mirror of
https://github.com/rystaf/mlmym.git
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localize community and user links, regex cleanup
This commit is contained in:
Ryan Stafford
parent
1dd8476fae
commit
2d8a3d2315
2
Makefile
2
Makefile
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@ -11,7 +11,7 @@ reload:
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serve:
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#python -m http.server --directory ./public 8081 &>/dev/null
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watchexec -e go -r "go run . --addr 0.0.0.0:8008 -w"
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DEBUG=true watchexec -e go -r "go run . --addr 0.0.0.0:8008 -w"
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style:
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npm run watchcss > /dev/null 2>&1
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35
main.go
35
main.go
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@ -7,6 +7,7 @@ import (
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"log"
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"net"
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"net/http"
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"os"
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"github.com/julienschmidt/httprouter"
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"github.com/yuin/goldmark"
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@ -64,6 +65,40 @@ func init() {
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templates[name] = glob
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}
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}
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if os.Getenv("DEBUG") != "" {
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test()
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}
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}
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func test() {
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links := [][]string{
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[]string{"https://lemmy.local/u/dude", "/lemmy.local/u/dude", "/u/dude"},
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[]string{"https://lemmy.local/u/dude@lemmy.local", "/lemmy.local/u/dude", "/u/dude"},
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[]string{"/u/dude", "/lemmy.local/u/dude", "/u/dude"},
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[]string{"https://lemmy.world/c/dude", "/lemmy.local/c/dude@lemmy.world", "/c/dude@lemmy.world"},
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[]string{"https://lemmy.world/u/dude", "/lemmy.local/u/dude@lemmy.world", "/u/dude@lemmy.world"},
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[]string{"https://lemmy.world/u/dude@lemmy.world", "/lemmy.local/u/dude@lemmy.world", "/u/dude@lemmy.world"},
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[]string{"https://lemmy.world/post/123", "/lemmy.world/post/123", "https://lemmy.world/post/123"},
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[]string{"/post/123", "/lemmy.local/post/123", "/post/123"},
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[]string{"/comment/123", "/lemmy.local/comment/123", "/comment/123"},
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[]string{"https://lemmy.local/comment/123", "/lemmy.local/comment/123", "/comment/123"},
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}
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for _, url := range links {
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output := LemmyLinkRewrite(`href="`+url[0]+`"`, "lemmy.local", "")
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success := (output == (`href="` + url[1] + `"`))
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if !success {
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fmt.Println("\n!!!! Link rewrite failure !!!!")
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fmt.Println(url)
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fmt.Println(output)
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fmt.Println("")
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}
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output = LemmyLinkRewrite(`href="`+url[0]+`"`, ".", "lemmy.local")
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success = (output == (`href="` + url[2] + `"`))
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if !success {
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fmt.Println(success, url)
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fmt.Println(output)
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fmt.Println("")
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}
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}
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}
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func middleware(n httprouter.Handle) httprouter.Handle {
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return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
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59
routes.go
59
routes.go
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@ -32,12 +32,12 @@ var funcMap = template.FuncMap{
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}
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return host
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},
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"proxy": func(s string) string {
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"localize": func(s string) string {
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u, err := url.Parse(s)
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if err != nil {
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return s
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}
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return "/" + u.Host + u.Path
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return "." + u.Path + "@" + u.Host
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},
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"printer": func(n any) string {
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p := message.NewPrinter(language.English)
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@ -137,22 +137,11 @@ var funcMap = template.FuncMap{
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fmt.Println(err)
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return template.HTML(body)
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}
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converted := buf.String()
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converted = strings.Replace(converted, `<img `, `<img loading="lazy" `, -1)
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re = regexp.MustCompile(`!([a-zA-Z0-9]+)@([a-zA-Z0-9\.\-]+)[ $]?`)
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converted = re.ReplaceAllString(converted, `<a href="https://$2/c/$1">!$1@$2</a> `)
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if os.Getenv("LEMMY_DOMAIN") == "" {
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re = regexp.MustCompile(`href="\/(c\/[a-zA-Z0-9\-]+|(post|comment)\/\d+)`)
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converted = re.ReplaceAllString(converted, `href="https://`+host+`/$1`)
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re := regexp.MustCompile(`href="https:\/\/([a-zA-Z0-9\.\-]+\/(c\/[a-zA-Z0-9]+|(post|comment)\/\d+))`)
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converted = re.ReplaceAllString(converted, `href="/$1`)
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} else {
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re := regexp.MustCompile(`href="https:\/\/` + os.Getenv("LEMMY_DOMAIN") + `\/(c\/[a-zA-Z0-9]+|(post|comment)\/\d+)`)
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converted = re.ReplaceAllString(converted, `href="/$1`)
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}
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re = regexp.MustCompile(`::: spoiler (.*?)\n([\S\s]*?):::`)
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converted = re.ReplaceAllString(converted, "<details><summary>$1</summary>$2</details>")
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return template.HTML(converted)
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body = buf.String()
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body = strings.Replace(body, `<img `, `<img loading="lazy" `, -1)
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body = LemmyLinkRewrite(body, host, os.Getenv("LEMMY_DOMAIN"))
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body = RegReplace(body, `::: spoiler (.*?)\n([\S\s]*?):::`, "<details><summary>$1</summary>$2</details>")
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return template.HTML(body)
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},
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"rmmarkdown": func(body string) string {
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var buf bytes.Buffer
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@ -173,6 +162,40 @@ var funcMap = template.FuncMap{
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},
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}
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func LemmyLinkRewrite(input string, host string, lemmy_domain string) (body string) {
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body = input
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// community bangs
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body = RegReplace(body, `!([a-zA-Z0-9]+)@([a-zA-Z0-9\.\-]+)[ $]?`, `<a href="/c/$1">!$1@$2</a> `)
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// localize community and user links
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body = RegReplace(body, `href="https:\/\/([a-zA-Z0-9\.\-]+)\/((c|u)\/.*?)"`, `href="/$2@$1"`)
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// remove extra instance tag
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body = RegReplace(body, `href="\/((c|u)\/.*@.*?)@(.*?)"`, `href="/$1"`)
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if lemmy_domain == "" {
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// add domain to relative links
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body = RegReplace(body, `href="\/(c\/[a-zA-Z0-9\-]+"|(post|comment)\/\d+"|(c|u)\/(.*?)")`, `href="/`+host+`/$1`)
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// convert links to relative
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body = RegReplace(body, `href="https:\/\/([a-zA-Z0-9\.\-]+\/(c\/[a-zA-Z0-9]+"|(post|comment)\/\d+"|u\/(.*?)"))`, `href="/$1`)
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} else {
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// convert local links to relative
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body = RegReplace(body, `href="https:\/\/`+lemmy_domain+`\/(c\/[a-zA-Z0-9]+"|(post|comment)\/\d+"|u\/(.*?)")`, `href="/$1`)
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body = RegReplace(body, `href="(.*)@`+lemmy_domain+`"`, `href="$1"`)
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}
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// remove redundant instance tag
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re := regexp.MustCompile(`href="\/([a-zA-Z0-9\.\-]+)\/(c|u)\/(.*?)@(.*?)"`)
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matches := re.FindAllStringSubmatch(body, -1)
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for _, match := range matches {
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if match[1] == match[4] {
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body = strings.Replace(body, match[0], `href="/`+strings.Join(match[1:4], "/")+`"`, -1)
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}
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}
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return body
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}
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func RegReplace(input string, match string, replace string) string {
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re := regexp.MustCompile(match)
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return re.ReplaceAllString(input, replace)
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}
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func Initialize(Host string, r *http.Request) (State, error) {
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state := State{
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Host: Host,
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@ -3,11 +3,11 @@
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<input name="op" type="submit" value="{{ membership .Subscribed}}">
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<input type="hidden" name="communityid" value ="{{.Community.ID}}">
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</form>
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<span class="title"><a href="{{proxy .Community.ActorID}}">c/{{fullcname .Community}}: {{.Community.Title}}</a></span>
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<span class="title"><a href="{{localize .Community.ActorID}}">c/{{fullcname .Community}}: {{.Community.Title}}</a></span>
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<div class="details">
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{{ if .Community.Description.IsValid }}
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<div class="description">
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{{markdown "poop" .Community.Description.String}}
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{{markdown "" .Community.Description.String}}
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</div>
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{{ end }}
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<div class="gray">
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