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epicyon
mirror of https://gitlab.com/bashrc2/epicyon
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Code Issues 14 Releases Wiki Activity

Add protocol handler

merge-requests/30/head
Bob Mottram 2023-01-09 22:05:58 +00:00
parent a0b47b37f8
commit c6e090dc98
2 changed files with 57 additions and 2 deletions
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29
daemon.py
View File

@ -30,6 +30,7 @@ from session import set_session_for_sender
from webfinger import webfinger_meta from webfinger import webfinger_meta
from webfinger import webfinger_node_info from webfinger import webfinger_node_info
from webfinger import webfinger_lookup from webfinger import webfinger_lookup
from webfinger import wellknown_protocol_handler
from webfinger import webfinger_update from webfinger import webfinger_update
from mastoapiv1 import masto_api_v1_response from mastoapiv1 import masto_api_v1_response
from metadata import meta_data_node_info from metadata import meta_data_node_info
@ -1686,7 +1687,8 @@ class PubServer(BaseHTTPRequestHandler):
self.server.security_txt_is_active = False self.server.security_txt_is_active = False
return True return True
def _webfinger(self, calling_domain: str, referer_domain: str) -> bool: def _webfinger(self, calling_domain: str, referer_domain: str,
cookie: str) -> bool:
if not self.path.startswith('/.well-known'): if not self.path.startswith('/.well-known'):
return False return False
if self.server.debug: if self.server.debug:
@ -1723,6 +1725,29 @@ class PubServer(BaseHTTPRequestHandler):
self.path.startswith('/friendi'): self.path.startswith('/friendi'):
self._404() self._404()
return True return True
# protocol handler. See https://fedi-to.github.io/protocol-handler.html
if self.path.startswith('/.well-known/protocol-handler'):
if referer_domain.endswidth('.onion'):
protocol_url = \
wellknown_protocol_handler(self.path,
self.server.base_dir, 'http',
self.server.onion_domain)
elif referer_domain.endswidth('.i2p'):
protocol_url = \
wellknown_protocol_handler(self.path, self.server.base_dir,
'http', self.server.i2p_domain)
else:
protocol_url = \
wellknown_protocol_handler(self.path, self.server.base_dir,
self.server.http_prefix,
self.server.domain_full)
if protocol_url:
self._redirect_headers(protocol_url, cookie,
calling_domain)
else:
self._404()
return True
# nodeinfo
if self.path.startswith('/.well-known/nodeinfo') or \ if self.path.startswith('/.well-known/nodeinfo') or \
self.path.startswith('/.well-known/x-nodeinfo'): self.path.startswith('/.well-known/x-nodeinfo'):
if calling_domain.endswith('.onion') and \ if calling_domain.endswith('.onion') and \
@ -18386,7 +18411,7 @@ class PubServer(BaseHTTPRequestHandler):
return return
# get webfinger endpoint for a person # get webfinger endpoint for a person
if self._webfinger(calling_domain, referer_domain): if self._webfinger(calling_domain, referer_domain, cookie):
fitness_performance(getreq_start_time, self.server.fitness, fitness_performance(getreq_start_time, self.server.fitness,
'_GET', 'webfinger called', '_GET', 'webfinger called',
self.server.debug) self.server.debug)

30
webfinger.py
View File

@ -252,6 +252,36 @@ def webfinger_meta(http_prefix: str, domain_full: str) -> str:
return meta_str return meta_str
def wellknown_protocol_handler(path: str, base_dir: str,
http_prefix: str, domain_full: str) -> {}:
"""See https://fedi-to.github.io/protocol-handler.html
"""
if not path.startswith('/.well-known/protocol-handler?'):
return None
if 'target=' in path:
target = path.split('target=')[1]
if ';' in target:
target = target.split(';')[0]
if not target:
return None
if not target.startswith('web+epicyon:'):
return None
handle = target.split(':', 1)[1].strip()
if handle.startswith('@'):
handle = handle[1:]
if '@' in handle:
nickname = handle.split('@')[0]
domain = handle.split('@')[1]
else:
nickname = handle
domain = domain_full
# not an open redirect
if domain == domain_full:
return http_prefix + '://' + domain_full + '/users/' + nickname
return None
def webfinger_lookup(path: str, base_dir: str, def webfinger_lookup(path: str, base_dir: str,
domain: str, onion_domain: str, i2p_domain: str, domain: str, onion_domain: str, i2p_domain: str,
port: int, debug: bool) -> {}: port: int, debug: bool) -> {}: