Update github.com/NYTimes/gziphandler

This commit is contained in:
Jordan Liggitt 2021-02-03 16:57:36 -05:00
parent 074a517720
commit 4e7a9e5bcc
20 changed files with 696 additions and 85 deletions

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@ -1,17 +1,205 @@
= vendor/github.com/NYTimes/gziphandler licensed under: =
Copyright (c) 2015 The New York Times Company
Apache License
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Licensed under the Apache License, Version 2.0 (the "License");
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= vendor/github.com/NYTimes/gziphandler/LICENSE.md e30b94cbe70132b181f72f953fbb3c82
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Copyright 2016-2017 The New York Times Company
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= vendor/github.com/NYTimes/gziphandler/LICENSE 69b0fc8968f6bb69f0abba8730fddff9

2
go.mod
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@ -170,7 +170,7 @@ replace (
github.com/MakeNowJust/heredoc => github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd
github.com/Microsoft/go-winio => github.com/Microsoft/go-winio v0.4.15
github.com/Microsoft/hcsshim => github.com/Microsoft/hcsshim v0.8.10-0.20200715222032-5eafd1556990
github.com/NYTimes/gziphandler => github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46
github.com/NYTimes/gziphandler => github.com/NYTimes/gziphandler v1.1.1
github.com/PuerkitoBio/purell => github.com/PuerkitoBio/purell v1.1.1
github.com/PuerkitoBio/urlesc => github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578
github.com/agnivade/levenshtein => github.com/agnivade/levenshtein v1.0.1

4
go.sum
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@ -43,8 +43,8 @@ github.com/Microsoft/go-winio v0.4.15 h1:qkLXKzb1QoVatRyd/YlXZ/Kg0m5K3SPuoD82jjS
github.com/Microsoft/go-winio v0.4.15/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
github.com/Microsoft/hcsshim v0.8.10-0.20200715222032-5eafd1556990 h1:1xpVY4dSUSbW3PcSGxZJhI8Z+CJiqbd933kM7HIinTc=
github.com/Microsoft/hcsshim v0.8.10-0.20200715222032-5eafd1556990/go.mod h1:ay/0dTb7NsG8QMDfsRfLHgZo/6xAJShLe1+ePPflihk=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=

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@ -35,6 +35,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=

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@ -5,6 +5,7 @@ module k8s.io/apiserver
go 1.15
require (
github.com/NYTimes/gziphandler v1.1.1 // indirect
github.com/coreos/go-oidc v2.1.0+incompatible
github.com/coreos/go-semver v0.3.0 // indirect
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e

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@ -35,6 +35,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=

View File

@ -36,6 +36,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=

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@ -45,6 +45,8 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=

View File

@ -35,6 +35,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=

View File

@ -34,6 +34,7 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=

View File

@ -51,6 +51,7 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
github.com/GoogleCloudPlatform/k8s-cloud-provider v0.0.0-20200415212048-7901bc822317 h1:JhyuWIqYrstW7KHMjk/fTqU0xtMpBOHuiTA2FVc7L4E=
github.com/GoogleCloudPlatform/k8s-cloud-provider v0.0.0-20200415212048-7901bc822317/go.mod h1:DF8FZRxMHMGv/vP2lQP6h+dYzzjpuRn24VeRiYn3qjQ=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=

View File

@ -35,6 +35,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=

View File

@ -1,6 +1,10 @@
language: go
go:
- 1.7
- 1.8
- 1.x
- tip
env:
- GO111MODULE=on
install:
- go mod download
script:
- go test -race -v

201
vendor/github.com/NYTimes/gziphandler/LICENSE generated vendored Normal file
View File

@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
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7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright 2016-2017 The New York Times Company
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@ -1,13 +0,0 @@
Copyright (c) 2015 The New York Times Company
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this library except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@ -6,6 +6,10 @@ response body, for clients which support it. Although it's usually simpler to
leave that to a reverse proxy (like nginx or Varnish), this package is useful
when that's undesirable.
## Install
```bash
go get -u github.com/NYTimes/gziphandler
```
## Usage
@ -48,5 +52,5 @@ The docs can be found at [godoc.org][docs], as usual.
[docs]: https://godoc.org/github.com/nytimes/gziphandler
[license]: https://github.com/nytimes/gziphandler/blob/master/LICENSE.md
[docs]: https://godoc.org/github.com/NYTimes/gziphandler
[license]: https://github.com/NYTimes/gziphandler/blob/master/LICENSE

5
vendor/github.com/NYTimes/gziphandler/go.mod generated vendored Normal file
View File

