Class: Miasma::Models::Storage::Aws
- Inherits:
-
Miasma::Models::Storage
- Object
- Types::Api
- Miasma::Models::Storage
- Miasma::Models::Storage::Aws
- Defined in:
- lib/miasma/contrib/aws/storage.rb
Constant Summary collapse
- API_SERVICE =
Service name of the API
's3'
- API_VERSION =
Supported version of the AutoScaling API
'2006-03-01'
Constants inherited from Miasma::Models::Storage
MAX_BODY_SIZE_FOR_STRINGIFY, READ_BODY_CHUNK_SIZE
Instance Method Summary collapse
-
#bucket_all ⇒ Array<Models::Storage::Bucket>
Return all buckets.
-
#bucket_destroy(bucket) ⇒ TrueClass, FalseClass
Destroy bucket.
-
#bucket_endpoint(bucket) ⇒ String
Custom bucket endpoint.
-
#bucket_reload(bucket) ⇒ Models::Storage::Bucket
Reload the bucket.
-
#bucket_save(bucket) ⇒ Models::Storage::Bucket
Save bucket.
-
#file_all(bucket) ⇒ Array<File>
Return all files within bucket.
-
#file_body(file) ⇒ IO, HTTP::Response::Body
Fetch the contents of the file.
-
#file_destroy(file) ⇒ TrueClass, FalseClass
Destroy file.
-
#file_filter(bucket, args) ⇒ Array<Models::Storage::File>
Return filtered files.
-
#file_path(file) ⇒ String
Escaped file path.
-
#file_reload(file) ⇒ Models::Storage::File
Reload the file.
-
#file_save(file) ⇒ Models::Storage::File
Save file.
-
#file_url(file, timeout_secs) ⇒ String
Create publicly accessible URL.
-
#initialize(args) ⇒ Aws
constructor
Simple init override to force HOST and adjust region for signatures if required.
-
#update_request(con, opts) ⇒ TrueClass
Simple callback to allow request option adjustments prior to signature calculation.
Methods included from Contrib::AwsApiCore::RequestUtils
Methods included from Contrib::AwsApiCore::ApiCommon
#api_for, #connect, #connection, #endpoint, included, #make_request, #uri_escape
Methods inherited from Miasma::Models::Storage
Methods inherited from Types::Api
#api_for, #connect, #connection, #endpoint, #format_response, #make_request, #provider, #request
Methods included from Utils::Memoization
#_memo, #clear_memoizations!, #memoize, #unmemoize
Methods included from Utils::Lazy
Constructor Details
#initialize(args) ⇒ Aws
Simple init override to force HOST and adjust region for signatures if required
20 21 22 23 24 25 26 27 28 29 30 31 |
# File 'lib/miasma/contrib/aws/storage.rb', line 20 def initialize(args) args = args.to_smash cache_region = args[:aws_region] args[:aws_region] = args.fetch(:aws_bucket_region, 'us-east-1') super(args) aws_region = cache_region if(aws_bucket_region) self.aws_host = "s3-#{aws_bucket_region}.amazonaws.com" else self.aws_host = 's3.amazonaws.com' end end |
Instance Method Details
#bucket_all ⇒ Array<Models::Storage::Bucket>
Return all buckets
119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 |
# File 'lib/miasma/contrib/aws/storage.rb', line 119 def bucket_all result = all_result_pages(nil, :body, 'ListAllMyBucketsResult', 'Buckets', 'Bucket') do || request( :path => '/', :params => ) end result.map do |bkt| Bucket.new( self, :id => bkt['Name'], :name => bkt['Name'], :created => bkt['CreationDate'] ).valid_state end end |
#bucket_destroy(bucket) ⇒ TrueClass, FalseClass
Destroy bucket
69 70 71 72 73 74 75 76 77 78 79 80 81 |
# File 'lib/miasma/contrib/aws/storage.rb', line 69 def bucket_destroy(bucket) if(bucket.persisted?) request( :path => '/', :method => :delete, :endpoint => bucket_endpoint(bucket), :expects => 204 ) true else false end end |
#bucket_endpoint(bucket) ⇒ String
properly escape bucket name
