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a59cfc70a1
closes #5887 - make use of the new 'fallthrough' option which landed in express-static 1.10.0 - change local-file-store and middleware serving `/public/` and `/shared/` files to use the new `fallthrough: false` option - 404s are now served directly, without slashes or uncapitalise getting triggered
60 lines
2.2 KiB
JavaScript
60 lines
2.2 KiB
JavaScript
// # Local File System Image Storage module
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// The (default) module for storing images, using the local file system
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var serveStatic = require('express').static,
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fs = require('fs-extra'),
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path = require('path'),
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util = require('util'),
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Promise = require('bluebird'),
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errors = require('../errors'),
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config = require('../config'),
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utils = require('../utils'),
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baseStore = require('./base');
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function LocalFileStore() {
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}
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util.inherits(LocalFileStore, baseStore);
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// ### Save
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// Saves the image to storage (the file system)
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// - image is the express image object
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// - returns a promise which ultimately returns the full url to the uploaded image
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LocalFileStore.prototype.save = function (image, targetDir) {
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targetDir = targetDir || this.getTargetDir(config.paths.imagesPath);
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var targetFilename;
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return this.getUniqueFileName(this, image, targetDir).then(function (filename) {
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targetFilename = filename;
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return Promise.promisify(fs.mkdirs)(targetDir);
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}).then(function () {
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return Promise.promisify(fs.copy)(image.path, targetFilename);
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}).then(function () {
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// The src for the image must be in URI format, not a file system path, which in Windows uses \
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// For local file system storage can use relative path so add a slash
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var fullUrl = (config.paths.subdir + '/' + config.paths.imagesRelPath + '/' +
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path.relative(config.paths.imagesPath, targetFilename)).replace(new RegExp('\\' + path.sep, 'g'), '/');
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return fullUrl;
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}).catch(function (e) {
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errors.logError(e);
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return Promise.reject(e);
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});
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};
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LocalFileStore.prototype.exists = function (filename) {
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return new Promise(function (resolve) {
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fs.stat(filename, function (err) {
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var exists = !err;
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resolve(exists);
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});
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});
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};
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// middleware for serving the files
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LocalFileStore.prototype.serve = function () {
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// For some reason send divides the max age number by 1000
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// Fallthrough: false ensures that if an image isn't found, it automatically 404s
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return serveStatic(config.paths.imagesPath, {maxAge: utils.ONE_YEAR_MS, fallthrough: false});
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};
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module.exports = LocalFileStore;
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