mirror of
https://github.com/KOP-XIAO/QuantumultX.git
synced 2026-01-25 21:25:09 +00:00
使用新的 base64 解析，同时增加 b64 参数
This commit is contained in:
Shawn
@@ -1,5 +1,5 @@
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/**
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# Quantumult X 资源解析器 (2020-05-24: 12:59 )
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# Quantumult X 资源解析器 (2020-05-24: 13:59 )
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本资源解析器作者: Shawn(请勿私聊问怎么用)，有bug请反馈: @Shawn_KOP_bot
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更新请关注tg频道: https://t.me/QuanX_API
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@@ -20,7 +20,8 @@
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- cert=0，跳过证书验证(vmess/trojan)，即强制"tls-verification=false";
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- tls13=1, 开启 "tls13=true"(vmess/trojan), 请自行确认服务端是否支持;
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- sort=1 或 sort=-1, 排序参数，分别根据节点名 正序/逆序 排列;
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- info=1, 开启通知提示流量信息(前提：原订阅链接有返回该信息)，默认关闭
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- info=1, 开启通知提示流量信息(前提：原订阅链接有返回该信息)，默认关闭;
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- b64=1, 由于QuanX的特性，整体base64-encode 后导入时，Quanx 才会自动解码检查并忽视错误节点(所以可在解析提示"内容无效/invalid..."时，尝试使用此参数)
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2⃣️ "rewrite(重写)/filter(分流)" 引用--参数说明:
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- 参数为 "out=xxx", 多个参数用 "+" 连接;
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@@ -64,7 +65,9 @@ var Pcert0=mark0 && para.indexOf("cert=")!=-1? para.split("#")[1].split("cert=")
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var Psort0=mark0 && para.indexOf("sort=")!=-1? para.split("#")[1].split("sort=")[1].split("&")[0].split("+"):0;
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var PTls13=mark0 && para.indexOf("tls13=")!=-1? para.split("#")[1].split("tls13=")[1].split("&")[0].split("+"):0;
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var Pntf0= mark0 && para.indexOf("ntf=")!=-1? para.split("#")[1].split("ntf=")[1].split("&")[0].split("+"):0;
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var Pb64= mark0 && para.indexOf("b64=")!=-1? para.split("#")[1].split("b64=")[1].split("&")[0].split("+"):0;
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//$notify(type0,"tt",content0)
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const Base64=new Base64Code();
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//响应头流量处理部分
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var subinfo=$resource.info;
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@@ -150,10 +153,11 @@ if(flag==3){
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};
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//$notify("Final","List",total)
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total=total.join("\n");
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if(flag==1 && Pb64==1){
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total=Base64.encode(total)}
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$done({content : total});
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}
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//判断订阅类型
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function Type_Check(subs){
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var type="unknown"
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@@ -219,7 +223,7 @@ function Rewrite_Filter(subs,Pout){
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hname="hostname="+nname.join(", ");
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//console.log(hname)
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nlist.push(hname)
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if(dname.length>0){$notify("🤖 您添加的[rewrite]过滤关键词为："+Pout0.join(", "),"☠️ 主机名 hostname 中已为您删除以下"+dname.length+"个匹配项",dname.join(",") )}
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if(dname.length>0){$notify("🤖 您添加的 [rewrite] 过滤关键词为:","🚫 "+Pout0.join(", "),"☠️ 主机名 hostname 中已为您删除以下"+dname.length+"个匹配项:"+"\n"+dname.join(",") )}
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} // if cc -hostname
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else{
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drewrite.push(cc);
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@@ -230,7 +234,7 @@ function Rewrite_Filter(subs,Pout){
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} //else
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}
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}//cnt for
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if(drewrite.length>0){$notify("🤖 您添加的[rewrite]过滤关键词为："+Pout0.join(", "),"☠️ 复写 rewrite 中已为您禁用以下"+drewrite.length+"个匹配项",drewrite.join("\n") )};
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if(drewrite.length>0){$notify("🤖 您添加的 [rewrite] 过滤关键词为:","🚫 "+Pout0.join(", "),"☠️ 复写 rewrite 中已为您禁用以下"+drewrite.length+"个匹配项:"+"\n"+drewrite.join("\n") )};
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return nlist
