mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-17 16:26:39 +03:00
Joey Parrish
f539147d48
This fixes all the license headers in the main library, which corrects the appearance of the main license in the compiled output. It seems that the `!` in the header forces the compiler to keep it in the output. I believe older compiler releases did this purely based on `@license`. Issue #2638 Change-Id: I7f0e918caad10c9af689c9d07672b7fe9be7b2f3
112 lines
3.3 KiB
JavaScript
112 lines
3.3 KiB
JavaScript
/*! @license
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* Shaka Player
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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goog.provide('shaka.net.DataUriPlugin');
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goog.require('shaka.log');
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goog.require('shaka.net.NetworkingEngine');
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goog.require('shaka.util.AbortableOperation');
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goog.require('shaka.util.Error');
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goog.require('shaka.util.StringUtils');
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goog.require('shaka.util.Uint8ArrayUtils');
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/**
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* @summary A networking plugin to handle data URIs.
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* @see https://developer.mozilla.org/en-US/docs/Web/HTTP/data_URIs
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* @export
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*/
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shaka.net.DataUriPlugin = class {
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/**
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* @param {string} uri
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* @param {shaka.extern.Request} request
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* @param {shaka.net.NetworkingEngine.RequestType} requestType
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* @param {shaka.extern.ProgressUpdated} progressUpdated Called when a
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* progress event happened.
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* @return {!shaka.extern.IAbortableOperation.<shaka.extern.Response>}
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* @export
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*/
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static parse(uri, request, requestType, progressUpdated) {
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try {
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const parsed = shaka.net.DataUriPlugin.parseRaw(uri);
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/** @type {shaka.extern.Response} */
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const response = {
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uri: uri,
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originalUri: uri,
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data: parsed.data,
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headers: {
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'content-type': parsed.contentType,
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},
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};
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return shaka.util.AbortableOperation.completed(response);
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} catch (error) {
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return shaka.util.AbortableOperation.failed(error);
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}
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}
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/**
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* @param {string} uri
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* @return {{data: BufferSource, contentType: string}}
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*/
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static parseRaw(uri) {
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// Extract the scheme.
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const parts = uri.split(':');
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if (parts.length < 2 || parts[0] != 'data') {
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shaka.log.error('Bad data URI, failed to parse scheme');
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throw new shaka.util.Error(
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shaka.util.Error.Severity.CRITICAL,
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shaka.util.Error.Category.NETWORK,
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shaka.util.Error.Code.MALFORMED_DATA_URI,
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uri);
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}
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const path = parts.slice(1).join(':');
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// Extract the encoding and MIME type (required but can be empty).
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const infoAndData = path.split(',');
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if (infoAndData.length < 2) {
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shaka.log.error('Bad data URI, failed to extract encoding and MIME type');
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throw new shaka.util.Error(
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shaka.util.Error.Severity.CRITICAL,
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shaka.util.Error.Category.NETWORK,
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shaka.util.Error.Code.MALFORMED_DATA_URI,
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uri);
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}
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const info = infoAndData[0];
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const dataStr = window.decodeURIComponent(infoAndData.slice(1).join(','));
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// Extract the encoding (optional).
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const typeAndEncoding = info.split(';');
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let encoding = null;
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if (typeAndEncoding.length > 1) {
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encoding = typeAndEncoding[1];
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}
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// Convert the data.
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/** @type {BufferSource} */
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let data;
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if (encoding == 'base64') {
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data = shaka.util.Uint8ArrayUtils.fromBase64(dataStr);
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} else if (encoding) {
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shaka.log.error('Bad data URI, unknown encoding');
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throw new shaka.util.Error(
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shaka.util.Error.Severity.CRITICAL,
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shaka.util.Error.Category.NETWORK,
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shaka.util.Error.Code.UNKNOWN_DATA_URI_ENCODING,
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uri);
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} else {
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data = shaka.util.StringUtils.toUTF8(dataStr);
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}
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return {data: data, contentType: typeAndEncoding[0]};
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}
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};
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shaka.net.NetworkingEngine.registerScheme(
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'data', shaka.net.DataUriPlugin.parse);
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