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<title>onionr.httpapi.miscpublicapi.announce API documentation</title>
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<style>.flex{display:flex !important}body{line-height:1.5em}#content{padding:20px}#sidebar{padding:30px;overflow:hidden}.http-server-breadcrumbs{font-size:130%;margin:0 0 15px 0}#footer{font-size:.75em;padding:5px 30px;border-top:1px solid #ddd;text-align:right}#footer p{margin:0 0 0 1em;display:inline-block}#footer p:last-child{margin-right:30px}h1,h2,h3,h4,h5{font-weight:300}h1{font-size:2.5em;line-height:1.1em}h2{font-size:1.75em;margin:1em 0 .50em 0}h3{font-size:1.4em;margin:25px 0 10px 0}h4{margin:0;font-size:105%}a{color:#058;text-decoration:none;transition:color .3s ease-in-out}a:hover{color:#e82}.title code{font-weight:bold}h2[id^="header-"]{margin-top:2em}.ident{color:#900}pre code{background:#f8f8f8;font-size:.8em;line-height:1.4em}code{background:#f2f2f1;padding:1px 4px;overflow-wrap:break-word}h1 code{background:transparent}pre{background:#f8f8f8;border:0;border-top:1px solid #ccc;border-bottom:1px solid #ccc;margin:1em 0;padding:1ex}#http-server-module-list{display:flex;flex-flow:column}#http-server-module-list div{display:flex}#http-server-module-list dt{min-width:10%}#http-server-module-list p{margin-top:0}.toc ul,#index{list-style-type:none;margin:0;padding:0}#index code{background:transparent}#index h3{border-bottom:1px solid #ddd}#index ul{padding:0}#index h4{font-weight:bold}#index h4 + ul{margin-bottom:.6em}@media (min-width:200ex){#index .two-column{column-count:2}}@media (min-width:300ex){#index .two-column{column-count:3}}dl{margin-bottom:2em}dl dl:last-child{margin-bottom:4em}dd{margin:0 0 1em 3em}#header-classes + dl > dd{margin-bottom:3em}dd dd{margin-left:2em}dd p{margin:10px 0}.name{background:#eee;font-weight:bold;font-size:.85em;padding:5px 10px;display:inline-block;min-width:40%}.name:hover{background:#e0e0e0}.name > span:first-child{white-space:nowrap}.name.class > span:nth-child(2){margin-left:.4em}.inherited{color:#999;border-left:5px solid #eee;padding-left:1em}.inheritance em{font-style:normal;font-weight:bold}.desc h2{font-weight:400;font-size:1.25em}.desc h3{font-size:1em}.desc dt code{background:inherit}.source summary{color:#666;text-align:right;font-weight:400;font-size:.8em;text-transform:uppercase;cursor:pointer}.source pre{max-height:500px;overflow:auto;margin:0}.source pre code{font-size:12px;overflow:visible}.hlist{list-style:none}.hlist li{display:inline}.hlist li:after{content:',\2002'}.hlist li:last-child:after{content:none}.hlist .hlist{display:inline;padding-left:1em}img{max-width:100%}.admonition{padding:.1em .5em;margin-bottom:1em}.admonition-title{font-weight:bold}.admonition.note,.admonition.info,.admonition.important{background:#aef}.admonition.todo,.admonition.versionadded,.admonition.tip,.admonition.hint{background:#dfd}.admonition.warning,.admonition.versionchanged,.admonition.deprecated{background:#fd4}.admonition.error,.admonition.danger,.admonition.caution{background:lightpink}</style>
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<style media="print">@media print{#sidebar h1{page-break-before:always}.source{display:none}}@media print{*{background:transparent !important;color:#000 !important;box-shadow:none !important;text-shadow:none !important}a[href]:after{content:" (" attr(href) ")";font-size:90%}a[href][title]:after{content:none}abbr[title]:after{content:" (" attr(title) ")"}.ir a:after,a[href^="javascript:"]:after,a[href^="#"]:after{content:""}pre,blockquote{border:1px solid #999;page-break-inside:avoid}thead{display:table-header-group}tr,img{page-break-inside:avoid}img{max-width:100% !important}@page{margin:0.5cm}p,h2,h3{orphans:3;widows:3}h1,h2,h3,h4,h5,h6{page-break-after:avoid}}</style>
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<body>
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<main>
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<article id="content">
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<header>
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<h1 class="title">Module <code>onionr.httpapi.miscpublicapi.announce</code></h1>
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</header>
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<section id="section-intro">
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<p>Onionr - Private P2P Communication</p>
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<p>Handle announcements to the public API server</p>
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<details class="source">
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<summary>Source code</summary>
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<pre><code class="python">'''
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Onionr - Private P2P Communication
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Handle announcements to the public API server
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'''
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'''
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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import base64
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from flask import Response, g
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import deadsimplekv
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import logger
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from etc import onionrvalues
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from onionrutils import stringvalidators, bytesconverter
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from utils import gettransports
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import onionrcrypto as crypto, filepaths
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from communicator import OnionrCommunicatorDaemon
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def handle_announce(request):
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'''
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accept announcement posts, validating POW
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clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request
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'''
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resp = 'failure'
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powHash = ''
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randomData = ''
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newNode = ''
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try:
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newNode = request.form['node'].encode()
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except KeyError:
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logger.warn('No node specified for upload')
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pass
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else:
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try:
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randomData = request.form['random']
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randomData = base64.b64decode(randomData)
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except KeyError:
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logger.warn('No random data specified for upload')
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else:
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nodes = newNode + bytesconverter.str_to_bytes(gettransports.get()[0])
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nodes = crypto.hashers.blake2b_hash(nodes)
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powHash = crypto.hashers.blake2b_hash(randomData + nodes)
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try:
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powHash = powHash.decode()
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except AttributeError:
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pass
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if powHash.startswith('0' * onionrvalues.ANNOUNCE_POW):
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newNode = bytesconverter.bytes_to_str(newNode)
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announce_queue = deadsimplekv.DeadSimpleKV(filepaths.announce_cache)
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announce_queue_list = announce_queue.get('new_peers')
