From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- extensions/pref/autoconfig/src/nsAutoConfig.cpp | 465 ++++++++++++++++++++++++ 1 file changed, 465 insertions(+) create mode 100644 extensions/pref/autoconfig/src/nsAutoConfig.cpp (limited to 'extensions/pref/autoconfig/src/nsAutoConfig.cpp') diff --git a/extensions/pref/autoconfig/src/nsAutoConfig.cpp b/extensions/pref/autoconfig/src/nsAutoConfig.cpp new file mode 100644 index 0000000000..c558d2e021 --- /dev/null +++ b/extensions/pref/autoconfig/src/nsAutoConfig.cpp @@ -0,0 +1,465 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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/. */ + +#include "mozilla/ResultExtensions.h" +#include "nsAutoConfig.h" +#include "nsJSConfigTriggers.h" + +#include "nsIURI.h" +#include "nsIHttpChannel.h" +#include "nsThreadUtils.h" +#include "nsAppDirectoryServiceDefs.h" +#include "nsIObserverService.h" +#include "nsLiteralString.h" +#include "nsIPromptService.h" +#include "nsIInputStream.h" +#include "nsIOutputStream.h" +#include "nsIPrefBranch.h" +#include "nsIPrefService.h" +#include "nsIStringBundle.h" +#include "nsContentUtils.h" +#include "nsCRT.h" +#include "nsNetCID.h" +#include "nsNetUtil.h" +#include "nspr.h" +#include + +#include "mozilla/IntegerPrintfMacros.h" +#include "mozilla/Logging.h" +#include "mozilla/SpinEventLoopUntil.h" +#include "mozilla/Try.h" + +using mozilla::LogLevel; + +mozilla::LazyLogModule MCD("MCD"); + +// nsISupports Implementation + +NS_IMPL_ISUPPORTS(nsAutoConfig, nsITimerCallback, nsIStreamListener, + nsIObserver, nsIRequestObserver, nsISupportsWeakReference, + nsINamed) + +nsAutoConfig::nsAutoConfig() {} + +nsresult nsAutoConfig::Init() { + // member initializers and constructor code + + nsresult rv; + mLoaded = false; + + // Registering the object as an observer to the profile-after-change topic + nsCOMPtr observerService = + do_GetService("@mozilla.org/observer-service;1", &rv); + if (NS_FAILED(rv)) return rv; + + rv = observerService->AddObserver(this, "profile-after-change", true); + + return rv; +} + +nsAutoConfig::~nsAutoConfig() {} + +void nsAutoConfig::SetConfigURL(const char* aConfigURL) { + mConfigURL.Assign(aConfigURL); +} + +NS_IMETHODIMP +nsAutoConfig::OnStartRequest(nsIRequest* request) { return NS_OK; } + +NS_IMETHODIMP +nsAutoConfig::OnDataAvailable(nsIRequest* request, nsIInputStream* aIStream, + uint64_t aSourceOffset, uint32_t aLength) { + uint32_t amt, size; + nsresult rv; + char buf[1024]; + + while (aLength) { + size = std::min(aLength, sizeof(buf)); + rv = aIStream->Read(buf, size, &amt); + if (NS_FAILED(rv)) return rv; + mBuf.Append(buf, amt); + aLength -= amt; + } + return NS_OK; +} + +NS_IMETHODIMP +nsAutoConfig::OnStopRequest(nsIRequest* request, nsresult aStatus) { + nsresult rv; + + // If the request is failed, go read the failover.jsc file + if (NS_FAILED(aStatus)) { + MOZ_LOG(MCD, LogLevel::Debug, + ("mcd request failed with status %" PRIx32 "\n", + static_cast(aStatus))); + return readOfflineFile(); + } + + // Checking for the http response, if failure go read the failover file. + nsCOMPtr pHTTPCon(do_QueryInterface(request)); + if (pHTTPCon) { + uint32_t httpStatus; + rv = pHTTPCon->GetResponseStatus(&httpStatus); + if (NS_FAILED(rv) || httpStatus != 200) { + MOZ_LOG(MCD, LogLevel::Debug, + ("mcd http request failed with status %x\n", httpStatus)); + return readOfflineFile(); + } + } + + // Send the autoconfig.jsc to javascript engine. + + rv = EvaluateAdminConfigScript(mBuf.get(), mBuf.Length(), nullptr, false, + true, false); + if (NS_SUCCEEDED(rv)) { + // Write the autoconfig.jsc to failover.jsc (cached copy) + rv = writeFailoverFile(); + + if (NS_FAILED(rv)) NS_WARNING("Error writing failover.jsc file"); + + // Releasing the lock to allow the main thread to start execution + mLoaded = true; + + return NS_OK; + } + // there is an error in parsing of the autoconfig file. + NS_WARNING( + "Error reading autoconfig.jsc from the network, reading the offline " + "version"); + return readOfflineFile(); +} + +// Notify method as a TimerCallBack function +NS_IMETHODIMP nsAutoConfig::Notify(nsITimer* timer) { + downloadAutoConfig(); + return NS_OK; +} + +NS_IMETHODIMP +nsAutoConfig::GetName(nsACString& aName) { + aName.AssignLiteral("nsAutoConfig"); + return NS_OK; +} + +/* Observe() is called twice: once at the instantiation time and other + after the profile is set. It doesn't do anything but return NS_OK during the + creation time. Second time it calls downloadAutoConfig(). +*/ + +NS_IMETHODIMP nsAutoConfig::Observe(nsISupports* aSubject, const char* aTopic, + const char16_t* someData) { + nsresult rv = NS_OK; + if (!nsCRT::strcmp(aTopic, "profile-after-change")) { + // We will be calling downloadAutoConfig even if there is no profile + // name. Nothing will be passed as a parameter to the URL and the + // default case will be picked up by the script. + + rv = downloadAutoConfig(); + } + + return rv; +} + +nsresult nsAutoConfig::downloadAutoConfig() { + nsresult rv; + nsAutoCString emailAddr; + static bool firstTime = true; + + if (mConfigURL.IsEmpty()) { + MOZ_LOG(MCD, LogLevel::Debug, + ("global config url is empty - did you set " + "autoadmin.global_config_url?\n")); + NS_WARNING("AutoConfig called without global_config_url"); + return NS_OK; + } + + // If there is an email address appended as an argument to the ConfigURL + // in the previous read, we need to remove it when timer kicks in and + // downloads the autoconfig file again. + // If necessary, the email address will be added again as an argument. + int32_t index = mConfigURL.RFindChar((char16_t)'?'); + if (index != -1) mConfigURL.Truncate(index); + + // Clean up the previous read, the new read is going to use the same buffer + if (!mBuf.IsEmpty()) mBuf.Truncate(0); + + // Get the preferences branch and save it to the member variable + if (!mPrefBranch) { + nsCOMPtr prefs = + do_GetService(NS_PREFSERVICE_CONTRACTID, &rv); + if (NS_FAILED(rv)) return rv; + + rv = prefs->GetBranch(nullptr, getter_AddRefs(mPrefBranch)); + if (NS_FAILED(rv)) return rv; + } + + // Check to see if the network is online/offline + nsCOMPtr ios = do_GetService(NS_IOSERVICE_CONTRACTID, &rv); + if (NS_FAILED(rv)) return rv; + + bool offline; + rv = ios->GetOffline(&offline); + if (NS_FAILED(rv)) return rv; + + if (offline) { + bool offlineFailover; + rv = mPrefBranch->GetBoolPref("autoadmin.offline_failover", + &offlineFailover); + // Read the failover.jsc if the network is offline and the pref says so + if (NS_SUCCEEDED(rv) && offlineFailover) return readOfflineFile(); + } + + /* Append user's identity at the end of the URL if the pref says so. + First we are checking for the user's email address but if it is not + available in the case where the client is used without messenger, user's + profile name will be used as an unique identifier + */ + bool appendMail; + rv = mPrefBranch->GetBoolPref("autoadmin.append_emailaddr", &appendMail); + if (NS_SUCCEEDED(rv) && appendMail) { + rv = getEmailAddr(emailAddr); + if (NS_SUCCEEDED(rv) && emailAddr.get()) { + /* Adding the unique identifier at the end of autoconfig