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#include "MCZip.h"
#include "zip.h"
#include "unzip.h"
#include <sys/types.h>
#include <dirent.h>
#include <sys/stat.h>
#include <time.h>
using namespace mailcore;
static ErrorCode addFile(zipFile file, String * path);
ErrorCode mailcore::CreateZipFileFromFolder(String * zipFilename, String * path)
{
zipFile file = zipOpen(zipFilename->fileSystemRepresentation(), APPEND_STATUS_CREATE);
if (file == NULL) {
return ErrorFile;
}
addFile(file, path);
int err = zipClose(file, NULL);
if (err != ZIP_OK) {
return ErrorFile;
}
return ErrorNone;
}
static ErrorCode addFile(zipFile file, String * path)
{
const char * cPath = path->fileSystemRepresentation();
struct stat statinfo;
int r;
int err;
r = stat(cPath, &statinfo);
if (r < 0)
return ErrorFile;
if (S_ISDIR(statinfo.st_mode)) {
DIR * dir = opendir(cPath);
if (dir == NULL) {
return ErrorFile;
}
struct dirent * ent;
while ((ent = readdir(dir)) != NULL) {
if ((strcmp(ent->d_name, ".") == 0) || (strcmp(ent->d_name, "..") == 0)) {
continue;
}
String * subpath = path->stringByAppendingPathComponent(String::stringWithFileSystemRepresentation(ent->d_name));
addFile(file, subpath);
}
closedir(dir);
return ErrorNone;
}
time_t clock;
time(&clock);
struct tm timevalue;
zip_fileinfo zi;
gmtime_r(&clock, &timevalue);
zi.tmz_date.tm_sec = timevalue.tm_sec;
zi.tmz_date.tm_min = timevalue.tm_min;
zi.tmz_date.tm_hour = timevalue.tm_hour;
zi.tmz_date.tm_mday = timevalue.tm_mday;
zi.tmz_date.tm_mon = timevalue.tm_mon;
zi.tmz_date.tm_year = timevalue.tm_year;
zi.internal_fa = 0;
zi.external_fa = 0;
zi.dosDate = 0;
err = zipOpenNewFileInZip3(file, path->lastPathComponent()->fileSystemRepresentation(),
&zi, NULL, 0, NULL, 0, NULL,
Z_DEFLATED,
-1, 0,
-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
NULL, 0);
if (err != ZIP_OK) {
return ErrorFile;
}
FILE * f = fopen(cPath, "rb");
if (f == NULL) {
return ErrorFile;
}
char * bytes = (char *) malloc(4096);
size_t count;
do {
count = fread(bytes, 1, 4096, f);
err = zipWriteInFileInZip(file, bytes, (unsigned) count);
if (err != ZIP_OK) {
free(bytes);
zipCloseFileInZip(file);
return ErrorFile;
}
} while (count > 0);
free(bytes);
if (ferror(f)) {
return ErrorFile;
}
fclose(f);
err = zipCloseFileInZip(file);
if (err != ZIP_OK) {
return ErrorFile;
}
return ErrorNone;
}
String * mailcore::CreateTemporaryZipFileFromFolder(String * folder)
{
char tempdir[] = "/tmp/mailcore2-XXXXXX";
char * result = mkdtemp(tempdir);
if (result == NULL) {
return NULL;
}
String * tempDirectoryString = String::stringWithFileSystemRepresentation(tempdir);
String * path = tempDirectoryString->stringByAppendingPathComponent(folder->lastPathComponent())->stringByAppendingUTF8Format(".zip");
ErrorCode err = CreateZipFileFromFolder(path, folder);
if (err != ErrorNone) {
unlink(path->fileSystemRepresentation());
unlink(tempdir);
return NULL;
}
return path;
}
void mailcore::RemoveTemporaryZipFile(String * zipFilename)
{
String * tempDir = zipFilename->stringByDeletingLastPathComponent();
unlink(zipFilename->fileSystemRepresentation());
unlink(tempDir->fileSystemRepresentation());
}
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