1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
use {
crate::BundlePackageType,
anyhow::{anyhow, Context, Result},
std::path::{Path, PathBuf},
};
pub struct DirectoryBundle {
root: PathBuf,
root_name: String,
shallow: bool,
package_type: BundlePackageType,
info_plist: plist::Dictionary,
}
impl DirectoryBundle {
pub fn new_from_path(directory: &Path) -> Result<Self> {
if !directory.is_dir() {
return Err(anyhow!("{} is not a directory", directory.display()));
}
let root_name = directory
.file_name()
.ok_or_else(|| anyhow!("unable to resolve root directory name"))?
.to_string_lossy()
.to_string();
let contents = directory.join("Contents");
let shallow = !contents.is_dir();
let app_plist = if shallow {
directory.join("Info.plist")
} else {
contents.join("Info.plist")
};
let framework_plist = directory.join("Resources").join("Info.plist");
let (package_type, info_plist_path) = if app_plist.is_file() {
if root_name.ends_with(".app") {
(BundlePackageType::App, app_plist)
} else {
(BundlePackageType::Bundle, app_plist)
}
} else if framework_plist.is_file() {
if root_name.ends_with(".framework") {
(BundlePackageType::Framework, framework_plist)
} else {
(BundlePackageType::Bundle, framework_plist)
}
} else {
return Err(anyhow!("Info.plist not found; not a valid bundle"));
};
let info_plist_data = std::fs::read(&info_plist_path)?;
let cursor = std::io::Cursor::new(info_plist_data);
let value = plist::Value::from_reader_xml(cursor).context("parsing Info.plist XML")?;
let info_plist = value
.into_dictionary()
.ok_or_else(|| anyhow!("{} is not a dictionary", info_plist_path.display()))?;
Ok(Self {
root: directory.to_path_buf(),
root_name,
shallow,
package_type,
info_plist,
})
}
pub fn resolve_path(&self, path: impl AsRef<Path>) -> PathBuf {
if self.shallow {
self.root.join(path.as_ref())
} else {
self.root.join("Contents").join(path.as_ref())
}
}
pub fn root_dir(&self) -> &Path {
&self.root
}
pub fn name(&self) -> &str {
&self.root_name
}
pub fn shallow(&self) -> bool {
self.shallow
}
pub fn info_plist_path(&self) -> PathBuf {
match self.package_type {
BundlePackageType::App | BundlePackageType::Bundle => self.resolve_path("Info.plist"),
BundlePackageType::Framework => self.root.join("Resources").join("Info.plist"),
}
}
pub fn info_plist(&self) -> &plist::Dictionary {
&self.info_plist
}
pub fn info_plist_key_string(&self, key: &str) -> Result<Option<String>> {
if let Some(value) = self.info_plist.get(key) {
Ok(Some(
value
.as_string()
.ok_or_else(|| anyhow!("key {} is not a string", key))?
.to_string(),
))
} else {
Ok(None)
}
}
pub fn package_type(&self) -> BundlePackageType {
self.package_type
}
pub fn display_name(&self) -> Result<Option<String>> {
self.info_plist_key_string("CFBundleDisplayName")
}
pub fn identifier(&self) -> Result<Option<String>> {
self.info_plist_key_string("CFBundleIdentifier")
}
pub fn version(&self) -> Result<Option<String>> {
self.info_plist_key_string("CFBundleVersion")
}
pub fn main_executable(&self) -> Result<Option<String>> {
self.info_plist_key_string("CFBundleExecutable")
}
pub fn icon_files(&self) -> Result<Option<Vec<String>>> {
if let Some(value) = self.info_plist.get("CFBundleIconFiles") {
let values = value
.as_array()
.ok_or_else(|| anyhow!("CFBundleIconFiles not an array"))?;
Ok(Some(
values
.iter()
.map(|x| {
Ok(x.as_string()
.ok_or_else(|| anyhow!("CFBundleIconFiles value not a string"))?
.to_string())
})
.collect::<Result<Vec<_>>>()?,
))
} else {
Ok(None)
}
}
pub fn files(&self, traverse_nested: bool) -> Result<Vec<DirectoryBundleFile<'_>>> {
let nested_dirs = self
.nested_bundles()?
.into_iter()
.map(|(_, bundle)| bundle.root_dir().to_path_buf())
.collect::<Vec<_>>();
Ok(walkdir::WalkDir::new(&self.root)
.sort_by(|a, b| a.file_name().cmp(b.file_name()))
.into_iter()
.map(|entry| {
let entry = entry?;
Ok(entry.path().to_path_buf())
})
.collect::<Result<Vec<_>>>()?
.into_iter()
.filter_map(|path| {
if path.is_dir()
|| (!traverse_nested
&& nested_dirs
.iter()
.any(|prefix| path.strip_prefix(prefix).is_ok()))
{
None
} else {
Some(DirectoryBundleFile::new(self, path))
}
})
.collect::<Vec<_>>())
}
pub fn nested_bundles(&self) -> Result<Vec<(String, Self)>> {
Ok(walkdir::WalkDir::new(&self.root)
.sort_by(|a, b| a.file_name().cmp(b.file_name()))
.into_iter()
.map(|entry| {
let entry = entry?;
Ok(entry.path().to_path_buf())
})
.collect::<Result<Vec<_>>>()?
.into_iter()
.filter_map(|p| {
let file_name = p.file_name().map(|x| x.to_string_lossy());
if p.is_dir() && file_name != Some("Contents".into()) && p != self.root {
if let Ok(bundle) = Self::new_from_path(&p) {
let rel = bundle
.root
.strip_prefix(&self.root)
.expect("nested bundle should be in sub-directory of main");
Some((rel.to_string_lossy().to_string(), bundle))
} else {
None
}
} else {
None
}
})
.collect::<Vec<_>>())
}
}
pub struct DirectoryBundleFile<'a> {
bundle: &'a DirectoryBundle,
absolute_path: PathBuf,
relative_path: PathBuf,
}
impl<'a> DirectoryBundleFile<'a> {
fn new(bundle: &'a DirectoryBundle, absolute_path: PathBuf) -> Self {
let relative_path = absolute_path
.strip_prefix(&bundle.root)
.expect("path prefix strip should have worked")
.to_path_buf();
Self {
bundle,
absolute_path,
relative_path,
}
}
pub fn absolute_path(&self) -> &Path {
&self.absolute_path
}
pub fn relative_path(&self) -> &Path {
&self.relative_path
}
pub fn is_info_plist(&self) -> bool {
self.absolute_path == self.bundle.info_plist_path()
}
pub fn is_main_executable(&self) -> Result<bool> {
if let Some(main) = self.bundle.main_executable()? {
if self.bundle.shallow() {
Ok(self.absolute_path == self.bundle.resolve_path(main))
} else {
Ok(self.absolute_path == self.bundle.resolve_path(format!("MacOS/{}", main)))
}
} else {
Ok(false)
}
}
pub fn is_in_code_signature_directory(&self) -> bool {
let prefix = self.bundle.resolve_path("_CodeSignature");
self.absolute_path.starts_with(&prefix)
}
pub fn symlink_target(&self) -> Result<Option<PathBuf>> {
let metadata = self.absolute_path.metadata()?;
if metadata.file_type().is_symlink() {
Ok(Some(std::fs::read_link(&self.absolute_path)?))
} else {
Ok(None)
}
}
}