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}else { // Pout if
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//$notify("no filter at all")
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@@ -258,8 +262,8 @@ function Rule_Handle(subs,Pout){
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}
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}//for cnt
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var no=dlist.length
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if(dlist.length>0){$notify("🤖 您添加的分流 [filter] 过滤关键词为："+out,"☠️ 已为您删除以下 "+no+"条匹配规则", dlist.join("\n"))
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}else{$notify("🤖 您添加的[filter]过滤关键词为："+out,"☠️ 没有发现任何匹配项",dlist)}
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if(dlist.length>0){$notify("🤖 您添加的分流 [filter] 过滤关键词为:","🚫 "+out,"☠️ 已为您删除以下 "+no+"条匹配规则:"+"\n"+dlist.join("\n"))
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}else{$notify("🤖 您添加的[filter]过滤关键词为：","🚫 "+out,"☠️ 没有发现任何匹配项")}
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return nlist
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} else{return cnt.map(Rule_Policy)}//if Pout
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}
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@@ -296,8 +300,8 @@ function Rule_Policy(content){ //增加、替换 policy
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//混合订阅类型，用于整体进行了 base64 encode 后的类型
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function SubsEd2QX(subs,Pudp,Ptfo,Pcert,Ptls13){
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const $base64 = new Base64()
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var list0=$base64.decode(subs).split("\n");
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var list0=Base64.decode(subs).split("\n");
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//$notify("After B64","lists",list0)
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var QuanXK=["shadowsocks=","trojan=","vmess=","http="];
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var SurgeK=["=ss","=vmess","=trojan","=http","=custom"];
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var QXlist=[];
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@@ -331,7 +335,6 @@ function SubsEd2QX(subs,Pudp,Ptfo,Pcert,Ptls13){
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//混合订阅类型，用于未整体进行 base64 encode 的类型
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function Subs2QX(subs,Pudp,Ptfo,Pcert,Ptls13){
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//const $base64 = new Base64()
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var list0=subs.split("\n");
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var QuanXK=["shadowsocks=","trojan=","vmess=","http="];
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var SurgeK=["=ss","=vmess","=trojan","=http"];
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@@ -377,12 +380,17 @@ function TagCheck_QX(content){
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$notify("⚠️ 订阅内出现空节点名:", "✅ 已自动将节点“类型+IP”作为节点名","✅ "+nm)
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item=item.split("tag")[0]+"tag="+nm
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}
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var ni=0
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while(nmlist.indexOf(nm)!=-1){
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$notify("⚠️ 订阅内出现重复节点名:", "⚠️ "+ nm, "✅ 已自动添加“”符号作为区分:"+nm+"")
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nm=nm+""
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ni=ni+1
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nm=nm.split("")[0]+"^"+ni
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item=item.split("tag")[0]+"tag="+nm
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}
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if(ni!=0){
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$notify("⚠️ 订阅内出现重复节点名:", "⚠️ "+ nm.split("")[0], "✅ 已自动添加“”符号作为区分:"+nm)
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}
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nmlist.push(nm)
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ni=0
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Nlist.push(item)
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}
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@@ -392,10 +400,9 @@ function TagCheck_QX(content){
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//V2RayN uri转换成 QUANX 格式
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function V2QX(subs,Pudp,Ptfo,Pcert,Ptls13){
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const $base64 = new Base64()
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var cert=Pcert
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var tls13=Ptls13
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var server=String($base64.decode(subs.replace("vmess://","")).trim()).split("\u0000")[0];
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var server=String(Base64.decode(subs.replace("vmess://","")).trim()).split("\u0000")[0];
