Replace linkRegex with xurls library (#6261)
* Replace linkRegex with xurls library Rather than maintaining a complicated regex to match URLs for autolinking, gitea can use this existing go library that takes care of the matching with very little code change to gitea itself. After spending a while trying to find the perfect regex for all cases this library still works better as it is more flexible than a single regex ever will be. This will also fix the following issues: #5844 #3095 #3381 This passes all our current tests and I've added new ones mentioned in those issues as well. * Use xurls.StrictMatchingScheme instead of xurls.Strict This is much faster and we only care about https? links to preserve existing behavior.
This commit is contained in:
mrsdizzie
techknowlogick
parent
01bd1fcd33
commit
f2de5dc8c8
9 changed files with 2038 additions and 3 deletions
9
Gopkg.lock
generated
9
Gopkg.lock
generated
|
|
@ -725,6 +725,14 @@
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pruneopts = "NUT"
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revision = "02ccfbfaf0cc627aa3aec8ef7ed5cfeec5b43f63"
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[[projects]]
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digest = "1:63953ffb90bbc880c612d576fcfd973a5904277d25ec9e2d8d5719bf67969662"
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name = "github.com/mvdan/xurls"
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packages = ["."]
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pruneopts = "NUT"
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revision = "e52e821cbfe8fe163ff6f8628ab5869b11fc05af"
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version = "v2.0.0"
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[[projects]]
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digest = "1:2be1d891535ce3d6d2a3db9087f07415e909744e9eff1a30f8f0b2519df60ae6"
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name = "github.com/nfnt/resize"
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@ -1293,6 +1301,7 @@
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"github.com/mcuadros/go-version",
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"github.com/microcosm-cc/bluemonday",
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"github.com/msteinert/pam",
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"github.com/mvdan/xurls",
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"github.com/nfnt/resize",
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"github.com/pquerna/otp",
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"github.com/pquerna/otp/totp",
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@ -113,3 +113,7 @@ ignored = ["google.golang.org/appengine*"]
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[[constraint]]
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name = "github.com/prometheus/client_golang"
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version = "0.9.0"
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[[constraint]]
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name = "github.com/mvdan/xurls"
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version = "2.0.0"
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@ -17,6 +17,7 @@ import (
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"code.gitea.io/gitea/modules/util"
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"github.com/Unknwon/com"
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"github.com/mvdan/xurls"
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"golang.org/x/net/html"
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"golang.org/x/net/html/atom"
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)
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@ -64,9 +65,7 @@ var (
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// https://html.spec.whatwg.org/multipage/input.html#e-mail-state-(type%3Demail)
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emailRegex = regexp.MustCompile("[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*")
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// matches http/https links. used for autlinking those. partly modified from
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// the original present in autolink.js
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linkRegex = regexp.MustCompile(`(?:(?:http|https):\/\/(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+(?:\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)(?:(?:\/[\+~%\/\.\w\-]*)?\??(?:[\-\+:=&;%@\.\w]*)#?(?:[\.\!\/\\\w]*))?`)
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linkRegex, _ = xurls.StrictMatchingScheme("https?://")
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)
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// regexp for full links to issues/pulls
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@ -104,6 +104,15 @@ func TestRender_links(t *testing.T) {
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test(
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"http://142.42.1.1/",
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`<p><a href="http://142.42.1.1/" rel="nofollow">http://142.42.1.1/</a></p>`)
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test(
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"https://github.com/go-gitea/gitea/?p=aaa/bbb.html#ccc-ddd",
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`<p><a href="https://github.com/go-gitea/gitea/?p=aaa/bbb.html#ccc-ddd" rel="nofollow">https://github.com/go-gitea/gitea/?p=aaa/bbb.html#ccc-ddd</a></p>`)
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test(
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"https://en.wikipedia.org/wiki/URL_(disambiguation)",
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`<p><a href="https://en.wikipedia.org/wiki/URL_(disambiguation)" rel="nofollow">https://en.wikipedia.org/wiki/URL_(disambiguation)</a></p>`)
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test(
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"https://foo_bar.example.com/",
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`<p><a href="https://foo_bar.example.com/" rel="nofollow">https://foo_bar.example.com/</a></p>`)
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// Test that should *not* be turned into URL
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test(
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27
vendor/github.com/mvdan/xurls/LICENSE
generated
vendored
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27
vendor/github.com/mvdan/xurls/LICENSE
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@ -0,0 +1,27 @@
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Copyright (c) 2015, Daniel Martí. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
|
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distribution.
