From 72ed630089e1aaa7d8ed88fd3b4d03d55af52326 Mon Sep 17 00:00:00 2001
From: Jieiku
Date: Thu, 21 Jul 2022 13:18:15 -0700
Subject: email obfuscation

---
 config.toml                    |  6 ++++--
 content/pages/about.md         |  2 +-
 static/abridge-switcher.min.js |  2 +-
 static/abridge.min.js          |  2 +-
 static/email.js                | 24 ++++++++++++++++++++++++
 templates/macros/head.html     | 28 ++++++++++++++++++++--------
 templates/macros/social.html   |  8 +++++++-
 7 files changed, 58 insertions(+), 14 deletions(-)
 create mode 100644 static/email.js

diff --git a/config.toml b/config.toml
index 4bb8d87..beb8f22 100644
--- a/config.toml
+++ b/config.toml
@@ -99,6 +99,7 @@ js_search_index = "search_index.en.js" # Separate Always, generated each build
 js_prestyle = "prestyle.js"# Bundleable - used to preload: FontAwesome, Katex, external Google Fonts
 js_search = [ "elasticlunr.min.js", "search.js" ]# Bundleable
 js_codecopy = "codecopy.js"# Bundleable
+js_email = "email.js"# Bundleable
 
 ########## Switcher ########## (comment this block out if NOT using switcher):
 js_theme = "theme.min.js" # Separate Always, comment out if using -auto/-light/-dark stylesheet. (required for switcher)
@@ -130,8 +131,8 @@ stylesheets = [ "abridge-switcher.css" ] # Orange Automatic Dark/Light Theme bas
 # You can include whatever js you want in your bundle. just generate your file like below and place in your sites root static directory:
 #               cd mysite/themes/abridge/static
 # search:       uglifyjs elasticlunr.min.js search.js -o search.min.js -c -m
-# noswitcher:   uglifyjs prestyle.js codecopy.js elasticlunr.min.js search.js -o abridge.min.js -c -m
-# ALL:          uglifyjs prestyle.js codecopy.js theme_button.js elasticlunr.min.js search.js -o abridge-switcher.min.js -c -m
+# noswitcher:   uglifyjs prestyle.js email.js codecopy.js elasticlunr.min.js search.js -o abridge.min.js -c -m
+# ALL:          uglifyjs prestyle.js theme_button.js email.js codecopy.js elasticlunr.min.js search.js -o abridge-switcher.min.js -c -m
 # theme:        uglifyjs theme.js -o theme.min.js -c -m
 # katex_bundle: uglifyjs katex.min.js mathtex-script-type.min.js auto-render.min.js katexoptions.js -o katexbundle.min.js -c -m
 
@@ -203,6 +204,7 @@ seo = true  # enable or disable seo-related meta tags: opengraph, facebook, twit
 # Footer social links; full options listed in macros/social.html
 [extra.social]
 feed = true
+mail_encode = true # This obfuscates your email address, javascript is used to decode it at page load.
 mail = "name@example.com"
 mastodon = "@your-user-name"
 element = "matrix.example.com"
diff --git a/content/pages/about.md b/content/pages/about.md
index daf125c..b2de7b1 100644
--- a/content/pages/about.md
+++ b/content/pages/about.md
@@ -12,7 +12,7 @@ Some fun facts about the theme:
 
 * Perfect score on Google's Lighthouse audit
 * Only ~6 KB of CSS before enabling the SVG CSS icons.
-* No JavaScript (except the search which can be disabled)
+* No mandatory JavaScript.
 * Now with SEO!
 
 Nearly half of the existing Zola MIT themes were inspiration for features and design of this theme.
diff --git a/static/abridge-switcher.min.js b/static/abridge-switcher.min.js
index 2319ea3..d35be63 100644
--- a/static/abridge-switcher.min.js
+++ b/static/abridge-switcher.min.js
@@ -1 +1 @@
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e.length<3?e:("y"==(n=e.substr(0,1))&&(e=n.toUpperCase()+e.substr(1)),u=y,(r=g).test(e)?e=e.replace(r,"$1$2"):u.test(e)&&(e=e.replace(u,"$1$2")),u=S,(r=v).test(e)?(l=r.exec(e),(r=d).test(l[1])&&(e=e.replace(r=x,""))):u.test(e)&&(s=(l=u.exec(e))[1],(u=p).test(s)&&(e=s,o=b,i=E,(u=w).test(e)?e+="e":o.test(e)?e=e.replace(r=x,""):i.test(e)&&(e+="e"))),(r=I).test(e)&&(e=(s=(l=r.exec(e))[1])+"i"),(r=F).test(e)&&(s=(l=r.exec(e))[1],t=l[2],(r=d).test(s)&&(e=s+a[t])),(r=D).test(e)&&(s=(l=r.exec(e))[1],t=l[2],(r=d).test(s)&&(e=s+c[t])),u=N,(r=C).test(e)?(s=(l=r.exec(e))[1],(r=h).test(s)&&(e=s)):u.test(e)&&(s=(l=u.exec(e))[1]+l[2],(u=h).test(s)&&(e=s)),(r=k).test(e)&&(s=(l=r.exec(e))[1],u=f,o=_,((r=h).test(s)||u.test(s)&&!o.test(s))&&(e=s)),u=h,(r=L).test(e)&&u.test(e)&&(e=e.replace(r=x,"")),"y"==n?n.toLowerCase()+e.substr(1):e)},"stemmer"),m.stopWordFilter=function(e){return e&&!0!==m.stopWordFilter.stopWords[e]?e:void 0},m.clearStopWords=function(){m.stopWordFilter.stopWords={}},m.addStopWords=function(e){null!=e&&!1!==Array.isArray(e)&&e.forEach(function(e){m.stopWordFilter.stopWords[e]=!0},this)},m.resetStopWords=function(){m.stopWordFilter.stopWords=m.defaultStopWords},m.stopWordFilter.stopWords=m.defaultStopWords={"":!0,a:!0,able:!0,about:!0,across:!0,after:!0,all:!0,almost:!0,also:!0,am:!0,among:!0,an:!0,and:!0,any:!0,are:!0,as:!0,at:!0,be:!0,because:!0,been:!0,but:!0,by:!0,can:!0,cannot:!0,could:!0,dear:!0,did:!0,do:!0,does:!0,either:!0,else:!0,ever:!0,every:!0,for:!0,from:!0,get:!0,got:!0,had:!0,has:!0,have:!0,he:!0,her:!0,hers:!0,him:!0,his:!0,how:!0,however:!0,i:!0,if:!0,in:!0,into:!0,is:!0,it:!0,its:!0,just:!0,least:!0,let:!0,like:!0,likely:!0,may:!0,me:!0,might:!0,most:!0,must:!0,my:!0,neither:!0,no:!0,nor:!0,not:!0,of:!0,off:!0,often:!0,on:!0,only:!0,or:!0,other:!0,our:!0,own:!0,rather:!0,said:!0,say:!0,says:!0,she:!0,should:!0,since:!0,so:!0,some:!0,than:!0,that:!0,the:!0,their:!0,them:!0,then:!0,there:!0,these:!0,they:!0,this:!0,tis:!0,to:!0,too:!0,twas:!0,us:!0,wants:!0,was:!0,we:!0,were:!0,what:!0,when:!0,where:!0,which:!0,while:!0,who:!0,whom:!0,why:!0,will:!0,with:!0,would:!0,yet:!0,you:!0,your:!0},m.Pipeline.registerFunction(m.stopWordFilter,"stopWordFilter"),m.Pipeline.registerFunction(m.trimmer=function(e){if(null==e)throw new Error("token should not be undefined");return e.replace(/^\W+/,"").replace(/\W+$/,"")},"trimmer"),(m.InvertedIndex=function(){this.root={docs:{},df:0}}).load=function(e){var t=new this;return t.root=e.root,t},m.InvertedIndex.prototype.addToken=function(e,t,n){for(var n=n||this.root,o=0;o<=e.length-1;){var i=e[o];i in n||(n[i]={docs:{},df:0}),o+=1,n=n[i]}var r=t.ref;n.docs[r]?n.docs[r]={tf:t.tf}:(n.docs[r]={tf:t.tf},n.df+=1)},m.InvertedIndex.prototype.hasToken=function(e){if(!e)return!1;for(var t=this.root,n=0;n<e.length;n++){if(!t[e[n]])return!1;t=t[e[n]]}return!0},m.InvertedIndex.prototype.getNode=function(e){if(!e)return null;for(var t=this.root,n=0;n<e.length;n++){if(!t[e[n]])return null;t=t[e[n]]}return t},m.InvertedIndex.prototype.getDocs=function(e){e=this.getNode(e);return null==e?{}:e.docs},m.InvertedIndex.prototype.getTermFrequency=function(e,t){e=this.getNode(e);return null!=e&&t in e.docs?e.docs[t].tf:0},m.InvertedIndex.prototype.getDocFreq=function(e){e=this.getNode(e);return null==e?0:e.df},m.InvertedIndex.prototype.removeToken=function(e,t){e&&null!=(e=this.getNode(e))&&t in e.docs&&(delete e.docs[t],--e.df)},m.InvertedIndex.prototype.expandToken=function(e,t,n){if(null==e||""==e)return[];var o,t=t||[];if(null==n&&null==(n=this.getNode(e)))return t;for(o in 0<n.df&&t.push(e),n)"docs"!==o&&"df"!==o&&this.expandToken(e+o,t,n[o]);return t},m.InvertedIndex.prototype.toJSON=function(){return{root:this.root}},(m.Configuration=function(e,t){var n,e=e||"";if(null==t)throw new Error("fields should not be null");this.config={};try{n=JSON.parse(e),this.buildUserConfig(n,t)}catch(e){m.utils.warn("user configuration parse failed, will use default 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diff --git a/static/abridge.min.js b/static/abridge.min.js
