[tbb-commits] [tor-browser] 57/73: Bug 40807: Added QRCode.js to toolkit/modules

gitolite role git at cupani.torproject.org
Thu Jul 21 10:28:14 UTC 2022


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pierov pushed a commit to branch tor-browser-91.12.0esr-11.5-1
in repository tor-browser.

commit a4e62bd2784bb3e8b269befa28ee9a1b486186c0
Author: Pier Angelo Vendrame <pierov at torproject.org>
AuthorDate: Thu Feb 17 12:17:25 2022 +0100

    Bug 40807: Added QRCode.js to toolkit/modules
---
 toolkit/content/license.html |   33 ++
 toolkit/modules/QRCode.jsm   | 1241 ++++++++++++++++++++++++++++++++++++++++++
 toolkit/modules/moz.build    |    1 +
 3 files changed, 1275 insertions(+)

diff --git a/toolkit/content/license.html b/toolkit/content/license.html
index 782e874edf2aa..62df63156cff9 100644
--- a/toolkit/content/license.html
+++ b/toolkit/content/license.html
@@ -155,6 +155,7 @@
       <li><a href="about:license#prop-types">prop-types License</a></li>
       <li><a href="about:license#qcms">qcms License</a></li>
       <li><a href="about:license#qrcode-generator">QR Code Generator License</a></li>
+      <li><a href="about:license#qrcode-js">QRCode.js License</a></li>
       <li><a href="about:license#raven-js">Raven.js License</a></li>
       <li><a href="about:license#react">React License</a></li>
       <li><a href="about:license#react-mit">React MIT License</a></li>
@@ -5136,6 +5137,38 @@ 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.
+</pre>
+
+    <hr>
+
+    <h1><a id="qrcode-js"></a>QRCode.js License</h1>
+
+    <p>This license applies to the file
+      <code>toolkit/modules/QRCode.jsm</code>.</p>
+<pre>
+The MIT License (MIT)
+---------------------
+Copyright (c) 2009 Kazuhiko Arase
+Copyright (c) 2012 davidshimjs
+Copyright (c) 2018 ivan386
+
+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
diff --git a/toolkit/modules/QRCode.jsm b/toolkit/modules/QRCode.jsm
new file mode 100644
index 0000000000000..a5970ed2b7b31
--- /dev/null
+++ b/toolkit/modules/QRCode.jsm
@@ -0,0 +1,1241 @@
+/**
+ * @fileoverview
+ * - Using the 'QRCode for Javascript library'
+ * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
+ * - this library has no dependencies.
+ *
+ * Modified to be used as a module by the Tor Project
+ *
+ * @author Kazuhiko Arase, davidshimjs, ivan386
+ * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
+ * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
+ */
+
+var EXPORTED_SYMBOLS = ["QRCode"];
+
+var QRCode;
+
+(function() {
+  //---------------------------------------------------------------------
+  // QRCode for JavaScript
+  //
+  // Copyright (c) 2009 Kazuhiko Arase
+  //
+  // URL: http://www.d-project.com/
+  //
+  // Licensed under the MIT license:
+  //   http://www.opensource.org/licenses/mit-license.php
+  //
+  // The word "QR Code" is registered trademark of
+  // DENSO WAVE INCORPORATED
+  //   http://www.denso-wave.com/qrcode/faqpatent-e.html
+  //
+  //---------------------------------------------------------------------
+  function QR8bitByte(data) {
+    this.mode = QRMode.MODE_8BIT_BYTE;
+    this.data = data;
+    this.parsedData = [];
+
+    // Added to support UTF-8 Characters
+    for (var i = 0, l = this.data.length; i < l; i++) {
+      var byteArray = [];
+      var code = this.data.charCodeAt(i);
+
+      if (code > 0x10000) {
+        byteArray[0] = 0xf0 | ((code & 0x1c0000) >>> 18);
+        byteArray[1] = 0x80 | ((code & 0x3f000) >>> 12);
+        byteArray[2] = 0x80 | ((code & 0xfc0) >>> 6);
+        byteArray[3] = 0x80 | (code & 0x3f);
+      } else if (code > 0x800) {
+        byteArray[0] = 0xe0 | ((code & 0xf000) >>> 12);
+        byteArray[1] = 0x80 | ((code & 0xfc0) >>> 6);
+        byteArray[2] = 0x80 | (code & 0x3f);
+      } else if (code > 0x80) {
+        byteArray[0] = 0xc0 | ((code & 0x7c0) >>> 6);
+        byteArray[1] = 0x80 | (code & 0x3f);
+      } else {
+        byteArray[0] = code;
+      }
+
+      this.parsedData.push(byteArray);
+    }
+
+    this.parsedData = Array.prototype.concat.apply([], this.parsedData);
+
+    if (this.parsedData.length != this.data.length) {
+      this.parsedData.unshift(191);
+      this.parsedData.unshift(187);
+      this.parsedData.unshift(239);
+    }
+  }
+
+  QR8bitByte.prototype = {
+    getLength(buffer) {
+      return this.parsedData.length;
+    },
+    write(buffer) {
+      for (var i = 0, l = this.parsedData.length; i < l; i++) {
+        buffer.put(this.parsedData[i], 8);
+      }
+    },
+  };
+
+  function QRCodeModel(typeNumber, errorCorrectLevel) {
+    this.typeNumber = typeNumber;
+    this.errorCorrectLevel = errorCorrectLevel;
+    this.modules = null;
+    this.moduleCount = 0;
+    this.dataCache = null;
+    this.dataList = [];
+  }
+
+  QRCodeModel.prototype = {
