Drop deprecated stuff in the blog directory.

16 files changed, 0 insertions, 1217 deletions

diff --git a/blog/sbs_2/blogext.css b/blog/sbs_2/blogext.css
deleted file mode 100644
index 7b6916c..0000000
--- a/blog/sbs_2/blogext.css
+++ /dev/null
@@ -1,65 +0,0 @@
-span.right{
-	display:table-cell;
-	text-align:right;
-	white-space:nowrap;
-	min-width:12em;
-}
-a.toctarg{
-	margin-left:-160px;
-	padding-left:160px !important;
-}
-ul#tagslist{
-	list-style-type:none;
-	padding-left:0;
-}
-ul#tocroot{
-	list-style-type:none;
-	padding-left:24px;
-}
-ul.tocnode{
-	list-style-type:none;
-	padding-left:16px;
-}
-span.left{
-	display:table-cell;
-	text-align:left;
-	text-overflow:ellipsis;
-	overflow:hidden;
-	white-space:nowrap;
-}
-div h3{
-	margin: 0.5em 0;
-}
-#content .block{
-	margin: 1em 0;
-}
-p{
-	text-indent:2em;
-}
-.noindent{
-	text-indent:0 !important;
-}
-note, .note {
-	vertical-align: super;
-	font-size: 60%;
-}
-reduced, .reduced {
-	font-size: 75%;
-}
-enlarged, .enlarged {
-	font-size: 125%;
-}
-blockquote {
-	padding: 1em;
-	margin-left:4em;margin-right:4em;
-}
-.rightaligned {
-	text-align: right;
-}
-.nospace{font-size:0;}
-.nospace>span{font-size:16px;}
-#decryptdlg{max-width:30%;}
-@media (max-width:768px)
-{
-	#decryptdlg{max-width:90%;}
-}
diff --git a/blog/sbs_2/bloglist.js b/blog/sbs_2/bloglist.js
deleted file mode 100644
index c117afb..0000000
--- a/blog/sbs_2/bloglist.js
+++ /dev/null
@@ -1,216 +0,0 @@
-//License: Expat(MIT)
-//Chris Xiong 2017
-var pp=5,pn=0,animating,adir=1;
-var t,c,psw,curp,cbuf,cmdtl,flt;
-function request(url,func)
-{
-	var h=new XMLHttpRequest();
-	h.open("GET",url);
-	h.onload=()=>{func(h.response,h.status)};
-	h.send();
-}
-function parsetags(tgs)
-{
-	var r="";
-	var a=tgs.split(",");
-	r="#"+a[0];
-	for(var i=1;i<a.length;++i)r+=" #"+a[i];
-	return r;
-}
-function rmblk(i)
-{
-	var l=c.querySelectorAll("div.pendingrm");
-	if(i>=l.length)
-	{
-		setTimeout(function(){for(var i of l)c.removeChild(i);},500);
-		return;
-	}
-	var e=l.item(i);
-	var w=e.getBoundingClientRect().width;
-	e.style.left=adir*-1.3*w+"px";
-	setTimeout(rmblk,100,i+1);
-}
-function etrblk(i)
-{
-	var l=c.querySelectorAll("div.block:not(.pendingrm)");
-	if(!i)
-	{
-		for(var e of l)
-		if(e.id!="ptemplate")e.style.left=(adir*1.2*e.getBoundingClientRect().width)+"px";
-	}
-	if(i>=l.length)
-	{
-		setTimeout(()=>{animating=false;},500);
-		return;
-	}
-	var e=l.item(i);
-	if(e.id!="ptemplate")
-	e.style.left="0";
-	setTimeout(etrblk,100,i+1);
-}
-function setfilter(f,nlp)
-{
-	if(animating)return;
-	if(f[0]=='#')f=f.substr(1);
-	var ch=document.getElementById('tagslist').children;
-	var ff=false;
-	for(var i=0;i<ch.length;++i)
-	if(ch[i].children[0].innerHTML=="#"+f)
-	if(ch[i].children[0].classList.contains('active'))ch[i].children[0].classList.remove('active'),ff=true;
-	else ch[i].children[0].classList.add('active');else ch[i].children[0].classList.remove('active');
-	flt=f;if(ff)flt="";
-	pn=-1;if(!nlp)loadpage(0);
-}
-function modloc()
-{
-	var base=window.location.toString().substr(0,window.location.toString().search('/blog/list')+10);
-	var ret=base+(flt.length?'/'+flt:'')+'/'+pn;
-	window.history.replaceState("","Chrisoft::Blog",ret);
-}
-function loadpage(_pn)
-{
-	if(animating||_pn==pn)return;
-	if(_pn>pn)adir=1;else adir=-1;
-	pn=_pn;animating=true;modloc();
-	var l=c.querySelectorAll("div.block");
-	for(var i of l)
-	if(i.id!="ptemplate")
-	{
-		i.classList.add("pendingrm");
-		r=i.getBoundingClientRect();
-		i.style.top=(r.top-16)+"px";
-		i.style.left=r.left+"px";
-		i.style.width=r.width+"px";
-	}
-	for(var i of l)if(i.id!="ptemplate")i.style.position="fixed";
-	setTimeout(rmblk,10,0);
-	curp.innerHTML=(pn+1)+"/";
-	request("/blog/cgi-bin/get-archive-list.cgi?pp="+pp+"&pc"+(flt.length?"&f="+flt:""),
-	function(r){curp.innerHTML+=Number(r).toString();});
-	request("/blog/cgi-bin/get-archive-list.cgi?pp="+pp+"&pn="+pn+(flt.length?"&f="+flt:""),
-		function(r,s)
-		{
-			if(s!=200){animating=false;return;}
-			o=JSON.parse(r);
-			for(var i=0;i<o.postsOnPage;++i)
-			{
-				var e=t.cloneNode(true);