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var nss=[];
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if(server!=""){
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ss=JSON.parse(server);
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@@ -497,26 +504,25 @@ function filter(servers,Pin,Pout){
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//SSR 类型 URI 转换 quanx 格式
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function SSR2QX(subs,Pudp,Ptfo){
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const $base64 = new Base64()
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var nssr=[]
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var cnt=$base64.decode(subs.split("ssr://")[1].replace(/-/g,"+").replace(/_/g,"/")).split("\u0000")[0]
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var cnt=Base64.decode(subs.split("ssr://")[1].replace(/-/g,"+").replace(/_/g,"/")).split("\u0000")[0]
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var obfshost = '';
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var oparam = '';
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if(cnt.split(":").length<=6) { //排除难搞的 ipv6 节点
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type="shadowsocks=";
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ip=cnt.split(":")[0]+":"+cnt.split(":")[1];
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pwd="password="+$base64.decode(cnt.split("/?")[0].split(":")[5].replace(/-/g,"+").replace(/_/g,"/")).split("\u0000")[0];
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pwd="password="+Base64.decode(cnt.split("/?")[0].split(":")[5].replace(/-/g,"+").replace(/_/g,"/")).split("\u0000")[0];
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mtd="method="+cnt.split(":")[3];
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obfs="obfs="+cnt.split(":")[4]+", ";
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ssrp="ssr-protocol="+cnt.split(":")[2];
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if(cnt.indexOf("obfsparam=")!=-1){
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obfshost=cnt.split("obfsparam=")[1].split("&")[0]!=""? "obfs-host="+$base64.decode(cnt.split("obfsparam=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/")).split(",")[0].split("\u0000")[0]+", ":""
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obfshost=cnt.split("obfsparam=")[1].split("&")[0]!=""? "obfs-host="+Base64.decode(cnt.split("obfsparam=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/")).split(",")[0].split("\u0000")[0]+", ":""
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}
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if(cnt.indexOf("protoparam=")!=-1){
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oparam=cnt.split("protoparam=")[1].split("&")[0]!=""? "ssr-protocol-param="+$base64.decode(cnt.split("protoparam=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/")).split(",")[0].split("\u0000")[0]+", ":""
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oparam=cnt.split("protoparam=")[1].split("&")[0]!=""? "ssr-protocol-param="+Base64.decode(cnt.split("protoparam=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/")).split(",")[0].split("\u0000")[0]+", ":""
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}
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tag="tag="+($base64.decode(cnt.split("remarks=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/"))).split("\u0000")[0]
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//console.log($base64.decode(cnt.split("remarks=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/")))
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tag="tag="+(Base64.decode(cnt.split("remarks=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/"))).split("\u0000")[0]
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//console.log(Base64.decode(cnt.split("remarks=")[1].split("&")[0].replace(/-/g,"+").replace(/_/g,"/")))
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pudp= Pudp==1? "udp-relay=true":"udp-relay=false";
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ptfo= Ptfo==1? "fast-open=true":"fast-open=false";
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nssr.push(type+ip,pwd,mtd,obfs+obfshost+oparam+ssrp,pudp,ptfo,tag)
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@@ -550,16 +556,16 @@ function TJ2QX(subs,Pudp,Ptfo,Pcert,Ptls13){
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//SS 类型 URI 转换 quanx 格式
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function SS2QX(subs,Pudp,Ptfo){
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const $base64 = new Base64()
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var nssr=[]
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var cnt=subs.split("ss://")[1]
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//$notify("SS转换 ing","SS",cnt)
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if(cnt.split(":").length<=6) { //排除难搞的 ipv6 节点
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type="shadowsocks=";
