106 lines
2.8 KiB
Rust
106 lines
2.8 KiB
Rust
use once_cell::sync::Lazy;
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use regex::Regex;
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use crate::validators::InputValueValidator;
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use crate::Value;
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/// String minimum length validator
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pub struct StringMinLength {
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/// Must be greater than or equal to this value.
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pub length: i32,
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}
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impl InputValueValidator for StringMinLength {
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fn is_valid(&self, value: &Value) -> Result<(), String> {
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if let Value::String(s) = value {
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if s.len() < self.length as usize {
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Err(format!(
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"the value length is {}, must be greater than or equal to {}",
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s.len(),
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self.length
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))
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} else {
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Ok(())
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}
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} else {
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Ok(())
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}
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}
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}
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/// String maximum length validator
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pub struct StringMaxLength {
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/// Must be less than or equal to this value.
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pub length: i32,
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}
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impl InputValueValidator for StringMaxLength {
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fn is_valid(&self, value: &Value) -> Result<(), String> {
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if let Value::String(s) = value {
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if s.len() > self.length as usize {
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Err(format!(
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"the value length is {}, must be less than or equal to {}",
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s.len(),
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self.length
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))
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} else {
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Ok(())
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}
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} else {
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Ok(())
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}
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}
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}
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static EMAIL_RE: Lazy<Regex> = Lazy::new(|| {
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Regex::new("^(([0-9A-Za-z!#$%&'*+-/=?^_`{|}~&&[^@]]+)|(\"([0-9A-Za-z!#$%&'*+-/=?^_`{|}~ \"(),:;<>@\\[\\\\\\]]+)\"))@").unwrap()
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});
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/// Email validator
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pub struct Email {}
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impl InputValueValidator for Email {
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fn is_valid(&self, value: &Value) -> Result<(), String> {
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if let Value::String(s) = value {
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if !EMAIL_RE.is_match(s) {
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Err("invalid email format".to_string())
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} else {
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Ok(())
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}
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} else {
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Ok(())
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}
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}
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}
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static MAC_ADDRESS_RE: Lazy<Regex> =
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Lazy::new(|| Regex::new("^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$").unwrap());
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static MAC_ADDRESS_NO_COLON_RE: Lazy<Regex> =
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Lazy::new(|| Regex::new("^[0-9a-fA-F]{12}$").unwrap());
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/// MAC address validator
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pub struct MAC {
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/// Must include colon.
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pub colon: bool,
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}
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impl InputValueValidator for MAC {
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fn is_valid(&self, value: &Value) -> Result<(), String> {
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if let Value::String(s) = value {
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if self.colon {
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if !MAC_ADDRESS_RE.is_match(s) {
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Err("invalid MAC format".to_string())
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} else {
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Ok(())
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}
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} else if !MAC_ADDRESS_NO_COLON_RE.is_match(s) {
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Err("invalid MAC format".to_string())
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} else {
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Ok(())
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}
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} else {
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Ok(())
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}
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}
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}
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