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Support Google Cloud Storage headers

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This allows s3fs to interpret objects created by gsutil.
This commit is contained in:
Andrew Gaul 2020-05-03 18:04:55 +09:00
parent 6e134a23f9
commit 8945e98d8b
3 changed files with 32 additions and 11 deletions
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37
src/s3fs_util.cpp
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@ -797,13 +797,10 @@ time_t get_mtime(const char *str)
return static_cast<time_t>(s3fs_strtoofft(strmtime.c_str()));
}
static time_t get_time(headers_t& meta, bool overcheck, const char *header)
static time_t get_time(headers_t& meta, const char *header)
{
headers_t::const_iterator iter;
if(meta.end() == (iter = meta.find(header))){
if(overcheck){
return get_lastmodified(meta);
}
return 0;
}
return get_mtime((*iter).second.c_str());
@ -811,12 +808,30 @@ static time_t get_time(headers_t& meta, bool overcheck, const char *header)
time_t get_mtime(headers_t& meta, bool overcheck)
{
return get_time(meta, overcheck, "x-amz-meta-mtime");
time_t t = get_time(meta, "x-amz-meta-mtime");
if(t != 0){
return t;
}
t = get_time(meta, "x-amz-meta-goog-reserved-file-mtime");
if(t != 0){
return t;
}
if(overcheck){
return get_lastmodified(meta);
}
return 0;
}
time_t get_ctime(headers_t& meta, bool overcheck)
{
return get_time(meta, overcheck, "x-amz-meta-ctime");
time_t t = get_time(meta, "x-amz-meta-ctime");
if(t != 0){
return t;
}
if(overcheck){
return get_lastmodified(meta);
}
return 0;
}
off_t get_size(const char *s)
@ -833,9 +848,9 @@ off_t get_size(headers_t& meta)
return get_size((*iter).second.c_str());
}
mode_t get_mode(const char *s)
mode_t get_mode(const char *s, int base)
{
return static_cast<mode_t>(s3fs_strtoofft(s));
return static_cast<mode_t>(s3fs_strtoofft(s, base));
}
mode_t get_mode(headers_t& meta, const char* path, bool checkdir, bool forcedir)
@ -849,6 +864,8 @@ mode_t get_mode(headers_t& meta, const char* path, bool checkdir, bool forcedir)
}else if(meta.end() != (iter = meta.find("x-amz-meta-permissions"))){ // for s3sync
mode = get_mode((*iter).second.c_str());
isS3sync = true;
}else if(meta.end() != (iter = meta.find("x-amz-meta-goog-reserved-posix-mode"))){ // for GCS
mode = get_mode((*iter).second.c_str(), 8);
}else{
// If another tool creates an object without permissions, default to owner
// read-write and group readable.
@ -927,6 +944,8 @@ uid_t get_uid(headers_t& meta)
return get_uid((*iter).second.c_str());
}else if(meta.end() != (iter = meta.find("x-amz-meta-owner"))){ // for s3sync
return get_uid((*iter).second.c_str());
}else if(meta.end() != (iter = meta.find("x-amz-meta-goog-reserved-posix-uid"))){ // for GCS
return get_uid((*iter).second.c_str());
}else{
return geteuid();
}
@ -944,6 +963,8 @@ gid_t get_gid(headers_t& meta)
return get_gid((*iter).second.c_str());
}else if(meta.end() != (iter = meta.find("x-amz-meta-group"))){ // for s3sync
return get_gid((*iter).second.c_str());
}else if(meta.end() != (iter = meta.find("x-amz-meta-goog-reserved-posix-gid"))){ // for GCS
return get_gid((*iter).second.c_str());
}else{
return getegid();
}

2
src/s3fs_util.h
View File

@ -130,7 +130,7 @@ time_t get_mtime(headers_t& meta, bool overcheck = true);
time_t get_ctime(headers_t& meta, bool overcheck = true);
off_t get_size(const char *s);
off_t get_size(headers_t& meta);
mode_t get_mode(const char *s);
mode_t get_mode(const char *s, int base = 0);
mode_t get_mode(headers_t& meta, const char* path = NULL, bool checkdir = false, bool forcedir = false);
uid_t get_uid(const char *s);
uid_t get_uid(headers_t& meta);

4
test/integration-test-main.sh
View File

@ -540,8 +540,8 @@ function test_update_time() {
# create the test
mk_test_file
mtime=`get_ctime $TEST_TEXT_FILE`
ctime=`get_mtime $TEST_TEXT_FILE`
ctime=`get_ctime $TEST_TEXT_FILE`
mtime=`get_mtime $TEST_TEXT_FILE`
sleep 2
chmod +x $TEST_TEXT_FILE