From 2fefad437e1052178bec377bfc9f776a14cedc72 Mon Sep 17 00:00:00 2001 From: RainLoop Team Date: Thu, 26 May 2016 22:37:02 +0300 Subject: [PATCH] Stop using Google Charts for the 2-Factor-Auth QR-Code (#1044) --- dev/View/Popup/TwoFactorConfiguration.js | 21 +- gulpfile.js | 1 + .../0.0.0/app/libraries/RainLoop/Actions.php | 10 +- vendors/qr.js/AUTHORS.md | 7 + vendors/qr.js/CHANGES.md | 60 + vendors/qr.js/CONTRIBUTING.md | 59 + vendors/qr.js/INSTALL.md | 46 + vendors/qr.js/LICENSE.md | 14 + vendors/qr.js/README.md | 290 ++++ vendors/qr.js/bower.json | 38 + vendors/qr.js/package.json | 40 + vendors/qr.js/qr.js | 1217 +++++++++++++++++ vendors/qr.js/qr.min.js | 5 + vendors/qr.js/qr.min.map | 1 + webpack.config.js | 1 + 15 files changed, 1802 insertions(+), 8 deletions(-) create mode 100644 vendors/qr.js/AUTHORS.md create mode 100644 vendors/qr.js/CHANGES.md create mode 100644 vendors/qr.js/CONTRIBUTING.md create mode 100644 vendors/qr.js/INSTALL.md create mode 100644 vendors/qr.js/LICENSE.md create mode 100644 vendors/qr.js/README.md create mode 100644 vendors/qr.js/bower.json create mode 100644 vendors/qr.js/package.json create mode 100644 vendors/qr.js/qr.js create mode 100644 vendors/qr.js/qr.min.js create mode 100644 vendors/qr.js/qr.min.map diff --git a/dev/View/Popup/TwoFactorConfiguration.js b/dev/View/Popup/TwoFactorConfiguration.js index 1f9a961f2..6910482ff 100644 --- a/dev/View/Popup/TwoFactorConfiguration.js +++ b/dev/View/Popup/TwoFactorConfiguration.js @@ -7,6 +7,7 @@ window = require('window'), _ = require('_'), ko = require('ko'), + qr = require('qr'), Enums = require('Common/Enums'), Utils = require('Common/Utils'), @@ -43,6 +44,7 @@ this.viewSecret = ko.observable(''); this.viewBackupCodes = ko.observable(''); + this.viewUrlTitle = ko.observable(''); this.viewUrl = ko.observable(''); this.viewEnable_ = ko.observable(false); @@ -125,6 +127,7 @@ { this.viewSecret(''); this.viewBackupCodes(''); + this.viewUrlTitle(''); this.viewUrl(''); }; @@ -148,6 +151,7 @@ { this.viewSecret(''); this.viewBackupCodes(''); + this.viewUrlTitle(''); this.viewUrl(''); this.twoFactorTested(false); @@ -162,6 +166,7 @@ this.viewSecret(''); this.viewBackupCodes(''); + this.viewUrlTitle(''); this.viewUrl(''); }; @@ -173,6 +178,13 @@ } }; + TwoFactorConfigurationPopupView.prototype.getQr = function () + { + return 'otpauth://totp/' + window.encodeURIComponent(this.viewUser()) + + '?secret=' + window.encodeURIComponent(this.viewSecret()) + + '&issuer=' + window.encodeURIComponent(''); + }; + TwoFactorConfigurationPopupView.prototype.onResult = function (sResult, oData) { this.processing(false); @@ -187,7 +199,9 @@ this.viewSecret(Utils.pString(oData.Result.Secret)); this.viewBackupCodes(Utils.pString(oData.Result.BackupCodes).replace(/[\s]+/g, ' ')); - this.viewUrl(Utils.pString(oData.Result.Url)); + + this.viewUrlTitle(Utils.pString(oData.Result.UrlTitle)); + this.viewUrl(qr.toDataURL({level: 'M', size: 8, value: this.getQr()})); } else { @@ -198,6 +212,7 @@ this.viewSecret(''); this.viewBackupCodes(''); + this.viewUrlTitle(''); this.viewUrl(''); } }; @@ -209,11 +224,13 @@ if (Enums.StorageResultType.Success === sResult && oData && oData.Result) { this.viewSecret(Utils.pString(oData.Result.Secret)); - this.viewUrl(Utils.pString(oData.Result.Url)); + this.viewUrlTitle(Utils.pString(oData.Result.UrlTitle)); + this.viewUrl(qr.toDataURL({level: 'M', size: 6, value: this.getQr()})); } else { this.viewSecret(''); + this.viewUrlTitle(''); this.viewUrl(''); } }; diff --git a/gulpfile.js b/gulpfile.js index 53b20168b..9b355db4c 100644 --- a/gulpfile.js +++ b/gulpfile.js @@ -201,6 +201,7 @@ cfg.paths.js = { 'vendors/lightGallery/dist/js/lg-autoplay.min.js', 'vendors/keymaster/keymaster.min.js', 'vendors/ifvisible/ifvisible.min.js', + 'vendors/qr.js/qr.min.js', 'vendors/bootstrap/js/bootstrap.min.js' ] }, diff --git a/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php b/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php index eeb864174..1eb0d0f26 100644 --- a/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php +++ b/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php @@ -6722,7 +6722,7 @@ NewThemeLink IncludeCss LoadingDescriptionEsc TemplatesLink LangLink IncludeBack 'IsSet' => false, 'Enable' => false, 'Secret' => '', - 'Url' => '', + 'UrlTitle' => '', 'BackupCodes' => '' ); @@ -6749,9 +6749,7 @@ NewThemeLink IncludeCss LoadingDescriptionEsc TemplatesLink LangLink IncludeBack $aResult['Enable'] = isset($mData['Enable']) ? !!$mData['Enable'] : false; $aResult['Secret'] = $mData['Secret']; $aResult['BackupCodes'] = $mData['BackupCodes']; - - $aResult['Url'] = $this->TwoFactorAuthProvider()->GetQRCodeGoogleUrl( - $aResult['User'], $aResult['Secret'], $this->Config()->Get('webmail', 'title', '')); + $aResult['UrlTitle'] = $this->Config()->Get('webmail', 'title', ''); } if ($bRemoveSecret) @@ -6761,9 +6759,9 @@ NewThemeLink IncludeCss LoadingDescriptionEsc TemplatesLink LangLink IncludeBack unset($aResult['Secret']); } - if (isset($aResult['Url'])) + if (isset($aResult['UrlTitle'])) { - unset($aResult['Url']); + unset($aResult['UrlTitle']); } if (isset($aResult['BackupCodes'])) diff --git a/vendors/qr.js/AUTHORS.md b/vendors/qr.js/AUTHORS.md new file mode 100644 index 000000000..0fa53ceee --- /dev/null +++ b/vendors/qr.js/AUTHORS.md @@ -0,0 +1,7 @@ +# Authors ordered by first contribution + +* tz +* Alasdair Mercer +* Alexandre Perrin +* Michael Mason +* Benjamin Besse diff --git a/vendors/qr.js/CHANGES.md b/vendors/qr.js/CHANGES.md new file mode 100644 index 000000000..08a1f2d7f --- /dev/null +++ b/vendors/qr.js/CHANGES.md @@ -0,0 +1,60 @@ +## Version 1.1.4, 2015.11.11 + +* [#2](https://github.com/neocotic/qr.js/issues/2): Fix padding issues +* [#35](https://github.com/neocotic/qr.js/pull/35): Make the QR-code center-aligned +* [#38](https://github.com/neocotic/qr.js/pull/38): Update node-canvas dependency version to support Node.js v4 and above + +## Version 1.1.3, 2014.09.01 + +* [#23](https://github.com/neocotic/qr.js/issues/23): Revert back to [GPL License][] + +## Version 1.1.2, 2014.04.27 + +* [#20](https://github.com/neocotic/qr.js/issues/20): Fix "too many open files" bug + +## Version 1.1.1, 2013.12.03 + +* Fix bug with IIFE + +## Version 1.1.0, 2013.12.02 + +* [#9](https://github.com/neocotic/qr.js/issues/9): Fix RequireJS support +* [#13](https://github.com/neocotic/qr.js/issues/13): Remove [Ender][] support +* [#14](https://github.com/neocotic/qr.js/issues/14): Improve code formatting and style +* [#16](https://github.com/neocotic/qr.js/issues/16): Support different MIME types for `toDataURL` and other related functions +* [#17](https://github.com/neocotic/qr.js/issues/17): Remove unnecessary callback arguments from synchronous functions +* [#17](https://github.com/neocotic/qr.js/issues/17): Make `save` fully asynchronous +* [#17](https://github.com/neocotic/qr.js/issues/17): Add `saveSync` for synchronous saving +* [#18](https://github.com/neocotic/qr.js/issues/18): Add [Grunt][] build system +* [#18](https://github.com/neocotic/qr.js/issues/18): Generate source map as part of build +* [#18](https://github.com/neocotic/qr.js/issues/18): Improve developer documentation +* [#19](https://github.com/neocotic/qr.js/issues/19): Add support for [Bower][] +* Many small fixes and tweaks + +## Version 1.0.3, 2011.12.19 + +* [#3](https://github.com/neocotic/qr.js/issues/3): Rename `QRCode` to `qr` +* [#3](https://github.com/neocotic/qr.js/issues/3): Remove all deprecated methods +* [#4](https://github.com/neocotic/qr.js/issues/4): Reformat code and add additional, along with some original, code comments +* [#6](https://github.com/neocotic/qr.js/issues/6): Add support for [Node.js][], [CommonJS][] and [Ender][] +* [#6](https://github.com/neocotic/qr.js/issues/6): Add optional `callback` functionality to API methods +* [#7](https://github.com/neocotic/qr.js/issues/7): Allow `data` arguments to be an object or string value +* [#8](https://github.com/neocotic/qr.js/issues/8): Add `VERSION` property to the API +* [#8](https://github.com/neocotic/qr.js/issues/8): Add `toDataURL`, `save` and `noConflict` methods to the API +* Now distributed under the [MIT License][] + +## Version 1.0.2, 2011.08.31 + +* [#1](https://github.com/neocotic/qr.js/issues/1): Deprecate `generateCanvas` and `generateImage` and replaced with `canvas` and `image` respectively + +## Version 1.0.1, 2011.08.12 + +* Allow customisation of colours used when rendering + +[bower]: http://bower.io +[commonjs]: http://commonjs.org +[ender]: http://ender.no.de +[gpl license]: http://www.gnu.org/licenses/ +[grunt]: http://gruntjs.com +[mit license]: http://en.wikipedia.org/wiki/MIT_License +[node.js]: http://nodejs.org diff --git a/vendors/qr.js/CONTRIBUTING.md b/vendors/qr.js/CONTRIBUTING.md new file mode 100644 index 000000000..de239d8be --- /dev/null +++ b/vendors/qr.js/CONTRIBUTING.md @@ -0,0 +1,59 @@ +# Contributing + +Here are some guidelines that we'd like contributors to follow so that we can have a chance of +keeping things right. + +## Getting Starting + +* Make sure you have a [GitHub account](https://github.com/signup/free) +* Submit a ticket for your issue if one does not already exist + * Clearly describe the issue including steps to reproduce when it is a bug + * Include the earliest version that you know has the issue +* Fork the repository on GitHub +* Read the `INSTALL.md` file + +## Making Changes + +* Create a topic branch from where you want to base your work + * This is usually the master branch + * Only target release branches if you are certain your fix must be on that branch + * To quickly create a topic branch based on master; + `git branch fix/master/my_contribution master` then checkout the new branch with + `git checkout fix/master/my_contribution` + * Avoid working directly on the `master` branch +* Make commits of logical units +* Check for unnecessary whitespace with `git diff --check` before committing +* Make sure your commit messages are in the proper format +* Avoid updating the distributable file or annotated source code documentation + +``` +(#99999) Make the example in CONTRIBUTING imperative and concrete + +Without this patch applied the example commit message in the CONTRIBUTING document is not a +concrete example. This is a problem because the contributor is left to imagine what the commit +message should look like based on a description rather than an example. This patch fixes the +problem by making the example concrete and imperative. + +The first line is a real life imperative statement with a ticket number from our issue tracker. The +body describes the behavior without the patch, why this is a problem, and how the patch fixes the +problem when applied. +``` + +* Make sure you have added the necessary tests for your changes +* Run *all* the tests to assure nothing else was accidentally broken + +## Submitting Changes + +* Ensure you added your details to `AUTHORS.md` in the correct format + `Joe Bloggs ` +* Push your changes to a topic branch in your fork of the repository +* Submit a pull request to neocotic's repository +* Update your issue to mark that you have submitted code and are ready for it to be reviewed + * Include a link to the pull request in the issue + +# Additional Resources + +* [qr.js repository](https://github.com/neocotic/qr.js) +* [Issue tracker](https://github.com/neocotic/qr.js/issues) +* [General GitHub documentation](http://help.github.com) +* [GitHub pull request documentation](http://help.github.com/send-pull-requests) diff --git a/vendors/qr.js/INSTALL.md b/vendors/qr.js/INSTALL.md new file mode 100644 index 000000000..d793d2b86 --- /dev/null +++ b/vendors/qr.js/INSTALL.md @@ -0,0 +1,46 @@ +This document is only relevant for those that want to contribute to the [qr.js][] open source +project (we love you guys!). If you are only interested in installing the tool look at `README.md`. + +## Build Requirements + +In order to build [qr.js][], you need to have the following install [git][] 1.7+ and [node.js][] +0.8+ (which includes [npm][]). + +### Canvas Support + +[qr.js][] heavily depends on [node-canvas][] to support the HTML5 canvas element in the [node.js][] +environment. Unfortunately, this library is dependant on [Cairo][], which is not managed by +[npm][]. Before you are able to build [qr.js][] (and it's dependencies), you must have [Cairo][] +installed. Please see their wiki on steps on how to do this on various platforms: + +https://github.com/LearnBoost/node-canvas/wiki/_pages + +## Building + +Follow these steps to build [qr.js][]; + +1. Clone a copy of the main [qr.js git repository](https://github.com/neocotic/qr.js) by running + `git clone git://github.com/neocotic/qr.js.git` +2. `cd` to the repository directory +3. Ensure you have all of the dependencies by entering `npm install` +4. Ensure you can run [Grunt][] by running `npm install -g grunt-cli` +5. To run the full test suite enter `grunt test` + * **Pro Tip:** You can easily run step 5 by just entering `grunt` +6. To update the optimized distributable file and documentation enter `grunt dist` + * Outputs to documentation to the `docs` directory + +## Important + +If you're planning on contributing to [qr.js][] please do **NOT** update the distributable file or +documentation (step 6) when submitting a pull request. We will not accept