index 6679690..c795345 100644
--- a/static/abridge.min.js
+++ b/static/abridge.min.js
@@ -1 +1 @@
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0},m.clearStopWords=function(){m.stopWordFilter.stopWords={}},m.addStopWords=function(e){null!=e&&!1!==Array.isArray(e)&&e.forEach(function(e){m.stopWordFilter.stopWords[e]=!0},this)},m.resetStopWords=function(){m.stopWordFilter.stopWords=m.defaultStopWords},m.stopWordFilter.stopWords=m.defaultStopWords={"":!0,a:!0,able:!0,about:!0,across:!0,after:!0,all:!0,almost:!0,also:!0,am:!0,among:!0,an:!0,and:!0,any:!0,are:!0,as:!0,at:!0,be:!0,because:!0,been:!0,but:!0,by:!0,can:!0,cannot:!0,could:!0,dear:!0,did:!0,do:!0,does:!0,either:!0,else:!0,ever:!0,every:!0,for:!0,from:!0,get:!0,got:!0,had:!0,has:!0,have:!0,he:!0,her:!0,hers:!0,him:!0,his:!0,how:!0,however:!0,i:!0,if:!0,in:!0,into:!0,is:!0,it:!0,its:!0,just:!0,least:!0,let:!0,like:!0,likely:!0,may:!0,me:!0,might:!0,most:!0,must:!0,my:!0,neither:!0,no:!0,nor:!0,not:!0,of:!0,off:!0,often:!0,on:!0,only:!0,or:!0,other:!0,our:!0,own:!0,rather:!0,said:!0,say:!0,says:!0,she:!0,should:!0,since:!0,so:!0,some:!0,than:!0,that:!0,the:!0,their:!0,them:!0,then:!0,there:!0,these:!0,they:!0,this:!0,tis:!0,to:!0,too:!0,twas:!0,us:!0,wants:!0,was:!0,we:!0,were:!0,what:!0,when:!0,where:!0,which:!0,while:!0,who:!0,whom:!0,why:!0,will:!0,with:!0,would:!0,yet:!0,you:!0,your:!0},m.Pipeline.registerFunction(m.stopWordFilter,"stopWordFilter"),m.Pipeline.registerFunction(m.trimmer=function(e){if(null==e)throw 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href><span></span><span></span></a>",a=n.querySelector("a"),t=n.querySelector("span:first-child"),d=n.querySelector("span:nth-child(2)"),a.href=e.ref,t.textContent=e.doc.title,d.innerHTML=function(e,t){var n=t.map(function(e){return elasticlunr.stemmer(e.toLowerCase())}),o=!1,i=0,r=[],s=e.toLowerCase().split(". ");for(p in s){var u,l=s[p].split(/[\s\n]/),a=8;for(u in l){if(0<(x=l[u]).length){for(var c in n)elasticlunr.stemmer(x).startsWith(n[c])&&(a=40,o=!0);r.push([x,a,i]),a=2}i=i+x.length+1}i+=1}if(0===r.length)return void 0!==e.length&&300<e.length?e.substring(0,300)+"...":e;for(var d=[],h=Math.min(r.length,30),f=0,p=0;p<h;p++)f+=r[p][1];d.push(f);for(p=0;p<r.length-h;p++)f=(f-=r[p][1])+r[p+h][1],d.push(f);var g=0;if(o)for(var m=0,p=d.length-1;0<=p;p--)d[p]>m&&(m=d[p],g=p);for(var y=[],v=r[g][2],p=g;p<g+h;p++){var S,x=r[p];v<x[2]&&(y.push(e.substring(v,x[2])),v=x[2]),40===x[1]&&y.push("<b>"),v=x[2]+x[0].length;40!==x[1]&&12<=x[0].length&&!/^[\x00-\xff]+$/.test(x[0])?(S=substringByByte(e.substring(x[2],v),12),y.push(S)):y.push(e.substring(x[2],v)),40===x[1]&&y.push("</b>")}return y.push("…"),y.join("")}(e.doc.body,s),suggestions.appendChild(n))});for(;i.length>r;)suggestions.removeChild(i[0])},!0),suggestions.addEventListener("click",function(){for(;suggestions.lastChild;)suggestions.removeChild(suggestions.lastChild);return!1},!0)}();
\ No newline at end of file
diff --git a/static/email.js b/static/email.js
new file mode 100644
index 0000000..47aafc8
--- /dev/null
+++ b/static/email.js
@@ -0,0 +1,24 @@
+//btoa(unescape(encodeURIComponent(str))))
+//atob(escape(decodeURIComponent(str))))
+
+// Find all the elements on the page that use class="m-protected"
+var allElements = document.getElementsByClassName('m-protected');
+
+// Loop through all the elements, and update them
+for (var i = 0; i < allElements.length; i++) {
+    updateAnchor(allElements[i]);
+}
+
+function updateAnchor(el) {
+    // fetch the hex-encoded string from the title property
+    var encoded = el.getAttribute('title');
+
+    // replace the title
+    el.title = 'Mail';
+
+    // decode the email address and remove the added string 'abridge'.
+    var decoded = atob(encoded).substring(7);
+
+    // Set the link to be a "mailto:" link
+    el.href = 'mailto:' + decoded;
+}
diff --git a/templates/macros/head.html b/templates/macros/head.html
index b942f3e..8ebceb5 100644
--- a/templates/macros/head.html
+++ b/templates/macros/head.html
@@ -88,18 +88,24 @@
   {%- if config.extra.js_prestyle %}
   <script defer src="{{ get_url(path=config.extra.js_prestyle, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_prestyle, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
-  {%- endif %}
 