-				e.style.display="block";e.id="";
-				e.querySelector("h3").innerHTML='<a href=/blog/post/'+o.posts[i].filename+'>'+o.posts[i].title+'</a>';
-				e.querySelector("span.left").innerHTML=parsetags(o.posts[i].tags);
-				e.querySelector("span.right").innerHTML=o.posts[i].date;
-				c.insertBefore(e,psw);
-			}
-			setTimeout(etrblk,10,0);
-		}
-	);
-}
-function lastpage(){loadpage(pn-1<0?0:pn-1);}
-function nextpage(){request("/blog/cgi-bin/get-archive-list.cgi?pp="+pp+"&pc"+(flt.length?"&f="+flt:""),function(r){var pc=Number(r);if(pn+1<pc)loadpage(pn+1);});}
-function blinit()
-{
-	var parr=window.location.pathname.substr(10).split('/');
-	var pflt="";ppn=0;
-	if(parr.length>1&&parr[1].length)
-	{
-		if(!isNaN(parr[1]))ppn=Number(parr[1]);
-		else if(parr.length>2&&parr[2].length&&!isNaN(parr[2])){pflt=parr[1];ppn=Number(parr[2]);}
-		else if(parr.length>=2)pflt=parr[1];
-	}
-	t=document.getElementById("ptemplate");
-	c=document.getElementById("content");
-	psw=document.getElementById("insanch");
-	curp=document.getElementById("curp");
-	cbuf=document.getElementById("cmdbuf");
-	document.onkeypress=keypress;
-	document.onkeydown=(e)=>{switch(e.key){case "ArrowLeft":lastpage();break;case "ArrowRight":nextpage();break;}};
-	request("/blog/cgi-bin/get-archive-list.cgi?gt",
-		(r)=>
-		{
-			o=JSON.parse(r);
-			for(var i=0;i<o.length;++i)
-			{
-				var l=document.createElement('li');
-				l.innerHTML='<a href="javascript:void(0);" onclick="setfilter(\''+o[i]+'\');">'+o[i]+"</a>";
-				document.getElementById('tagslist').appendChild(l);
-			}
-			pn=-1;setfilter("#"+pflt,true);loadpage(ppn);
-		}
-	);
-}
-
-function showcmdbuf()
-{
-	cbuf.style.opacity="1";
-	if(cmdtl){clearTimeout(cmdtl);cmdtl=0;}
-	cmdtl=setTimeout(execcmd,1000);
-}
-function execcmd()
-{
-	var v=false;
-	switch(cbuf.innerHTML)
-	{
-		case "h":case "k":
-			lastpage();v=true;
-		break;
-		case "j":case "l":
-			nextpage();v=true;
-		break;
-		case "gg":
-			loadpage(0);v=true;
-		break;
-		case "G":
-			v=true;
-			request("/blog/cgi-bin/get-archive-list.cgi?pp="+pp+"&pc",
-				function(r){var pc=Number(r);loadpage(pc-1);}
-			);
-		break;
-		case "xyzzy":
-			cbuf.innerHTML="Going minesweeping!";
-			v=true;setTimeout(()=>{window.location.href="/minesweeper";},500);
-		break;
-	}
-	if(parseInt(cbuf.innerHTML).toString()+"G"==cbuf.innerHTML.trim())
-	{
-		v=true;
-		request("/blog/cgi-bin/get-archive-list.cgi?pp="+pp+"&pc",
-			function(r)
-			{var pc=Number(r),tpn=parseInt(cbuf.innerHTML)-1;if(tpn>=pc)tpn=pc-1;if(tpn<0)tpn=0;loadpage(tpn);}
-		);
-	}
-	if(cbuf.innerHTML[0]==':')
-	{
-		var sparr=cbuf.innerHTML.split(' ');
-		switch(sparr[0])
-		{
-			case ':setfilter':
-			case ':filter':
-			case ':flt':
-				v=true;
-				if(sparr.length<2)
-				{
-					cbuf.innerHTML='require 1 parameter';
-				}
-				else setfilter(sparr[1]);
-			break;
-			case ':nofilter':
-			case ':noflt':
-				v=true;
-				setfilter('');
-			break;
-		}
-	}
-	cbuf.style.opacity="0";
-	if(!v)cbuf.innerHTML="Unknown command.";
-}
-function keypress(e)
-{
-	if(cbuf.style.opacity=="0")cbuf.innerHTML="";
-	if(e.key.length==1)
-	{
-		cbuf.innerHTML+=e.key;showcmdbuf();
-		if(cbuf.innerHTML.length==1&&'hjkl'.search(cbuf.innerHTML)!=-1)
-		execcmd();
-	}
-	if(e.key=="Enter")execcmd();
-}
diff --git a/blog/sbs_2/blogpost.js b/blog/sbs_2/blogpost.js
deleted file mode 100644
index 4c17772..0000000
--- a/blog/sbs_2/blogpost.js
+++ /dev/null
@@ -1,103 +0,0 @@
-//License: Expat (MIT)
-//Chrisoft Xiong 2017
-var prev,succ,tocid=0,headerlist=[];
-function request(url,func)
-{
-	var h=new XMLHttpRequest();
-	h.open("GET",url);
-	h.onload=()=>{func(h.response,h.status)};
-	h.send();
-}
-function parsetags(tgs)
-{
-	var r="";
-	var a=tgs.split(",");
-	r="#"+a[0];
-	for(var i=1;i<a.length;++i)r+=" #"+a[i];
-	return r;
-}
-function dfs(el,le,p)
-{
-	var e=document.createElement('li');
-	e.innerHTML='<a class="toctarg" href="#tocanch'+tocid+'">'+el.innerHTML+'</a>';
-	le.appendChild(e);
-	el.id='tocanch'+(tocid++);
-	el.classList.add('tvis');
-	var che=null,i;
-	for(i=p+1;i<headerlist.length;)
