547 lines
20 KiB
Python
547 lines
20 KiB
Python
'''
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Onionr - P2P Microblogging Platform & Social network.
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This plugin acts as a plugin manager, and allows the user to install other plugins distributed over Onionr.
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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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# useful libraries
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import logger, config
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import os, sys, json, time, random, shutil, base64, getpass, datetime, re
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from onionrblockapi import Block
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plugin_name = 'pluginmanager'
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keys_data = {'keys' : {}, 'plugins' : [], 'repositories' : {}}
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# key functions
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def writeKeys():
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'''
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Serializes and writes the keystore in memory to file
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'''
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file = open(keys_file, 'w')
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file.write(json.dumps(keys_data, indent=4, sort_keys=True))
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file.close()
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def readKeys():
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'''
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Loads the keystore into memory
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'''
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global keys_data
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keys_data = json.loads(open(keys_file).read())
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return keys_data
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def getKey(plugin):
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'''
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Returns the public key for a given plugin
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'''
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global keys_data
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readKeys()
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return (keys_data['keys'][plugin] if plugin in keys_data['keys'] else None)
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def saveKey(plugin, key):
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'''
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Saves the public key for a plugin to keystore
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'''
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global keys_data
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readKeys()
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keys_data['keys'][plugin] = key
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writeKeys()
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def getPlugins():
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'''
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Returns a list of plugins installed by the plugin manager
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'''
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global keys_data
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readKeys()
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return keys_data['plugins']
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def addPlugin(plugin):
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'''
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Saves the plugin name, to remember that it was installed by the pluginmanager
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'''
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global keys_data
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readKeys()
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if not plugin in keys_data['plugins']:
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keys_data['plugins'].append(plugin)
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writeKeys()
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def removePlugin(plugin):
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'''
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Removes the plugin name from the pluginmanager's records
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'''
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global keys_data
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readKeys()
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if plugin in keys_data['plugins']:
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keys_data['plugins'].remove(plugin)
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writeKeys()
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def getRepositories():
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'''
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Returns a list of plugins installed by the plugin manager
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'''
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global keys_data
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readKeys()
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return keys_data['repositories']
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def addRepository(repositories, data):
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'''
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Saves the plugin name, to remember that it was installed by the pluginmanager
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'''
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global keys_data
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readKeys()
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keys_data['repositories'][repositories] = data
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writeKeys()
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def removeRepository(repositories):
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'''
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Removes the plugin name from the pluginmanager's records
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'''
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global keys_data
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readKeys()
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if plugin in keys_data['repositories']:
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del keys_data['repositories'][repositories]
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writeKeys()
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def check():
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'''
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Checks to make sure the keystore file still exists
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'''
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global keys_file
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keys_file = pluginapi.plugins.get_data_folder(plugin_name) + 'keystore.json'
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if not os.path.isfile(keys_file):
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writeKeys()
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# plugin management
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def sanitize(name):
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return re.sub('[^0-9a-zA-Z]+', '', str(name).lower())[:255]
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def blockToPlugin(block):
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try:
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block = Block(block)
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blockContent = json.loads(block.getContent())
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name = sanitize(blockContent['name'])
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author = blockContent['author']
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date = blockContent['date']
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version = None
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if 'version' in blockContent['info']:
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version = blockContent['info']['version']
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content = base64.b64decode(blockContent['content'].encode())
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source = pluginapi.plugins.get_data_folder(plugin_name) + 'plugin.zip'
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destination = pluginapi.plugins.get_folder(name)
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with open(source, 'wb') as f:
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f.write(content)
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if os.path.exists(destination) and not os.path.isfile(destination):
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shutil.rmtree(destination)
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shutil.unpack_archive(source, destination)
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pluginapi.plugins.enable(name)
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logger.info('Installation of %s complete.' % name)
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return True
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except Exception as e:
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logger.error('Failed to install plugin.', error = e, timestamp = False)
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return False
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def pluginToBlock(plugin, import_block = True):
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try:
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plugin = sanitize(plugin)
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directory = pluginapi.get_pluginapi().get_folder(plugin)
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data_directory = pluginapi.get_pluginapi().get_data_folder(plugin)
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zipfile = pluginapi.get_pluginapi().get_data_folder(plugin_name) + 'plugin.zip'
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if os.path.exists(directory) and not os.path.isfile(directory):
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if os.path.exists(data_directory) and not os.path.isfile(data_directory):
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shutil.rmtree(data_directory)
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if os.path.exists(zipfile) and os.path.isfile(zipfile):
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os.remove(zipfile)
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if os.path.exists(directory + '__pycache__') and not os.path.isfile(directory + '__pycache__'):
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shutil.rmtree(directory + '__pycache__')
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shutil.make_archive(zipfile[:-4], 'zip', directory)
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data = base64.b64encode(open(zipfile, 'rb').read())
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author = getpass.getuser()
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description = 'Default plugin description'
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info = {"name" : plugin}
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try:
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if os.path.exists(directory + 'info.json'):
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info = json.loads(open(directory + 'info.json').read())
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if 'author' in info:
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author = info['author']
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if 'description' in info:
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description = info['description']
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except:
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pass
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metadata = {'author' : author, 'date' : str(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')), 'name' : plugin, 'info' : info, 'compiled-by' : plugin_name, 'content' : data.decode('utf-8'), 'description' : description}
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hash = pluginapi.get_core().insertBlock(json.dumps(metadata), header = 'plugin', sign = True)
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if import_block:
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pluginapi.get_utils().importNewBlocks()
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return hash
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else:
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logger.error('Plugin %s does not exist.' % plugin)
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except Exception as e:
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logger.error('Failed to convert plugin to block.', error = e, timestamp = False)
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return False
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def installBlock(block):
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try:
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block = Block(block)
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blockContent = json.loads(block.getContent())
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name = sanitize(blockContent['name'])
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author = blockContent['author']
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date = blockContent['date']
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version = None
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if 'version' in blockContent['info']:
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version = blockContent['info']['version']
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install = False
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logger.info(('Will install %s' + (' v' + version if not version is None else '') + ' (%s), by %s') % (name, date, author))
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# TODO: Convert to single line if statement
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if os.path.exists(pluginapi.plugins.get_folder(name)):
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install = logger.confirm(message = 'Continue with installation (will overwrite existing plugin) %s?')
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else:
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install = logger.confirm(message = 'Continue with installation %s?')
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if install:
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blockToPlugin(block.getHash())
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addPlugin(name)
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else:
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logger.info('Installation cancelled.')
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return False
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return True
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except Exception as e:
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logger.error('Failed to install plugin.', error = e, timestamp = False)
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return False
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def uninstallPlugin(plugin):
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try:
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plugin = sanitize(plugin)
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pluginFolder = pluginapi.plugins.get_folder(plugin)
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exists = (os.path.exists(pluginFolder) and not os.path.isfile(pluginFolder))
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installedByPluginManager = plugin in getPlugins()
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remove = False
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if not exists:
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logger.warn('Plugin %s does not exist.' % plugin, timestamp = False)
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return False
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default = 'y'
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if not installedByPluginManager:
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logger.warn('The plugin %s was not installed by %s.' % (plugin, plugin_name), timestamp = False)
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default = 'n'
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remove = logger.confirm(message = 'All plugin data will be lost. Are you sure you want to proceed %s?', default = default)
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if remove:
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if installedByPluginManager:
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removePlugin(plugin)
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pluginapi.plugins.disable(plugin)
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shutil.rmtree(pluginFolder)
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logger.info('Uninstallation of %s complete.' % plugin)
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return True
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else:
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logger.info('Uninstallation cancelled.')
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except Exception as e:
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logger.error('Failed to uninstall plugin.', error = e)
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return False
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# command handlers
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def help():
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' <plugin> [public key/block hash]')
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' <plugin> [public key/block hash]')
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def commandInstallPlugin():
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if len(sys.argv) >= 3:
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check()
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pluginname = sys.argv[2]
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pkobh = None # public key or block hash
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version = None
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if ':' in pluginname:
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details = pluginname
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pluginname = sanitize(details[0])
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version = details[1]
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sanitize(pluginname)
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if len(sys.argv) >= 4:
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# public key or block hash specified
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pkobh = sys.argv[3]
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else:
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# none specified, check if in config file
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pkobh = getKey(pluginname)
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if pkobh is None:
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# still nothing found, try searching repositories
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logger.info('Searching for public key in repositories...')
