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</pre><pre class="rust ">
<span class="comment">// Copyright 2017 LambdaStack All rights reserved.</span>
<span class="comment">//</span>
<span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span>
<span class="comment">// you may not use this file except in compliance with the License.</span>
<span class="comment">// You may obtain a copy of the License at</span>
<span class="comment">//</span>
<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="comment">//</span>
<span class="comment">// Unless required by applicable law or agreed to in writing, software</span>
<span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="comment">// See the License for the specific language governing permissions and</span>
<span class="comment">// limitations under the License.</span>
<span class="comment">//</span>
<span class="comment">// Portions borrowed from the rusoto project. See README.md</span>
<span class="comment">//</span>
<span class="doccomment">//! Library Documentation</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! AWS API request signatures.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! Follows [AWS Signature 4](http://docs.aws.amazon.com/general/latest/gr/signature-version-4.html)</span>
<span class="doccomment">//! algorithm.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! If needed, the request will be re-issued to a temporary redirect endpoint. This can happen with</span>
<span class="doccomment">//! newly created S3 buckets not in us-standard/us-east-1.</span>
<span class="attribute">#<span class="op">!</span>[<span class="ident">allow</span>(<span class="ident">unused_variables</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">ascii</span>::<span class="ident">AsciiExt</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">BTreeMap</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">btree_map</span>::<span class="ident">Entry</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">str</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">sign</span>::<span class="ident">Signer</span>;
<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">hash</span>::<span class="ident">MessageDigest</span>;
<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">pkey</span>::<span class="ident">PKey</span>;
<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">hash</span>::<span class="ident">hash2</span>;
<span class="kw">use</span> <span class="ident">rustc_serialize</span>::<span class="ident">hex</span>::<span class="ident">ToHex</span>;
<span class="kw">use</span> <span class="ident">rustc_serialize</span>::<span class="ident">base64</span>::{<span class="ident">STANDARD</span>, <span class="ident">ToBase64</span>};
<span class="kw">use</span> <span class="ident">time</span>::<span class="ident">Tm</span>;
<span class="kw">use</span> <span class="ident">time</span>::<span class="ident">now_utc</span>;
<span class="kw">use</span> <span class="ident">url</span>::<span class="ident">percent_encoding</span>::{<span class="ident">DEFAULT_ENCODE_SET</span>, <span class="ident">QUERY_ENCODE_SET</span>, <span class="ident">utf8_percent_encode</span>};
<span class="kw">use</span> <span class="ident">aws</span>::<span class="ident">common</span>::<span class="ident">credentials</span>::<span class="ident">AwsCredentials</span>;
<span class="kw">use</span> <span class="ident">aws</span>::<span class="ident">common</span>::<span class="ident">params</span>::<span class="ident">Params</span>;
<span class="kw">use</span> <span class="ident">aws</span>::<span class="ident">common</span>::<span class="ident">region</span>::<span class="ident">Region</span>;
<span class="kw">use</span> <span class="ident">aws</span>::<span class="ident">s3</span>::<span class="ident">endpoint</span>::<span class="ident">Signature</span>;
<span class="kw">use</span> <span class="ident">aws</span>::<span class="ident">s3</span>::<span class="ident">endpoint</span>::<span class="ident">Endpoint</span>;
<span class="comment">// const HTTP_TEMPORARY_REDIRECT: StatusCode = StatusCode::TemporaryRedirect;</span>
<span class="kw">static</span> <span class="ident">DEFAULT_USER_AGENT</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span> <span class="op">=</span> <span class="macro">concat</span><span class="macro">!</span>(<span class="macro">env</span><span class="macro">!</span>(<span class="string">"CARGO_PKG_NAME"</span>), <span class="string">"/"</span>, <span class="macro">env</span><span class="macro">!</span>(<span class="string">"CARGO_PKG_VERSION"</span>));
<span class="doccomment">/// A data structure for all the elements of an HTTP request that are involved in</span>
<span class="doccomment">/// the Amazon Signature Version 4 signing process</span>
<span class="doccomment">/// version - represents the Signature version. The default is 4 but it can also be set to 2 for older environments.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span>
<span class="comment">// #[derive(Debug, Default, Clone, RustcDecodable, RustcEncodable)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">SignedRequest</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
<span class="kw">pub</span> <span class="ident">method</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">service</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">region</span>: <span class="ident">Region</span>,
<span class="kw">pub</span> <span class="ident">path</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">headers</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">>></span><span class="op">></span>,
<span class="kw">pub</span> <span class="ident">params</span>: <span class="ident">Params</span>,
<span class="kw">pub</span> <span class="ident">bucket</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">hostname</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
<span class="kw">pub</span> <span class="ident">payload</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">u8</span>]<span class="op">></span>,
<span class="kw">pub</span> <span class="ident">content_type</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
<span class="kw">pub</span> <span class="ident">path_options</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
<span class="kw">pub</span> <span class="ident">canonical_query_string</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">canonical_uri</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">endpoint</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Endpoint</span>,
}
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">SignedRequest</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
<span class="doccomment">/// Default constructor</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">method</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">service</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">region</span>: <span class="ident">Region</span>, <span class="ident">bucket</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">endpoint</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Endpoint</span>)
<span class="op">-></span> <span class="ident">SignedRequest</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
<span class="ident">SignedRequest</span> {
<span class="ident">method</span>: <span class="ident">method</span>.<span class="ident">to_string</span>(),
<span class="ident">service</span>: <span class="ident">service</span>.<span class="ident">to_string</span>(),
<span class="ident">region</span>: <span class="ident">region</span>,
<span class="ident">path</span>: <span class="ident">path</span>.<span class="ident">to_string</span>(),
<span class="ident">headers</span>: <span class="ident">BTreeMap</span>::<span class="ident">new</span>(),