URL. + In this case the autoconfig URL is a script and + emailAddr as passed as an argument + */ + mConfigURL.Append('?'); + mConfigURL.Append(emailAddr); + } + } + + // create a new url + nsCOMPtr url; + nsCOMPtr channel; + + rv = NS_NewURI(getter_AddRefs(url), mConfigURL); + if (NS_FAILED(rv)) { + MOZ_LOG( + MCD, LogLevel::Debug, + ("failed to create URL - is autoadmin.global_config_url valid? - %s\n", + mConfigURL.get())); + return rv; + } + + MOZ_LOG(MCD, LogLevel::Debug, ("running MCD url %s\n", mConfigURL.get())); + // open a channel for the url + rv = NS_NewChannel( + getter_AddRefs(channel), url, nsContentUtils::GetSystemPrincipal(), + nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL, + nsIContentPolicy::TYPE_OTHER, + nullptr, // nsICookieJarSettings + nullptr, // PerformanceStorage + nullptr, // loadGroup + nullptr, // aCallbacks + nsIRequest::INHIBIT_PERSISTENT_CACHING | nsIRequest::LOAD_BYPASS_CACHE); + + if (NS_FAILED(rv)) return rv; + + rv = channel->AsyncOpen(this); + if (NS_FAILED(rv)) { + readOfflineFile(); + return rv; + } + + // Set a repeating timer if the pref is set. + // This is to be done only once. + // Also We are having the event queue processing only for the startup + // It is not needed with the repeating timer. + if (firstTime) { + firstTime = false; + + /* process events until we're finished. AutoConfig.jsc reading needs + to be finished before the browser starts loading up + We are waiting for the mLoaded which will be set through + onStopRequest or readOfflineFile methods + There is a possibility of deadlock so we need to make sure + that mLoaded will be set to true in any case (success/failure) + */ + + if (!mozilla::SpinEventLoopUntil("nsAutoConfig::downloadAutoConfig"_ns, + [&]() { return mLoaded; })) { + return NS_ERROR_FAILURE; + } + + int32_t minutes; + rv = mPrefBranch->GetIntPref("autoadmin.refresh_interval", &minutes); + if (NS_SUCCEEDED(rv) && minutes > 0) { + // Create a new timer and pass this nsAutoConfig + // object as a timer callback. + MOZ_TRY_VAR(mTimer, + NS_NewTimerWithCallback(this, minutes * 60 * 1000, + nsITimer::TYPE_REPEATING_SLACK)); + } + } // first_time + + return NS_OK; +} // nsPref::downloadAutoConfig() + +nsresult nsAutoConfig::readOfflineFile() { + nsresult rv; + + /* Releasing the lock to allow main thread to start + execution. At this point we do not need to stall + the thread since all network activities are done. + */ + mLoaded = true; + + bool failCache; + rv = mPrefBranch->GetBoolPref("autoadmin.failover_to_cached", &failCache); + if (NS_SUCCEEDED(rv) && !failCache) { + // disable network connections and return. + + nsCOMPtr ios = do_GetService(NS_IOSERVICE_CONTRACTID, &rv); + if (NS_FAILED(rv)) return rv; + + bool offline; + rv = ios->GetOffline(&offline); + if (NS_FAILED(rv)) return rv; + + if (!offline) { + rv = ios->SetOffline(true); + if (NS_FAILED(rv)) return rv; + } + + // lock the "network.online" prference so user cannot toggle back to + // online mode. + rv = mPrefBranch->SetBoolPref("network.online", false); + if (NS_FAILED(rv)) return rv; + + mPrefBranch->LockPref("network.online"); + return NS_OK; + } + + /* faiover_to_cached is set to true so + Open the file and read the content. + execute the javascript file + */ + + nsCOMPtr failoverFile; + rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, + getter_AddRefs(failoverFile)); + if (NS_FAILED(rv)) return rv; + + failoverFile->AppendNative("failover.jsc"_ns); + rv = evaluateLocalFile(failoverFile); + if (NS_FAILED(rv)) + NS_WARNING("Couldn't open failover.jsc, going