@ -0,0 +1,5 @@
module github.com/NYTimes/gziphandler
go 1.11
require github.com/stretchr/testify v1.3.0

7
vendor/github.com/NYTimes/gziphandler/go.sum generated vendored Normal file
View File

@ -0,0 +1,7 @@
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=

View File

@ -1,10 +1,11 @@
package gziphandler
package gziphandler // import "github.com/NYTimes/gziphandler"
import (
"bufio"
"compress/gzip"
"fmt"
"io"
"mime"
"net"
"net/http"
"strconv"
@ -28,9 +29,11 @@ const (
// The examples seem to indicate that it is.
DefaultQValue = 1.0
// DefaultMinSize defines the minimum size to reach to enable compression.
// It's 512 bytes.
DefaultMinSize = 512
// DefaultMinSize is the default minimum size until we enable gzip compression.
// 1500 bytes is the MTU size for the internet since that is the largest size allowed at the network layer.
// If you take a file that is 1300 bytes and compress it to 800 bytes, its still transmitted in that same 1500 byte packet regardless, so youve gained nothing.
// That being the case, you should restrict the gzip compression to files with a size greater than a single packet, 1400 bytes (1.4KB) is a safe value.
DefaultMinSize = 1400
)
// gzipWriterPools stores a sync.Pool for each compression level for reuse of
@ -80,40 +83,71 @@ type GzipResponseWriter struct {
minSize int // Specifed the minimum response size to gzip. If the response length is bigger than this value, it is compressed.
buf []byte // Holds the first part of the write before reaching the minSize or the end of the write.
ignore bool // If true, then we immediately passthru writes to the underlying ResponseWriter.
contentTypes []parsedContentType // Only compress if the response is one of these content-types. All are accepted if empty.
}
type GzipResponseWriterWithCloseNotify struct {
*GzipResponseWriter
}
func (w GzipResponseWriterWithCloseNotify) CloseNotify() <-chan bool {
return w.ResponseWriter.(http.CloseNotifier).CloseNotify()
}
// Write appends data to the gzip writer.
func (w *GzipResponseWriter) Write(b []byte) (int, error) {
// If content type is not set.
if _, ok := w.Header()[contentType]; !ok {
// It infer it from the uncompressed body.
w.Header().Set(contentType, http.DetectContentType(b))
}
// GZIP responseWriter is initialized. Use the GZIP responseWriter.
if w.gw != nil {
n, err := w.gw.Write(b)
return n, err
return w.gw.Write(b)
}
// If we have already decided not to use GZIP, immediately passthrough.
if w.ignore {
return w.ResponseWriter.Write(b)
}
// Save the write into a buffer for later use in GZIP responseWriter (if content is long enough) or at close with regular responseWriter.
// On the first write, w.buf changes from nil to a valid slice
w.buf = append(w.buf, b...)
// If the global writes are bigger than the minSize, compression is enable.
if len(w.buf) >= w.minSize {
err := w.startGzip()
if err != nil {
return 0, err
var (
cl, _ = strconv.Atoi(w.Header().Get(contentLength))
ct = w.Header().Get(contentType)
ce = w.Header().Get(contentEncoding)
)
// Only continue if they didn't already choose an encoding or a known unhandled content length or type.
if ce == "" && (cl == 0 || cl >= w.minSize) && (ct == "" || handleContentType(w.contentTypes, ct)) {
// If the current buffer is less than minSize and a Content-Length isn't set, then wait until we have more data.
if len(w.buf) < w.minSize && cl == 0 {
return len(b), nil
}
// If the Content-Length is larger than minSize or the current buffer is larger than minSize, then continue.
if cl >= w.minSize || len(w.buf) >= w.minSize {
// If a Content-Type wasn't specified, infer it from the current buffer.
if ct == "" {
ct = http.DetectContentType(w.buf)
w.Header().Set(contentType, ct)
}
// If the Content-Type is acceptable to GZIP, initialize the GZIP writer.
if handleContentType(w.contentTypes, ct) {
if err := w.startGzip(); err != nil {
return 0, err
}
return len(b), nil
}
}
}
// If we got here, we should not GZIP this response.
if err := w.startPlain(); err != nil {
return 0, err
}
return len(b), nil
}
// startGzip initialize any GZIP specific informations.
// startGzip initializes a GZIP writer and writes the buffer.
func (w *GzipResponseWriter) startGzip() error {
// Set the GZIP header.
w.Header().Set(contentEncoding, "gzip")
@ -125,28 +159,57 @@ func (w *GzipResponseWriter) startGzip() error {
// Write the header to gzip response.
if w.code != 0 {