+    addData(data) {
+      var newData = new QR8bitByte(data);
+      this.dataList.push(newData);
+      this.dataCache = null;
+    },
+    isDark(row, col) {
+      if (
+        row < 0 ||
+        this.moduleCount <= row ||
+        col < 0 ||
+        this.moduleCount <= col
+      ) {
+        throw new Error(row + "," + col);
+      }
+      return this.modules[row][col];
+    },
+    getModuleCount() {
+      return this.moduleCount;
+    },
+    make() {
+      this.makeImpl(false, this.getBestMaskPattern());
+    },
+    makeImpl(test, maskPattern) {
+      this.moduleCount = this.typeNumber * 4 + 17;
+      this.modules = new Array(this.moduleCount);
+      for (var row = 0; row < this.moduleCount; row++) {
+        this.modules[row] = new Array(this.moduleCount);
+        for (var col = 0; col < this.moduleCount; col++) {
+          this.modules[row][col] = null;
+        }
+      }
+      this.setupPositionProbePattern(0, 0);
+      this.setupPositionProbePattern(this.moduleCount - 7, 0);
+      this.setupPositionProbePattern(0, this.moduleCount - 7);
+      this.setupPositionAdjustPattern();
+      this.setupTimingPattern();
+      this.setupTypeInfo(test, maskPattern);
+      if (this.typeNumber >= 7) {
+        this.setupTypeNumber(test);
+      }
+      if (this.dataCache == null) {
+        this.dataCache = QRCodeModel.createData(
+          this.typeNumber,
+          this.errorCorrectLevel,
+          this.dataList
+        );
+      }
+      this.mapData(this.dataCache, maskPattern);
+    },
+    setupPositionProbePattern(row, col) {
+      for (var r = -1; r <= 7; r++) {
+        if (row + r <= -1 || this.moduleCount <= row + r) {
+          continue;
+        }
+        for (var c = -1; c <= 7; c++) {
+          if (col + c <= -1 || this.moduleCount <= col + c) {
+            continue;
+          }
+          if (
+            (0 <= r && r <= 6 && (c == 0 || c == 6)) ||
+            (0 <= c && c <= 6 && (r == 0 || r == 6)) ||
+            (2 <= r && r <= 4 && 2 <= c && c <= 4)
+          ) {
+            this.modules[row + r][col + c] = true;
+          } else {
+            this.modules[row + r][col + c] = false;
+          }
+        }
+      }
+    },
+    getBestMaskPattern() {
+      var minLostPoint = 0;
+      var pattern = 0;
+      for (var i = 0; i < 8; i++) {
+        this.makeImpl(true, i);
+        var lostPoint = QRUtil.getLostPoint(this);
+        if (i == 0 || minLostPoint > lostPoint) {
+          minLostPoint = lostPoint;
+          pattern = i;
+        }
+      }
+      return pattern;
+    },
+    createMovieClip(target_mc, instance_name, depth) {
+      var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
+      var cs = 1;
+      this.make();
+      for (var row = 0; row < this.modules.length; row++) {
+        var y = row * cs;
+        for (var col = 0; col < this.modules[row].length; col++) {
+          var x = col * cs;
+          var dark = this.modules[row][col];
+          if (dark) {
+            qr_mc.beginFill(0, 100);
+            qr_mc.moveTo(x, y);
+            qr_mc.lineTo(x + cs, y);
+            qr_mc.lineTo(x + cs, y + cs);
+            qr_mc.lineTo(x, y + cs);
+            qr_mc.endFill();
+          }
+        }
+      }
+      return qr_mc;
+    },
+    setupTimingPattern() {
+      for (var r = 8; r < this.moduleCount - 8; r++) {
+        if (this.modules[r][6] != null) {
+          continue;
+        }
+        this.modules[r][6] = r % 2 == 0;
+      }
+      for (var c = 8; c < this.moduleCount - 8; c++) {
+        if (this.modules[6][c] != null) {
+          continue;
+        }
+        this.modules[6][c] = c % 2 == 0;
+      }
+    },
+    setupPositionAdjustPattern() {
+      var pos = QRUtil.getPatternPosition(this.typeNumber);
+      for (var i = 0; i < pos.length; i++) {
+        for (var j = 0; j < pos.length; j++) {
+          var row = pos[i];
+          var col = pos[j];
+          if (this.modules[row][col] != null) {
+            continue;
+          }
+          for (var r = -2; r <= 2; r++) {
+            for (var c = -2; c <= 2; c++) {
+              if (
+                r == -2 ||
+                r == 2 ||
+                c == -2 ||
+                c == 2 ||
+                (r == 0 && c == 0)
+              ) {
+                this.modules[row + r][col + c] = true;
+              } else {
+                this.modules[row + r][col + c] = false;
+              }
+            }
+          }
+        }
+      }
+    },
+    setupTypeNumber(test) {
+      var bits = QRUtil.getBCHTypeNumber(this.typeNumber);
+      for (var i = 0; i < 18; i++) {
+        var mod = !test && ((bits >> i) & 1) == 1;
+        this.modules[Math.floor(i / 3)][
+          (i % 3) + this.moduleCount - 8 - 3
+        ] = mod;
+      }
+      for (var i = 0; i < 18; i++) {
