z0x/anubis
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cmd/anubis: drastically optimize proof of work (#19)

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* cmd/anubis: drastically optimize proof of work

Closes #12
Closes #17

This drastically optimizes the proof of work check by removing the
stringify call at every iteration. Additionally, this optimizes the
checks by running them in parallel for as many threads as the browser
has available (according to navigator.hardwareConcurrency).

This also changes the redirect lag to 250 milliseconds instead of 2000
milliseconds in order to be perceptually faster. This is below the
reaction time threshold of many people, so this will make the post-check
success phase perceptually instant.

Testing on an iPhone 7 Plus has shown that this can clear a difficulty 4
check in 3.4 seconds.

This actually optimizes the check so much it may be a logistical concern
for operators.

* cmd/anubis/js: fix happy cachebuster logic

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>
This commit is contained in:
Xe Iaso 2025-03-20 09:26:39 -04:00 • committed by GitHub
parent c81e938f63
commit 52d7a3cd2b
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
10 changed files with 166 additions and 113 deletions
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133
cmd/anubis/index.templ
View file

@ -1,19 +1,18 @@
package main package main
import ( import (
"github.com/TecharoHQ/anubis" "github.com/TecharoHQ/anubis"
"github.com/TecharoHQ/anubis/xess" "github.com/TecharoHQ/anubis/xess"
) )
templ base(title string, body templ.Component) { templ base(title string, body templ.Component) {
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head>
<head> <title>{ title }</title>
<title>{ title }</title> <link rel="stylesheet" href={ xess.URL }/>
<link rel="stylesheet" href={ xess.URL } /> <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <style>
<style>
body, body,
html { html {
height: 100%; height: 100%;
@ -139,60 +138,74 @@ templ base(title string, body templ.Component) {
transform: rotate(360deg); transform: rotate(360deg);
} }
} }
</style> </style>
</head> @templ.JSONScript("anubis_version", anubis.Version)
</head>
<body id="top"> <body id="top">
<main> <main>
<center> <center>
<h1 id="title" class=".centered-div">{ title }</h1> <h1 id="title" class=".centered-div">{ title }</h1>
</center> </center>
@body @body
<footer> <footer>
<center> <center>
<p>Protected by <a href="https://github.com/TecharoHQ/anubis">Anubis</a> from <a <p>
href="https://techaro.lol">Techaro</a>.</p> Protected by <a href="https://github.com/TecharoHQ/anubis">Anubis</a> from <a
</center> href="https://techaro.lol"
</footer> >Techaro</a>.
</main> </p>
</body> </center>
</footer>
</html> </main>
</body>
</html>
} }
templ index() { templ index() {
<div class="centered-div"> <div class="centered-div">
<img id="image" width="256" src={ "/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=" + <img
anubis.Version } /> id="image"
<img style="display:none;" width="256" src={ "/.within.website/x/cmd/anubis/static/img/happy.webp?cacheBuster=" + width="256"
anubis.Version } /> src={ "/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=" +
<p id="status">Loading...</p> anubis.Version }
<script async type="module" src={ "/.within.website/x/cmd/anubis/static/js/main.mjs?cacheBuster=" + anubis.Version />
}></script> <img
<div id="spinner" class="lds-roller"> style="display:none;"
<div></div> width="256"
<div></div> src={ "/.within.website/x/cmd/anubis/static/img/happy.webp?cacheBuster=" +
<div></div> anubis.Version }
<div></div> />
<div></div> <p id="status">Loading...</p>
<div></div> <script async type="module" src={ "/.within.website/x/cmd/anubis/static/js/main.mjs?cacheBuster=" + anubis.Version }></script>
<div></div> <div id="spinner" class="lds-roller">
<div></div> <div></div>
</div> <div></div>
<noscript> <div></div>
<p>Sadly, you must enable JavaScript to get past this challenge. This is required because AI companies have changed <div></div>
the social contract around how website hosting works. A no-JS solution is a work-in-progress.</p> <div></div>
</noscript> <div></div>
<div id="testarea"></div> <div></div>
</div> <div></div>
</div>
<noscript>
<p>
Sadly, you must enable JavaScript to get past this challenge. This is required because AI companies have changed
the social contract around how website hosting works. A no-JS solution is a work-in-progress.
</p>
</noscript>
<div id="testarea"></div>
</div>
} }
templ errorPage(message string) { templ errorPage(message string) {
<div class="centered-div"> <div class="centered-div">
<img id="image" width="256" src={ "/.within.website/x/cmd/anubis/static/img/sad.webp?cacheBuster=" + anubis.Version <img
} /> id="image"
<p>{ message }.</p> width="256"
<button onClick="window.location.reload();">Try again</button> src={ "/.within.website/x/cmd/anubis/static/img/sad.webp?cacheBuster=" + anubis.Version }
<p><a href="/">Go home</a></p> />
</div> <p>{ message }.</p>
<button onClick="window.location.reload();">Try again</button>
<p><a href="/">Go home</a></p>
</div>
} }

