Remove NodeJS variant

.gitignore

@@ -0,0 +1,2 @@
+config.json
+out/

gen.go

@@ -0,0 +1,292 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"image/png"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/qr"
+	"github.com/urfave/cli/v2"
+)
+
+func generateKeys() (string, string) {
+	cmd := exec.Command("wg", "genkey")
+	var out1 bytes.Buffer
+	cmd.Stdout = &out1
+	cmd.Run()
+
+	private := strings.ReplaceAll(out1.String(), "\n", "")
+
+	cmd2 := exec.Command("wg", "pubkey")
+	cmd2.Stdin = strings.NewReader(private)
+
+	var out2 bytes.Buffer
+	cmd2.Stdout = &out2
+
+	cmd2.Run()
+	public := strings.ReplaceAll(out2.String(), "\n", "")
+
+	return private, public
+}
+
+func generateConfigs(storage *Storage) {
+	os.MkdirAll("out/server", 0755)
+	os.MkdirAll("out/clients", 0755)
+
+	serverConfig := ""
+	serverConfig += "[Interface]\n"
+	serverConfig += fmt.Sprintf("ListenPort = %d\n", storage.Port)
+	serverConfig += fmt.Sprintf("Address = %s1/32,%s1/128\n", storage.Subnet, storage.Subnet6)
+	serverConfig += fmt.Sprintf("PrivateKey = %s\n", storage.Server.Private)
+
+	if len(storage.Server.IPTablesUp) > 0 {
+		serverConfig += fmt.Sprintf("PostUp = %s\n", strings.Join(storage.Server.IPTablesUp, "; "))
+	}
+
+	if len(storage.Server.IPTablesDown) > 0 {
+		serverConfig += fmt.Sprintf("PostDown = %s\n", strings.Join(storage.Server.IPTablesDown, "; "))
+	}
+
+	serverConfig += "# ---------------------------\n\n"
+
+	for name, peer := range storage.Clients {
+		serverConfig += fmt.Sprintf("[Peer] # %s\n", name)
+		serverConfig += fmt.Sprintf("PublicKey = %s\n", peer.Public)
+		serverConfig += fmt.Sprintf("AllowedIPs = %s%d/32,%s%d/128\n", storage.Subnet, peer.IP, storage.Subnet6, peer.IP)
+
+		// serverConfig += fmt.Sprintf("Endpoint = %s:%d\n", storage.Server.EndPoint, storage.Port)
+		serverConfig += "\n"
+	}
+
+	os.WriteFile("out/server/server.conf", []byte(serverConfig), 0644)
+
+	for name, peer := range storage.Clients {
+		peerConfig := "[Interface]\n"
+		peerConfig += fmt.Sprintf("Address = %s%d/32,%s%d/128\n", storage.Subnet, peer.IP, storage.Subnet6, peer.IP)
+		peerConfig += fmt.Sprintf("PrivateKey = %s\n", peer.Private)
+		peerConfig += fmt.Sprintf("DNS = 1.1.1.1\n")
+		peerConfig += "\n"
+		peerConfig += fmt.Sprintf("[Peer] # Server\n")
+		peerConfig += fmt.Sprintf("PublicKey = %s\n", storage.Server.Public)
+		if !peer.OnlySubnet {
+			peerConfig += fmt.Sprintf("AllowedIPs = 0.0.0.0/0, ::0/0\n")
+		} else {
+			peerConfig += fmt.Sprintf("AllowedIPs = %s0/24, %s0/68\n", storage.Subnet, storage.Subnet6)
+		}
+		peerConfig += fmt.Sprintf("Endpoint = %s:%d\n", storage.Server.EndPoint, storage.Port)
+
+		os.WriteFile(fmt.Sprintf("out/clients/%s.conf", name), []byte(peerConfig), 0644)
+		qrCode, _ := qr.Encode(peerConfig, qr.L, qr.Auto)
+		qrCode, _ = barcode.Scale(qrCode, 512, 512)
+
+		file, err := os.Create(fmt.Sprintf("out/clients/%s.png", name))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		defer file.Close()
+
+		png.Encode(file, qrCode)
+
+		file.Sync()
+	}
+}
+
+func initConfig(storage *Storage) {
+	var text string
+
+	scanner := bufio.NewScanner(os.Stdin)
+	fmt.Printf("Enter IPv4 subnet (%s): ", storage.Subnet)
+	scanner.Scan()
+	text = scanner.Text()
+	if len(text) > 0 {
+		storage.Subnet = text
+	}
+
+	fmt.Printf("Enter IPv6 subnet (%s): ", storage.Subnet6)
+	scanner.Scan()
+	text = scanner.Text()
+	if len(text) > 0 {
+		storage.Subnet6 = text
+	}
+
+	fmt.Printf("Enter Server Endpoint (%s): ", storage.Server.EndPoint)
+	scanner.Scan()
+	text = scanner.Text()
+	if len(text) > 0 {
+		storage.Server.EndPoint = text
+	}
+
+	fmt.Printf("Enter Port (%d): ", storage.Port)
+	scanner.Scan()
+	text = scanner.Text()
+	if len(text) > 0 {
+		u, err := strconv.ParseUint(text, 10, 32)
+		if err != nil {
+			log.Fatal(err)
+		}
+		storage.Port = uint32(u)
+	}
+}
+
+func main() {
+	if !fileExists("config.json") {
+		err := ioutil.WriteFile("config.json", []byte("{}"), os.FileMode(0750))
+		if err != nil {
+			fmt.Print(err)
+			os.Exit(1)
+		}
+	}
+
+	data, err := ioutil.ReadFile("config.json")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	storage := new(Storage)
+
+	err = json.Unmarshal(data, &storage)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if storage.Server.Private == "" || storage.Server.Public == "" {
+		pr, pu := generateKeys()
+		storage.Server.Private = pr
+		storage.Server.Public = pu
+	}
+
+	for storage.Subnet == "" || storage.Subnet6 == "" || storage.Server.EndPoint == "" {
+		initConfig(storage)
+	}
+
+	if storage.Clients == nil {
+		storage.Clients = map[string]Client{}
+	}
+
+	if storage.Server.IPTablesUp == nil {
+		storage.Server.IPTablesUp = []string{}
+	}
+
+	if storage.Server.IPTablesDown == nil {
+		storage.Server.IPTablesDown = []string{}
+	}
+
+	// fmt.Printf("%+v\n", storage)
+
+	app := &cli.App{
+		Name:    "wgconf",
+		Usage:   "make an explosive entrance",
+		Version: "0.0.1",
+		Commands: []*cli.Command{
+			{
+				Name:    "generate",
+				Aliases: []string{"g"},
+				Usage:   "Generate the wireguard configs",
+				Action: func(c *cli.Context) error {
+					generateConfigs(storage)
+					return nil
+				},
+			}, {
+				Name:    "add",
+				Aliases: []string{"a"},
+				Usage:   "Add device",
+				Flags: []cli.Flag{
+					&cli.BoolFlag{
+						Name:    "onlysubnet",
+						Aliases: []string{"s"},
+						Usage:   "Only VPN subnet, not whole traffic",
+						Value:   false,
+					},
+				},
+				Action: func(c *cli.Context) error {
+					name := c.Args().First()
+					if len(name) <= 0 {
+						log.Fatalln("Name not set!")
+					}
+
+					freeIP := 1
+
+					for _, peer := range storage.Clients {
+						if peer.IP >= freeIP {
+							freeIP = peer.IP + 1
+						}
+					}
+
+					private, public := generateKeys()
+
+					storage.Clients[name] = Client{
+						OnlySubnet: c.Bool("onlysubnet"),
+						Private:    private,
+						Public:     public,
+						IP:         freeIP,
+					}
+
+					return nil
+				},
+			},
+		},
+		Action: func(c *cli.Context) error {
+			fmt.Println("boom! I say!")
+			return nil
+		},
+	}
+
+	err = app.Run(os.Args)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	data, err = json.MarshalIndent(storage, "", "   ")
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = os.WriteFile("config.json", data, 0644)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func fileExists(filename string) bool {
+	info, err := os.Stat(filename)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}
+
+type Client struct {
+	IP         int    `json:"ip"`
+	Private    string `json:"private"`
+	Public     string `json:"public"`
+	OnlySubnet bool   `json:"onlysubnet"`
+}
+
+type Server struct {
+	EndPoint     string   `json:"endpoint"`
+	Private      string   `json:"private"`
+	Public       string   `json:"public"`
+	IPTablesUp   []string `json:"iptables-up"`
+	IPTablesDown []string `json:"iptables-down"`
+}
+
+type Storage struct {
+	Subnet  string            `json:"subnet"`
+	Port    uint32            `json:"port"`
+	Server  Server            `json:"server"`
+	Clients map[string]Client `json:"clients"`
+	Subnet6 string            `json:"subnet6"`
+}

