static_file_resolver/
impl.rs

1use super::*;
2
3impl Default for StaticFileResolver<'_> {
4    /// Builds the resolver that is used when none is given.
5    ///
6    /// # Returns
7    ///
8    /// - `Self` - The default resolver.
9    fn default() -> Self {
10        Self {
11            root: Path::new("."),
12            index: INDEX_DEFAULT,
13        }
14    }
15}
16
17impl StaticFileResolver<'_> {
18    /// The file a path names under the root, when the path is allowed.
19    ///
20    /// A path that climbs out of the root is refused, so a request cannot
21    /// reach a file the root does not hold.
22    ///
23    /// # Arguments
24    ///
25    /// - `&str` - The path of the file, relative to the root.
26    ///
27    /// # Returns
28    ///
29    /// - `Option<PathBuf>` - The file, when the path is allowed.
30    pub fn resolve(&self, path: &str) -> Option<PathBuf> {
31        let mut file: PathBuf = self.get_root().to_path_buf();
32        if path.is_empty() {
33            file.push(self.get_index());
34            return Some(file);
35        }
36        for segment in path.split(SEPARATOR_SLASH) {
37            if segment.is_empty()
38                || segment == SEGMENT_CURRENT
39                || segment == SEGMENT_PARENT
40                || segment.contains(SEPARATOR_BACKSLASH)
41            {
42                return None;
43            }
44            file.push(segment);
45        }
46        Some(file)
47    }
48}
static_file_resolver/impl.rs

static_file_resolver/
impl.rs
