+ checkin mod::auth for valid permissions

+ helper function for getting a permission mask from permissions module

server-api/src/perms.rs

@@ -8,6 +8,7 @@ pub const CREATE_TMP_INVITES:u64 = 4;
 pub const CREATE_PERM_INVITES:u64 = 8; // to make perma invites you need both flags
 
 
+
 pub const OWNER: u64 = 1 << 63;
 pub const ADMIN: u64 = 1 << 62; // can make other admins but can't really touch the owner
 
@@ -19,3 +20,21 @@ pub const DELETE_CHANNEL:u64 = 128;
 pub const OWNER_PERMS: u64 = std::u64::MAX;
 pub const GENERAL_NEW: u64 = JOIN_VOICE | SEND_MESSAGES | ALLOW_PFP | CHANGE_NICK;
 pub const ADMIN_PERMS: u64 = !(std::u64::MAX & OWNER); // filter the only perm admins don't get
+
+pub fn get_perm_mask(path: &str) -> Option<u64> {
+    use crate::routes::{
+        INVITE_CREATE,
+        CHANNELS_LIST, CHANNELS_CREATE, CHANNELS_DELETE,
+        MESSAGE_SEND,
+        SERVER_META,
+    };
+    match path {
+        INVITE_CREATE => Some(CREATE_TMP_INVITES),
+        CHANNELS_LIST => None,
+        CHANNELS_CREATE => Some(CREATE_CHANNEL),
+        CHANNELS_DELETE => Some(DELETE_CHANNEL),
+        MESSAGE_SEND => Some(SEND_MESSAGES),
+        SERVER_META => None,
+        _ => Some(0)
+    }
+}