gen.js

@@ -1,190 +0,0 @@
-#!node
-const fs = require("fs");
-const p = require("path");
-const qrimage = require("./qr/qr");
-const crypto = require("crypto");
-
-
-const deleteRec = (path) => {
-   path = p.resolve(path);
-   if (fs.existsSync(path)) {
-      if (fs.statSync(path).isDirectory()) {
-         fs.readdirSync(path).forEach(entry => deleteRec(p.join(path, entry)));
-         fs.rmdirSync(path);
-      } else {
-         fs.unlinkSync(path);
-      }
-   }
-}
-
-const config = fs.existsSync("config.json") ? JSON.parse(fs.readFileSync("config.json").toString()) : {};
-
-const child = require("child_process");
-const getPrivate = () => {
-   return child.execSync("wg genkey").toString().replace("\n", "").replace("\r", "").trim();
-}
-
-const getPublic = (private) => {
-   return child.execSync(`echo ${private} | wg pubkey`).toString().replace("\n", "").replace("\r", "").trim();
-}
-
-const keyPair = () => {
-   const private = getPrivate();
-   const public = getPublic(private);
-   return { private, public };
-}
-
-const clientArray = (clients) => Object.keys(clients).map(key => ({ ...clients[key], name: key }))
-
-const ipTablesPostUP = [
-   "iptables -A FORWARD -i %i -j ACCEPT",
-   "iptables -A FORWARD -o %i -j ACCEPT",
-   "iptables -t nat -A POSTROUTING -o %i -j MASQUERADE",
-   "iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE",
-   "iptables -t nat -A POSTROUTING -o wg0 -j MASQUERADE"
-].join("; ");
-
-const ipTablesPostDOWN = [
-   "iptables -D FORWARD -i %i -j ACCEPT",
-   "iptables -D FORWARD -o %i -j ACCEPT",
-   "iptables -t nat -D POSTROUTING -o %i -j MASQUERADE",
-   "iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE",
-   "iptables -t nat -D POSTROUTING -o wg0 -j MASQUERADE"
-].join("; ");
-
-function makeServer({ port, subnet, subnet6, server, clients }) {
-   const base = `[Interface] #Server
-ListenPort = ${port}
-Address = ${subnet}1/32,${subnet6}1/48
-PrivateKey = ${server.private}
-PostUp = ${ipTablesPostUP} 
-PostDown = ${ipTablesPostDOWN}
-# ---------------------------
-
-`
-
-   let peers = clientArray(clients).map(client => {
-      return `[Peer] #${client.name}
-PublicKey = ${client.public}
-AllowedIPs = ${subnet}${client.ip}/32,${subnet6}${client.ip}/128
-` + (client.endpoint ? "\nEndpoint = " + client.endpoint + ":" + port : "");
-   }).join("\n\n");
-
-   fs.writeFileSync("out/server/server.conf", base + peers);
-   fs.writeFileSync("out/server/server.public", server.public);
-}
-
-function makeClients({ port, subnet, subnet6, server, clients }) {
-   clientArray(clients).map(client => {
-      const config = `[Interface]
-ListenPort = ${port}
-Address = ${subnet}${client.ip}/32, ${subnet6}${client.ip}/128
-PrivateKey = ${client.private}
-DNS = 1.1.1.1
-
-[Peer] #Server
-PublicKey = ${server.public}
-AllowedIPs = 0.0.0.0/0, ::0/0
-Endpoint = ${server.endpoint}:${port}
-`
-
-      fs.writeFileSync(`out/clients/${client.name}.conf`, config);
-      fs.writeFileSync(`out/clients/${client.name}.public`, client.public);
-      var qr_svg = qrimage.image(config, { type: 'png' });
-      qr_svg.pipe(require('fs').createWriteStream(`out/clients/${client.name}.png`));
-   })
-}
-
-try {
-   if (!config.subnet6) {
-      let sn = crypto.randomBytes(5).toString("hex");
-      let s1 = sn.substr(0, 2);
-      let s23 = sn.substr(2, 4);
-      let s45 = sn.substr(6, 4);
-      config.subnet6 = `fd${s1}:${s23}:${s45}::`;
-   }
-
-   switch (process.argv[2]) {
-      case "init": {
-         const hostname = process.argv[3];
-         let subnet = process.argv[4];
-         const port = Number(process.argv[5]) | 51823;
-
-         if (!hostname)
-            throw new Error("Hostname required");
-
-         if (!subnet) {
-            let randomIP1 = Math.floor(Math.random() * 256);
-            let randomIP2 = Math.floor(Math.random() * 256);
-            subnet = `10.${randomIP1}.${randomIP2}.`;
-         } else {
-            if (!subnet.endsWith("."))
-               subnet += ".";
-         }
-
-
-
-         config.subnet = subnet;
-         config.port = port;
-         config.server = {
-            endpoint: hostname,
-            ...keyPair()
-         }
-         config.clients = {};
-         console.log("Created new configuration");
-         console.log("Server Hostname:", hostname);
-         console.log("           Port:", port);
-         console.log("         Subnet:", subnet + "0/24");
-
-         break;
-      }
-      case "generate": {
-         deleteRec("./out");
-         fs.mkdirSync("./out")
-         fs.mkdirSync("./out/server")
-         fs.mkdirSync("./out/clients")
-         makeServer(config)
-         makeClients(config)
-         break;
-      }
-      case "add": {
-         const name = process.argv[3];
-         const endpoint = process.argv[4];
-         if (!name)
-            throw new Error("No name!");
-         if (config.clients[name]) {
-            throw new Error("A device with this name exists already!\n Remove with 'remove <name>'");
-         }
-
-         let freeIP = 2;
-         clientArray(config.clients).forEach(c => c.ip >= freeIP ? freeIP = c.ip + 1 : undefined);
-         config.clients[name] = {
-            ip: freeIP,
-            endpoint,
-            ...keyPair()
-         }
-         console.log("Peer added:")
-         console.log(`IP: ${config.subnet}${freeIP}`)
-         break;
-      }
-
-      case "remove": {
-         const name = process.argv[3];
-         if (!name)
-            throw new Error("No name!");
-         delete config.clients[name];
-         break;
-      }
-
-      default: {
-         console.log("Wireguard VPN Config generator v0.1");
-         console.log("Usage:")
-         console.log("generate, add, remove")
-      }
-   }
-} catch (err) {
-   console.error(err);
-   console.error(err.message);
-}
-
-fs.writeFileSync("config.json", JSON.stringify(config, undefined, "   "));

