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Merge pull request LordKBX#1 from rorygrandin/uwp_support
Windows support for native file hashing
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| cordova-plugin-file-hash | ||
| Copyright 2018 The Apache Software Foundation | ||
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| This software contains code derived from the cordova-plugin-file library (version 6.0.1). | ||
| cordova-plugin-file is released under the Apache License version 2 (see LICENSE-APACHE file). |
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| /* | ||
| * | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| * | ||
| */ | ||
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| /* global Windows, WinJS, MSApp */ | ||
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| var getFileFromPathAsync = Windows.Storage.StorageFile.getFileFromPathAsync; | ||
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| function cordovaPathToNative(path) { | ||
| // turn / into \\ | ||
| var cleanPath = path.replace(/\//g, '\\'); | ||
| // turn \\ into \ | ||
| cleanPath = cleanPath.replace(/\\+/g, '\\'); | ||
| return cleanPath; | ||
| } | ||
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| function nativePathToCordova (path) { | ||
| return path.replace(/\\/g, '/'); | ||
| } | ||
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| var driveRE = new RegExp("^[/]*([A-Z]:)"); | ||
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| var WinFS = function (name, root) { | ||
| this.winpath = root.winpath; | ||
| if (this.winpath && !/\/$/.test(this.winpath)) { | ||
| this.winpath += '/'; | ||
| } | ||
| root.fullPath = '/'; | ||
| if (!root.nativeURL) { root.nativeURL = 'file://' + sanitize(this.winpath + root.fullPath).replace(':', '%3A'); } | ||
| this.name = name; | ||
| this.root = root; | ||
| }; | ||
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| var AllFileSystems; | ||
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| function getAllFS () { | ||
| if (!AllFileSystems) { | ||
| AllFileSystems = { | ||
| 'persistent': | ||
| Object.freeze(new WinFS('persistent', { | ||
| name: 'persistent', | ||
| nativeURL: 'ms-appdata:///local', | ||
| winpath: nativePathToCordova(Windows.Storage.ApplicationData.current.localFolder.path) | ||
| })), | ||
| 'temporary': | ||
| Object.freeze(new WinFS('temporary', { | ||
| name: 'temporary', | ||
| nativeURL: 'ms-appdata:///temp', | ||
| winpath: nativePathToCordova(Windows.Storage.ApplicationData.current.temporaryFolder.path) | ||
| })), | ||
| 'application': | ||
| Object.freeze(new WinFS('application', { | ||
| name: 'application', | ||
| nativeURL: 'ms-appx:///', | ||
| winpath: nativePathToCordova(Windows.ApplicationModel.Package.current.installedLocation.path) | ||
| })), | ||
| 'root': | ||
| Object.freeze(new WinFS('root', { | ||
| name: 'root', | ||
| // nativeURL: 'file:///' | ||
| winpath: '' | ||
| })) | ||
| }; | ||
| } | ||
| return AllFileSystems; | ||
| } | ||
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| function sanitize(path) { | ||
| var slashesRE = new RegExp('/{2,}','g'); | ||
| var components = path.replace(slashesRE, '/').split(/\/+/); | ||
| // Remove double dots, use old school array iteration instead of RegExp | ||
| // since it is impossible to debug them | ||
| for (var index = 0; index < components.length; ++index) { | ||
| if (components[index] === "..") { | ||
| components.splice(index, 1); | ||
| if (index > 0) { | ||
| // if we're not in the start of array then remove preceeding path component, | ||
| // In case if relative path points above the root directory, just ignore double dots | ||
| // See file.spec.111 should not traverse above above the root directory for test case | ||
| components.splice(index-1, 1); | ||
| --index; | ||
| } | ||
| } | ||
| } | ||
| return components.join('/'); | ||
| } | ||
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| function getFilesystemFromPath (path) { | ||
| var res; | ||
| var allfs = getAllFS(); | ||
| Object.keys(allfs).some(function (fsn) { | ||
| var fs = allfs[fsn]; | ||
| if (path.indexOf(fs.winpath) === 0) { res = fs; } | ||
| return res; | ||
| }); | ||
| return res; | ||
| } | ||
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| var msapplhRE = new RegExp('^ms-appdata://localhost/'); | ||
| function pathFromURL(url) { | ||
| url=url.replace(msapplhRE,'ms-appdata:///'); | ||
| var path = decodeURIComponent(url); | ||