pull requests when these +files have been changed as we do this ourselves when finalizing a release. + +Read the `CONTRIBUTING.md` file for more information about submitting pull requests. + +[cairo]: http://cairographics.org +[git]: http://git-scm.com +[grunt]: http://gruntjs.com +[node.js]: http://nodejs.org +[node-canvas]: https://github.com/LearnBoost/node-canvas +[npm]: http://npmjs.org +[qr.js]: http://neocotic.com/qr.js diff --git a/vendors/qr.js/LICENSE.md b/vendors/qr.js/LICENSE.md new file mode 100644 index 000000000..dec605db5 --- /dev/null +++ b/vendors/qr.js/LICENSE.md @@ -0,0 +1,14 @@ +Copyright (C) 2015 Alasdair Mercer, http://neocotic.com + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . diff --git a/vendors/qr.js/README.md b/vendors/qr.js/README.md new file mode 100644 index 000000000..74ec9a12c --- /dev/null +++ b/vendors/qr.js/README.md @@ -0,0 +1,290 @@ + __ + __ _ __ /\_\ ____ + /'__`\/\`'__\ \/\ \ /',__\ + /\ \L\ \ \ \/__ \ \ \/\__, `\ + \ \___, \ \_\\_\_\ \ \/\____/ + \/___/\ \/_//_/\ \_\ \/___/ + \ \_\ \ \____/ + \/_/ \/___/ + +[qr.js][] is a pure JavaScript library for [QR code][] generation using canvas. + +* [Install](#install) +* [Examples](#examples) +* [API](#api) +* [Canvas Support](#canvas-support) +* [Bugs](#bugs) +* [Questions](#questions) + +## Install + +Install using the package manager for your desired environment(s): + +``` bash +# for node.js: +$ npm install qr-js +# OR; for the browser: +$ bower install qr-js +``` + +## Examples + +In the browser: + +``` html + + + + + + + +``` + +In [node.js][]: + +``` javascript +var qr = require('qr-js'); + +qr.saveSync('http://neocotic.com/qr.js', 'qrcode.png'); +``` + +## API + +### Standard Data + +The following configuration data options are recognised by all of the core API methods (all of +which are optional): + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
PropertyDescriptionDefault
backgroundBackground colour to be used#fff
canvas<canvas> element in which the QR code should be renderedCreates a new element
foregroundForeground colour to be used#000
levelECC (error correction capacity) level to be appliedL
sizeModule size of the generated QR code4
valueValue to be encoded in the generated QR code""
+ +### `canvas([data|value])` +Renders a QR code in an HTML5 `` element for a given value. + +``` javascript +// Render the QR code on a newly created canvas element +var canvas = qr.canvas('http://neocotic.com/qr.js'); +// Re-render the QR code on an existing element +qr.canvas({ + canvas: canvas, + value: 'https://github.com/neocotic/qr.js' +}); +``` + +### `image([data|value])` +Renders a QR code in an HTML `` element for a given value. + +``` javascript +// Render the QR code on a newly created img element +var img = qr.image('http://neocotic.com/qr.js'); +// Re-render the QR code on an existing element +qr.image({ + image: img, + value: 'https://github.com/neocotic/qr.js' +}); +``` + +#### Additional Data +As well as the [Standard Data](#standard-data), this method also accepts the following additional +data options: + + + + + + + + + + + + + + + + + +
PropertyDescriptionDefault
image<img> element in which the QR code should be renderedCreates a new element
mimeMIME type to process the QR code imageimage/png
+ +### `save([data|value][, path], callback)` +Saves a QR code, which has been rendered for a given value, to the user's file system. + +``` javascript +// Render a QR code to a PNG file +qr.save('http://neocotic.com/qr.js', 'qr.png', function(err) { + if (err) throw err; + + // ... +}); +// Render a QR code to a JPEG file +qr.save({ + mime: 'image/jpeg', + path: 'qr.jpg', + value: 'https://github.com/neocotic/qr.js' +}, function(err) { + if (err) throw err; + + // ... +}); +``` + +**Note:** Currently, in the browser, this just does it's best to force a download prompt. We will +try to improve on this in the future. + +#### Additional Data +As well as the [Standard Data](#standard-data), this method also accepts the following additional +data options: + + + + + + + + + + + + + + + + + +
PropertyDescriptionDefault
mimeMIME type to process the QR code imageimage/png
pathPath to which the QR code should be saved
Ignored in browsers		Required if not specified as an argument
+ +### `saveSync([data|value][, path])` +Synchronous [`save(3)`](#savedatavalue-path-callback). + +### `toDataURL([data|value])` +Returns a data URL for rendered QR code. This is a convenient shorthand for dealing with the native +`HTMLCanvasElement.prototype.toDataURL` function. + +``` javascript +console.log(qr.toDataURL('http://neocotic.com/qr.js')); // "data:image/png;base64,iVBORw0KGgoAAAA..." +console.log(qr.toDataURL({ + mime: 'image/jpeg', + value: 'https://github.com/neocotic/qr.js' +})); // "data:image/jpeg;base64,/9j/4AAQSkZJRg..." +``` + +#### Additional Data +As well as the [Standard Data](#standard-data), this method also accepts the following additional +data options: + + + + + + + + + + + + +
PropertyDescriptionDefault
mimeMIME type to process the QR code imageimage/png
+ +### Miscellaneous + +#### `noConflict()` +Returns `qr` in a no-conflict state, reallocating the `qr` global variable name to its previous +owner, where possible. + +This is really just intended for use within a browser. + +``` html + + + +``` + +#### `VERSION` +The current version of `qr`. + +``` javascript +console.log(qr.VERSION); // "1.1.4" +``` + +## Canvas Support + +For browser users; their browser must support the HTML5 canvas element or the API will throw an +error immediately. + +For [node.js][] users; [qr.js][] heavily depends on [node-canvas][] to support the HTML5 canvas +element in the [node.js][] environment. Unfortunately, this library is dependant on [Cairo][], +which is not managed by [npm][]. Before you are able to install [qr.js][] (and it's dependencies), +you must have [Cairo][] installed. Please see their wiki on steps on how to do this on various +platforms: + +https://github.com/LearnBoost/node-canvas/wiki/_pages + +## Bugs + +If you have any problems with this library or would like to see the changes currently in +development you can do so here; + +https://github.com/neocotic/qr.js/issues + +## Questions? + +Take a look at `docs/qr.html` to get a better understanding of what the code is doing. + +If that doesn't help, feel free to follow me on Twitter, [@neocotic][]. + +However, if you want more information or examples of using this library please visit the project's +homepage; + +http://neocotic.com/qr.js + +[@neocotic]: https://twitter.com/neocotic +[cairo]: http://cairographics.org +[node.js]: http://nodejs.org +[node-canvas]: https://github.com/LearnBoost/node-canvas +[npm]: http://npmjs.org +[qr.js]: http://neocotic.com/qr.js +[qr code]: http://en.wikipedia.org/wiki/QR_code diff --git a/vendors/qr.js/bower.json b/vendors/qr.js/bower.json new file mode 100644 index 000000000..60ed2373f --- /dev/null +++ b/vendors/qr.js/bower.json @@ -0,0 +1,38 @@ +{ + "name": "qr-js", + "version": "1.1.4", + "description": "Library for QR code generation using canvas", + "homepage": "http://neocotic.com/qr.js", + "authors": [ + { + "name": "Alasdair Mercer", + "email": "mercer.alasdair@gmail.com", + "homepage": "http://neocotic.com" + } + ], + "license": "GPL-3.0", + "keywords": [ + "qr", + "code", + "encode", + "canvas", + "image" + ], + "repository": { + "type": "git", + "url": "https://github.com/neocotic/qr.js.git" + }, + "main": "qr.min.js", + "ignore": [ + "**/.