>\n      </VersioningConfiguration>\n    XML\n  end\n\nend\n".strip

#upload_part(options = {}) ⇒ Core::Response

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :bucket_name (required, String)
  • :key (required, String)
  • :upload_id (required, String)
  • :part_number (required, Integer)
  • :data (required, String, Pathname, File, IO) —

    The data to upload. This can be provided as a string, a Pathname object, or any object that responds to #read and #eof? (e.g. IO, File, Tempfile, StringIO, etc).

Returns:



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# File 'lib/aws/s3/client.rb', line 951

object_method(:upload_part, :put,
              :header_options => {
                :content_md5 => 'Content-MD5'
              }) do
  configure_request do |request, options|

    options = compute_write_options(options)
    set_body_stream_and_content_length(request, options)

    require_upload_id!(options[:upload_id])
    request.add_param('uploadId', options[:upload_id])

    require_part_number!(options[:part_number])
    request.add_param('partNumber', options[:part_number])

    super(request, options)

  end

  process_response do |response|
    response.data[:etag] = response.http_response.header('ETag')
    if time = response.http_response.header('Last-Modified')
      response.data[:last_modified] = Time.parse(time)
    end
    add_sse_to_response(response)
  end

  simulate_response do |response|
    response.data[:etag] = 'abc123'
  end
end