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</pre><div class="example-wrap"><pre class="rust ">
<span class="comment">/*
* Copyright (C) 2021 Aravinth Manivannan &lt;realaravinth@batsense.net&gt;
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see &lt;https://www.gnu.org/licenses/&gt;.
*/</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">convert</span>::<span class="ident">From</span>;
<span class="kw">use</span> <span class="ident">actix_web</span>::{
<span class="ident">client</span>::<span class="ident">SendRequestError</span>,
<span class="ident">dev</span>::<span class="ident">HttpResponseBuilder</span>,
<span class="ident">error</span>::<span class="ident">ResponseError</span>,
<span class="ident">http</span>::{<span class="ident">header</span>, <span class="ident">StatusCode</span>},
<span class="ident">HttpResponse</span>,
};
<span class="kw">use</span> <span class="ident">argon2_creds</span>::<span class="ident">errors</span>::<span class="ident">CredsError</span>;
<span class="comment">//use awc::error::SendRequestError;</span>
<span class="kw">use</span> <span class="ident">derive_more</span>::{<span class="ident">Display</span>, <span class="ident">Error</span>};
<span class="kw">use</span> <span class="ident">log</span>::<span class="ident">debug</span>;
<span class="kw">use</span> <span class="ident">m_captcha</span>::<span class="ident">errors</span>::<span class="ident">CaptchaError</span>;
<span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>};
<span class="kw">use</span> <span class="ident">url</span>::<span class="ident">ParseError</span>;
<span class="kw">use</span> <span class="ident">validator</span>::<span class="ident">ValidationErrors</span>;
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Display</span>, <span class="ident">Clone</span>, <span class="ident">PartialEq</span>, <span class="ident">Error</span>)]</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ServiceError</span> {
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;internal server error&quot;</span>)]</span>
<span class="ident">InternalServerError</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;The value you entered for email is not an email&quot;</span>)]</span> <span class="comment">//405j</span>
<span class="ident">NotAnEmail</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;The value you entered for URL is not a URL&quot;</span>)]</span> <span class="comment">//405j</span>
<span class="ident">NotAUrl</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Wrong password&quot;</span>)]</span>
<span class="ident">WrongPassword</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Username not found&quot;</span>)]</span>
<span class="ident">UsernameNotFound</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Authorization required&quot;</span>)]</span>
<span class="ident">AuthorizationRequired</span>,
<span class="doccomment">/// when the value passed contains profainity</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Can&#39;t allow profanity in usernames&quot;</span>)]</span>
<span class="ident">ProfainityError</span>,
<span class="doccomment">/// when the value passed contains blacklisted words</span>
<span class="doccomment">/// see [blacklist](https://github.com/shuttlecraft/The-Big-Username-Blacklist)</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Username contains blacklisted words&quot;</span>)]</span>
<span class="ident">BlacklistError</span>,
<span class="doccomment">/// when the value passed contains characters not present</span>
<span class="doccomment">/// in [UsernameCaseMapped](https://tools.ietf.org/html/rfc8265#page-7)</span>
<span class="doccomment">/// profile</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;username_case_mapped violation&quot;</span>)]</span>
<span class="ident">UsernameCaseMappedError</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Passsword too short&quot;</span>)]</span>
<span class="ident">PasswordTooShort</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Username too long&quot;</span>)]</span>
<span class="ident">PasswordTooLong</span>,
<span class="doccomment">/// when the a username is already taken</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Username not available&quot;</span>)]</span>
<span class="ident">UsernameTaken</span>,
<span class="doccomment">/// when the a token name is already taken</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;token name not available&quot;</span>)]</span>
<span class="ident">TokenNameTaken</span>,
<span class="doccomment">/// when the a host name is already taken</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;host name not available&quot;</span>)]</span>
<span class="ident">HostnameTaken</span>,
<span class="doccomment">/// token not found</span>
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Token not found. Is token registered?&quot;</span>)]</span>
<span class="ident">TokenNotFound</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;{}&quot;</span>, <span class="ident">_0</span>)]</span>
<span class="ident">CaptchaError</span>(<span class="ident">CaptchaError</span>),
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Couldn&#39;t reach your server. If Problem presists, contact support&quot;</span>)]</span>
<span class="ident">ClientServerUnreachable</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Couldn&#39;t parse challenge from your server. Check for courruption&quot;</span>)]</span>
<span class="ident">ChallengeCourruption</span>,
<span class="attribute">#[<span class="ident">display</span>(<span class="ident">fmt</span> <span class="op">=</span> <span class="string">&quot;Verification failure, vaules didn&#39;t match&quot;</span>)]</span>
<span class="ident">ChallengeVerificationFailure</span>,
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ErrorToResponse</span> {
<span class="kw">pub</span> <span class="ident">error</span>: <span class="ident">String</span>,
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponseBuilder</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">status_code</span>())
.<span class="ident">set_header</span>(<span class="ident">header</span>::<span class="ident">CONTENT_TYPE</span>, <span class="string">&quot;application/json; charset=UTF-8&quot;</span>)
.<span class="ident">json</span>(<span class="ident">ErrorToResponse</span> {
<span class="ident">error</span>: <span class="self">self</span>.<span class="ident">to_string</span>(),
})
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">fn</span> <span class="ident">status_code</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">StatusCode</span> {
<span class="kw">match</span> <span class="self">self</span> {
<span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>,
<span class="ident">ServiceError</span>::<span class="ident">NotAnEmail</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">NotAUrl</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">WrongPassword</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">UNAUTHORIZED</span>,
<span class="ident">ServiceError</span>::<span class="ident">UsernameNotFound</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>,
<span class="ident">ServiceError</span>::<span class="ident">AuthorizationRequired</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">UNAUTHORIZED</span>,
<span class="ident">ServiceError</span>::<span class="ident">ProfainityError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">BlacklistError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">UsernameCaseMappedError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">PasswordTooShort</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">PasswordTooLong</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">UsernameTaken</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">TokenNameTaken</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">TokenNotFound</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>,