*", + "docs", + "AUTHORS.md", + "CHANGES.md", + "CONTRIBUTING.md", + "Gruntfile.js", + "INSTALL.md", + "README.md", + "bower.json", + "package.json" + ] +} diff --git a/vendors/qr.js/package.json b/vendors/qr.js/package.json new file mode 100644 index 000000000..5f8bc01b7 --- /dev/null +++ b/vendors/qr.js/package.json @@ -0,0 +1,40 @@ +{ + "name": "qr-js", + "version": "1.1.4", + "description": "Library for QR code generation using canvas", + "homepage": "http://neocotic.com/qr.js", + "bugs": { + "url": "https://github.com/neocotic/qr.js/issues" + }, + "author": { + "name": "Alasdair Mercer", + "email": "mercer.alasdair@gmail.com", + "url": "http://neocotic.com" + }, + "license": "GPL-3.0", + "keywords": [ + "qr", + "code", + "encode", + "canvas", + "image" + ], + "repository": { + "type": "git", + "url": "https://github.com/neocotic/qr.js.git" + }, + "dependencies": { + "canvas": "^1.3.1" + }, + "devDependencies": { + "grunt": "^0.4.5", + "grunt-cli": "^0.1.13", + "grunt-contrib-jshint": "^0.11.3", + "grunt-contrib-uglify": "^0.10.0", + "grunt-docco": "^0.4.0" + }, + "main": "qr.js", + "scripts": { + "test": "grunt test" + } +} diff --git a/vendors/qr.js/qr.js b/vendors/qr.js/qr.js new file mode 100644 index 000000000..e695bc194 --- /dev/null +++ b/vendors/qr.js/qr.js @@ -0,0 +1,1217 @@ +// [qr.js](http://neocotic.com/qr.js) +// (c) 2015 Alasdair Mercer +// Licensed under the GPL Version 3 license. +// Based on [jsqrencode](http://code.google.com/p/jsqrencode/) +// (c) 2010 tz@execpc.com +// Licensed under the GPL Version 3 license. +// For all details and documentation: +// + +(function (root) { + + 'use strict'; + + // Private constants + // ----------------- + + // Alignment pattern. + var ALIGNMENT_DELTA = [ + 0, 11, 15, 19, 23, 27, 31, + 16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24, + 26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28 + ]; + // Default MIME type. + var DEFAULT_MIME = 'image/png'; + // MIME used to initiate a browser download prompt when `qr.save` is called. + var DOWNLOAD_MIME = 'image/octet-stream'; + // There are four elements per version. The first two indicate the number of blocks, then the + // data width, and finally the ECC width. + var ECC_BLOCKS = [ + 1, 0, 19, 7, 1, 0, 16, 10, 1, 0, 13, 13, 1, 0, 9, 17, + 1, 0, 34, 10, 1, 0, 28, 16, 1, 0, 22, 22, 1, 0, 16, 28, + 1, 0, 55, 15, 1, 0, 44, 26, 2, 0, 17, 18, 2, 0, 13, 22, + 1, 0, 80, 20, 2, 0, 32, 18, 2, 0, 24, 26, 4, 0, 9, 16, + 1, 0, 108, 26, 2, 0, 43, 24, 2, 2, 15, 18, 2, 2, 11, 22, + 2, 0, 68, 18, 4, 0, 27, 16, 4, 0, 19, 24, 4, 0, 15, 28, + 2, 0, 78, 20, 4, 0, 31, 18, 2, 4, 14, 18, 4, 1, 13, 26, + 2, 0, 97, 24, 2, 2, 38, 22, 4, 2, 18, 22, 4, 2, 14, 26, + 2, 0, 116, 30, 3, 2, 36, 22, 4, 4, 16, 20, 4, 4, 12, 24, + 2, 2, 68, 18, 4, 1, 43, 26, 6, 2, 19, 24, 6, 2, 15, 28, + 4, 0, 81, 20, 1, 4, 50, 30, 4, 4, 22, 28, 3, 8, 12, 24, + 2, 2, 92, 24, 6, 2, 36, 22, 4, 6, 20, 26, 7, 4, 14, 28, + 4, 0, 107, 26, 8, 1, 37, 22, 8, 4, 20, 24, 12, 4, 11, 22, + 3, 1, 115, 30, 4, 5, 40, 24, 11, 5, 16, 20, 11, 5, 12, 24, + 5, 1, 87, 22, 5, 5, 41, 24, 5, 7, 24, 30, 11, 7, 12, 24, + 5, 1, 98, 24, 7, 3, 45, 28, 15, 2, 19, 24, 3, 13, 15, 30, + 1, 5, 107, 28, 10, 1, 46, 28, 1, 15, 22, 28, 2, 17, 14, 28, + 5, 1, 120, 30, 9, 4, 43, 26, 17, 1, 22, 28, 2, 19, 14, 28, + 3, 4, 113, 28, 3, 11, 44, 26, 17, 4, 21, 26, 9, 16, 13, 26, + 3, 5, 107, 28, 3, 13, 41, 26, 15, 5, 24, 30, 15, 10, 15, 28, + 4, 4, 116, 28, 17, 0, 42, 26, 17, 6, 22, 28, 19, 6, 16, 30, + 2, 7, 111, 28, 17, 0, 46, 28, 7, 16, 24, 30, 34, 0, 13, 24, + 4, 5, 121, 30, 4, 14, 47, 28, 11, 14, 24, 30, 16, 14, 15, 30, + 6, 4, 117, 30, 6, 14, 45, 28, 11, 16, 24, 30, 30, 2, 16, 30, + 8, 4, 106, 26, 8, 13, 47, 28, 7, 22, 24, 30, 22, 13, 15, 30, + 10, 2, 114, 28, 19, 4, 46, 28, 28, 6, 22, 28, 33, 4, 16, 30, + 8, 4, 122, 30, 22, 3, 45, 28, 8, 26, 23, 30, 12, 28, 15, 30, + 3, 10, 117, 30, 3, 23, 45, 28, 4, 31, 24, 30, 11, 31, 15, 30, + 7, 7, 116, 30, 21, 7, 45, 28, 1, 37, 23, 30, 19, 26, 15, 30, + 5, 10, 115, 30, 19, 10, 47, 28, 15, 25, 24, 30, 23, 25, 15, 30, + 13, 3, 115, 30, 2, 29, 46, 28, 42, 1, 24, 30, 23, 28, 15, 30, + 17, 0, 115, 30, 10, 23, 46, 28, 10, 35, 24, 30, 19, 35, 15, 30, + 17, 1, 115, 30, 14, 21, 46, 28, 29, 19, 24, 30, 11, 46, 15, 30, + 13, 6, 115, 30, 14, 23, 46, 28, 44, 7, 24, 30, 59, 1, 16, 30, + 12, 7, 121, 30, 12, 26, 47, 28, 39, 14, 24, 30, 22, 41, 15, 30, + 6, 14, 121, 30, 6, 34, 47, 28, 46, 10, 24, 30, 2, 64, 15, 30, + 17, 4, 122, 30, 29, 14, 46, 28, 49, 10, 24, 30, 24, 46, 15, 30, + 4, 18, 122, 30, 13, 32, 46, 28, 48, 14, 24, 30, 42, 32, 15, 30, + 20, 4, 117, 30, 40, 7, 47, 28, 43, 22, 24, 30, 10, 67, 15, 30, + 19, 6, 118, 30, 18, 31, 47, 28, 34, 34, 24, 30, 20, 61, 15, 30 + ]; + // Map of human-readable ECC levels. + var ECC_LEVELS = { + L: 1, + M: 2, + Q: 3, + H: 4 + }; + // Final format bits with mask (level << 3 | mask). + var FINAL_FORMAT = [ + 0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976, /* L */ + 0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0, /* M */ + 0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed, /* Q */ + 0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b /* H */ + ]; + // Galois field exponent table. + var GALOIS_EXPONENT = [ + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26, + 0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, + 0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23, + 0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1, + 0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, + 0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, + 0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, + 0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, + 0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, + 0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, + 0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, + 0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, + 