44
cmd/anubis/index_templ.go
View file

@ -41,7 +41,7 @@ func base(title string, body templ.Component) templ.Component {
var templ_7745c5c3_Var2 string var templ_7745c5c3_Var2 string
templ_7745c5c3_Var2, templ_7745c5c3_Err = templ.JoinStringErrs(title) templ_7745c5c3_Var2, templ_7745c5c3_Err = templ.JoinStringErrs(title)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 13, Col: 16} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 12, Col: 17}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var2)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var2))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
@ -54,26 +54,34 @@ func base(title string, body templ.Component) templ.Component {
var templ_7745c5c3_Var3 string var templ_7745c5c3_Var3 string
templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(xess.URL) templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(xess.URL)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 14, Col: 40} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 13, Col: 41}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 3, "\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><style>\n body,\n html {\n height: 100%;\n display: flex;\n justify-content: center;\n align-items: center;\n width: 65ch;\n margin-left: auto;\n margin-right: auto;\n }\n\n .centered-div {\n text-align: center;\n }\n\n .lds-roller,\n .lds-roller div,\n .lds-roller div:after {\n box-sizing: border-box;\n }\n\n .lds-roller {\n display: inline-block;\n position: relative;\n width: 80px;\n height: 80px;\n }\n\n .lds-roller div {\n animation: lds-roller 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;\n transform-origin: 40px 40px;\n }\n\n .lds-roller div:after {\n content: \" \";\n display: block;\n position: absolute;\n width: 7.2px;\n height: 7.2px;\n border-radius: 50%;\n background: currentColor;\n margin: -3.6px 0 0 -3.6px;\n }\n\n .lds-roller div:nth-child(1) {\n animation-delay: -0.036s;\n }\n\n .lds-roller div:nth-child(1):after {\n top: 62.62742px;\n left: 62.62742px;\n }\n\n .lds-roller div:nth-child(2) {\n animation-delay: -0.072s;\n }\n\n .lds-roller div:nth-child(2):after {\n top: 67.71281px;\n left: 56px;\n }\n\n .lds-roller div:nth-child(3) {\n animation-delay: -0.108s;\n }\n\n .lds-roller div:nth-child(3):after {\n top: 70.90963px;\n left: 48.28221px;\n }\n\n .lds-roller div:nth-child(4) {\n animation-delay: -0.144s;\n }\n\n .lds-roller div:nth-child(4):after {\n top: 72px;\n left: 40px;\n }\n\n .lds-roller div:nth-child(5) {\n animation-delay: -0.18s;\n }\n\n .lds-roller div:nth-child(5):after {\n top: 70.90963px;\n left: 31.71779px;\n }\n\n .lds-roller div:nth-child(6) {\n animation-delay: -0.216s;\n }\n\n .lds-roller div:nth-child(6):after {\n top: 67.71281px;\n left: 24px;\n }\n\n .lds-roller div:nth-child(7) {\n animation-delay: -0.252s;\n }\n\n .lds-roller div:nth-child(7):after {\n top: 62.62742px;\n left: 17.37258px;\n }\n\n .lds-roller div:nth-child(8) {\n animation-delay: -0.288s;\n }\n\n .lds-roller div:nth-child(8):after {\n top: 56px;\n left: 12.28719px;\n }\n\n @keyframes lds-roller {\n 0% {\n transform: rotate(0deg);\n }\n\n 100% {\n transform: rotate(360deg);\n }\n }\n </style></head><body id=\"top\"><main><center><h1 id=\"title\" class=\".centered-div\">") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 3, "\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><style>\n body,\n html {\n height: 100%;\n display: flex;\n justify-content: center;\n align-items: center;\n width: 65ch;\n margin-left: auto;\n margin-right: auto;\n }\n\n .centered-div {\n text-align: center;\n }\n\n .lds-roller,\n .lds-roller div,\n .lds-roller div:after {\n box-sizing: border-box;\n }\n\n .lds-roller {\n display: inline-block;\n position: relative;\n width: 80px;\n height: 80px;\n }\n\n .lds-roller div {\n animation: lds-roller 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;\n transform-origin: 40px 40px;\n }\n\n .lds-roller div:after {\n content: \" \";\n display: block;\n position: absolute;\n width: 7.2px;\n height: 7.2px;\n border-radius: 50%;\n background: currentColor;\n margin: -3.6px 0 0 -3.6px;\n }\n\n .lds-roller div:nth-child(1) {\n animation-delay: -0.036s;\n }\n\n .lds-roller div:nth-child(1):after {\n top: 62.62742px;\n left: 62.62742px;\n }\n\n .lds-roller div:nth-child(2) {\n animation-delay: -0.072s;\n }\n\n .lds-roller div:nth-child(2):after {\n top: 67.71281px;\n left: 56px;\n }\n\n .lds-roller div:nth-child(3) {\n animation-delay: -0.108s;\n }\n\n .lds-roller div:nth-child(3):after {\n top: 70.90963px;\n left: 48.28221px;\n }\n\n .lds-roller div:nth-child(4) {\n animation-delay: -0.144s;\n }\n\n .lds-roller div:nth-child(4):after {\n top: 72px;\n left: 40px;\n }\n\n .lds-roller div:nth-child(5) {\n animation-delay: -0.18s;\n }\n\n .lds-roller div:nth-child(5):after {\n top: 70.90963px;\n left: 31.71779px;\n }\n\n .lds-roller div:nth-child(6) {\n animation-delay: -0.216s;\n }\n\n .lds-roller div:nth-child(6):after {\n top: 67.71281px;\n left: 24px;\n }\n\n .lds-roller div:nth-child(7) {\n animation-delay: -0.252s;\n }\n\n .lds-roller div:nth-child(7):after {\n top: 62.62742px;\n left: 17.37258px;\n }\n\n .lds-roller div:nth-child(8) {\n animation-delay: -0.288s;\n }\n\n .lds-roller div:nth-child(8):after {\n top: 56px;\n left: 12.28719px;\n }\n\n @keyframes lds-roller {\n 0% {\n transform: rotate(0deg);\n }\n\n 100% {\n transform: rotate(360deg);\n }\n }\n </style>")
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
templ_7745c5c3_Err = templ.JSONScript("anubis_version", anubis.Version).Render(ctx, templ_7745c5c3_Buffer)
if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err
}
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 4, "</head><body id=\"top\"><main><center><h1 id=\"title\" class=\".centered-div\">")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
var templ_7745c5c3_Var4 string var templ_7745c5c3_Var4 string
templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(title) templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(title)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 148, Col: 50} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 147, Col: 49}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 4, "</h1></center>") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 5, "</h1></center>")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
@ -81,7 +89,7 @@ func base(title string, body templ.Component) templ.Component {
