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Add StripMarkdown option (irc). (#1145)

Enable `StripMarkdown` to strip markdown for irc.
This commit is contained in:
Wim 2020-05-23 21:46:15 +02:00 committed by GitHub
parent 3c4a3e3f75
commit ba0bfe70a8
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10 changed files with 157 additions and 0 deletions

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@ -136,6 +136,7 @@ type Protocol struct {
SkipTLSVerify bool // IRC, mattermost
SkipVersionCheck bool // mattermost
StripNick bool // all protocols
StripMarkdown bool // irc
SyncTopic bool // slack
TengoModifyMessage string // general
Team string // mattermost, keybase

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@ -14,6 +14,7 @@ import (
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
"github.com/lrstanley/girc"
stripmd "github.com/writeas/go-strip-markdown"
// We need to import the 'data' package as an implicit dependency.
// See: https://godoc.org/github.com/paulrosania/go-charset/charset
@ -156,6 +157,10 @@ func (b *Birc) Send(msg config.Message) (string, error) {
}
var msgLines []string
if b.GetBool("StripMarkdown") {
msg.Text = stripmd.Strip(msg.Text)
}
if b.GetBool("MessageSplit") {
msgLines = helper.GetSubLines(msg.Text, b.MessageLength)
} else {

2
go.mod
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@ -49,6 +49,7 @@ require (
github.com/spf13/viper v1.6.1
github.com/stretchr/testify v1.4.0
github.com/technoweenie/multipartstreamer v1.0.1 // indirect
github.com/writeas/go-strip-markdown v2.0.1+incompatible
github.com/x-cray/logrus-prefixed-formatter v0.5.2 // indirect
github.com/yaegashi/msgraph.go v0.1.2
github.com/zfjagann/golang-ring v0.0.0-20190106091943-a88bb6aef447
@ -56,6 +57,7 @@ require (
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
gopkg.in/fsnotify.v1 v1.4.7 // indirect
gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
github.com/writeas/go-strip-markdown v2.0.1+incompatible
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
)

2
go.sum
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@ -250,6 +250,8 @@ github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyC
github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
github.com/valyala/fasttemplate v1.1.0 h1:RZqt0yGBsps8NGvLSGW804QQqCUYYLsaOjTVHy1Ocw4=
github.com/valyala/fasttemplate v1.1.0/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
github.com/writeas/go-strip-markdown v2.0.1+incompatible h1:IIqxTM5Jr7RzhigcL6FkrCNfXkvbR+Nbu1ls48pXYcw=
github.com/writeas/go-strip-markdown v2.0.1+incompatible/go.mod h1:Rsyu10ZhbEK9pXdk8V6MVnZmTzRG0alMNLMwa0J01fE=
github.com/x-cray/logrus-prefixed-formatter v0.5.2 h1:00txxvfBM9muc0jiLIEAkAcIMJzfthRT6usrui8uGmg=
github.com/x-cray/logrus-prefixed-formatter v0.5.2/go.mod h1:2duySbKsL6M18s5GU7VPsoEPHyzalCE06qoARUCeBBE=
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=

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@ -103,6 +103,10 @@ ColorNicks=false
#OPTIONAL (default empty)
RunCommands=["PRIVMSG user hello","PRIVMSG chanserv something"]
#StripMarkdown strips markdown from messages
#OPTIONAL (default false)
StripMarkdown=false
#Nicks you want to ignore.
#Regular expressions supported
#Messages from those users will not be sent to other bridges.

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@ -0,0 +1,3 @@
*~
*.swp
cmd/strip/strip

21
vendor/github.com/writeas/go-strip-markdown/LICENSE generated vendored Normal file
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@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2016 Write.as
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

51
vendor/github.com/writeas/go-strip-markdown/README.md generated vendored Normal file
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@ -0,0 +1,51 @@
# go-strip-markdown
[![GoDoc](https://godoc.org/github.com/writeas/go-strip-markdown?status.svg)](https://godoc.org/github.com/writeas/go-strip-markdown)
A Markdown stripper written in Go (golang).
## Usage
You could create a simple command-line utility:
```go
package main
import (
"fmt"
"github.com/writeas/go-strip-markdown"
"os"
)
func main() {
if len(os.Args) < 2 {
os.Exit(1)
}
fmt.Println(stripmd.Strip(os.Args[1]))
}
```
You could pass it Markdown and get pure, beauteous text in return:
```bash
./strip "# A Tale of Text Formatting
_One fateful day_ a developer was presented with [Markdown](https://daringfireball.net/projects/markdown/).
And they wanted **none of it**."
# A Tale of Text Formatting
#
# One fateful day a developer was presented with Markdown.
# And they wanted none of it.
```
## Inspiration
This was largely based off of [remove-markdown](https://github.com/stiang/remove-markdown), a Markdown stripper written in Javascript.
## Used by
This library is used in these projects:
* [WriteFreely](https://github.com/writeas/writefreely)
## License
MIT.