-	{
-		if(headerlist[i].tagName<=el.tagName)break;
-		if(headerlist[i].classList.contains('notoc'))continue;
-		if(che===null)
-		{
-			var te=document.createElement('li');
-			che=document.createElement('ul');
-			che.classList.add('tocnode');
-			te.appendChild(che);
-			le.appendChild(te);
-		}
-		i=dfs(headerlist[i],che,i);
-	}
-	return i;
-}
-function bpinit()
-{
-	var parr=window.location.pathname.substr(10).split('/');
-	var pflt="";ppn=0;
-	if(parr.length>1&&parr[1].length)
-	{
-		request("/blog/cgi-bin/get-post-content.cgi?p="+parr[1],
-			(r,s)=>
-			{
-				if(s>=400)window.location="/blog";
-				var p1=r.search('\n');
-				var title=r.substr(0,r.search('\n'));
-				var p2=r.substr(p1+1).search('\n');
-				var date=r.substr(p1+1,p2);
-				var p3=r.substr(p1+p2+2).search('\n');
-				var tags=r.substr(p1+p2+2,p3);
-				document.getElementById("title").innerHTML=title;
-				document.getElementById("titleh").innerHTML=title;
-				document.getElementById("datetags").innerHTML=date+"<br>"+parsetags(tags);
-				document.getElementById("article").innerHTML=r.substr(p1+p2+p3+3);
-				var l=document.getElementById("article").querySelectorAll("script");
-				for(var i of l)
-				{
-					var s=document.createElement("script");
-					s.async=true;
-					s.src=i.src;
-					document.getElementById("article").appendChild(s);
-				}
-				var tgs=tags.split(',');
-				for(var i=0;i<tgs.length;++i)
-				{
-					var l=document.createElement('li');
-					l.innerHTML='<a href="/blog/list/'+tgs[i]+'/">'+tgs[i]+"</a>";
-					document.getElementById('tagslist').appendChild(l);
-				}
-				request("/blog/cgi-bin/get-archive-list.cgi?qn="+parr[1],
-				(r,s)=>
-				{
-					if(s>=400)return;
-					var o=JSON.parse(r);
-					prev=o.prev;succ=o.succ;
-				}
-				);
-				l=document.getElementById('article').querySelectorAll('h2,h3,h4,h5,h6');
-				var tocroot=document.getElementById('tocroot');
-				for(var i of l)
-				{
-					if(!i.classList.contains('notoc'))headerlist.push(i);
-				}
-				for(var i=0;i<headerlist.length;)i=dfs(headerlist[i],tocroot,i);
-				if(!tocroot.children.length)document.getElementById('tocouter').style.display='none';
-				for(var i=0;i<tgs.length;++i)
-				footnoter();
-				if(window.location.hash.length&&document.querySelector(window.location.hash))
-				window.scroll(window.scrollX,document.querySelector(window.location.hash).getBoundingClientRect().top);
-			}
-		);
-	}
-}
-function prevpost(){if(prev.length)window.location="/blog/post/"+prev;}
-function succpost(){if(succ.length)window.location="/blog/post/"+succ;}
diff --git a/blog/sbs_2/cgi-bin/.htaccess b/blog/sbs_2/cgi-bin/.htaccess
deleted file mode 100644
index 84df3ac..0000000
--- a/blog/sbs_2/cgi-bin/.htaccess
+++ /dev/null
@@ -1,3 +0,0 @@
-Options +ExecCGI
-AddHandler cgi-script cgi pl
-
diff --git a/blog/sbs_2/cgi-bin/get-archive-list.cgi b/blog/sbs_2/cgi-bin/get-archive-list.cgi
deleted file mode 120000
index 4024897..0000000
--- a/blog/sbs_2/cgi-bin/get-archive-list.cgi
+++ /dev/null
@@ -1 +0,0 @@
-../cgi-src/get-archive-list
\ No newline at end of file
diff --git a/blog/sbs_2/cgi-bin/get-post-content.cgi b/blog/sbs_2/cgi-bin/get-post-content.cgi
deleted file mode 120000
index 17ef753..0000000
--- a/blog/sbs_2/cgi-bin/get-post-content.cgi
+++ /dev/null
@@ -1 +0,0 @@
-../cgi-src/get-post-content
\ No newline at end of file
diff --git a/blog/sbs_2/cgi-src/cgiutils.hpp b/blog/sbs_2/cgi-src/cgiutils.hpp
deleted file mode 100644
index 3eca4dc..0000000
--- a/blog/sbs_2/cgi-src/cgiutils.hpp
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright 2017 Chris Xiong
- * 
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef CGILIB_HPP
-#define CGILIB_HPP
-#include <cstdlib>
-#include <map>
-#include <string>
-#include <vector>
-const char* base64_table="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
-std::string base64_encode(std::string s)
-{
-	std::string r="";
-	for(unsigned i=0;i<s.length();i+=3)
-	{
-		int b=(s[i]&0xFC)>>2;
-		r+=base64_table[b];
-		b=(s[i]&0x03)<<4;
-		if(i+1<s.length())
-		{
-			b|=(s[i+1]&0xF0)>>4;
-			r+=base64_table[b];
