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<li><a href="#2-configure">2. Configure</a></li>
<li><a href="#1-install-postgres-if-you-dont-have-it-already">1. Install postgres if you don’t have it already.</a></li>
<li><a href="#2-create-new-user-for-running-mcaptcha">2. Create new user for running <code>mcaptcha</code></a></li>
<li><a href="#3-create-new-user-in-postgres">3. Create new user in Postgres</a></li>
<li><a href="#4-install-and-load-mcaptchacachehttpsgithubcommcaptchacache-module">4. Install and load <a href="https://github.com/mCaptcha/cache"><code>mCaptcha/cache</code></a> module:</a></li>
<li><a href="#4-build-mcaptcha">4. Build <code>mcaptcha</code></a></li>
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<li><a href="#how-to-build">How to build</a>
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<li><a href="#5-install-package">5. Install package:</a></li>
<li><a href="#6-systemd-service-configuration">6. Systemd service configuration:</a></li>
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<h1>Deploy bare metal</h1>
<p class="lead">Bare metal deployment is tedious, most of this will be automated with a script in the future.</p>
<h3 id="2-configure">2. Configure<a href="#2-configure" class="anchor" aria-hidden="true">#</a> </h3>
<p>mcaptcha is highly configurable.</p>
<p>Configuration is applied/merged in the following order:</p>
<ol>
<li>path to configuration file passed in via <code>MCAPTCHA_CONFIG</code></li>
<li><code>./config/default.toml</code></li>
<li><code>/etc/mcaptcha/config.toml</code></li>
<li>environment variables.</li>
</ol>
<h3 id="1-install-postgres-if-you-dont-have-it-already">1. Install postgres if you don’t have it already.<a href="#1-install-postgres-if-you-dont-have-it-already" class="anchor" aria-hidden="true">#</a> </h3>
<p>For Debian based distributions:</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>sudo apt install postgres
</span></span></code></pre></div><h3 id="2-create-new-user-for-running-mcaptcha">2. Create new user for running <code>mcaptcha</code><a href="#2-create-new-user-for-running-mcaptcha" class="anchor" aria-hidden="true">#</a> </h3>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>$ sudo useradd -b /srv -m -s /usr/bin/zsh mcaptcha
</span></span></code></pre></div><h3 id="3-create-new-user-in-postgres">3. Create new user in Postgres<a href="#3-create-new-user-in-postgres" class="anchor" aria-hidden="true">#</a> </h3>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>$ sudo -iu postgres <span style="color:#6272a4"># switch to `postgres` user</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2</span><span>$ psql
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3</span><span><span style="color:#8be9fd;font-style:italic">postgres</span><span style="color:#ff79c6">=</span><span style="color:#6272a4"># CREATE USER mcaptcha WITH PASSWORD 'my super long password and yes you need single quote`;</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4</span><span>$ createdb -O mcaptcha mcaptcha <span style="color:#6272a4"># create db 'mcaptcha' with 'mcaptcha' as owner</span>
</span></span></code></pre></div><h3 id="4-install-and-load-mcaptchacachehttpsgithubcommcaptchacache-module">4. Install and load <a href="https://github.com/mCaptcha/cache"><code>mCaptcha/cache</code></a> module:<a href="#4-install-and-load-mcaptchacachehttpsgithubcommcaptchacache-module" class="anchor" aria-hidden="true">#</a> </h3>
<p>See <a href="https://github.com/mCaptcha/cache"><code>mCaptcha/cache</code></a> for more
details.</p>
<h3 id="4-build-mcaptcha">4. Build <code>mcaptcha</code><a href="#4-build-mcaptcha" class="anchor" aria-hidden="true">#</a> </h3>
<p>To build <code>mcaptcha</code>, you need the following dependencies:</p>
<ol>
<li>rust</li>
<li>node(<code>v14.16.0</code>)</li>
<li>yarn(JavaScript package manager)</li>
<li>make</li>
</ol>
<h2 id="how-to-build">How to build<a href="#how-to-build" class="anchor" aria-hidden="true">#</a> </h2>
<ol>
<li>Install Cargo using <a href="https://rustup.rs/">rustup</a> with:</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>$ curl --proto <span style="color:#f1fa8c">'=https'</span> --tlsv1.2 -sSf https://sh.rustup.rs | sh
</span></span></code></pre></div><ol start="2">
<li>
<p>Install node(<code>v14.16.0</code>)</p>
</li>
<li>
<p>Install yarn(JavaScript package manager)</p>
</li>
<li>
<p>Build with make:</p>
</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>$ make dev-env <span style="color:#ff79c6">&&</span> <span style="color:#f1fa8c">\
</span></span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2</span><span><span style="color:#f1fa8c"></span> make release
</span></span></code></pre></div><h3 id="5-install-package">5. Install package:<a href="#5-install-package" class="anchor" aria-hidden="true">#</a> </h3>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>$ sudo cp ./target/release/mcaptcha /usr/bin/ <span style="color:#ff79c6">&&</span> <span style="color:#f1fa8c">\
</span></span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2</span><span><span style="color:#f1fa8c"></span> mkdir sudo /etc/mcaptcha <span style="color:#ff79c6">&&</span> <span style="color:#f1fa8c">\
