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add message validation

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This commit is contained in:
creating2morrow 2023-05-02 04:39:48 -04:00
parent 1fd81ea71e
commit de96f8fc4c
1 changed files with 13 additions and 3 deletions
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16
nevmes-core/src/message.rs
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@ -42,11 +42,12 @@ pub async fn create(m: Json<Message>, jwp: String) -> Message {
/// Rx message
pub async fn rx(m: Json<Message>) {
// make sure the message isn't something strange
let is_valid = validate_message(&m);
if !is_valid { return; }
// don't allow messages from outside the contact list
let is_in_contact_list = contact::exists(&m.from);
if !is_in_contact_list {
return;
}
if !is_in_contact_list { return; }
let f_mid: String = format!("m{}", utils::generate_rnd());
let new_message = Message {
mid: String::from(&f_mid),
@ -253,3 +254,12 @@ pub async fn retry_fts() {
}
}
}
/// check message field lengths to prevent db spam
fn validate_message(j: &Json<Message>) -> bool {
info!("validating message: {}", &j.mid);
j.mid.len() < utils::string_limit()
&& j.body.len() < utils::message_limit()
&& j.to == i2p::get_destination()
&& j.uid .len() < utils::string_limit()
}