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* Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
|
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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299
vendor/github.com/mvdan/xurls/schemes.go
generated
vendored
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299
vendor/github.com/mvdan/xurls/schemes.go
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vendored
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@ -0,0 +1,299 @@
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// Generated by schemesgen
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package xurls
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// Schemes is a sorted list of all IANA assigned schemes.
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//
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// Source:
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// https://www.iana.org/assignments/uri-schemes/uri-schemes-1.csv
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var Schemes = []string{
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`aaa`,
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`aaas`,
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`about`,
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`acap`,
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`acct`,
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`acr`,
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`adiumxtra`,
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`afp`,
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`afs`,
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`aim`,
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`appdata`,
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`apt`,
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`attachment`,
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`aw`,
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`barion`,
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`beshare`,
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`bitcoin`,
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`bitcoincash`,
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`blob`,
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`bolo`,
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`browserext`,
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`callto`,
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`cap`,
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`chrome`,
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`chrome-extension`,
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`cid`,
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`coap`,
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`coap+tcp`,
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`coap+ws`,
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`coaps`,
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`coaps+tcp`,
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`coaps+ws`,
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`com-eventbrite-attendee`,
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`content`,
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`conti`,
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`crid`,
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`cvs`,
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`data`,
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`dav`,
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`diaspora`,
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`dict`,
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`did`,
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`dis`,
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`dlna-playcontainer`,
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`dlna-playsingle`,
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`dns`,
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`dntp`,
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`dtn`,
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`dvb`,
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`ed2k`,
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`elsi`,
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`example`,
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`facetime`,
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`fax`,
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`feed`,
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`feedready`,
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`file`,
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`filesystem`,
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`finger`,
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`fish`,
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`ftp`,
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`geo`,
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`gg`,
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`git`,
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`gizmoproject`,
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`go`,
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`gopher`,
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`graph`,
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`gtalk`,
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`h323`,
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`ham`,
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`hcap`,
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`hcp`,
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`http`,
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`https`,
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`hxxp`,
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`hxxps`,
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`hydrazone`,
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`iax`,
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`icap`,
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`icon`,
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`im`,
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`imap`,
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`info`,
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`iotdisco`,
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`ipn`,
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`ipp`,
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`ipps`,
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`irc`,
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`irc6`,
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`ircs`,
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`iris`,
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`iris.beep`,
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`iris.lwz`,
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`iris.xpc`,
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`iris.xpcs`,
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`isostore`,
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`itms`,
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`jabber`,
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`jar`,
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`jms`,
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`keyparc`,
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`lastfm`,
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`ldap`,
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`ldaps`,
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`lvlt`,
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`magnet`,
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`mailserver`,
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`mailto`,
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`maps`,
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`market`,
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`message`,
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`microsoft.windows.camera`,
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`microsoft.windows.camera.multipicker`,
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`microsoft.windows.camera.picker`,
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`mid`,
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`mms`,
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`modem`,
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`mongodb`,
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`moz`,
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`ms-access`,
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`ms-browser-extension`,
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`ms-drive-to`,
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`ms-enrollment`,
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`ms-excel`,
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`ms-gamebarservices`,
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`ms-gamingoverlay`,
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`ms-getoffice`,
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`ms-help`,
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`ms-infopath`,
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`ms-inputapp`,
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`ms-lockscreencomponent-config`,
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`ms-media-stream-id`,
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`ms-mixedrealitycapture`,
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`ms-officeapp`,
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`ms-people`,
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`ms-project`,