<span class="ident">params</span>: <span class="ident">Params</span>::<span class="ident">new</span>(),
<span class="ident">bucket</span>: <span class="ident">bucket</span>.<span class="ident">to_string</span>(),
<span class="ident">hostname</span>: <span class="prelude-val">None</span>,
<span class="ident">payload</span>: <span class="prelude-val">None</span>,
<span class="ident">content_type</span>: <span class="prelude-val">None</span>,
<span class="ident">path_options</span>: <span class="prelude-val">None</span>,
<span class="ident">canonical_query_string</span>: <span class="ident">String</span>::<span class="ident">new</span>(),
<span class="ident">canonical_uri</span>: <span class="ident">String</span>::<span class="ident">new</span>(),
<span class="ident">endpoint</span>: <span class="ident">endpoint</span>,
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_content_type</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">content_type</span>: <span class="ident">String</span>) {
<span class="self">self</span>.<span class="ident">content_type</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">content_type</span>);
}
<span class="doccomment">/// Allows for overriding inital bucket name used when struct was created.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_bucket</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">bucket</span>: <span class="kw-2">&</span><span class="ident">str</span>) {
<span class="self">self</span>.<span class="ident">bucket</span> <span class="op">=</span> <span class="ident">bucket</span>.<span class="ident">to_string</span>();
}
<span class="doccomment">/// Use this for adding an actual endpoint such as s3.us-east-1.amazon.com or one of your choice.</span>
<span class="doccomment">/// hostname in this context means the FQDN less the bucket name if using Virtual Buckets.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_hostname</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">hostname</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>) {
<span class="self">self</span>.<span class="ident">hostname</span> <span class="op">=</span> <span class="ident">hostname</span>;
}
<span class="doccomment">/// Sets the path_options which allows you to prepend a query path option to the normal</span>
<span class="doccomment">/// query path string but not have it included in the signature. Only certain third party products use this.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_path_options</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">path_options</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>) {
<span class="self">self</span>.<span class="ident">path_options</span> <span class="op">=</span> <span class="ident">path_options</span>;
}
<span class="comment">// NOTE: This pulls from default service types like S3 etc. Only use this if use AWS directly.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_endpoint_prefix</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">endpoint_prefix</span>: <span class="ident">String</span>) {
<span class="self">self</span>.<span class="ident">hostname</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">build_hostname</span>(<span class="kw-2">&</span><span class="ident">endpoint_prefix</span>, <span class="self">self</span>.<span class="ident">region</span>));
}
<span class="doccomment">/// Allows you to set the UTF8 payload in bytes.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_payload</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">payload</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">u8</span>]<span class="op">></span>) {
<span class="self">self</span>.<span class="ident">payload</span> <span class="op">=</span> <span class="ident">payload</span>;
}
<span class="doccomment">/// Sets a new set of `Params`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_params</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">params</span>: <span class="ident">Params</span>) {
<span class="self">self</span>.<span class="ident">params</span> <span class="op">=</span> <span class="ident">params</span>;
}
<span class="doccomment">/// Returns the `bucket` name.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">bucket</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">bucket</span>
}
<span class="doccomment">/// Returns the HTTP Verb: GET, POST, DELETE, HEAD.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">method</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">method</span>
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">endpoint</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Endpoint</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">endpoint</span>
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">endpoint_scheme</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">endpoint</span>.<span class="ident">endpoint</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">url</span>) <span class="op">=></span> <span class="ident">url</span>.<span class="ident">scheme</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="string">"https"</span>,
}
}
<span class="doccomment">/// Returns the `path (uri)` used for calculating signature.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">path</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">path</span>
}
<span class="doccomment">/// Returns the Canonical URI used by the signature process.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">canonical_uri</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">canonical_uri</span>
}
<span class="doccomment">/// Returns the Canonical Query used by the signature process.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">canonical_query_string</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">canonical_query_string</span>
}
<span class="doccomment">/// Returns the UTF8 byte slice of the payload.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">payload</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">u8</span>]<span class="op">></span> {
<span class="self">self</span>.<span class="ident">payload</span>
}
<span class="doccomment">/// Returns the Vec of `headers`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">headers</span>(<span class="kw-2">&</span><span class="lifetime">'a</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">>></span><span class="op">></span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">headers</span>
}
<span class="doccomment">/// Returns `hostname` value or builds a new one based on the AWS S3 service and Region.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">hostname</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">hostname</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">h</span>) <span class="op">=></span> <span class="ident">h</span>.<span class="ident">to_string</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">build_hostname</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">service</span>, <span class="self">self</span>.<span class="ident">region</span>),
}
}
<span class="doccomment">/// Returns the path_options which allows you to prepend a query path option to the normal</span>
<span class="doccomment">/// query path string but not have it included in the signature. Only certain third party products use this.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">path_options</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">path_options</span>.<span class="ident">clone</span>()
}
<span class="doccomment">/// If the header key exists in headers, set it to blank/unoccupied:</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">remove_header</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="kw-2">&</span><span class="ident">str</span>) {
