sfx2/source/appl/flatpak.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <cassert>
  13 #include <cstdlib>
  14 #include <cstring>
  15
  16 #include <osl/file.hxx>
  17 #include <osl/thread.h>
  18 #include <rtl/textcvt.h>
  19 #include <rtl/ustring.h>
  20 #include <rtl/ustring.hxx>
  21 #include <sal/log.hxx>
  22 #include <sfx2/flatpak.hxx>
  23 #include <tools/debug.hxx>
  24 #include <unotools/tempfile.hxx>
  25 #include <unotools/ucbhelper.hxx>
  26
  27 bool flatpak::isFlatpak() {
  28     static auto const flatpak = [] { return std::getenv("LIBO_FLATPAK") != nullptr; }();
  29     return flatpak;
  30 }
  31
  32 namespace {
  33
  34 // Must only be accessed with SolarMutex locked:
  35 struct {
  36     bool created = false;
  37     OUString url;
  38 } temporaryHtmlDirectoryStatus;
  39
  40 }
  41
  42 bool flatpak::createTemporaryHtmlDirectory(OUString ** url) {
  43     assert(url != nullptr);
  44     DBG_TESTSOLARMUTEX();
  45     if (!temporaryHtmlDirectoryStatus.created) {
  46         auto const env = std::getenv("XDG_CACHE_HOME");
  47         if (env == nullptr) {
  48             SAL_WARN("sfx.appl", "LIBO_FLATPAK mode but unset XDG_CACHE_HOME");
  49             return false;
  50         }
  51         OUString path;
  52         if (!rtl_convertStringToUString(
  53                 &path.pData, env, std::strlen(env), osl_getThreadTextEncoding(),
  54                 (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR | RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR
  55                  | RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
  56         {
  57             SAL_WARN(
  58                 "sfx.appl",
  59                 "LIBO_FLATPAK mode failure converting XDG_CACHE_HOME \"" << env << "\" encoding");
  60             return false;
  61         }
  62         OUString parent;
  63         auto const err = osl::FileBase::getFileURLFromSystemPath(path, parent);
  64         if (err != osl::FileBase::E_None) {
  65             SAL_WARN(
  66                 "sfx.appl",
  67                 "LIBO_FLATPAK mode failure converting XDG_CACHE_HOME \"" << path << "\" to URL: "
  68                     << err);
  69             return false;
  70         }
  71         if (!parent.endsWith("/")) {
  72             parent += "/";
  73         }
  74         auto const tmp = utl::TempFile(&parent, true);
  75         if (!tmp.IsValid()) {
  76             SAL_WARN(
  77                 "sfx.appl", "LIBO_FLATPAK mode failure creating temp dir at <" << parent << ">");
  78             return false;
  79         }
  80         temporaryHtmlDirectoryStatus.url = tmp.GetURL();
  81         temporaryHtmlDirectoryStatus.created = true;
  82     }
  83     *url = &temporaryHtmlDirectoryStatus.url;
  84     return true;
  85 }
  86
  87 void flatpak::removeTemporaryHtmlDirectory() {
  88     DBG_TESTSOLARMUTEX();
  89     if (temporaryHtmlDirectoryStatus.created) {
  90         if (!utl::UCBContentHelper::Kill(temporaryHtmlDirectoryStatus.url)) {
  91             SAL_INFO(
  92                 "sfx.appl",
  93                 "LIBO_FLATPAK mode failure removing directory <"
  94                     << temporaryHtmlDirectoryStatus.url << ">");
  95         }
  96     }
  97 }
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */