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handle lowercase normalization
+70
-21
+70
-21
crates/jacquard-common/src/types/handle.rs
+70
-21
crates/jacquard-common/src/types/handle.rs
···
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use crate::types::string::AtStrError;
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use crate::types::{DISALLOWED_TLDS, ends_with};
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use crate::{CowStr, IntoStatic};
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use alloc::string::{String, ToString};
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use core::fmt;
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use core::ops::Deref;
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use core::str::FromStr;
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#[cfg(all(not(target_arch = "wasm32"), feature = "std"))]
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use regex::Regex;
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#[cfg(target_arch = "wasm32")]
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use regex_lite::Regex;
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#[cfg(all(not(target_arch = "wasm32"), not(feature = "std")))]
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use regex_automata::meta::Regex;
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#[cfg(target_arch = "wasm32")]
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use regex_lite::Regex;
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use serde::{Deserialize, Deserializer, Serialize, de::Error};
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use smol_str::{SmolStr, ToSmolStr};
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use alloc::string::{String, ToString};
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use core::fmt;
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use core::ops::Deref;
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use core::str::FromStr;
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use smol_str::{SmolStr, StrExt};
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use super::Lazy;
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···
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///
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/// Accepts (and strips) preceding '@' or 'at://' if present
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pub fn new(handle: &'h str) -> Result<Self, AtStrError> {
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if handle.contains(|c: char| c.is_ascii_uppercase()) {
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return Self::new_owned(handle);
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}
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let stripped = handle
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.strip_prefix("at://")
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.or_else(|| handle.strip_prefix('@'))
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.unwrap_or(handle);
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-
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if stripped.len() > 253 {
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Err(AtStrError::too_long(
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"handle",
···
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SmolStr::new_static("invalid"),
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))
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} else if ends_with(stripped, DISALLOWED_TLDS) {
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// speicifically pass this through as it is returned in instances where someone
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// specifically pass this through as it is returned in instances where someone
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// has screwed up their handle, and it's awkward to fail so early
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if handle == "handle.invalid" {
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Ok(Self(CowStr::Borrowed(stripped)))
···
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.strip_prefix("at://")
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.or_else(|| handle.strip_prefix('@'))
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.unwrap_or(handle);
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let handle = stripped;
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let normalized = stripped.to_lowercase_smolstr();
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let handle = normalized.as_str();
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if handle.len() > 253 {
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Err(AtStrError::too_long("handle", handle, 253, handle.len()))
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} else if !HANDLE_REGEX.is_match(handle) {
···
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SmolStr::new_static("invalid"),
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))
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} else if ends_with(handle, DISALLOWED_TLDS) {
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Err(AtStrError::disallowed("handle", handle, DISALLOWED_TLDS))
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// specifically pass this through as it is returned in instances where someone
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// has screwed up their handle, and it's awkward to fail so early
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if handle == "handle.invalid" {
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Ok(Self(CowStr::Owned(normalized)))
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} else {
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Err(AtStrError::disallowed(
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"handle",
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normalized.as_str(),
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DISALLOWED_TLDS,
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))
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}
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} else {
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Ok(Self(CowStr::Owned(handle.to_smolstr())))
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Ok(Self(CowStr::Owned(normalized)))
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}
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}
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···
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.strip_prefix("at://")
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.or_else(|| handle.strip_prefix('@'))
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.unwrap_or(handle);
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let handle = stripped;
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let handle = if handle.contains(|c: char| c.is_ascii_uppercase()) {
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stripped.to_lowercase_smolstr()
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} else {
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SmolStr::new_static(stripped)
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};
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if handle.len() > 253 {
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Err(AtStrError::too_long("handle", handle, 253, handle.len()))
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} else if !HANDLE_REGEX.is_match(handle) {
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Err(AtStrError::too_long("handle", &handle, 253, handle.len()))
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} else if !HANDLE_REGEX.is_match(&handle) {
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Err(AtStrError::regex(
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"handle",
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handle,
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&handle,
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SmolStr::new_static("invalid"),
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))
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-
} else if ends_with(handle, DISALLOWED_TLDS) {
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Err(AtStrError::disallowed("handle", handle, DISALLOWED_TLDS))
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} else if ends_with(&handle, DISALLOWED_TLDS) {
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// specifically pass this through as it is returned in instances where someone
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// has screwed up their handle, and it's awkward to fail so early
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if handle == "handle.invalid" {
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Ok(Self(CowStr::Owned(handle)))
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+
} else {
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Err(AtStrError::disallowed("handle", stripped, DISALLOWED_TLDS))
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}
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} else {
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Ok(Self(CowStr::new_static(handle)))
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Ok(Self(CowStr::Owned(handle)))
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}
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}
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···
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/// May allocate for a long handle with an at:// or @ prefix, otherwise borrows.
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/// Accepts (and strips) preceding '@' or 'at://' if present
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pub fn new_cow(handle: CowStr<'h>) -> Result<Self, AtStrError> {
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if handle.contains(|c: char| c.is_ascii_uppercase()) {
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return Self::new_owned(handle);
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}
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let handle = if let Some(stripped) = handle.strip_prefix("at://") {
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CowStr::copy_from_str(stripped)
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} else if let Some(stripped) = handle.strip_prefix('@') {
···
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SmolStr::new_static("invalid"),
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))
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} else if ends_with(&handle, DISALLOWED_TLDS) {
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Err(AtStrError::disallowed("handle", &handle, DISALLOWED_TLDS))
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+
// specifically pass this through as it is returned in instances where someone
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+
// has screwed up their handle, and it's awkward to fail so early
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if handle == "handle.invalid" {
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Ok(Self(handle))
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+
} else {
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Err(AtStrError::disallowed(
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"handle",
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handle.as_str(),
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+
DISALLOWED_TLDS,
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+
))
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+
}
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} else {
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Ok(Self(handle))
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}
···
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///
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/// Accepts (and strips) preceding '@' or 'at://' if present
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pub fn raw(handle: &'h str) -> Self {
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if handle.contains(|c: char| c.is_ascii_uppercase()) {
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return Self::new_owned(handle).expect("Invalid handle");
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+
}
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let stripped = handle
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.strip_prefix("at://")
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.or_else(|| handle.strip_prefix('@'))
···
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} else if !HANDLE_REGEX.is_match(handle) {
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panic!("Invalid handle")
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} else if ends_with(handle, DISALLOWED_TLDS) {
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-
panic!("top-level domain not allowed in handles")
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+
// specifically pass this through as it is returned in instances where someone
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+
// has screwed up their handle, and it's awkward to fail so early
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+
if handle == "handle.invalid" {
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Self(CowStr::Borrowed(stripped))
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} else {
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panic!("top-level domain not allowed in handles")
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}
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} else {
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Self(CowStr::Borrowed(handle))
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}
···
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.strip_prefix("at://")
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.or_else(|| handle.strip_prefix('@'))
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.unwrap_or(handle);
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+
if stripped.contains(|c: char| c.is_ascii_uppercase()) {
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return Self(CowStr::Owned(stripped.to_lowercase_smolstr()));
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+
}
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Self(CowStr::Borrowed(stripped))
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}
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