</span></span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3</span><span><span style="color:#f1fa8c"></span> sudo cp config/default.toml /etc/mcaptcha/config.toml
</span></span></code></pre></div><h3 id="6-systemd-service-configuration">6. Systemd service configuration:<a href="#6-systemd-service-configuration" class="anchor" aria-hidden="true">#</a> </h3>
<ol>
<li>Copy the following to <code>/etc/systemd/system/mcaptcha.service</code>:</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-systemd" data-lang="systemd"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 1</span><span><span style="color:#ff79c6">[Unit]</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 2</span><span><span style="color:#50fa7b">Description</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">mCaptcha: a CAPTCHA system that gives attackers a run for their money</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 3</span><span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 4</span><span><span style="color:#ff79c6">[Service]</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 5</span><span><span style="color:#50fa7b">Type</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">simple</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 6</span><span><span style="color:#50fa7b">User</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">mcaptcha</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 7</span><span><span style="color:#50fa7b">ExecStart</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">/usr/bin/mcaptcha</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 8</span><span><span style="color:#50fa7b">Restart</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">on-failure</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 9</span><span><span style="color:#50fa7b">RestartSec</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">1</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">10</span><span><span style="color:#50fa7b">SuccessExitStatus</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">3 4</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">11</span><span><span style="color:#50fa7b">RestartForceExitStatus</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">3 4</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">12</span><span><span style="color:#50fa7b">SystemCallArchitectures</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">native</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">13</span><span><span style="color:#50fa7b">MemoryDenyWriteExecute</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">true</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">14</span><span><span style="color:#50fa7b">NoNewPrivileges</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">true</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">15</span><span><span style="color:#50fa7b">Environment</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">"RUST_LOG=info"</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">16</span><span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">17</span><span><span style="color:#ff79c6">[Unit]</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">18</span><span><span style="color:#50fa7b">After</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">sound.target</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">19</span><span><span style="color:#50fa7b">Wants</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">network-online.target</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">20</span><span><span style="color:#50fa7b">Wants</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">network-online.target</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">21</span><span><span style="color:#50fa7b">Requires</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">postgresql.service</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">22</span><span><span style="color:#50fa7b">After</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">syslog.target</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">23</span><span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">24</span><span><span style="color:#ff79c6">[Install]</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">25</span><span><span style="color:#50fa7b">WantedBy</span><span style="color:#ff79c6">=</span><span style="color:#f1fa8c">multi-user.target</span>
</span></span></code></pre></div><ol start="2">
<li>Enable service:</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1</span><span>$ sudo systemctl daemon-reload <span style="color:#ff79c6">&&</span> <span style="color:#f1fa8c">\
</span></span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2</span><span><span style="color:#f1fa8c"></span> sudo systemctl <span style="color:#8be9fd;font-style:italic">enable</span> mcaptcha <span style="color:#ff79c6">&&</span> <span style="color:#f1fa8c">\ </span><span style="color:#6272a4"># Auto startup during boot</span>
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3</span><span> sudo systemctl start mcaptcha
</span></span><span style="display:flex;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4</span><span><span style="color:#f1fa8c">``</span>
</span></span></code></pre></div>
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