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joplin/ReactNativeClient/lib/shim-init-node.js
2020-05-20 17:16:43 +01:00

458 lines
13 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 { 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');
const { _ } = require('lib/locale.js');
const http = require('http');
const https = require('https');
const toRelative = require('relative');
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');
}
};
shim.showMessageBox = (message, options = null) => {
if (shim.isElectron()) {
const { bridge } = require('electron').remote.require('./bridge');
return bridge().showMessageBox(message, options);
} else {
throw new Error('Not implemented');
}
};
const handleResizeImage_ = async function(filePath, targetPath, mime, resizeLargeImages) {
const maxDim = Resource.IMAGE_MAX_DIMENSION;
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 size = image.getSize();
let mustResize = size.width > maxDim || size.height > maxDim;
if (mustResize && resizeLargeImages === 'ask') {
const answer = shim.showMessageBox(_('You are about to attach a large image (%dx%d pixels). Would you like to resize it down to %d pixels before attaching it?', size.width, size.height, maxDim), {
buttons: [_('Yes'), _('No'), _('Cancel')],
});
if (answer === 2) return false;
mustResize = answer === 0;
}
if (!mustResize) {
shim.fsDriver().copy(filePath, targetPath);
return true;
}
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');
const image = sharp(filePath);
const md = await image.metadata();
if (md.width <= maxDim && md.height <= maxDim) {
shim.fsDriver().copy(filePath, targetPath);
return true;
}
return new Promise((resolve, reject) => {
image
.resize(Resource.IMAGE_MAX_DIMENSION, Resource.IMAGE_MAX_DIMENSION, {
fit: 'inside',
withoutEnlargement: true,
})
.toFile(targetPath, (err, info) => {
if (err) {
reject(err);
} else {
resolve(info);
}
});
});
}
return true;
};
shim.createResourceFromPath = async function(filePath, defaultProps = null, options = null) {
options = Object.assign({
resizeLargeImages: 'always', // 'always' or 'ask'
}, options);
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');
if (!(await fs.pathExists(filePath))) throw new Error(_('Cannot access %s', filePath));
defaultProps = defaultProps ? defaultProps : {};
const resourceId = defaultProps.id ? defaultProps.id : uuid.create();
let resource = Resource.new();
resource.id = resourceId;
resource.mime = mimeUtils.fromFilename(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;
const targetPath = Resource.fullPath(resource);
if (['image/jpeg', 'image/jpg', 'image/png'].includes(resource.mime)) {
const ok = await handleResizeImage_(filePath, targetPath, resource.mime, options.resizeLargeImages);
if (!ok) return null;
} 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 });
}
if (defaultProps) {
resource = Object.assign({}, resource, defaultProps);
}
const itDoes = await shim.fsDriver().waitTillExists(targetPath);
if (!itDoes) throw new Error(`Resource file was not created: ${targetPath}`);
const fileStat = await shim.fsDriver().stat(targetPath);
resource.size = fileStat.size;
return Resource.save(resource, { isNew: true });
};
shim.attachFileToNoteBody = async function(noteBody, filePath, position = null, options = null) {
options = Object.assign({}, {
createFileURL: false,
}, options);
const { basename } = require('path');
const { escapeLinkText } = require('lib/markdownUtils');
const { toFileProtocolPath } = require('lib/path-utils');
let resource = null;
if (!options.createFileURL) {
resource = await shim.createResourceFromPath(filePath, null, options);
if (!resource) return null;
}
const newBody = [];
if (position === null) {
position = noteBody ? noteBody.length : 0;
}
if (noteBody && position) newBody.push(noteBody.substr(0, position));
if (!options.createFileURL) {
newBody.push(Resource.markdownTag(resource));
} else {
const filename = escapeLinkText(basename(filePath)); // to get same filename as standard drag and drop
const fileURL = `[${filename}](${toFileProtocolPath(filePath)})`;
newBody.push(fileURL);
}
if (noteBody) newBody.push(noteBody.substr(position));
return newBody.join('\n\n');
};
shim.attachFileToNote = async function(note, filePath, position = null, options = null) {
const newBody = await shim.attachFileToNoteBody(note.body, filePath, position, options);
if (!newBody) return null;
const newNote = Object.assign({}, note, {
body: newBody,
});
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 - perhaps the format is not supported (eg. image/gif)'); // 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}: ${response.statusMessage}` };
},
status: response.statusCode,
headers: response.headers,
};
}
const requestOptions = {
protocol: url.protocol,
host: url.hostname,
port: url.port,
method: method,
path: url.pathname + (url.query ? `?${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');
// Returns true if it opens the file successfully; returns false if it could
// not find the file.
return bridge().openExternal(url);
};
shim.httpAgent_ = null;
shim.httpAgent = (url) => {
if (shim.isLinux() && !shim.httpAgent) {
const AgentSettings = {
keepAlive: true,
maxSockets: 1,
keepAliveMsecs: 5000,
};
if (url.startsWith('https')) {
shim.httpAgent_ = new https.Agent(AgentSettings);
} else {
shim.httpAgent_ = new http.Agent(AgentSettings);
}
}
return shim.httpAgent_;
};
shim.openOrCreateFile = (filepath, defaultContents) => {
// If the file doesn't exist, create it
if (!fs.existsSync(filepath)) {
fs.writeFile(filepath, defaultContents, 'utf-8', (error) => {
if (error) {
console.error(`error: ${error}`);
}
});
}
// Open the file
return shim.openUrl(`file://${filepath}`);
};
shim.waitForFrame = () => {};
shim.appVersion = () => {
if (shim.isElectron()) {
const p = require('../packageInfo.js');
return p.version;
}
const p = require('../package.json');
return p.version;
};
shim.pathRelativeToCwd = (path) => {
return toRelative(process.cwd(), path);
};
}
module.exports = { shimInit };