0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, + 0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, + 0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16, + 0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00 + ]; + // Galois field log table. + var GALOIS_LOG = [ + 0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b, + 0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71, + 0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45, + 0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6, + 0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88, + 0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40, + 0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d, + 0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57, + 0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18, + 0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e, + 0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61, + 0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2, + 0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6, + 0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a, + 0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7, + 0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf + ]; + // *Badness* coefficients. + var N1 = 3; + var N2 = 3; + var N3 = 40; + var N4 = 10; + // Version pattern. + var VERSION_BLOCK = [ + 0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532, + 0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5, + 0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69 + ]; + // Mode for node.js file system file writes. + var WRITE_MODE = parseInt('0666', 8); + + // Private variables + // ----------------- + + // Run lengths for badness. + var badBuffer = []; + // Constructor for `canvas` elements in the node.js environment. + var Canvas; + // Data block. + var dataBlock; + // ECC data blocks and tables. + var eccBlock, neccBlock1, neccBlock2; + // ECC buffer. + var eccBuffer = []; + // ECC level (defaults to **L**). + var eccLevel = 1; + // Image buffer. + var frameBuffer = []; + // Fixed part of the image. + var frameMask = []; + // File system within the node.js environment. + var fs; + // Constructor for `img` elements in the node.js environment. + var Image; + // Indicates whether or not this script is running in node.js. + var inNode = false; + // Generator polynomial. + var polynomial = []; + // Save the previous value of the `qr` variable. + var previousQr = root.qr; + // Data input buffer. + var stringBuffer = []; + // Version for the data. + var version; + // Data width is based on `version`. + var width; + + // Private functions + // ----------------- + + // Create a new canvas using `document.createElement` unless script is running in node.js, in + // which case the `canvas` module is used. + function createCanvas() { + return inNode ? new Canvas() : root.document.createElement('canvas'); + } + + // Create a new image using `document.createElement` unless script is running in node.js, in + // which case the `canvas` module is used. + function createImage() { + return inNode ? new Image() : root.document.createElement('img'); + } + + // Force the canvas image to be downloaded in the browser. + // Optionally, a `callback` function can be specified which will be called upon completed. Since + // this is not an asynchronous operation, this is merely convenient and helps simplify the + // calling code. + function download(cvs, data, callback) { + var mime = data.mime || DEFAULT_MIME; + + root.location.href = cvs.toDataURL(mime).replace(mime, DOWNLOAD_MIME); + + if (typeof callback === 'function') callback(); + } + + // Normalize the `data` that is provided to the main API. + function normalizeData(data) { + if (typeof data === 'string') data = { value: data }; + return data || {}; + } + + // Override the `qr` API methods that require HTML5 canvas support to throw a relevant error. + function overrideAPI(qr) { + var methods = [ 'canvas', 'image', 'save', 'saveSync', 'toDataURL' ]; + var i; + + function overrideMethod(name) { + qr[name] = function () { + throw new Error(name + ' requires HTML5 canvas element support'); + }; + } + + for (i = 0; i < methods.length; i++) { + overrideMethod(methods[i]); + } + } + + // Asynchronously write the data of the rendered canvas to a given file path. + function writeFile(cvs, data, callback) { + if (typeof data.path !== 'string') { + return callback(new TypeError('Invalid path type: ' + typeof data.path)); + } + + var fd, buff; + + // Write the buffer to the open file stream once both prerequisites are met. + function writeBuffer() { + fs.write(fd, buff, 0, buff.length, 0, function (error) { + fs.close(fd); + + callback(error); + }); + } + + // Create a buffer of the canvas' data. + cvs.toBuffer(function (error, _buff) { + if (error) return callback(error); + + buff = _buff; + if (fd) { + writeBuffer(); + } + }); + + // Open a stream for the file to be written. + fs.open(data.path, 'w', WRITE_MODE, function (error, _fd) { + if (error) return callback(error); + + fd = _fd; + if (buff) { + writeBuffer(); + } + }); + } + + // Write the data of the rendered canvas to a given file path. + function writeFileSync(cvs, data) { + if (typeof data.path !== 'string') { + throw new TypeError('Invalid path type: ' + typeof data.path); + } + + var buff = cvs.toBuffer(); + var fd = fs.openSync(data.path, 'w', WRITE_MODE); + + try { + fs.writeSync(fd, buff, 0, buff.length, 0); + } finally { + fs.closeSync(fd); + } + } + + // Set bit to indicate cell in frame is immutable (symmetric around diagonal). + function setMask(x, y) { + var bit; + + if (x > y) { + bit = x; + x = y; + y = bit; + } + + bit = y; + bit *= y; + bit += y; + bit >>= 1; + bit += x; + + frameMask[bit] = 1; + } + + // Enter alignment pattern. Foreground colour to frame, background to mask. Frame will be merged + // with mask later. + function addAlignment(x, y) { + var i; + + frameBuffer[x + width * y] = 1; + + for (i = -2; i < 2; i++) { + frameBuffer[(x + i) + width * (y - 2)] = 1; + frameBuffer[(x - 2) + width * (y + i + 1)] = 1; + frameBuffer[(x + 2) + width * (y + i)] = 1; + frameBuffer[(x + i + 1) + width * (y + 2)] = 1; + } + + for (i = 0; i < 2; i++) { + setMask(x - 1, y + i); + setMask(x + 1, y - i); + setMask(x - i, y - 1); + setMask(x + i, y + 1); + } + } + + // Exponentiation mod N. + function modN(x) { + while (x >= 255) { + x -= 255; + x = (x >> 8) + (x & 255); + } + + return x; + } + + // Calculate and append `ecc` data to the `data` block. If block is in the string buffer the + // indices to buffers are used. + function appendData(data, dataLength, ecc, eccLength) { + var bit, i, j; + + for (i = 0; i < eccLength; i++) { + stringBuffer[ecc + i] = 0; + } + + for (i = 0; i < dataLength; i++) { + bit = GALOIS_LOG[stringBuffer[data + i] ^ stringBuffer[ecc]]; + + if (bit !