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12 Commits

Author SHA1 Message Date
httpjamesm 7e4ae9aecf fix: upgrade to 1.22.1-alpine3.19 2024-03-28 20:16:27 -04:00
httpjamesm bca87a89ad docs: new readme screenshots 2024-03-28 20:11:38 -04:00
httpjamesm 0f67fcf66f Merge branch 'main' of https://github.com/httpjamesm/AnonymousOverflow 2024-03-28 20:03:36 -04:00
httpjamesm 4c3996542c docs: version 1.12.0 2024-03-28 20:03:34 -04:00
httpjamesm a701810e11 fix: set font-src to 'self' on questions (#101) 2024-03-28 20:03:17 -04:00
Solomon 23b8ed8899 improvement: use lang-* classes declared in snippet markup (#97)
* improvement: use lang-* classes declared in snippet markup

* fix: don't require snippet lang classes in code blocks

* fix: constrain greedy code block match
2024-03-28 19:59:28 -04:00
httpjamesm bf5300706e docs: #82 add snine 2024-03-25 13:09:36 -04:00
httpjamesm 1e659c550a docs: #75 update r4fo instance info + onion 2024-03-25 13:08:39 -04:00
httpjamesm 2ade374482 docs: #74 update bloatcat instance info 2024-03-25 13:07:29 -04:00
Matt Fellenz 94032f4f90 Implement external exchanges (#99)
* Implement external exchanges

* test: translateUrl test cases

* fix: double slash bug in translateUrl

---------

Co-authored-by: httpjamesm <github@httpjames.space>
2024-03-25 13:05:24 -04:00
Solomon 89126a7377 fix: keep HTML escaped (#96) 2024-03-25 12:47:59 -04:00
Nebula 0d7355bd46 Update whatever.social locations (#94) 2024-03-18 02:34:09 -04:00
11 changed files with 124 additions and 67 deletions
+1 -1
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@@ -1,4 +1,4 @@
FROM golang:1.19-alpine as build
FROM golang:1.22.1-alpine3.19 as build
WORKDIR /app
+38 -36
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@@ -6,50 +6,52 @@ This project is super lightweight by design. The UI is simple and the frontend i
## Screenshots
![Home](https://files.horizon.pics/e2b9275c-1409-4978-801b-de981a8d3ae9?a=1&mime1=image&mime2=png)
![Home](./docs/screenshots/home_dark.webp)
![Question](https://files.horizon.pics/0f6b0036-87f0-4acd-9a0f-936b5c397a73?a=1&mime1=image&mime2=png)
![Question](./docs/screenshots/question_dark.webp)
![Answer](https://files.horizon.pics/861ec510-644b-43f2-9439-0a2cae841422?a=1&mime1=image&mime2=png)
![Answer](./docs/screenshots/answers_light.webp)
## Clearnet Instances
| Instance URL | Region | Notes |
| ----------------------------------------------------------------------------------------- | ------------------------------- | ------------------------------------------------------------------------------------------------ |
| [code.whatever.social](https://code.whatever.social) | United States & The Netherlands | Operated by [Whatever Social](https://whatever.social) and [http.james](https://httpjames.space) |
| [ao.vern.cc](https://ao.vern.cc) | United States | Operated by [vern.cc](https://vern.cc) |
| [overflow.smnz.de](https://overflow.smnz.de) | Germany | Operated by [smnz.de](https://smnz.de) |
| [overflow.lunar.icu](https://overflow.lunar.icu) | Germany | Operated by [lunar.icu](https://lunar.icu/) |
| [overflow.adminforge.de](https://overflow.adminforge.de/) | Germany | Operated by [adminForge](https://adminforge.de/) |
| [overflow.hostux.net](https://overflow.hostux.net/) | France | Operated by [Hostux](https://hostux.net/) |
| [overflow.projectsegfau.lt](https://overflow.projectsegfau.lt/) | United States, France, India | Operated by [Project Segfault](https://projectsegfau.lt/) |
| [code.xbdm.fun](https://code.xbdm.fun) | Germany | Operated by [xbdm.fun](https://xbdm.fun) |
| [overflow.fascinated.cc](https://overflow.fascinated.cc/) | Germany | Operated by [fascinated.cc](https://fascinated.cc/) |
| [ao.bloatcat.tk](https://ao.bloatcat.tk) | Iceland | Operated by [bloatcat.tk](https://bloatcat.tk) |