-			b=(s[i+1]&0x0F)<<2;
-			if(i+2<s.length())
-			{
-				b|=(s[i+2]&0xC0)>>6;
-				r+=base64_table[b];
-				b=s[i+2]&0x3F;
-				r+=base64_table[b];
-			}else r+=base64_table[b],r+='=';
-		}else r+=base64_table[b],r+="==";
-	}
-	return r;
-}
-void split(std::string s,char c,std::vector<std::string>& v)
-{
-	v.clear();
-	for(size_t anch=0;;)
-	{
-		std::string sec;
-		if(s.find(c,anch)==std::string::npos)
-		sec=s.substr(anch);
-		else sec=s.substr(anch,s.find(c,anch)-anch);
-		v.push_back(sec);
-		if(s.find(c,anch)==std::string::npos)break;
-		anch=s.find(c,anch)+1;
-	}
-}
-std::string trim(std::string s)
-{
-	int l=0;for(;isblank(s[l]);++l)
-	s=s.substr(l);
-	while(isblank(s.back()))s.pop_back();
-	return s;
-}
-class QueryStrParser
-{
-	private:
-		std::map<std::string,std::string> q;
-		void parse(std::string es)
-		{
-			for(size_t anch=0;;)
-			{
-				std::string sec;
-				if(es.find('&',anch)==std::string::npos)
-				sec=es.substr(anch);
-				else sec=es.substr(anch,es.find('&',anch)-anch);
-				if(sec.find('=')==std::string::npos)
-				q[sec.substr(0)]="";
-				else
-				q[sec.substr(0,sec.find('='))]=sec.substr(sec.find('=')+1);
-				if(es.find('&',anch)==std::string::npos)break;
-				anch=es.find('&',anch)+1;
-			}
-		}
-	public:
-		QueryStrParser()
-		{
-			char* e=getenv("QUERY_STRING");
-			if(!e)return;
-			parse(std::string(e));
-		}
-		QueryStrParser(std::string s)
-		{
-			parse(s);
-		}
-		bool exist(std::string s)
-		{
-			return q.find(s)!=q.end();
-		}
-		std::string value(std::string s)
-		{
-			if(!exist(s))return "";
-			return q.find(s)->second;
-		}
-};
-class RequestCookies
-{
-	private:
-		std::map<std::string,std::string> m;
-		void parse(std::string cookie)
-		{
-			std::vector<std::string> v;
-			split(cookie,';',v);
-		}
-	public:
-		RequestCookies()
-		{
-			char* e=getenv("HTTP_COOKIE");
-			if(!e)return;
-			parse(std::string(e));
-		}
-};
-class DOMAttrib
-{
-	private:
-		std::map<std::string,std::string> m;
-	public:
-		DOMAttrib(std::string s="")
-		{
-			for(size_t anch=0;;)
-			{
-				std::string sec;
-				if(s.find('"',anch)==std::string::npos)
-				sec=s.substr(anch);
-				else sec=s.substr(anch,s.find('"',s.find('"',anch)+1)-anch+1);
-				if(sec.find('=')==std::string::npos)
-				m[sec.substr(0)]="";
-				else
-				m[sec.substr(0,sec.find('='))]=sec.substr(sec.find('=')+2),
-				m[sec.substr(0,sec.find('='))].pop_back();
-				if(s.find(' ',anch+sec.length())==std::string::npos)break;
-				anch=s.find(' ',anch+sec.length())+1;
-			}
-		}
-		void setAttrib(std::string a,std::string v){m[a]=v;}
-		void eraseAttrib(std::string a){if(existAttrib(a))m.erase(m.find(a));}
-		bool existAttrib(std::string a){return m.find(a)!=m.end();}
-		std::string getAttrib(std::string a){if(!existAttrib(a))return "";return m[a];}
-		std::string to_string()
-		{
-			std::string r;bool cf=false;
-			for(auto i=m.begin();i!=m.end();++i)
-			{
-				if(cf)r+=' ';else cf=true;
-				r+=i->first+"=\""+i->second+"\"";
-			}
-			return r;
-		}
-};
-static const char* twoxx[]={
-	"OK",
-	"Created",
-	"Accepted",
-	"Non-Authoritative Information",
-	"No Content",
-	"Reset Content",
-	"Partial Content",
-	"Multi-Status",
-	"Already Reported"
-};
-static const char* threexx[]={
-	"Multiple Choices",
-	"Moved Permanently",
-	"Found",
-	"See Other",
-	"Not Modified",
-	"Use Proxy",
-	"???",
-	"Temporary Redirect"
-};
-static const char* fourxx[]={
-	"Bad Request",
-	"Unauthorized",
-	"Payment Required",
-	"Forbidden",
-	"Not Found",
-	"Method Not Allowed",
-	"Not Acceptable",
-	"Proxy Authentication Required",
-	"Request Timeout",
-	"Conflict",
-	"Gone",
-	"Length Required",
-	"Precondition Failed",
-	"Request Entity Too Large",
-	"Request-URI Too Long",
-	"Unsupported Media Type",
-	"Requested Range Not Satisfiable",
-	"Expectation Failed"
-};
-static const char* fivexx[]={
-	"Internal Server Error",
-	"Not Implemented",
-	"Bad Gateway",
-	"Service Unavailable",
-	"Gateway Timeout",
-	"HTTP Version Not Supported"
-};
-class HTTPHeader
-{
-private:
-	int status;
-	std::vector<std::string> hdr;
-public:
-	HTTPHeader(){status=200;}
-	void setStatusCode(int c){status=c;}
-	int statusCode(){return status;}
-	void appendHeader(std::string s){hdr.push_back(s);}
-	void print()
-	{
-		if(status>=200&&status<=208)
-		printf("Status: %d %s\r\n",status,twoxx[status-200]);
-		if(status>=300&&status<=307)
-		printf("Status: %d %s\r\n",status,threexx[status-300]);
-		if(status>=400&&status<=417)
-		printf("Status: %d %s\r\n",status,fourxx[status-400]);
-		if(status>=500&&status<=505)
-		printf("Status: %d %s\r\n",status,fivexx[status-500]);
-		for(unsigned i=0;i<hdr.size();++i)
-		printf("%s\r\n",hdr[i].c_str());
-		printf("\r\n");
-	}
-};
-#endif
diff --git a/blog/sbs_2/cgi-src/get-archive-list b/blog/sbs_2/cgi-src/get-archive-list
deleted file mode 100755
index 4285a4d..0000000
--- a/blog/sbs_2/cgi-src/get-archive-list
+++ /dev/null
diff --git a/blog/sbs_2/cgi-src/get-archive-list.cpp b/blog/sbs_2/cgi-src/get-archive-list.cpp
deleted file mode 100644
index 28f316d..0000000
--- a/blog/sbs_2/cgi-src/get-archive-list.cpp
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Copyright 2017 Chris Xiong
- * 
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/*
- * Get list of archives
- * query parameters:
- * pn=<int>: page number, defaults to 0
- * pp=<int>: number of posts per page, defaults to 20
- * pc: if exists, gets how many pages are there from the current pp value
- * f: tag filter.
- * gt: get a list of tags used by posts instead.
- * qn=<filename>: query the neibouring posts of the given post.
- * returned object:
- * A number if pc exists denoting number of pages.
- * Or the following JSON object if gf exists.
- * ["tag1","tag2",...]
- * Or the following JSON object if qn exists.
- * {
- * 	"prev": <last post>
- * 	"succ": <next post>
- * }
- * Otherwise returns archive list in JSON:
- * {
- * 	"postsPerPage": <requested pp>
- * 	"postsOnPage": <number of posts on this page>
- * 	"page": <requested pn>
- * 	"posts": [
- * 		{
- * 			"filename": ...
- * 			"title": ...
- * 			"date": ...
- * 			"tags": ...
- * 		},
- * 		...
- * 	]
- * }
- */
-#include <dirent.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <cstdio>
-#include <cstring>
-#include <algorithm>
-#include <functional>
-#include <vector>
-#include <map>
-#include <set>
-#include <string>
-#include "cgiutils.hpp"
-#define stripr(s) s[strlen(s)-1]=='\n'?s[strlen(s)-1]=0:0
-struct post
-{
-	std::string t,d,tg;
-};
-std::map<std::string,post,std::greater<std::string>> f;
-char buf[65536];
-int main(int argc,char** argv,char** envp)
-{
-	struct stat idxs,cdirs;
-	stat("/var/www/html/blog/content/pindex",&idxs);
-	stat("/var/www/html/blog/content",&cdirs);
-	if(cdirs.st_mtim.tv_sec>idxs.st_mtim.tv_sec)
-	system("/var/www/html/blog/content/util/indexer > /dev/null 2> /dev/null");
-	QueryStrParser a;
-	FILE *fidx=fopen("/var/www/html/blog/content/pindex","r");
-	while(fgets(buf,65536,fidx))
-	{
-		stripr(buf);std::vector<std::string> v;
-		split(std::string(buf),'\t',v);
-		if(v.size()==4)
-		f[v[0]]=post{v[1],v[2],v[3]};
-	}
-	fclose(fidx);
-	HTTPHeader h;
-	if(a.exist("gt"))
-	{
-		std::set<std::string> s;
-		std::vector<std::string> v;
-		for(auto i=f.begin();i!=f.end();++i)
-		{
-			split(i->second.tg,',',v);
-			for(size_t j=0;j<v.size();++j)
-			s.insert("\"#"+v[j]+"\"");
-		}
-		h.appendHeader("Content-type: text/plain; charset=utf-8");
-		h.print();
-		printf("[");
-		auto it=s.begin();
-		printf("%s",it->c_str());
-		while(++it!=s.end())printf(",%s",it->c_str());
-		printf("]");
-	}
-	else
-	{
-		if(a.exist("f"))
-		for(auto i=f.begin();i!=f.end();)
-		{
-			std::vector<std::string> v;
-			split(i->second.tg,',',v);
-			std::set<std::string> sv=std::set<std::string>(v.begin(),v.end());
-			if(sv.find(a.value("f"))==sv.end()){auto t=i++;f.erase(t);}
-			else i++;
-		}
-		if(a.exist("pc"))
-		{
-			int pp=0;
-			if(!a.exist("pp"))pp=20;
-			else{
-				try{
-					pp=std::stoi(a.value("pp"));
-				}catch(std::exception e){h.setStatusCode(400);}
-			}
-			if(!pp)h.setStatusCode(400);
-			h.appendHeader("Content-type: text/plain; charset=utf-8");
-			h.print();