+        var mod = !test && ((bits >> i) & 1) == 1;
+        this.modules[(i % 3) + this.moduleCount - 8 - 3][
+          Math.floor(i / 3)
+        ] = mod;
+      }
+    },
+    setupTypeInfo(test, maskPattern) {
+      var data = (this.errorCorrectLevel << 3) | maskPattern;
+      var bits = QRUtil.getBCHTypeInfo(data);
+      for (var i = 0; i < 15; i++) {
+        var mod = !test && ((bits >> i) & 1) == 1;
+        if (i < 6) {
+          this.modules[i][8] = mod;
+        } else if (i < 8) {
+          this.modules[i + 1][8] = mod;
+        } else {
+          this.modules[this.moduleCount - 15 + i][8] = mod;
+        }
+      }
+      for (var i = 0; i < 15; i++) {
+        var mod = !test && ((bits >> i) & 1) == 1;
+        if (i < 8) {
+          this.modules[8][this.moduleCount - i - 1] = mod;
+        } else if (i < 9) {
+          this.modules[8][15 - i - 1 + 1] = mod;
+        } else {
+          this.modules[8][15 - i - 1] = mod;
+        }
+      }
+      this.modules[this.moduleCount - 8][8] = !test;
+    },
+    mapData(data, maskPattern) {
+      var inc = -1;
+      var row = this.moduleCount - 1;
+      var bitIndex = 7;
+      var byteIndex = 0;
+      for (var col = this.moduleCount - 1; col > 0; col -= 2) {
+        if (col == 6) {
+          col--;
+        }
+        while (true) {
+          for (var c = 0; c < 2; c++) {
+            if (this.modules[row][col - c] == null) {
+              var dark = false;
+              if (byteIndex < data.length) {
+                dark = ((data[byteIndex] >>> bitIndex) & 1) == 1;
+              }
+              var mask = QRUtil.getMask(maskPattern, row, col - c);
+              if (mask) {
+                dark = !dark;
+              }
+              this.modules[row][col - c] = dark;
+              bitIndex--;
+              if (bitIndex == -1) {
+                byteIndex++;
+                bitIndex = 7;
+              }
+            }
+          }
+          row += inc;
+          if (row < 0 || this.moduleCount <= row) {
+            row -= inc;
+            inc = -inc;
+            break;
+          }
+        }
+      }
+    },
+  };
+  QRCodeModel.PAD0 = 0xec;
+  QRCodeModel.PAD1 = 0x11;
+  QRCodeModel.createData = function(typeNumber, errorCorrectLevel, dataList) {
+    var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
+    var buffer = new QRBitBuffer();
+    for (var i = 0; i < dataList.length; i++) {
+      var data = dataList[i];
+      buffer.put(data.mode, 4);
+      buffer.put(
+        data.getLength(),
+        QRUtil.getLengthInBits(data.mode, typeNumber)
+      );
+      data.write(buffer);
+    }
+    var totalDataCount = 0;
+    for (var i = 0; i < rsBlocks.length; i++) {
+      totalDataCount += rsBlocks[i].dataCount;
+    }
+    if (buffer.getLengthInBits() > totalDataCount * 8) {
+      throw new Error(
+        "code length overflow. (" +
+          buffer.getLengthInBits() +
+          ">" +
+          totalDataCount * 8 +
+          ")"
+      );
+    }
+    if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
+      buffer.put(0, 4);
+    }
+    while (buffer.getLengthInBits() % 8 != 0) {
+      buffer.putBit(false);
+    }
+    while (true) {
+      if (buffer.getLengthInBits() >= totalDataCount * 8) {
+        break;
+      }
+      buffer.put(QRCodeModel.PAD0, 8);
+      if (buffer.getLengthInBits() >= totalDataCount * 8) {
+        break;
+      }
+      buffer.put(QRCodeModel.PAD1, 8);
+    }
+    return QRCodeModel.createBytes(buffer, rsBlocks);
+  };
+  QRCodeModel.createBytes = function(buffer, rsBlocks) {
+    var offset = 0;
+    var maxDcCount = 0;
+    var maxEcCount = 0;
+    var dcdata = new Array(rsBlocks.length);
+    var ecdata = new Array(rsBlocks.length);
+    for (var r = 0; r < rsBlocks.length; r++) {
+      var dcCount = rsBlocks[r].dataCount;
+      var ecCount = rsBlocks[r].totalCount - dcCount;
+      maxDcCount = Math.max(maxDcCount, dcCount);
+      maxEcCount = Math.max(maxEcCount, ecCount);
+      dcdata[r] = new Array(dcCount);
+      for (var i = 0; i < dcdata[r].length; i++) {
+        dcdata[r][i] = 0xff & buffer.buffer[i + offset];
+      }
+      offset += dcCount;
+      var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
+      var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1);
+      var modPoly = rawPoly.mod(rsPoly);
+      ecdata[r] = new Array(rsPoly.getLength() - 1);
+      for (var i = 0; i < ecdata[r].length; i++) {
+        var modIndex = i + modPoly.getLength() - ecdata[r].length;
+        ecdata[r][i] = modIndex >= 0 ? modPoly.get(modIndex) : 0;
+      }
+    }
+    var totalCodeCount = 0;
+    for (var i = 0; i < rsBlocks.length; i++) {
+      totalCodeCount += rsBlocks[i].totalCount;
+    }
+    var data = new Array(totalCodeCount);
+    var index = 0;
