forked from indymedia/epicyon
234 lines
8.4 KiB
Python
234 lines
8.4 KiB
Python
__filename__ = "session.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.1.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@freedombone.net"
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__status__ = "Production"
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import os
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import requests
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from utils import urlPermitted
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import json
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from socket import error as SocketError
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import errno
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baseDirectory = None
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def createSession(proxyType: str):
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session = None
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try:
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session = requests.session()
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except requests.exceptions.RequestException as e:
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print('WARN: requests error during createSession')
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print(e)
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return None
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except SocketError as e:
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if e.errno == errno.ECONNRESET:
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print('WARN: connection was reset during createSession')
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else:
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print('WARN: socket error during createSession')
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print(e)
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return None
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except ValueError as e:
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print('WARN: error during createSession')
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print(e)
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return None
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if not session:
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return None
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if proxyType == 'tor':
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session.proxies = {}
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session.proxies['http'] = 'socks5h://localhost:9050'
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session.proxies['https'] = 'socks5h://localhost:9050'
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elif proxyType == 'i2p':
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session.proxies = {}
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session.proxies['http'] = 'socks5h://localhost:4447'
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session.proxies['https'] = 'socks5h://localhost:4447'
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elif proxyType == 'gnunet':
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session.proxies = {}
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session.proxies['http'] = 'socks5h://localhost:7777'
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session.proxies['https'] = 'socks5h://localhost:7777'
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# print('New session created with proxy ' + str(proxyType))
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return session
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def getJson(session, url: str, headers: {}, params: {},
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version='1.0.0', httpPrefix='https',
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domain='testdomain') -> {}:
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if not isinstance(url, str):
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print('url: ' + str(url))
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print('ERROR: getJson url should be a string')
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return None
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sessionParams = {}
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sessionHeaders = {}
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if headers:
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sessionHeaders = headers
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if params:
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sessionParams = params
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sessionHeaders['User-Agent'] = 'Epicyon/' + version
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if domain:
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sessionHeaders['User-Agent'] += \
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'; +' + httpPrefix + '://' + domain + '/'
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if not session:
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print('WARN: no session specified for getJson')
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try:
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result = session.get(url, headers=sessionHeaders, params=sessionParams)
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return result.json()
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except requests.exceptions.RequestException as e:
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print('ERROR: getJson failed\nurl: ' + str(url) + '\n' +
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'headers: ' + str(sessionHeaders) + '\n' +
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'params: ' + str(sessionParams) + '\n')
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print(e)
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except ValueError as e:
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print('ERROR: getJson failed\nurl: ' + str(url) + '\n' +
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'headers: ' + str(sessionHeaders) + '\n' +
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'params: ' + str(sessionParams) + '\n')
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print(e)
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except SocketError as e:
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if e.errno == errno.ECONNRESET:
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print('WARN: connection was reset during getJson')
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print(e)
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return None
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def postJson(session, postJsonObject: {}, federationList: [],
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inboxUrl: str, headers: {}, capability: str) -> str:
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"""Post a json message to the inbox of another person
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Supplying a capability, such as "inbox:write"
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"""
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# always allow capability requests
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if not capability.startswith('cap'):
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# check that we are posting to a permitted domain
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if not urlPermitted(inboxUrl, federationList, capability):
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print('postJson: ' + inboxUrl + ' not permitted')
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return None
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try:
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postResult = \
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session.post(url=inboxUrl,
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data=json.dumps(postJsonObject),
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headers=headers)
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except requests.exceptions.RequestException as e:
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print('ERROR: postJson requests failed ' + inboxUrl + ' ' +
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json.dumps(postJsonObject) + ' ' + str(headers))
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print(e)
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return None
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except SocketError as e:
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if e.errno == errno.ECONNRESET:
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print('WARN: connection was reset during postJson')
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return None
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except ValueError as e:
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print('ERROR: postJson failed ' + inboxUrl + ' ' +
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json.dumps(postJsonObject) + ' ' + str(headers))
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print(e)
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return None
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if postResult:
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return postResult.text
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return None
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def postJsonString(session, postJsonStr: str,
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federationList: [],
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inboxUrl: str,
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headers: {},
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capability: str,
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debug: bool) -> (bool, bool):
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"""Post a json message string to the inbox of another person
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Supplying a capability, such as "inbox:write"
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The second boolean returned is true if the send is unauthorized
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NOTE: Here we post a string rather than the original json so that
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conversions between string and json format don't invalidate
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the message body digest of http signatures
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"""
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# always allow capability requests
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if not capability.startswith('cap'):
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# check that we are posting to a permitted domain
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if not urlPermitted(inboxUrl, federationList, capability):
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print('postJson: ' + inboxUrl + ' not permitted by capabilities')
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return None, None
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try:
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postResult = \
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session.post(url=inboxUrl, data=postJsonStr, headers=headers)
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except requests.exceptions.RequestException as e:
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print('WARN: error during postJsonString requests')
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print(e)
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return None, None
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except SocketError as e:
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if e.errno == errno.ECONNRESET:
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print('WARN: connection was reset during postJsonString')
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print('ERROR: postJsonString failed ' + inboxUrl + ' ' +
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postJsonStr + ' ' + str(headers))
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return None, None
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except ValueError as e:
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print('WARN: error during postJsonString')
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print(e)
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return None, None
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if postResult.status_code < 200 or postResult.status_code > 202:
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if postResult.status_code >= 400 and \
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postResult.status_code <= 405 and \
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postResult.status_code != 404:
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print('WARN: Post to ' + inboxUrl + ' is unauthorized. Code ' +
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str(postResult.status_code))
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return False, True
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else:
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print('WARN: Failed to post to ' + inboxUrl +
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' with headers ' + str(headers))
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print('status code ' + str(postResult.status_code))
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return False, False
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return True, False
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def postImage(session, attachImageFilename: str, federationList: [],
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inboxUrl: str, headers: {}, capability: str) -> str:
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"""Post an image to the inbox of another person or outbox via c2s
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Supplying a capability, such as "inbox:write"
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"""
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# always allow capability requests
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if not capability.startswith('cap'):
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# check that we are posting to a permitted domain
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if not urlPermitted(inboxUrl, federationList, capability):
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print('postJson: ' + inboxUrl + ' not permitted')
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return None
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if not (attachImageFilename.endswith('.jpg') or
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attachImageFilename.endswith('.jpeg') or
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attachImageFilename.endswith('.png') or
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attachImageFilename.endswith('.gif')):
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print('Image must be png, jpg, or gif')
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return None
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if not os.path.isfile(attachImageFilename):
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print('Image not found: ' + attachImageFilename)
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return None
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contentType = 'image/jpeg'
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if attachImageFilename.endswith('.png'):
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contentType = 'image/png'
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if attachImageFilename.endswith('.gif'):
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contentType = 'image/gif'
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headers['Content-type'] = contentType
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with open(attachImageFilename, 'rb') as avFile:
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mediaBinary = avFile.read()
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try:
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postResult = session.post(url=inboxUrl, data=mediaBinary,
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headers=headers)
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except requests.exceptions.RequestException as e:
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print('WARN: error during postImage requests')
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print(e)
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return None
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except SocketError as e:
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if e.errno == errno.ECONNRESET:
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print('WARN: connection was reset during postImage')
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print('ERROR: postImage failed ' + inboxUrl + ' ' +
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str(headers))
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print(e)
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return None
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except ValueError as e:
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print('WARN: error during postImage')
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print(e)
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return None
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if postResult:
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return postResult.text
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return None
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