66
vendor/github.com/writeas/go-strip-markdown/strip.go generated vendored Normal file
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@ -0,0 +1,66 @@
// Package stripmd strips Markdown from text
package stripmd
import (
"regexp"
)
var (
listLeadersReg = regexp.MustCompile(`(?m)^([\s\t]*)([\*\-\+]|\d\.)\s+`)
headerReg = regexp.MustCompile(`\n={2,}`)
strikeReg = regexp.MustCompile(`~~`)
codeReg = regexp.MustCompile("`{3}" + `.*\n`)
htmlReg = regexp.MustCompile("<(.*?)>")
emphReg = regexp.MustCompile(`\*\*([^*]+)\*\*`)
emphReg2 = regexp.MustCompile(`\*([^*]+)\*`)
emphReg3 = regexp.MustCompile(`__([^_]+)__`)
emphReg4 = regexp.MustCompile(`_([^_]+)_`)
setextHeaderReg = regexp.MustCompile(`^[=\-]{2,}\s*$`)
footnotesReg = regexp.MustCompile(`\[\^.+?\](\: .*?$)?`)
footnotes2Reg = regexp.MustCompile(`\s{0,2}\[.*?\]: .*?$`)
imagesReg = regexp.MustCompile(`\!\[(.*?)\]\s?[\[\(].*?[\]\)]`)
linksReg = regexp.MustCompile(`\[(.*?)\][\[\(].*?[\]\)]`)
blockquoteReg = regexp.MustCompile(`>\s*`)
refLinkReg = regexp.MustCompile(`^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$`)
atxHeaderReg = regexp.MustCompile(`(?m)^\#{1,6}\s*([^#]+)\s*(\#{1,6})?$`)
atxHeaderReg2 = regexp.MustCompile(`([\*_]{1,3})(\S.*?\S)?P1`)
atxHeaderReg3 = regexp.MustCompile("(?m)(`{3,})" + `(.*?)?P1`)
atxHeaderReg4 = regexp.MustCompile(`^-{3,}\s*$`)
atxHeaderReg5 = regexp.MustCompile("`(.+?)`")
atxHeaderReg6 = regexp.MustCompile(`\n{2,}`)
)
// Strip returns the given string sans any Markdown.
// Where necessary, elements are replaced with their best textual forms, so
// for example, hyperlinks are stripped of their URL and become only the link
// text, and images lose their URL and become only the alt text.
func Strip(s string) string {
res := s
res = listLeadersReg.ReplaceAllString(res, "$1")
res = headerReg.ReplaceAllString(res, "\n")
res = strikeReg.ReplaceAllString(res, "")
res = codeReg.ReplaceAllString(res, "")
res = emphReg.ReplaceAllString(res, "$1")
res = emphReg2.ReplaceAllString(res, "$1")
res = emphReg3.ReplaceAllString(res, "$1")
res = emphReg4.ReplaceAllString(res, "$1")
res = htmlReg.ReplaceAllString(res, "$1")
res = setextHeaderReg.ReplaceAllString(res, "")
res = footnotesReg.ReplaceAllString(res, "")
res = footnotes2Reg.ReplaceAllString(res, "")
res = imagesReg.ReplaceAllString(res, "$1")
res = linksReg.ReplaceAllString(res, "$1")
res = blockquoteReg.ReplaceAllString(res, " ")
res = refLinkReg.ReplaceAllString(res, "")
res = atxHeaderReg.ReplaceAllString(res, "$1")
res = atxHeaderReg2.ReplaceAllString(res, "$2")
res = atxHeaderReg3.ReplaceAllString(res, "$2")
res = atxHeaderReg4.ReplaceAllString(res, "")
res = atxHeaderReg5.ReplaceAllString(res, "$1")
res = atxHeaderReg6.ReplaceAllString(res, "\n\n")
return res
}

2
vendor/modules.txt vendored
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@ -200,6 +200,8 @@ github.com/technoweenie/multipartstreamer
github.com/valyala/bytebufferpool
# github.com/valyala/fasttemplate v1.1.0
github.com/valyala/fasttemplate
# github.com/writeas/go-strip-markdown v2.0.1+incompatible
github.com/writeas/go-strip-markdown
# github.com/yaegashi/msgraph.go v0.1.2
github.com/yaegashi/msgraph.go/beta
github.com/yaegashi/msgraph.go/jsonx