<span class="kw">let</span> <span class="ident">key_lower</span> <span class="op">=</span> <span class="ident">key</span>.<span class="ident">to_ascii_lowercase</span>().<span class="ident">to_string</span>();
<span class="self">self</span>.<span class="ident">headers</span>.<span class="ident">remove</span>(<span class="kw-2">&</span><span class="ident">key_lower</span>);
}
<span class="doccomment">/// Add a value to the array of headers for the specified key.</span>
<span class="doccomment">/// Headers are kept sorted by key name for use at signing (BTreeMap)</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">add_header</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="ident">str</span>) {
<span class="kw">let</span> <span class="ident">key_lower</span> <span class="op">=</span> <span class="ident">key</span>.<span class="ident">to_ascii_lowercase</span>().<span class="ident">to_string</span>();
<span class="kw">let</span> <span class="ident">value_vec</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">as_bytes</span>().<span class="ident">to_vec</span>();
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">headers</span>.<span class="ident">entry</span>(<span class="ident">key_lower</span>) {
<span class="ident">Entry</span>::<span class="ident">Vacant</span>(<span class="ident">entry</span>) <span class="op">=></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">values</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
<span class="ident">values</span>.<span class="ident">push</span>(<span class="ident">value_vec</span>);
<span class="ident">entry</span>.<span class="ident">insert</span>(<span class="ident">values</span>);
},
<span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">entry</span>) <span class="op">=></span> {
<span class="ident">entry</span>.<span class="ident">into_mut</span>().<span class="ident">push</span>(<span class="ident">value_vec</span>);
},
}
}
<span class="doccomment">/// Removes header if exists and then adds new one.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">update_header</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="ident">str</span>) {
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="ident">key</span>);
<span class="kw">let</span> <span class="ident">key_lower</span> <span class="op">=</span> <span class="ident">key</span>.<span class="ident">to_ascii_lowercase</span>().<span class="ident">to_string</span>();
<span class="kw">let</span> <span class="ident">value_vec</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">as_bytes</span>().<span class="ident">to_vec</span>();
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">headers</span>.<span class="ident">entry</span>(<span class="ident">key_lower</span>) {
<span class="ident">Entry</span>::<span class="ident">Vacant</span>(<span class="ident">entry</span>) <span class="op">=></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">values</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
<span class="ident">values</span>.<span class="ident">push</span>(<span class="ident">value_vec</span>);
<span class="ident">entry</span>.<span class="ident">insert</span>(<span class="ident">values</span>);
},
<span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">entry</span>) <span class="op">=></span> {},
}
}
<span class="comment">// Returns header value. Empty String is returned if header does not exist.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_header</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="ident">key_lower</span> <span class="op">=</span> <span class="ident">key</span>.<span class="ident">to_ascii_lowercase</span>().<span class="ident">to_string</span>();
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">headers</span>.<span class="ident">entry</span>(<span class="ident">key_lower</span>) {
<span class="ident">Entry</span>::<span class="ident">Vacant</span>(<span class="ident">entry</span>) <span class="op">=></span> <span class="string">""</span>.<span class="ident">to_string</span>(),
<span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">entry</span>) <span class="op">=></span> <span class="ident">canonical_values</span>(<span class="ident">entry</span>.<span class="ident">get</span>()),
}
}
<span class="doccomment">/// Adds to the `Params` Vec.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">add_param</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="ident">S</span>, <span class="ident">value</span>: <span class="ident">S</span>)
<span class="kw">where</span> <span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
{
<span class="self">self</span>.<span class="ident">params</span>.<span class="ident">insert</span>(<span class="ident">key</span>.<span class="ident">into</span>(), <span class="ident">value</span>.<span class="ident">into</span>());
}
<span class="doccomment">/// Called by `Requests` and determines which signature function to use.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sign</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">creds</span>: <span class="kw-2">&</span><span class="ident">AwsCredentials</span>) {
<span class="comment">// NOTE: Check the bucket and path</span>
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">endpoint</span>.<span class="ident">is_bucket_virtual</span> {
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">bucket</span>.<span class="ident">contains</span>(<span class="string">"."</span>) <span class="op">&&</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">path</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"/{}/"</span>, <span class="self">self</span>.<span class="ident">bucket</span>)) {
<span class="self">self</span>.<span class="ident">path</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"/{}{}"</span>, <span class="self">self</span>.<span class="ident">bucket</span>, <span class="self">self</span>.<span class="ident">path</span>);
}
} <span class="kw">else</span> <span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">path</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"/{}/"</span>, <span class="self">self</span>.<span class="ident">bucket</span>)) {
<span class="self">self</span>.<span class="ident">path</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}{}{}"</span>, <span class="kw">if</span> <span class="self">self</span>.<span class="ident">bucket</span>.<span class="ident">len</span>() <span class="op">></span> <span class="number">0</span> {<span class="string">"/"</span>} <span class="kw">else</span> {<span class="string">""</span>}, <span class="self">self</span>.<span class="ident">bucket</span>, <span class="self">self</span>.<span class="ident">path</span>);
} <span class="comment">// Leave untouched if none of the above match</span>
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">endpoint</span>.<span class="ident">signature</span> {
<span class="ident">Signature</span>::<span class="ident">V2</span> <span class="op">=></span> <span class="self">self</span>.<span class="ident">sign_v2</span>(<span class="kw-2">&</span><span class="ident">creds</span>),
<span class="ident">Signature</span>::<span class="ident">V4</span> <span class="op">=></span> <span class="self">self</span>.<span class="ident">sign_v4</span>(<span class="kw-2">&</span><span class="ident">creds</span>),
}
}
<span class="kw">fn</span> <span class="ident">sign_v2</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">creds</span>: <span class="kw-2">&</span><span class="ident">AwsCredentials</span>) {
<span class="kw">let</span> <span class="ident">hostname</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">hostname</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">h</span>) <span class="op">=></span> <span class="ident">h</span>.<span class="ident">to_string</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">build_hostname</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">service</span>, <span class="self">self</span>.<span class="ident">region</span>),
