diff --git a/src/invidious/helpers/signatures.cr b/src/invidious/helpers/signatures.cr index 38ded969..ee09415b 100644 --- a/src/invidious/helpers/signatures.cr +++ b/src/invidious/helpers/signatures.cr @@ -13,20 +13,20 @@ struct DecryptFunction private def fetch_decrypt_function(id = "CvFH_6DNRCY") document = YT_POOL.client &.get("/watch?v=#{id}&gl=US&hl=en").body - url = document.match!(/src="(?\/s\/player\/[^\/]+\/player_ias[^\/]+\/en_US\/base.js)"/)["url"] + url = document.match(/src="(?\/s\/player\/[^\/]+\/player_ias[^\/]+\/en_US\/base.js)"/).not_nil!["url"] player = YT_POOL.client &.get(url).body - function_name = player.match!(/^(?[^=]+)=function\(\w\){\w=\w\.split\(""\);[^\. ]+\.[^( ]+/m)["name"] - function_body = player.match!(/^#{Regex.escape(function_name)}=function\(\w\){(?[^}]+)}/m)["body"] + function_name = player.match(/^(?[^=]+)=function\(\w\){\w=\w\.split\(""\);[^\. ]+\.[^( ]+/m).not_nil!["name"] + function_body = player.match(/^#{Regex.escape(function_name)}=function\(\w\){(?[^}]+)}/m).not_nil!["body"] function_body = function_body.split(";")[1..-2] var_name = function_body[0][0, 2] - var_body = player.delete("\n").match!(/var #{Regex.escape(var_name)}={(?(.*?))};/)["body"] + var_body = player.delete("\n").match(/var #{Regex.escape(var_name)}={(?(.*?))};/).not_nil!["body"] operations = {} of String => SigProc var_body.split("},").each do |operation| - op_name = operation.match!(/^[^:]+/)[0] - op_body = operation.match!(/\{[^}]+/)[0] + op_name = operation.match(/^[^:]+/).not_nil![0] + op_body = operation.match(/\{[^}]+/).not_nil![0] case op_body when "{a.reverse()" @@ -42,8 +42,8 @@ struct DecryptFunction function_body.each do |function| function = function.lchop(var_name).delete("[].") - op_name = function.match!(/[^\(]+/)[0] - value = function.match!(/\(\w,(?[\d]+)\)/)["value"].to_i + op_name = function.match(/[^\(]+/).not_nil![0] + value = function.match(/\(\w,(?[\d]+)\)/).not_nil!["value"].to_i decrypt_function << {operations[op_name], value} end