Replace x-www-form-url encoding with percent encoding in blob/container signature generation (#318)

* replace form url encoding with percent encoding

* fixed example missing a dependency

* less verbose code

* less verbose code (forgot some :)

Author: Francesco Cogno

azure_sdk_storage_blob/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name          = "azure_sdk_storage_blob"
-version       = "0.45.2"
+version       = "0.45.3"
 description   = "Rust wrappers around Microsoft Azure REST APIs - Blob storage crate"
 readme        = "README.md"
 authors       = ["Francesco Cogno <francesco.cogno@outlook.com>", "Max Gortman <mgortman@microsoft.com>", "Dong Liu <doliu@microsoft.com>"]
@@ -28,13 +28,14 @@ log                     = "0.4"
 serde                   = "1.0"
 serde_derive            = "1.0"
 serde-xml-rs            = "0.4"
-url                     = "2.1"
 uuid                    = { version = "0.8", features = ["v4"] }
+percent-encoding	= "2.1"
 
 [dev-dependencies]
 env_logger              = "0.7"
 tokio                   = { version = "0.2", features = ["macros"] }
 azure_sdk_auth_aad      = { path = "../azure_sdk_auth_aad" }
+url                     = "2.1"
 
 [features]
 default			= [ "azure_sdk_core" ]

azure_sdk_storage_blob/src/blob/mod.rs

@@ -21,16 +21,6 @@ use azure_sdk_core::headers::{
     COPY_SOURCE, COPY_STATUS, COPY_STATUS_DESCRIPTION, CREATION_TIME, LEASE_DURATION, LEASE_STATE,
     LEASE_STATUS, SERVER_ENCRYPTED,
 };
-use azure_sdk_storage_core::Client;
-use chrono::{DateTime, Utc};
-use hyper::header;
-use std::borrow::Borrow;
-use std::collections::HashMap;
-use std::str::FromStr;
-use url::form_urlencoded;
-use xml::Element;
-use xml::Xml::ElementNode;
-
 use azure_sdk_core::{
     errors::{AzureError, TraversingError},
     incompletevector::IncompleteVector,
@@ -39,6 +29,15 @@ use azure_sdk_core::{
     range::Range,
     util::HeaderMapExt,
 };
+use azure_sdk_storage_core::Client;
+use chrono::{DateTime, Utc};
+use hyper::header;
+use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};
+use std::borrow::Borrow;
+use std::collections::HashMap;
+use std::str::FromStr;
+use xml::Element;
+use xml::Xml::ElementNode;
 
 #[cfg(feature = "azurite_workaround")]
 fn get_creation_time(h: &header::HeaderMap) -> Result<Option<DateTime<Utc>>, AzureError> {
@@ -464,15 +463,15 @@ where
         Some(ref params) => format!(
             "{}/{}/{}?{}",
             t.blob_uri(),
-            form_urlencoded::byte_serialize(container_name.as_bytes()).collect::<String>(),
-            form_urlencoded::byte_serialize(blob_name.as_bytes()).collect::<String>(),
+            utf8_percent_encode(container_name, NON_ALPHANUMERIC),
+            utf8_percent_encode(blob_name, NON_ALPHANUMERIC),
             params
         ),
         None => format!(
             "{}/{}/{}",
             t.blob_uri(),
-            form_urlencoded::byte_serialize(container_name.as_bytes()).collect::<String>(),
-            form_urlencoded::byte_serialize(blob_name.as_bytes()).collect::<String>(),
+            utf8_percent_encode(container_name, NON_ALPHANUMERIC),
+            utf8_percent_encode(blob_name, NON_ALPHANUMERIC),
         ),
     }
 }

azure_sdk_storage_blob/src/container/mod.rs

@@ -18,9 +18,9 @@ use http::request::Builder;
 use http::HeaderMap;
 use hyper::header;
 use hyper::header::HeaderName;
+use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};
 use std::collections::HashMap;
 use std::str::FromStr;
-use url::form_urlencoded;
 use xml::{Element, Xml};
 
 create_enum!(
@@ -285,13 +285,13 @@ where
         Some(ref params) => format!(
             "{}/{}?{}",
             c.blob_uri(),
-            form_urlencoded::byte_serialize(container_name.as_bytes()).collect::<String>(),
+            utf8_percent_encode(container_name, NON_ALPHANUMERIC),
             params
         ),
         None => format!(
             "{}/{}",
             c.blob_uri(),
-            form_urlencoded::byte_serialize(container_name.as_bytes()).collect::<String>(),
+            utf8_percent_encode(container_name, NON_ALPHANUMERIC),
         ),
     }
 }