| [anonoverflow.frontendfriendly.xyz](https://anonoverflow.frontendfriendly.xyz/) | United States | Operated by [frontendfriendly.xyz](https://frontendfriendly.xyz/) |
| [ao.owo.si](https://ao.owo.si/) | Germany | Operated by [owo.si](https://owo.si/) |
| [overflow.datura.network](https://overflow.datura.network/) | Germany | Operated by [datura.network](https://datura.network) |
| [overflow.freedit.eu](overflow.freedit.eu) | United States | Operated by [freedit.eu](https://freedit.eu) |
| [ao.ftw.lol](https://ao.ftw.lol) | Germany | Operated by [ftw.lol](https://ftw.lol) |
| [anonoverflow.hyperreal.coffee](https://anonoverflow.hyperreal.coffee) | United States | Operated by [hyperreal.coffee](https://hyperreal.coffee) |
| [a.opnxng.com](a.opnxng.com) | Singapore | Operated by [opnxng.com](https://about.opnxng.com) |
| [overflow.sudovanilla.com](https://overflow.sudovanilla.com) | United States | Operated by [SudoVanilla](https://sudovanilla.com) |
| [anonymousoverflow.privacyfucking.rocks](https://anonymousoverflow.privacyfucking.rocks/) | Germany | Operated by [privacyfucking.rocks](https://privacyfucking.rocks) |
| [exchange.seitan-ayoub.lol](https://exchange.seitan-ayoub.lol) | Germany | Operated by [Seitan Ayoub](https://seitan-ayoub.lol) |
| [overflow.r4fo.com](https://overflow.r4fo.com) | The Netherlands | Operated by [r4fo.com](https://r4fo.com) |
| [overflow.ducks.party](https://overflow.ducks.party) | The Netherlands | Operated by [ducks.party](https://ducks.party) |
| [ao.ngn.tf](https://ao.ngn.tf) | Turkey | Operated by [ngn](https://ngn.tf) |
| Instance URL | Region | Notes |
| ----------------------------------------------------------------------------------------- | ---------------------------- | ------------------------------------------------------------------------------------------------ |
| [code.whatever.social](https://code.whatever.social) | Germany | Operated by [Whatever Social](https://whatever.social) and [http.james](https://httpjames.space) |
| [ao.vern.cc](https://ao.vern.cc) | United States | Operated by [vern.cc](https://vern.cc) |
| [overflow.smnz.de](https://overflow.smnz.de) | Germany | Operated by [smnz.de](https://smnz.de) |
| [overflow.lunar.icu](https://overflow.lunar.icu) | Germany | Operated by [lunar.icu](https://lunar.icu/) |
| [overflow.adminforge.de](https://overflow.adminforge.de/) | Germany | Operated by [adminForge](https://adminforge.de/) |
| [overflow.hostux.net](https://overflow.hostux.net/) | France | Operated by [Hostux](https://hostux.net/) |
| [overflow.projectsegfau.lt](https://overflow.projectsegfau.lt/) | United States, France, India | Operated by [Project Segfault](https://projectsegfau.lt/) |
| [code.xbdm.fun](https://code.xbdm.fun) | Germany | Operated by [xbdm.fun](https://xbdm.fun) |
| [overflow.fascinated.cc](https://overflow.fascinated.cc/) | Germany | Operated by [fascinated.cc](https://fascinated.cc/) |
| [ao.bloat.cat](https://ao.bloat.cat) | Romania | Operated by [bloatcat.tk](https://bloat.cat) |
| [anonoverflow.frontendfriendly.xyz](https://anonoverflow.frontendfriendly.xyz/) | United States | Operated by [frontendfriendly.xyz](https://frontendfriendly.xyz/) |
| [ao.owo.si](https://ao.owo.si/) | Germany | Operated by [owo.si](https://owo.si/) |
| [overflow.datura.network](https://overflow.datura.network/) | Germany | Operated by [datura.network](https://datura.network) |
| [overflow.freedit.eu](overflow.freedit.eu) | United States | Operated by [freedit.eu](https://freedit.eu) |
| [ao.ftw.lol](https://ao.ftw.lol) | Germany | Operated by [ftw.lol](https://ftw.lol) |
| [anonoverflow.hyperreal.coffee](https://anonoverflow.hyperreal.coffee) | United States | Operated by [hyperreal.coffee](https://hyperreal.coffee) |
| [a.opnxng.com](a.opnxng.com) | Singapore | Operated by [opnxng.com](https://about.opnxng.com) |