+    for (var i = 0; i < maxDcCount; i++) {
+      for (var r = 0; r < rsBlocks.length; r++) {
+        if (i < dcdata[r].length) {
+          data[index++] = dcdata[r][i];
+        }
+      }
+    }
+    for (var i = 0; i < maxEcCount; i++) {
+      for (var r = 0; r < rsBlocks.length; r++) {
+        if (i < ecdata[r].length) {
+          data[index++] = ecdata[r][i];
+        }
+      }
+    }
+    return data;
+  };
+  var QRMode = {
+    MODE_NUMBER: 1 << 0,
+    MODE_ALPHA_NUM: 1 << 1,
+    MODE_8BIT_BYTE: 1 << 2,
+    MODE_KANJI: 1 << 3,
+  };
+  var QRErrorCorrectLevel = { L: 1, M: 0, Q: 3, H: 2 };
+  var QRMaskPattern = {
+    PATTERN000: 0,
+    PATTERN001: 1,
+    PATTERN010: 2,
+    PATTERN011: 3,
+    PATTERN100: 4,
+    PATTERN101: 5,
+    PATTERN110: 6,
+    PATTERN111: 7,
+  };
+  var QRUtil = {
+    PATTERN_POSITION_TABLE: [
+      [],
+      [6, 18],
+      [6, 22],
+      [6, 26],
+      [6, 30],
+      [6, 34],
+      [6, 22, 38],
+      [6, 24, 42],
+      [6, 26, 46],
+      [6, 28, 50],
+      [6, 30, 54],
+      [6, 32, 58],
+      [6, 34, 62],
+      [6, 26, 46, 66],
+      [6, 26, 48, 70],
+      [6, 26, 50, 74],
+      [6, 30, 54, 78],
+      [6, 30, 56, 82],
+      [6, 30, 58, 86],
+      [6, 34, 62, 90],
+      [6, 28, 50, 72, 94],
+      [6, 26, 50, 74, 98],
+      [6, 30, 54, 78, 102],
+      [6, 28, 54, 80, 106],
+      [6, 32, 58, 84, 110],
+      [6, 30, 58, 86, 114],
+      [6, 34, 62, 90, 118],
+      [6, 26, 50, 74, 98, 122],
+      [6, 30, 54, 78, 102, 126],
+      [6, 26, 52, 78, 104, 130],
+      [6, 30, 56, 82, 108, 134],
+      [6, 34, 60, 86, 112, 138],
+      [6, 30, 58, 86, 114, 142],
+      [6, 34, 62, 90, 118, 146],
+      [6, 30, 54, 78, 102, 126, 150],
+      [6, 24, 50, 76, 102, 128, 154],
+      [6, 28, 54, 80, 106, 132, 158],
+      [6, 32, 58, 84, 110, 136, 162],
+      [6, 26, 54, 82, 110, 138, 166],
+      [6, 30, 58, 86, 114, 142, 170],
+    ],
+    G15:
+      (1 << 10) |
+      (1 << 8) |
+      (1 << 5) |
+      (1 << 4) |
+      (1 << 2) |
+      (1 << 1) |
+      (1 << 0),
+    G18:
+      (1 << 12) |
+      (1 << 11) |
+      (1 << 10) |
+      (1 << 9) |
+      (1 << 8) |
+      (1 << 5) |
+      (1 << 2) |
+      (1 << 0),
+    G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
+    getBCHTypeInfo(data) {
+      var d = data << 10;
+      while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
+        d ^=
+          QRUtil.G15 <<
+          (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15));
+      }
+      return ((data << 10) | d) ^ QRUtil.G15_MASK;
+    },
+    getBCHTypeNumber(data) {
+      var d = data << 12;
+      while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
+        d ^=
+          QRUtil.G18 <<
+          (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18));
+      }
+      return (data << 12) | d;
+    },
+    getBCHDigit(data) {
+      var digit = 0;
+      while (data != 0) {
+        digit++;
+        data >>>= 1;
+      }
+      return digit;
+    },
+    getPatternPosition(typeNumber) {
+      return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
+    },
+    getMask(maskPattern, i, j) {
+      switch (maskPattern) {
+        case QRMaskPattern.PATTERN000:
+          return (i + j) % 2 == 0;
+        case QRMaskPattern.PATTERN001:
+          return i % 2 == 0;
+        case QRMaskPattern.PATTERN010:
+          return j % 3 == 0;
+        case QRMaskPattern.PATTERN011:
+          return (i + j) % 3 == 0;
+        case QRMaskPattern.PATTERN100:
+          return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
+        case QRMaskPattern.PATTERN101:
+          return ((i * j) % 2) + ((i * j) % 3) == 0;
+        case QRMaskPattern.PATTERN110:
+          return (((i * j) % 2) + ((i * j) % 3)) % 2 == 0;
+        case QRMaskPattern.PATTERN111:
+          return (((i * j) % 3) + ((i + j) % 2)) % 2 == 0;
+        default:
+          throw new Error("bad maskPattern:" + maskPattern);
+      }
+    },
+    getErrorCorrectPolynomial(errorCorrectLength) {
+      var a = new QRPolynomial([1], 0);
+      for (var i = 0; i < errorCorrectLength; i++) {
+        a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0));
+      }
+      return a;
+    },
+    getLengthInBits(mode, type) {
+      if (1 <= type && type < 10) {
+        switch (mode) {
+          case QRMode.MODE_NUMBER:
+            return 10;
+          case QRMode.MODE_ALPHA_NUM:
+            return 9;
+          case QRMode.MODE_8BIT_BYTE:
+            return 8;
+          case QRMode.MODE_KANJI:
+            return 8;
+          default:
+            throw new Error("mode:" + mode);
+        }
+      } else if (type < 27) {
+        switch (mode) {
+          case QRMode.MODE_NUMBER:
+            return 12;
+          case QRMode.MODE_ALPHA_NUM:
+            return 11;
+          case QRMode.MODE_8BIT_BYTE:
+            return 16;
+          case QRMode.MODE_KANJI:
+            return 10;
+          default:
+            throw new Error("mode:" + mode);
+        }
+      } else if (type < 41) {
+        switch (mode) {
+          case QRMode.MODE_NUMBER:
+            return 14;
+          case QRMode.MODE_ALPHA_NUM:
+            return 13;
+          case QRMode.MODE_8BIT_BYTE:
+            return 16;
+          case QRMode.MODE_KANJI:
+            return 12;
+          default:
+            throw new Error("mode:" + mode);
+        }
+      } else {
+        throw new Error("type:" + type);
+      }
+    },
+    getLostPoint(qrCode) {
+      var moduleCount = qrCode.getModuleCount();
+      var lostPoint = 0;
+      for (var row = 0; row < moduleCount; row++) {
+        for (var col = 0; col < moduleCount; col++) {
+          var sameCount = 0;
+          var dark = qrCode.isDark(row, col);
+          for (var r = -1; r <= 1; r++) {
+            if (row + r < 0 || moduleCount <= row + r) {
+              continue;
+            }
+            for (var c = -1; c <= 1; c++) {
+              if (col + c < 0 || moduleCount <= col + c) {
+                continue;
+              }
+              if (r == 0 && c == 0) {
+                continue;
+              }
+              if (dark == qrCode.isDark(row + r, col + c)) {
+                sameCount++;
+              }
+            }
+          }
+          if (sameCount > 5) {
+            lostPoint += 3 + sameCount - 5;
+          }
+        }
+      }
+      for (var row = 0; row < moduleCount - 1; row++) {
+        for (var col = 0; col < moduleCount - 1; col++) {
+          var count = 0;
+          if (qrCode.isDark(row, col)) {
+            count++;
+          }
+          if (qrCode.isDark(row + 1, col)) {
+            count++;
+          }
+          if (qrCode.isDark(row, col + 1)) {
+            count++;
+          }
+          if (qrCode.isDark(row + 1, col + 1)) {
+            count++;
+          }
+          if (count == 0 || count == 4) {
+            lostPoint += 3;
+          }
+        }
+      }
+      for (var row = 0; row < moduleCount; row++) {
+        for (var col = 0; col < moduleCount - 6; col++) {
+          if (
+            qrCode.isDark(row, col) &&
+            !qrCode.isDark(row, col + 1) &&
+            qrCode.isDark(row, col + 2) &&
+            qrCode.isDark(row, col + 3) &&
+            qrCode.isDark(row, col + 4) &&
+            !qrCode.isDark(row, col + 5) &&
+            qrCode.isDark(row, col + 6)
+          ) {
+            lostPoint += 40;
+          }
+        }
+      }
+      for (var col = 0; col < moduleCount; col++) {
+        for (var row = 0; row < moduleCount - 6; row++) {
+          if (
+            qrCode.isDark(row, col) &&
+            !qrCode.isDark(row + 1, col) &&
+            qrCode.isDark(row + 2, col) &&
+            qrCode.isDark(row + 3, col) &&
+            qrCode.isDark(row + 4, col) &&
+            !qrCode.isDark(row + 5, col) &&
+            qrCode.isDark(row + 6, col)
+          ) {
+            lostPoint += 40;
+          }
+        }
+      }
+      var darkCount = 0;
+      for (var col = 0; col < moduleCount; col++) {
+        for (var row = 0; row < moduleCount; row++) {
+          if (qrCode.isDark(row, col)) {
+            darkCount++;
+          }
+        }
+      }
+      var ratio =
+        Math.abs((100 * darkCount) / moduleCount / moduleCount - 50) / 5;
+      lostPoint += ratio * 10;
+      return lostPoint;
+    },
+  };
+  var QRMath = {
+    glog(n) {
+      if (n < 1) {
+        throw new Error("glog(" + n + ")");
+      }
+      return QRMath.LOG_TABLE[n];
+    },
+    gexp(n) {
+      while (n < 0) {
+        n += 255;
+      }
+      while (n >= 256) {
+        n -= 255;
+      }
+      return QRMath.EXP_TABLE[n];
+    },
+    EXP_TABLE: new Array(256),
+    LOG_TABLE: new Array(256),
+  };
+  for (var i = 0; i < 8; i++) {
+    QRMath.EXP_TABLE[i] = 1 << i;
+  }
+  for (var i = 8; i < 256; i++) {
+    QRMath.EXP_TABLE[i] =
+      QRMath.EXP_TABLE[i - 4] ^
+      QRMath.EXP_TABLE[i - 5] ^
+      QRMath.EXP_TABLE[i - 6] ^
+      QRMath.EXP_TABLE[i - 8];
+  }
+  for (var i = 0; i < 255; i++) {
+    QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;
+  }
+  function QRPolynomial(num, shift) {
+    if (num.length == undefined) {
+      throw new Error(num.length + "/" + shift);
+    }
+    var offset = 0;
+    while (offset < num.length && num[offset] == 0) {
+      offset++;
+    }
+    this.num = new Array(num.length - offset + shift);
+    for (var i = 0; i < num.length - offset; i++) {
+      this.num[i] = num[i + offset];
+    }
+  }
+  QRPolynomial.prototype = {
+    get(index) {
+      return this.num[index];
+    },