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 5, "<footer><center><p>Protected by <a href=\"https://github.com/TecharoHQ/anubis\">Anubis</a> from <a href=\"https://techaro.lol\">Techaro</a>.</p></center></footer></main></body></html>") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 6, "<footer><center><p>Protected by <a href=\"https://github.com/TecharoHQ/anubis\">Anubis</a> from <a href=\"https://techaro.lol\">Techaro</a>.</p></center></footer></main></body></html>")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
@ -110,7 +118,7 @@ func index() templ.Component {
templ_7745c5c3_Var5 = templ.NopComponent templ_7745c5c3_Var5 = templ.NopComponent
} }
ctx = templ.ClearChildren(ctx) ctx = templ.ClearChildren(ctx)
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 6, "<div class=\"centered-div\"><img id=\"image\" width=\"256\" src=\"") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 7, "<div class=\"centered-div\"><img id=\"image\" width=\"256\" src=\"")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
@ -118,13 +126,13 @@ func index() templ.Component {
templ_7745c5c3_Var6, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=" + templ_7745c5c3_Var6, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=" +
anubis.Version) anubis.Version)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 166, Col: 18} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 170, Col: 18}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var6)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var6))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 7, "\"> <img style=\"display:none;\" width=\"256\" src=\"") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 8, "\"> <img style=\"display:none;\" width=\"256\" src=\"")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
@ -132,26 +140,26 @@ func index() templ.Component {
templ_7745c5c3_Var7, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/img/happy.webp?cacheBuster=" + templ_7745c5c3_Var7, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/img/happy.webp?cacheBuster=" +
anubis.Version) anubis.Version)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 168, Col: 18} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 176, Col: 18}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var7)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var7))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 8, "\"><p id=\"status\">Loading...</p><script async type=\"module\" src=\"") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 9, "\"><p id=\"status\">Loading...</p><script async type=\"module\" src=\"")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
var templ_7745c5c3_Var8 string var templ_7745c5c3_Var8 string
templ_7745c5c3_Var8, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/js/main.mjs?cacheBuster=" + anubis.Version) templ_7745c5c3_Var8, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/js/main.mjs?cacheBuster=" + anubis.Version)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 170, Col: 116} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 179, Col: 116}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var8)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var8))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 9, "\"></script><div id=\"spinner\" class=\"lds-roller\"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div><noscript><p>Sadly, you must enable JavaScript to get past this challenge. This is required because AI companies have changed the social contract around how website hosting works. A no-JS solution is a work-in-progress.</p></noscript><div id=\"testarea\"></div></div>") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 10, "\"></script><div id=\"spinner\" class=\"lds-roller\"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div><noscript><p>Sadly, you must enable JavaScript to get past this challenge. This is required because AI companies have changed the social contract around how website hosting works. A no-JS solution is a work-in-progress.</p></noscript><div id=\"testarea\"></div></div>")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
@ -180,33 +188,33 @@ func errorPage(message string) templ.Component {
templ_7745c5c3_Var9 = templ.NopComponent templ_7745c5c3_Var9 = templ.NopComponent
} }
ctx = templ.ClearChildren(ctx) ctx = templ.ClearChildren(ctx)
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 10, "<div class=\"centered-div\"><img id=\"image\" width=\"256\" src=\"") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 11, "<div class=\"centered-div\"><img id=\"image\" width=\"256\" src=\"")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
var templ_7745c5c3_Var10 string var templ_7745c5c3_Var10 string
templ_7745c5c3_Var10, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/img/sad.webp?cacheBuster=" + anubis.Version) templ_7745c5c3_Var10, templ_7745c5c3_Err = templ.JoinStringErrs("/.within.website/x/cmd/anubis/static/img/sad.webp?cacheBuster=" + anubis.Version)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 192, Col: 117} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 205, Col: 90}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var10)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var10))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 11, "\"><p>") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 12, "\"><p>")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
var templ_7745c5c3_Var11 string var templ_7745c5c3_Var11 string
templ_7745c5c3_Var11, templ_7745c5c3_Err = templ.JoinStringErrs(message) templ_7745c5c3_Var11, templ_7745c5c3_Err = templ.JoinStringErrs(message)
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 194, Col: 14} return templ.Error{Err: templ_7745c5c3_Err, FileName: `index.templ`, Line: 207, Col: 14}
} }
_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var11)) _, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var11))
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }
templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 12, ".</p><button onClick=\"window.location.reload();\">Try again</button><p><a href=\"/\">Go home</a></p></div>") templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 13, ".</p><button onClick=\"window.location.reload();\">Try again</button><p><a href=\"/\">Go home</a></p></div>")
if templ_7745c5c3_Err != nil { if templ_7745c5c3_Err != nil {
return templ_7745c5c3_Err return templ_7745c5c3_Err
} }