go.mod

@@ -0,0 +1,9 @@
+module wg_generate
+
+go 1.16
+
+require (
+	github.com/boombuler/barcode v1.0.1 // indirect
+	github.com/urfave/cli v1.22.5
+	github.com/urfave/cli/v2 v2.3.0 // indirect
+)

go.sum

@@ -0,0 +1,18 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/boombuler/barcode v1.0.1 h1:NDBbPmhS+EqABEs5Kg3n/5ZNjy73Pz7SIV+KCeqyXcs=
+github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
+github.com/urfave/cli v1.22.5 h1:lNq9sAHXK2qfdI8W+GRItjCEkI+2oR4d+MEHy1CKXoU=
+github.com/urfave/cli v1.22.5/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M=
+github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

qr/LICENSE

@@ -1,19 +0,0 @@
-Copyright (c) 2013 Yandex LLC
-
-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.

qr/crc32buffer.js

@@ -1,50 +0,0 @@
-'use strict';
-
-var crc_table = [];
-
-for (var n = 0; n < 256; n++) {
-    var c = crc_table[n] = Buffer.alloc(4);
-    c.writeUInt32BE(n, 0);
-
-    for (var k = 0; k < 8; k++) {
-        var b0 = c[0] & 1;
-        var b1 = c[1] & 1;
-        var b2 = c[2] & 1;
-        var b3 = c[3] & 1;
-
-        c[0] = (c[0] >> 1) ^ (b3 ? 0xed : 0);
-        c[1] = (c[1] >> 1) ^ (b3 ? 0xb8 : 0) ^ (b0 ? 0x80 : 0);
-        c[2] = (c[2] >> 1) ^ (b3 ? 0x83 : 0) ^ (b1 ? 0x80 : 0);
-        c[3] = (c[3] >> 1) ^ (b3 ? 0x20 : 0) ^ (b2 ? 0x80 : 0);
-    }
-}
-
-function update(c, buf) {
-    var l = buf.length;
-    for (var n = 0; n < l; n++) {
-        var e = crc_table[c[3] ^ buf[n]];
-        c[3] = e[3] ^ c[2];
-        c[2] = e[2] ^ c[1];
-        c[1] = e[1] ^ c[0];
-        c[0] = e[0];
-    }
-}
-
-function crc32(/* arguments */) {
-    var l = arguments.length;
-    var c = Buffer.alloc(4);
-    c.fill(0xff);
-
-    for (var i = 0; i < l; i++) {
-        update(c, Buffer.from(arguments[i]));
-    }
-
-    c[0] = c[0] ^ 0xff;
-    c[1] = c[1] ^ 0xff;
-    c[2] = c[2] ^ 0xff;
-    c[3] = c[3] ^ 0xff;
-
-    return c.readUInt32BE(0);
-}
-
-module.exports = crc32;

qr/encode.js

@@ -1,175 +0,0 @@
-"use strict";
-
-function pushBits(arr, n, value) {
-    for (var bit = 1 << (n - 1); bit; bit = bit >>> 1) {
-        arr.push(bit & value ? 1 : 0);
-    }
-}
-
-// {{{1 8bit encode
-function encode_8bit(data) {
-    var len = data.length;
-    var bits = [];
-
-    for (var i = 0; i < len; i++) {
-        pushBits(bits, 8, data[i]);
-    }
-
-    var res = {};
-
-    var d = [0, 1, 0, 0];
-    pushBits(d, 16, len);
-    res.data10 = res.data27 = d.concat(bits);
-
-    if (len < 256) {
-        var d = [0, 1, 0, 0];
-        pushBits(d, 8, len);
-        res.data1 = d.concat(bits);
-    }
-
-    return res;
-}
-
-// {{{1 alphanumeric encode
-var ALPHANUM = (function (s) {
-    var res = {};
-    for (var i = 0; i < s.length; i++) {
-        res[s[i]] = i;
-    }
-    return res;
-})('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:');
-
-function encode_alphanum(str) {
-    var len = str.length;
-    var bits = [];
-
-    for (var i = 0; i < len; i += 2) {
-        var b = 6;
-        var n = ALPHANUM[str[i]];
-        if (str[i + 1]) {
-            b = 11;
-            n = n * 45 + ALPHANUM[str[i + 1]];
-        }
-        pushBits(bits, b, n);
-    }
-
-    var res = {};
-
-    var d = [0, 0, 1, 0];
-    pushBits(d, 13, len);
-    res.data27 = d.concat(bits);
-
-    if (len < 2048) {
-        var d = [0, 0, 1, 0];
-        pushBits(d, 11, len);
-        res.data10 = d.concat(bits);
-    }
-
-    if (len < 512) {
-        var d = [0, 0, 1, 0];
-        pushBits(d, 9, len);
-        res.data1 = d.concat(bits);
-    }
-
-    return res;
-}
-
-// {{{1 numeric encode
-function encode_numeric(str) {
-    var len = str.length;
-    var bits = [];
-
-    for (var i = 0; i < len; i += 3) {
-        var s = str.substr(i, 3);
-        var b = Math.ceil(s.length * 10 / 3);
-        pushBits(bits, b, parseInt(s, 10));
-    }
-
-    var res = {};
-
-    var d = [0, 0, 0, 1];
-    pushBits(d, 14, len);
-    res.data27 = d.concat(bits);
-
-    if (len < 4096) {
-        var d = [0, 0, 0, 1];
-        pushBits(d, 12, len);
-        res.data10 = d.concat(bits);
-    }
-
-    if (len < 1024) {
-        var d = [0, 0, 0, 1];
-        pushBits(d, 10, len);
-        res.data1 = d.concat(bits);
-    }
-
-    return res;
-}
-
-// {{{1 url encode
-function encode_url(str) {
-    var slash = str.indexOf('/', 8) + 1 || str.length;
-    var res = encode(str.slice(0, slash).toUpperCase(), false);
-
-    if (slash >= str.length) {
-        return res;
-    }
-
-    var path_res = encode(str.slice(slash), false);
-
-    res.data27 = res.data27.concat(path_res.data27);
-
-    if (res.data10 && path_res.data10) {
-        res.data10 = res.data10.concat(path_res.data10);
-    }
-
-    if (res.data1 && path_res.data1) {
-        res.data1 = res.data1.concat(path_res.data1);
-    }
-
-    return res;
-}
-
-// {{{1 Choose encode mode and generates struct with data for different version
-function encode(data, parse_url) {
-    var str;
-    var t = typeof data;
-
-    if (t == 'string' || t == 'number') {
-        str = '' + data;
-        data = Buffer.from(str);
-    } else if (Buffer.isBuffer(data)) {
-        str = data.toString();
-    } else if (Array.isArray(data)) {
-        data = Buffer.from(data);
-        str = data.toString();
-    } else {
-        throw new Error("Bad data");
-    }
-
-    if (/^[0-9]+$/.test(str)) {
-        if (data.length > 7089) {
-            throw new Error("Too much data");
-        }
-        return encode_numeric(str);
-    }
-
-    if (/^[0-9A-Z \$%\*\+\.\/\:\-]+$/.test(str)) {
-        if (data.length > 4296) {
-            throw new Error("Too much data");
-        }
-        return encode_alphanum(str);
-    }
-
-    if (parse_url && /^https?:/i.test(str)) {
-        return encode_url(str);
-    }
-
-    if (data.length > 2953) {
-        throw new Error("Too much data");
-    }
-    return encode_8bit(data);
-}
-
-// {{{1 export functions
-module.exports = encode;