== 255) { + for (j = 1; j < eccLength; j++) { + stringBuffer[ecc + j - 1] = stringBuffer[ecc + j] ^ + GALOIS_EXPONENT[modN(bit + polynomial[eccLength - j])]; + } + } else { + for (j = ecc; j < ecc + eccLength; j++) { + stringBuffer[j] = stringBuffer[j + 1]; + } + } + + stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : + GALOIS_EXPONENT[modN(bit + polynomial[0])]; + } + } + + // Check mask since symmetricals use half. + function isMasked(x, y) { + var bit; + + if (x > y) { + bit = x; + x = y; + y = bit; + } + + bit = y; + bit += y * y; + bit >>= 1; + bit += x; + + return frameMask[bit] === 1; + } + + // Apply the selected mask out of the 8 options. + function applyMask(mask) { + var x, y, r3x, r3y; + + switch (mask) { + case 0: + for (y = 0; y < width; y++) { + for (x = 0; x < width; x++) { + if (!((x + y) & 1) && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 1: + for (y = 0; y < width; y++) { + for (x = 0; x < width; x++) { + if (!(y & 1) && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 2: + for (y = 0; y < width; y++) { + for (r3x = 0, x = 0; x < width; x++, r3x++) { + if (r3x === 3) r3x = 0; + + if (!r3x && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 3: + for (r3y = 0, y = 0; y < width; y++, r3y++) { + if (r3y === 3) r3y = 0; + + for (r3x = r3y, x = 0; x < width; x++, r3x++) { + if (r3x === 3) r3x = 0; + + if (!r3x && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 4: + for (y = 0; y < width; y++) { + for (r3x = 0, r3y = ((y >> 1) & 1), x = 0; x < width; x++, r3x++) { + if (r3x === 3) { + r3x = 0; + r3y = !r3y; + } + + if (!r3y && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 5: + for (r3y = 0, y = 0; y < width; y++, r3y++) { + if (r3y === 3) r3y = 0; + + for (r3x = 0, x = 0; x < width; x++, r3x++) { + if (r3x === 3) r3x = 0; + + if (!((x & y & 1) + !(!r3x | !r3y)) && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 6: + for (r3y = 0, y = 0; y < width; y++, r3y++) { + if (r3y === 3) r3y = 0; + + for (r3x = 0, x = 0; x < width; x++, r3x++) { + if (r3x === 3) r3x = 0; + + if (!(((x & y & 1) + (r3x && (r3x === r3y))) & 1) && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + case 7: + for (r3y = 0, y = 0; y < width; y++, r3y++) { + if (r3y === 3) r3y = 0; + + for (r3x = 0, x = 0; x < width; x++, r3x++) { + if (r3x === 3) r3x = 0; + + if (!(((r3x && (r3x === r3y)) + ((x + y) & 1)) & 1) && !isMasked(x, y)) { + frameBuffer[x + y * width] ^= 1; + } + } + } + + break; + } + } + + // Using the table for the length of each run, calculate the amount of bad image. Long runs or + // those that look like finders are called twice; once for X and Y. + function getBadRuns(length) { + var badRuns = 0; + var i; + + for (i = 0; i <= length; i++) { + if (badBuffer[i] >= 5) { + badRuns += N1 + badBuffer[i] - 5; + } + } + + // FBFFFBF as in finder. + for (i = 3; i < length - 1; i += 2) { + if (badBuffer[i - 2] === badBuffer[i + 2] && + badBuffer[i + 2] === badBuffer[i - 1] && + badBuffer[i - 1] === badBuffer[i + 1] && + badBuffer[i - 1] * 3 === badBuffer[i] && + // Background around the foreground pattern? Not part of the specs. + (badBuffer[i - 3] === 0 || i + 3 > length || + badBuffer[i - 3] * 3 >= badBuffer[i] * 4 || + badBuffer[i + 3] * 3 >= badBuffer[i] * 4)) { + badRuns += N3; + } + } + + return badRuns; + } + + // Calculate how bad the masked image is (e.g. blocks, imbalance, runs, or finders). + function checkBadness() { + var b, b1, bad, big, bw, count, h, x, y; + bad = bw = count = 0; + + // Blocks of same colour. + for (y = 0; y < width - 1; y++) { + for (x = 0; x < width - 1; x++) { + // All foreground colour. + if ((frameBuffer[x + width * y] && + frameBuffer[(x + 1) + width * y] && + frameBuffer[x + width * (y + 1)] && + frameBuffer[(x + 1) + width * (y + 1)]) || + // All background colour. + !(frameBuffer[x + width * y] || + frameBuffer[(x + 1) + width * y] || + frameBuffer[x + width * (y + 1)] || + frameBuffer[(x + 1) + width * (y + 1)])) { + bad += N2; + } + } + } + + // X runs. + for (y = 0; y < width; y++) { + badBuffer[0] = 0; + + for (h = b = x = 0; x < width; x++) { + if ((b1 = frameBuffer[x + width * y]) === b) { + badBuffer[h]++; + } else { + badBuffer[++h] = 1; + } + + b = b1; + bw += b ? 1 : -1; + } + + bad += getBadRuns(h); + } + + if (bw < 0) bw = -bw; + + big = bw; + big += big << 2; + big <<= 1; + + while (big > width * width) { + big -= width * width; + count++; + } + + bad += count * N4; + + // Y runs. + for (x = 0; x < width; x++) { + badBuffer[0] = 0; + + for (h = b = y = 0; y < width; y++) { + if ((b1 = frameBuffer[x + width * y]) === b) { + badBuffer[h]++; + } else { + badBuffer[++h] = 1; + } + + b = b1; + } + + bad += getBadRuns(h); + } + + return bad; + } + + // Generate the encoded QR image for the string provided. + function generateFrame(str) { + var i, j, k, m, t, v, x, y; + + // Find the smallest version that fits the string. + t = str.length; + + version = 0; + + do { + version++; + + k = (eccLevel - 1) * 4 + (version - 1) * 16; + + neccBlock1 = ECC_BLOCKS[k++]; + neccBlock2 = ECC_BLOCKS[k++]; + dataBlock = ECC_BLOCKS[k++]; + eccBlock = ECC_BLOCKS[k]; + + k = dataBlock * (neccBlock1 + neccBlock2) + neccBlock2 - 3 + (version <= 9); + + if (t <= k) break; + } while (version < 40); + + // FIXME: Ensure that it fits insted of being truncated. + width = 17 + 4 * version; + + // Allocate, clear and setup data structures. + v = dataBlock + (dataBlock + eccBlock) * (neccBlock1 + neccBlock2) + neccBlock2; + + for (t = 0; t < v; t++) { + eccBuffer[t] = 0; + } + + stringBuffer = str.slice(0); + + for (t = 0; t < width * width; t++) { + frameBuffer[t] = 0; + } + + for (t = 0; t < (width * (width + 1) + 1) / 2; t++) { + frameMask[t] = 0; + } + + // Insert finders: Foreground colour to frame and background to mask. + for (t = 0; t < 3; t++) { + k = y = 0; + + if (t === 1) k = (width - 7); + if (t === 2) y = (width - 7); + + frameBuffer[(y + 3) + width * (k + 3)] = 1; + + for (x = 0; x < 6; x++) { + frameBuffer[(y + x) + width * k] = 1; + frameBuffer[y + width * (k + x + 1)] = 1; + frameBuffer[(y + 6) + width * (k + x)] = 1; + frameBuffer[(y + x + 1) + width * (k + 6)] = 1; + } + + for (x = 1; x < 5; x++) { + setMask(y + x, k + 1); + setMask(y + 1, k + x + 1); + setMask(y + 5, k + x); + setMask(y + x + 1, k + 5); + } + + for (x = 2; x < 4; x++) { + frameBuffer[(y + x) + width * (k + 2)] = 1; + frameBuffer[(y + 2) + width * (k + x + 1)] = 1; + frameBuffer[(y + 4) + width * (k + x)] = 1; + frameBuffer[(y + x + 1) + width * (k + 4)] = 