-			printf("%lu\n",f.size()/pp+((f.size()%pp)?1:0));
-			return 0;
-		}
-		else if(a.exist("qn"))
-		{
-			if(f.find(a.value("qn"))==f.end())
-			h.setStatusCode(400);
-			h.print();if(h.statusCode()>=400)return 0;
-			auto i=f.find(a.value("qn"));
-			std::string pr="",sc="";
-			auto t=i;if(t!=f.begin())pr=(--t)->first;
-			t=i;if(!(++t==f.end()))sc=t->first;
-			printf("{\"prev\":\"%s\",\"succ\":\"%s\"}",sc.c_str(),pr.c_str());
-			return 0;
-		}
-		else
-		{
-			unsigned pp=20,pn=0;
-			if(!a.exist("pp"))pp=20;
-			else{
-				try{
-					pp=std::stoi(a.value("pp"));
-				}catch(std::exception e){h.setStatusCode(400);}
-			}
-			if(!a.exist("pn"))pn=0;
-			else{
-				try{
-					pn=std::stoi(a.value("pn"));
-				}catch(std::exception e){h.setStatusCode(400);}
-			}
-			if(!pp)h.setStatusCode(400);
-			if(pn>=f.size()/pp+((f.size()%pp)?1:0))h.setStatusCode(400);
-			int rpp=(pn!=f.size()/pp+((f.size()%pp)?1:0)-1)?pp:
-			f.size()-pp*(f.size()/pp+((f.size()%pp)?1:0)-1);
-			h.appendHeader("Content-type: text/plain; charset=utf-8");
-			h.print();
-			if(h.statusCode()>=400)return 0;
-			puts("{");
-			printf("\t\"postsPerPage\":%d,\n",pp);
-			printf("\t\"postsOnPage\":%d,\n",rpp);
-			printf("\t\"page\":%d,\n",pn);
-			puts("\t\"posts\": [");
-			auto it=f.begin();std::advance(it,pn*pp);
-			for(int i=0;i<rpp-1;++i)
-			{
-				puts("\t\t{");
-				printf("\t\t\t\"filename\":\"%s\",\n",it->first.c_str());
-				printf("\t\t\t\"title\":\"%s\",\n",it->second.t.c_str());
-				printf("\t\t\t\"date\":\"%s\",\n",it->second.d.c_str());
-				printf("\t\t\t\"tags\":\"%s\"\n",it->second.tg.c_str());
-				puts("\t\t},");++it;
-			}
-			puts("\t\t{");
-			printf("\t\t\t\"filename\":\"%s\",\n",it->first.c_str());
-			printf("\t\t\t\"title\":\"%s\",\n",it->second.t.c_str());
-			printf("\t\t\t\"date\":\"%s\",\n",it->second.d.c_str());
-			printf("\t\t\t\"tags\":\"%s\"\n",it->second.tg.c_str());
-			puts("\t\t}");
-			puts("\t]");
-			puts("}");
-		}
-	}
-	return 0;
-}
diff --git a/blog/sbs_2/cgi-src/get-post-content b/blog/sbs_2/cgi-src/get-post-content
deleted file mode 100755
index e6701c8..0000000
--- a/blog/sbs_2/cgi-src/get-post-content
+++ /dev/null
diff --git a/blog/sbs_2/cgi-src/get-post-content.cpp b/blog/sbs_2/cgi-src/get-post-content.cpp
deleted file mode 100644
index 62cd5d8..0000000
--- a/blog/sbs_2/cgi-src/get-post-content.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright 2017 Chris Xiong
- * 
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/*
- * Get content of a post
- * query parameters:
- * p=<string>: post file name
- * returned object:
- * HTML fragment of the post
- */
-#include <dirent.h>
-#include <cstdio>
-#include <cstring>
-#include <algorithm>
-#include <functional>
-#include <vector>
-#include <string>
-#include "cgiutils.hpp"
-#define stripr(s) s[strlen(s)-1]=='\n'?s[strlen(s)-1]=0:0
-std::vector<std::string> fn;
-char buf[262144];
-size_t sz;
-void encrypt()
-{
-	std::string b(buf,sz);
-	for(size_t p=b.find("<encrypted"),i=0;p!=std::string::npos;p=b.find("<encrypted",p),++i)
-	{
-		size_t tag_end=b.find(">",p);
-		std::string attrib=b.substr(p+11,tag_end-p-11);
-		DOMAttrib a(attrib);
-		std::string cont=b.substr(tag_end+1,b.find("</encrypted>",p)-tag_end-1);
-		unsigned hash=5381;
-		std::string key=a.getAttrib("key");
-		a.eraseAttrib("key");
-		for(size_t j=0;j<cont.length();++j)
-		{
-			hash=((hash<<5)+hash)+*reinterpret_cast<unsigned char*>(&cont[j]);
-			cont[j]^=key[j%key.length()];
-		}
-		a.setAttrib("encont",base64_encode(cont));
-		a.setAttrib("hash",std::to_string(hash));
-		a.setAttrib("id","encrypted"+std::to_string(i));
-		cont="Encrypted content here. Click <a href=\"javascript:void(0)\" onclick=\"decryptui("+std::to_string(i)+")\">here</a> to decrypt.";
-		b.replace(p,b.find("</encrypted>",p)-p,"<encrypted "+a.to_string()+">"+cont);
-		p=b.find("</encrypted>",p);
-	}
-	memcpy(buf,b.c_str(),b.length());sz=b.length();
-}
-int main(int argc,char** argv,char** envp)
-{
-	QueryStrParser a;
-	HTTPHeader h;
-	if(!a.exist("p")){h.setStatusCode(400);h.print();return 0;}