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if announce_queue_list is None:
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announce_queue_list = []
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if stringvalidators.validate_transport(newNode) and not newNode in announce_queue_list:
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#clientAPI.onionrInst.communicatorInst.newPeers.append(newNode)
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g.shared_state.get(OnionrCommunicatorDaemon).newPeers.append(newNode)
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announce_queue.put('new_peers', announce_queue_list.append(newNode))
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announce_queue.flush()
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resp = 'Success'
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else:
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logger.warn(newNode.decode() + ' failed to meet POW: ' + powHash)
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resp = Response(resp)
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if resp == 'failure':
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return resp, 406
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return resp</code></pre>
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</details>
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</section>
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<section>
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</section>
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<section>
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</section>
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<section>
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<h2 class="section-title" id="header-functions">Functions</h2>
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<dl>
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<dt id="onionr.httpapi.miscpublicapi.announce.handle_announce"><code class="name flex">
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<span>def <span class="ident">handle_announce</span></span>(<span>request)</span>
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</code></dt>
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<dd>
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<section class="desc"><p>accept announcement posts, validating POW
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clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request</p></section>
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<details class="source">
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<summary>Source code</summary>
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<pre><code class="python">def handle_announce(request):
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'''
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accept announcement posts, validating POW
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clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request
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'''
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resp = 'failure'
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powHash = ''
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randomData = ''
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newNode = ''
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try:
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newNode = request.form['node'].encode()
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except KeyError:
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logger.warn('No node specified for upload')
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pass
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else:
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try:
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randomData = request.form['random']
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randomData = base64.b64decode(randomData)
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except KeyError:
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logger.warn('No random data specified for upload')
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else:
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nodes = newNode + bytesconverter.str_to_bytes(gettransports.get()[0])
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nodes = crypto.hashers.blake2b_hash(nodes)
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powHash = crypto.hashers.blake2b_hash(randomData + nodes)
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try:
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powHash = powHash.decode()
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except AttributeError:
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pass
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if powHash.startswith('0' * onionrvalues.ANNOUNCE_POW):
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newNode = bytesconverter.bytes_to_str(newNode)
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announce_queue = deadsimplekv.DeadSimpleKV(filepaths.announce_cache)
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announce_queue_list = announce_queue.get('new_peers')
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if announce_queue_list is None:
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announce_queue_list = []
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if stringvalidators.validate_transport(newNode) and not newNode in announce_queue_list:
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#clientAPI.onionrInst.communicatorInst.newPeers.append(newNode)
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g.shared_state.get(OnionrCommunicatorDaemon).newPeers.append(newNode)
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announce_queue.put('new_peers', announce_queue_list.append(newNode))
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announce_queue.flush()
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resp = 'Success'
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else:
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logger.warn(newNode.decode() + ' failed to meet POW: ' + powHash)
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resp = Response(resp)
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if resp == 'failure':
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return resp, 406
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return resp</code></pre>
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</details>
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</dd>
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</dl>
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</section>
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<section>
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</section>
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</article>
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<nav id="sidebar">
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<h1>Index</h1>
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<div class="toc">
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<ul></ul>
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</div>
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<ul id="index">
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<li><h3>Super-module</h3>
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<ul>
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<li><code><a title="onionr.httpapi.miscpublicapi" href="index.html">onionr.httpapi.miscpublicapi</a></code></li>
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</ul>
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</li>
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<li><h3><a href="#header-functions">Functions</a></h3>
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<ul class="">
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<li><code><a title="onionr.httpapi.miscpublicapi.announce.handle_announce" href="#onionr.httpapi.miscpublicapi.announce.handle_announce">handle_announce</a></code></li>
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</ul>
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</li>
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</ul>
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