]> git.lyx.org Git - lyx.git/blobdiff - src/Converter.cpp
support to indent formulas
[lyx.git] / src / Converter.cpp
index 58e486e67d3dde4b2fe6aad4de2ba1ca2a5f9a96..104ad0a42c49eea8281ea69da72c5c80ae7d5b33 100644 (file)
@@ -21,7 +21,9 @@
 #include "Format.h"
 #include "Language.h"
 #include "LaTeX.h"
+#include "LyXRC.h"
 #include "Mover.h"
+#include "Session.h"
 
 #include "frontends/alert.h"
 
@@ -100,7 +102,7 @@ Converter::Converter(string const & f, string const & t,
                     string const & c, string const & l)
        : from_(f), to_(t), command_(c), flags_(l),
          From_(0), To_(0), latex_(false), xml_(false),
-         need_aux_(false), nice_(false)
+         need_aux_(false), nice_(false), need_auth_(false)
 {}
 
 
@@ -128,9 +130,11 @@ void Converter::readFlags()
                        parselog_ = flag_value;
                else if (flag_name == "nice")
                        nice_ = true;
+               else if (flag_name == "needauth")
+                       need_auth_ = true;
        }
        if (!result_dir_.empty() && result_file_.empty())
-               result_file_ = "index." + formats.extension(to_);
+               result_file_ = "index." + theFormats().extension(to_);
        //if (!contains(command, token_from))
        //      latex = true;
 }
@@ -164,8 +168,8 @@ int Converters::getNumber(string const & from, string const & to) const
 void Converters::add(string const & from, string const & to,
                     string const & command, string const & flags)
 {
-       formats.add(from);
-       formats.add(to);
+       theFormats().add(from);
+       theFormats().add(to);
        ConverterList::iterator it = find_if(converterlist_.begin(),
                                             converterlist_.end(),
                                             ConverterEqual(from , to));
@@ -275,6 +279,57 @@ OutputParams::FLAVOR Converters::getFlavor(Graph::EdgePath const & path,
 }
 
 
+bool Converters::checkAuth(Converter const & conv, string const & doc_fname)
+{
+       if (!conv.need_auth())
+               return true;
+       const docstring security_warning = bformat(
+             _("<p>The requested operation requires the use of a converter from "
+               "%2$s to %3$s:</p>"
+               "<blockquote><p><tt>%1$s</tt></p></blockquote>"
+               "<p>This external program can execute arbitrary commands on your "
+               "system, including dangerous ones, if instructed to do so by a "
+               "maliciously crafted .lyx document.</p>"),
+             from_utf8(conv.command()), from_utf8(conv.from()),
+             from_utf8(conv.to()));
+       if (lyxrc.use_converter_needauth_forbidden) {
+               frontend::Alert::error(
+                   _("An external converter is disabled for security reasons"),
+                   security_warning + _(
+                   "<p><b>Your current preference settings forbid its execution.</b></p>"
+                   "<p>(To change this setting, go to <i>Preferences &#x25b9; File "
+                   "Handling &#x25b9; Converters</i> and uncheck <i>Security &#x25b9; "
+                   "Forbid needauth converters</i>.)"), false);
+               return false;
+       }
+       if (!lyxrc.use_converter_needauth)
+               return true;
+       static const docstring security_title =
+               _("An external converter requires your authorization");
+       int choice;
+       const docstring security_warning2 = security_warning +
+               _("<p>Would you like to run this converter?</p>"
+                 "<p><b>Only run if you trust the origin/sender of the LyX "
+                 "document!</b></p>");
+       if (!doc_fname.empty()) {
+               LYXERR(Debug::FILES, "looking up: " << doc_fname);
+               std::set<std::string> & auth_files = theSession().authFiles().authFiles();
+               if (auth_files.find(doc_fname) == auth_files.end()) {
+                       choice = frontend::Alert::prompt(security_title, security_warning2,
+                               0, 0, _("Do &not run"), _("&Run"), _("&Always run for this document"));
+                       if (choice == 2)
+                               auth_files.insert(doc_fname);
+               } else {
+                       choice = 1;
+               }
+       } else {
+               choice = frontend::Alert::prompt(security_title, security_warning2,
+                       0, 0, _("Do &not run"), _("&Run"));
+       }
+       return choice != 0;
+}
+
+
 bool Converters::convert(Buffer const * buffer,
                         FileName const & from_file, FileName const & to_file,
                         FileName const & orig_from,
@@ -295,8 +350,8 @@ bool Converters::convert(Buffer const * buffer,
                        // default one from ImageMagic.
                        string const from_ext = from_format.empty() ?
                                getExtension(from_file.absFileName()) :
-                               formats.extension(from_format);
-                       string const to_ext = formats.extension(to_format);
+                               theFormats().extension(from_format);
+                       string const to_ext = theFormats().extension(to_format);
                        string const command =
                                os::python() + ' ' +
                                quoteName(libFileSearch("scripts", "convertDefault.py").toFilesystemEncoding()) +
@@ -343,11 +398,13 @@ bool Converters::convert(Buffer const * buffer,
                        buffer->params().bufferFormat() == "latex"
                        && buffer->params().encoding().package() == Encoding::japanese;
                runparams.use_indices = buffer->params().use_indices;
-               runparams.bibtex_command = (buffer->params().bibtex_command == "default") ?
-                       string() : buffer->params().bibtex_command;
+               runparams.bibtex_command = buffer->params().bibtexCommand();
                runparams.index_command = (buffer->params().index_command == "default") ?
                        string() : buffer->params().index_command;
                runparams.document_language = buffer->params().language->babel();
+               runparams.only_childbibs = !buffer->params().useBiblatex()
+                               && !buffer->params().useBibtopic()
+                               && buffer->params().multibib == "child";
        }
 