};
<span class="comment">// Gotta remove and re-add headers since by default they append the value. If we're following</span>
<span class="comment">// a 307 redirect we end up with Three Stooges in the headers with duplicate values.</span>
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"Host"</span>, <span class="kw-2">&</span><span class="ident">hostname</span>);
<span class="kw">let</span> <span class="ident">ct</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content_type</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">h</span>) <span class="op">=></span> <span class="ident">h</span>.<span class="ident">to_string</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">String</span>::<span class="ident">from</span>(<span class="string">"application/octet-stream"</span>),
};
<span class="kw">let</span> <span class="ident">ep</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">endpoint</span>().<span class="ident">clone</span>().<span class="ident">user_agent</span>.<span class="ident">unwrap_or</span>(<span class="ident">DEFAULT_USER_AGENT</span>.<span class="ident">to_string</span>());
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"User-Agent"</span>, <span class="kw-2">&</span><span class="ident">ep</span>);
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"Content-Type"</span>, <span class="kw-2">&</span><span class="ident">ct</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">token</span>) <span class="op">=</span> <span class="kw-2">*</span><span class="ident">creds</span>.<span class="ident">token</span>() {
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"X-Amz-Security-Token"</span>, <span class="ident">token</span>);
}
<span class="comment">// V2 uses GMT in long format</span>
<span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="ident">now_utc</span>().<span class="ident">rfc822</span>().<span class="ident">to_string</span>();
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"Date"</span>, <span class="kw-2">&</span><span class="ident">date</span>);
<span class="self">self</span>.<span class="ident">canonical_query_string</span> <span class="op">=</span> <span class="ident">build_canonical_query_string</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">params</span>);
<span class="comment">// self.canonical_uri = canonical_uri(&self.path);</span>
<span class="comment">// let canonical_headers = canonical_headers_v2(&self.headers);</span>
<span class="comment">// let canonical_resources = canonical_resources_v2(&self.bucket, &self.path);</span>
<span class="comment">// println!("----sign_v2----------");</span>
<span class="comment">// println!("bucket {:#?}", self.bucket);</span>
<span class="comment">// println!("hostname {:#?}", hostname);</span>
<span class="comment">// println!("canonical_query_string {:#?}", self.canonical_query_string);</span>
<span class="comment">// println!("canonical_resources_v2 {:#?}", canonical_resources);</span>
<span class="comment">// println!("canonical_headers {:?}", canonical_headers);</span>
<span class="comment">// println!("**-------------------");</span>
<span class="comment">// println!("headers {:?}", self.headers);</span>
<span class="comment">// println!("path {:#?}", self.path);</span>
<span class="comment">// println!("params {:#?}", self.params);</span>
<span class="comment">// println!("---------------------");</span>
<span class="comment">// NOTE: If you set the 'date' header then include it in the string_to_sign w/o the</span>
<span class="comment">// x-amz-date resource. If you do not use the date header but use the x-amz-date then set</span>
<span class="comment">// the date in string_to_sign to "" and include x-amz-date in the resource. It makes it</span>
<span class="comment">// easier to exclude date and set x-amz-date instead.</span>
<span class="kw">let</span> <span class="ident">md5</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_header</span>(<span class="string">"Content-MD5"</span>);
<span class="kw">let</span> <span class="ident">content_type</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_header</span>(<span class="string">"Content-Type"</span>);
<span class="kw">let</span> <span class="ident">date_str</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_header</span>(<span class="string">"Date"</span>);
<span class="comment">// NOTE: canonical_headers_v2 may should pull back /{bucket}/{key}</span>
<span class="comment">// AWS takes bucket (host) and uses it for calc</span>
<span class="kw">let</span> <span class="ident">string_to_sign</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}\n{}\n{}\n{}\n{}{}"</span>,
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">method</span>,
<span class="ident">md5</span>,
<span class="ident">content_type</span>,
<span class="ident">date_str</span>,
<span class="ident">canonical_headers_v2</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">headers</span>),
<span class="ident">canonical_resources_v2</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">bucket</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">path</span>, <span class="self">self</span>.<span class="ident">endpoint</span>.<span class="ident">is_bucket_virtual</span>));
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">payload</span> {
<span class="prelude-val">None</span> <span class="op">=></span> {
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"Content-Length"</span>, <span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="number">0</span>));
},
<span class="prelude-val">Some</span>(<span class="ident">payload</span>) <span class="op">=></span> {
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"Content-Length"</span>, <span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">payload</span>.<span class="ident">len</span>()));
<span class="comment">// println!("--------payload---------");</span>
<span class="comment">// println!("{:#?}", payload);</span>
},
}
<span class="comment">// println!("canonical_query_string {:#?}", self.canonical_query_string);</span>
<span class="comment">// println!("string_to_sign {:#?}", string_to_sign);</span>
<span class="comment">// println!("===================");</span>
<span class="kw">let</span> <span class="ident">signature</span> <span class="op">=</span> {
<span class="kw">let</span> <span class="ident">hmac_pkey</span> <span class="op">=</span> <span class="ident">PKey</span>::<span class="ident">hmac</span>(<span class="ident">creds</span>.<span class="ident">aws_secret_access_key</span>().<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hmac</span> <span class="op">=</span> <span class="ident">Signer</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha1</span>(), <span class="kw-2">&</span><span class="ident">hmac_pkey</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> _ <span class="op">=</span> <span class="ident">hmac</span>.<span class="ident">write_all</span>(<span class="ident">string_to_sign</span>.<span class="ident">as_bytes</span>());
<span class="ident">hmac</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>().<span class="ident">to_base64</span>(<span class="ident">STANDARD</span>)
};
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"Authorization"</span>, <span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"AWS {}:{}"</span>, <span class="ident">creds</span>.<span class="ident">aws_access_key_id</span>(), <span class="ident">signature</span>));
}
<span class="kw">fn</span> <span class="ident">sign_v4</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">creds</span>: <span class="kw-2">&</span><span class="ident">AwsCredentials</span>) {
<span class="kw">let</span> <span class="ident">hostname</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">hostname</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">h</span>) <span class="op">=></span> <span class="ident">h</span>.<span class="ident">to_string</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">build_hostname</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">service</span>, <span class="self">self</span>.<span class="ident">region</span>),
};
<span class="comment">// Gotta remove and re-add headers since by default they append the value. If we're following</span>
<span class="comment">// a 307 redirect we end up with Three Stooges in the headers with duplicate values.</span>
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"host"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"host"</span>, <span class="kw-2">&</span><span class="ident">hostname</span>);
<span class="kw">let</span> <span class="ident">ep</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">endpoint</span>().<span class="ident">clone</span>().<span class="ident">user_agent</span>.<span class="ident">unwrap_or</span>(<span class="ident">DEFAULT_USER_AGENT</span>.<span class="ident">to_string</span>());
<span class="self">self</span>.<span class="ident">update_header</span>(<span class="string">"User-Agent"</span>, <span class="kw-2">&</span><span class="ident">ep</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">token</span>) <span class="op">=</span> <span class="kw-2">*</span><span class="ident">creds</span>.<span class="ident">token</span>() {
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"X-Amz-Security-Token"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"X-Amz-Security-Token"</span>, <span class="ident">token</span>);
}
<span class="self">self</span>.<span class="ident">canonical_query_string</span> <span class="op">=</span> <span class="ident">build_canonical_query_string</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">params</span>);
<span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="ident">now_utc</span>();
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"x-amz-date"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"x-amz-date"</span>, <span class="kw-2">&</span><span class="ident">date</span>.<span class="ident">strftime</span>(<span class="string">"%Y%m%dT%H%M%SZ"</span>).<span class="ident">unwrap</span>().<span class="ident">to_string</span>());
<span class="comment">// build the canonical request</span>
<span class="kw">let</span> <span class="ident">signed_headers</span> <span class="op">=</span> <span class="ident">signed_headers</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">headers</span>);
<span class="self">self</span>.<span class="ident">canonical_uri</span> <span class="op">=</span> <span class="ident">canonical_uri</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">path</span>);
<span class="kw">let</span> <span class="ident">canonical_headers</span> <span class="op">=</span> <span class="ident">canonical_headers</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">headers</span>);
<span class="kw">let</span> <span class="ident">canonical_request</span>: <span class="ident">String</span>;
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">payload</span> {
<span class="prelude-val">None</span> <span class="op">=></span> {
<span class="ident">canonical_request</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}\n{}\n{}\n{}\n{}\n{}"</span>,
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">method</span>,
<span class="self">self</span>.<span class="ident">canonical_uri</span>,
<span class="self">self</span>.<span class="ident">canonical_query_string</span>,
<span class="ident">canonical_headers</span>,
<span class="ident">signed_headers</span>,
<span class="kw-2">&</span><span class="ident">to_hexdigest_from_string</span>(<span class="string">""</span>));
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"x-amz-content-sha256"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"x-amz-content-sha256"</span>, <span class="kw-2">&</span><span class="ident">to_hexdigest_from_string</span>(<span class="string">""</span>));
},
<span class="prelude-val">Some</span>(<span class="ident">payload</span>) <span class="op">=></span> {
<span class="ident">canonical_request</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}\n{}\n{}\n{}\n{}\n{}"</span>,
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">method</span>,
<span class="self">self</span>.<span class="ident">canonical_uri</span>,
<span class="self">self</span>.<span class="ident">canonical_query_string</span>,
<span class="ident">canonical_headers</span>,
<span class="ident">signed_headers</span>,
<span class="kw-2">&</span><span class="ident">to_hexdigest_from_bytes</span>(<span class="ident">payload</span>));
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"x-amz-content-sha256"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"x-amz-content-sha256"</span>, <span class="kw-2">&</span><span class="ident">to_hexdigest_from_bytes</span>(<span class="ident">payload</span>));
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"content-length"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"content-length"</span>, <span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">payload</span>.<span class="ident">len</span>()));
},
}
<span class="comment">// println!("----sign_v4----------");</span>
<span class="comment">// println!("canonical_query_string {:?}", self.canonical_query_string);</span>
<span class="comment">// println!("canonical_uri {:?}", self.canonical_uri);</span>
<span class="comment">// println!("canonical_headers {:?}", canonical_headers);</span>
<span class="comment">// println!("---------------------");</span>
<span class="comment">// println!("headers {:?}", self.headers);</span>
<span class="comment">// println!("path {:?}", self.path);</span>
<span class="comment">// println!("params {:?}", self.params);</span>
<span class="comment">// println!("canonical_request {:?}", canonical_request);</span>
<span class="comment">// println!("=====================");</span>
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"content-type"</span>);
<span class="kw">let</span> <span class="ident">ct</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content_type</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">h</span>) <span class="op">=></span> <span class="ident">h</span>.<span class="ident">to_string</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">String</span>::<span class="ident">from</span>(<span class="string">"application/octet-stream"</span>),
};
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"content-type"</span>, <span class="kw-2">&</span><span class="ident">ct</span>);
<span class="comment">// use the ed canonical request to build the string to sign</span>
<span class="kw">let</span> <span class="ident">hashed_canonical_request</span> <span class="op">=</span> <span class="ident">to_hexdigest_from_string</span>(<span class="kw-2">&</span><span class="ident">canonical_request</span>);
<span class="kw">let</span> <span class="ident">scope</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}/{}/{}/aws4_request"</span>, <span class="ident">date</span>.<span class="ident">strftime</span>(<span class="string">"%Y%m%d"</span>).<span class="ident">unwrap</span>(), <span class="self">self</span>.<span class="ident">region</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">service</span>);
<span class="kw">let</span> <span class="ident">string_to_sign</span> <span class="op">=</span> <span class="ident">string_to_sign_v4</span>(<span class="ident">date</span>, <span class="kw-2">&</span><span class="ident">hashed_canonical_request</span>, <span class="kw-2">&</span><span class="ident">scope</span>);