qr/errorcode.js

@@ -1,77 +0,0 @@
-"use strict";
-
-// {{{1 Galois Field Math
-var GF256_BASE = 285;
-
-var EXP_TABLE = [1];
-var LOG_TABLE = [];
-
-for (var i = 1; i < 256; i++) {
-    var n = EXP_TABLE[i - 1] << 1;
-    if (n > 255) n = n ^ GF256_BASE;
-    EXP_TABLE[i] = n;
-}
-
-for (var i = 0; i < 255; i++) {
-    LOG_TABLE[EXP_TABLE[i]] = i;
-}
-
-function exp(k) {
-    while (k < 0) k += 255;
-    while (k > 255) k -= 255;
-    return EXP_TABLE[k];
-}
-
-function log(k) {
-    if (k < 1 || k > 255) {
-        throw Error('Bad log(' + k + ')');
-    }
-    return LOG_TABLE[k];
-}
-
-// {{{1 Generator Polynomials
-var POLYNOMIALS = [
-    [0], // a^0 x^0
-    [0, 0], // a^0 x^1 + a^0 x^0
-    [0, 25, 1], // a^0 x^2 + a^25 x^1 + a^1 x^0
-    // and so on...
-];
-
-function generatorPolynomial(num) {
-    if (POLYNOMIALS[num]) {
-        return POLYNOMIALS[num];
-    }
-    var prev = generatorPolynomial(num - 1);
-    var res = [];
-
-    res[0] = prev[0];
-    for (var i = 1; i <= num; i++) {
-        res[i] = log(exp(prev[i]) ^ exp(prev[i - 1] + num - 1));
-    }
-    POLYNOMIALS[num] = res;
-    return res;
-}
-
-// {{{1 export functions
-module.exports = function calculate_ec(msg, ec_len) {
-    // `msg` could be array or buffer
-    // convert `msg` to array
-    msg = [].slice.call(msg);
-
-    // Generator Polynomial
-    var poly = generatorPolynomial(ec_len);
-
-    for (var i = 0; i < ec_len; i++) msg.push(0);
-    while (msg.length > ec_len) {
-        if (!msg[0]) {
-            msg.shift();
-            continue;
-        }
-        var log_k = log(msg[0]);
-        for (var i = 0; i <= ec_len; i++) {
-            msg[i] = msg[i] ^ exp(poly[i] + log_k);
-        }
-        msg.shift();
-    }
-    return Buffer.from(msg);
-}

qr/matrix.js

@@ -1,352 +0,0 @@
-"use strict";
-
-// {{{1 Initialize matrix with zeros
-function init(version) {
-    var N = version * 4 + 17;
-    var matrix = [];
-    var zeros = new Buffer(N);
-    zeros.fill(0);
-    zeros = [].slice.call(zeros);
-    for (var i = 0; i < N; i++) {
-        matrix[i] = zeros.slice();
-    }
-    return matrix;
-}
-
-// {{{1 Put finders into matrix
-function fillFinders(matrix) {
-    var N = matrix.length;
-    for (var i = -3; i <= 3; i++) {
-        for (var j = -3; j <= 3; j++) {
-            var max = Math.max(i, j);
-            var min = Math.min(i, j);
-            var pixel = (max == 2 && min >= -2) || (min == -2 && max <= 2) ? 0x80 : 0x81;
-            matrix[3 + i][3 + j] = pixel;
-            matrix[3 + i][N - 4 + j] = pixel;
-            matrix[N - 4 + i][3 + j] = pixel;
-        }
-    }
-    for (var i = 0; i < 8; i++) {
-        matrix[7][i] = matrix[i][7] =
-        matrix[7][N - i - 1] = matrix[i][N - 8] =
-        matrix[N - 8][i] = matrix[N - 1 - i][7] = 0x80;
-    }
-}
-
-// {{{1 Put align and timinig
-function fillAlignAndTiming(matrix) {
-    var N = matrix.length;
-    if (N > 21) {
-        var len = N - 13;
-        var delta = Math.round(len / Math.ceil(len / 28));
-        if (delta % 2) delta++;
-        var res = [];
-        for (var p = len + 6; p > 10; p -= delta) {
-            res.unshift(p);
-        }
-        res.unshift(6);
-        for (var i = 0; i < res.length; i++) {
-            for (var j = 0; j < res.length; j++) {
-                var x = res[i], y = res[j];
-                if (matrix[x][y]) continue;
-                for (var r = -2; r <=2 ; r++) {
-                    for (var c = -2; c <=2 ; c++) {
-                        var max = Math.max(r, c);
-                        var min = Math.min(r, c);
-                        var pixel = (max == 1 && min >= -1) || (min == -1 && max <= 1) ? 0x80 : 0x81;
-                        matrix[x + r][y + c] = pixel;
-                    }
-                }
-            }
-        }
-    }
-    for (var i = 8; i < N - 8; i++) {
-        matrix[6][i] = matrix[i][6] = i % 2 ? 0x80 : 0x81;
-    }
-}
-
-// {{{1 Fill reserved areas with zeroes
-function fillStub(matrix) {
-    var N = matrix.length;
-    for (var i = 0; i < 8; i++) {
-        if (i != 6) {
-            matrix[8][i] = matrix[i][8] = 0x80;
-        }
-        matrix[8][N - 1 - i] = 0x80;
-        matrix[N - 1 - i][8] = 0x80;
-    }
-    matrix[8][8] = 0x80;
-    matrix[N - 8][8] = 0x81;
-
-    if (N < 45) return;
-
-    for (var i = N - 11; i < N - 8; i++) {
-        for (var j = 0; j < 6; j++) {
-            matrix[i][j] = matrix[j][i] = 0x80;
-        }
-    }
-}
-
-// {{{1 Fill reserved areas
-var fillReserved = (function() {
-    var FORMATS = Array(32);
-    var VERSIONS = Array(40);
-
-    var gf15 = 0x0537;
-    var gf18 = 0x1f25;
-    var formats_mask = 0x5412;
-
-    for (var format = 0; format < 32; format++) {
-        var res = format << 10;
-        for (var i = 5; i > 0; i--) {
-            if (res >>> (9 + i)) {
-                res = res ^ (gf15 << (i - 1));
-            }
-        }
-        FORMATS[format] = (res | (format << 10)) ^ formats_mask;
-    }
-
-    for (var version = 7; version <= 40; version++) {
-        var res = version << 12;
-        for (var i = 6; i > 0; i--) {
-            if (res >>> (11 + i)) {
-                res = res ^ (gf18 << (i - 1));
-            }
-        }
-        VERSIONS[version] = (res | (version << 12));
-    }
-
-    var EC_LEVELS = { L: 1, M: 0, Q: 3, H: 2 };
-
-    return function fillReserved(matrix, ec_level, mask) {
-        var N = matrix.length;
-        var format = FORMATS[EC_LEVELS[ec_level] << 3 | mask];
-        function F(k) { return format >> k & 1 ? 0x81 : 0x80 };
-        for (var i = 0; i < 8; i++) {
-            matrix[8][N - 1 - i] = F(i);
-            if (i < 6) matrix[i][8] = F(i);
-        }
-        for (var i = 8; i < 15; i++) {
-            matrix[N - 15 + i][8] = F(i);
-            if (i > 8) matrix[8][14 - i] = F(i);
-        }
-        matrix[7][8] = F(6);
-        matrix[8][8] = F(7);
-        matrix[8][7] = F(8);
-
-        var version = VERSIONS[(N - 17)/4];
-        if (!version) return;
-        function V(k) { return version >> k & 1 ? 0x81 : 0x80 };
-        for (var i = 0; i < 6; i++) {
-            for (var j = 0; j < 3; j++) {
-                matrix[N - 11 + j][i] = matrix[i][N - 11 + j] = V(i * 3 + j);
-            }
-        }
-    }
-})();
-
-// {{{1 Fill data
-var fillData = (function() {
-    var MASK_FUNCTIONS = [
-        function(i, j) { return (i + j) % 2 == 0 },
-        function(i, j) { return i % 2 == 0 },
-        function(i, j) { return j % 3 == 0 },
-        function(i, j) { return (i + j) % 3 == 0 },
-        function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0 },
-        function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0 },
-        function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0 },
-        function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0 }
-    ];
-
-    return function fillData(matrix, data, mask) {
-        var N = matrix.length;
-        var row, col, dir = -1;
-        row = col = N - 1;
-        var mask_fn = MASK_FUNCTIONS[mask];
-        var len = data.blocks[data.blocks.length - 1].length;
-
-        for (var i = 0; i < len; i++) {
-            for (var b = 0; b < data.blocks.length; b++) {
-                if (data.blocks[b].length <= i) continue;
-                put(data.blocks[b][i]);
-            }
-        }
-
-        len = data.ec_len;
-        for (var i = 0; i < len; i++) {
-            for (var b = 0; b < data.ec.length; b++) {
-                put(data.ec[b][i]);
-            }
-        }
-
-        if (col > -1) {
-            do {
-                matrix[row][col] = mask_fn(row, col) ? 1 : 0;
-            } while (next());
-        }
-
-        function put(byte) {
-            for (var mask = 0x80; mask; mask = mask >> 1) {
-                var pixel = !!(mask & byte);
-                if (mask_fn(row, col)) pixel = !pixel;
-                matrix[row][col] = pixel ? 1 : 0;
-                next();
-            }
-        }
-
-        function next() {
-            do {
-                if ((col % 2) ^ (col < 6)) {
-                    if (dir < 0 && row == 0 || dir > 0 && row == N - 1) {
-                        col--;
-                        dir = -dir;
-                    } else {
-                        col++;
-                        row += dir;
-                    }
-                } else {
-                    col--;
-                }
-                if (col == 6) {
-                    col--;
-                }
-                if (col < 0) {
-                    return false;
-                }
-            } while (matrix[row][col] & 0xf0);
-            return true;
-        }
-    }
-})();
-
-// {{{1 Calculate penalty
-function calculatePenalty(matrix) {
-    var N = matrix.length;
-    var penalty = 0;
-    // Rule 1
-    for (var i = 0; i < N; i++) {
-        var pixel = matrix[i][0] & 1;
-        var len = 1;
-        for (var j = 1; j < N; j++) {
-            var p = matrix[i][j] & 1;
-            if (p == pixel) {
-                len++;
-                continue;
-            }
-            if (len >= 5) {
-                penalty += len - 2;
-            }
-            pixel = p;
-            len = 1;
-        }
-        if (len >= 5) {
-            penalty += len - 2;
-        }
-    }
-    for (var j = 0; j < N; j++) {
-        var pixel = matrix[0][j] & 1;
-        var len = 1;
-        for (var i = 1; i < N; i++) {
-            var p = matrix[i][j] & 1;
-            if (p == pixel) {
-                len++;
-                continue;
-            }
-            if (len >= 5) {
-                penalty += len - 2;
-            }
-            pixel = p;
-            len = 1;
-        }
-        if (len >= 5) {
-            penalty += len - 2;
-        }
-    }
-
-    // Rule 2
-    for (var i = 0; i < N - 1; i++) {
-        for (var j = 0; j < N - 1; j++) {
-            var s = matrix[i][j] + matrix[i][j + 1] + matrix[i + 1][j] + matrix[i + 1][j + 1] & 7;
-            if (s == 0 || s == 4) {
-                penalty += 3;
-            }
-        }
-    }
-
-    // Rule 3
-    function I(k) { return matrix[i][j + k] & 1 };
-    function J(k) { return matrix[i + k][j] & 1 };
-    for (var i = 0; i < N; i++) {
-        for (var j = 0; j < N; j++) {
-            if (j < N - 6 && I(0) && !I(1) && I(2) && I(3) && I(4) && !I(5) && I(6)) {
-                if (j >= 4 && !(I(-4) || I(-3) || I(-2) || I(-1))) {
-                    penalty += 40;
-                }
-                if (j < N - 10 && !(I(7) || I(8) || I(9) || I(10))) {
-                    penalty += 40;
-                }
-            }
-
-            if (i < N - 6 && J(0) && !J(1) && J(2) && J(3) && J(4) && !J(5) && J(6)) {
-                if (i >= 4 && !(J(-4) || J(-3) || J(-2) || J(-1))) {
-                    penalty += 40;
-                }
-                if (i < N - 10 && !(J(7) || J(8) || J(9) || J(10))) {
-                    penalty += 40;
-                }
-            }
-        }
-    }
-
-    // Rule 4
-    var numDark = 0;
-    for (var i = 0; i < N; i++) {
-        for (var j = 0; j < N; j++) {
-            if (matrix[i][j] & 1) numDark++;
-        }
-    }
-    penalty += 10 * Math.floor(Math.abs(10 - 20 * numDark/(N * N)));
-
-    return penalty;
-}
-
-// {{{1 All-in-one function
-function getMatrix(data) {
-    var matrix = init(data.version);
-    fillFinders(matrix);
-    fillAlignAndTiming(matrix);
-    fillStub(matrix);
-
-    var penalty = Infinity;
-    var bestMask = 0;
-    for (var mask = 0; mask < 8; mask++) {
-        fillData(matrix, data, mask);
-        fillReserved(matrix, data.ec_level, mask);
-        var p = calculatePenalty(matrix);
-        if (p < penalty) {
-            penalty = p;
-            bestMask = mask;
-        }
-    }
-
-    fillData(matrix, data, bestMask);
-    fillReserved(matrix, data.ec_level, bestMask);
-
-    return matrix.map(function(row) {
-        return row.map(function(cell) {
-            return cell & 1;
-        });
-    });
-}
-
-// {{{1 export functions
-module.exports = {
-    getMatrix: getMatrix,
-    init: init,
-    fillFinders: fillFinders,
-    fillAlignAndTiming: fillAlignAndTiming,
-    fillStub: fillStub,
-    fillReserved: fillReserved,
-    fillData: fillData,
-    calculatePenalty: calculatePenalty,
-}

qr/png.js

@@ -1,64 +0,0 @@
-"use strict";
-
-var zlib = require('zlib');
-
-var crc32 = require('./crc32buffer');
-
-var PNG_HEAD = new Buffer([137, 80, 78, 71, 13, 10, 26, 10]);
-var PNG_IHDR = new Buffer([0, 0, 0, 13, 73, 72, 68, 82, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0]);
-var PNG_IDAT = new Buffer([0, 0, 0, 0, 73, 68, 65, 84]);
-var PNG_IEND = new Buffer([0, 0, 0, 0, 73, 69, 78, 68, 174, 66, 96, 130]);
-
-function png(bitmap, stream) {
-    stream.push(PNG_HEAD);
-
-    var IHDR = Buffer.concat([PNG_IHDR]);
-    IHDR.writeUInt32BE(bitmap.size, 8);
-    IHDR.writeUInt32BE(bitmap.size, 12);
-    IHDR.writeUInt32BE(crc32(IHDR.slice(4, -4)), 21);
-    stream.push(IHDR);
-
-    var IDAT = Buffer.concat([
-        PNG_IDAT,
-        zlib.deflateSync(bitmap.data, { level: 9 }),
-        new Buffer(4)
-    ]);
-    IDAT.writeUInt32BE(IDAT.length - 12, 0);
-    IDAT.writeUInt32BE(crc32(IDAT.slice(4, -4)), IDAT.length - 4);
-    stream.push(IDAT);
-
-    stream.push(PNG_IEND);
-    stream.push(null);
-}
-
-function bitmap(matrix, size, margin) {
-    var N = matrix.length;
-    var X = (N + 2 * margin) * size;
-    var data = new Buffer((X + 1) * X);
-    data.fill(255);
-    for (var i = 0; i < X; i++) {
-        data[i * (X + 1)] = 0;
-    }
-
-    for (var i = 0; i < N; i++) {
-        for (var j = 0; j < N; j++) {
-            if (matrix[i][j]) {
-                var offset = ((margin + i) * (X + 1) + (margin + j)) * size + 1;
-                data.fill(0, offset, offset + size);
-                for (var c = 1; c < size; c++) {
-                    data.copy(data, offset + c * (X + 1), offset, offset + size);
-                }
-            }
-        }
-    }
-
-    return {
-        data: data,
-        size: X
-    }
-}
-
-module.exports = {
-    bitmap: bitmap,
-    png: png
-}

qr/qr-base.js

@@ -1,180 +0,0 @@
-"use strict";
-
-var encode = require('./encode');
-var calculateEC = require('./errorcode');
-var matrix = require('./matrix');
-
-function _deepCopy(obj) {
-    return JSON.parse(JSON.stringify(obj));
-}
-
-var EC_LEVELS = ['L', 'M', 'Q', 'H'];
-
-// {{{1 Versions
-var versions = [
-    [], // there is no version 0
-    // total number of codewords, (number of ec codewords, number of blocks) * ( L, M, Q, H )
-    [26, 7, 1, 10, 1, 13, 1, 17, 1],
-    [44, 10, 1, 16, 1, 22, 1, 28, 1],
-    [70, 15, 1, 26, 1, 36, 2, 44, 2],
-    [100, 20, 1, 36, 2, 52, 2, 64, 4],
-    [134, 26, 1, 48, 2, 72, 4, 88, 4], // 5
-    [172, 36, 2, 64, 4, 96, 4, 112, 4],
-    [196, 40, 2, 72, 4, 108, 6, 130, 5],
-    [242, 48, 2, 88, 4, 132, 6, 156, 6],
-    [292, 60, 2, 110, 5, 160, 8, 192, 8],
-    [346, 72, 4, 130, 5, 192, 8, 224, 8], // 10
-    [404, 80, 4, 150, 5, 224, 8, 264, 11],
-    [466, 96, 4, 176, 8, 260, 10, 308, 11],
-    [532, 104, 4, 198, 9, 288, 12, 352, 16],
-    [581, 120, 4, 216, 9, 320, 16, 384, 16],
-    [655, 132, 6, 240, 10, 360, 12, 432, 18], // 15
-    [733, 144, 6, 280, 10, 408, 17, 480, 16],
-    [815, 168, 6, 308, 11, 448, 16, 532, 19],
-    [901, 180, 6, 338, 13, 504, 18, 588, 21],
-    [991, 196, 7, 364, 14, 546, 21, 650, 25],
-    [1085, 224, 8, 416, 16, 600, 20, 700, 25], // 20
-    [1156, 224, 8, 442, 17, 644, 23, 750, 25],
-    [1258, 252, 9, 476, 17, 690, 23, 816, 34],
-    [1364, 270, 9, 504, 18, 750, 25, 900, 30],
-    [1474, 300, 10, 560, 20, 810, 27, 960, 32],
-    [1588, 312, 12, 588, 21, 870, 29, 1050, 35], // 25
-    [1706, 336, 12, 644, 23, 952, 34, 1110, 37],
-    [1828, 360, 12, 700, 25, 1020, 34, 1200, 40],
-    [1921, 390, 13, 728, 26, 1050, 35, 1260, 42],
-    [2051, 420, 14, 784, 28, 1140, 38, 1350, 45],
-    [2185, 450, 15, 812, 29, 1200, 40, 1440, 48], // 30
-    [2323, 480, 16, 868, 31, 1290, 43, 1530, 51],
-    [2465, 510, 17, 924, 33, 1350, 45, 1620, 54],
-    [2611, 540, 18, 980, 35, 1440, 48, 1710, 57],
-    [2761, 570, 19, 1036, 37, 1530, 51, 1800, 60],
-    [2876, 570, 19, 1064, 38, 1590, 53, 1890, 63], // 35
-    [3034, 600, 20, 1120, 40, 1680, 56, 1980, 66],
-    [3196, 630, 21, 1204, 43, 1770, 59, 2100, 70],
-    [3362, 660, 22, 1260, 45, 1860, 62, 2220, 74],
-    [3532, 720, 24, 1316, 47, 1950, 65, 2310, 77],
-    [3706, 750, 25, 1372, 49, 2040, 68, 2430, 81] // 40
-];
-
-versions = versions.map(function(v, index) {
-    if (!index) return {};
-
-    var res = {
-    }
-    for (var i = 1; i < 8; i += 2) {
-        var length = v[0] - v[i];
-        var num_template = v[i+1];
-        var ec_level = EC_LEVELS[(i/2)|0];
-        var level = {
-            version: index,
-            ec_level: ec_level,
-            data_len: length,
-            ec_len: v[i] / num_template,
-            blocks: [],
-            ec: []
-        }
-
-        for (var k = num_template, n = length; k > 0; k--) {
-            var block = (n / k)|0;
-            level.blocks.push(block);
-            n -= block;
-
-        }
-        res[ec_level] = level;
-    }
-    return res;
-});
-
-// {{{1 Get version template
-function getTemplate(message, ec_level) {
-    var i = 1;
-    var len;
-
-    if (message.data1) {
-        len = Math.ceil(message.data1.length / 8);
-    } else {
-        i = 10;
-    }
-    for (/* i */; i < 10; i++) {
-        var version = versions[i][ec_level];
-        if (version.data_len >= len) {
-            return _deepCopy(version);
-        }
-    }
-
-    if (message.data10) {
-        len = Math.ceil(message.data10.length / 8);
-    } else {
-        i = 27;
-    }
-    for (/* i */; i < 27; i++) {
-        var version = versions[i][ec_level];
-        if (version.data_len >= len) {
-            return _deepCopy(version);
-        }
-    }
-
-    len = Math.ceil(message.data27.length / 8);
-    for (/* i */; i < 41; i++) {
-        var version = versions[i][ec_level];
-        if (version.data_len >= len) {
-            return _deepCopy(version);
-        }
-    }
-    throw new Error("Too much data");
-}
-
-// {{{1 Fill template
-function fillTemplate(message, template) {
-    var blocks = new Buffer(template.data_len);
-    blocks.fill(0);
-
-    if (template.version < 10) {
-        message = message.data1;
-    } else if (template.version < 27) {
-        message = message.data10;
-    } else {
-        message = message.data27;
-    }
-
-    var len = message.length;
-
-    for (var i = 0; i < len; i += 8) {
-        var b = 0;
-        for (var j = 0; j < 8; j++) {
-            b = (b << 1) | (message[i + j] ? 1 : 0);
-        }
-        blocks[i / 8] = b;
-    }
-
-    var pad = 236;
-    for (var i = Math.ceil((len + 4) / 8); i < blocks.length; i++) {
-        blocks[i] = pad;
-        pad = (pad == 236) ? 17 : 236;
-    }
-
-    var offset = 0;
-    template.blocks = template.blocks.map(function(n) {
-        var b = blocks.slice(offset, offset + n);
-        offset += n;
-        template.ec.push(calculateEC(b, template.ec_len));
-        return b;
-    });
-
-    return template;
-}
-
-// {{{1 All-in-one
-function QR(text, ec_level, parse_url) {
-    ec_level = EC_LEVELS.indexOf(ec_level) > -1 ? ec_level : 'M';
-    var message = encode(text, parse_url);
-    var data = fillTemplate(message, getTemplate(message, ec_level));
-    return matrix.getMatrix(data);
-}
-
-// {{{1 export functions
-module.exports = {
-    QR: QR,
-    getTemplate: getTemplate,
-    fillTemplate: fillTemplate,
-}

