filestack-js
Version:
Official JavaScript library for Filestack
123 lines (121 loc) • 13.2 kB
JavaScript
import { __awaiter, __generator } from "tslib";
/*
* Copyright (c) 2019 by Filestack.
* Some rights reserved.
*
* Licensed 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.
*/
import { File as FsFile } from './file';
import { getMimetype } from './../../utils';
import { FilestackError } from './../../../filestack_error';
import { base64Regexp, isFileNamed } from './file_tools';
/**
* Check if file is buffer
*
* @node
* @param input
*/
var isFileBuffer = function (input) { return Buffer.isBuffer(input); };
/**
* Check if input is a valid file path
*
* @node
* @param input
*/
var isFilePath = function (input) { return require('fs').existsSync(input); };
/**
* Check if file is base64 string
*
* @param input
*/
var isFileBase = function (input) {
if (typeof input !== 'string') {
return false;
}
if (input.indexOf('base64') > -1 && base64Regexp.test(input)) {
input = input.match(base64Regexp).pop();
}
if (Buffer.from(input, 'base64').toString('base64') === input) {
return true;
}
return false;
};
/**
* Accepts Buffer or filepath or base64 string
*
* @node
* @param {*} inputFile
* @returns {Promise<File>}
*/
export var getFile = function (input, sanitizeOptions) { return __awaiter(void 0, void 0, void 0, function () {
var filename, path_1, matches, mime_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (isFileNamed(input)) {
filename = input.name;
input = input.file;
}
if (isFilePath(input)) {
path_1 = input;
return [2 /*return*/, new Promise(function (resolve, reject) {
require('fs').readFile(path_1, function (err, buffer) { return __awaiter(void 0, void 0, void 0, function () {
var mime;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (err) {
return [2 /*return*/, reject(err)];
}
if (!filename) {
filename = require && require('path').basename(path_1);
}
return [4 /*yield*/, getMimetype(buffer, filename)];
case 1:
mime = _a.sent();
return [2 /*return*/, resolve(new FsFile({
name: filename,
size: buffer.byteLength,
type: mime,
slice: function (start, end) { return Promise.resolve(buffer.slice(start, end)); },
}, sanitizeOptions))];
}
});
}); });
})];
}
if (isFileBase(input)) {
matches = input.match(base64Regexp);
if (matches && matches.length === 2) {
input = Buffer.from(matches[2], 'base64');
}
else {
input = Buffer.from(input, 'base64');
}
}
if (!isFileBuffer(input)) return [3 /*break*/, 2];
return [4 /*yield*/, getMimetype(input, filename)];
case 1:
mime_1 = _a.sent();
return [2 /*return*/, Promise.resolve(new FsFile({
name: filename,
size: input.byteLength,
type: mime_1,
// @ts-ignore
slice: function (start, end) { return Promise.resolve(input.slice(start, end)); },
}, sanitizeOptions))];
case 2: return [2 /*return*/, Promise.reject(new FilestackError('Unsupported input file type'))];
}
});
}); };
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* Copyright (c) 2019 by Filestack.\n * Some rights reserved.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { File as FsFile } from './file';\nimport { SanitizeOptions, getMimetype } from './../../utils';\nimport { FilestackError } from './../../../filestack_error';\nimport { InputFile, base64Regexp, isFileNamed } from './file_tools';\n\n/**\n * Check if file is buffer\n *\n * @node\n * @param input\n */\nconst isFileBuffer = (input: InputFile): input is Buffer => Buffer.isBuffer(input);\n\n/**\n * Check if input is a valid file path\n *\n * @node\n * @param input\n */\nconst isFilePath = (input: InputFile): input is string => require('fs').existsSync(input);\n\n/**\n * Check if file is base64 string\n *\n * @param input\n */\nconst isFileBase = (input: InputFile): input is string => {\n  if (typeof input !== 'string') {\n    return false;\n  }\n\n  if (input.indexOf('base64') > -1 && base64Regexp.test(input)) {\n    input = input.match(base64Regexp).pop();\n  }\n\n  if (Buffer.from(input, 'base64').toString('base64') === input) {\n    return true;\n  }\n\n  return false;\n};\n\n/**\n * Accepts Buffer or filepath or base64 string\n *\n * @node\n * @param {*} inputFile\n * @returns {Promise<File>}\n */\nexport const getFile = async(input: InputFile, sanitizeOptions?: SanitizeOptions): Promise<FsFile> => {\n  let filename;\n\n  if (isFileNamed(input)) {\n    filename = input.name;\n    input = input.file;\n  }\n\n  if (isFilePath(input)) {\n    let path = input;\n    return new Promise((resolve, reject) => {\n      require('fs').readFile(path, async(err, buffer) => {\n        if (err) {\n          return reject(err);\n        }\n\n        if (!filename) {\n          filename = require && require('path').basename(path);\n        }\n        let mime = await getMimetype(buffer, filename);\n        return resolve(\n          new FsFile(\n            {\n              name: filename,\n              size: buffer.byteLength,\n              type: mime,\n              slice: (start, end) => Promise.resolve(buffer.slice(start, end)),\n            },\n            sanitizeOptions\n          )\n        );\n      });\n    });\n  }\n\n  if (isFileBase(input)) {\n    const matches = input.match(base64Regexp);\n    if (matches && matches.length === 2) {\n      input = Buffer.from(matches[2], 'base64');\n    } else {\n      input = Buffer.from(input, 'base64');\n    }\n  }\n\n  if (isFileBuffer(input)) {\n    let mime = await getMimetype(input, filename);\n    return Promise.resolve(\n      new FsFile(\n        {\n          name: filename,\n          size: input.byteLength,\n          type: mime,\n          // @ts-ignore\n          slice: (start, end) => Promise.resolve(input.slice(start, end)),\n        },\n        sanitizeOptions\n      )\n    );\n  }\n\n  return Promise.reject(new FilestackError('Unsupported input file type'));\n};\n"]}