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joplin/ReactNativeClient/lib/shim-init-node.js
2018-09-28 19:24:57 +01:00

319 lines
9.4 KiB
JavaScript

const fs = require('fs-extra');
const { shim } = require('lib/shim.js');
const { GeolocationNode } = require('lib/geolocation-node.js');
const { FileApiDriverLocal } = require('lib/file-api-driver-local.js');
const { time } = require('lib/time-utils.js');
const { setLocale, defaultLocale, closestSupportedLocale } = require('lib/locale.js');
const { FsDriverNode } = require('lib/fs-driver-node.js');
const mimeUtils = require('lib/mime-utils.js').mime;
const Note = require('lib/models/Note.js');
const Resource = require('lib/models/Resource.js');
const urlValidator = require('valid-url');
function shimInit() {
shim.fsDriver = () => { throw new Error('Not implemented') }
shim.FileApiDriverLocal = FileApiDriverLocal;
shim.Geolocation = GeolocationNode;
shim.FormData = require('form-data');
shim.sjclModule = require('lib/vendor/sjcl.js');
shim.fsDriver = () => {
if (!shim.fsDriver_) shim.fsDriver_ = new FsDriverNode();
return shim.fsDriver_;
}
shim.randomBytes = async (count) => {
const buffer = require('crypto').randomBytes(count);
return Array.from(buffer);
}
shim.detectAndSetLocale = function (Setting) {
let locale = process.env.LANG;
if (!locale) locale = defaultLocale();
locale = locale.split('.');
locale = locale[0];
locale = closestSupportedLocale(locale);
Setting.setValue('locale', locale);
setLocale(locale);
return locale;
}
shim.writeImageToFile = async function(nativeImage, mime, targetPath) {
if (shim.isElectron()) { // For Electron
let buffer = null;
mime = mime.toLowerCase();
if (mime === 'image/png') {
buffer = nativeImage.toPNG();
} else if (mime === 'image/jpg' || mime === 'image/jpeg') {
buffer = nativeImage.toJPEG(90);
}
if (!buffer) throw new Error('Cannot resize image because mime type "' + mime + '" is not supported: ' + targetPath);
await shim.fsDriver().writeFile(targetPath, buffer, 'buffer');
} else {
throw new Error('Node support not implemented');
}
}
const resizeImage_ = async function(filePath, targetPath, mime) {
if (shim.isElectron()) { // For Electron
const nativeImage = require('electron').nativeImage;
let image = nativeImage.createFromPath(filePath);
if (image.isEmpty()) throw new Error('Image is invalid or does not exist: ' + filePath);
const maxDim = Resource.IMAGE_MAX_DIMENSION;
const size = image.getSize();
if (size.width <= maxDim && size.height <= maxDim) {
shim.fsDriver().copy(filePath, targetPath);
return;
}
const options = {};
if (size.width > size.height) {
options.width = maxDim;
} else {
options.height = maxDim;
}
image = image.resize(options);
await shim.writeImageToFile(image, mime, targetPath);
} else { // For the CLI tool
const sharp = require('sharp');
return new Promise((resolve, reject) => {
sharp(filePath)
.resize(Resource.IMAGE_MAX_DIMENSION, Resource.IMAGE_MAX_DIMENSION)
.max()
.withoutEnlargement()
.toFile(targetPath, (err, info) => {
if (err) {
reject(err);
} else {
resolve(info);
}
});
});
}
}
shim.createResourceFromPath = async function(filePath) {
const readChunk = require('read-chunk');
const imageType = require('image-type');
const { uuid } = require('lib/uuid.js');
const { basename, fileExtension, safeFileExtension } = require('lib/path-utils.js');
const mime = require('mime/lite');
if (!(await fs.pathExists(filePath))) throw new Error(_('Cannot access %s', filePath));
let resource = Resource.new();
resource.id = uuid.create();
resource.mime = mime.getType(filePath);
resource.title = basename(filePath);
let fileExt = safeFileExtension(fileExtension(filePath));
if (!resource.mime) {
const buffer = await readChunk(filePath, 0, 64);
const detectedType = imageType(buffer);
if (detectedType) {
fileExt = detectedType.ext;
resource.mime = detectedType.mime;
} else {
resource.mime = 'application/octet-stream';
}
}
resource.file_extension = fileExt;
let targetPath = Resource.fullPath(resource);
if (resource.mime == 'image/jpeg' || resource.mime == 'image/jpg' || resource.mime == 'image/png') {
const result = await resizeImage_(filePath, targetPath, resource.mime);
} else {
const stat = await shim.fsDriver().stat(filePath);
if (stat.size >= 10000000) throw new Error('Resources larger than 10 MB are not currently supported as they may crash the mobile applications. The issue is being investigated and will be fixed at a later time.');
await fs.copy(filePath, targetPath, { overwrite: true });
}
return await Resource.save(resource, { isNew: true });
