Onionr/onionr/onionrcommands/filecommands.py

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'''
Onionr - Private P2P Communication
This file handles the commands for adding and getting files from the Onionr network
'''
'''
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 <https://www.gnu.org/licenses/>.
'''
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import base64, sys, os
import logger
from onionrblockapi import Block
from onionrutils import stringvalidators
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from onionrblocks import insert
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def add_file(o_inst, singleBlock=False, blockType='bin'):
'''
Adds a file to the onionr network
'''
if len(sys.argv) >= 3:
filename = sys.argv[2]
contents = None
if not os.path.exists(filename):
logger.error('That file does not exist. Improper path (specify full path)?', terminal=True)
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return
logger.info('Adding file... this might take a long time.', terminal=True)
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try:
with open(filename, 'rb') as singleFile:
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blockhash = insert.insert_block(base64.b64encode(singleFile.read()), header=blockType)
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if len(blockhash) > 0:
logger.info('File %s saved in block %s' % (filename, blockhash), terminal=True)
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except:
logger.error('Failed to save file in block.', timestamp = False, terminal=True)
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else:
logger.error('%s add-file <filename>' % sys.argv[0], timestamp = False, terminal=True)
def getFile(o_inst):
'''
Get a file from onionr blocks
'''
try:
fileName = sys.argv[2]
bHash = sys.argv[3]
except IndexError:
logger.error("Syntax %s %s" % (sys.argv[0], '/path/to/filename <blockhash>'), terminal=True)
else:
logger.info(fileName, terminal=True)
contents = None
if os.path.exists(fileName):
logger.error("File already exists", terminal=True)
return
if not stringvalidators.validate_hash(bHash):
logger.error('Block hash is invalid', terminal=True)
return
with open(fileName, 'wb') as myFile:
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myFile.write(base64.b64decode(Block(bHash).bcontent))
return