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if(cnt.indexOf("@")!=-1){
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ip=cnt.split("@")[1].split("#")[0].split("/")[0];
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pwdmtd=$base64.decode(cnt.split("@")[0].replace(/-/g,"+").replace(/_/g,"/")).split("\u0000")[0].split(":")
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pwdmtd=Base64.decode(cnt.split("@")[0].replace(/-/g,"+").replace(/_/g,"/")).split("\u0000")[0].split(":")
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}else{
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var cnt0=$base64.decode(cnt.split("#")[0].replace(/-/g,"+").replace(/_/g,"/").split("\u0000")[0]);
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var cnt0=Base64.decode(cnt.split("#")[0].replace(/-/g,"+").replace(/_/g,"/").split("\u0000")[0]);
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ip=cnt0.split("@")[1].split("#")[0].split("/")[0];
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pwdmtd=cnt0.split("@")[0].split(":")
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@@ -833,284 +839,152 @@ function Shttp2QX(content){
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return nserver
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}
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// Base64, adapted from internet : https://www.jianshu.com/p/54084db83d70
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function Base64(){
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// 一般的Base64编码字符
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var commonbase64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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// 对URL进行编码使用的字符
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var urlBase64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
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// Base64解码用到的映射表，兼容一般编码的Base64和针对URL进行扩展编码的Base64
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var base64DecodeChars = new Array(
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, 63, -1, -1, 63,
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52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
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-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
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15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, 62, -1,
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-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
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41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);
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/** 通用的Base64编码函数
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* str为待编码的串
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* isUrl用来表明编码的对象(str)是否是一个URL
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*/
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function base64encode(str,isUrl){
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var out, i, len;
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var c1, c2, c3;
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// 针对不同的编码方式，选择不同的字符集
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var base64EncodeChars = isUrl ? urlBase64EncodeChars : commonbase64EncodeChars;
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len = str.length;
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i = 0;
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out = "";
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while(i < len){
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c1 = str.charCodeAt(i++) & 0xff;
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// 当最后只有一个字节时
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if(i == len){
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out += base64EncodeChars.charAt(c1 >> 2);
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out += base64EncodeChars.charAt((c1 & 0x3) << 4);
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out += "==";
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break;
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}
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c2 = str.charCodeAt(i++);
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// 当最后剩余两个字节时
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if(i == len){
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out += base64EncodeChars.charAt(c1 >> 2);
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out += base64EncodeChars.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
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out += base64EncodeChars.charAt((c2 & 0xF) << 2);
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out += "=";
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break;
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}
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//当剩余字节数大于等于3时
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c3 = str.charCodeAt(i++);