<span class="comment">// construct the signing key and sign the string with it</span>
<span class="kw">let</span> <span class="ident">signing_key</span> <span class="op">=</span> <span class="ident">signing_key</span>(<span class="ident">creds</span>.<span class="ident">aws_secret_access_key</span>(), <span class="ident">date</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">region</span>.<span class="ident">to_string</span>(), <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">service</span>);
<span class="comment">// println!("signing_key {:?}", signing_key);</span>
<span class="kw">let</span> <span class="ident">signature</span> <span class="op">=</span> <span class="ident">signature</span>(<span class="kw-2">&</span><span class="ident">string_to_sign</span>, <span class="ident">signing_key</span>);
<span class="comment">// build the actual auth header</span>
<span class="kw">let</span> <span class="ident">auth_header</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"AWS4-HMAC-SHA256 Credential={}/{}, SignedHeaders={}, Signature={}"</span>,
<span class="kw-2">&</span><span class="ident">creds</span>.<span class="ident">aws_access_key_id</span>(),
<span class="ident">scope</span>,
<span class="ident">signed_headers</span>,
<span class="ident">signature</span>);
<span class="self">self</span>.<span class="ident">remove_header</span>(<span class="string">"authorization"</span>);
<span class="self">self</span>.<span class="ident">add_header</span>(<span class="string">"authorization"</span>, <span class="kw-2">&</span><span class="ident">auth_header</span>);
<span class="comment">// println!("hashed_canonical_request {:?}", hashed_canonical_request);</span>
<span class="comment">// println!("scope {:?}", scope);</span>
<span class="comment">// println!("string_to_sign {:?}", string_to_sign);</span>
<span class="comment">// println!("signature {:?}", signature);</span>
<span class="comment">// println!("auth_header {:?}", auth_header);</span>
}
}
<span class="comment">// Private functions used to support the Signature Process...</span>
<span class="comment">// V4 Signature related - Begin</span>
<span class="kw">fn</span> <span class="ident">signature</span>(<span class="ident">string_to_sign</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">signing_key</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="ident">hmac_pkey</span> <span class="op">=</span> <span class="ident">PKey</span>::<span class="ident">hmac</span>(<span class="kw-2">&</span><span class="ident">signing_key</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hmac</span> <span class="op">=</span> <span class="ident">Signer</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="kw-2">&</span><span class="ident">hmac_pkey</span>).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">write_all</span>(<span class="ident">string_to_sign</span>.<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>().<span class="ident">to_hex</span>().<span class="ident">to_string</span>()
}
<span class="kw">fn</span> <span class="ident">signing_key</span>(<span class="ident">secret</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">date</span>: <span class="ident">Tm</span>, <span class="ident">region</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">service</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">hmac_pkey</span> <span class="op">=</span> <span class="ident">PKey</span>::<span class="ident">hmac</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"AWS4{}"</span>, <span class="ident">secret</span>).<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hmac</span> <span class="op">=</span> <span class="ident">Signer</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="kw-2">&</span><span class="ident">hmac_pkey</span>).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">write_all</span>(<span class="ident">date</span>.<span class="ident">strftime</span>(<span class="string">"%Y%m%d"</span>).<span class="ident">unwrap</span>().<span class="ident">to_string</span>().<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">k_date</span> <span class="op">=</span> <span class="ident">hmac</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">hmac_pkey</span> <span class="op">=</span> <span class="ident">PKey</span>::<span class="ident">hmac</span>(<span class="kw-2">&</span><span class="ident">k_date</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hmac</span> <span class="op">=</span> <span class="ident">Signer</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="kw-2">&</span><span class="ident">hmac_pkey</span>).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">write_all</span>(<span class="ident">region</span>.<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">k_region</span> <span class="op">=</span> <span class="ident">hmac</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">hmac_pkey</span> <span class="op">=</span> <span class="ident">PKey</span>::<span class="ident">hmac</span>(<span class="kw-2">&</span><span class="ident">k_region</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hmac</span> <span class="op">=</span> <span class="ident">Signer</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="kw-2">&</span><span class="ident">hmac_pkey</span>).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">write_all</span>(<span class="ident">service</span>.<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">k_service</span> <span class="op">=</span> <span class="ident">hmac</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">hmac_pkey</span> <span class="op">=</span> <span class="ident">PKey</span>::<span class="ident">hmac</span>(<span class="kw-2">&</span><span class="ident">k_service</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hmac</span> <span class="op">=</span> <span class="ident">Signer</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="kw-2">&</span><span class="ident">hmac_pkey</span>).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">write_all</span>(<span class="string">b"aws4_request"</span>).<span class="ident">unwrap</span>();
<span class="ident">hmac</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>()
}
<span class="doccomment">/// Mark string as AWS4-HMAC-SHA256 hashed</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">string_to_sign_v4</span>(<span class="ident">date</span>: <span class="ident">Tm</span>, <span class="ident">hashed_canonical_request</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">scope</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="macro">format</span><span class="macro">!</span>(<span class="string">"AWS4-HMAC-SHA256\n{}\n{}\n{}"</span>,
<span class="ident">date</span>.<span class="ident">strftime</span>(<span class="string">"%Y%m%dT%H%M%SZ"</span>).<span class="ident">unwrap</span>(),
<span class="ident">scope</span>,
<span class="ident">hashed_canonical_request</span>)
}
<span class="kw">fn</span> <span class="ident">canonical_headers</span>(<span class="ident">headers</span>: <span class="kw-2">&</span><span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">>></span><span class="op">></span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">canonical</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="ident">headers</span>.<span class="ident">iter</span>() {
<span class="kw">if</span> <span class="ident">skipped_headers</span>(<span class="ident">item</span>.<span class="number">0</span>) {
<span class="kw">continue</span>;
}
<span class="ident">canonical</span>.<span class="ident">push_str</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}:{}\n"</span>, <span class="ident">item</span>.<span class="number">0</span>.<span class="ident">to_ascii_lowercase</span>(), <span class="ident">canonical_values</span>(<span class="ident">item</span>.<span class="number">1</span>)).<span class="ident">as_ref</span>());