<span class="ident">ServiceError</span>::<span class="ident">HostnameTaken</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">ClientServerUnreachable</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">SERVICE_UNAVAILABLE</span>,
<span class="ident">ServiceError</span>::<span class="ident">ChallengeCourruption</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
<span class="ident">ServiceError</span>::<span class="ident">ChallengeVerificationFailure</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">UNAUTHORIZED</span>,
<span class="ident">ServiceError</span>::<span class="ident">CaptchaError</span>(<span class="ident">e</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">e</span> {
<span class="ident">CaptchaError</span>::<span class="ident">MailboxError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>,
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>,
},
}
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op">&lt;</span><span class="ident">CredsError</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">e</span>: <span class="ident">CredsError</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceError</span> {
<span class="macro">debug</span><span class="macro">!</span>(<span class="string">&quot;{:?}&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">e</span>);
<span class="kw">match</span> <span class="ident">e</span> {
<span class="ident">CredsError</span>::<span class="ident">UsernameCaseMappedError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">UsernameCaseMappedError</span>,
<span class="ident">CredsError</span>::<span class="ident">ProfainityError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">ProfainityError</span>,
<span class="ident">CredsError</span>::<span class="ident">BlacklistError</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">BlacklistError</span>,
<span class="ident">CredsError</span>::<span class="ident">NotAnEmail</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">NotAnEmail</span>,
<span class="ident">CredsError</span>::<span class="ident">Argon2Error</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>,
<span class="ident">CredsError</span>::<span class="ident">PasswordTooLong</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">PasswordTooLong</span>,
<span class="ident">CredsError</span>::<span class="ident">PasswordTooShort</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">PasswordTooShort</span>,
}
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op">&lt;</span><span class="ident">ValidationErrors</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="kw">_</span>: <span class="ident">ValidationErrors</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceError</span> {
<span class="ident">ServiceError</span>::<span class="ident">NotAnEmail</span>
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op">&lt;</span><span class="ident">SendRequestError</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">e</span>: <span class="ident">SendRequestError</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceError</span> {
<span class="macro">debug</span><span class="macro">!</span>(<span class="string">&quot;{:?}&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">e</span>);
<span class="kw">match</span> <span class="ident">e</span> {
<span class="ident">SendRequestError</span>::<span class="ident">Url</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">NotAUrl</span>,
<span class="ident">SendRequestError</span>::<span class="ident">Send</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>,
<span class="ident">SendRequestError</span>::<span class="ident">Response</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>,
<span class="ident">SendRequestError</span>::<span class="ident">Body</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>,
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">ServiceError</span>::<span class="ident">ClientServerUnreachable</span>,
}
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op">&lt;</span><span class="ident">ParseError</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="kw">_</span>: <span class="ident">ParseError</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceError</span> {
<span class="ident">ServiceError</span>::<span class="ident">NotAUrl</span>
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op">&lt;</span><span class="ident">CaptchaError</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">e</span>: <span class="ident">CaptchaError</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceError</span> {
<span class="ident">ServiceError</span>::<span class="ident">CaptchaError</span>(<span class="ident">e</span>)
}
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">impl</span> <span class="ident">From</span><span class="op">&lt;</span><span class="ident">sqlx</span>::<span class="ident">Error</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="ident">ServiceError</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">e</span>: <span class="ident">sqlx</span>::<span class="ident">Error</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="self">Self</span> {
<span class="kw">use</span> <span class="ident">sqlx</span>::<span class="ident">error</span>::<span class="ident">Error</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">borrow</span>::<span class="ident">Cow</span>;
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{:?}&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">e</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Error</span>::<span class="ident">Database</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">e</span> {
<span class="kw">if</span> <span class="ident">err</span>.<span class="ident">code</span>() <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Cow</span>::<span class="ident">from</span>(<span class="string">&quot;23505&quot;</span>)) {
<span class="kw">return</span> <span class="ident">ServiceError</span>::<span class="ident">UsernameTaken</span>;
}
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{:?}&quot;</span>, <span class="kw-2">&amp;</span><span class="ident">err</span>.<span class="ident">code</span>());
}
<span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">dup_error</span>(<span class="ident">e</span>: <span class="ident">sqlx</span>::<span class="ident">Error</span>, <span class="ident">dup_error</span>: <span class="ident">ServiceError</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceError</span> {
<span class="kw">use</span> <span class="ident">sqlx</span>::<span class="ident">error</span>::<span class="ident">Error</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">borrow</span>::<span class="ident">Cow</span>;
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Error</span>::<span class="ident">Database</span>(<span class="ident">err</span>) <span class="op">=</span> <span class="ident">e</span> {
<span class="kw">if</span> <span class="ident">err</span>.<span class="ident">code</span>() <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Cow</span>::<span class="ident">from</span>(<span class="string">&quot;23505&quot;</span>)) {
<span class="ident">dup_error</span>
} <span class="kw">else</span> {
<span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>
}
} <span class="kw">else</span> {
<span class="ident">ServiceError</span>::<span class="ident">InternalServerError</span>
}
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">ServiceResult</span><span class="op">&lt;</span><span class="ident">V</span><span class="op">&gt;</span> <span class="op">=</span> <span class="ident">std</span>::<span class="ident">result</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="ident">V</span>, <span class="ident">ServiceError</span><span class="op">&gt;</span>;
</pre></div>
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