-	FILE* f=fopen(("/var/www/html/blog/content/"+a.value("p")+".txt").c_str(),"r");
-	if(!f){h.setStatusCode(400);h.print();return 0;}
-	h.appendHeader("Content-type: text/plain; charset=utf-8");
-	h.print();
-	sz=fread(buf,sizeof(char),262144,f);
-	encrypt();
-	fwrite(buf,sizeof(char),sz,stdout);
-	fclose(f);
-	return 0;
-}
diff --git a/blog/sbs_2/decryptor.js b/blog/sbs_2/decryptor.js
deleted file mode 100644
index dcd64e3..0000000
--- a/blog/sbs_2/decryptor.js
+++ /dev/null
@@ -1,73 +0,0 @@
-//License: Expat(MIT)
-//Chrisoft Xiong 2017
-// http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt
-function Utf8ArrayToStr(array){
-    var out,i,len,c;
-    var char2,char3;
-    out="";
-    len=array.length;
-    i=0;
-    while(i<len){
-		c=array[i++];
-		switch(c>>4)
-		{
-		  case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:
-			// 0xxxxxxx
-			out+=String.fromCharCode(c);
-			break;
-		  case 12:case 13:
-			// 110x xxxx   10xx xxxx
-			char2=array[i++];
-			out+=String.fromCharCode(((c&0x1F)<<6)|(char2&0x3F));
-			break;
-		  case 14:
-			// 1110 xxxx  10xx xxxx  10xx xxxx
-			char2=array[i++];
-			char3=array[i++];
-			out+=String.fromCharCode(((c&0x0F)<<12)|
-						   ((char2&0x3F)<<6)|
-						   ((char3&0x3F)<<0));
-			break;
-		}
-    }
-    return out;
-}
-var decid;
-function decryptui(id)
-{
-	document.getElementById("decryptui").style.display="block";
-	document.getElementById("keyinp").focus();
-	setTimeout(function(){document.getElementById("decryptui").style.opacity="1";},20);
-	decid=id;
-	document.getElementById("keyhint").innerHTML="Hint: "+document.getElementById("encrypted"+id).getAttribute("hint");
-	document.getElementById("keyinp").onkeypress=function(e){if(e.keyCode==13)document.getElementById('btndecrypt').click();}
-}
-function hidedecryptui()
-{
-	document.getElementById("decryptui").style.opacity="0";
-	setTimeout(function(){
-		document.getElementById("decryptui").style.display="none";
-		document.getElementById("keyinp").value="";
-	},500);
-}
-function decryptor(id,key)
-{
-	var e=document.getElementById("encrypted"+id);
-	var cont=e.getAttribute("encont");
-	var bc=atob(cont);
-	var b=new Array(bc.length);
-	for(var i=0;i<bc.length;++i)b[i]=bc.charCodeAt(i);
-	var lkey=key.length;
-	var u8arr=new Uint8Array(b);
-	var hash=5381;
-	for(var i=0;i<u8arr.length;++i){u8arr[i]^=key.charCodeAt(i%lkey);hash=(hash*33)+u8arr[i];hash%=4294967296;}
-	if(hash!=parseInt(e.getAttribute("hash")))
-	{
-		alert("The decryption key you have entered could be wrong, please try again.");
-		return;
-	}
-	//e.innerHTML=new TextDecoder("utf-8").decode(u8arr);
-	e.innerHTML=Utf8ArrayToStr(u8arr);
-	footnoter();
-	hidedecryptui();
-}
diff --git a/blog/sbs_2/footnoter.js b/blog/sbs_2/footnoter.js
deleted file mode 100644
index a1b2d8b..0000000
--- a/blog/sbs_2/footnoter.js
+++ /dev/null
@@ -1,24 +0,0 @@
-//License: MIT
-//Chrisoft Xiong 2017
-var starting=0;
-function footnoter()
-{
-	var footnotes=document.body.getElementsByTagName("footnote");
-	for(var i=0;i<footnotes.length;++i)
-	{
-		var s=footnotes[i].innerHTML;
-		footnotes[i].innerHTML="";//IE is stupid
-		var a=document.createElement("a");
-		a.setAttribute("id","n"+(starting+i+1));
-		a.setAttribute("href","#note"+(starting+i+1));
-		a.setAttribute("class","note");
-		a.innerHTML="["+(starting+i+1)+"]";
-		footnotes[i].parentNode.insertBefore(a,footnotes[i]);
-		var span=document.createElement("span");
-		span.setAttribute("class","TText");
-		span.innerHTML="<a id=\"note"+(starting+i+1)+"\" href=\"#n"+(starting+i+1)+"\">["+(starting+i+1)+"]</a>: "+s+"<br>";
-		document.getElementById("notediv").appendChild(span);
-	}
-	starting+=footnotes.length;
-	while(footnotes.length)footnotes[0].remove();
-}
diff --git a/blog/sbs_2/index.html b/blog/sbs_2/index.html
deleted file mode 100644
index d7c31c9..0000000
--- a/blog/sbs_2/index.html
+++ /dev/null
@@ -1 +0,0 @@
-<script>window.location="list/"</script> 
diff --git a/blog/sbs_2/list b/blog/sbs_2/list
deleted file mode 100644
index e1f751e..0000000
--- a/blog/sbs_2/list
+++ /dev/null
@@ -1,94 +0,0 @@
-<!DOCTYPE html>

