Send access check fixes

Adjust checks for max access count, expiration date, and deletion date.
The date checks aren't that important, but the access count check
currently allows one more access than it should.

src/api/core/sends.rs

@@ -197,18 +197,18 @@ fn post_access(access_id: String, data: JsonUpcase<SendAccessData>, conn: DbConn
     };
 
     if let Some(max_access_count) = send.max_access_count {
-        if send.access_count > max_access_count {
+        if send.access_count >= max_access_count {
             err_code!("Max access count reached", 404);
         }
     }
 
     if let Some(expiration) = send.expiration_date {
-        if Utc::now().naive_utc() > expiration {
+        if Utc::now().naive_utc() >= expiration {
             err_code!("Send has expired", 404)
         }
     }
 
-    if Utc::now().naive_utc() > send.deletion_date {
+    if Utc::now().naive_utc() >= send.deletion_date {
         err_code!("Send has been deleted", 404)
     }
 
@@ -248,18 +248,18 @@ fn post_access_file(
     };
 
     if let Some(max_access_count) = send.max_access_count {
-        if send.access_count > max_access_count {
+        if send.access_count >= max_access_count {
             err_code!("Max access count reached", 404);
         }
     }
 
     if let Some(expiration) = send.expiration_date {
-        if Utc::now().naive_utc() > expiration {
+        if Utc::now().naive_utc() >= expiration {
             err_code!("Send has expired", 404)
         }
     }
 
-    if Utc::now().naive_utc() > send.deletion_date {
+    if Utc::now().naive_utc() >= send.deletion_date {
         err_code!("Send has been deleted", 404)
     }