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ignore old subdomain when rewriting lemmy links

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This commit is contained in:
Ryan Stafford 2023-07-23 23:07:57 -04:00
parent d5a96181d2
commit 556cc785f5
1 changed files with 15 additions and 3 deletions
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18
routes.go
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@ -165,7 +165,7 @@ var funcMap = template.FuncMap{
func LemmyLinkRewrite(input string, host string, lemmy_domain string) (body string) {
body = input
// community bangs
body = RegReplace(body, `!([a-zA-Z0-9]+)@([a-zA-Z0-9\.\-]+)([ \n\r]+|<\/p>)`, `<a href="/c/$1@$2">!$1@$2</a> `)
body = RegReplace(body, `!([a-zA-Z0-9_]+)@([a-zA-Z0-9\.\-]+)([ \n\r]+|<\/p>)`, `<a href="/c/$1@$2">!$1@$2</a> `)
// localize community and user links
body = RegReplace(body, `href="https:\/\/([a-zA-Z0-9\.\-]+)\/((c|u|comment|post)\/.*?)"`, `href="/$2@$1"`)
// remove extra instance tag
@ -180,9 +180,21 @@ func LemmyLinkRewrite(input string, host string, lemmy_domain string) (body stri
body = RegReplace(body, `href="https:\/\/`+lemmy_domain+`\/(c\/[a-zA-Z0-9]+"|(c|u|post|comment)\/(.*?)")`, `href="/$1`)
body = RegReplace(body, `href="(.*)@`+lemmy_domain+`"`, `href="$1"`)
}
// remove redundant instance tag
re := regexp.MustCompile(`href="\/([a-zA-Z0-9\.\-]+)\/(c|u|post|comment)\/(.*?)@(.*?)"`)
re := regexp.MustCompile(`href="\/?([a-zA-Z0-9\.\-]*)\/(c|u|post|comment)\/(.*?)@(.*?)"`)
// assume "old." subdomain is mlmym and remove
matches := re.FindAllStringSubmatch(body, -1)
for _, match := range matches {
if match[4][0:4] == "old." {
s := 1
if match[1] == "" {
s += 1
}
body = strings.Replace(body, match[0], `href="/`+strings.Join(match[s:4], "/")+"@"+match[4][4:]+`"`, -1)
}
}
// remove redundant instance tag
matches = re.FindAllStringSubmatch(body, -1)
for _, match := range matches {
if match[1] == match[4] {
body = strings.Replace(body, match[0], `href="/`+strings.Join(match[1:4], "/")+`"`, -1)