12
cmd/anubis/js/main.mjs
View file

@ -11,15 +11,16 @@ const u = (url = "", params = {}) => {
return result.toString(); return result.toString();
}; };
const imageURL = (mood) => { const imageURL = (mood, cacheBuster) =>
return `/.within.website/x/cmd/anubis/static/img/${mood}.webp`; u(`/.within.website/x/cmd/anubis/static/img/${mood}.webp`, { cacheBuster });
};
(async () => { (async () => {
const status = document.getElementById('status'); const status = document.getElementById('status');
const image = document.getElementById('image'); const image = document.getElementById('image');
const title = document.getElementById('title'); const title = document.getElementById('title');
const spinner = document.getElementById('spinner'); const spinner = document.getElementById('spinner');
const anubisVersion = JSON.parse(document.getElementById('anubis_version').textContent);
// const testarea = document.getElementById('testarea'); // const testarea = document.getElementById('testarea');
// const videoWorks = await testVideo(testarea); // const videoWorks = await testVideo(testarea);
@ -57,15 +58,16 @@ const imageURL = (mood) => {
const t0 = Date.now(); const t0 = Date.now();
const { hash, nonce } = await process(challenge, difficulty); const { hash, nonce } = await process(challenge, difficulty);
const t1 = Date.now(); const t1 = Date.now();
console.log({ hash, nonce });
title.innerHTML = "Success!"; title.innerHTML = "Success!";
status.innerHTML = `Done! Took ${t1 - t0}ms, ${nonce} iterations`; status.innerHTML = `Done! Took ${t1 - t0}ms, ${nonce} iterations`;
image.src = imageURL("happy"); image.src = imageURL("happy", anubisVersion);
spinner.innerHTML = ""; spinner.innerHTML = "";
spinner.style.display = "none"; spinner.style.display = "none";
setTimeout(() => { setTimeout(() => {
const redir = window.location.href; const redir = window.location.href;
window.location.href = u("/.within.website/x/cmd/anubis/api/pass-challenge", { response: hash, nonce, redir, elapsedTime: t1 - t0 }); window.location.href = u("/.within.website/x/cmd/anubis/api/pass-challenge", { response: hash, nonce, redir, elapsedTime: t1 - t0 });
}, 2000); }, 250);
})(); })();

