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transmission/gtk/blocklist.c

174 lines
4 KiB
C

#include <stdarg.h>
#include <stdlib.h> /* getenv() */
#include <unistd.h> /* write() */
#include <glib.h>
#include <glib/gprintf.h>
#include <glib/gi18n.h>
#include <curl/curl.h>
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
#include <libtransmission/version.h>
#include "blocklist.h"
#include "tr-core.h"
#include "tr-prefs.h"
#include "util.h"
#define BLOCKLIST_DATE "blocklist-date"
/***
****
***/
struct idle_data
{
TrCore * core;
gboolean isDone;
char * str;
};
static gboolean
emitProgressIdle( gpointer gdata )
{
struct idle_data * data = gdata;
tr_core_blocksig( data->core, data->isDone, data->str );
g_free( data->str );
g_free( data );
return FALSE;
}
static void
emitProgress( TrCore * core,
gboolean isDone,
const char * fmt,
... )
{
struct idle_data * data = tr_new0( struct idle_data, 1 );
va_list args;
data->core = core;
data->isDone = isDone;
va_start( args, fmt );
g_vasprintf( &data->str, fmt, args );
va_end( args );
tr_inf( "%s", data->str );
g_idle_add( emitProgressIdle, data );
}
/***
****
***/
static size_t
writeFunc( void * ptr,
size_t size,
size_t nmemb,
void * fd )
{
const size_t byteCount = size * nmemb;
return write( *(int*)fd, ptr, byteCount );
}
static gpointer
blocklistThreadFunc( gpointer gcore )
{
TrCore * core = TR_CORE( gcore );
const char * url =
"http://download.m0k.org/transmission/files/level1.gz";
gboolean ok = TRUE;
char * filename = NULL;
char * filename2 = NULL;
int fd;
int rules;
emitProgress( core, FALSE, _( "Retrieving blocklist..." ) );
if( ok )
{
GError * err = NULL;
fd = g_file_open_tmp( "transmission-blockfile-XXXXXX", &filename,
&err );
if( err )
{
emitProgress( core, TRUE, _(
"Unable to get blocklist: %s" ), err->message );
g_clear_error( &err );
ok = FALSE;
}
}
if( ok )
{
CURL * curl = curl_easy_init( );
curl_easy_setopt( curl, CURLOPT_URL, url );
curl_easy_setopt( curl, CURLOPT_ENCODING, "deflate" );
curl_easy_setopt( curl, CURLOPT_USERAGENT,
"Transmission/" LONG_VERSION_STRING );
curl_easy_setopt( curl, CURLOPT_VERBOSE, getenv(
"TR_CURL_VERBOSE" ) != NULL );
curl_easy_setopt( curl, CURLOPT_WRITEFUNCTION, writeFunc );
curl_easy_setopt( curl, CURLOPT_WRITEDATA, &fd );
curl_easy_setopt( curl, CURLOPT_NOPROGRESS, 1 );
ok = !curl_easy_perform( curl );
curl_easy_cleanup( curl );
close( fd );
}
if( !ok )
{
emitProgress( core, TRUE, _( "Unable to get blocklist." ) );
}
if( ok )
{
char * cmd;
emitProgress( core, FALSE, _( "Uncompressing blocklist..." ) );
filename2 = g_strdup_printf( "%s.txt", filename );
cmd = g_strdup_printf( "zcat %s > %s ", filename, filename2 );
tr_dbg( "%s", cmd );
(void) system( cmd );
g_free( cmd );
}
if( ok )
{
emitProgress( core, FALSE, _( "Parsing blocklist..." ) );
rules = tr_blocklistSetContent( tr_core_handle( core ), filename2 );
}
if( ok )
{
emitProgress( core, TRUE, _(
"Blocklist updated with %'d entries" ), rules );
pref_int_set( BLOCKLIST_DATE, time( NULL ) );
}
g_free( filename2 );
g_free( filename );
return NULL;
}
/***
****
***/
void
gtr_blocklist_update( TrCore * core )
{
g_thread_create( blocklistThreadFunc, core, TRUE, NULL );
}
void
gtr_blocklist_maybe_autoupdate( TrCore * core )
{
if( pref_flag_get( PREF_KEY_BLOCKLIST_UPDATES_ENABLED )
&& ( time( NULL ) - pref_int_get( BLOCKLIST_DATE ) >
( 60 * 60 * 24 * 7 ) ) )
gtr_blocklist_update( core );
}