add id3 filetype (#42)

* add id3 filetype

* remove unused properties from file types

lua/cfc_http_restrictions/shared/filetypes/html.lua

@@ -1,7 +1,6 @@
 local HTML = {
     name = "HTML",
     extension = "html",
-    maxFileSize = 0,
 }
 CFCHTTP.FileTypes.HTML = HTML
 
@@ -12,13 +11,6 @@ function HTML.IsFileData( _body )
     return false
 end
 
----@param url string
----@return boolean
-function HTML.IsFileURL( url )
-    if string.EndsWith( url, "." .. HTML.extension ) then return true end
-    return false
-end
-
 ---@param body string
 ---@return string[] urls
 ---@return string|nil error

lua/cfc_http_restrictions/shared/filetypes/id3.lua

@@ -0,0 +1,22 @@
+CFCHTTP.FileTypes.ID3 = {
+    name = "ID3",
+}
+local ID3 = CFCHTTP.FileTypes.ID3
+
+---@param body string
+---@return boolean
+function ID3.IsFileData( body )
+    if not string.StartsWith( body, "ID3" ) then return false end
+
+    return true
+end
+
+---@param _ string
+---@return string[] urls
+---@return string|nil error
+function ID3.GetURLSFromData( _ )
+    -- we want to ignore urls in ID3 container metadata
+    return {}, nil
+end
+
+return ID3

lua/cfc_http_restrictions/shared/filetypes/m3u.lua

@@ -1,8 +1,6 @@
 CFCHTTP.FileTypes.M3U = {
     name = "M3U",
-    allowed = false,
     extension = "m3u",
-    maxFileSize = 0,
 }
 local M3U = CFCHTTP.FileTypes.M3U
 
@@ -15,13 +13,6 @@ function M3U.IsFileData( body )
     return false
 end
 
----@param url string
----@return boolean
-function M3U.IsFileURL( url )
-    if string.EndsWith( url, "." .. M3U.extension ) then return true end
-    return false
-end
-
 ---@param _ string
 ---@return string[] urls
 ---@return string|nil error

lua/cfc_http_restrictions/shared/filetypes/pls.lua

@@ -1,8 +1,6 @@
 CFCHTTP.FileTypes.PLS = {
     name = "PLS",
-    allowed = false,
     extension = ".pls",
-    maxFileSize = 10000,
 }
 local PLS = CFCHTTP.FileTypes.PLS
 
@@ -13,13 +11,6 @@ function PLS.IsFileData( body )
     return false
 end
 
----@param url string
----@return boolean
-function PLS.IsFileURL( url )
-    if string.EndsWith( url, "." .. PLS.extension ) then return true end
-    return false
-end
-
 ---@param _body string
 ---@return string[] urls
 ---@return string|nil error