1; + } + } + + // Alignment blocks. + if (version > 1) { + t = ALIGNMENT_DELTA[version]; + y = width - 7; + + for (;;) { + x = width - 7; + + while (x > t - 3) { + addAlignment(x, y); + + if (x < t) break; + + x -= t; + } + + if (y <= t + 9) break; + + y -= t; + + addAlignment(6, y); + addAlignment(y, 6); + } + } + + // Single foreground cell. + frameBuffer[8 + width * (width - 8)] = 1; + + // Timing gap (mask only). + for (y = 0; y < 7; y++) { + setMask(7, y); + setMask(width - 8, y); + setMask(7, y + width - 7); + } + + for (x = 0; x < 8; x++) { + setMask(x, 7); + setMask(x + width - 8, 7); + setMask(x, width - 8); + } + + // Reserve mask, format area. + for (x = 0; x < 9; x++) { + setMask(x, 8); + } + + for (x = 0; x < 8; x++) { + setMask(x + width - 8, 8); + setMask(8, x); + } + + for (y = 0; y < 7; y++) { + setMask(8, y + width - 7); + } + + // Timing row/column. + for (x = 0; x < width - 14; x++) { + if (x & 1) { + setMask(8 + x, 6); + setMask(6, 8 + x); + } else { + frameBuffer[(8 + x) + width * 6] = 1; + frameBuffer[6 + width * (8 + x)] = 1; + } + } + + // Version block. + if (version > 6) { + t = VERSION_BLOCK[version - 7]; + k = 17; + + for (x = 0; x < 6; x++) { + for (y = 0; y < 3; y++, k--) { + if (1 & (k > 11 ? version >> (k - 12) : t >> k)) { + frameBuffer[(5 - x) + width * (2 - y + width - 11)] = 1; + frameBuffer[(2 - y + width - 11) + width * (5 - x)] = 1; + } else { + setMask(5 - x, 2 - y + width - 11); + setMask(2 - y + width - 11, 5 - x); + } + } + } + } + + // Sync mask bits. Only set above for background cells, so now add the foreground. + for (y = 0; y < width; y++) { + for (x = 0; x <= y; x++) { + if (frameBuffer[x + width * y]) { + setMask(x, y); + } + } + } + + // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanum, or kanji + // not supported). + v = stringBuffer.length; + + // String to array. + for (i = 0; i < v; i++) { + eccBuffer[i] = stringBuffer.charCodeAt(i); + } + + stringBuffer = eccBuffer.slice(0); + + // Calculate max string length. + x = dataBlock * (neccBlock1 + neccBlock2) + neccBlock2; + + if (v >= x - 2) { + v = x - 2; + + if (version > 9) v--; + } + + // Shift and re-pack to insert length prefix. + i = v; + + if (version > 9) { + stringBuffer[i + 2] = 0; + stringBuffer[i + 3] = 0; + + while (i--) { + t = stringBuffer[i]; + + stringBuffer[i + 3] |= 255 & (t << 4); + stringBuffer[i + 2] = t >> 4; + } + + stringBuffer[2] |= 255 & (v << 4); + stringBuffer[1] = v >> 4; + stringBuffer[0] = 0x40 | (v >> 12); + } else { + stringBuffer[i + 1] = 0; + stringBuffer[i + 2] = 0; + + while (i--) { + t = stringBuffer[i]; + + stringBuffer[i + 2] |= 255 & (t << 4); + stringBuffer[i + 1] = t >> 4; + } + + stringBuffer[1] |= 255 & (v << 4); + stringBuffer[0] = 0x40 | (v >> 4); + } + + // Fill to end with pad pattern. + i = v + 3 - (version < 10); + + while (i < x) { + stringBuffer[i++] = 0xec; + stringBuffer[i++] = 0x11; + } + + // Calculate generator polynomial. + polynomial[0] = 1; + + for (i = 0; i < eccBlock; i++) { + polynomial[i + 1] = 1; + + for (j = i; j > 0; j--) { + polynomial[j] = polynomial[j] ? polynomial[j - 1] ^ + GALOIS_EXPONENT[modN(GALOIS_LOG[polynomial[j]] + i)] : polynomial[j - 1]; + } + + polynomial[0] = GALOIS_EXPONENT[modN(GALOIS_LOG[polynomial[0]] + i)]; + } + + // Use logs for generator polynomial to save calculation step. + for (i = 0; i <= eccBlock; i++) { + polynomial[i] = GALOIS_LOG[polynomial[i]]; + } + + // Append ECC to data buffer. + k = x; + y = 0; + + for (i = 0; i < neccBlock1; i++) { + appendData(y, dataBlock, k, eccBlock); + + y += dataBlock; + k += eccBlock; + } + + for (i = 0; i < neccBlock2; i++) { + appendData(y, dataBlock + 1, k, eccBlock); + + y += dataBlock + 1; + k += eccBlock; + } + + // Interleave blocks. + y = 0; + + for (i = 0; i < dataBlock; i++) { + for (j = 0; j < neccBlock1; j++) { + eccBuffer[y++] = stringBuffer[i + j * dataBlock]; + } + + for (j = 0; j < neccBlock2; j++) { + eccBuffer[y++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))]; + } + } + + for (j = 0; j < neccBlock2; j++) { + eccBuffer[y++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))]; + } + + for (i = 0; i < eccBlock; i++) { + for (j = 0; j < neccBlock1 + neccBlock2; j++) { + eccBuffer[y++] = stringBuffer[x + i + j * eccBlock]; + } + } + + stringBuffer = eccBuffer; + + // Pack bits into frame avoiding masked area. + x = y = width - 1; + k = v = 1; + + // inteleaved data and ECC codes. + m = (dataBlock + eccBlock) * (neccBlock1 + neccBlock2) + neccBlock2; + + for (i = 0; i < m; i++) { + t = stringBuffer[i]; + + for (j = 0; j < 8; j++, t <<= 1) { + if (0x80 & t) { + frameBuffer[x + width * y] = 1; + } + + // Find next fill position. + do { + if (v) { + x--; + } else { + x++; + + if (k) { + if (y !== 0) { + y--; + } else { + x -= 2; + k = !k; + + if (x === 6) { + x--; + y = 9; + } + } + } else { + if (y !== width - 1) { + y++; + } else { + x -= 2; + k = !k; + + if (x === 6) { + x--; + y -= 8; + } + } + } + } + + v = !v; + } while (isMasked(x, y)); + } + } + + // Save pre-mask copy of frame. + stringBuffer = frameBuffer.slice(0); + + t = 0; + y = 30000; + + // Using `for` instead of `while` since in original Arduino code if an early mask was *good + // enough* it wouldn't try for a better one since they get more complex and take longer. + for (k = 0; k < 8; k++) { + // Returns foreground-background imbalance. + applyMask(k); + + x = checkBadness(); + + // Is current mask better than previous best? + if (x < y) { + y = x; + t = k; + } + + // Don't increment `i` to a void redoing mask. + if (t === 7) break; + + // Reset for next pass. + frameBuffer = stringBuffer.slice(0); + } + + // Redo best mask as none were *good enough* (i.e. last wasn't `t`). + if (t !