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`ms-powerpoint`,
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`ms-publisher`,
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`ms-restoretabcompanion`,
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`ms-screenclip`,
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`ms-screensketch`,
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`ms-search`,
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`ms-search-repair`,
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`ms-secondary-screen-controller`,
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`ms-secondary-screen-setup`,
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`ms-settings`,
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`ms-settings-airplanemode`,
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`ms-settings-bluetooth`,
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`ms-settings-camera`,
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`ms-settings-cellular`,
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`ms-settings-cloudstorage`,
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`ms-settings-connectabledevices`,
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`ms-settings-displays-topology`,
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`ms-settings-emailandaccounts`,
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`ms-settings-language`,
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`ms-settings-location`,
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`ms-settings-lock`,
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`ms-settings-nfctransactions`,
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`ms-settings-notifications`,
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`ms-settings-power`,
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`ms-settings-privacy`,
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`ms-settings-proximity`,
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`ms-settings-screenrotation`,
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`ms-settings-wifi`,
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`ms-settings-workplace`,
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`ms-spd`,
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`ms-sttoverlay`,
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`ms-transit-to`,
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`ms-useractivityset`,
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`ms-virtualtouchpad`,
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`ms-visio`,
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`ms-walk-to`,
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`ms-whiteboard`,
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`ms-whiteboard-cmd`,
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`ms-word`,
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`msnim`,
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`msrp`,
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`msrps`,
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`mtqp`,
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`mumble`,
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`mupdate`,
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`mvn`,
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`news`,
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`nfs`,
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`ni`,
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`nih`,
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`nntp`,
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`notes`,
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`ocf`,
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`oid`,
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`onenote`,
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`onenote-cmd`,
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`opaquelocktoken`,
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`openpgp4fpr`,
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`pack`,
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`palm`,
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`paparazzi`,
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`pkcs11`,
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`platform`,
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`pop`,
|
||||
`pres`,
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`prospero`,
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`proxy`,
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`pwid`,
|
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`psyc`,
|
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`qb`,
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`query`,
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`redis`,
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`rediss`,
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`reload`,
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`res`,
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`resource`,
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`rmi`,
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`rsync`,
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`rtmfp`,
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`rtmp`,
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`rtsp`,
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`rtsps`,
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`rtspu`,
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`secondlife`,
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`service`,
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`session`,
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`sftp`,
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`sgn`,
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`shttp`,
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`sieve`,
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`simpleledger`,
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`sip`,
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`sips`,
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`skype`,
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`smb`,
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`sms`,
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`smtp`,
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`snews`,
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`snmp`,
|
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`soap.beep`,
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`soap.beeps`,
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`soldat`,
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`spiffe`,
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`spotify`,
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`ssh`,
|
||||
`steam`,
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`stun`,
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`stuns`,
|
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`submit`,
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||||
`svn`,
|
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`tag`,
|
||||
`teamspeak`,
|
||||
`tel`,
|
||||
`teliaeid`,
|
||||
`telnet`,
|
||||
`tftp`,
|
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`things`,
|
||||
`thismessage`,
|
||||
`tip`,
|
||||
`tn3270`,
|
||||
`tool`,
|
||||
`turn`,
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`turns`,
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`tv`,
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`udp`,
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`unreal`,
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`urn`,
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`ut2004`,
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`v-event`,
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`vemmi`,
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`ventrilo`,
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`videotex`,
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`vnc`,
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`view-source`,
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`wais`,
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`webcal`,
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`wpid`,
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`ws`,
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`wss`,
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||||
`wtai`,
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`wyciwyg`,
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`xcon`,
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`xcon-userid`,
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||||
`xfire`,
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||||
`xmlrpc.beep`,
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||||
`xmlrpc.beeps`,
|
||||
`xmpp`,
|
||||
`xri`,
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||||
`ymsgr`,
|
||||
`z39.50`,
|
||||
`z39.50r`,
|
||||
`z39.50s`,
|
||||
}
|
||||
1557
vendor/github.com/mvdan/xurls/tlds.go
generated
vendored
Normal file
1557
vendor/github.com/mvdan/xurls/tlds.go
generated
vendored
Normal file
File diff suppressed because it is too large
Load diff
24
vendor/github.com/mvdan/xurls/tlds_pseudo.go
generated
vendored
Normal file
24
vendor/github.com/mvdan/xurls/tlds_pseudo.go
generated
vendored
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
// Copyright (c) 2015, Daniel Martí <mvdan@mvdan.cc>
|
||||
// See LICENSE for licensing information
|
||||
|
||||
package xurls
|
||||
|
||||
// PseudoTLDs is a sorted list of some widely used unofficial TLDs.