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out += base64EncodeChars.charAt(c1 >> 2);
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out += base64EncodeChars.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
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out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6));
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out += base64EncodeChars.charAt(c3 & 0x3F);
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//比较完美的一款 base64 encode/decode 工具
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/*
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* base64.js: https://github.com/dankogai/js-base64#readme
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*
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* Licensed under the BSD 3-Clause License.
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* http://opensource.org/licenses/BSD-3-Clause
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*
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* References:
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* http://en.wikipedia.org/wiki/Base64
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*/
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//base64 完毕
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function Base64Code(){
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// constants
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var b64chars
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= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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var b64tab = function(bin) {
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var t = {};
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for (var i = 0, l = bin.length; i < l; i++) t[bin.charAt(i)] = i;
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return t;
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}(b64chars);
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var fromCharCode = String.fromCharCode;
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// encoder stuff
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var cb_utob = function(c) {
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if (c.length < 2) {
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var cc = c.charCodeAt(0);
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return cc < 0x80 ? c
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: cc < 0x800 ? (fromCharCode(0xc0 | (cc >>> 6))
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+ fromCharCode(0x80 | (cc & 0x3f)))
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: (fromCharCode(0xe0 | ((cc >>> 12) & 0x0f))
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+ fromCharCode(0x80 | ((cc >>> 6) & 0x3f))
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+ fromCharCode(0x80 | ( cc & 0x3f)));
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} else {
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var cc = 0x10000
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+ (c.charCodeAt(0) - 0xD800) * 0x400
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+ (c.charCodeAt(1) - 0xDC00);
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return (fromCharCode(0xf0 | ((cc >>> 18) & 0x07))
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+ fromCharCode(0x80 | ((cc >>> 12) & 0x3f))
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+ fromCharCode(0x80 | ((cc >>> 6) & 0x3f))
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+ fromCharCode(0x80 | ( cc & 0x3f)));
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}
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return out;
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}
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/**
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* Base64解码函数
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* @param str
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* @returns {*}
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*/
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function base64decode(str){
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var c1, c2, c3, c4;
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var i, len, out;
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len = str.length;
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i = 0;
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out = "";
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while(i < len){
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/* 得到第一个字符 c1
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* 并过虑掉前后所有与Base64编码无关的字符
|
||||
* */
|
||||
do{
|
||||
c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
|
||||
}while(i < len && c1 == -1);
|
||||
|
||||
// 如果已经到达字符串结尾，并最后还未得到有效的Base64编码字符就结尾循环
|
||||
if(c1 == -1)
|
||||
break;
|
||||
|
||||
/* 得到字符 c2
|
||||
* 并过滤掉所有与Base64编码无关的字符
|
||||
*/
|
||||
do{
|
||||
c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
|
||||
}while(i < len && c2 == -1);
|
||||
|
||||
