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Check user_id as part of validating CSRF tokens

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This commit is contained in:
Omar Roth 2018-11-08 00:29:20 -06:00
parent b9c29bf537
commit 1ff8579575
2 changed files with 9 additions and 5 deletions
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4
src/invidious.cr
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@ -1429,7 +1429,7 @@ post "/delete_account" do |env|
token = env.params.body["token"]? token = env.params.body["token"]?
begin begin
validate_response(challenge, token, "delete_account", HMAC_KEY) validate_response(challenge, token, user.email, "delete_account", HMAC_KEY)
rescue ex rescue ex
error_message = ex.message error_message = ex.message
next templated "error" next templated "error"
@ -1474,7 +1474,7 @@ post "/clear_watch_history" do |env|
token = env.params.body["token"]? token = env.params.body["token"]?
begin begin
validate_response(challenge, token, "clear_watch_history", HMAC_KEY) validate_response(challenge, token, user.email, "clear_watch_history", HMAC_KEY)
rescue ex rescue ex
error_message = ex.message error_message = ex.message
next templated "error" next templated "error"

10
src/invidious/helpers/helpers.cr
View file

@ -403,7 +403,7 @@ def create_response(user_id, operation, key)
return challenge, token return challenge, token
end end
def validate_response(challenge, token, action, key) def validate_response(challenge, token, user_id, operation, key)
if !challenge if !challenge
raise "Hidden field \"challenge\" is a required field" raise "Hidden field \"challenge\" is a required field"
end end
@ -414,7 +414,7 @@ def validate_response(challenge, token, action, key)
challenge = Base64.decode_string(challenge) challenge = Base64.decode_string(challenge)
if challenge.split("-").size == 4 if challenge.split("-").size == 4
expire, nonce, user_id, operation = challenge.split("-") expire, nonce, challenge_user_id, challenge_operation = challenge.split("-")
expire = expire.to_i? expire = expire.to_i?
expire ||= 0 expire ||= 0
@ -429,7 +429,11 @@ def validate_response(challenge, token, action, key)
raise "Invalid token" raise "Invalid token"
end end
if operation != action if challenge_operation != operation
raise "Invalid token"
end
if challenge_user_id != user_id
raise "Invalid token" raise "Invalid token"
end end