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CH-J / Server Manager 1704 개 파일

0.1.2-beta 추가됨: 2026. 11. 8. 오전 2:53 · 빌드됨: 2026. 11. 7. 오후 7:32

local.rs 추가됨: 날짜 기록 없음 9.4 KB · 191 줄

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1//! Local disk for the File Manager panels. The UI never gets a generic file API: only listing and

2//! the few operations below, on absolute paths, never inside the application's data directory

3//! (vault, logs) and never following a symbolic link when deleting.

5use super::service::{file_error, safe_entry_name};

6use crate::core::error::CoreResult;

7use chrono::{DateTime, Utc};

8use serde_json::{json, Value};

9use std::path::{Component, Path, PathBuf};

11/// Absolute, without `.` and `..`, outside `protected`.

12pub fn checked_path(value: &str, protected: &Path) -> CoreResult<PathBuf> {

13 let path = PathBuf::from(value);

14 if !path.is_absolute() || path.components().any(|c| matches!(c, Component::ParentDir | Component::CurDir)) {

15 return Err(file_error("FILE_UNSAFE_PATH", "The local path must be absolute."));

16 }

17 // A symlink can point into the data directory, so the real path of the nearest existing parent counts too.

18 let protected_real = std::fs::canonicalize(protected).unwrap_or_else(|_| protected.to_path_buf());

19 let mut existing = path.as_path();

20 let real = loop {

21 match std::fs::canonicalize(existing) {

22 Ok(real) => break real,

23 Err(_) => match existing.parent() {

24 Some(parent) => existing = parent,

25 None => break path.clone(),

26 },

27 }

28 };

29 if path.starts_with(protected) || real.starts_with(&protected_real) {

30 return Err(file_error("FILE_PROTECTED_PATH", "The application's data directory cannot be used here."));

31 }

32 Ok(path)

33}

35fn io_error(error: std::io::Error, path: &Path) -> crate::core::error::CoreError {

36 let code = match error.kind() {

37 std::io::ErrorKind::NotFound => "FILE_NOT_FOUND",

38 std::io::ErrorKind::PermissionDenied => "LOCAL_PERMISSION_DENIED",

39 std::io::ErrorKind::AlreadyExists => "FILE_EXISTS",

40 std::io::ErrorKind::DirectoryNotEmpty => "FILE_DIRECTORY_NOT_EMPTY",

41 _ => "LOCAL_OPERATION_FAILED",

42 };

43 file_error(code, &format!("{}: {error}", path.display()))

44}

46/// Home directory and, on Windows, the drive roots.

47pub fn places() -> Value {

    let home = std::env::var_os("HOME").or_else(|| std::env::var_os("USERPROFILE")).map(PathBuf::from).unwrap_or_else(|| PathBuf::from("/"));

49 let mut roots: Vec<String> = Vec::new();

50 if cfg!(windows) {

51 for letter in b'A'..=b'Z' {

52 let root = format!("{}:\\", letter as char);

53 if Path::new(&root).exists() {

54 roots.push(root);

55 }

56 }

57 } else {

58 roots.push("/".into());

59 }

60 json!({ "home": home.to_string_lossy(), "roots": roots, "separator": std::path::MAIN_SEPARATOR.to_string() })

61}

63pub fn list(value: &str, protected: &Path) -> CoreResult<Value> {

64 let directory = checked_path(value, protected)?;

65 let mut entries = Vec::new();

66 for entry in std::fs::read_dir(&directory).map_err(|e| io_error(e, &directory))? {

67 let Ok(entry) = entry else { continue };

68 let path = entry.path();

69 let Ok(meta) = std::fs::symlink_metadata(&path) else { continue };

70 let link = meta.file_type().is_symlink();

71 let target = if link { std::fs::metadata(&path).ok() } else { None };

        let kind = if link { "symlink" } else if meta.is_dir() { "directory" } else if meta.is_file() { "file" } else { "other" };

73 entries.push(json!({

74 "name": entry.file_name().to_string_lossy(),

75 "path": path.to_string_lossy(),

76 "type": kind,

            "targetType": if !link { Value::Null } else { match &target { Some(t) if t.is_dir() => json!("directory"), Some(_) => json!("file"), None => json!("missing") } },

78 "size": meta.len(),

79 "modifiedAt": meta.modified().ok().map(|m| DateTime::<Utc>::from(m).to_rfc3339())

80 }));

81 }

82 Ok(Value::Array(entries))

83}

85pub fn mkdir(parent: &str, name: &str, protected: &Path) -> CoreResult<Value> {

86 let path = checked_path(parent, protected)?.join(safe_entry_name(name)?);

87 std::fs::create_dir(&path).map_err(|e| io_error(e, &path))?;

88 Ok(json!({ "path": path.to_string_lossy() }))

89}

91/// Never replaces anything: an existing name is an error.

92pub fn create_file(parent: &str, name: &str, protected: &Path) -> CoreResult<Value> {

93 let path = checked_path(parent, protected)?.join(safe_entry_name(name)?);

94 std::fs::OpenOptions::new().write(true).create_new(true).open(&path).map_err(|e| io_error(e, &path))?;

95 Ok(json!({ "path": path.to_string_lossy() }))

96}

98pub fn rename(from: &str, name: &str, protected: &Path) -> CoreResult<Value> {

99 let source = checked_path(from, protected)?;

100 let parent = source.parent().ok_or_else(|| file_error("FILE_PROTECTED_PATH", "A root cannot be renamed."))?;

101 let target = parent.join(safe_entry_name(name)?);

102 if std::fs::symlink_metadata(&target).is_ok() {

103 return Err(file_error("FILE_EXISTS", &format!("{} already exists.", target.display())));

104 }

105 std::fs::rename(&source, &target).map_err(|e| io_error(e, &source))?;

106 Ok(json!({ "path": target.to_string_lossy() }))

107}

108

109/// Roots, the home directory and its ancestors are refused. A link is removed, not what it points to.

