mirror of
https://github.com/laurent22/joplin.git
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103 lines
3.0 KiB
TypeScript
103 lines
3.0 KiB
TypeScript
/* eslint-disable import/prefer-default-export */
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// This is a modified version of the file-uri-to-path package:
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//
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// - It removes the dependency to the "path" package, which wouldn't work with
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// React Native.
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//
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// - It always returns paths with forward slashes "/". This is normally handled
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// properly everywhere.
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//
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// - Adds the "platform" parameter to optionall return paths with "\" for win32
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function fileUriToPath_(uri: string, platform: string) {
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const sep = '/';
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if (
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typeof uri !== 'string' ||
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uri.length <= 7 ||
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uri.substring(0, 7) !== 'file://'
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) {
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throw new TypeError(
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'must pass in a file:// URI to convert to a file path',
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);
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}
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const rest = decodeURI(uri.substring(7));
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const firstSlash = rest.indexOf('/');
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let host = rest.substring(0, firstSlash);
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let path = rest.substring(firstSlash + 1);
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// 2. Scheme Definition
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// As a special case, <host> can be the string "localhost" or the empty
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// string; this is interpreted as "the machine from which the URL is
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// being interpreted".
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if (host === 'localhost') {
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host = '';
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}
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if (host) {
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host = sep + sep + host;
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}
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// 3.2 Drives, drive letters, mount points, file system root
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// Drive letters are mapped into the top of a file URI in various ways,
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// depending on the implementation; some applications substitute
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// vertical bar ("|") for the colon after the drive letter, yielding
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// "file:///c|/tmp/test.txt". In some cases, the colon is left
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// unchanged, as in "file:///c:/tmp/test.txt". In other cases, the
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// colon is simply omitted, as in "file:///c/tmp/test.txt".
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path = path.replace(/^(.+)\|/, '$1:');
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// for Windows, we need to invert the path separators from what a URI uses
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// if (sep === '\\') {
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// path = path.replace(/\//g, '\\');
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// }
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if (/^.+:/.test(path)) {
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// has Windows drive at beginning of path
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} else {
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// unix path…
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path = sep + path;
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}
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if (platform === 'win32') {
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return (host + path).replace(/\//g, '\\');
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} else {
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return host + path;
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}
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}
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export const fileUriToPath = (path: string, platform = 'linux') => {
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const output = fileUriToPath_(path, platform);
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// The file-uri-to-path module converts Windows path such as
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//
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// file://c:/autoexec.bat => \\c:\autoexec.bat
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//
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// Probably because a file:// that starts with only two slashes is not
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// quite valid. If we use three slashes, it works:
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//
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// file:///c:/autoexec.bat => c:\autoexec.bat
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//
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// However there are various places in the app where we can find
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// paths with only two slashes because paths are often constructed
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// as `file://${resourcePath}` - which works in all OSes except
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// Windows.
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//
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// So here we introduce a special case - if we detect that we have
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// an invalid Windows path that starts with \\x:, we just remove
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// the first two backslashes.
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//
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// https://github.com/laurent22/joplin/issues/5693
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if (output.match(/^\/\/[a-zA-Z]:/)) {
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return output.substr(2);
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}
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return output;
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};
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export const isDataUrl = (path: string) => {
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return path.startsWith('data:');
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};
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