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=encoding utf8 |
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=head1 WebService::CEPH::NetAmazonS3 |
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Driver for CEPH is based on Net::Amazon::S3. |
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Made rather not on the basis Net::Amazon::S3, but on the basis Net::Amazon::S3::Client |
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see POD https://metacpan.org/pod/Net::Amazon::S3::Client |
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There is a separate documentation and it is said that this is a newer interface, while in the Net::Amazon::S3, there is no link to this. |
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Goes into private methods and not documented features of Net :: Amazon :: S3, due to the fact that |
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Net :: Amazon :: S3 is not well-documented in principle, and there is not enough public functionality in it. |
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The stability of this solution is provided by the integration test netamazons3_integration, which in theory tests everything. |
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The problems can only be if you installed this module, then updated Net :: Amazon :: S3 to a new version that did not exist yet, |
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which broke back compatibility of private methods. |
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The interface of this module is documented. Stick to what is documented, WebService :: CEPH counts on all this. |
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You can write your driver with the same interface, but with a different implementation. |
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=cut |
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package WebService::CEPH::NetAmazonS3; |
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our $VERSION = '0.017'; # VERSION |
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use strict; |
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use warnings; |
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use Carp; |
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use Time::Local; |
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use Net::Amazon::S3; |
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use HTTP::Status; |
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use Digest::MD5 qw/md5_hex/; |
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sub _time { # for mocking in tests |
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time() |
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} |
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=head2 new |
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Constructor |
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protocol - 'http' or 'https' |
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host - Amazon S3 host or CEPH |
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bucket - (mandatory for all operations except the request for the bucket list) the name of the bucket, this bucket will be used for all object operations |
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key - access key |
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secret - access secret |
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=cut |
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sub new { |
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my ($class, %args) = @_; |
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my $self = bless +{}, $class; |
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$self->{$_} = delete $args{$_} // confess "Missing $_" for (qw/protocol host key secret/); |
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$self->{bucket} = delete $args{bucket}; |
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confess "Unused arguments %args" if %args; |
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confess "protocol should be 'http' or 'https'" unless $self->{protocol} =~ /^https?$/; |
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my $s3 = Net::Amazon::S3->new({ |
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aws_access_key_id => $self->{key}, |
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aws_secret_access_key => $self->{secret}, # TODO: ÑилÑÑÑоваÑÑ Ð² логиÑовании? |
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host => $self->{host}, |
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secure => $self->{protocol} eq 'https', |
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retry => 1, |
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}); |
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$self->{client} = Net::Amazon::S3::Client->new( s3 => $s3 ); |
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$self; |
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} |
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=head2 _request_object |
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Private method. Returns the Net :: Amazon :: S3 :: Client :: Bucket object, which can then be used. Used in code several times |
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=cut |
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sub _request_object { |
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my ($self) = @_; |
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confess "Missing bucket" unless $self->{bucket}; |
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$self->{client}->bucket(name => $self->{bucket}); |
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} |
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=head2 get_buckets_list |
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Returns buckets list |
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=cut |
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sub get_buckets_list { |
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my ($self) = @_; |
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return $self->{client}->buckets->{buckets}; |
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} |
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=head2 upload_single_request |
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Uploads data. |
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Parameters: |
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1) $self |
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2) $key - object name |
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3) data itself (blob) |
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4) Content-Type, optional |
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5) ACL, optional |
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Upload an object for one request (non-multipart upload), put a custom or private ACL, add a custom x-amz-meta-md5 header, which equals md5 hex from the file |
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123
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=cut |
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125
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sub upload_single_request { |
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my ($self, $key) = (shift, shift); # after shifts: $_[0] - value, $_[1] - content-type, $_[2] - acl |
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128
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my $md5 = md5_hex($_[0]); |
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my $object = $self->_request_object->object( |
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key => $key, |
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acl_short => $_[2] || 'private', |
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$_[1] ? ( content_type => $_[1] ) : () |
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); |
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2333
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$object->user_metadata->{'md5'} = $md5; |
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79
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$object->_put($_[0], length($_[0]), $md5); # private _put so we can re-use md5. only for that. |
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} |
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138
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=head2 list_multipart_uploads |
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140
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Returns a list multipart_upload |
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142
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Parameters: |
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144
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none |
145
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146
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Returns: |
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[ |
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{ |
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key => 'Upload key', |
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upload_id => 'Upload ID', |
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initiated => 'Init date', |
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initiated_epoch => same as initiated but in epoch time format |
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initiated_age_seconds => simply time() - initiated_epoch ie upload age |
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}, |
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... |
156
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] |
157
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158
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=cut |
159
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160
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sub list_multipart_uploads { |
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1
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1
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1
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279
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my ($self) = @_; |
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163
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1
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53
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$self->{client}->bucket(name => $self->{bucket}); |
164
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165
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my $http_request = Net::Amazon::S3::HTTPRequest->new( |
166
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s3 => $self->{client}->s3, |
167
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method => 'GET', |
168
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1
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470
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path => $self->{bucket} . '?uploads', |
169
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)->http_request; |
170
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171
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1
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5912
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my $xpc = $self->{client}->_send_request_xpc($http_request); |
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173
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1
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64838
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my @uploads; |
174
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1
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8
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my $t0 = _time(); |
175
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1
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29
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foreach my $node ( $xpc->findnodes(".//s3:Upload") ) { |