w.ResponseWriter.WriteHeader(w.code)
// Ensure that no other WriteHeader's happen
w.code = 0
}
// Initialize the GZIP response.
w.init()
// Initialize and flush the buffer into the gzip response if there are any bytes.
// If there aren't any, we shouldn't initialize it yet because on Close it will
// write the gzip header even if nothing was ever written.
if len(w.buf) > 0 {
// Initialize the GZIP response.
w.init()
n, err := w.gw.Write(w.buf)
// Flush the buffer into the gzip reponse.
n, err := w.gw.Write(w.buf)
// This should never happen (per io.Writer docs), but if the write didn't
// accept the entire buffer but returned no specific error, we have no clue
// what's going on, so abort just to be safe.
if err == nil && n < len(w.buf) {
err = io.ErrShortWrite
}
return err
}
return nil
}
// startPlain writes to sent bytes and buffer the underlying ResponseWriter without gzip.
func (w *GzipResponseWriter) startPlain() error {
if w.code != 0 {
w.ResponseWriter.WriteHeader(w.code)
// Ensure that no other WriteHeader's happen
w.code = 0
}
w.ignore = true
// If Write was never called then don't call Write on the underlying ResponseWriter.
if w.buf == nil {
return nil
}
n, err := w.ResponseWriter.Write(w.buf)
w.buf = nil
// This should never happen (per io.Writer docs), but if the write didn't
// accept the entire buffer but returned no specific error, we have no clue
// what's going on, so abort just to be safe.
if err == nil && n < len(w.buf) {
return io.ErrShortWrite
err = io.ErrShortWrite
}
w.buf = nil
return err
}
// WriteHeader just saves the response code until close or GZIP effective writes.
func (w *GzipResponseWriter) WriteHeader(code int) {
w.code = code
if w.code == 0 {
w.code = code
}
}
// init graps a new gzip writer from the gzipWriterPool and writes the correct
@ -161,21 +224,20 @@ func (w *GzipResponseWriter) init() {
// Close will close the gzip.Writer and will put it back in the gzipWriterPool.
func (w *GzipResponseWriter) Close() error {
if w.gw == nil {
// Gzip not trigged yet, write out regular response.
if w.code != 0 {
w.ResponseWriter.WriteHeader(w.code)
}
if w.buf != nil {
_, writeErr := w.ResponseWriter.Write(w.buf)
// Returns the error if any at write.
if writeErr != nil {
return fmt.Errorf("gziphandler: write to regular responseWriter at close gets error: %q", writeErr.Error())
}
}
if w.ignore {
return nil
}
if w.gw == nil {
// GZIP not triggered yet, write out regular response.
err := w.startPlain()
// Returns the error if any at write.
if err != nil {
err = fmt.Errorf("gziphandler: write to regular responseWriter at close gets error: %q", err.Error())
}
return err
}
err := w.gw.Close()
gzipWriterPools[w.index].Put(w.gw)
w.gw = nil
@ -186,6 +248,14 @@ func (w *GzipResponseWriter) Close() error {
// http.ResponseWriter if it is an http.Flusher. This makes GzipResponseWriter
// an http.Flusher.
func (w *GzipResponseWriter) Flush() {
if w.gw == nil && !w.ignore {
// Only flush once startGzip or startPlain has been called.
//
// Flush is thus a no-op until we're certain whether a plain
// or gzipped response will be served.
return
}
if w.gw != nil {
w.gw.Flush()
}
@ -230,27 +300,44 @@ func NewGzipLevelHandler(level int) (func(http.Handler) http.Handler, error) {
// NewGzipLevelAndMinSize behave as NewGzipLevelHandler except it let the caller
// specify the minimum size before compression.
func NewGzipLevelAndMinSize(level, minSize int) (func(http.Handler) http.Handler, error) {
if level != gzip.DefaultCompression && (level < gzip.BestSpeed || level > gzip.BestCompression) {
return nil, fmt.Errorf("invalid compression level requested: %d", level)
return GzipHandlerWithOpts(CompressionLevel(level), MinSize(minSize))
}
func GzipHandlerWithOpts(opts ...option) (func(http.Handler) http.Handler, error) {
c := &config{
level: gzip.DefaultCompression,
minSize: DefaultMinSize,
}
if minSize < 0 {
return nil, fmt.Errorf("minimum size must be more than zero")
for _, o := range opts {
o(c)
}
if err := c.validate(); err != nil {
return nil, err
}
return func(h http.Handler) http.Handler {
index := poolIndex(level)
index := poolIndex(c.level)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add(vary, acceptEncoding)
if acceptsGzip(r) {
gw := &GzipResponseWriter{
ResponseWriter: w,
index: index,
minSize: minSize,
minSize: c.minSize,
contentTypes: c.contentTypes,
}
defer gw.Close()
h.ServeHTTP(gw, r)
