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fusion_common/model/sensitive/
uri_string.rs

1use core::{fmt, ops::Deref};
2use std::borrow::Cow;
3
4use regex::Regex;
5use serde::{Deserialize, Serialize, de::Visitor};
6
7use super::{AsUnderlying, ToSensitive};
8
9#[derive(Clone)]
10pub struct UriString(String);
11
12impl UriString {
13  pub fn new(s: impl Into<String>) -> Self {
14    Self(s.into())
15  }
16}
17
18impl fmt::Display for UriString {
19  fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20    f.write_str(&self.to_sensitive())
21  }
22}
23
24impl fmt::Debug for UriString {
25  fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
26    f.debug_tuple("UriString").field(&self.to_string()).finish()
27  }
28}
29
30impl Deref for UriString {
31  type Target = str;
32
33  fn deref(&self) -> &Self::Target {
34    &self.0
35  }
36}
37
38impl AsRef<str> for UriString {
39  fn as_ref(&self) -> &str {
40    &self.0
41  }
42}
43
44impl ToSensitive for UriString {
45  fn to_sensitive(&self) -> String {
46    replace_uri_username_password(self.deref()).into_owned()
47  }
48}
49
50impl AsUnderlying for UriString {
51  fn as_underlying(&self) -> &str {
52    &self.0
53  }
54}
55
56impl Serialize for UriString {
57  fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
58  where
59    S: serde::Serializer,
60  {
61    let s = replace_uri_username_password(self.deref());
62    serializer.serialize_str(s.as_ref())
63  }
64}
65
66impl From<&str> for UriString {
67  fn from(v: &str) -> Self {
68    Self(v.to_string())
69  }
70}
71
72/// 替换 <username>:<password> 部分
73fn replace_uri_username_password(v: &str) -> Cow<'_, str> {
74  let r: Regex = Regex::new(r#"://(.+):(.+)@"#).unwrap();
75  r.replace(v, "://<username>:<password>@")
76}
77
78impl<'de> Deserialize<'de> for UriString {
79  fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
80  where
81    D: serde::Deserializer<'de>,
82  {
83    struct UriStringVisitor;
84    impl Visitor<'_> for UriStringVisitor {
85      type Value = UriString;
86
87      fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
88        formatter.write_str("Unsupport type, need string.")
89      }
90
91      fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
92      where
93        E: serde::de::Error,
94      {
95        Ok(UriString(v))
96      }
97
98      fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
99      where
100        E: serde::de::Error,
101      {
102        Ok(UriString(v.to_string()))
103      }
104    }
105    deserializer.deserialize_string(UriStringVisitor)
106  }
107}
108
109#[cfg(test)]
110mod tests {
111  use super::*;
112
113  #[test]
114  fn test_url_string() {
115    let url_string = UriString::new("postgres://abcdefg:2023.fusion@localhost:5432/fusion");
116    let text = serde_json::to_string(&url_string).unwrap();
117    assert_eq!(text, "\"postgres://<username>:<password>@localhost:5432/fusion\"");
118
119    let url_string = UriString::new("postgres://localhost:5432/fusion");
120    let text = serde_json::to_string(&url_string).unwrap();
121    assert_eq!(text, "\"postgres://localhost:5432/fusion\"");
122  }
123}