-  {%- if config.extra.js_codecopy %}
-  <script defer src="{{ get_url(path=config.extra.js_codecopy, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_codecopy, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
-
   {%- if config.extra.js_theme %}
   {%- if config.extra.js_themeButton %}
   <script defer src="{{ get_url(path=config.extra.js_themeButton, trailing_slash=false) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_themeButton, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 
+  {%- if config.extra.js_email %}
+  {%- if config.extra.social.mail_encode %}
+  <script defer src="{{ get_url(path=config.extra.js_email, trzailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_email, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
+  {%- endif %}
+  {%- endif %}
+
+  {%- if config.extra.js_codecopy %}
+  <script defer src="{{ get_url(path=config.extra.js_codecopy, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_codecopy, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
+  {%- endif %}
+
   {%- if config.extra.js_search_index %}
   <script defer src="{{ get_url(path=config.extra.js_search_index, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_search_index, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
@@ -123,16 +129,22 @@
   {%- endif %}
   {%- endif %}
 
-  {%- if config.extra.js_codecopy %}
-  <script defer src="{{ get_url(path=config.extra.js_codecopy, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_codecopy, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
-  {%- endif %}
-
   {%- if config.extra.js_theme %}
   {%- if config.extra.js_themeButton or config.extra.js_bundle %}
   <script defer src="{{ get_url(path=config.extra.js_themeButton, trailing_slash=false) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_themeButton, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
   {%- endif %}
   {%- endif %}
 
+  {%- if config.extra.js_email %}
+  {%- if config.extra.social.mail_encode %}
+  <script defer src="{{ get_url(path=config.extra.js_email, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_email, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
+  {%- endif %}
+  {%- endif %}
+
+  {%- if config.extra.js_codecopy %}
+  <script defer src="{{ get_url(path=config.extra.js_codecopy, trailing_slash=false, cachebust=true) | safe }}"{%- if config.extra.integrity %} integrity="sha384-{{ get_file_hash(path=config.extra.js_codecopy, sha_type=384, base64=true) | safe }}"{%- endif %}></script>
+  {%- endif %}
+
 
 {%- endif %}
 
diff --git a/templates/macros/social.html b/templates/macros/social.html
index e2786ef..0c704bf 100644
--- a/templates/macros/social.html
+++ b/templates/macros/social.html
@@ -5,7 +5,13 @@
           {%- if config.generate_feed -%}{%- if config.extra.social.feed -%}
           <li><a href="{{ get_url(path=config.feed_filename, trailing_slash=false) | safe }}" target="_blank" title="Atom/RSS Feed"><i type="Button" class="svg rss" title="Atom/RSS Feed"></i></a></li>{% endif -%}{% endif -%}
           {%- if social_config.mail -%}
-          <li><a href="mailto:{{ social_config.mail }}" target="_blank" title="Mail"><i type="Button" class="svg mail" title="Mail"></i></a></li>{% endif -%}
+          {%- if social_config.mail_encode -%}
+          {%- set base64_email = "abridge" ~ social_config.mail -%}
+          <li class="js"><a class="m-protected" href="#" target="_blank" title="{{ base64_email | base64_encode }}"><i type="Button" class="svg mail" title="Mail"></i></a></li>
+          {%- else -%}
+          <li><a href="mailto:{{ social_config.mail }}" target="_blank" title="Mail"><i type="Button" class="svg mail" title="Mail"></i></a></li>
+          {%- endif -%}
+          {% endif -%}
           {%- if social_config.mastodon -%}
           <li><a href="{{ social_config.mastodon }}/" target="_blank" title="Mastodon"><i type="Button" class="svg mastodon" title="Mastodon"></i></a></li>{% endif -%}
           {%- if social_config.element -%}
-- 
cgit v1.3.1