|
||||
//
|
||||
// Sources:
|
||||
// * https://en.wikipedia.org/wiki/Pseudo-top-level_domain
|
||||
// * https://en.wikipedia.org/wiki/Category:Pseudo-top-level_domains
|
||||
// * https://tools.ietf.org/html/draft-grothoff-iesg-special-use-p2p-names-00
|
||||
// * https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
|
||||
var PseudoTLDs = []string{
|
||||
`bit`, // Namecoin
|
||||
`example`, // Example domain
|
||||
`exit`, // Tor exit node
|
||||
`gnu`, // GNS by public key
|
||||
`i2p`, // I2P network
|
||||
`invalid`, // Invalid domain
|
||||
`local`, // Local network
|
||||
`localhost`, // Local network
|
||||
`test`, // Test domain
|
||||
`zkey`, // GNS domain name
|
||||
}
|
||||
107
vendor/github.com/mvdan/xurls/xurls.go
generated
vendored
Normal file
107
vendor/github.com/mvdan/xurls/xurls.go
generated
vendored
Normal file
|
|
@ -0,0 +1,107 @@
|
|||
// Copyright (c) 2015, Daniel Martí <mvdan@mvdan.cc>
|
||||
// See LICENSE for licensing information
|
||||
|
||||
// Package xurls extracts urls from plain text using regular expressions.
|
||||
package xurls
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"regexp"
|
||||
)
|
||||
|
||||
//go:generate go run generate/tldsgen/main.go
|
||||
//go:generate go run generate/schemesgen/main.go
|
||||
|
||||
const (
|
||||
letter = `\p{L}`
|
||||
mark = `\p{M}`
|
||||
number = `\p{N}`
|
||||
iriChar = letter + mark + number
|
||||
currency = `\p{Sc}`
|
||||
otherSymb = `\p{So}`
|
||||
endChar = iriChar + `/\-+_&~*%=#` + currency + otherSymb
|
||||
otherPunc = `\p{Po}`
|
||||
midChar = endChar + `|` + otherPunc
|
||||
wellParen = `\([` + midChar + `]*(\([` + midChar + `]*\)[` + midChar + `]*)*\)`
|
||||
wellBrack = `\[[` + midChar + `]*(\[[` + midChar + `]*\][` + midChar + `]*)*\]`
|
||||
wellBrace = `\{[` + midChar + `]*(\{[` + midChar + `]*\}[` + midChar + `]*)*\}`
|
||||
wellAll = wellParen + `|` + wellBrack + `|` + wellBrace
|
||||
pathCont = `([` + midChar + `]*(` + wellAll + `|[` + endChar + `])+)+`
|
||||
|
||||
iri = `[` + iriChar + `]([` + iriChar + `\-]*[` + iriChar + `])?`
|
||||
domain = `(` + iri + `\.)+`
|
||||
octet = `(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])`
|
||||
ipv4Addr = `\b` + octet + `\.` + octet + `\.` + octet + `\.` + octet + `\b`
|
||||
ipv6Addr = `([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:[0-9a-fA-F]{0,4}|:[0-9a-fA-F]{1,4})?|(:[0-9a-fA-F]{1,4}){0,2})|(:[0-9a-fA-F]{1,4}){0,3})|(:[0-9a-fA-F]{1,4}){0,4})|:(:[0-9a-fA-F]{1,4}){0,5})((:[0-9a-fA-F]{1,4}){2}|:(25[0-5]|(2[0-4]|1[0-9]|[1-9])?[0-9])(\.(25[0-5]|(2[0-4]|1[0-9]|[1-9])?[0-9])){3})|(([0-9a-fA-F]{1,4}:){1,6}|:):[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){7}:`
|
||||
ipAddr = `(` + ipv4Addr + `|` + ipv6Addr + `)`
|
||||
port = `(:[0-9]*)?`
|
||||
)
|
||||
|
||||
// AnyScheme can be passed to StrictMatchingScheme to match any possibly valid
|
||||
// scheme, and not just the known ones.