| [overflow.sudovanilla.com](https://overflow.sudovanilla.com) | United States | Operated by [SudoVanilla](https://sudovanilla.com) |
| [anonymousoverflow.privacyfucking.rocks](https://anonymousoverflow.privacyfucking.rocks/) | Germany | Operated by [privacyfucking.rocks](https://privacyfucking.rocks) |
| [exchange.seitan-ayoub.lol](https://exchange.seitan-ayoub.lol) | Germany | Operated by [Seitan Ayoub](https://seitan-ayoub.lol) |
| [overflow.r4fo.com](https://overflow.r4fo.com) | The Netherlands | Operated by [r4fo.com](https://r4fo.com) |
| [overflow.ducks.party](https://overflow.ducks.party) | The Netherlands | Operated by [ducks.party](https://ducks.party) |
| [ao.ngn.tf](https://ao.ngn.tf) | Turkey | Operated by [ngn](https://ngn.tf) |
| [overflow.snine.nl](https://overflow.snine.nl) | The Netherlands | Operated by [snine](https://snine.nl) |
## Other Instances
| Instance URL | Region | Notes |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------- | --------------------------------------------------------- |
| [ao.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion](http://ao.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion) | United States | Operated by [vern.cc](https://vern.cc) |
| [vernmzgraj6aaoafmehupvtkkynpaa67rxcdj2kinwiy6konn6rq.b32.i2p](http://vernmzgraj6aaoafmehupvtkkynpaa67rxcdj2kinwiy6konn6rq.b32.i2p) | United States | Operated by [vern.cc](https://vern.cc) |
| [overflow.pjsfkvpxlinjamtawaksbnnaqs2fc2mtvmozrzckxh7f3kis6yea25ad.onion](http://overflow.pjsfkvpxlinjamtawaksbnnaqs2fc2mtvmozrzckxh7f3kis6yea25ad.onion/) | Luxembourg | Operated by [Project Segfault](https://projectsegfau.lt/) |
| [overflow.daturab6drmkhyeia4ch5gvfc2f3wgo6bhjrv3pz6n7kxmvoznlkq4yd.onion](http://overflow.daturab6drmkhyeia4ch5gvfc2f3wgo6bhjrv3pz6n7kxmvoznlkq4yd.onion/) | Germany | Operated by [datura.network](https://datura.network) |
| [ao.pk47sgwhncn5cgidm7bofngmh7lc7ukjdpk5bjwfemmyp27ovl25ikyd.onion](http://ao.pk47sgwhncn5cgidm7bofngmh7lc7ukjdpk5bjwfemmyp27ovl25ikyd.onion/) | Germany | Operated by [owo.si](https://owo.si/) |
| [ay7akchgdh76r4lc62hzd52z6xqoh67loototsetvqxo5o7ngo5q.b32.i2p](http://ay7akchgdh76r4lc62hzd52z6xqoh67loototsetvqxo5o7ngo5q.b32.i2p/) | Germany | Operated by [owo.si](https://owo.si/) |
| Instance URL | Region | Notes |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- | --------------------------------------------------------- |
| [ao.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion](http://ao.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion) | United States | Operated by [vern.cc](https://vern.cc) |
| [vernmzgraj6aaoafmehupvtkkynpaa67rxcdj2kinwiy6konn6rq.b32.i2p](http://vernmzgraj6aaoafmehupvtkkynpaa67rxcdj2kinwiy6konn6rq.b32.i2p) | United States | Operated by [vern.cc](https://vern.cc) |
| [overflow.pjsfkvpxlinjamtawaksbnnaqs2fc2mtvmozrzckxh7f3kis6yea25ad.onion](http://overflow.pjsfkvpxlinjamtawaksbnnaqs2fc2mtvmozrzckxh7f3kis6yea25ad.onion/) | Luxembourg | Operated by [Project Segfault](https://projectsegfau.lt/) |
| [overflow.daturab6drmkhyeia4ch5gvfc2f3wgo6bhjrv3pz6n7kxmvoznlkq4yd.onion](http://overflow.daturab6drmkhyeia4ch5gvfc2f3wgo6bhjrv3pz6n7kxmvoznlkq4yd.onion/) | Germany | Operated by [datura.network](https://datura.network) |
| [ao.pk47sgwhncn5cgidm7bofngmh7lc7ukjdpk5bjwfemmyp27ovl25ikyd.onion](http://ao.pk47sgwhncn5cgidm7bofngmh7lc7ukjdpk5bjwfemmyp27ovl25ikyd.onion/) | Germany | Operated by [owo.si](https://owo.si/) |
| [ay7akchgdh76r4lc62hzd52z6xqoh67loototsetvqxo5o7ngo5q.b32.i2p](http://ay7akchgdh76r4lc62hzd52z6xqoh67loototsetvqxo5o7ngo5q.b32.i2p/) | Germany | Operated by [owo.si](https://owo.si/) |
| [overflow.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion](http://overflow.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion) | The Netherlands | Operated by [r4fo.com](https://r4fo.com) |
