Harshavardhana
8 years ago
parent
329a910b86
commit
1d134c1a94
@ -1,202 +0,0 @@ |
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Apache License |
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Version 2.0, January 2004 |
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http://www.apache.org/licenses/ |
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION |
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END OF TERMS AND CONDITIONS |
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APPENDIX: How to apply the Apache License to your work. |
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Copyright [yyyy] [name of copyright owner] |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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@ -1,39 +0,0 @@ |
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/* |
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* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 Minio, Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
|
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package s3signer |
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import ( |
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"crypto/hmac" |
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"crypto/sha256" |
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) |
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// unsignedPayload - value to be set to X-Amz-Content-Sha256 header when
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const unsignedPayload = "UNSIGNED-PAYLOAD" |
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// sum256 calculate sha256 sum for an input byte array.
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func sum256(data []byte) []byte { |
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hash := sha256.New() |
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hash.Write(data) |
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return hash.Sum(nil) |
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} |
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// sumHMAC calculate hmac between two input byte array.
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func sumHMAC(key []byte, data []byte) []byte { |
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hash := hmac.New(sha256.New, key) |
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hash.Write(data) |
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return hash.Sum(nil) |
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} |
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@ -1,19 +0,0 @@ |
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{ |
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"comment": "", |
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"ignore": "test", |
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"package": [ |
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{ |
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"checksumSHA1": "m/6/na9lVtamkfmIdIOi5pdccgw=", |
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"path": "github.com/minio/minio-go/pkg/s3signer", |
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"revision": "532b920ff28900244a2ef7d07468003df36fe7c5", |
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"revisionTime": "2016-12-20T20:43:13Z" |
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}, |
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{ |
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"checksumSHA1": "bPvxFS1qu6W9lOqdt8aEfS5Sids=", |
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"path": "github.com/minio/minio-go/pkg/s3utils", |
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"revision": "532b920ff28900244a2ef7d07468003df36fe7c5", |
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"revisionTime": "2016-12-20T20:43:13Z" |
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} |
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], |
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"rootPath": "github.com/minio/minio/pkg/madmin" |
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} |
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@ -0,0 +1,118 @@ |
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/* |
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* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 Minio, Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
|
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package s3signer |
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import ( |
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"bytes" |
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"crypto/hmac" |
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"crypto/sha256" |
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"encoding/hex" |
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"net/url" |
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"regexp" |
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"sort" |
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"strings" |
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"unicode/utf8" |
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) |
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// unsignedPayload - value to be set to X-Amz-Content-Sha256 header when
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const unsignedPayload = "UNSIGNED-PAYLOAD" |
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|
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// sum256 calculate sha256 sum for an input byte array.
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func sum256(data []byte) []byte { |
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hash := sha256.New() |
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hash.Write(data) |
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return hash.Sum(nil) |
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} |
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|
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// sumHMAC calculate hmac between two input byte array.
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func sumHMAC(key []byte, data []byte) []byte { |
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hash := hmac.New(sha256.New, key) |
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hash.Write(data) |
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return hash.Sum(nil) |
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} |
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//expects ascii encoded strings - from output of urlEncodePath
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func percentEncodeSlash(s string) string { |
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return strings.Replace(s, "/", "%2F", -1) |
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} |
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// queryEncode - encodes query values in their URL encoded form. In
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// addition to the percent encoding performed by urlEncodePath() used
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// here, it also percent encodes '/' (forward slash)
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func queryEncode(v url.Values) string { |
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if v == nil { |
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return "" |
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} |
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var buf bytes.Buffer |
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keys := make([]string, 0, len(v)) |
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for k := range v { |
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keys = append(keys, k) |
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} |
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sort.Strings(keys) |
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for _, k := range keys { |
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vs := v[k] |
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prefix := percentEncodeSlash(urlEncodePath(k)) + "=" |
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for _, v := range vs { |
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if buf.Len() > 0 { |
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buf.WriteByte('&') |
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} |
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buf.WriteString(prefix) |
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buf.WriteString(percentEncodeSlash(urlEncodePath(v))) |
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} |
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} |
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return buf.String() |
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} |
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// urlEncodePath encode the strings from UTF-8 byte representations to HTML hex escape sequences
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//
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// This is necessary since regular url.Parse() and url.Encode() functions do not support UTF-8
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// non english characters cannot be parsed due to the nature in which url.Encode() is written
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//
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// This function on the other hand is a direct replacement for url.Encode() technique to support
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// pretty much every UTF-8 character.
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func urlEncodePath(pathName string) string { |
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// if object matches reserved string, no need to encode them
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reservedNames := regexp.MustCompile("^[a-zA-Z0-9-_.~/]+$") |
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if reservedNames.MatchString(pathName) { |
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return pathName |
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} |
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var encodedPathname string |
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for _, s := range pathName { |
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if 'A' <= s && s <= 'Z' || 'a' <= s && s <= 'z' || '0' <= s && s <= '9' { // §2.3 Unreserved characters (mark)
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encodedPathname = encodedPathname + string(s) |
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continue |
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} |
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switch s { |
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case '-', '_', '.', '~', '/': // §2.3 Unreserved characters (mark)
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encodedPathname = encodedPathname + string(s) |
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continue |
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default: |
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len := utf8.RuneLen(s) |
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if len < 0 { |
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// if utf8 cannot convert return the same string as is
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return pathName |
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} |
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u := make([]byte, len) |
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utf8.EncodeRune(u, s) |
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for _, r := range u { |
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hex := hex.EncodeToString([]byte{r}) |
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encodedPathname = encodedPathname + "%" + strings.ToUpper(hex) |
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} |
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} |
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} |
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return encodedPathname |
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} |
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