        // Some converters (e.g. lilypond) can only output files to the
@@ -402,17 +459,24 @@ bool Converters::convert(Buffer const * buffer,
                                                   "tmpfile.out"));
                }
 
+               if (!checkAuth(conv, buffer ? buffer->absFileName() : string()))
+                       return false;
+
                if (conv.latex()) {
+                       // We are not importing, we have a buffer
+                       LATTEST(buffer);
                        run_latex = true;
                        string command = conv.command();
                        command = subst(command, token_from, "");
-                       command = subst(command, token_latex_encoding, buffer ?
-                               buffer->params().encoding().latexName() : string());
+                       command = subst(command, token_latex_encoding,
+                                       buffer->params().encoding().latexName());
                        LYXERR(Debug::FILES, "Running " << command);
                        if (!runLaTeX(*buffer, command, runparams, errorList))
                                return false;
                } else {
                        if (conv.need_aux() && !run_latex) {
+                               // We are not importing, we have a buffer
+                               LATTEST(buffer);
                                string command;
                                switch (runparams.flavor) {
                                case OutputParams::DVILUATEX:
@@ -701,15 +765,15 @@ bool Converters::runLaTeX(Buffer const & buffer, string const & command,
 void Converters::buildGraph()
 {
        // clear graph's data structures
-       G_.init(formats.size());
+       G_.init(theFormats().size());
        // each of the converters knows how to convert one format to another
        // so, for each of them, we create an arrow on the graph, going from
        // the one to the other
        ConverterList::iterator it = converterlist_.begin();
        ConverterList::iterator const end = converterlist_.end();
        for (; it != end ; ++it) {
-               int const from = formats.getNumber(it->from());
-               int const to   = formats.getNumber(it->to());
+               int const from = theFormats().getNumber(it->from());
+               int const to   = theFormats().getNumber(it->to());
                LASSERT(from >= 0, continue);
                LASSERT(to >= 0, continue);
                G_.addEdge(from, to);
@@ -725,7 +789,7 @@ FormatList const Converters::intToFormat(vector<int> const & input)
        vector<int>::const_iterator const end = input.end();
        FormatList::iterator rit = result.begin();
        for ( ; it != end; ++it, ++rit) {
-               *rit = &formats.get(*it);
+               *rit = &theFormats().get(*it);
        }
        return result;
 }
@@ -735,7 +799,7 @@ FormatList const Converters::getReachableTo(string const & target,
                bool const clear_visited)
 {
        vector<int> const & reachablesto =
-               G_.getReachableTo(formats.getNumber(target), clear_visited);
+               G_.getReachableTo(theFormats().getNumber(target), clear_visited);
 
        return intToFormat(reachablesto);
 }
@@ -750,10 +814,10 @@ FormatList const Converters::getReachable(string const & from,
        set<string>::const_iterator sit = excludes.begin();
        set<string>::const_iterator const end = excludes.end();
        for (; sit != end; ++sit)
-               excluded_numbers.insert(formats.getNumber(*sit));
+               excluded_numbers.insert(theFormats().getNumber(*sit));
 
        vector<int> const & reachables =
-               G_.getReachable(formats.getNumber(from),
+               G_.getReachable(theFormats().getNumber(from),
                                only_viewable,
                                clear_visited,
                                excluded_numbers);
@@ -764,15 +828,15 @@ FormatList const Converters::getReachable(string const & from,
 
 bool Converters::isReachable(string const & from, string const & to)
 {
-       return G_.isReachable(formats.getNumber(from),
-                             formats.getNumber(to));
+       return G_.isReachable(theFormats().getNumber(from),
+                             theFormats().getNumber(to));
 }
 
 
 Graph::EdgePath Converters::getPath(string const & from, string const & to)
 {
-       return G_.getPath(formats.getNumber(from),
-                         formats.getNumber(to));
+       return G_.getPath(theFormats().getNumber(from),
+                         theFormats().getNumber(to));
 }