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try:
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repos = getRepositories()
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distributors = list()
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for repo, records in repos.items():
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if pluginname in records:
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logger.debug('Found %s in repository %s for plugin %s.' % (records[pluginname], repo, pluginname))
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distributors.append(records[pluginname])
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if len(distributors) != 0:
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distributor = None
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if len(distributors) == 1:
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logger.info('Found distributor: %s' % distributors[0])
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distributor = distributors[0]
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else:
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distributors_message = ''
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index = 1
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for dist in distributors:
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distributors_message += ' ' + logger.colors.bold + str(index) + ') ' + logger.colors.reset + str(dist) + '\n'
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index += 1
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logger.info((logger.colors.bold + 'Found distributors (%s):' + logger.colors.reset + '\n' + distributors_message) % len(distributors))
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valid = False
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while not valid:
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choice = logger.readline('Select the number of the key to use, from 1 to %s, or press Ctrl+C to cancel:' % (index - 1))
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try:
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if int(choice) < index and int(choice) >= 1:
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distributor = distributors[int(choice)]
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valid = True
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except KeyboardInterrupt:
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logger.info('Installation cancelled.')
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return True
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except:
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pass
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if not distributor is None:
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pkobh = distributor
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except Exception as e:
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logger.warn('Failed to lookup plugin in repositories.', timestamp = False)
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logger.error('asdf', error = e, timestamp = False)
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if pkobh is None:
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logger.error('No key for this plugin found in keystore or repositories, please specify.')
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help()
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return True
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valid_hash = pluginapi.get_utils().validateHash(pkobh)
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real_block = False
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valid_key = pluginapi.get_utils().validatePubKey(pkobh)
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real_key = False
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if valid_hash:
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real_block = Block.exists(pkobh)
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elif valid_key:
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real_key = pluginapi.get_utils().hasKey(pkobh)
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blockhash = None
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if valid_hash and not real_block:
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logger.error('Block hash not found. Perhaps it has not been synced yet?')
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logger.debug('Is valid hash, but does not belong to a known block.')
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return True
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elif valid_hash and real_block:
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blockhash = str(pkobh)
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logger.debug('Using block %s...' % blockhash)
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installBlock(blockhash)
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elif valid_key and not real_key:
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logger.error('Public key not found. Try adding the node by address manually, if possible.')
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logger.debug('Is valid key, but the key is not a known one.')
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elif valid_key and real_key:
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publickey = str(pkobh)
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logger.debug('Using public key %s...' % publickey)
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saveKey(pluginname, pkobh)
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signedBlocks = Block.getBlocks(type = 'plugin', signed = True, signer = publickey)
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mostRecentTimestamp = None
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mostRecentVersionBlock = None
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for block in signedBlocks:
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try:
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blockContent = json.loads(block.getContent())
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if not (('author' in blockContent) and ('info' in blockContent) and ('date' in blockContent) and ('name' in blockContent)):
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raise ValueError('Missing required parameter `date` in block %s.' % block.getHash())
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blockDatetime = datetime.datetime.strptime(blockContent['date'], '%Y-%m-%d %H:%M:%S')
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if blockContent['name'] == pluginname:
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if ('version' in blockContent['info']) and (blockContent['info']['version'] == version) and (not version is None):
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mostRecentTimestamp = blockDatetime
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mostRecentVersionBlock = block.getHash()
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break
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elif mostRecentTimestamp is None:
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mostRecentTimestamp = blockDatetime
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mostRecentVersionBlock = block.getHash()
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elif blockDatetime > mostRecentTimestamp:
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mostRecentTimestamp = blockDatetime
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mostRecentVersionBlock = block.getHash()
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except Exception as e:
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pass
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logger.warn('Only continue the installation is you are absolutely certain that you trust the plugin distributor. Public key of plugin distributor: %s' % publickey, timestamp = False)
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installBlock(mostRecentVersionBlock)
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else:
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logger.error('Unknown data "%s"; must be public key or block hash.' % str(pkobh))
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return
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else:
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' <plugin> [public key/block hash]')
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return True
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def commandUninstallPlugin():
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if len(sys.argv) >= 3:
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uninstallPlugin(sys.argv[2])
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else:
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' <plugin>')
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return True
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def commandSearchPlugin():
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logger.info('This feature has not been created yet. Please check back later.')
