#ifndef lint
static char rcsid[] = "@(#$Id: internfile.cpp,v 1.15 2006-01-23 13:32:28 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef TEST_INTERNFILE
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <string>
#include <iostream>
#ifndef NO_NAMESPACES
using namespace std;
#endif /* NO_NAMESPACES */
#include "internfile.h"
#include "mimetype.h"
#include "debuglog.h"
#include "mimehandler.h"
#include "execmd.h"
#include "pathut.h"
#include "wipedir.h"
// Execute the command to uncompress a file into a temporary one.
static bool uncompressfile(RclConfig *conf, const string& ifn,
const list<string>& cmdv, const string& tdir,
string& tfile)
{
// Make sure tmp dir is empty. we guarantee this to filters
if (wipedir(tdir) != 0) {
LOGERR(("uncompressfile: can't clear temp dir %s\n", tdir.c_str()));
return false;
}
string cmd = conf->findFilter(cmdv.front());
// Substitute file name and temp dir in command elements
list<string>::const_iterator it = cmdv.begin();
++it;
list<string> args;
for (; it != cmdv.end(); it++) {
string s = *it;
string ns;
string::const_iterator it1;
for (it1 = s.begin(); it1 != s.end();it1++) {
if (*it1 == '%') {
if (++it1 == s.end()) {
ns += '%';
break;
}
if (*it1 == '%')
ns += '%';
if (*it1 == 'f')
ns += ifn;
if (*it1 == 't')
ns += tdir;
} else {
ns += *it1;
}
}
args.push_back(ns);
}
// Execute command and retrieve output file name, check that it exists
ExecCmd ex;
int status = ex.doexec(cmd, args, 0, &tfile);
if (status) {
LOGERR(("uncompressfile: doexec: status 0x%x\n", status));
rmdir(tdir.c_str());
return false;
}
if (!tfile.empty() && tfile[tfile.length() - 1] == '\n')
tfile.erase(tfile.length() - 1, 1);
return true;
}
void FileInterner::tmpcleanup()
{
if (m_tdir.empty() || m_tfile.empty())
return;
if (unlink(m_tfile.c_str()) < 0) {
LOGERR(("FileInterner::tmpcleanup: unlink(%s) errno %d\n",
m_tfile.c_str(), errno));
return;
}
}
// Handler==0 on return says we're in error, will be handled when calling
// internfile
FileInterner::FileInterner(const std::string &f, RclConfig *cnf,
const string& td, const string *imime)
: m_fn(f), m_cfg(cnf), m_tdir(td), m_handler(0)
{
// We are actually going to access the file, so it's ok
// performancewise to check this config variable at every call
// even if it can only change when we change directories
string usfc;
int usfci;
if (!cnf->getConfParam("usesystemfilecommand", usfc))
usfci = 0;
else
usfci = atoi(usfc.c_str()) ? 1 : 0;
LOGDEB1(("FileInterner::FileInterner: usfci now %d\n", usfci));
bool forPreview = imime ? true : false;
// We need to run mime type identification in any case to check
// for a compressed file.
m_mime = mimetype(m_fn, m_cfg, usfci);
// If identification fails, try to use the input parameter. Note that this
// is normally not a compressed type (it's the mime type from the db)
if (m_mime.empty() && imime)
m_mime = *imime;
if (m_mime.empty()) {
// No mime type: not listed in our map, or present in stop list
LOGDEB(("FileInterner::FileInterner: (no mime) [%s]\n", m_fn.c_str()));
return;
}
// First check for a compressed file. If so, create a temporary
// uncompressed file, and rerun the mime type identification, then do the
// rest with the temp file.
list<string>ucmd;
if (m_cfg->getUncompressor(m_mime, ucmd)) {
if (!uncompressfile(m_cfg, m_fn, ucmd, m_tdir, m_tfile)) {
return;
}
LOGDEB(("internfile: after ucomp: m_tdir %s, tfile %s\n",
m_tdir.c_str(), m_tfile.c_str()));
m_fn = m_tfile;
m_mime = mimetype(m_fn, m_cfg, usfci);
if (m_mime.empty() && imime)
m_mime = *imime;
if (m_mime.empty()) {
// No mime type ?? pass on.
LOGDEB(("internfile: (no mime) [%s]\n", m_fn.c_str()));
return;
}
}
// Look for appropriate handler
m_handler = getMimeHandler(m_mime, m_cfg);
if (!m_handler) {
// No handler for this type, for now :(
LOGDEB(("FileInterner::FileInterner: %s: no handler\n",
m_mime.c_str()));
return;
}
m_handler->setForPreview(forPreview);
LOGDEB(("FileInterner::FileInterner: %s [%s]\n", m_mime.c_str(),
m_fn.c_str()));
}
FileInterner::Status FileInterner::internfile(Rcl::Doc& doc, string& ipath)
{
if (!m_handler)
return FIError;
// Turn file into a document. The document has fields for title, body
// etc., all text converted to utf8
MimeHandler::Status mhs =
m_handler->mkDoc(m_cfg, m_fn, m_mime, doc, ipath);
FileInterner::Status ret = FIError;
switch (mhs) {
case MimeHandler::MHError:
LOGERR(("FileInterner::internfile: error parsing %s\n", m_fn.c_str()));
break;
case MimeHandler::MHDone: ret = FIDone;break;
case MimeHandler::MHAgain: ret = FIAgain;break;
}
doc.mimetype = m_mime;
return ret;
}
FileInterner::~FileInterner()
{
delete m_handler;
m_handler = 0;
tmpcleanup();
}
#else
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <string>
using namespace std;
#include "debuglog.h"
#include "rclinit.h"
#include "internfile.h"
static string thisprog;
static string usage =
" internfile <filename> [ipath]\n"
" \n\n"
;
static void
Usage(void)
{
cerr << thisprog << ": usage:\n" << usage;
exit(1);
}
static int op_flags;
#define OPT_q 0x1
int main(int argc, char **argv)
{
thisprog = argv[0];
argc--; argv++;
while (argc > 0 && **argv == '-') {
(*argv)++;
if (!(**argv))
/* Cas du "adb - core" */
Usage();
while (**argv)
switch (*(*argv)++) {
default: Usage(); break;
}
argc--; argv++;
}
DebugLog::getdbl()->setloglevel(DEBDEB1);
DebugLog::setfilename("stderr");
if (argc < 1)
Usage();
string fn(*argv++);
argc--;
string ipath;
if (argc >= 1) {
ipath.append(*argv++);
argc--;
}
string reason;
RclConfig *config = recollinit(0, 0, reason);
if (config == 0 || !config->ok()) {
string str = "Configuration problem: ";
str += reason;
fprintf(stderr, "%s\n", str.c_str());
exit(1);
}
FileInterner interner(fn, config, "/tmp");
Rcl::Doc doc;
FileInterner::Status status = interner.internfile(doc, ipath);
switch (status) {
case FileInterner::FIDone:
case FileInterner::FIAgain:
break;
case FileInterner::FIError:
default:
fprintf(stderr, "internfile failed\n");
exit(1);
}
cout << "doc.url [[[[" << doc.url <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.ipath [[[[" << doc.ipath <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.mimetype [[[[" << doc.mimetype <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.fmtime [[[[" << doc.fmtime <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.dmtime [[[[" << doc.dmtime <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.origcharset [[[[" << doc.origcharset <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.title [[[[" << doc.title <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.keywords [[[[" << doc.keywords <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.abstract [[[[" << doc.abstract <<
"]]]]\n-----------------------------------------------------\n" <<
"doc.text [[[[" << doc.text << "]]]]\n";
}
#endif // TEST_INTERNFILE