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177
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101
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my $initiated = $xpc->findvalue( ".//s3:Initiated", $node ); |
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179
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1
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50
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349
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my ($y, $m, $d, $hour, $min, $sec) = $initiated =~ /^(\d{4})\-(\d{2})\-(\d{2})T(\d{2}):(\d{2}):(\d{2})/ |
180
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or confess "Bad date $initiated"; |
181
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1
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67
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my $initiated_epoch = timegm($sec, $min, $hour, $d, $m - 1, $y); # interpret time as GMT+00 time and convert to epoch |
182
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183
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1
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95
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push @uploads, { |
184
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key => $xpc->findvalue( ".//s3:Key", $node ), |
185
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upload_id => $xpc->findvalue( ".//s3:UploadId", $node ), |
186
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initiated => $initiated, |
187
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initiated_epoch => $initiated_epoch, |
188
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initiated_age_seconds => $t0 - $initiated_epoch, |
189
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}; |
190
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191
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} |
192
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193
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1
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180
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return \@uploads; |
194
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} |
195
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196
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=head2 delete_multipart_upload |
197
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198
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Deletes upload |
199
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200
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Parameters: |
201
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$key, $upload_id |
202
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203
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204
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=cut |
205
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206
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sub delete_multipart_upload { |
207
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1
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1
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1
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68
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my ($self, $key, $upload_id) = @_; |
208
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209
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1
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11
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$self->{client}->bucket(name => $self->{bucket}); |
210
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211
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my $http_request = Net::Amazon::S3::Request::AbortMultipartUpload->new( |
212
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s3 => $self->{client}->s3, |
213
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bucket => $self->{bucket}, |
214
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1
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212
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key => $key, |
215
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upload_id => $upload_id, |
216
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|
)->http_request; |
217
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218
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1
|
|
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|
|
5750
|
$self->{client}->_send_request_raw($http_request); |
219
|
|
|
|
|
|
|
} |
220
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221
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=head2 initiate_multipart_upload |
222
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|
|
223
|
|
|
|
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|
|
Initiates multipart upload |
224
|
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|
225
|
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|
|
Parameters: |
226
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227
|
|
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|
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|
|
1) $self |
228
|
|
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|
229
|
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|
|
|
2) $key - object name |
230
|
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231
|
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|
|
3) md5 from data |
232
|
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233
|
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|
|
4) Content-type, optional |
234
|
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235
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|
5) ACL, optional |
236
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237
|
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|
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Initiates multipart upload, sets x-amz-meta-md5 to md5 value of the file (needs to be calculated in advance and pass it as a parameter). |
238
|
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|