78
cmd/anubis/js/proof-of-work.mjs
View file

@ -1,27 +1,35 @@
// https://dev.to/ratmd/simple-proof-of-work-in-javascript-3kgm // https://dev.to/ratmd/simple-proof-of-work-in-javascript-3kgm
export function process(data, difficulty = 5) { export function process(data, difficulty = 5, threads = navigator.hardwareConcurrency) {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
let webWorkerURL = URL.createObjectURL(new Blob([ let webWorkerURL = URL.createObjectURL(new Blob([
'(', processTask(), ')()' '(', processTask(), ')()'
], { type: 'application/javascript' })); ], { type: 'application/javascript' }));
let worker = new Worker(webWorkerURL); const workers = [];
worker.onmessage = (event) => { for (let i = 0; i < threads; i++) {
worker.terminate(); let worker = new Worker(webWorkerURL);
resolve(event.data);
};
worker.onerror = (event) => { worker.onmessage = (event) => {
worker.terminate(); workers.forEach(worker => worker.terminate());
reject(); worker.terminate();
}; resolve(event.data);
};
worker.postMessage({ worker.onerror = (event) => {
data, worker.terminate();
difficulty reject();
}); };
worker.postMessage({
data,
difficulty,
nonce: 1000000 * i,
});
workers.push(worker);
}
URL.revokeObjectURL(webWorkerURL); URL.revokeObjectURL(webWorkerURL);
}); });
@ -31,22 +39,44 @@ function processTask() {
return function () { return function () {
const sha256 = (text) => { const sha256 = (text) => {
const encoded = new TextEncoder().encode(text); const encoded = new TextEncoder().encode(text);
return crypto.subtle.digest("SHA-256", encoded.buffer).then((result) => return crypto.subtle.digest("SHA-256", encoded.buffer);
Array.from(new Uint8Array(result))
.map((c) => c.toString(16).padStart(2, "0"))
.join(""),
);
}; };
function uint8ArrayToHexString(arr) {
return Array.from(arr)
.map((c) => c.toString(16).padStart(2, "0"))
.join("");
}
addEventListener('message', async (event) => { addEventListener('message', async (event) => {
let data = event.data.data; let data = event.data.data;
let difficulty = event.data.difficulty; let difficulty = event.data.difficulty;
let hash; let hash;
let nonce = 0; let nonce = event.data.nonce || 0;
do {
hash = await sha256(data + nonce++); while (true) {
} while (hash.substring(0, difficulty) !== Array(difficulty + 1).join('0')); const currentHash = await sha256(data + nonce++);
const thisHash = new Uint8Array(currentHash);
let valid = true;
for (let j = 0; j < difficulty; j++) {
const byteIndex = Math.floor(j / 2); // which byte we are looking at
const nibbleIndex = j % 2; // which nibble in the byte we are looking at (0 is high, 1 is low)
let nibble = (thisHash[byteIndex] >> (nibbleIndex === 0 ? 4 : 0)) & 0x0F; // Get the nibble
if (nibble !== 0) {
valid = false;
break;
}
}
if (valid) {
hash = uint8ArrayToHexString(thisHash);
console.log(hash);
break;
}
}
nonce -= 1; // last nonce was post-incremented nonce -= 1; // last nonce was post-incremented

2
cmd/anubis/main.go
View file

@ -82,7 +82,7 @@ const (
) )
//go:generate go tool github.com/a-h/templ/cmd/templ generate //go:generate go tool github.com/a-h/templ/cmd/templ generate
//go:generate esbuild js/main.mjs --sourcemap --minify --bundle --outfile=static/js/main.mjs //go:generate esbuild js/main.mjs --sourcemap --bundle --minify --outfile=static/js/main.mjs
//go:generate gzip -f -k static/js/main.mjs //go:generate gzip -f -k static/js/main.mjs
//go:generate zstd -f -k --ultra -22 static/js/main.mjs //go:generate zstd -f -k --ultra -22 static/js/main.mjs
//go:generate brotli -fZk static/js/main.mjs //go:generate brotli -fZk static/js/main.mjs

