From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- toolkit/modules/Http.sys.mjs | 103 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 toolkit/modules/Http.sys.mjs (limited to 'toolkit/modules/Http.sys.mjs') diff --git a/toolkit/modules/Http.sys.mjs b/toolkit/modules/Http.sys.mjs new file mode 100644 index 0000000000..faa487abe6 --- /dev/null +++ b/toolkit/modules/Http.sys.mjs @@ -0,0 +1,103 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// Strictly follow RFC 3986 when encoding URI components. +// Accepts a unescaped string and returns the URI encoded string for use in +// an HTTP request. +export function percentEncode(aString) { + return encodeURIComponent(aString) + .replace(/[!'()]/g, escape) + .replace(/\*/g, "%2A"); +} + +/* + * aOptions can have a variety of fields: + * headers, an array of headers + * postData, this can be: + * a string: send it as is + * an array of parameters: encode as form values + * null/undefined: no POST data. + * method, GET, POST or PUT (this is set automatically if postData exists). + * onLoad, a function handle to call when the load is complete, it takes two + * parameters: the responseText and the XHR object. + * onError, a function handle to call when an error occcurs, it takes three + * parameters: the error, the responseText and the XHR object. + * logger, an object that implements the debug and log methods (e.g. Log.sys.mjs). + * + * Headers or post data are given as an array of arrays, for each each inner + * array the first value is the key and the second is the value, e.g. + * [["key1", "value1"], ["key2", "value2"]]. + */ +export function httpRequest(aUrl, aOptions) { + let xhr = new XMLHttpRequest(); + xhr.mozBackgroundRequest = true; // no error dialogs + xhr.open(aOptions.method || (aOptions.postData ? "POST" : "GET"), aUrl); + xhr.channel.loadFlags = + Ci.nsIChannel.LOAD_ANONYMOUS | // don't send cookies + Ci.nsIChannel.LOAD_BYPASS_CACHE | + Ci.nsIChannel.INHIBIT_CACHING; + xhr.onerror = function (aProgressEvent) { + if (aOptions.onError) { + // adapted from toolkit/mozapps/extensions/nsBlocklistService.js + let request = aProgressEvent.target; + let status; + try { + // may throw (local file or timeout) + status = request.status; + } catch (e) { + request = request.channel.QueryInterface(Ci.nsIRequest); + status = request.status; + } + // When status is 0 we don't have a valid channel. + let statusText = status ? request.statusText : "offline"; + aOptions.onError(statusText, null, this); + } + }; + xhr.onload = function (aRequest) { + try { + let target = aRequest.target; + if (aOptions.logger) { + aOptions.logger.debug("Received response: " + target.responseText); + } + if (target.status < 200 || target.status >= 300) { + let errorText = target.responseText; + if (!errorText || /<(ht|\?x)ml\b/i.test(errorText)) { + errorText = target.statusText; + } + throw new Error(target.status + " - " + errorText); + } + if (aOptions.onLoad) { + aOptions.onLoad(target.responseText, this); + } + } catch (e) { + if (aOptions.onError) { + aOptions.onError(e, aRequest.target.responseText, this); + } + } + }; + + if (aOptions.headers) { + aOptions.headers.forEach(function (header) { + xhr.setRequestHeader(header[0], header[1]); + }); + } + + // Handle adding postData as defined above. + let POSTData = aOptions.postData || null; + if (POSTData && Array.isArray(POSTData)) { + xhr.setRequestHeader( + "Content-Type", + "application/x-www-form-urlencoded; charset=utf-8" + ); + POSTData = POSTData.map(p => p[0] + "=" + percentEncode(p[1])).join("&"); + } + + if (aOptions.logger) { + aOptions.logger.log( + "sending request to " + aUrl + " (POSTData = " + POSTData + ")" + ); + } + xhr.send(POSTData); + return xhr; +} -- cgit v1.2.3