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|
|
Returns a reference to a structure of an undocumented nature, which should be used later to work with this multipart upload |
239
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240
|
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|
|
=cut |
241
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242
|
|
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|
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|
|
sub initiate_multipart_upload { |
243
|
2
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|
|
2
|
1
|
119
|
my ($self, $key, $md5, $content_type, $acl) = @_; |
244
|
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245
|
2
|
50
|
|
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|
22
|
confess "Missing bucket" unless $self->{bucket}; |
246
|
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247
|
2
|
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50
|
|
|
13
|
my $object = $self->_request_object->object( key => $key, acl_short => $acl || 'private' ); |
248
|
|
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|
|
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|
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249
|
|
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|
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|
|
my $http_request = Net::Amazon::S3::Request::InitiateMultipartUpload->new( |
250
|
|
|
|
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|
|
s3 => $self->{client}->s3, |
251
|
|
|
|
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|
|
bucket => $self->{bucket}, |
252
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2
|
100
|
|
|
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881
|
key => $key, |
253
|
|
|
|
|
|
|
headers => +{ |
254
|
|
|
|
|
|
|
'X-Amz-Meta-Md5' => $md5, |
255
|
|
|
|
|
|
|
$content_type ? ( 'Content-type' => $content_type ) : () |
256
|
|
|
|
|
|
|
} |
257
|
|
|
|
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|
|
)->http_request; |
258
|
|
|
|
|
|
|
|
259
|
2
|
|
|
|
|
8526
|
my $xpc = $self->{client}->_send_request_xpc($http_request); |
260
|
2
|
|
|
|
|
12545
|
my $upload_id = $xpc->findvalue('//s3:UploadId'); |
261
|
2
|
50
|
|
|
|
253
|
confess "Couldn't get upload id from initiate_multipart_upload response XML" |
262
|
|
|
|
|
|
|
unless $upload_id; |
263
|
|
|
|
|
|
|
|
264
|
2
|
|
|
|
|
125
|
+{ key => $key, upload_id => $upload_id, object => $object, md5 => $md5}; |
265
|
|
|
|
|
|
|
} |
266
|
|
|
|
|
|
|
|
267
|
|
|
|
|
|
|
=head2 upload_part |
268
|
|
|
|
|
|
|
|
269
|
|
|
|
|
|
|
Uploads part of the data when multipart uploading |
270
|
|
|
|
|
|
|
|
271
|
|
|
|
|
|
|
Parameters: |
272
|
|
|
|
|
|
|
|
273
|
|
|
|
|
|
|
1) $self |
274
|
|
|
|
|
|
|
|
275
|
|
|
|
|
|
|
2) $multipart_upload - reference, obtained from initiate_multipart_upload |
276
|
|
|
|
|
|
|
|
277
|
|
|
|
|
|
|
3) $part_number - part number, from 1 and higher. |
278
|
|
|
|
|
|
|
|
279
|
|
|
|
|
|
|
Works only if parts were uploaded in turn with increasing numbers (which is natural, if it is sequential uploading, |
280
|
|
|
|
|
|
|
and makes it impossible for parallel upload from different processes) |
281
|
|
|
|
|
|
|
|
282
|
|
|
|
|
|
|
Returns nothing |
283
|
|
|
|
|
|
|
|
284
|
|
|
|
|
|
|
=cut |
285
|
|
|
|
|
|
|
|
286
|
|
|
|
|
|
|
sub upload_part { |
287
|
2
|
|
|
2
|
1
|
17
|
my ($self, $multipart_upload, $part_number) = (shift, shift, shift); |
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
$multipart_upload->{object}->put_part( |
290
|
|
|
|
|
|
|
upload_id => $multipart_upload->{upload_id}, |
291
|
2
|
|
|
|
|
22
|
part_number => $part_number, |
292
|
|
|
|
|
|
|
value => $_[0] |
293
|
|
|
|
|
|
|
); |
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
# TODO:Part numbers should be in accessing order (in case someone uploads in parallel) ! |
296
|
2
|
|
100
|
|
|
21163
|
push @{$multipart_upload->{parts} ||= [] }, $part_number; |
|
2
|
|
|
|
|
38
|
|
297
|
2
|
|
100
|
|
|
6
|
push @{$multipart_upload->{etags} ||= [] }, md5_hex($_[0]); |
|
2
|
|
|
|
|
38
|
|
298
|
|
|
|
|
|
|
} |
299
|
|
|
|
|
|
|
|
300
|
|
|
|
|
|
|
=head2 complete_multipart_upload |
301
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
Finalize multipart upload |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
Parameters: |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
1) $self |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
2) $multipart_upload - reference, obtained from initiate_multipart_upload |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
returns nothing. throws an exception, if something is wrong. |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
=cut |
313
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
sub complete_multipart_upload { |
315
|
1
|
|
|
1
|
1
|
9
|
my ($self, $multipart_upload) = @_; |
316
|
|
|
|
|
|
|
|
317
|
|
|
|
|
|
|
$multipart_upload->{object}->complete_multipart_upload( |
318
|
|
|
|
|
|
|
upload_id => $multipart_upload->{upload_id}, |
319
|
|
|
|
|
|
|
etags => $multipart_upload->{etags}, |
320
|
|
|
|
|
|
|
part_numbers => $multipart_upload->{parts} |
321
|
1
|
|
|
|
|
8
|
); |
322
|
|
|
|
|
|
|
} |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
=head2 download_with_range |
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
Downloads an object with the HTTP Range header (ie, part of the data). |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
Parameters: |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
1) $self |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
2) $key - object name |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
3) $first - first byte for Range |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
4) $last - last byte for Range |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
If $first, $last are missing or undef, the entire file is downloaded, without the Range header |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
If $last is missing, downloads data from a specific position to the end (as well as in the Range specification). |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