2
cmd/anubis/static/js/main.mjs
View file

@ -1,2 +1,2 @@
(()=>{function l(n,s=5){return new Promise((i,e)=>{let o=URL.createObjectURL(new Blob(["(",w(),")()"],{type:"application/javascript"})),t=new Worker(o);t.onmessage=r=>{t.terminate(),i(r.data)},t.onerror=r=>{t.terminate(),e()},t.postMessage({data:n,difficulty:s}),URL.revokeObjectURL(o)})}function w(){return function(){let n=s=>{let i=new TextEncoder().encode(s);return crypto.subtle.digest("SHA-256",i.buffer).then(e=>Array.from(new Uint8Array(e)).map(o=>o.toString(16).padStart(2,"0")).join(""))};addEventListener("message",async s=>{let i=s.data.data,e=s.data.difficulty,o,t=0;do o=await n(i+t++);while(o.substring(0,e)!==Array(e+1).join("0"));t-=1,postMessage({hash:o,data:i,difficulty:e,nonce:t})})}.toString()}var h=(n="",s={})=>{let i=new URL(n,window.location.href);return Object.entries(s).forEach(e=>{let[o,t]=e;i.searchParams.set(o,t)}),i.toString()},m=n=>`/.within.website/x/cmd/anubis/static/img/${n}.webp`;(async()=>{let n=document.getElementById("status"),s=document.getElementById("image"),i=document.getElementById("title"),e=document.getElementById("spinner");n.innerHTML="Calculating...";let{challenge:o,difficulty:t}=await fetch("/.within.website/x/cmd/anubis/api/make-challenge",{method:"POST"}).then(a=>{if(!a.ok)throw new Error("Failed to fetch config");return a.json()}).catch(a=>{throw i.innerHTML="Oh no!",n.innerHTML=`Failed to fetch config: ${a.message}`,s.src=m("sad"),e.innerHTML="",e.style.display="none",a});n.innerHTML=`Calculating...<br/>Difficulty: ${t}`;let r=Date.now(),{hash:u,nonce:c}=await l(o,t),d=Date.now();i.innerHTML="Success!",n.innerHTML=`Done! Took ${d-r}ms, ${c} iterations`,s.src=m("happy"),e.innerHTML="",e.style.display="none",setTimeout(()=>{let a=window.location.href;window.location.href=h("/.within.website/x/cmd/anubis/api/pass-challenge",{response:u,nonce:c,redir:a,elapsedTime:d-r})},2e3)})();})(); (()=>{function m(n,i=5,e=navigator.hardwareConcurrency){return new Promise((t,d)=>{let s=URL.createObjectURL(new Blob(["(",p(),")()"],{type:"application/javascript"})),a=[];for(let u=0;u<e;u++){let o=new Worker(s);o.onmessage=r=>{a.forEach(c=>c.terminate()),o.terminate(),t(r.data)},o.onerror=r=>{o.terminate(),d()},o.postMessage({data:n,difficulty:i,nonce:1e6*u}),a.push(o)}URL.revokeObjectURL(s)})}function p(){return function(){let n=e=>{let t=new TextEncoder().encode(e);return crypto.subtle.digest("SHA-256",t.buffer)};function i(e){return Array.from(e).map(t=>t.toString(16).padStart(2,"0")).join("")}addEventListener("message",async e=>{let t=e.data.data,d=e.data.difficulty,s,a=e.data.nonce||0;for(;;){let u=await n(t+a++),o=new Uint8Array(u),r=!0;for(let c=0;c<d;c++){let l=Math.floor(c/2),f=c%2;if((o[l]>>(f===0?4:0)&15)!==0){r=!1;break}}if(r){s=i(o),console.log(s);break}}a-=1,postMessage({hash:s,data:t,difficulty:d,nonce:a})})}.toString()}var w=(n="",i={})=>{let e=new URL(n,window.location.href);return Object.entries(i).forEach(t=>{let[d,s]=t;e.searchParams.set(d,s)}),e.toString()},h=(n,i)=>w(`/.within.website/x/cmd/anubis/static/img/${n}.webp`,{cacheBuster:i});(async()=>{let n=document.getElementById("status"),i=document.getElementById("image"),e=document.getElementById("title"),t=document.getElementById("spinner"),d=JSON.parse(document.getElementById("anubis_version").textContent);n.innerHTML="Calculating...";let{challenge:s,difficulty:a}=await fetch("/.within.website/x/cmd/anubis/api/make-challenge",{method:"POST"}).then(l=>{if(!l.ok)throw new Error("Failed to fetch config");return l.json()}).catch(l=>{throw e.innerHTML="Oh no!",n.innerHTML=`Failed to fetch config: ${l.message}`,i.src=h("sad"),t.innerHTML="",t.style.display="none",l});n.innerHTML=`Calculating...<br/>Difficulty: ${a}`;let u=Date.now(),{hash:o,nonce:r}=await m(s,a),c=Date.now();console.log({hash:o,nonce:r}),e.innerHTML="Success!",n.innerHTML=`Done! Took ${c-u}ms, ${r} iterations`,i.src=h("happy",d),t.innerHTML="",t.style.display="none",setTimeout(()=>{let l=window.location.href;window.location.href=w("/.within.website/x/cmd/anubis/api/pass-challenge",{response:o,nonce:r,redir:l,elapsedTime:c-u})},250)})();})();
//# sourceMappingURL=main.mjs.map //# sourceMappingURL=main.mjs.map

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cmd/anubis/static/js/main.mjs.br
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cmd/anubis/static/js/main.mjs.gz
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6
cmd/anubis/static/js/main.mjs.map
View file