| // support for file name with parameters | ||
| if (/\?/g.test(path)) { | ||
| path = String(path).split("?")[0]; | ||
| } | ||
| if (path.indexOf("file:/")===0) { | ||
| if (path.indexOf("file://") !== 0) { | ||
| url = "file:///" + url.substr(6); | ||
| } | ||
| } | ||
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| ['file://','ms-appdata:///','cdvfile://localhost/'].every(function(p) { | ||
| if (path.indexOf(p)!==0) | ||
| return true; | ||
| var thirdSlash = path.indexOf("/", p.length); | ||
| if (thirdSlash < 0) { | ||
| path = ""; | ||
| } else { | ||
| path = sanitize(path.substr(thirdSlash)); | ||
| } | ||
| }); | ||
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| return path.replace(driveRE,'$1'); | ||
| } | ||
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| function getFilesystemFromURL (url) { | ||
| url = url.replace(msapplhRE, 'ms-appdata:///'); | ||
| var res; | ||
| if (url.indexOf('file:/') === 0) { res = getFilesystemFromPath(pathFromURL(url)); } else { | ||
| var allfs = getAllFS(); | ||
| Object.keys(allfs).every(function (fsn) { | ||
| var fs = allfs[fsn]; | ||
| if (url.indexOf(fs.root.nativeURL) === 0 || | ||
| url.indexOf('cdvfile://localhost/' + fs.name + '/') === 0) { | ||
| res = fs; | ||
| return false; | ||
| } | ||
| return true; | ||
| }); | ||
| } | ||
| return res; | ||
| } | ||
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| function makeHash(win, fail, url, algo, hashObj) { | ||
| var fs = getFilesystemFromURL(url); | ||
| var path = pathFromURL(url); | ||
| if (!fs) { | ||
| fail({code: 3, message: "File access error"}); | ||
| return; | ||
| } | ||
| var wpath = cordovaPathToNative(sanitize(fs.winpath + path)); | ||
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| getFileFromPathAsync(wpath).then( | ||
| function (storageFile) { | ||
| Windows.Storage.FileIO.readBufferAsync(storageFile).done( | ||
| function (buffer) { | ||
| hashObj.append(buffer) | ||
| var hashText = Windows.Security.Cryptography.CryptographicBuffer.encodeToHexString(hashObj.getValueAndReset()); | ||
| win({file: url, algo: algo, result: hashText}); | ||
| } | ||
| ); | ||
| }, function () { | ||
| fail({code: 2, message: "File not found"}); | ||
| } | ||
| ); | ||
| } | ||
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| module.exports = { | ||
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| md2: function (win, fail, args){ | ||
| fail({code: 5, message: "Algorithm not implemented."}); | ||
| }, | ||
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| md5: function (win, fail, args){ | ||
| var url = args[0]; | ||
| var alg = Windows.Security.Cryptography.Core.HashAlgorithmProvider.openAlgorithm(Windows.Security.Cryptography.Core.HashAlgorithmNames.md5); | ||
| var hash = alg.createHash(); | ||
| makeHash(win, fail, url, "md5", hash); | ||
| }, | ||
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| sha1: function (win, fail, args){ | ||
| var url = args[0]; | ||
| var alg = Windows.Security.Cryptography.Core.HashAlgorithmProvider.openAlgorithm(Windows.Security.Cryptography.Core.HashAlgorithmNames.sha1); | ||
| var hash = alg.createHash(); | ||
| makeHash(win, fail, url, "sha1", hash); | ||
| }, | ||
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| sha256: function (win, fail, args){ | ||
| var url = args[0]; | ||
| var alg = Windows.Security.Cryptography.Core.HashAlgorithmProvider.openAlgorithm(Windows.Security.Cryptography.Core.HashAlgorithmNames.sha256); | ||
| var hash = alg.createHash(); | ||
| makeHash(win, fail, url, "sha256", hash); | ||
| }, | ||
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| sha384: function (win, fail, args){ | ||
| var url = args[0]; | ||
| var alg = Windows.Security.Cryptography.Core.HashAlgorithmProvider.openAlgorithm(Windows.Security.Cryptography.Core.HashAlgorithmNames.sha384); | ||
| var hash = alg.createHash(); | ||
| makeHash(win, fail, url, "sha384", hash); | ||
| }, | ||
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| sha512: function (win, fail, args){ | ||
| var url = args[0]; | ||
| var alg = Windows.Security.Cryptography.Core.HashAlgorithmProvider.openAlgorithm(Windows.Security.Cryptography.Core.HashAlgorithmNames.sha512); | ||
| var hash = alg.createHash(); | ||
| makeHash(win, fail, url, "sha512", hash); | ||
| }, | ||
| }; | ||
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| require("cordova/exec/proxy").add("FileHash",module.exports); |