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Added some more checks to _object_fn_by_md5().

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default 2023-06-18 20:08:51 +02:00
parent 551bf92b3b
commit 51ef347334
1 changed files with 17 additions and 26 deletions
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41
data.c
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@ -545,18 +545,24 @@ xs_list *index_list_desc(const char *fn, int skip, int show)
static xs_str *_object_fn_by_md5(const char *md5, const char *func)
{
/* object deleted in an index; fail, but don't bark */
if (md5[0] == '-')
return NULL;
xs *bfn = xs_fmt("%s/object/%c%c", srv_basedir, md5[0], md5[1]);
int ok = 1;
/* an object deleted from an index; fail but don't bark */
if (md5[0] == '-')
ok = 0;
else
if (!xs_is_hex(md5) || strlen(md5) != 32) {
srv_log(xs_fmt("_object_fn_by_md5() [from %s()]: bad md5 '%s'", func, md5));
return NULL;
ok = 0;
}
xs *bfn = xs_fmt("%s/object/%c%c", srv_basedir, md5[0], md5[1]);
if (ok)
mkdirx(bfn);
else {
xs_free(bfn);
bfn = xs_fmt("%s/object/invalid", srv_basedir);
}
return xs_fmt("%s/%s.json", bfn, md5);
}
@ -573,7 +579,7 @@ int object_here_by_md5(const char *id)
/* checks if an object is already downloaded */
{
xs *fn = _object_fn_by_md5(id, "object_here_by_md5");
return fn && mtime(fn) > 0.0;
return mtime(fn) > 0.0;
}
@ -589,16 +595,9 @@ int object_get_by_md5(const char *md5, xs_dict **obj)
/* returns a stored object, optionally of the requested type */
{
int status = 404;
xs *fn = NULL;
xs *fn = _object_fn_by_md5(md5, "object_get_my_md5");
FILE *f;
/* objects deleted in indexes start with - */
if (md5[0] == '-')
return status;
if (xs_is_null((fn = _object_fn_by_md5(md5, "object_get_my_md5"))))
return 500;
if ((f = fopen(fn, "r")) != NULL) {
flock(fileno(f), LOCK_SH);
@ -702,9 +701,6 @@ int object_del_by_md5(const char *md5)
int status = 404;
xs *fn = _object_fn_by_md5(md5, "object_del_by_md5");
if (xs_is_null(fn))
return 500;
if (unlink(fn) != -1) {
status = 200;
@ -742,7 +738,7 @@ int object_del_if_unref(const char *id)
int n_links;
int ret = 0;
if (fn && mtime_nl(fn, &n_links) > 0.0 && n_links < 2)
if (mtime_nl(fn, &n_links) > 0.0 && n_links < 2)
ret = object_del(id);
return ret;
@ -752,7 +748,7 @@ int object_del_if_unref(const char *id)
double object_ctime_by_md5(const char *md5)
{
xs *fn = _object_fn_by_md5(md5, "object_ctime_by_md5");
return fn ? f_ctime(fn) : 0.0;
return f_ctime(fn);
}
@ -813,8 +809,6 @@ int object_parent(const char *md5, char *buf, int size)
/* returns the object parent, if any */
{
xs *fn = _object_fn_by_md5(md5, "object_parent");
if (xs_is_null(fn))
return 0;
fn = xs_replace_i(fn, ".json", "_p.idx");
return index_first(fn, buf, size);
@ -827,9 +821,6 @@ int object_admire(const char *id, const char *actor, int like)
int status = 200;
xs *fn = _object_fn(id, "object_admire");
if (xs_is_null(fn))
return 500;
fn = xs_replace_i(fn, ".json", like ? "_l.idx" : "_a.idx");
if (!index_in(fn, actor)) {