}
shim.attachFileToNote = async function(note, filePath, position = null) {
const resource = await shim.createResourceFromPath(filePath);
const newBody = [];
if (position === null) {
position = note.body ? note.body.length : 0;
}
if (note.body && position) newBody.push(note.body.substr(0, position));
newBody.push(Resource.markdownTag(resource));
if (note.body) newBody.push(note.body.substr(position));
const newNote = Object.assign({}, note, {
body: newBody.join('\n\n'),
});
return await Note.save(newNote);
}
shim.imageFromDataUrl = async function(imageDataUrl, filePath, options = null) {
if (options === null) options = {};
if (shim.isElectron()) {
const nativeImage = require('electron').nativeImage;
let image = nativeImage.createFromDataURL(imageDataUrl);
if (image.isEmpty()) throw new Error('Could not convert data URL to image'); // Would throw for example if the image format is no supported (eg. image/gif)
if (options.cropRect) {
// Crop rectangle values need to be rounded or the crop() call will fail
const c = options.cropRect;
if ('x' in c) c.x = Math.round(c.x);
if ('y' in c) c.y = Math.round(c.y);
if ('width' in c) c.width = Math.round(c.width);
if ('height' in c) c.height = Math.round(c.height);
image = image.crop(c);
}
const mime = mimeUtils.fromDataUrl(imageDataUrl);
await shim.writeImageToFile(image, mime, filePath);
} else {
if (options.cropRect) throw new Error('Crop rect not supported in Node');
const imageDataURI = require('image-data-uri');
const result = imageDataURI.decode(imageDataUrl);
await shim.fsDriver().writeFile(filePath, result.dataBuffer, 'buffer');
}
}
const nodeFetch = require('node-fetch');
// Not used??
shim.readLocalFileBase64 = (path) => {
const data = fs.readFileSync(path);
return new Buffer(data).toString('base64');
}
shim.fetch = async function(url, options = null) {
const validatedUrl = urlValidator.isUri(url);
if (!validatedUrl) throw new Error('Not a valid URL: ' + url);
return shim.fetchWithRetry(() => {
return nodeFetch(url, options)
}, options);
}
shim.fetchBlob = async function(url, options) {
if (!options || !options.path) throw new Error('fetchBlob: target file path is missing');
if (!options.method) options.method = 'GET';
//if (!('maxRetry' in options)) options.maxRetry = 5;
const urlParse = require('url').parse;
url = urlParse(url.trim());
const method = options.method ? options.method : 'GET';
const http = url.protocol.toLowerCase() == 'http:' ? require('follow-redirects').http : require('follow-redirects').https;
const headers = options.headers ? options.headers : {};
const filePath = options.path;
function makeResponse(response) {
return {
ok: response.statusCode < 400,
path: filePath,
text: () => { return response.statusMessage; },
json: () => { return { message: response.statusCode + ': ' + response.statusMessage }; },
status: response.statusCode,
headers: response.headers,
};
}
const requestOptions = {
protocol: url.protocol,
host: url.hostname,
port: url.port,
method: method,
path: url.path + (url.query ? '?' + url.query : ''),
headers: headers,
};
const doFetchOperation = async () => {
return new Promise((resolve, reject) => {
let file = null;
const cleanUpOnError = (error) => {
// We ignore any unlink error as we only want to report on the main error
fs.unlink(filePath).catch(() => {}).then(() => {
if (file) {
file.close(() => {
file = null;
reject(error);
});
} else {
reject(error);
}
});
}
try {
// Note: relative paths aren't supported
file = fs.createWriteStream(filePath);
file.on('error', function(error) {
cleanUpOnError(error);
});
const request = http.request(requestOptions, function(response) {
response.pipe(file);
file.on('finish', function() {
file.close(() => {
resolve(makeResponse(response));
});
});
})
request.on('error', function(error) {
cleanUpOnError(error);
});
request.end();
} catch (error) {
cleanUpOnError(error);
}
});
};
return shim.fetchWithRetry(doFetchOperation, options);
}
shim.uploadBlob = async function(url, options) {
if (!options || !options.path) throw new Error('uploadBlob: source file path is missing');
const content = await fs.readFile(options.path);
options = Object.assign({}, options, {
body: content,
});
return shim.fetch(url, options);
}
shim.stringByteLength = function(string) {
return Buffer.byteLength(string, 'utf-8');
}
shim.Buffer = Buffer;
shim.openUrl = (url) => {
const { bridge } = require('electron').remote.require('./bridge');
bridge().openExternal(url)
}
shim.waitForFrame = () => {}
}
module.exports = { shimInit };