## Why use AnonymousOverflow over StackOverflow?
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package config
var Version = "1.11.0"
var Version = "1.12.0"
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@@ -20,7 +20,41 @@ type urlConversionRequest struct {
URL string `form:"url" binding:"required"`
}
var stackExchangeRegex = regexp.MustCompile(`https://(.+).stackexchange.com/questions/`)
var coreRegex = regexp.MustCompile(`(?:https?://)?(?:www\.)?([^/]+)(/(?:questions|q|a)/.+)`)
// Will return `nil` if `rawUrl` is invalid.
func translateUrl(rawUrl string) string {
coreMatches := coreRegex.FindStringSubmatch(rawUrl)
if coreMatches == nil {
return ""
}
domain := coreMatches[1]
rest := coreMatches[2]
exchange := ""
if domain == "stackoverflow.com" {
// No exchange parameter needed.
} else if sub, found := strings.CutSuffix(domain, ".stackexchange.com"); found {
if sub == "" {
return ""
} else if strings.Contains(sub, ".") {
// Anything containing dots is interpreted as a full domain, so we use the correct full domain.
exchange = domain
} else {
exchange = sub
}
} else {
exchange = domain
}
// Ensure we properly format the return string to avoid double slashes
if exchange == "" {
return rest
} else {
return fmt.Sprintf("/exchange/%s%s", exchange, rest)
}
}
func PostHome(c *gin.Context) {
body := urlConversionRequest{}
@@ -33,16 +67,9 @@ func PostHome(c *gin.Context) {
return
}
soLink := body.URL
translated := translateUrl(body.URL)
// remove the www.
soLink = strings.ReplaceAll(soLink, "www.", "")
// validate URL
isStackOverflow := strings.HasPrefix(soLink, "https://stackoverflow.com/questions/")
isShortenedStackOverflow := strings.HasPrefix(soLink, "https://stackoverflow.com/a/") || strings.HasPrefix(soLink, "https://stackoverflow.com/q/")
isStackExchange := stackExchangeRegex.MatchString(soLink)
if !isStackExchange && !isStackOverflow && !isShortenedStackOverflow {
if translated == "" {
c.HTML(400, "home.html", gin.H{
"errorMessage": "Invalid stack overflow/exchange URL",
"theme": c.MustGet("theme").(string),
@@ -50,14 +77,5 @@ func PostHome(c *gin.Context) {
return
}
// if stack overflow, trim https://stackoverflow.com
if isStackOverflow || isShortenedStackOverflow {
c.Redirect(302, strings.TrimPrefix(soLink, "https://stackoverflow.com"))
return
}
// if stack exchange, extract the subdomain
sub := stackExchangeRegex.FindStringSubmatch(soLink)[1]
c.Redirect(302, fmt.Sprintf("/exchange/%s/%s", sub, strings.TrimPrefix(soLink, fmt.Sprintf("https://%s.stackexchange.com", sub))))
c.Redirect(302, translated)
}
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@@ -0,0 +1,32 @@
package routes
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestTranslateUrl(t *testing.T) {
assert := assert.New(t)
// Test with a Valid StackOverflow URL
assert.Equal("/questions/example-question", translateUrl("https://stackoverflow.com/questions/example-question"), "StackOverflow URL should not be modified")
// Test with Complex Subdomain
assert.Equal("/exchange/meta.math.stackexchange.com/q/example-question", translateUrl("https://meta.math.stackexchange.com/q/example-question"), "Complex StackExchange subdomain should be used as full exchange")
// Test with Non-StackExchange Domain
assert.Equal("/exchange/example.com/questions/example-question", translateUrl("https://example.com/questions/example-question"), "Non-StackExchange domain should be detected as exchange")
// Test with Invalid URL
