This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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87 lines
2.5 KiB
87 lines
2.5 KiB
/** |
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* Copyright (c) 2015-present, Facebook, Inc. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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* |
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* @providesModule FormData |
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* @flow |
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*/ |
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'use strict'; |
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type FormDataValue = any; |
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type FormDataNameValuePair = [string, FormDataValue]; |
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type Headers = {[name: string]: string}; |
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type FormDataPart = { |
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string: string, |
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headers: Headers, |
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} | { |
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uri: string, |
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headers: Headers, |
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name?: string, |
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type?: string, |
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}; |
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/** |
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* Polyfill for XMLHttpRequest2 FormData API, allowing multipart POST requests |
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* with mixed data (string, native files) to be submitted via XMLHttpRequest. |
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* |
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* Example: |
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* |
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* var photo = { |
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* uri: uriFromCameraRoll, |
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* type: 'image/jpeg', |
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* name: 'photo.jpg', |
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* }; |
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* |
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* var body = new FormData(); |
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* body.append('authToken', 'secret'); |
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* body.append('photo', photo); |
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* body.append('title', 'A beautiful photo!'); |
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* |
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* xhr.open('POST', serverURL); |
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* xhr.send(body); |
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*/ |
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class FormData { |
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_parts: Array<FormDataNameValuePair>; |
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constructor() { |
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this._parts = []; |
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} |
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append(key: string, value: FormDataValue) { |
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// The XMLHttpRequest spec doesn't specify if duplicate keys are allowed. |
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// MDN says that any new values should be appended to existing values. |
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// In any case, major browsers allow duplicate keys, so that's what we'll do |
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// too. They'll simply get appended as additional form data parts in the |
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// request body, leaving the server to deal with them. |
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this._parts.push([key, value]); |
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} |
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getParts(): Array<FormDataPart> { |
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return this._parts.map(([name, value]) => { |
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var contentDisposition = 'form-data; name="' + name + '"'; |
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var headers: Headers = {'content-disposition': contentDisposition}; |
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// The body part is a "blob", which in React Native just means |
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// an object with a `uri` attribute. Optionally, it can also |
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// have a `name` and `type` attribute to specify filename and |
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// content type (cf. web Blob interface.) |
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if (typeof value === 'object' && value) { |
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if (typeof value.name === 'string') { |
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headers['content-disposition'] += '; filename="' + value.name + '"'; |
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} |
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if (typeof value.type === 'string') { |
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headers['content-type'] = value.type; |
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} |
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return {...value, headers, fieldName: name}; |
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} |
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// Convert non-object values to strings as per FormData.append() spec |
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return {string: String(value), headers, fieldName: name}; |
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}); |
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} |
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} |
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module.exports = FormData;
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