if _, ok := w.(http.CloseNotifier); ok {
gwcn := GzipResponseWriterWithCloseNotify{gw}
h.ServeHTTP(gwcn, r)
} else {
h.ServeHTTP(gw, r)
}
} else {
h.ServeHTTP(w, r)
}
@ -258,6 +345,98 @@ func NewGzipLevelAndMinSize(level, minSize int) (func(http.Handler) http.Handler
}, nil
}
// Parsed representation of one of the inputs to ContentTypes.
// See https://golang.org/pkg/mime/#ParseMediaType
type parsedContentType struct {
mediaType string
params map[string]string
}
// equals returns whether this content type matches another content type.
func (pct parsedContentType) equals(mediaType string, params map[string]string) bool {
if pct.mediaType != mediaType {
return false
}
// if pct has no params, don't care about other's params
if len(pct.params) == 0 {
return true
}
// if pct has any params, they must be identical to other's.
if len(pct.params) != len(params) {
return false
}
for k, v := range pct.params {
if w, ok := params[k]; !ok || v != w {
return false
}
}
return true
}
// Used for functional configuration.
type config struct {
minSize int
level int
contentTypes []parsedContentType
}
func (c *config) validate() error {
if c.level != gzip.DefaultCompression && (c.level < gzip.BestSpeed || c.level > gzip.BestCompression) {
return fmt.Errorf("invalid compression level requested: %d", c.level)
}
if c.minSize < 0 {
return fmt.Errorf("minimum size must be more than zero")
}
return nil
}
type option func(c *config)
func MinSize(size int) option {
return func(c *config) {
c.minSize = size
}
}
func CompressionLevel(level int) option {
return func(c *config) {
c.level = level
}
}
// ContentTypes specifies a list of content types to compare
// the Content-Type header to before compressing. If none
// match, the response will be returned as-is.
//
// Content types are compared in a case-insensitive, whitespace-ignored
// manner.
//
// A MIME type without any other directive will match a content type
// that has the same MIME type, regardless of that content type's other
// directives. I.e., "text/html" will match both "text/html" and
// "text/html; charset=utf-8".
//
// A MIME type with any other directive will only match a content type
// that has the same MIME type and other directives. I.e.,
// "text/html; charset=utf-8" will only match "text/html; charset=utf-8".
//
// By default, responses are gzipped regardless of
// Content-Type.
func ContentTypes(types []string) option {
return func(c *config) {
c.contentTypes = []parsedContentType{}
for _, v := range types {
mediaType, params, err := mime.ParseMediaType(v)
if err == nil {
c.contentTypes = append(c.contentTypes, parsedContentType{mediaType, params})
}
}
}
}
// GzipHandler wraps an HTTP handler, to transparently gzip the response body if
// the client supports it (via the Accept-Encoding header). This will compress at
// the default compression level.
@ -273,6 +452,27 @@ func acceptsGzip(r *http.Request) bool {
return acceptedEncodings["gzip"] > 0.0
}
// returns true if we've been configured to compress the specific content type.
func handleContentType(contentTypes []parsedContentType, ct string) bool {
// If contentTypes is empty we handle all content types.
if len(contentTypes) == 0 {
return true
}
mediaType, params, err := mime.ParseMediaType(ct)
if err != nil {
return false
}
for _, c := range contentTypes {
if c.equals(mediaType, params) {
return true
}
}
return false
}
// parseEncodings attempts to parse a list of codings, per RFC 2616, as might
// appear in an Accept-Encoding header. It returns a map of content-codings to
// quality values, and an error containing the errors encountered. It's probably

4
vendor/modules.txt vendored
View File

@ -104,9 +104,9 @@ github.com/Microsoft/hcsshim/internal/timeout
github.com/Microsoft/hcsshim/internal/vmcompute
github.com/Microsoft/hcsshim/internal/wclayer
github.com/Microsoft/hcsshim/osversion
# github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 => github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46
# github.com/NYTimes/gziphandler v1.1.1 => github.com/NYTimes/gziphandler v1.1.1
github.com/NYTimes/gziphandler
# github.com/NYTimes/gziphandler => github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46
# github.com/NYTimes/gziphandler => github.com/NYTimes/gziphandler v1.1.1
# github.com/PuerkitoBio/purell v1.1.1 => github.com/PuerkitoBio/purell v1.1.1
## explicit
github.com/PuerkitoBio/purell