qr/qr.js

@@ -1,121 +0,0 @@
-"use strict";
-
-var Readable = require('stream').Readable;
-
-var QR = require('./qr-base').QR;
-var png = require('./png');
-var vector = require('./vector');
-
-var fn_noop = function() {};
-
-var BITMAP_OPTIONS = {
-    parse_url: false,
-    ec_level: 'M',
-    size: 5,
-    margin: 4,
-    customize: null
-};
-
-var VECTOR_OPTIONS = {
-    parse_url: false,
-    ec_level: 'M',
-    margin: 1,
-    size: 0
-};
-
-function get_options(options, force_type) {
-    if (typeof options === 'string') {
-        options = { 'ec_level': options }
-    } else {
-        options = options || {};
-    }
-    var _options = {
-        type: String(force_type || options.type || 'png').toLowerCase()
-    };
-
-    var defaults = _options.type == 'png' ? BITMAP_OPTIONS : VECTOR_OPTIONS;
-
-    for (var k in defaults) {
-        _options[k] = k in options ? options[k] : defaults[k];
-    }
-
-    return _options;
-}
-
-function qr_image(text, options) {
-    options = get_options(options);
-
-    var matrix = QR(text, options.ec_level, options.parse_url);
-    var stream = new Readable();
-    stream._read = fn_noop;
-
-    switch (options.type) {
-    case 'svg':
-    case 'pdf':
-    case 'eps':
-        process.nextTick(function() {
-            vector[options.type](matrix, stream, options.margin, options.size);
-        });
-        break;
-    case 'svgpath':
-        // deprecated, use svg_object method
-        process.nextTick(function() {
-            var obj = vector.svg_object(matrix, options.margin, options.size);
-            stream.push(obj.path);
-            stream.push(null);
-        });
-        break;
-    case 'png':
-    default:
-        process.nextTick(function() {
-            var bitmap = png.bitmap(matrix, options.size, options.margin);
-            if (options.customize) {
-                options.customize(bitmap);
-            }
-            png.png(bitmap, stream);
-        });
-    }
-
-    return stream;
-}
-
-function qr_image_sync(text, options) {
-    options = get_options(options);
-
-    var matrix = QR(text, options.ec_level, options.parse_url);
-    var stream = [];
-    var result;
-
-    switch (options.type) {
-    case 'svg':
-    case 'pdf':
-    case 'eps':
-        vector[options.type](matrix, stream, options.margin, options.size);
-        result = stream.filter(Boolean).join('');
-        break;
-    case 'png':
-    default:
-        var bitmap = png.bitmap(matrix, options.size, options.margin);
-        if (options.customize) {
-            options.customize(bitmap);
-        }
-        png.png(bitmap, stream);
-        result = Buffer.concat(stream.filter(Boolean));
-    }
-
-    return result;
-}
-
-function svg_object(text, options) {
-    options = get_options(options, 'svg');
-
-    var matrix = QR(text, options.ec_level);
-    return vector.svg_object(matrix, options.margin);
-}
-
-module.exports = {
-    matrix: QR,
-    image: qr_image,
-    imageSync: qr_image_sync,
-    svgObject: svg_object
-};