|
||||
var AnyScheme = `([a-zA-Z][a-zA-Z.\-+]*://|` + anyOf(SchemesNoAuthority...) + `:)`
|
||||
|
||||
// SchemesNoAuthority is a sorted list of some well-known url schemes that are
|
||||
// followed by ":" instead of "://".
|
||||
var SchemesNoAuthority = []string{
|
||||
`bitcoin`, // Bitcoin
|
||||
`file`, // Files
|
||||
`magnet`, // Torrent magnets
|
||||
`mailto`, // Mail
|
||||
`sms`, // SMS
|
||||
`tel`, // Telephone
|
||||
`xmpp`, // XMPP
|
||||
}
|
||||
|
||||
func anyOf(strs ...string) string {
|
||||
var b bytes.Buffer
|
||||
b.WriteByte('(')
|
||||
for i, s := range strs {
|
||||
if i != 0 {
|
||||
b.WriteByte('|')
|
||||
}
|
||||
b.WriteString(regexp.QuoteMeta(s))
|
||||
}
|
||||
b.WriteByte(')')
|
||||
return b.String()
|
||||
}
|
||||
|
||||
func strictExp() string {
|
||||
schemes := `(` + anyOf(Schemes...) + `://|` + anyOf(SchemesNoAuthority...) + `:)`
|
||||
return `(?i)` + schemes + `(?-i)` + pathCont
|
||||
}
|
||||
|
||||
func relaxedExp() string {
|
||||
site := domain + `(?i)` + anyOf(append(TLDs, PseudoTLDs...)...) + `(?-i)`
|
||||
hostName := `(` + site + `|` + ipAddr + `)`
|
||||
webURL := hostName + port + `(/|/` + pathCont + `?|\b|$)`
|
||||
return strictExp() + `|` + webURL
|
||||
}
|
||||
|
||||
// Strict produces a regexp that matches any URL with a scheme in either the
|
||||
// Schemes or SchemesNoAuthority lists.
|
||||
func Strict() *regexp.Regexp {
|
||||
re := regexp.MustCompile(strictExp())
|
||||
re.Longest()
|
||||
return re
|
||||
}
|
||||
|
||||
// Relaxed produces a regexp that matches any URL matched by Strict, plus any
|
||||
// URL with no scheme.
|
||||
func Relaxed() *regexp.Regexp {
|
||||
re := regexp.MustCompile(relaxedExp())
|
||||
re.Longest()
|
||||
return re
|
||||
}
|
||||
|
||||
// StrictMatchingScheme produces a regexp similar to Strict, but requiring that
|
||||
// the scheme match the given regular expression. See AnyScheme too.
|
||||
func StrictMatchingScheme(exp string) (*regexp.Regexp, error) {
|
||||
strictMatching := `(?i)(` + exp + `)(?-i)` + pathCont
|
||||
re, err := regexp.Compile(strictMatching)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
re.Longest()
|
||||
return re, nil
|
||||
}
|
||||
Reference in a new issue