Kevin Froman
3 years ago
10 changed files with 189 additions and 95 deletions
@ -0,0 +1,6 @@
|
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from . import announce, upload, getblocks |
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announce = announce.handle_announce # endpoint handler for accepting peer announcements |
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upload = upload.accept_upload # endpoint handler for accepting public uploads |
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public_block_list = getblocks.get_public_block_list # endpoint handler for getting block lists |
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public_get_block_data = getblocks.get_block_data # endpoint handler for responding to peers requests for block data |
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@ -0,0 +1,63 @@
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''' |
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Onionr - P2P Microblogging Platform & Social network |
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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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|
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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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|
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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 |
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import logger |
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from etc import onionrvalues |
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def handle_announce(clientAPI, 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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ourAdder = clientAPI._core.hsAddress.encode() |
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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 + clientAPI._core.hsAddress.encode() |
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nodes = clientAPI._core._crypto.blake2bHash(nodes) |
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powHash = clientAPI._core._crypto.blake2bHash(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.OnionrValues().announce_pow): |
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newNode = clientAPI._core._utils.bytesToStr(newNode) |
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if clientAPI._core._utils.validateID(newNode) and not newNode in clientAPI._core.onionrInst.communicatorInst.newPeers: |
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clientAPI._core.onionrInst.communicatorInst.newPeers.append(newNode) |
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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 |
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@ -0,0 +1,50 @@
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''' |
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Onionr - P2P Microblogging Platform & Social network |
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Public endpoints to get block data and lists |
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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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|
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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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|
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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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from flask import Response, abort |
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import config |
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def get_public_block_list(clientAPI, publicAPI, request): |
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# Provide a list of our blocks, with a date offset |
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dateAdjust = request.args.get('date') |
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bList = clientAPI._core.getBlockList(dateRec=dateAdjust) |
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if config.get('general.hide_created_blocks', True): |
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for b in publicAPI.hideBlocks: |
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if b in bList: |
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# Don't share blocks we created if they haven't been *uploaded* yet, makes it harder to find who created a block |
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bList.remove(b) |
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return Response('\n'.join(bList)) |
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|
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def get_block_data(clientAPI, publicAPI, data): |
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'''data is the block hash in hex''' |
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resp = '' |
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if clientAPI._utils.validateHash(data): |
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if not config.get('general.hide_created_blocks', True) or data not in publicAPI.hideBlocks: |
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if data in clientAPI._core.getBlockList(): |
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block = clientAPI.getBlockData(data, raw=True) |
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try: |
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block = block.encode() # Encode in case data is binary |
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except AttributeError: |
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abort(404) |
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block = clientAPI._core._utils.strToBytes(block) |
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resp = block |
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if len(resp) == 0: |
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abort(404) |
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resp = "" |
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# Has to be octet stream, otherwise binary data fails hash check |
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return Response(resp, mimetype='application/octet-stream') |
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@ -0,0 +1,43 @@
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''' |
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Onionr - P2P Microblogging Platform & Social network |
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Accept block uploads 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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|
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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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|
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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 sys |
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from flask import Response, abort |
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import blockimporter, onionrexceptions, logger |
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def accept_upload(clientAPI, request): |
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resp = 'failure' |
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try: |
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data = request.form['block'] |
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except KeyError: |
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logger.warn('No block specified for upload') |
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pass |
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else: |
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if sys.getsizeof(data) < 100000000: |
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try: |
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if blockimporter.importBlockFromData(data, clientAPI._core): |
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resp = 'success' |
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else: |
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logger.warn('Error encountered importing uploaded block') |
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except onionrexceptions.BlacklistedBlock: |
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logger.debug('uploaded block is blacklisted') |
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pass |
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if resp == 'failure': |
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abort(400) |
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resp = Response(resp) |
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return resp |
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