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Merge pull request #364 from Obayanju/fix-youtube-query-parameters 

Fix removal of query parameters on youtube embed links
This commit is contained in:
Matt Baer 2020-10-03 11:48:30 -04:00 committed by GitHub
parent b1e22795b1 f847ade1ef
commit 211b02c209
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 4 deletions
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25
postrender.go
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@ -16,6 +16,7 @@ import (
"html"
"html/template"
"net/http"
"net/url"
"regexp"
"strings"
"unicode"
@ -73,6 +74,25 @@ func applyMarkdown(data []byte, baseURL string, cfg *config.Config) string {
return applyMarkdownSpecial(data, false, baseURL, cfg)
}
func disableYoutubeAutoplay(outHTML string) string {
for _, match := range youtubeReg.FindAllString(outHTML, -1) {
u, err := url.Parse(match)
if err != nil {
continue
}
u.RawQuery = html.UnescapeString(u.RawQuery)
q := u.Query()
// Set Youtube autoplay url parameter, if any, to 0
if len(q["autoplay"]) == 1 {
q.Set("autoplay", "0")
}
u.RawQuery = q.Encode()
cleanURL := u.String()
outHTML = strings.Replace(outHTML, match, cleanURL, 1)
}
return outHTML
}
func applyMarkdownSpecial(data []byte, skipNoFollow bool, baseURL string, cfg *config.Config) string {
mdExtensions := 0 |
blackfriday.EXTENSION_TABLES |
@ -108,10 +128,7 @@ func applyMarkdownSpecial(data []byte, skipNoFollow bool, baseURL string, cfg *c
// Strip newlines on certain block elements that render with them
outHTML = blockReg.ReplaceAllString(outHTML, "<$1>")
outHTML = endBlockReg.ReplaceAllString(outHTML, "</$1></$2>")
// Remove all query parameters on YouTube embed links
// TODO: make this more specific. Taking the nuclear approach here to strip ?autoplay=1
outHTML = youtubeReg.ReplaceAllString(outHTML, "$1")
outHTML = disableYoutubeAutoplay(outHTML)
return outHTML
}