}
<span class="ident">canonical</span>
}
<span class="kw">fn</span> <span class="ident">canonical_values</span>(<span class="ident">values</span>: <span class="kw-2">&</span>[<span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>]) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">st</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">for</span> <span class="ident">v</span> <span class="kw">in</span> <span class="ident">values</span> {
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">str</span>::<span class="ident">from_utf8</span>(<span class="ident">v</span>).<span class="ident">unwrap</span>();
<span class="kw">if</span> <span class="op">!</span><span class="ident">st</span>.<span class="ident">is_empty</span>() {
<span class="ident">st</span>.<span class="ident">push</span>(<span class="string">','</span>)
}
<span class="kw">if</span> <span class="ident">s</span>.<span class="ident">starts_with</span>(<span class="string">'\"'</span>) {
<span class="ident">st</span>.<span class="ident">push_str</span>(<span class="ident">s</span>);
} <span class="kw">else</span> {
<span class="ident">st</span>.<span class="ident">push_str</span>(<span class="ident">s</span>.<span class="ident">replace</span>(<span class="string">" "</span>, <span class="string">" "</span>).<span class="ident">trim</span>());
}
}
<span class="ident">st</span>
}
<span class="kw">fn</span> <span class="ident">canonical_uri</span>(<span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">match</span> <span class="ident">path</span> {
<span class="string">""</span> <span class="op">=></span> <span class="string">"/"</span>.<span class="ident">to_string</span>(),
_ <span class="op">=></span> <span class="ident">encode_uri</span>(<span class="ident">path</span>),
}
}
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span>
<span class="kw">fn</span> <span class="ident">canonical_resources</span>(<span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">match</span> <span class="ident">path</span> {
<span class="string">""</span> <span class="op">=></span> <span class="string">"/"</span>.<span class="ident">to_string</span>(),
_ <span class="op">=></span> <span class="ident">encode_uri</span>(<span class="ident">path</span>),
}
}
<span class="comment">// V4 Signature related - End</span>
<span class="comment">// Common to V2 and V4 - Begin</span>
<span class="kw">fn</span> <span class="ident">signed_headers</span>(<span class="ident">headers</span>: <span class="kw-2">&</span><span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">>></span><span class="op">></span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">signed</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">for</span> (<span class="ident">key</span>, _) <span class="kw">in</span> <span class="ident">headers</span>.<span class="ident">iter</span>() {
<span class="kw">if</span> <span class="op">!</span><span class="ident">signed</span>.<span class="ident">is_empty</span>() {
<span class="ident">signed</span>.<span class="ident">push</span>(<span class="string">';'</span>)
}
<span class="kw">if</span> <span class="ident">skipped_headers</span>(<span class="ident">key</span>) {
<span class="kw">continue</span>;
}
<span class="ident">signed</span>.<span class="ident">push_str</span>(<span class="kw-2">&</span><span class="ident">key</span>.<span class="ident">to_ascii_lowercase</span>());
}
<span class="ident">signed</span>
}
<span class="comment">// NOTE: Don't add user-agent since it's part of the signature calc for V4</span>
<span class="kw">fn</span> <span class="ident">skipped_headers</span>(<span class="ident">header</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">bool</span> {
[<span class="string">"authorization"</span>, <span class="string">"content-length"</span>, <span class="string">"content-type"</span>].<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">header</span>)
}
<span class="kw">fn</span> <span class="ident">build_canonical_query_string</span>(<span class="ident">params</span>: <span class="kw-2">&</span><span class="ident">Params</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">if</span> <span class="ident">params</span>.<span class="ident">is_empty</span>() {
<span class="kw">return</span> <span class="ident">String</span>::<span class="ident">new</span>();
}
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">output</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="ident">params</span>.<span class="ident">iter</span>() {
<span class="kw">if</span> <span class="op">!</span><span class="ident">output</span>.<span class="ident">is_empty</span>() {
<span class="ident">output</span>.<span class="ident">push_str</span>(<span class="string">"&"</span>);
}
<span class="ident">output</span>.<span class="ident">push_str</span>(<span class="kw-2">&</span><span class="ident">byte_serialize</span>(<span class="ident">item</span>.<span class="number">0</span>));
<span class="ident">output</span>.<span class="ident">push_str</span>(<span class="string">"="</span>);
<span class="ident">output</span>.<span class="ident">push_str</span>(<span class="kw-2">&</span><span class="ident">byte_serialize</span>(<span class="ident">item</span>.<span class="number">1</span>));
}
<span class="ident">output</span>
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">encode_uri</span>(<span class="ident">uri</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="ident">utf8_percent_encode</span>(<span class="ident">uri</span>, <span class="ident">QUERY_ENCODE_SET</span>).<span class="ident">collect</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>()
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">byte_serialize</span>(<span class="ident">input</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="ident">utf8_percent_encode</span>(<span class="ident">input</span>, <span class="ident">DEFAULT_ENCODE_SET</span>).<span class="ident">collect</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>()
}
<span class="kw">fn</span> <span class="ident">to_hexdigest_from_string</span>(<span class="ident">val</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="ident">h</span> <span class="op">=</span> <span class="ident">hash2</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="ident">val</span>.<span class="ident">as_bytes</span>()).<span class="ident">unwrap</span>();
<span class="ident">h</span>.<span class="ident">to_hex</span>().<span class="ident">to_string</span>()
}
<span class="kw">fn</span> <span class="ident">to_hexdigest_from_bytes</span>(<span class="ident">val</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="ident">h</span> <span class="op">=</span> <span class="ident">hash2</span>(<span class="ident">MessageDigest</span>::<span class="ident">sha256</span>(), <span class="ident">val</span>).<span class="ident">unwrap</span>();
<span class="ident">h</span>.<span class="ident">to_hex</span>().<span class="ident">to_string</span>()
}
<span class="comment">// NOTE: Used to build a hostname from a set of defaults. Use set_hostname is preferred.</span>
<span class="kw">fn</span> <span class="ident">build_hostname</span>(<span class="ident">service</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">region</span>: <span class="ident">Region</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="comment">// iam has only 1 endpoint, other services have region-based endpoints</span>
<span class="kw">match</span> <span class="ident">service</span> {
<span class="string">"iam"</span> <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">region</span> {