+    getLength() {
+      return this.num.length;
+    },
+    multiply(e) {
+      var num = new Array(this.getLength() + e.getLength() - 1);
+      for (var i = 0; i < this.getLength(); i++) {
+        for (var j = 0; j < e.getLength(); j++) {
+          num[i + j] ^= QRMath.gexp(
+            QRMath.glog(this.get(i)) + QRMath.glog(e.get(j))
+          );
+        }
+      }
+      return new QRPolynomial(num, 0);
+    },
+    mod(e) {
+      if (this.getLength() - e.getLength() < 0) {
+        return this;
+      }
+      var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0));
+      var num = new Array(this.getLength());
+      for (var i = 0; i < this.getLength(); i++) {
+        num[i] = this.get(i);
+      }
+      for (var i = 0; i < e.getLength(); i++) {
+        num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio);
+      }
+      return new QRPolynomial(num, 0).mod(e);
+    },
+  };
+  function QRRSBlock(totalCount, dataCount) {
+    this.totalCount = totalCount;
+    this.dataCount = dataCount;
+  }
+  QRRSBlock.RS_BLOCK_TABLE = [
+    [1, 26, 19],
+    [1, 26, 16],
+    [1, 26, 13],
+    [1, 26, 9],
+    [1, 44, 34],
+    [1, 44, 28],
+    [1, 44, 22],
+    [1, 44, 16],
+    [1, 70, 55],
+    [1, 70, 44],
+    [2, 35, 17],
+    [2, 35, 13],
+    [1, 100, 80],
+    [2, 50, 32],
+    [2, 50, 24],
+    [4, 25, 9],
+    [1, 134, 108],
+    [2, 67, 43],
+    [2, 33, 15, 2, 34, 16],
+    [2, 33, 11, 2, 34, 12],
+    [2, 86, 68],
+    [4, 43, 27],
+    [4, 43, 19],
+    [4, 43, 15],
+    [2, 98, 78],
+    [4, 49, 31],
+    [2, 32, 14, 4, 33, 15],
+    [4, 39, 13, 1, 40, 14],
+    [2, 121, 97],
+    [2, 60, 38, 2, 61, 39],
+    [4, 40, 18, 2, 41, 19],
+    [4, 40, 14, 2, 41, 15],
+    [2, 146, 116],
+    [3, 58, 36, 2, 59, 37],
+    [4, 36, 16, 4, 37, 17],
+    [4, 36, 12, 4, 37, 13],
+    [2, 86, 68, 2, 87, 69],
+    [4, 69, 43, 1, 70, 44],
+    [6, 43, 19, 2, 44, 20],
+    [6, 43, 15, 2, 44, 16],
+    [4, 101, 81],
+    [1, 80, 50, 4, 81, 51],
+    [4, 50, 22, 4, 51, 23],
+    [3, 36, 12, 8, 37, 13],
+    [2, 116, 92, 2, 117, 93],
+    [6, 58, 36, 2, 59, 37],
+    [4, 46, 20, 6, 47, 21],
+    [7, 42, 14, 4, 43, 15],
+    [4, 133, 107],
+    [8, 59, 37, 1, 60, 38],
+    [8, 44, 20, 4, 45, 21],
+    [12, 33, 11, 4, 34, 12],
+    [3, 145, 115, 1, 146, 116],
+    [4, 64, 40, 5, 65, 41],
+    [11, 36, 16, 5, 37, 17],
+    [11, 36, 12, 5, 37, 13],
+    [5, 109, 87, 1, 110, 88],
+    [5, 65, 41, 5, 66, 42],
+    [5, 54, 24, 7, 55, 25],
+    [11, 36, 12],
+    [5, 122, 98, 1, 123, 99],
+    [7, 73, 45, 3, 74, 46],
+    [15, 43, 19, 2, 44, 20],
+    [3, 45, 15, 13, 46, 16],
+    [1, 135, 107, 5, 136, 108],
+    [10, 74, 46, 1, 75, 47],
+    [1, 50, 22, 15, 51, 23],
+    [2, 42, 14, 17, 43, 15],
+    [5, 150, 120, 1, 151, 121],
+    [9, 69, 43, 4, 70, 44],
+    [17, 50, 22, 1, 51, 23],
+    [2, 42, 14, 19, 43, 15],
+    [3, 141, 113, 4, 142, 114],
+    [3, 70, 44, 11, 71, 45],
+    [17, 47, 21, 4, 48, 22],
+    [9, 39, 13, 16, 40, 14],
+    [3, 135, 107, 5, 136, 108],
+    [3, 67, 41, 13, 68, 42],
+    [15, 54, 24, 5, 55, 25],
+    [15, 43, 15, 10, 44, 16],
+    [4, 144, 116, 4, 145, 117],
+    [17, 68, 42],
+    [17, 50, 22, 6, 51, 23],
+    [19, 46, 16, 6, 47, 17],
+    [2, 139, 111, 7, 140, 112],
+    [17, 74, 46],
+    [7, 54, 24, 16, 55, 25],
+    [34, 37, 13],
+    [4, 151, 121, 5, 152, 122],
+    [4, 75, 47, 14, 76, 48],
+    [11, 54, 24, 14, 55, 25],
+    [16, 45, 15, 14, 46, 16],
+    [6, 147, 117, 4, 148, 118],
+    [6, 73, 45, 14, 74, 46],
+    [11, 54, 24, 16, 55, 25],
+    [30, 46, 16, 2, 47, 17],
+    [8, 132, 106, 4, 133, 107],
+    [8, 75, 47, 13, 76, 48],
+    [7, 54, 24, 22, 55, 25],
+    [22, 45, 15, 13, 46, 16],
+    [10, 142, 114, 2, 143, 115],
+    [19, 74, 46, 4, 75, 47],
+    [28, 50, 22, 6, 51, 23],
+    [33, 46, 16, 4, 47, 17],
+    [8, 152, 122, 4, 153, 123],
+    [22, 73, 45, 3, 74, 46],
+    [8, 53, 23, 26, 54, 24],
+    [12, 45, 15, 28, 46, 16],
+    [3, 147, 117, 10, 148, 118],
+    [3, 73, 45, 23, 74, 46],
+    [4, 54, 24, 31, 55, 25],
+    [11, 45, 15, 31, 46, 16],
+    [7, 146, 116, 7, 147, 117],
+    [21, 73, 45, 7, 74, 46],
+    [1, 53, 23, 37, 54, 24],
+    [19, 45, 15, 26, 46, 16],
+    [5, 145, 115, 10, 146, 116],
+    [19, 75, 47, 10, 76, 48],
+    [15, 54, 24, 25, 55, 25],
+    [23, 45, 15, 25, 46, 16],
+    [13, 145, 115, 3, 146, 116],
+    [2, 74, 46, 29, 75, 47],
+    [42, 54, 24, 1, 55, 25],
+    [23, 45, 15, 28, 46, 16],
+    [17, 145, 115],
+    [10, 74, 46, 23, 75, 47],
+    [10, 54, 24, 35, 55, 25],
+    [19, 45, 15, 35, 46, 16],
+    [17, 145, 115, 1, 146, 116],
+    [14, 74, 46, 21, 75, 47],
+    [29, 54, 24, 19, 55, 25],
+    [11, 45, 15, 46, 46, 16],
+    [13, 145, 115, 6, 146, 116],
+    [14, 74, 46, 23, 75, 47],
+    [44, 54, 24, 7, 55, 25],