// 如果已经到达字符串结尾，并最后还未得到有效的Base64编码字符就结尾循环
|
||||
if(c2 == -1)
|
||||
break;
|
||||
|
||||
// 根据Base64编码的 c1 和 c2 解码得到一个编码前的字符
|
||||
out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));
|
||||
|
||||
/* 得到字符 c3
|
||||
* 并过滤掉所有与Base64编码无关的字符
|
||||
* 如果获取的 c3 是 '=' 字符则说明已经解码完成，返回解码得到的字符串
|
||||
*/
|
||||
do{
|
||||
c3 = str.charCodeAt(i++) & 0xff;
|
||||
if(c3 == 61)
|
||||
return out;
|
||||
c3 = base64DecodeChars[c3];
|
||||
}while(i < len && c3 == -1);
|
||||
|
||||
// 如果已经到达字符串结尾，并最后还未得到有效的Base64编码字符就结尾循环
|
||||
if(c3 == -1)
|
||||
break;
|
||||
|
||||
// 根据Base64编码的 c2 和 c3 解码得到一个编码前的字符
|
||||
out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));
|
||||
|
||||
/* 这一步就比较复杂了
|
||||
* 先是尝试获取第四个Base64 编码的字符 c4
|
||||
* 如果获取的 c4 是 '=' 字符则说明已经解码完成，返回解码得到的字符串
|
||||
* */
|
||||
do{
|
||||
c4 = str.charCodeAt(i++) & 0xff;
|
||||
if(c4 == 61)
|
||||
return out;
|
||||
c4 = base64DecodeChars[c4];
|
||||
}while(i < len && c4 == -1);
|
||||
|
||||
// 如果已经到达字符串结尾，并最后还未得到有效的Base64编码字符就结尾循环
|
||||
if(c4 == -1)
|
||||
break;
|
||||
|
||||
// 根据Base64编码的 c3 和 c4 解码得到一个编码前的字符
|
||||
out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
|
||||
};
|
||||
var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
|
||||
var utob = function(u) {
|
||||
return u.replace(re_utob, cb_utob);
|
||||
};
|
||||
var cb_encode = function(ccc) {
|
||||
var padlen = [0, 2, 1][ccc.length % 3],
|
||||
ord = ccc.charCodeAt(0) << 16
|
||||
| ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8)
|
||||
| ((ccc.length > 2 ? ccc.charCodeAt(2) : 0)),
|
||||
chars = [
|
||||
b64chars.charAt( ord >>> 18),
|
||||
b64chars.charAt((ord >>> 12) & 63),
|
||||
padlen >= 2 ? '=' : b64chars.charAt((ord >>> 6) & 63),
|
||||
padlen >= 1 ? '=' : b64chars.charAt(ord & 63)
|
||||
];
|
||||
return chars.join('');
|
||||
};
|
||||
var btoa = function(b) {
|
||||
return b.replace(/[\s\S]{1,3}/g, cb_encode);
|
||||
};
|
||||
// var _encode = function(u) {
|
||||
// var isUint8Array = Object.prototype.toString.call(u) === '[object Uint8Array]';
|
||||
// return isUint8Array ? u.toString('base64')
|
||||
// : btoa(utob(String(u)));
|
||||
// }
|
||||
this.encode=function(u){
|
||||
var isUint8Array = Object.prototype.toString.call(u) === '[object Uint8Array]';
|
||||
return isUint8Array ? u.toString('base64')
|
||||
: btoa(utob(String(u)));
|
||||
}
|
||||
return out;
|
||||
}
|
||||
|
||||
/**
|
||||
* 把 unicode 码转换成 utf8 编码
|
||||
* @param str
|
||||
* @returns {string}
|
||||
*/
|
||||
function unicodeToUtf8(str){
|
||||
var out, i, len, c;
|
||||
|
||||
out = "";
|
||||
len = str.length;
|
||||
for(i = 0; i < len; i++){
|
||||
c = str.charCodeAt(i);
|
||||
|
||||
// 兼容 ASCII
|
||||
if((c >= 0x0001) && (c <= 0x007F)){
|
||||
out += str.charAt(i);
|
||||
}else if(c > 0x07FF){
|
||||
// 占三个字节的 utf8
|
||||
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
|
||||
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
|
||||
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
|
||||
}else{
|
||||
// 占两个字节的 utf8
|
||||
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
|
||||
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
|
||||
}
|
||||
var uriencode = function(u, urisafe) {
|
||||
return !urisafe
|
||||
? _encode(u)
|
||||
: _encode(String(u)).replace(/[+\/]/g, function(m0) {
|
||||
return m0 == '+' ? '-' : '_';
|
||||
}).replace(/=/g, '');
|
||||
};
|
||||
var encodeURI = function(u) { return uriencode(u, true) };
|
||||
// decoder stuff
|
||||
var re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
|
||||
var cb_btou = function(cccc) {
|
||||
switch(cccc.length) {
|
||||
case 4:
|
||||
var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
|
||||
| ((0x3f & cccc.charCodeAt(1)) << 12)
|
||||
| ((0x3f & cccc.charCodeAt(2)) << 6)
|
||||
| (0x3f & cccc.charCodeAt(3)),
|
||||
offset = cp - 0x10000;
|
||||
return (fromCharCode((offset >>> 10) + 0xD800)
|
||||
+ fromCharCode((offset & 0x3FF) + 0xDC00));
|
||||
case 3:
|
||||
return fromCharCode(
|
||||
((0x0f & cccc.charCodeAt(0)) << 12)
|
||||
| ((0x3f & cccc.charCodeAt(1)) << 6)
|
||||
| (0x3f & cccc.charCodeAt(2))
|
||||
);
|
||||
default:
|
||||
return fromCharCode(
|
||||
((0x1f & cccc.charCodeAt(0)) << 6)
|
||||
| (0x3f & cccc.charCodeAt(1))
|
||||
);
|
||||
}
|
||||
return out;
|
||||
};
|
||||
var btou = function(b) {
|
||||
return b.replace(re_btou, cb_btou);
|
||||
};
|
||||
var cb_decode = function(cccc) {
|
||||
var len = cccc.length,
|
||||
padlen = len % 4,
|
||||
n = (len > 0 ? b64tab[cccc.charAt(0)] << 18 : 0)
|
||||
| (len > 1 ? b64tab[cccc.charAt(1)] << 12 : 0)
|
||||
| (len > 2 ? b64tab[cccc.charAt(2)] << 6 : 0)
|
||||
| (len > 3 ? b64tab[cccc.charAt(3)] : 0),
|
||||
chars = [
|
||||
fromCharCode( n >>> 16),
|
||||
fromCharCode((n >>> 8) & 0xff),
|
||||
fromCharCode( n & 0xff)
|
||||
];
|
||||
chars.length -= [0, 0, 2, 1][padlen];
|
||||
return chars.join('');
|
||||
};
|
||||
var _atob = function(a){
|
||||
return a.replace(/\S{1,4}/g, cb_decode);
|
||||
};
|
||||
var atob = function(a) {
|
||||
return _atob(String(a).replace(/[^A-Za-z0-9\+\/]/g, ''));
|
||||
};
|
||||
// var _decode = buffer ?
