Update dependencies, disable registration and improve path handling

src/files.rs

@@ -1,9 +1,11 @@
-use path_absolutize::*;
 use std::ffi::OsStr;
 use std::fs::read_dir;
 use std::io;
+use std::io::Error;
 use std::path::{Path, PathBuf};
 
+use path_absolutize::*;
+
 pub fn list_files(dir: PathBuf) -> io::Result<Vec<PathBuf>> {
     let files = read_dir(dir)?
         .map(|res| res.unwrap())
@@ -43,44 +45,37 @@ pub fn is_valid_path(path: &str) -> Option<PathBuf> {
 }
 
 fn is_valid_full_path(base: &Path, path: &str) -> Option<PathBuf> {
-    let path = PathBuf::from(path);
+    let mut path = PathBuf::from(path);
     if path.is_relative() {
         let mut full_path = PathBuf::from(base);
         full_path.push(&path);
-        full_path
-            .absolutize()
-            .and_then(|p| {
-                if p.starts_with(base) {
-                    Ok(p.into_owned())
-                } else {
-                    Err(io::Error::new(
-                        io::ErrorKind::Other,
-                        "Path below base directory",
-                    ))
-                }
-            })
-            .ok()
-    } else if let Ok(path) = path.absolutize().and_then(|path| {
-        if path.starts_with(base) {
-            Ok(path.into_owned())
-        } else {
-            Err(io::Error::new(
-                io::ErrorKind::Other,
-                "Path below base directory",
-            ))
-        }
-    }) {
+        is_path_above_base_dir(base, &mut full_path).ok()
+    } else if let Ok(path) = is_path_above_base_dir(base, &mut path) {
         Some(path)
     } else {
         None
     }
 }
 
+fn is_path_above_base_dir(base: &Path, full_path: &mut PathBuf) -> Result<PathBuf, Error> {
+    full_path.absolutize().and_then(|p| {
+        if p.starts_with(base) {
+            Ok(p.into_owned())
+        } else {
+            Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Path below base directory",
+            ))
+        }
+    })
+}
+
 #[cfg(test)]
 mod tests {
-    use super::*;
     use std::env;
-    use std::fs::{create_dir_all, File};
+    use std::fs::File;
+
+    use super::*;
 
     #[test]
     fn directory_traversal_test() {
@@ -104,8 +99,6 @@ mod tests {
         let path = "relative/path/test.png";
         let mut test_file = PathBuf::from(&base);
         test_file.push(path);
-        create_dir_all(test_file.parent().unwrap()).unwrap();
-        File::create(test_file).unwrap();
 
         assert_eq!(
             Some(PathBuf::from("/tmp/relative/path/test.png")),
@@ -125,8 +118,6 @@ mod tests {
         let path = "relative/path/test.png";
         let mut test_file = PathBuf::from(&base);
         test_file.push(path);
-        create_dir_all(test_file.parent().unwrap()).unwrap();
-        File::create(test_file).unwrap();
 
         assert_eq!(
             Some(PathBuf::from("/tmp/relative/path/test.png")),