If the object is missing, returns an empty list. If other error - an exception. |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
Returns: |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
1) Scalar Ref on downloaded data |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
2) The number of remaining bytes that can still be downloaded (or undef, if $first parameter was not present) |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
3) ETag header with deleted quotes (or undef if it is missing) |
351
|
|
|
|
|
|
|
|
352
|
|
|
|
|
|
|
4) X-Amz-Meta-Md5 header (or undef if it is missing) |
353
|
|
|
|
|
|
|
|
354
|
|
|
|
|
|
|
=cut |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
sub download_with_range { |
357
|
5
|
|
|
5
|
1
|
213
|
my ($self, $key, $first, $last) = @_; |
358
|
|
|
|
|
|
|
|
359
|
5
|
50
|
|
|
|
21
|
confess "Missing bucket" unless $self->{bucket}; |
360
|
|
|
|
|
|
|
|
361
|
|
|
|
|
|
|
# TODO: How and when to validate ETag here? |
362
|
|
|
|
|
|
|
my $http_request = Net::Amazon::S3::Request::GetObject->new( |
363
|
|
|
|
|
|
|
s3 => $self->{client}->s3, |
364
|
|
|
|
|
|
|
bucket => $self->{bucket}, |
365
|
5
|
|
|
|
|
160
|
key => $key, |
366
|
|
|
|
|
|
|
method => 'GET', |
367
|
|
|
|
|
|
|
)->http_request; |
368
|
|
|
|
|
|
|
|
369
|
5
|
100
|
|
|
|
18163
|
if (defined $first) { |
370
|
1
|
|
50
|
|
|
47
|
$last //= ''; |
371
|
1
|
|
|
|
|
5
|
$http_request->headers->header("Range", "bytes=$first-$last"); |
372
|
|
|
|
|
|
|
} |
373
|
|
|
|
|
|
|
|
374
|
5
|
|
|
|
|
340
|
my $http_response = $self->{client}->_send_request_raw($http_request); |
375
|
|
|
|
|
|
|
#print $http_request->as_string, $http_response->as_string ; |
376
|
5
|
100
|
100
|
|
|
27229
|
if ( $http_response->code == 404 && $http_response->decoded_content =~ m!<Code>NoSuchKey</Code>!) { |
|
|
100
|
|
|
|
|
|
377
|
1
|
|
|
|
|
2982
|
return; |
378
|
|
|
|
|
|
|
} |
379
|
|
|
|
|
|
|
elsif (is_error($http_response->code)) { |
380
|
1
|
|
|
|
|
615
|
my ($err) = $http_response->decoded_content =~ m!<Code>(.*)</Code>!; |
381
|
1
|
|
50
|
|
|
493
|
$err //= 'none'; |
382
|
1
|
|
|
|
|
5
|
confess "Unknown error ".$http_response->code." $err"; |
383
|
|
|
|
|
|
|
} else { |
384
|
3
|
|
|
|
|
80
|
my $left = undef; |
385
|
3
|
100
|
|
|
|
12
|
if (defined $first) { |
386
|
1
|
|
33
|
|
|
4
|
my $range = $http_response->header('Content-Range') // confess; |
387
|
1
|
50
|
|
|
|
54
|
my ($f, $l, $total) = $range =~ m!bytes (\d+)\-(\d+)/(\d+)! or confess; |
388
|
1
|
|
|
|
|
4
|
$left = $total - ( $l + 1); |
389
|
|
|
|
|
|
|
} |
390
|
|
|
|
|
|
|
|
391
|
3
|
|
|
|
|
9
|
my $etag = $http_response->header('ETag'); |
392
|
3
|
50
|
|
|
|
151
|
if ($etag) { |
393
|
3
|
|
|
|
|
14
|
$etag =~ s/^"//; |
394
|
3
|
|
|
|
|
12
|
$etag =~ s/"$//; |
395
|
|
|
|
|
|
|
} |
396
|
|
|
|
|
|
|
|
397
|
3
|
|
|
|
|
11
|
my $custom_md5 = $http_response->header('X-Amz-Meta-Md5'); |
398
|
|
|
|
|
|
|
|
399
|
3
|
|
|
|
|
215
|
return (\$http_response->decoded_content, $left, $etag, $custom_md5); |
400
|
|
|
|
|
|
|
} |
401
|
|
|
|
|
|
|
} |
402
|
|
|
|
|
|
|
|
403
|
|
|
|
|
|
|
=head2 size |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
Gets the size of the object using the HTTP HEAD request. |
406
|
|
|
|
|
|
|
|
407
|
|
|
|
|
|
|
Parameters: |
408
|
|
|
|
|
|
|
|
409
|
|
|
|
|
|
|
1) $self |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
2) $key - object name |
412
|
|
|
|
|
|
|
|
413
|
|
|
|
|
|
|
If the object does not exist, it returns undef. If other error - an exception. Returns size in bytes. |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
=cut |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
sub size { |
418
|
4
|
|
|
4
|
1
|
162
|
my ($self, $key) = @_; |
419
|
|
|
|
|
|
|
|
420
|
4
|
50
|
|
|
|
21
|
confess "Missing bucket" unless $self->{bucket}; |
421
|
|
|
|
|
|
|
|
422
|
|
|
|
|
|
|
my $http_request = Net::Amazon::S3::Request::GetObject->new( |
423
|
|
|
|
|
|
|
s3 => $self->{client}->s3, |
424
|
|
|
|
|
|
|
bucket => $self->{bucket}, |
425
|
4
|
|
|
|
|
128
|
key => $key, |
426
|
|
|
|
|
|
|
method => 'HEAD', |
427
|
|
|
|
|
|
|
)->http_request; |
428
|
|
|
|
|
|
|
|
429
|
4
|
|
|
|
|
13922
|
my $http_response = $self->{client}->_send_request_raw($http_request); |
430
|
4
|
100
|
|
|
|
21317
|
if ( $http_response->code == 404) { # It's not possible to distinct between NoSuchkey and NoSuchBucket?? |
|
|
100
|
|
|
|
|
|
431
|
1
|
|
|
|
|
23
|
return undef; |
432
|
|
|
|
|
|
|
} |
433
|
|
|
|
|
|
|
elsif (is_error($http_response->code)) { |
434
|
1
|
|
|
|
|
25
|
confess "Unknown error ".$http_response->code; |
435
|
|
|
|
|
|
|
} |
436
|
|
|
|
|
|
|
else { |
437
|
2
|
|
100
|
|
|
51
|
return $http_response->header('Content-Length') // 0; |
438
|
|
|
|
|
|
|
} |
439
|
|
|
|
|
|
|
|
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
|
442
|
|
|
|
|
|
|
} |
443
|
|
|
|
|
|
|
|
444
|
|
|
|
|
|
|
=head2 delete |
445
|
|
|
|
|
|
|
|
446
|
|
|
|
|
|
|
Deletes an object |
447
|
|
|
|
|
|
|
|
448
|
|
|
|
|
|
|
Parameters: |
449
|
|
|
|
|
|
|
|
450
|
|
|
|
|
|
|
1) $self |
451
|
|
|
|
|
|
|
|
452
|
|
|
|
|
|
|
2) $key - object name |
453
|
|
|
|
|
|
|
|
454
|
|
|
|
|
|
|
Returns nothing. If the object did not exist, does not signal about it. |
455
|
|
|
|
|
|
|
|
456
|
|
|
|
|
|
|
=cut |
457
|
|
|
|
|
|
|
|
458
|
|
|
|
|
|
|
sub delete { |
459
|
1
|
|
|
1
|
1
|
46
|
my ($self, $key) = @_; |
460
|
|
|
|
|
|
|
|
461
|
1
|
|
|
|
|
6
|
$self->_request_object->object( key => $key )->delete; |
462
|
|
|
|
|
|
|
} |
463
|
|
|
|
|
|
|
|
464
|
|
|
|
|
|
|
=head2 query_string_authentication_uri |
465
|
|
|
|
|
|
|
|
466
|
|
|
|
|
|
|
Returns Query String Authentication URL for key $key, with expire time $expires |
467
|
|
|
|
|
|
|
|
468
|
|
|
|
|
|
|
=cut |
469
|
|
|
|
|
|
|
|
470
|
|
|
|
|
|
|
sub query_string_authentication_uri { |
471
|
2
|
|
|
2
|
1
|
18
|
my ($self, $key, $expires) = @_; |
472
|
|
|
|
|
|
|
|
473
|
2
|
|
|
|
|
8
|
$self->_request_object->object( key => $key, expires => $expires )->query_string_authentication_uri; |
474
|
|
|
|
|
|
|
} |
475
|
|
|
|
|
|
|
|
476
|
|
|
|
|
|
|
|
477
|
|
|
|
|
|
|
1; |