Onionr/docs/html/onionr/httpapi/miscpublicapi/announce.html

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<header>
<h1 class="title">Module <code>onionr.httpapi.miscpublicapi.announce</code></h1>
</header>
<section id="section-intro">
<p>Onionr - Private P2P Communication</p>
<p>Handle announcements to the public API server</p>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">&#39;&#39;&#39;
Onionr - Private P2P Communication
Handle announcements to the public API server
&#39;&#39;&#39;
&#39;&#39;&#39;
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see &lt;https://www.gnu.org/licenses/&gt;.
&#39;&#39;&#39;
import base64
from flask import Response, g
import deadsimplekv
import logger
from etc import onionrvalues
from onionrutils import stringvalidators, bytesconverter
from utils import gettransports
import onionrcrypto as crypto, filepaths
from communicator import OnionrCommunicatorDaemon
def handle_announce(request):
&#39;&#39;&#39;
accept announcement posts, validating POW
clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request
&#39;&#39;&#39;
resp = &#39;failure&#39;
powHash = &#39;&#39;
randomData = &#39;&#39;
newNode = &#39;&#39;
try:
newNode = request.form[&#39;node&#39;].encode()
except KeyError:
logger.warn(&#39;No node specified for upload&#39;)
pass
else:
try:
randomData = request.form[&#39;random&#39;]
randomData = base64.b64decode(randomData)
except KeyError:
logger.warn(&#39;No random data specified for upload&#39;)
else:
nodes = newNode + bytesconverter.str_to_bytes(gettransports.get()[0])
nodes = crypto.hashers.blake2b_hash(nodes)
powHash = crypto.hashers.blake2b_hash(randomData + nodes)
try:
powHash = powHash.decode()
except AttributeError:
pass
if powHash.startswith(&#39;0&#39; * onionrvalues.ANNOUNCE_POW):
newNode = bytesconverter.bytes_to_str(newNode)
announce_queue = deadsimplekv.DeadSimpleKV(filepaths.announce_cache)
announce_queue_list = announce_queue.get(&#39;new_peers&#39;)
if announce_queue_list is None:
announce_queue_list = []
if stringvalidators.validate_transport(newNode) and not newNode in announce_queue_list:
#clientAPI.onionrInst.communicatorInst.newPeers.append(newNode)
g.shared_state.get(OnionrCommunicatorDaemon).newPeers.append(newNode)
announce_queue.put(&#39;new_peers&#39;, announce_queue_list.append(newNode))
announce_queue.flush()
resp = &#39;Success&#39;
else:
logger.warn(newNode.decode() + &#39; failed to meet POW: &#39; + powHash)
resp = Response(resp)
if resp == &#39;failure&#39;:
return resp, 406
return resp</code></pre>
</details>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-functions">Functions</h2>
<dl>
<dt id="onionr.httpapi.miscpublicapi.announce.handle_announce"><code class="name flex">
<span>def <span class="ident">handle_announce</span></span>(<span>request)</span>
</code></dt>
<dd>
<section class="desc"><p>accept announcement posts, validating POW
clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def handle_announce(request):
&#39;&#39;&#39;
accept announcement posts, validating POW
clientAPI should be an instance of the clientAPI server running, request is a instance of a flask request
&#39;&#39;&#39;
resp = &#39;failure&#39;
powHash = &#39;&#39;
randomData = &#39;&#39;
newNode = &#39;&#39;
try:
newNode = request.form[&#39;node&#39;].encode()
except KeyError:
logger.warn(&#39;No node specified for upload&#39;)
pass
else:
try:
randomData = request.form[&#39;random&#39;]
randomData = base64.b64decode(randomData)
except KeyError:
logger.warn(&#39;No random data specified for upload&#39;)
else:
nodes = newNode + bytesconverter.str_to_bytes(gettransports.get()[0])
nodes = crypto.hashers.blake2b_hash(nodes)
powHash = crypto.hashers.blake2b_hash(randomData + nodes)
try:
powHash = powHash.decode()
except AttributeError:
pass
if powHash.startswith(&#39;0&#39; * onionrvalues.ANNOUNCE_POW):
newNode = bytesconverter.bytes_to_str(newNode)
announce_queue = deadsimplekv.DeadSimpleKV(filepaths.announce_cache)
announce_queue_list = announce_queue.get(&#39;new_peers&#39;)
if announce_queue_list is None:
announce_queue_list = []
if stringvalidators.validate_transport(newNode) and not newNode in announce_queue_list:
#clientAPI.onionrInst.communicatorInst.newPeers.append(newNode)
g.shared_state.get(OnionrCommunicatorDaemon).newPeers.append(newNode)
announce_queue.put(&#39;new_peers&#39;, announce_queue_list.append(newNode))
announce_queue.flush()
resp = &#39;Success&#39;
else:
logger.warn(newNode.decode() + &#39; failed to meet POW: &#39; + powHash)
resp = Response(resp)
if resp == &#39;failure&#39;:
return resp, 406
return resp</code></pre>
</details>
</dd>
</dl>
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<section>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="onionr.httpapi.miscpublicapi" href="index.html">onionr.httpapi.miscpublicapi</a></code></li>
</ul>
</li>
<li><h3><a href="#header-functions">Functions</a></h3>
<ul class="">
<li><code><a title="onionr.httpapi.miscpublicapi.announce.handle_announce" href="#onionr.httpapi.miscpublicapi.announce.handle_announce">handle_announce</a></code></li>
</ul>
</li>
</ul>
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