@ -1,7 +1,7 @@
{ {
"version": 3, "version": 3,
"sources": ["../../js/proof-of-work.mjs", "../../js/main.mjs"], "sources": ["../../js/proof-of-work.mjs", "../../js/main.mjs"],
"sourcesContent": ["// https://dev.to/ratmd/simple-proof-of-work-in-javascript-3kgm\n\nexport function process(data, difficulty = 5) {\n return new Promise((resolve, reject) => {\n let webWorkerURL = URL.createObjectURL(new Blob([\n '(', processTask(), ')()'\n ], { type: 'application/javascript' }));\n\n let worker = new Worker(webWorkerURL);\n\n worker.onmessage = (event) => {\n worker.terminate();\n resolve(event.data);\n };\n\n worker.onerror = (event) => {\n worker.terminate();\n reject();\n };\n\n worker.postMessage({\n data,\n difficulty\n });\n\n URL.revokeObjectURL(webWorkerURL);\n });\n}\n\nfunction processTask() {\n return function () {\n const sha256 = (text) => {\n const encoded = new TextEncoder().encode(text);\n return crypto.subtle.digest(\"SHA-256\", encoded.buffer).then((result) =>\n Array.from(new Uint8Array(result))\n .map((c) => c.toString(16).padStart(2, \"0\"))\n .join(\"\"),\n );\n };\n\n addEventListener('message', async (event) => {\n let data = event.data.data;\n let difficulty = event.data.difficulty;\n\n let hash;\n let nonce = 0;\n do {\n hash = await sha256(data + nonce++);\n } while (hash.substring(0, difficulty) !== Array(difficulty + 1).join('0'));\n\n nonce -= 1; // last nonce was post-incremented\n\n postMessage({\n hash,\n data,\n difficulty,\n nonce,\n });\n });\n }.toString();\n}\n\n", "import { process } from './proof-of-work.mjs';\nimport { testVideo } from './video.mjs';\n\n// from Xeact\nconst u = (url = \"\", params = {}) => {\n let result = new URL(url, window.location.href);\n Object.entries(params).forEach((kv) => {\n let [k, v] = kv;\n result.searchParams.set(k, v);\n });\n return result.toString();\n};\n\nconst imageURL = (mood) => {\n return `/.within.website/x/cmd/anubis/static/img/${mood}.webp`;\n};\n\n(async () => {\n const status = document.getElementById('status');\n const image = document.getElementById('image');\n const title = document.getElementById('title');\n const spinner = document.getElementById('spinner');\n // const testarea = document.getElementById('testarea');\n\n // const videoWorks = await testVideo(testarea);\n // console.log(`videoWorks: ${videoWorks}`);\n\n // if (!videoWorks) {\n // title.innerHTML = \"Oh no!\";\n // status.innerHTML = \"Checks failed. Please check your browser's settings and try again.\";\n // image.src = imageURL(\"sad\");\n // spinner.innerHTML = \"\";\n // spinner.style.display = \"none\";\n // return;\n // }\n\n status.innerHTML = 'Calculating...';\n\n const { challenge, difficulty } = await fetch(\"/.within.website/x/cmd/anubis/api/make-challenge\", { method: \"POST\" })\n .then(r => {\n if (!r.ok) {\n throw new Error(\"Failed to fetch config\");\n }\n return r.json();\n })\n .catch(err => {\n title.innerHTML = \"Oh no!\";\n status.innerHTML = `Failed to fetch config: ${err.message}`;\n image.src = imageURL(\"sad\");\n spinner.innerHTML = \"\";\n spinner.style.display = \"none\";\n throw err;\n });\n\n status.innerHTML = `Calculating...<br/>Difficulty: ${difficulty}`;\n\n const t0 = Date.now();\n const { hash, nonce } = await process(challenge, difficulty);\n const t1 = Date.now();\n\n title.innerHTML = \"Success!\";\n status.innerHTML = `Done! Took ${t1 - t0}ms, ${nonce} iterations`;\n image.src = imageURL(\"happy\");\n spinner.innerHTML = \"\";\n spinner.style.display = \"none\";\n\n setTimeout(() => {\n const redir = window.location.href;\n window.location.href = u(\"/.within.website/x/cmd/anubis/api/pass-challenge\", { response: hash, nonce, redir, elapsedTime: t1 - t0 });\n }, 2000);\n})();"], "sourcesContent": ["// https://dev.to/ratmd/simple-proof-of-work-in-javascript-3kgm\n\nexport function process(data, difficulty = 5, threads = navigator.hardwareConcurrency) {\n return new Promise((resolve, reject) => {\n let webWorkerURL = URL.createObjectURL(new Blob([\n '(', processTask(), ')()'\n ], { type: 'application/javascript' }));\n\n const workers = [];\n\n for (let i = 0; i < threads; i++) {\n let worker = new Worker(webWorkerURL);\n\n