|
||||
// buffer.from && Uint8Array && buffer.from !== Uint8Array.from
|
||||
// ? function(a) {
|
||||
// return (a.constructor === buffer.constructor
|
||||
// ? a : buffer.from(a, 'base64')).toString();
|
||||
// }
|
||||
// : function(a) {
|
||||
// return (a.constructor === buffer.constructor
|
||||
// ? a : new buffer(a, 'base64')).toString();
|
||||
// }
|
||||
// : function(a) { return btou(_atob(a)) };
|
||||
var _decode=function(u){
|
||||
return btou(_atob(u))
|
||||
}
|
||||
|
||||
/**
|
||||
* 把 utf8 编码转换成 unicode 码
|
||||
* @param str
|
||||
* @returns {string}
|
||||
*/
|
||||
function utf8ToUnicode(str){
|
||||
var out, i, len, c;
|
||||
var char2, char3;
|
||||
|
||||
out = "";
|
||||
len = str.length;
|
||||
i = 0;
|
||||
while(i < len){
|
||||
c = str.charCodeAt(i++);
|
||||
switch(c >> 4){
|
||||
case 0:
|
||||
case 1:
|
||||
case 2:
|
||||
case 3:
|
||||
case 4:
|
||||
case 5:
|
||||
case 6:
|
||||
case 7:
|
||||
// 0xxxxxxx ASCII 编码
|
||||
out += str.charAt(i - 1);
|
||||
break;
|
||||
case 12:
|
||||
case 13:
|
||||
// 110x xxxx 10xx xxxx
|
||||
// 占两个字节的 utf8
|
||||
char2 = str.charCodeAt(i++);
|
||||
out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
|
||||
break;
|
||||
case 14:
|
||||
// 1110 xxxx 10xx xxxx 10xx xxxx
|
||||
// 占三个字节的 utf8
|
||||
char2 = str.charCodeAt(i++);
|
||||
char3 = str.charCodeAt(i++);
|
||||
out += String.fromCharCode(((c & 0x0F) << 12) |
|
||||
((char2 & 0x3F) << 6) |
|
||||
((char3 & 0x3F) << 0));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return out;
|
||||
}
|
||||
|
||||
/**
|
||||
* 转成 十六 进制编码
|
||||
* @param str
|
||||
* @returns {string}
|
||||
* @constructor
|
||||
*/
|
||||
function CharToHex(str){
|
||||
var out, i, len, c, h;
|
||||
out = "";
|
||||
len = str.length;
|
||||
i = 0;
|
||||
while(i < len){
|
||||
c = str.charCodeAt(i++);
|
||||
|
||||
// 把数据转换成十六进制的字符串
|
||||
h = c.toString(16);
|
||||
if(h.length < 2)
|
||||
h = "0" + h;
|
||||
|
||||
out += "\\x" + h + " ";
|
||||
if(i > 0 && i % 8 == 0)
|
||||
out += "\r\n";
|
||||
}
|
||||
|
||||
return out;
|
||||
}
|
||||
|
||||
this.encode=function(str){
|
||||
// 普通 Base64 编码
|
||||
return base64encode(unicodeToUtf8(str));
|
||||
};
|
||||
this.decode=function(str){
|
||||
// 普通 Base64 编码
|
||||
return utf8ToUnicode(base64decode(str));
|
||||
};
|
||||
// base64={
|
||||
// encode:function(str){
|
||||
// // 普通 Base64 编码
|
||||
// return base64encode(unicodeToUtf8(str));
|
||||
// },
|
||||
// encodeUrl:function(str){
|
||||
// // 使用 Base64 编码字符串
|
||||
// return base64encode(unicodeToUtf8(str),1)
|
||||
// },
|
||||
// decode:function(str){
|
||||
// // 兼容的 Base64 解码
|
||||
// return utf8ToUnicode(base64decode(str));
|
||||
// },
|
||||
// encodeToHex:function(str){
|
||||
// // 普通 Base64 编码 以十六进制显示
|
||||
// return CharToHex(base64encode(unicodeToUtf8(str)));
|
||||
// },
|
||||
// encodeUrlToHex:function(str){
|
||||
// // 使用 Base64 编码 url 以十六进制显示
|
||||
// return CharToHex(base64encode(unicodeToUtf8(str),1));
|
||||
// }
|
||||
// }
|
||||
};
|
||||
this.decode = function(a){
|
||||
return _decode(
|
||||
String(a).replace(/[-_]/g, function(m0) { return m0 == '-' ? '+' : '/' })
|
||||
.replace(/[^A-Za-z0-9\+\/]/g, '')
|
||||
);
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user