assert.Equal("", translateUrl("This is not a URL"), "Invalid URL should return an empty string")
// Test with Empty String
assert.Equal("", translateUrl(""), "Empty string should return an empty string")
// Test with Missing Path
assert.Equal("", translateUrl("https://stackoverflow.com"), "URL without path should return an empty string")
// Test with Valid URL but Root Domain for StackExchange
assert.Equal("", translateUrl("https://stackexchange.com"), "Root StackExchange domain without subdomain should return an empty string")
}
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@@ -47,7 +47,9 @@ func ViewQuestion(c *gin.Context) {
domain := "stackoverflow.com"
if params.Sub != "" {
if strings.Contains(params.Sub, ".") {
domain = params.Sub
} else if params.Sub != "" {
domain = fmt.Sprintf("%s.stackexchange.com", params.Sub)
}
@@ -246,7 +248,7 @@ func extractAnswersData(doc *goquery.Document, domain string) ([]types.FilteredA
// Process code blocks within the answer.
processedAnswerBody := utils.ProcessHTMLBody(answerBodyHTML)
answer.Body = template.HTML(html.UnescapeString(processedAnswerBody))
answer.Body = template.HTML(processedAnswerBody)
// Extract author information and timestamp.
extractAnswerAuthorInfo(s, &answer, domain)
+9 -6
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@@ -14,13 +14,15 @@ import (
// highlightSyntaxViaContent uses Chroma to lex code content and apply the appropriate tokenizer engine.
// If it can't find one, it defaults to JavaScript syntax highlighting.
func highlightSyntaxViaContent(content string) (htmlOut string) {
func highlightSyntaxViaContent(content string, lang string) (htmlOut string) {
content = html.UnescapeString(content)
fallbackOut := html.EscapeString(content)
// identify the language
lexer := lexers.Analyse(content)
lexer := lexers.Get(lang)
if lexer == nil {
lexer = lexers.Analyse(content)
}
if lexer == nil {
lexer = lexers.Get(".js")
}
@@ -71,19 +73,20 @@ func stripBlockTags(content string) (result string) {
return
}
var codeBlockRegex = regexp.MustCompile(`(?s)<pre><code>(.*?)<\/code><\/pre>`)
var codeBlockRegex = regexp.MustCompile(`(?s)<pre(?:[^>]+?lang-(.+?)[\s"'])?.*?><code>(.*?)<\/code><\/pre>`)
// HighlightCodeBlocks uses both highlightSyntaxViaContent stripCodeBlocks and returns the newly highlighted code HTML.
func HighlightCodeBlocks(html string) string {
// Replace each code block with the highlighted version
highlightedHTML := codeBlockRegex.ReplaceAllStringFunc(html, func(codeBlock string) string {
// Extract the code content from the code block
codeContent := codeBlockRegex.FindStringSubmatch(codeBlock)[1]
matches := codeBlockRegex.FindStringSubmatch(codeBlock)
lang, codeContent := matches[1], matches[2]
codeContent = stripBlockTags(codeContent)
// Highlight the code content
highlightedCode := highlightSyntaxViaContent(codeContent)
highlightedCode := highlightSyntaxViaContent(codeContent, lang)
// Replace the original code block with the highlighted version
highlightedCodeBlock := "<pre>" + highlightedCode + "</pre>"
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@@ -7,7 +7,7 @@
<link rel="stylesheet" href="/static/comments.css" />
<meta
http-equiv="Content-Security-Policy"
content="default-src 'none'; style-src 'self'; script-src 'self'; img-src {{ .imagePolicy }};"
content="default-src 'none'; style-src 'self'; script-src 'self'; img-src {{ .imagePolicy }}; font-src 'self';"
/>
<meta name="description" content="{{ .question.ShortenedBody }}..." />
{{ template "sharedHead.html" }}