+    [59, 46, 16, 1, 47, 17],
+    [12, 151, 121, 7, 152, 122],
+    [12, 75, 47, 26, 76, 48],
+    [39, 54, 24, 14, 55, 25],
+    [22, 45, 15, 41, 46, 16],
+    [6, 151, 121, 14, 152, 122],
+    [6, 75, 47, 34, 76, 48],
+    [46, 54, 24, 10, 55, 25],
+    [2, 45, 15, 64, 46, 16],
+    [17, 152, 122, 4, 153, 123],
+    [29, 74, 46, 14, 75, 47],
+    [49, 54, 24, 10, 55, 25],
+    [24, 45, 15, 46, 46, 16],
+    [4, 152, 122, 18, 153, 123],
+    [13, 74, 46, 32, 75, 47],
+    [48, 54, 24, 14, 55, 25],
+    [42, 45, 15, 32, 46, 16],
+    [20, 147, 117, 4, 148, 118],
+    [40, 75, 47, 7, 76, 48],
+    [43, 54, 24, 22, 55, 25],
+    [10, 45, 15, 67, 46, 16],
+    [19, 148, 118, 6, 149, 119],
+    [18, 75, 47, 31, 76, 48],
+    [34, 54, 24, 34, 55, 25],
+    [20, 45, 15, 61, 46, 16],
+  ];
+  QRRSBlock.getRSBlocks = function(typeNumber, errorCorrectLevel) {
+    var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
+    if (rsBlock == undefined) {
+      throw new Error(
+        "bad rs block @ typeNumber:" +
+          typeNumber +
+          "/errorCorrectLevel:" +
+          errorCorrectLevel
+      );
+    }
+    var length = rsBlock.length / 3;
+    var list = [];
+    for (var i = 0; i < length; i++) {
+      var count = rsBlock[i * 3 + 0];
+      var totalCount = rsBlock[i * 3 + 1];
+      var dataCount = rsBlock[i * 3 + 2];
+      for (var j = 0; j < count; j++) {
+        list.push(new QRRSBlock(totalCount, dataCount));
+      }
+    }
+    return list;
+  };
+  QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) {
+    switch (errorCorrectLevel) {
+      case QRErrorCorrectLevel.L:
+        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
+      case QRErrorCorrectLevel.M:
+        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
+      case QRErrorCorrectLevel.Q:
+        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
+      case QRErrorCorrectLevel.H:
+        return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
+      default:
+        return undefined;
+    }
+  };
+  function QRBitBuffer() {
+    this.buffer = [];
+    this.length = 0;
+  }
+  QRBitBuffer.prototype = {
+    get(index) {
+      var bufIndex = Math.floor(index / 8);
+      return ((this.buffer[bufIndex] >>> (7 - (index % 8))) & 1) == 1;
+    },
+    put(num, length) {
+      for (var i = 0; i < length; i++) {
+        this.putBit(((num >>> (length - i - 1)) & 1) == 1);
+      }
+    },
+    getLengthInBits() {
+      return this.length;
+    },
+    putBit(bit) {
+      var bufIndex = Math.floor(this.length / 8);
+      if (this.buffer.length <= bufIndex) {
+        this.buffer.push(0);
+      }
+      if (bit) {
+        this.buffer[bufIndex] |= 0x80 >>> this.length % 8;
+      }
+      this.length++;
+    },
+  };
+  var QRCodeLimitLength = [
+    [17, 14, 11, 7],
+    [32, 26, 20, 14],
+    [53, 42, 32, 24],
+    [78, 62, 46, 34],
+    [106, 84, 60, 44],
+    [134, 106, 74, 58],
+    [154, 122, 86, 64],
+    [192, 152, 108, 84],
+    [230, 180, 130, 98],
+    [271, 213, 151, 119],
+    [321, 251, 177, 137],
+    [367, 287, 203, 155],
+    [425, 331, 241, 177],
+    [458, 362, 258, 194],
+    [520, 412, 292, 220],
+    [586, 450, 322, 250],
+    [644, 504, 364, 280],
+    [718, 560, 394, 310],
+    [792, 624, 442, 338],
+    [858, 666, 482, 382],
+    [929, 711, 509, 403],
+    [1003, 779, 565, 439],
+    [1091, 857, 611, 461],
+    [1171, 911, 661, 511],
+    [1273, 997, 715, 535],
+    [1367, 1059, 751, 593],
+    [1465, 1125, 805, 625],
+    [1528, 1190, 868, 658],
+    [1628, 1264, 908, 698],
+    [1732, 1370, 982, 742],
+    [1840, 1452, 1030, 790],
+    [1952, 1538, 1112, 842],
+    [2068, 1628, 1168, 898],
+    [2188, 1722, 1228, 958],
+    [2303, 1809, 1283, 983],
+    [2431, 1911, 1351, 1051],
+    [2563, 1989, 1423, 1093],
+    [2699, 2099, 1499, 1139],
+    [2809, 2213, 1579, 1219],
+    [2953, 2331, 1663, 1273],
+  ];
+
+  var svgDrawer = (function() {
+    var Drawing = function(el, htOption) {
+      this._el = el;
+      this._htOption = htOption;
+    };
+
+    Drawing.prototype.draw = function(oQRCode) {
+      var _htOption = this._htOption;
+      var _el = this._el;
+      var nCount = oQRCode.getModuleCount();
+
+      this.clear();
+
+      function makeSVG(tag, attrs) {
+        var el = _el.ownerDocument.createElementNS(
+          "http://www.w3.org/2000/svg",
+          tag
+        );
+        for (var k in attrs) {
+          if (attrs.hasOwnProperty(k)) {
+            el.setAttribute(k, attrs[k]);
+          }
+        }
+        return el;
+      }
+
+      var svg = makeSVG("svg", {
+        viewBox: "0 0 " + String(nCount) + " " + String(nCount),
+        width: "100%",
+        height: "100%",
+        fill: _htOption.colorLight,
+        "shape-rendering": "crispEdges",
+      });
+      svg.setAttributeNS(
