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cic-staff-client/docs/compodoc/interfaces/Signer.html

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<!doctype html>
<html class="no-js" lang="">
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<title>CICADA</title>
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<a href="../" class="navbar-brand">CICADA</a>
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<!-- START CONTENT -->
<div class="content interface">
<div class="content-data">
<ol class="breadcrumb">
<li>Interfaces</li>
<li>Signer</li>
</ol>
<ul class="nav nav-tabs" role="tablist">
<li class="active">
<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
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<a href="#source" role="tab" id="source-tab" data-toggle="tab" data-link="source">Source</a>
</li>
</ul>
<div class="tab-content">
<div class="tab-pane fade active in" id="c-info">
<p class="comment">
<h3>File</h3>
</p>
<p class="comment">
<code>src/app/_pgp/pgp-signer.ts</code>
</p>
<section>
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
<tbody>
<tr>
<td class="col-md-4">
<h6><b>Methods</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<a href="#fingerprint">fingerprint</a>
</li>
<li>
<a href="#onsign">onsign</a>
</li>
<li>
<a href="#onverify">onverify</a>
</li>
<li>
<a href="#prepare">prepare</a>
</li>
<li>
<a href="#sign">sign</a>
</li>
<li>
<a href="#verify">verify</a>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="methods">
Methods
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="fingerprint"></a>
<span class="name">
<b>
fingerprint
</b>
<a href="#fingerprint"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>fingerprint()</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="20"
class="link-to-prism">src/app/_pgp/pgp-signer.ts:20</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Returns : </b> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="onsign"></a>
<span class="name">
<b>
onsign
</b>
<a href="#onsign"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>onsign(signature: <a href="../interfaces/Signature.html">Signature</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="18"
class="link-to-prism">src/app/_pgp/pgp-signer.ts:18</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>signature</td>
<td>
<code><a href="../interfaces/Signature.html" target="_self" >Signature</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="onverify"></a>
<span class="name">
<b>
onverify
</b>
<a href="#onverify"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>onverify(flag: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank">boolean</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="19"
class="link-to-prism">src/app/_pgp/pgp-signer.ts:19</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>flag</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="prepare"></a>
<span class="name">
<b>
prepare
</b>
<a href="#prepare"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>prepare(material: <a href="../interfaces/Signable.html">Signable</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="21"
class="link-to-prism">src/app/_pgp/pgp-signer.ts:21</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>material</td>
<td>
<code><a href="../interfaces/Signable.html" target="_self" >Signable</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="sign"></a>
<span class="name">
<b>
sign
</b>
<a href="#sign"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>sign(digest: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="23"
class="link-to-prism">src/app/_pgp/pgp-signer.ts:23</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>digest</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code>Promise&lt;void&gt;</code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="verify"></a>
<span class="name">
<b>
verify
</b>
<a href="#verify"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>verify(digest: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, signature: <a href="../interfaces/Signature.html">Signature</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="22"
class="link-to-prism">src/app/_pgp/pgp-signer.ts:22</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>digest</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>signature</td>
<td>
<code><a href="../interfaces/Signature.html" target="_self" >Signature</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
</section>
</div>
<div class="tab-pane fade tab-source-code" id="c-source">
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { MutableKeyStore } from &#x27;@app/_pgp/pgp-key-store&#x27;;
import { LoggingService } from &#x27;@app/_services/logging.service&#x27;;
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const openpgp &#x3D; require(&#x27;openpgp&#x27;);
interface Signable {
digest(): string;
}
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interface Signature {
engine: string;
algo: string;
data: string;
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digest: string;
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}
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interface Signer {
onsign(signature: Signature): void;
onverify(flag: boolean): void;
fingerprint(): string;
prepare(material: Signable): boolean;
verify(digest: string, signature: Signature): void;
sign(digest: string): Promise&lt;void&gt;;
}
class PGPSigner implements Signer {
engine &#x3D; &#x27;pgp&#x27;;
algo &#x3D; &#x27;sha256&#x27;;
dgst: string;
signature: Signature;
keyStore: MutableKeyStore;
onsign: (signature: Signature) &#x3D;&gt; void;
onverify: (flag: boolean) &#x3D;&gt; void;
loggingService: LoggingService;
constructor(keyStore: MutableKeyStore) {
this.keyStore &#x3D; keyStore;
this.onsign &#x3D; (signature: Signature) &#x3D;&gt; {};
this.onverify &#x3D; (flag: boolean) &#x3D;&gt; {};
}
public fingerprint(): string {
return this.keyStore.getFingerprint();
}
public prepare(material: Signable): boolean {
this.dgst &#x3D; material.digest();
return true;
}
public verify(digest: string, signature: Signature): void {
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openpgp.signature
.readArmored(signature.data)
.then((sig) &#x3D;&gt; {
const opts &#x3D; {
message: openpgp.cleartext.fromText(digest),
publicKeys: this.keyStore.getTrustedKeys(),
signature: sig,
};
openpgp.verify(opts).then((v) &#x3D;&gt; {
let i &#x3D; 0;
for (i &#x3D; 0; i &lt; v.signatures.length; i++) {
const s &#x3D; v.signatures[i];
if (s.valid) {
this.onverify(s);
return;
}
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}
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this.loggingService.sendErrorLevelMessage(
&#x60;Checked ${i} signature(s) but none valid&#x60;,
this,
{ error: &#x27;404 Not found!&#x27; }
);
this.onverify(false);
});
})
.catch((e) &#x3D;&gt; {
this.loggingService.sendErrorLevelMessage(e.message, this, { error: e });
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this.onverify(false);
});
}
public async sign(digest: string): Promise&lt;void&gt; {
const m &#x3D; openpgp.cleartext.fromText(digest);
const pk &#x3D; this.keyStore.getPrivateKey();
if (!pk.isDecrypted()) {
const password &#x3D; window.prompt(&#x27;password&#x27;);
await pk.decrypt(password);
}
const opts &#x3D; {
message: m,
privateKeys: [pk],
detached: true,
};
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openpgp
.sign(opts)
.then((s) &#x3D;&gt; {
this.signature &#x3D; {
engine: this.engine,
algo: this.algo,
data: s.signature,
// TODO: fix for browser later
digest,
};
this.onsign(this.signature);
})
.catch((e) &#x3D;&gt; {
this.loggingService.sendErrorLevelMessage(e.message, this, { error: e });
this.onsign(undefined);
});
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}
}
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export { Signable, Signature, Signer, PGPSigner };
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</code></pre>
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