Quelle bootstrap.cxx Sprache: C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
*   Licensed to the Apache Software Foundation (ASF) under one or more
*   contributor license agreements. See the NOTICE file distributed
*   with this work for additional information regarding copyright
*   ownership. The ASF licenses this file to you 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 .
*/

#include <sal/config.h>

#include <chrono>
#include <cstring>
#include <thread>

#include <rtl/bootstrap.hxx>
#include <rtl/random.h>
#include <rtl/ustrbuf.hxx>
#include <rtl/uri.hxx>
#include <osl/file.hxx>
#include <osl/security.hxx>
#include <osl/thread.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#include <osl/process.h>

#include <cppuhelper/bootstrap.hxx>
#include <cppuhelper/findsofficepath.h>

#include <com/sun/star/bridge/UnoUrlResolver.hpp>
#include <com/sun/star/bridge/XUnoUrlResolver.hpp>

#include "macro_expander.hxx"

namespace com :: sun :: star :: uno { class XComponentContext; }

using namespace ::osl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;

using rtl::Bootstrap;

namespace cppu
{

BootstrapException::BootstrapException()
{
}

BootstrapException::BootstrapException( const OUString & rMessage )
    :m_aMessage( rMessage )
{
}

BootstrapException::BootstrapException( const BootstrapException & e )
{
    m_aMessage = e.m_aMessage;
}

BootstrapException::~BootstrapException()
{
}

BootstrapException & BootstrapException::operator=( const BootstrapException & ;e )
{
    m_aMessage = e.m_aMessage;
    return *this;
}

const OUString & BootstrapException::getMessage() const
{
    return m_aMessage;
}

Reference< XComponentContext > SAL_CALL bootstrap()
{
    Reference< XComponentContext > xRemoteContext;

    try
    {
        auto* p1 = cppuhelper_detail_findSofficePath();
        if (p1 == nullptr) {
            throw BootstrapException(
                u"no soffice installation found!"_ustr);
        }
        OUString p2;
#if defined(_WIN32)
        p2 = o3tl::toU(p1);
        free(p1);
#else
        bool bOk = rtl_convertStringToUString(
                &p2.pData, p1, std::strlen(p1), osl_getThreadTextEncoding(),
                (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR |
                 RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR |
                 RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR));
        free(p1);
        if (!bOk)
        {
            throw BootstrapException(
                u"bad characters in soffice installation path!"_ustr);
        }
#endif
        OUString path;
        if (osl::FileBase::getFileURLFromSystemPath(p2, path) !=
            osl::FileBase::E_None)
        {
            throw BootstrapException(
                u"cannot convert soffice installation path to URL!"_ustr);
        }
        if (!path.isEmpty() && !path.endsWith("/")) {
            path += "/";
        }

        OUString uri;
        if (!Bootstrap::get(u"URE_BOOTSTRAP"_ustr, uri)) {
            Bootstrap::set(
                u"URE_BOOTSTRAP"_ustr,
                Bootstrap::encode(
                    path +
#if defined MACOSX
                    "../Resources/"
#endif
                    SAL_CONFIGFILE("fundamental")));
        }

        // create default local component context
        Reference< XComponentContext > xLocalContext(
            defaultBootstrap_InitialComponentContext() );
        if ( !xLocalContext.is() )
            throw BootstrapException( u"no local component context!"_ustr );

        // create a random pipe name
        sal_uInt8 bytes[ 16 ];
        if ( rtl_random_getBytes( nullptr, bytes, std::size( bytes ) )
            != rtl_Random_E_None )
            throw BootstrapException( u"random pool error!"_ustr );
        OUStringBuffer buf("uno");
        for (unsigned char byte : bytes)
            buf.append( static_cast< sal_Int32 >( byte ) );
        OUString sPipeName( buf.makeStringAndClear() );

        // arguments
        OUString args [] = {
            u"--nologo"_ustr,
            u"--nodefault"_ustr,
            u"--norestore"_ustr,
            u"--nolockcheck"_ustr,
            OUString("--accept=pipe,name=" + sPipeName + ";urp;")
        };
        rtl_uString * ar_args [] = {
            args[ 0 ].pData,
            args[ 1 ].pData,
            args[ 2 ].pData,
            args[ 3 ].pData,
            args[ 4 ].pData
        };
        ::osl::Security sec;

        // start office process
        oslProcess hProcess = nullptr;
        oslProcessError rc = osl_executeProcess(
            OUString(path + "soffice").pData, ar_args, std::size( ar_args ),
            osl_Process_DETACHED,
            sec.getHandle(),
            nullptr, // => current working dir
            nullptr, 0, // => no env vars
            &hProcess );
        switch ( rc )
        {
            case osl_Process_E_None:
                osl_freeProcessHandle( hProcess );
                break;
            case osl_Process_E_NotFound:
                throw BootstrapException( u"image not found!"_ustr );
            case osl_Process_E_TimedOut:
                throw BootstrapException( u"timeout occurred!"_ustr );
            case osl_Process_E_NoPermission:
                throw BootstrapException( u"permission denied!"_ustr );
            case osl_Process_E_Unknown:
                throw BootstrapException( u"unknown error!"_ustr );
            case osl_Process_E_InvalidError:
            default:
                throw BootstrapException( u"unmapped error!"_ustr );
        }

        // create a URL resolver
        Reference< bridge::XUnoUrlResolver > xUrlResolver(
            bridge::UnoUrlResolver::create( xLocalContext ) );

        // connection string
        OUString sConnectString( "uno:pipe,name=" + sPipeName + ";urp;StarOffice.ComponentContext" );

        // wait until office is started
        for ( ; ; )
        {
            try
            {
                // try to connect to office
                xRemoteContext.set(
                    xUrlResolver->resolve( sConnectString ), UNO_QUERY_THROW );
                break;
            }
            catch ( connection::NoConnectException & )
            {
                // wait 500 ms, then try to connect again
                std::this_thread::sleep_for(std::chrono::milliseconds(500));
            }
        }
    }
    catch ( Exception & e )
    {
        throw BootstrapException(
            "unexpected UNO exception caught: " + e.Message );
    }

    return xRemoteContext;
}

OUString bootstrap_expandUri(OUString const & uri) {
    OUString rest;
    return uri.startsWith("vnd.sun.star.expand:", &rest)
        ? cppuhelper::detail::expandMacros(
            rtl::Uri::decode(
                rest, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8))
        : uri;
}

} // namespace cppu

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

quality91%

¤ Dauer der Verarbeitung: 0.9 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.