back to default prefs"); + return NS_OK; +} + +nsresult nsAutoConfig::evaluateLocalFile(nsIFile* file) { + nsresult rv; + nsCOMPtr inStr; + + rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), file); + if (NS_FAILED(rv)) return rv; + + int64_t fileSize; + file->GetFileSize(&fileSize); + uint32_t fs = fileSize; // Converting 64 bit structure to unsigned int + char* buf = (char*)malloc(fs * sizeof(char)); + if (!buf) return NS_ERROR_OUT_OF_MEMORY; + + uint32_t amt = 0; + rv = inStr->Read(buf, fs, &amt); + if (NS_SUCCEEDED(rv)) { + EvaluateAdminConfigScript(buf, fs, nullptr, false, true, false); + } + inStr->Close(); + free(buf); + return rv; +} + +nsresult nsAutoConfig::writeFailoverFile() { + nsresult rv; + nsCOMPtr failoverFile; + nsCOMPtr outStr; + uint32_t amt; + + rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, + getter_AddRefs(failoverFile)); + if (NS_FAILED(rv)) return rv; + + failoverFile->AppendNative("failover.jsc"_ns); + + rv = NS_NewLocalFileOutputStream(getter_AddRefs(outStr), failoverFile); + if (NS_FAILED(rv)) return rv; + rv = outStr->Write(mBuf.get(), mBuf.Length(), &amt); + outStr->Close(); + return rv; +} + +nsresult nsAutoConfig::getEmailAddr(nsACString& emailAddr) { + nsresult rv; + nsAutoCString prefValue; + + /* Getting an email address through set of three preferences: + First getting a default account with + "mail.accountmanager.defaultaccount" + second getting an associated id with the default account + Third getting an email address with id + */ + + rv = + mPrefBranch->GetCharPref("mail.accountmanager.defaultaccount", prefValue); + if (NS_SUCCEEDED(rv) && !prefValue.IsEmpty()) { + emailAddr = "mail.account."_ns + prefValue + ".identities"_ns; + rv = mPrefBranch->GetCharPref(PromiseFlatCString(emailAddr).get(), + prefValue); + if (NS_FAILED(rv) || prefValue.IsEmpty()) + return PromptForEMailAddress(emailAddr); + int32_t commandIndex = prefValue.FindChar(','); + if (commandIndex != kNotFound) prefValue.Truncate(commandIndex); + emailAddr = "mail.identity."_ns + prefValue + ".useremail"_ns; + rv = mPrefBranch->GetCharPref(PromiseFlatCString(emailAddr).get(), + prefValue); + if (NS_FAILED(rv) || prefValue.IsEmpty()) + return PromptForEMailAddress(emailAddr); + emailAddr = prefValue; + } else { + // look for 4.x pref in case we just migrated. + rv = mPrefBranch->GetCharPref("mail.identity.useremail", prefValue); + if (NS_SUCCEEDED(rv) && !prefValue.IsEmpty()) + emailAddr = prefValue; + else + PromptForEMailAddress(emailAddr); + } + + return NS_OK; +} + +nsresult nsAutoConfig::PromptForEMailAddress(nsACString& emailAddress) { + nsresult rv; + nsCOMPtr promptService = + do_GetService("@mozilla.org/prompter;1", &rv); + NS_ENSURE_SUCCESS(rv, rv); + nsCOMPtr bundleService = + do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv); + NS_ENSURE_SUCCESS(rv, rv); + + nsCOMPtr bundle; + rv = bundleService->CreateBundle( + "chrome://autoconfig/locale/autoconfig.properties", + getter_AddRefs(bundle)); + NS_ENSURE_SUCCESS(rv, rv); + + nsAutoString title; + rv = bundle->GetStringFromName("emailPromptTitle", title); + NS_ENSURE_SUCCESS(rv, rv); + + nsAutoString err; + rv = bundle->GetStringFromName("emailPromptMsg", err); + NS_ENSURE_SUCCESS(rv, rv); + bool check = false; + nsString emailResult; + bool success; + rv = promptService->Prompt(nullptr, title.get(), err.get(), + getter_Copies(emailResult), nullptr, &check, + &success); + if (!success) return NS_ERROR_FAILURE; + NS_ENSURE_SUCCESS(rv, rv); + LossyCopyUTF16toASCII(emailResult, emailAddress); + return NS_OK; +} -- cgit v1.2.3