50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
#![doc(html_favicon_url = "https://www.ruma.io/favicon.ico")]
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#![doc(html_logo_url = "https://www.ruma.io/images/logo.png")]
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pub mod client_secret;
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pub mod device_key_id;
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pub mod error;
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pub mod event_id;
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pub mod key_id;
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pub mod mxc_uri;
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pub mod room_alias_id;
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pub mod room_id;
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pub mod room_id_or_alias_id;
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pub mod room_name;
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pub mod room_version_id;
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pub mod server_name;
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pub mod session_id;
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pub mod user_id;
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pub use error::Error;
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/// All identifiers must be 255 bytes or less.
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const MAX_BYTES: usize = 255;
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/// Checks if an identifier is valid.
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fn validate_id(id: &str, valid_sigils: &[char]) -> Result<(), Error> {
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if id.len() > MAX_BYTES {
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return Err(Error::MaximumLengthExceeded);
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}
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if !id.starts_with(valid_sigils) {
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return Err(Error::MissingLeadingSigil);
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}
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Ok(())
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}
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/// Checks an identifier that contains a localpart and hostname for validity.
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fn parse_id(id: &str, valid_sigils: &[char]) -> Result<usize, Error> {
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validate_id(id, valid_sigils)?;
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let colon_idx = id.find(':').ok_or(Error::MissingDelimiter)?;
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server_name::validate(&id[colon_idx + 1..])?;
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Ok(colon_idx)
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}
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/// Checks an identifier that contains a localpart and hostname for validity.
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fn validate_delimited_id(id: &str, valid_sigils: &[char]) -> Result<(), Error> {
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parse_id(id, valid_sigils)?;
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Ok(())
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}
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