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dc_tools: remove unused dc_derive_safe_stem_ext()

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It had the same .truncate() bug as BlobObject::sanitise_name()
This commit is contained in:
Alexander Krotov
2020-01-25 04:39:27 +03:00
committed by Floris Bruynooghe
parent 4c67b3a118
commit ebab893330
1 changed files with 0 additions and 50 deletions
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50
src/dc_tools.rs
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@@ -222,43 +222,6 @@ pub(crate) fn dc_extract_grpid_from_rfc724_mid(mid: &str) -> Option<&str> {
None
}
// Function returns a sanitized basename that does not contain
// win/linux path separators and also not any non-ascii chars
fn get_safe_basename(filename: &str) -> String {
// return the (potentially mangled) basename of the input filename
// this might be a path that comes in from another operating system
let mut index: usize = 0;
if let Some(unix_index) = filename.rfind('/') {
index = unix_index + 1;
}
if let Some(win_index) = filename.rfind('\\') {
index = max(index, win_index + 1);
}
if index >= filename.len() {
"nobasename".to_string()
} else {
// we don't allow any non-ascii to be super-safe
filename[index..].replace(|c: char| !c.is_ascii() || c == ':', "-")
}
}
pub fn dc_derive_safe_stem_ext(filename: &str) -> (String, String) {
let basename = get_safe_basename(&filename);
let (mut stem, mut ext) = if let Some(index) = basename.rfind('.') {
(
basename[0..index].to_string(),
basename[index..].to_string(),
)
} else {
(basename, "".to_string())
};
// limit length of stem and ext
stem.truncate(32);
ext.truncate(32);
(stem, ext)
}
// the returned suffix is lower-case
pub fn dc_get_filesuffix_lc(path_filename: impl AsRef<str>) -> Option<String> {
Path::new(path_filename.as_ref())
@@ -765,19 +728,6 @@ mod tests {
}
}
#[test]
fn test_file_get_safe_basename() {
assert_eq!(get_safe_basename("12312/hello"), "hello");
assert_eq!(get_safe_basename("12312\\hello"), "hello");
assert_eq!(get_safe_basename("//12312\\hello"), "hello");
assert_eq!(get_safe_basename("//123:12\\hello"), "hello");
assert_eq!(get_safe_basename("//123:12/\\\\hello"), "hello");
assert_eq!(get_safe_basename("//123:12//hello"), "hello");
assert_eq!(get_safe_basename("//123:12//"), "nobasename");
assert_eq!(get_safe_basename("//123:12/"), "nobasename");
assert!(get_safe_basename("123\x012.hello").ends_with(".hello"));
}
#[test]
fn test_file_handling() {
let t = dummy_context();