110pub fn remove(paths: &[String], protected: &Path) -> CoreResult<Value> {

111 let home = places()["home"].as_str().map(PathBuf::from);

112 let mut checked = Vec::new();

113 for value in paths {

114 let path = checked_path(value, protected)?;

115

        if path.parent().is_none() || home.as_ref().is_some_and(|h| h.starts_with(&path)) || protected.starts_with(&path) {

116 return Err(file_error("FILE_PROTECTED_PATH", &format!("{} cannot be deleted.", path.display())));

117 }

118 checked.push(path);

119 }

120 for path in &checked {

121 let meta = std::fs::symlink_metadata(path).map_err(|e| io_error(e, path))?;

122

        if meta.is_dir() { std::fs::remove_dir_all(path) } else { std::fs::remove_file(path) }.map_err(|e| io_error(e, path))?;

123 }

124 Ok(json!({ "removed": checked.len() }))

125}

126

127#[cfg(test)]

128mod tests {

129 use super::*;

130

131 #[test]

132 fn paths_are_absolute_and_stay_out_of_the_data_directory() {

133 let dir = tempfile::tempdir().unwrap();

134 let data = dir.path().join("data");

135 std::fs::create_dir(&data).unwrap();

136 std::fs::write(data.join("vault"), "secret").unwrap();

137 assert_eq!(checked_path("relative/file", &data).unwrap_err().code, "FILE_UNSAFE_PATH");

138 let dotted = format!("{}/x/../data", dir.path().display());

139 assert_eq!(checked_path(&dotted, &data).unwrap_err().code, "FILE_UNSAFE_PATH");

140 assert_eq!(checked_path(data.join("vault").to_str().unwrap(), &data).unwrap_err().code, "FILE_PROTECTED_PATH");

141 #[cfg(unix)]

142 {

143 let link = dir.path().join("link");

144 std::os::unix::fs::symlink(&data, &link).unwrap();

145

            assert_eq!(checked_path(link.join("vault").to_str().unwrap(), &data).unwrap_err().code, "FILE_PROTECTED_PATH", "a link into the data directory");

146 assert_eq!(list(link.to_str().unwrap(), &data).unwrap_err().code, "FILE_PROTECTED_PATH");

147 }

148 }

149

150 #[test]

151 fn names_cannot_leave_their_folder() {

152 let dir = tempfile::tempdir().unwrap();

153 let (base, data) = (dir.path().join("work"), dir.path().join("data"));

154 std::fs::create_dir_all(&base).unwrap();

155 for bad in ["../evil", "a/b", "..", ""] {

156 assert!(mkdir(base.to_str().unwrap(), bad, &data).is_err(), "{bad}");

157 }

158 mkdir(base.to_str().unwrap(), "ok", &data).unwrap();

159 for good in ["a.txt", "b.htm", "c.conf", "bez-pripony", ".skryty"] {

160 create_file(base.to_str().unwrap(), good, &data).unwrap();

161 }

162

        assert_eq!(create_file(base.to_str().unwrap(), "a.txt", &data).unwrap_err().code, "FILE_EXISTS", "an existing file stays");

163 assert!(create_file(base.to_str().unwrap(), "../evil.txt", &data).is_err());

164 for good in ["a.txt", "b.htm", "c.conf", "bez-pripony", ".skryty"] {

165 std::fs::remove_file(base.join(good)).unwrap();

166 }

167 std::fs::write(base.join("file"), "x").unwrap();

168 assert!(rename(base.join("file").to_str().unwrap(), "../evil", &data).is_err());

169 assert_eq!(rename(base.join("file").to_str().unwrap(), "ok", &data).unwrap_err().code, "FILE_EXISTS");

170 rename(base.join("file").to_str().unwrap(), "renamed", &data).unwrap();

171

        let names: Vec<String> = list(base.to_str().unwrap(), &data).unwrap().as_array().unwrap().iter().map(|e| e["name"].as_str().unwrap().to_string()).collect();

172 assert!(names.contains(&"renamed".to_string()) && names.contains(&"ok".to_string()));

173 }

174

175 #[cfg(unix)]

176 #[test]

177 fn delete_removes_a_link_not_its_target_and_refuses_home_and_roots() {

178 let dir = tempfile::tempdir().unwrap();

179 let (kept, doomed, data) = (dir.path().join("kept"), dir.path().join("doomed"), dir.path().join("data"));

180 std::fs::create_dir_all(&kept).unwrap();

181 std::fs::create_dir_all(&doomed).unwrap();

182 std::fs::write(kept.join("file"), "x").unwrap();

183 std::os::unix::fs::symlink(&kept, doomed.join("link")).unwrap();

184 remove(&[doomed.to_string_lossy().to_string()], &data).unwrap();

185 assert!(!doomed.exists());

186 assert!(kept.join("file").exists(), "the link's target survives");

187 assert_eq!(remove(&["/".to_string()], &data).unwrap_err().code, "FILE_PROTECTED_PATH");

188 let home = places()["home"].as_str().unwrap().to_string();

189 assert_eq!(remove(&[home], &data).unwrap_err().code, "FILE_PROTECTED_PATH");

190 }

191}

192

SHA-256

d35065485c0fc1f73d8db45350b391594b41f668caa4752a6bef725e6cff837f

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압축 파일 SHA-256

ac8fe790f4ba60fc098f8c985fc2656cfcc6cdc21fb34b30e308a2b54e62258f