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return True
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def commandAddRepository():
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if len(sys.argv) >= 3:
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check()
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blockhash = sys.argv[2]
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if pluginapi.get_utils().validateHash(blockhash):
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if Block.exists(blockhash):
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try:
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blockContent = json.loads(Block(blockhash).getContent())
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pluginslist = dict()
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for pluginname, distributor in blockContent['plugins'].items():
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if pluginapi.get_utils().validatePubKey(distributor):
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pluginslist[pluginname] = distributor
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logger.debug('Found %s records in repository.' % len(pluginslist))
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if len(pluginslist) != 0:
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addRepository(blockhash, pluginslist)
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logger.info('Successfully added repository.')
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else:
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logger.error('Repository contains no records, not importing.')
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except Exception as e:
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logger.error('Failed to parse block.', error = e)
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else:
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logger.error('Block hash not found. Perhaps it has not been synced yet?')
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logger.debug('Is valid hash, but does not belong to a known block.')
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else:
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logger.error('Unknown data "%s"; must be block hash.' % str(pkobh))
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else:
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' [block hash]')
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return True
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def commandRemoveRepository():
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if len(sys.argv) >= 3:
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check()
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blockhash = sys.argv[2]
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if pluginapi.get_utils().validateHash(blockhash):
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if blockhash in getRepositories():
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try:
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removeRepository(blockhash)
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except Exception as e:
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logger.error('Failed to parse block.', error = e)
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else:
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logger.error('Repository has not been imported, nothing to remove.')
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else:
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logger.error('Unknown data "%s"; must be block hash.' % str(pkobh))
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else:
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' [block hash]')
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return True
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def commandPublishPlugin():
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if len(sys.argv) >= 3:
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check()
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pluginname = sanitize(sys.argv[2])
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pluginfolder = pluginapi.plugins.get_folder(pluginname)
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if os.path.exists(pluginfolder) and not os.path.isfile(pluginfolder):
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block = pluginToBlock(pluginname)
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logger.info('Plugin saved in block %s.' % block)
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else:
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logger.error('Plugin %s does not exist.' % pluginname, timestamp = False)
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else:
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logger.info(sys.argv[0] + ' ' + sys.argv[1] + ' <plugin>')
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# event listeners
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def on_init(api, data = None):
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global pluginapi
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pluginapi = api
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check()
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# register some commands
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api.commands.register(['install-plugin', 'installplugin', 'plugin-install', 'install', 'plugininstall'], commandInstallPlugin)
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api.commands.register(['remove-plugin', 'removeplugin', 'plugin-remove', 'uninstall-plugin', 'uninstallplugin', 'plugin-uninstall', 'uninstall', 'remove', 'pluginremove'], commandUninstallPlugin)
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api.commands.register(['search', 'filter-plugins', 'search-plugins', 'searchplugins', 'search-plugin', 'searchplugin', 'findplugin', 'find-plugin', 'filterplugin', 'plugin-search', 'pluginsearch'], commandSearchPlugin)
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api.commands.register(['add-repo', 'add-repository', 'addrepo', 'addrepository', 'repository-add', 'repo-add', 'repoadd', 'addrepository', 'add-plugin-repository', 'add-plugin-repo', 'add-pluginrepo', 'add-pluginrepository', 'addpluginrepo', 'addpluginrepository'], commandAddRepository)
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api.commands.register(['remove-repo', 'remove-repository', 'removerepo', 'removerepository', 'repository-remove', 'repo-remove', 'reporemove', 'removerepository', 'remove-plugin-repository', 'remove-plugin-repo', 'remove-pluginrepo', 'remove-pluginrepository', 'removepluginrepo', 'removepluginrepository', 'rm-repo', 'rm-repository', 'rmrepo', 'rmrepository', 'repository-rm', 'repo-rm', 'reporm', 'rmrepository', 'rm-plugin-repository', 'rm-plugin-repo', 'rm-pluginrepo', 'rm-pluginrepository', 'rmpluginrepo', 'rmpluginrepository'], commandRemoveRepository)
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api.commands.register(['publish-plugin', 'plugin-publish', 'publishplugin', 'pluginpublish', 'publish'], commandPublishPlugin)
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# add help menus once the features are actually implemented
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return
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