== k) { + applyMask(t); + } + + // Add in final mask/ECC level bytes. + y = FINAL_FORMAT[t + ((eccLevel - 1) << 3)]; + + // Low byte. + for (k = 0; k < 8; k++, y >>= 1) { + if (y & 1) { + frameBuffer[(width - 1 - k) + width * 8] = 1; + + if (k < 6) { + frameBuffer[8 + width * k] = 1; + } else { + frameBuffer[8 + width * (k + 1)] = 1; + } + } + } + + // High byte. + for (k = 0; k < 7; k++, y >>= 1) { + if (y & 1) { + frameBuffer[8 + width * (width - 7 + k)] = 1; + + if (k) { + frameBuffer[(6 - k) + width * 8] = 1; + } else { + frameBuffer[7 + width * 8] = 1; + } + } + } + + // Finally, return the image data. + return frameBuffer; + } + + // qr.js setup + // ----------- + + // Build the publicly exposed API. + var qr = { + + // Constants + // --------- + + // Current version of `qr`. + VERSION: '1.1.4', + + // QR functions + // ------------ + + // Generate the QR code using the data provided and render it on to a `` element. + // If no `` element is specified in the argument provided a new one will be created and + // used. + // ECC (error correction capacity) determines how many intential errors are contained in the QR + // code. + canvas: function(data) { + data = normalizeData(data); + + // Module size of the generated QR code (i.e. 1-10). + var size = data.size >= 1 && data.size <= 10 ? data.size : 4; + // Actual size of the QR code symbol and is scaled to 25 pixels (e.g. 1 = 25px, 3 = 75px). + size *= 25; + + // `` element used to render the QR code. + var cvs = data.canvas || createCanvas(); + // Retreive the 2D context of the canvas. + var c2d = cvs.getContext('2d'); + // Ensure the canvas has the correct dimensions. + c2d.canvas.width = size; + c2d.canvas.height = size; + // Fill the canvas with the correct background colour. + c2d.fillStyle = data.background || '#fff'; + c2d.fillRect(0, 0, size, size); + + // Determine the ECC level to be applied. + eccLevel = ECC_LEVELS[(data.level && data.level.toUpperCase()) || 'L']; + + // Generate the image frame for the given `value`. + var frame = generateFrame(data.value || ''); + + c2d.lineWidth = 1; + + // Determine the *pixel* size. + var px = size; + px /= width; + px = Math.floor(px); + + var offset = Math.floor((size - (px * width)) / 2); + + // Draw the QR code. + c2d.clearRect(0, 0, size, size); + c2d.fillStyle = data.background || '#fff'; + c2d.fillRect(0, 0, size, size); + c2d.fillStyle = data.foreground || '#000'; + + var i, j; + + for (i = 0; i < width; i++) { + for (j = 0; j < width; j++) { + if (frame[j * width + i]) { + c2d.fillRect(px * i + offset, px * j + offset, px, px); + } + } + } + + return cvs; + }, + + // Generate the QR code using the data provided and render it on to a `` element. + // If no `` element is specified in the argument provided a new one will be created and + // used. + // ECC (error correction capacity) determines how many intential errors are contained in the QR + // code. + image: function(data) { + data = normalizeData(data); + + // `` element only which the QR code is rendered. + var cvs = this.canvas(data); + // `` element used to display the QR code. + var img = data.image || createImage(); + + // Apply the QR code to `img`. + img.src = cvs.toDataURL(data.mime || DEFAULT_MIME); + img.height = cvs.height; + img.width = cvs.width; + + return img; + }, + + // Generate the QR code using the data provided and render it on to a `` element and + // save it as an image file. + // If no `` element is specified in the argument provided a new one will be created and + // used. + // ECC (error correction capacity) determines how many intential errors are contained in the QR + // code. + // If called in a browser the `path` property/argument is ignored and will simply prompt the + // user to choose a location and file name. However, if called within node.js the file will be + // saved to specified path. + // A `callback` function must be provided which will be called once the saving process has + // started. If an error occurs it will be passed as the first argument to this function, + // otherwise this argument will be `null`. + save: function(data, path, callback) { + data = normalizeData(data); + + switch (typeof path) { + case 'function': + callback = path; + path = null; + break; + case 'string': + data.path = path; + break; + } + + // Callback function is required. + if (typeof callback !== 'function') { + throw new TypeError('Invalid callback type: ' + typeof callback); + } + + var completed = false; + // `` element only which the QR code is rendered. + var cvs = this.canvas(data); + + // Simple function to try and ensure that the `callback` function is only called once. + function done(error) { + if (!completed) { + completed = true; + + callback(error); + } + } + + if (inNode) { + writeFile(cvs, data, done); + } else { + download(cvs, data, done); + } + }, + + // Generate the QR code using the data provided and render it on to a `` element and + // save it as an image file. + // If no `` element is specified in the argument provided a new one will be created and + // used. + // ECC (error correction capacity) determines how many intential errors are contained in the QR + // code. + // If called in a browser the `path` property/argument is ignored and will simply prompt the + // user to choose a location and file name. However, if called within node.js the file will be + // saved to specified path. + saveSync: function(data, path) { + data = normalizeData(data); + + if (typeof path === 'string') data.path = path; + + // `` element only which the QR code is rendered. + var cvs = this.canvas(data); + + if (inNode) { + writeFileSync(cvs, data); + } else { + download(cvs, data); + } + }, + + // Generate the QR code using the data provided and render it on to a `` element before + // returning its data URI. + // If no `` element is specified in the argument provided a new one will be created and + // used. + // ECC (error correction capacity) determines how many intential errors are contained in the QR + // code. + toDataURL: function(data) { + data = normalizeData(data); + + return this.canvas(data).toDataURL(data.mime || DEFAULT_MIME); + }, + + // Utility functions + // ----------------- + + // Run qr.js in *noConflict* mode, returning the `qr` variable to its previous owner. + // Returns a reference to `qr`. + noConflict: function() { + root.qr = previousQr; + return this; + } + + }; + + // Support + // ------- + + // Export `qr` for node.js and CommonJS. + if (typeof exports !== 'undefined') { + inNode = true; + + if (typeof module !== 'undefined' && module.exports) { + exports = module.exports = qr; + } + exports.qr = qr; + + // Import required node.js modules. + Canvas = require('canvas'); + Image = Canvas.Image; + fs = require('fs'); + } else if (typeof define === 'function' && define.amd) { + define(function () { + return qr; + }); + } else { + // In non-HTML5 browser so strip base functionality. + if (!root.HTMLCanvasElement) { + overrideAPI(qr); + } + + root.qr = qr; + } + +})(this); diff --git a/vendors/qr.js/qr.min.js b/vendors/qr.js/qr.min.js new file mode 100644 index 000000000..01d79b2f3 --- /dev/null +++ b/vendors/qr.js/qr.min.js @@ -0,0 +1,5 @@ +/*! qr-js v1.1.4 | (c) 2015 Alasdair Mercer | GPL v3 License +jsqrencode | (c) 2010 tz@execpc.com | GPL v3 License +*/ 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\ No newline at end of file diff --git a/webpack.config.js b/webpack.config.js index 44eaf2bbe..c19ae914e 100644 --- a/webpack.config.js +++ b/webpack.config.js @@ -67,6 +67,7 @@ module.exports = { 'ssm': 'window.ssm', 'key': 'window.key', '_': 'window._', + 'qr': 'window.qr', 'Promise': 'window.Promise', '$': 'window.jQuery' }