atom_engine/filters/
encoding.rs

1use serde_json::Value;
2use std::collections::HashMap;
3use tera::Error;
4
5use super::FilterResult;
6
7pub fn json_decode(value: &Value, _: &HashMap<String, Value>) -> FilterResult {
8    let s = value
9        .as_str()
10        .ok_or_else(|| Error::msg("Expected string"))?;
11    serde_json::from_str(s).map_err(|e| Error::msg(e.to_string()))
12}
13
14pub fn urlescape(value: &Value, _: &HashMap<String, Value>) -> FilterResult {
15    if let Some(s) = value.as_str() {
16        Ok(Value::String(urlencoding::encode(s).to_string()))
17    } else {
18        Ok(value.clone())
19    }
20}
21
22pub fn urlunescape(value: &Value, _: &HashMap<String, Value>) -> FilterResult {
23    if let Some(s) = value.as_str() {
24        Ok(Value::String(
25            urlencoding::decode(s)
26                .map_err(|e| Error::msg(e.to_string()))?
27                .to_string(),
28        ))
29    } else {
30        Ok(value.clone())
31    }
32}
33
34pub fn strip_tags(value: &Value, _: &HashMap<String, Value>) -> FilterResult {
35    if let Some(s) = value.as_str() {
36        let re = regex::Regex::new(r"<[^>]*>").unwrap();
37        Ok(Value::String(re.replace_all(s, "").to_string()))
38    } else {
39        Ok(value.clone())
40    }
41}
42
43pub fn base64_encode(value: &Value, _: &HashMap<String, Value>) -> FilterResult {
44    if let Some(s) = value.as_str() {
45        Ok(Value::String(base64::Engine::encode(
46            &base64::engine::general_purpose::STANDARD,
47            s,
48        )))
49    } else {
50        Ok(value.clone())
51    }
52}
53
54pub fn base64_decode(value: &Value, _: &HashMap<String, Value>) -> FilterResult {
55    if let Some(s) = value.as_str() {
56        let decoded = base64::Engine::decode(&base64::engine::general_purpose::STANDARD, s)
57            .map_err(|e| Error::msg(e.to_string()))?;
58        Ok(Value::String(
59            String::from_utf8(decoded).map_err(|e| Error::msg(e.to_string()))?,
60        ))
61    } else {
62        Ok(value.clone())
63    }
64}
atom_engine/filters/encoding.rs

atom_engine/filters/
encoding.rs
