Ignore dapps_policy.json (#3919)

* Ignore dapps_policy.json

* Produce warning for non-ignored files

Cargo.lock

@@ -665,6 +665,7 @@ dependencies = [
  "itertools 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",

ethstore/Cargo.toml

@@ -5,6 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [dependencies]
+log = "0.3"
 libc = "0.2.11"
 rand = "0.3.14"
 ethkey = { path = "../ethkey" }

ethstore/src/dir/disk.rs

@@ -22,7 +22,7 @@ use {json, SafeAccount, Error};
 use json::Uuid;
 use super::KeyDirectory;
 
-const IGNORED_FILES: &'static [&'static str] = &["thumbs.db", "address_book.json"];
+const IGNORED_FILES: &'static [&'static str] = &["thumbs.db", "address_book.json", "dapps_policy.json"];
 
 #[cfg(not(windows))]
 fn restrict_permissions_to_owner(file_path: &Path) -> Result<(), i32>  {
@@ -78,7 +78,7 @@ impl DiskDirectory {
 			.map(|entry| entry.path())
 			.collect::<Vec<PathBuf>>();
 
-		paths
+		Ok(paths
 			.iter()
 			.map(|p| (
 				fs::File::open(p)
@@ -86,13 +86,17 @@ impl DiskDirectory {
 					.and_then(|r| json::KeyFile::load(r).map_err(|e| Error::Custom(format!("{:?}", e)))),
 				p
 			))
-			.map(|(file, path)| match file {
-				Ok(file) => Ok((path.clone(), SafeAccount::from_file(
+			.filter_map(|(file, path)| match file {
+				Ok(file) => Some((path.clone(), SafeAccount::from_file(
 					file, Some(path.file_name().and_then(|n| n.to_str()).expect("Keys have valid UTF8 names only.").to_owned())
 				))),
-				Err(err) => Err(Error::InvalidKeyFile(format!("{:?}: {}", path, err))),
+				Err(err) => {
+					warn!("Invalid key file: {:?} ({})", path, err);
+					None
+				},
 			})
 			.collect()
+		)
 	}
 }
 

ethstore/src/lib.rs

@@ -32,6 +32,9 @@ extern crate parking_lot;
 extern crate ethkey as _ethkey;
 extern crate ethcrypto as crypto;
 
+#[macro_use]
+extern crate log;
+
 #[macro_use]
 extern crate lazy_static;