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file upload handler: make uploaded file read-only to prevent repeat upload 

... and if we try to upload a file and it exists and is read-only,
return success so the client won't keep trying.
This commit is contained in:
David Anderson 2015-10-16 22:57:53 -07:00
parent 6971a298c7
commit ce00365f86
1 changed files with 10 additions and 0 deletions
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10
sched/file_upload_handler.cpp
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@ -159,6 +159,13 @@ int copy_socket_to_file(FILE* in, char* path, double offset, double nbytes) {
S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH
);
if (fd<0) {
if (errno == EACCES) {
// this is this case when the file was already uploaded
// and made read-only;
// return success to the client won't keep trying
//
return return_success(0);
}
return return_error(ERR_TRANSIENT,
"can't open file %s: %s\n", path, strerror(errno)
);
@ -253,6 +260,9 @@ int copy_socket_to_file(FILE* in, char* path, double offset, double nbytes) {
bytes_left -= n;
}
// upload complete; make the file read-only so we won't try to upload it again.
//
fchmod(fd, S_IRUSR|S_IRGRP|S_IROTH);
close(fd);
return return_success(0);
}