Custom bucket endpoint
112 113 114 |
# File 'lib/miasma/contrib/aws/storage.rb', line 112 def bucket_endpoint(bucket) ::File.join(endpoint, bucket.name) end |
#bucket_reload(bucket) ⇒ Models::Storage::Bucket
Reload the bucket
87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 |
# File 'lib/miasma/contrib/aws/storage.rb', line 87 def bucket_reload(bucket) if(bucket.persisted?) begin result = request( :path => '/', :method => :head, :endpoint => bucket_endpoint(bucket) ) rescue Error::ApiError::RequestError => e if(e.response.status == 404) bucket.data.clear bucket.dirty.clear else raise end end end bucket end |
#bucket_save(bucket) ⇒ Models::Storage::Bucket
Save bucket
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 |
# File 'lib/miasma/contrib/aws/storage.rb', line 37 def bucket_save(bucket) unless(bucket.persisted?) req_args = Smash.new( :method => :put, :path => '/', :endpoint => bucket_endpoint(bucket) ) if(aws_bucket_region) req_args[:body] = XmlSimple.xml_out( Smash.new( 'CreateBucketConfiguration' => { 'LocationConstraint' => aws_bucket_region } ), 'AttrPrefix' => true, 'KeepRoot' => true ) req_args[:headers] = Smash.new( 'Content-Length' => req_args[:body].size.to_s ) end request(req_args) bucket.id = bucket.name bucket.valid_state end bucket end |
#file_all(bucket) ⇒ Array<File>
Return all files within bucket
167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 |
# File 'lib/miasma/contrib/aws/storage.rb', line 167 def file_all(bucket) result = all_result_pages(nil, :body, 'ListBucketResult', 'Contents') do || request( :path => '/', :params => , :endpoint => bucket_endpoint(bucket) ) end result.map do |file| File.new( bucket, :id => ::File.join(bucket.name, file['Key']), :name => file['Key'], :updated => file['LastModified'], :size => file['Size'].to_i ).valid_state end end |
#file_body(file) ⇒ IO, HTTP::Response::Body
Fetch the contents of the file
356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 |
# File 'lib/miasma/contrib/aws/storage.rb', line 356 def file_body(file) if(file.persisted?) result = request( :path => file_path(file), :endpoint => bucket_endpoint(file.bucket), :disable_body_extraction => true ) content = result[:body] begin if(content.is_a?(String)) StringIO.new(content) else if(content.respond_to?(:stream!)) content.stream! end content end rescue HTTP::StateError StringIO.new(content.to_s) end else StringIO.new('') end end |
#file_destroy(file) ⇒ TrueClass, FalseClass
Destroy file
292 293 294 295 296 297 298 299 300 301 302 303 304 |
# File 'lib/miasma/contrib/aws/storage.rb', line 292 def file_destroy(file) if(file.persisted?) request( :method => :delete, :path => file_path(file), :endpoint => bucket_endpoint(file.bucket), :expects => 204 ) true else false end end |
#file_filter(bucket, args) ⇒ Array<Models::Storage::File>
Return filtered files
140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 |
# File 'lib/miasma/contrib/aws/storage.rb', line 140 def file_filter(bucket, args) if(args[:prefix]) result = request( :path => '/', :endpoint => bucket_endpoint(bucket), :params => Smash.new( :prefix => args[:prefix] ) ) [result.get(:body, 'ListBucketResult', 'Contents')].flatten.compact.map do |file| File.new( bucket, :id => ::File.join(bucket.name, file['Key']), :name => file['Key'], :updated => file['LastModified'], :size => file['Size'].to_i ).valid_state end else bucket_all end end |
#file_path(file) ⇒ String
Returns escaped file path.