+        "http://www.w3.org/2000/xmlns/",
+        "xmlns",
+        "http://www.w3.org/2000/svg"
+      );
+      _el.appendChild(svg);
+
+      svg.appendChild(
+        makeSVG("rect", {
+          fill: _htOption.colorLight,
+          width: "100%",
+          height: "100%",
+        })
+      );
+
+      var path = [];
+      for (var row = 0; row < nCount; row++) {
+        for (var col = 0; col < nCount; col++) {
+          var width = 0;
+          while (col + width < nCount && oQRCode.isDark(row, col + width)) {
+            width++;
+          }
+
+          if (width > 0) {
+            path.push("M" + col + " " + row + "v1h" + width + "v-1z");
+            col += width;
+          }
+        }
+      }
+      var child = makeSVG("path", {
+        d: path.join(""),
+        fill: _htOption.colorDark,
+      });
+      svg.appendChild(child);
+    };
+    Drawing.prototype.clear = function() {
+      while (this._el.hasChildNodes()) {
+        this._el.removeChild(this._el.lastChild);
+      }
+    };
+    return Drawing;
+  })();
+
+  /**
+   * Get the type by string length
+   *
+   * @private
+   * @param {String} sText
+   * @param {Number} nCorrectLevel
+   * @return {Number} type
+   */
+  function _getTypeNumber(sText, nCorrectLevel) {
+    var nType = 1;
+    var length = _getUTF8Length(sText);
+
+    for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
+      var nLimit = 0;
+
+      switch (nCorrectLevel) {
+        case QRErrorCorrectLevel.L:
+          nLimit = QRCodeLimitLength[i][0];
+          break;
+        case QRErrorCorrectLevel.M:
+          nLimit = QRCodeLimitLength[i][1];
+          break;
+        case QRErrorCorrectLevel.Q:
+          nLimit = QRCodeLimitLength[i][2];
+          break;
+        case QRErrorCorrectLevel.H:
+          nLimit = QRCodeLimitLength[i][3];
+          break;
+      }
+
+      if (length <= nLimit) {
+        break;
+      } else {
+        nType++;
+      }
+    }
+
+    if (nType > QRCodeLimitLength.length) {
+      throw new Error("Too long data");
+    }
+
+    return nType;
+  }
+
+  function _getUTF8Length(sText) {
+    var replacedText = encodeURI(sText)
+      .toString()
+      .replace(/\%[0-9a-fA-F]{2}/g, "a");
+    return replacedText.length + (replacedText.length != sText ? 3 : 0);
+  }
+
+  /**
+   * @class QRCode
+   * @constructor
+   * @example
+   * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
+   *
+   * @example
+   * var oQRCode = new QRCode("test", {
+   *    text : "http://naver.com",
+   *    width : 128,
+   *    height : 128
+   * });
+   *
+   * oQRCode.clear(); // Clear the QRCode.
+   * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
+   *
+   * @param {HTMLElement} el target element
+   * @param {Object|String} vOption
+   * @param {String} vOption.text QRCode link data
+   * @param {Number} [vOption.width=256]
+   * @param {Number} [vOption.height=256]
+   * @param {String} [vOption.colorDark="#000000"]
+   * @param {String} [vOption.colorLight="#ffffff"]
+   * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H]
+   */
+  QRCode = function(el, vOption) {
+    this._htOption = {
+      width: 256,
+      height: 256,
+      typeNumber: 4,
+      colorDark: "#000000",
+      colorLight: "#ffffff",
+      correctLevel: QRErrorCorrectLevel.H,
+    };
+
+    if (typeof vOption === "string") {
+      vOption = {
+        text: vOption,
+      };
+    }
+
+    // Overwrites options
+    if (vOption) {
+      for (var i in vOption) {
+        this._htOption[i] = vOption[i];
+      }
+    }
+
+    this._el = el;
+    this._oQRCode = null;
+    this._oDrawing = new svgDrawer(this._el, this._htOption);
+
+    if (this._htOption.text) {
+      this.makeCode(this._htOption.text);
+    }
+  };
+
+  /**
+   * Make the QRCode
+   *
+   * @param {String} sText link data
+   */
+  QRCode.prototype.makeCode = function(sText) {
+    this._oQRCode = new QRCodeModel(
+      _getTypeNumber(sText, this._htOption.correctLevel),
+      this._htOption.correctLevel
+    );
+    this._oQRCode.addData(sText);
+    this._oQRCode.make();
+    this._oDrawing.draw(this._oQRCode);
+  };
+
+  /**
+   * Clear the QRCode
+   */
+  QRCode.prototype.clear = function() {
+    this._oDrawing.clear();
+  };
+
+  /**
+   * @name QRCode.CorrectLevel
+   */
+  QRCode.CorrectLevel = QRErrorCorrectLevel;
+})();
diff --git a/toolkit/modules/moz.build b/toolkit/modules/moz.build
index e77c33869b621..5523a8975a898 100644
--- a/toolkit/modules/moz.build
+++ b/toolkit/modules/moz.build
@@ -202,6 +202,7 @@ EXTRA_JS_MODULES += [
     "Promise-backend.js",
     "Promise.jsm",
     "PromiseUtils.jsm",
+    "QRCode.jsm",
     "Region.jsm",
     "RemotePageAccessManager.jsm",
     "ResetProfile.jsm",

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