-<html>

-<head>

-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

-<meta name="viewport" content="width=device-width,initial-scale=1">

-<title>Chrisoft::Blog</title>

-<script type="text/javascript" src="/panel.js"></script>

-<script type="text/javascript" src="/blog/bloglist.js"></script>

-<link rel="stylesheet" type="text/css" href="/common.css">

-<link rel="stylesheet" type="text/css" href="/panel.css">

-<link rel="stylesheet" type="text/css" href="/theme0a.css" id="theme0a">

-<link rel="stylesheet" type="text/css" href="/theme0b.css" id="theme0b">

-<link rel="stylesheet" type="text/css" href="/theme1a.css" id="theme1a">

-<link rel="stylesheet" type="text/css" href="/theme1b.css" id="theme1b">

-<link rel="stylesheet" type="text/css" href="/theme2a.css" id="theme2a">

-<link rel="stylesheet" type="text/css" href="/theme2b.css" id="theme2b">

-<link rel="stylesheet" type="text/css" href="/theme3a.css" id="theme3a">

-<link rel="stylesheet" type="text/css" href="/theme3b.css" id="theme3b">

-<link rel="stylesheet" type="text/css" href="/blog/blogext.css">

-<script>

-function ol()

-{

-	window.onresize=function()

-	{

-		if(window.innerWidth<768)

-		setupevents();

-		else unsetevents();

-	}

-	window.onresize();

-	blinit();

-}

-function loadTheme(){

-	var thm=document.cookie.replace(new RegExp("(?:(?:^|.*;\\s*)thm\\s*\\=\\s*([^;]*).*$)|^.*$"),"$1");

-	if(thm.length<2||'0123z'.indexOf(thm[0])==-1||'abz'.indexOf(thm[1])==-1)thm='zz';

-	var ent="";

-	var d=new Date();

-	if(thm[0]=='z')

-	{

-		var m=d.getMonth()+1;

-		if(m>=3&&m<6)thm='0'+thm[1];

-		else if(m>=6&&m<9)thm='1'+thm[1];

-		else if(m>=9&&m<12)thm='2'+thm[1];

-		else thm='3'+thm[1];

-	}

-	if(thm[1]=='z')

-	{if(d.getHours()>=18||d.getHours()<6)thm=thm[0]+'b';else thm=thm[0]+'a';}

-	ent=`theme${thm}`;

-	var R=new RegExp('theme[0-4][ab]');

-	for(var i=0;i<document.styleSheets.length;++i)

-	{

-		if(R.exec(document.styleSheets[i].ownerNode.id)!==null&&document.styleSheets[i].ownerNode.id!=ent)

-		document.styleSheets[i].disabled=true;

-		else document.styleSheets[i].disabled=false;

-	}

-}

-loadTheme();

-</script>

-</head>

-<body onload="ol()" style="overflow-x:hidden;">

-	<div id="panel" class="TText">

-		<ul id="panellist">

-			<li><a href="/"><h1>Chrisoft</h1></a></li>

-			<li><a href="/blog"><h2>Blog</h2></a></li>

-			<li><span>Tags filter</span>

-			<ul id="tagslist">

-			</ul>

-			</li>

-		</ul>

-	</div>

-	<div id="content">

-		<div class="block TText" id="ptemplate" style="position:relative;transition:500ms;">

-			<h3 style="line-height:1.5em;">Title</h3>

-			<br>

-			<div style="display:table;width:100%;table-layout:fixed;"><span class="left">tags</span>

-			<span class="right">time</span></div>

-		</div>

-		<div id="insanch" style="height:5em;"></div>

-		<div id="footer" style="">

-		<div id="pagesw" class="TText" style="display:table;width:100%;padding:1em 0;">

-			<span style="display:table-cell;"><a href="javascript:void(0);" onclick="lastpage();">&lt;&lt;</a></span>

-			<span style="text-align:center;display:table-cell;" id="curp"></span>

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-			Proudly powered by SBS <reduced style="font-size:70%;">(the stupid blogging system)</reduced> 2.1

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-			Content licensed under CC BY-SA 4.0.

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diff --git a/blog/sbs_2/post b/blog/sbs_2/post
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index 4ea512d..0000000
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-<html>

-<head>

-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

-<meta name="viewport" content="width=device-width,initial-scale=1">

-<title>Chrisoft::Blog</title>

-<script type="text/javascript" src="/panel.js"></script>

-<script type="text/javascript" src="/blog/blogpost.js"></script>

-<script type="text/javascript" src="/blog/footnoter.js"></script>

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-<link rel="stylesheet" type="text/css" href="/common.css">

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-<link rel="stylesheet" type="text/css" href="/theme3b.css" id="theme3b">

-<link rel="stylesheet" type="text/css" href="/blog/blogext.css">

-<script>

-function ol()

-{

-	window.onresize=function()

-	{

-		if(window.innerWidth<768)

-		setupevents();

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-	window.onresize();

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-	var thm=document.cookie.replace(new RegExp("(?:(?:^|.*;\\s*)thm\\s*\\=\\s*([^;]*).*$)|^.*$"),"$1");

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-</head>

-<body onload="ol()" style="overflow-x:hidden;">

-	<div id="panel" class="TText">

-		<ul id="panellist">

-			<li><a href="/"><h1>Chrisoft</h1></a></li>

-			<li><a href="/blog"><h2>Blog</h2></a></li>

-			<li><a href="#"><h3 id="title"></h3></a></li>

-			<li><span>Tags</span>

-			<ul id="tagslist">

-			</ul>

-			</li>

-			<li id="tocouter">

-				<span>Table of Contents</span>

-				<ul id="tocroot">

-				</ul>

-			</li>

-			<li style="margin-left:-0.5em"><a href="javascript:void(0);" onclick="prevpost();">Prev post</a></li>

-			<li style="margin-left:-0.5em"><a href="javascript:void(0);" onclick="succpost();">Next post</a></li>

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-	<div id="content">

-		<h2 id="titleh" class="TText" style="font-wight:normal;"></h2>

-		<div id="datetags" class="TText" style="margin-bottom:1em;"></div>

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-		<div id="pagesw" class="TText" style="width:100%;height:0.5em;"></div>

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-				<br>

-				Content licensed under CC BY-SA 4.0.

-			</div>

-		</div>

-		<div id="cmdbuf" class="TText" style="transition:500ms;padding:1em;font-size:2em;color:white;position:absolute;background-color:rgba(0,0,0,0.6);left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;opacity:0;">

-		</div>

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-	<div id="decryptui" style="display:none;opacity:0;color:white;z-index:10;position:fixed;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.4);transition:opacity 0.5s;">

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-</body>

-</html>