396 397 398 399 400 |
# File 'lib/miasma/contrib/aws/storage.rb', line 396 def file_path(file) file.name.split('/').map do |part| uri_escape(part) end.join('/') end |
#file_reload(file) ⇒ Models::Storage::File
Reload the file
310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 |
# File 'lib/miasma/contrib/aws/storage.rb', line 310 def file_reload(file) if(file.persisted?) name = file.name result = request( :path => file_path(file), :endpoint => bucket_endpoint(file.bucket) ) file.data.clear && file.dirty.clear info = result[:headers] file.load_data( :id => ::File.join(file.bucket.name, name), :name => name, :updated => info[:last_modified], :etag => info[:etag], :size => info[:content_length].to_i, :content_type => info[:content_type] ).valid_state end file end |
#file_save(file) ⇒ Models::Storage::File
Save file
190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 |
# File 'lib/miasma/contrib/aws/storage.rb', line 190 def file_save(file) if(file.dirty?) file.load_data(file.attributes) args = Smash.new args[:headers] = Smash[ Smash.new( :content_type => 'Content-Type', :content_disposition => 'Content-Disposition', :content_encoding => 'Content-Encoding' ).map do |attr, key| if(file.attributes[attr]) [key, file.attributes[attr]] end end.compact ] if(file.attributes[:body].is_a?(IO) && file.body.size >= Storage::MAX_BODY_SIZE_FOR_STRINGIFY) upload_id = request( args.merge( Smash.new( :path => file_path(file), :endpoint => bucket_endpoint(bucket), :params => { :uploads => true } ) ) ).get(:body, 'InitiateMultipartUploadResult', 'UploadId') count = 1 parts = [] file.body.rewind while(content = file.body.read(Storage::READ_BODY_CHUNK_SIZE)) parts << [ count, request( :method => :put, :path => file_path(file), :endpoint => bucket_endpoint(bucket), :headers => Smash.new( 'Content-Length' => content.size, 'Content-MD5' => Digest::MD5.hexdigest(content) ), :params => Smash.new( 'partNumber' => count, 'uploadId' => upload_id ), :body => content ).get(:body, :headers, :etag) ] count += 1 end complete = SimpleXml.xml_out( Smash.new( 'CompleteMultipartUpload' => { 'Part' => parts.map{|part| {'PartNumber' => part.first, 'ETag' => part.last} } } ), 'AttrPrefix' => true, 'KeepRoot' => true ) result = request( :method => :post, :path => file_path(file), :endpoint => bucket_endpoint(file.bucket), :params => Smash.new( 'UploadId' => upload_id ), :headers => Smash.new( 'Content-Length' => complete.size ), :body => complete ) file.etag = result.get(:body, 'CompleteMultipartUploadResult', 'ETag') else if(file.attributes[:body].is_a?(IO) || file.attributes[:body].is_a?(StringIO)) args[:headers]['Content-Length'] = file.body.size.to_s file.body.rewind args[:body] = file.body.read file.body.rewind end result = request( args.merge( Smash.new( :method => :put, :path => file_path(file), :endpoint => bucket_endpoint(file.bucket) ) ) ) file.etag = result.get(:headers, :etag) end file.id = ::File.join(file.bucket.name, file.name) file.valid_state end file end |
#file_url(file, timeout_secs) ⇒ String
Create publicly accessible URL
335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 |
# File 'lib/miasma/contrib/aws/storage.rb', line 335 def file_url(file, timeout_secs) if(file.persisted?) signer.generate_url( :get, ::File.join(uri_escape(file.bucket.name), file_path(file)), :headers => Smash.new( 'Host' => aws_host ), :params => Smash.new( 'X-Amz-Date' => Contrib::AwsApiCore.time_iso8601, 'X-Amz-Expires' => timeout_secs ) ) else raise Error::ModelPersistError.new "#{file} has not been saved!" end end |
#update_request(con, opts) ⇒ TrueClass
this only updates when :body is defined. if a :post is
Simple callback to allow request option adjustments prior to signature calculation
happening (which implicitly forces :form) or :json is used it will not properly checksum. (but that’s probably okay)
389 390 391 392 393 |
# File 'lib/miasma/contrib/aws/storage.rb', line 389 def update_request(con, opts) con.default_headers['x-amz-content-sha256'] = Digest::SHA256. hexdigest(opts.fetch(:body, '')) true end |