qr/vector.js

@@ -1,260 +0,0 @@
-"use strict";
-
-function matrix2path(matrix) {
-    var N = matrix.length;
-    var filled = [];
-    for (var row = -1; row <= N; row++) {
-        filled[row] = [];
-    }
-
-    var path = [];
-    for (var row = 0; row < N; row++) {
-        for (var col = 0; col < N; col++) {
-            if (filled[row][col]) continue;
-            filled[row][col] = 1;
-            if (isDark(row, col)) {
-                if (!isDark(row - 1, col)) {
-                    path.push(plot(row, col, 'right'));
-                }
-            } else {
-                if (isDark(row, col - 1)) {
-                    path.push(plot(row, col, 'down'));
-                }
-            }
-        }
-    }
-    return path;
-
-    function isDark(row, col) {
-        if (row < 0 || col < 0 || row >= N || col >= N) return false;
-        return !!matrix[row][col];
-    }
-
-    function plot(row0, col0, dir) {
-        filled[row0][col0] = 1;
-        var res = [];
-        res.push(['M',  col0, row0 ]);
-        var row = row0;
-        var col = col0;
-        var len = 0;
-        do {
-            switch (dir) {
-            case 'right':
-                filled[row][col] = 1;
-                if (isDark(row, col)) {
-                    filled[row - 1][col] = 1;
-                    if (isDark(row - 1, col)) {
-                        res.push(['h', len]);
-                        len = 0;
-                        dir = 'up';
-                    } else {
-                        len++;
-                        col++;
-                    }
-                } else {
-                    res.push(['h', len]);
-                    len = 0;
-                    dir = 'down';
-                }
-                break;
-            case 'left':
-                filled[row - 1][col - 1] = 1;
-                if (isDark(row - 1, col - 1)) {
-                    filled[row][col - 1] = 1;
-                    if (isDark(row, col - 1)) {
-                        res.push(['h', -len]);
-                        len = 0;
-                        dir = 'down';
-                    } else {
-                        len++;
-                        col--;
-                    }
-                } else {
-                    res.push(['h', -len]);
-                    len = 0;
-                    dir = 'up';
-                }
-                break;
-            case 'down':
-                filled[row][col - 1] = 1;
-                if (isDark(row, col - 1)) {
-                    filled[row][col] = 1;
-                    if (isDark(row, col)) {
-                        res.push(['v', len]);
-                        len = 0;
-                        dir = 'right';
-                    } else {
-                        len++;
-                        row++;
-                    }
-                } else {
-                    res.push(['v', len]);
-                    len = 0;
-                    dir = 'left';
-                }
-                break;
-            case 'up':
-                filled[row - 1][col] = 1;
-                if (isDark(row - 1, col)) {
-                    filled[row - 1][col - 1] = 1;
-                    if (isDark(row - 1, col - 1)) {
-                        res.push(['v', -len]);
-                        len = 0;
-                        dir = 'left';
-                    } else {
-                        len++;
-                        row--;
-                    }
-                } else {
-                    res.push(['v', -len]);
-                    len = 0;
-                    dir = 'right';
-                }
-                break;
-            }
-        } while (row != row0 || col != col0);
-        return res;
-    }
-}
-
-function pushSVGPath(matrix, stream, margin) {
-    matrix2path(matrix).forEach(function(subpath) {
-        var res = '';
-        for (var k = 0; k < subpath.length; k++) {
-            var item = subpath[k];
-            switch (item[0]) {
-            case 'M':
-                res += 'M' + (item[1] + margin) + ' ' + (item[2] + margin);
-                break;
-            default:
-                res += item.join('');
-            }
-        }
-        res += 'z';
-        stream.push(res);
-    });
-}
-
-function SVG_object(matrix, margin) {
-    var stream = [];
-    pushSVGPath(matrix, stream, margin);
-
-    var result = {
-        size: matrix.length + 2 * margin,
-        path: stream.filter(Boolean).join('')
-    }
-
-    return result;
-}
-
-function SVG(matrix, stream, margin, size) {
-    var X = matrix.length + 2 * margin;
-    stream.push('<svg xmlns="http://www.w3.org/2000/svg" ');
-    if (size > 0) {
-        var XY = X * size;
-        stream.push('width="' + XY + '" height="' + XY + '" ');
-    }
-    stream.push('viewBox="0 0 ' + X + ' ' + X + '">');
-    stream.push('<path d="');
-    pushSVGPath(matrix, stream, margin);
-    stream.push('"/></svg>');
-    stream.push(null);
-}
-
-function EPS(matrix, stream, margin) {
-    var N = matrix.length;
-    var scale = 9;
-    var X = (N + 2 * margin) * scale;
-    stream.push([
-        '%!PS-Adobe-3.0 EPSF-3.0',
-        '%%BoundingBox: 0 0 ' + X + ' ' + X,
-        '/h { 0 rlineto } bind def',
-        '/v { 0 exch neg rlineto } bind def',
-        '/M { neg ' + (N + margin) + ' add moveto } bind def',
-        '/z { closepath } bind def',
-        scale + ' ' + scale + ' scale',
-        ''
-    ].join('\n'));
-
-    matrix2path(matrix).forEach(function(subpath) {
-        var res = '';
-        for (var k = 0; k < subpath.length; k++) {
-            var item = subpath[k];
-            switch (item[0]) {
-            case 'M':
-                res += (item[1] + margin) + ' ' + item[2] + ' M ';
-                break;
-            default:
-                res += item[1] + ' ' + item[0] + ' ';
-            }
-        }
-        res += 'z\n';
-        stream.push(res);
-    });
-
-    stream.push('fill\n%%EOF\n');
-    stream.push(null);
-}
-
-function PDF(matrix, stream, margin) {
-    // TODO deflate
-    var N = matrix.length;
-    var scale = 9;
-    var X = (N + 2 * margin) * scale;
-    var data = [
-        '%PDF-1.0\n\n',
-        '1 0 obj << /Type /Catalog /Pages 2 0 R >> endobj\n',
-        '2 0 obj << /Type /Pages /Count 1 /Kids [ 3 0 R ] >> endobj\n',
-    ];
-    data.push('3 0 obj << /Type /Page /Parent 2 0 R /Resources <<>> ' +
-        '/Contents 4 0 R /MediaBox [ 0 0 ' + X + ' ' + X + ' ] >> endobj\n');
-
-    var path = scale + ' 0 0 ' + scale + ' 0 0 cm\n';
-    path += matrix2path(matrix).map(function(subpath) {
-        var res = '';
-        var x, y;
-        for (var k = 0; k < subpath.length; k++) {
-            var item = subpath[k];
-            switch (item[0]) {
-            case 'M':
-                x = item[1] + margin;
-                y = N - item[2] + margin;
-                res += x + ' ' + y + ' m ';
-                break;
-            case 'h':
-                x += item[1];
-                res += x + ' ' + y + ' l ';
-                break;
-            case 'v':
-                y -= item[1];
-                res += x + ' ' + y + ' l ';
-                break;
-            }
-        }
-        res += 'h';
-        return res;
-    }).join('\n');
-    path += '\nf\n';
-    data.push('4 0 obj << /Length ' + path.length + ' >> stream\n' +
-        path + 'endstream\nendobj\n');
-
-    var xref = 'xref\n0 5\n0000000000 65535 f \n';
-    for (var i = 1, l = data[0].length; i < 5; i++) {
-        xref += ('0000000000' + l).substr(-10) + ' 00000 n \n';
-        l += data[i].length;
-    }
-    data.push(
-        xref,
-        'trailer << /Root 1 0 R /Size 5 >>\n',
-        'startxref\n' + l + '\n%%EOF\n'
-    );
-    stream.push(data.join(''));
-    stream.push(null);
-}
-
-module.exports = {
-    svg: SVG,
-    eps: EPS,
-    pdf: PDF,
-    svg_object: SVG_object
-}