<span class="ident">Region</span>::<span class="ident">CnNorth1</span> <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}.{}.amazonaws.com.cn"</span>, <span class="ident">service</span>, <span class="ident">region</span>),
_ <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}.amazonaws.com"</span>, <span class="ident">service</span>),
}
},
<span class="string">"s3"</span> <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">region</span> {
<span class="ident">Region</span>::<span class="ident">UsEast1</span> <span class="op">=></span> <span class="string">"s3.amazonaws.com"</span>.<span class="ident">to_string</span>(),
<span class="ident">Region</span>::<span class="ident">CnNorth1</span> <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"s3.{}.amazonaws.com.cn"</span>, <span class="ident">region</span>),
_ <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"s3-{}.amazonaws.com"</span>, <span class="ident">region</span>),
}
},
_ <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">region</span> {
<span class="ident">Region</span>::<span class="ident">CnNorth1</span> <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}.{}.amazonaws.com.cn"</span>, <span class="ident">service</span>, <span class="ident">region</span>),
_ <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}.{}.amazonaws.com"</span>, <span class="ident">service</span>, <span class="ident">region</span>),
}
},
}
}
<span class="comment">// Common to V2 and V4 - End</span>
<span class="comment">// V2 Signature related - Begin</span>
<span class="kw">fn</span> <span class="ident">canonical_headers_v2</span>(<span class="ident">headers</span>: <span class="kw-2">&</span><span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">>></span><span class="op">></span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">canonical</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="comment">// NOTE: May need to add to vec, sort and then do the following for x-amz-</span>
<span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="ident">headers</span>.<span class="ident">iter</span>() {
<span class="kw">if</span> <span class="ident">skipped_headers</span>(<span class="ident">item</span>.<span class="number">0</span>) {
<span class="kw">continue</span>;
} <span class="kw">else</span> {
<span class="kw">match</span> <span class="ident">item</span>.<span class="number">0</span>.<span class="ident">to_ascii_lowercase</span>().<span class="ident">find</span>(<span class="string">"x-amz-"</span>) {
<span class="prelude-val">None</span> <span class="op">=></span> {},
_ <span class="op">=></span> <span class="ident">canonical</span>.<span class="ident">push_str</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}:{}\n"</span>,
<span class="ident">item</span>.<span class="number">0</span>.<span class="ident">to_ascii_lowercase</span>(),
<span class="ident">canonical_values</span>(<span class="ident">item</span>.<span class="number">1</span>))
.<span class="ident">as_ref</span>()),
};
}
}
<span class="ident">canonical</span>
}
<span class="comment">// NOTE: If bucket contains '.' it is already formatted in path so just encode it.</span>
<span class="kw">fn</span> <span class="ident">canonical_resources_v2</span>(<span class="ident">bucket</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">is_bucket_virtual</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">String</span> {
<span class="kw">if</span> <span class="ident">bucket</span>.<span class="ident">to_string</span>().<span class="ident">contains</span>(<span class="string">"."</span>) <span class="op">||</span> <span class="op">!</span><span class="ident">is_bucket_virtual</span> {
<span class="ident">encode_uri</span>(<span class="ident">path</span>)
} <span class="kw">else</span> {
<span class="kw">match</span> <span class="ident">bucket</span> {
<span class="string">""</span> <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">path</span> {
<span class="string">""</span> <span class="op">=></span> <span class="string">"/"</span>.<span class="ident">to_string</span>(),
_ <span class="op">=></span> <span class="ident">encode_uri</span>(<span class="ident">path</span>), <span class="comment">// This assumes / as leading char</span>
}
},
_ <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">path</span> {
<span class="string">""</span> <span class="op">=></span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"/{}/"</span>, <span class="ident">bucket</span>),
_ <span class="op">=></span> <span class="ident">encode_uri</span>(<span class="kw-2">&</span><span class="macro">format</span><span class="macro">!</span>(<span class="string">"/{}{}"</span>, <span class="ident">bucket</span>, <span class="ident">path</span>)), <span class="comment">// This assumes path with leading / char</span>
}
},
}
}
}
<span class="comment">// V2 Signature related - End</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="kw">use</span> <span class="ident">region</span>::<span class="ident">Region</span>;
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">SignedRequest</span>;
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw">super</span>::<span class="ident">ProfileProvider</span>;
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw">super</span>::<span class="ident">credential</span>::<span class="ident">ProvideAwsCredentials</span>;
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">get_hostname_none_present</span>() {
<span class="kw">let</span> <span class="ident">request</span> <span class="op">=</span> <span class="ident">SignedRequest</span>::<span class="ident">new</span>(<span class="string">"POST"</span>, <span class="string">"sqs"</span>, <span class="ident">Region</span>::<span class="ident">UsEast1</span>, <span class="string">"/"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"sqs.us-east-1.amazonaws.com"</span>, <span class="ident">request</span>.<span class="ident">hostname</span>());
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">get_hostname_happy_path</span>() {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">request</span> <span class="op">=</span> <span class="ident">SignedRequest</span>::<span class="ident">new</span>(<span class="string">"POST"</span>, <span class="string">"sqs"</span>, <span class="ident">Region</span>::<span class="ident">UsEast1</span>, <span class="string">"/"</span>);
<span class="ident">request</span>.<span class="ident">set_hostname</span>(<span class="prelude-val">Some</span>(<span class="string">"test-hostname"</span>.<span class="ident">to_string</span>()));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"test-hostname"</span>, <span class="ident">request</span>.<span class="ident">hostname</span>());
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">path_percent_encoded</span>() {
<span class="kw">let</span> <span class="ident">provider</span> <span class="op">=</span> <span class="ident">ProfileProvider</span>::<span class="ident">with_configuration</span>(<span class="string">"tests/sample-data/multiple_profile_credentials"</span>, <span class="string">"foo"</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">request</span> <span class="op">=</span> <span class="ident">SignedRequest</span>::<span class="ident">new</span>(<span class="string">"GET"</span>, <span class="string">"s3"</span>, <span class="ident">Region</span>::<span class="ident">UsEast1</span>, <span class="string">"/path with spaces"</span>);
<span class="ident">request</span>.<span class="ident">sign</span>(<span class="ident">provider</span>.<span class="ident">credentials</span>().<span class="ident">as_ref</span>().<span class="ident">unwrap</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"/path%20with%20spaces"</span>, <span class="ident">request</span>.<span class="ident">canonical_uri</span>());
}
}
</pre>
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