worker.onmessage = (event) => {\n workers.forEach(worker => worker.terminate());\n worker.terminate();\n resolve(event.data);\n };\n\n worker.onerror = (event) => {\n worker.terminate();\n reject();\n };\n\n worker.postMessage({\n data,\n difficulty,\n nonce: 1000000 * i,\n });\n\n workers.push(worker);\n }\n\n URL.revokeObjectURL(webWorkerURL);\n });\n}\n\nfunction processTask() {\n return function () {\n const sha256 = (text) => {\n const encoded = new TextEncoder().encode(text);\n return crypto.subtle.digest(\"SHA-256\", encoded.buffer);\n };\n\n function uint8ArrayToHexString(arr) {\n return Array.from(arr)\n .map((c) => c.toString(16).padStart(2, \"0\"))\n .join(\"\");\n }\n\n addEventListener('message', async (event) => {\n let data = event.data.data;\n let difficulty = event.data.difficulty;\n let hash;\n let nonce = event.data.nonce || 0;\n\n while (true) {\n const currentHash = await sha256(data + nonce++);\n const thisHash = new Uint8Array(currentHash);\n let valid = true;\n\n for (let j = 0; j < difficulty; j++) {\n const byteIndex = Math.floor(j / 2); // which byte we are looking at\n const nibbleIndex = j % 2; // which nibble in the byte we are looking at (0 is high, 1 is low)\n\n let nibble = (thisHash[byteIndex] >> (nibbleIndex === 0 ? 4 : 0)) & 0x0F; // Get the nibble\n\n if (nibble !== 0) {\n valid = false;\n break;\n }\n }\n\n if (valid) {\n hash = uint8ArrayToHexString(thisHash);\n console.log(hash);\n break;\n }\n }\n\n nonce -= 1; // last nonce was post-incremented\n\n postMessage({\n hash,\n data,\n difficulty,\n nonce,\n });\n });\n }.toString();\n}\n\n", "import { process } from './proof-of-work.mjs';\nimport { testVideo } from './video.mjs';\n\n// from Xeact\nconst u = (url = \"\", params = {}) => {\n let result = new URL(url, window.location.href);\n Object.entries(params).forEach((kv) => {\n let [k, v] = kv;\n result.searchParams.set(k, v);\n });\n return result.toString();\n};\n\nconst imageURL = (mood, cacheBuster) =>\n u(`/.within.website/x/cmd/anubis/static/img/${mood}.webp`, { cacheBuster });\n\n(async () => {\n const status = document.getElementById('status');\n const image = document.getElementById('image');\n const title = document.getElementById('title');\n const spinner = document.getElementById('spinner');\n const anubisVersion = JSON.parse(document.getElementById('anubis_version').textContent);\n\n // const testarea = document.getElementById('testarea');\n\n // const videoWorks = await testVideo(testarea);\n // console.log(`videoWorks: ${videoWorks}`);\n\n // if (!videoWorks) {\n // title.innerHTML = \"Oh no!\";\n // status.innerHTML = \"Checks failed. Please check your browser's settings and try again.\";\n // image.src = imageURL(\"sad\");\n // spinner.innerHTML = \"\";\n // spinner.style.display = \"none\";\n // return;\n // }\n\n status.innerHTML = 'Calculating...';\n\n const { challenge, difficulty } = await fetch(\"/.within.website/x/cmd/anubis/api/make-challenge\", { method: \"POST\" })\n .then(r => {\n if (!r.ok) {\n throw new Error(\"Failed to fetch config\");\n }\n return r.json();\n })\n .catch(err => {\n title.innerHTML = \"Oh no!\";\n status.innerHTML = `Failed to fetch config: ${err.message}`;\n image.src = imageURL(\"sad\");\n spinner.innerHTML = \"\";\n spinner.style.display = \"none\";\n throw err;\n });\n\n status.innerHTML = `Calculating...<br/>Difficulty: ${difficulty}`;\n\n const t0 = Date.now();\n const { hash, nonce } = await process(challenge, difficulty);\n const t1 = Date.now();\n console.log({ hash, nonce });\n\n title.innerHTML = \"Success!\";\n status.innerHTML = `Done! Took ${t1 - t0}ms, ${nonce} iterations`;\n image.src = imageURL(\"happy\", anubisVersion);\n spinner.innerHTML = \"\";\n spinner.style.display = \"none\";\n\n setTimeout(() => {\n const redir = window.location.href;\n window.location.href = u(\"/.within.website/x/cmd/anubis/api/pass-challenge\", { response: hash, nonce, redir, elapsedTime: t1 - t0 });\n }, 250);\n})();"],
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} }

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cmd/anubis/static/js/main.mjs.zst
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