Fetching from github

dapps/src/apps/fetcher.rs

@@ -19,7 +19,7 @@
 //! Uses `URLHint` to resolve addresses into Dapps bundle file location.
 
 use zip;
-use std::{fs, env};
+use std::{fs, env, fmt};
 use std::io::{self, Read, Write};
 use std::path::PathBuf;
 use std::sync::Arc;
@@ -146,6 +146,23 @@ pub enum ValidationError {
 	HashMismatch { expected: H256, got: H256, },
 }
 
+impl fmt::Display for ValidationError {
+	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+		match *self {
+			ValidationError::Io(ref io) => write!(f, "Unexpected IO error occured: {:?}", io),
+			ValidationError::Zip(ref zip) => write!(f, "Unable to read ZIP archive: {:?}", zip),
+			ValidationError::InvalidDappId => write!(f, "Dapp ID is invalid. It should be 32 bytes hash of content."),
+			ValidationError::ManifestNotFound => write!(f, "Downloaded Dapp bundle did not contain valid manifest.json file."),
+			ValidationError::ManifestSerialization(ref err) => {
+				write!(f, "There was an error during Dapp Manifest serialization: {:?}", err)
+			},
+			ValidationError::HashMismatch { ref expected, ref got } => {
+				write!(f, "Hash of downloaded content did not match. Expected:{:?}, Got:{:?}.", expected, got)
+			},
+		}
+	}
+}
+
 impl From<io::Error> for ValidationError {
 	fn from(err: io::Error) -> Self {
 		ValidationError::Io(err)

dapps/src/apps/urlhint.rs

@@ -33,8 +33,7 @@ pub struct GithubApp {
 
 impl GithubApp {
 	pub fn url(&self) -> String {
-		// format!("https://github.com/{}/{}/archive/{}.zip", self.account, self.repo, self.commit.to_hex())
-		format!("http://github.todr.me/{}/{}/zip/{}", self.account, self.repo, self.commit.to_hex())
+		format!("https://github.com/{}/{}/archive/{}.zip", self.account, self.repo, self.commit.to_hex())
 	}
 
 	fn commit(bytes: &[u8]) -> Option<[u8;COMMIT_LEN]> {