1 # Copyright (C) 2023 Free Software Foundation
3 # This program is free software: you can redistribute it and/or modify
4 # it under the terms of the GNU Affero General Public License as published
5 # by the Free Software Foundation, either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU Affero General Public License for more details.
13 # You should have received a copy of the GNU Affero General Public License
14 # along with this program. If not, see <https://www.gnu.org/licenses/>.
18 from urllib.parse import urlparse
22 from fba.helpers import config
23 from fba.helpers import domain as domain_helper
25 from fba.http import network
27 from fba.models import instances
31 logging.basicConfig(level=logging.INFO)
32 logger = logging.getLogger(__name__)
34 def fetch_nodeinfo(domain: str, path: str = None) -> dict:
35 logger.debug("domain='%s',path='%s' - CALLED!", domain, path)
36 domain_helper.raise_on(domain)
38 if not isinstance(path, str) and path is not None:
39 raise ValueError(f"Parameter path[]='{type(path)}' is not of type 'str'")
41 logger.debug("Fetching nodeinfo from domain='%s' ...", domain)
42 data = fetch_wellknown_nodeinfo(domain)
44 logger.debug("data[%s](%d)='%s'", type(data), len(data), data)
45 if "error_message" not in data and "json" in data and len(data["json"]) > 0:
46 logger.debug("Invoking instances.set_last_nodeinfo(%s) ...", domain)
47 instances.set_last_nodeinfo(domain)
49 logger.debug("Found data[json]()=%d - EXIT!", len(data['json']))
52 # No CSRF by default, you don't have to add network.api_headers by yourself here
57 logger.debug("Checking CSRF for domain='%s'", domain)
58 headers = csrf.determine(domain, dict())
59 except network.exceptions as exception:
60 logger.warning("Exception '%s' during checking CSRF (nodeinfo,%s) - EXIT!", type(exception), __name__)
61 instances.set_last_error(domain, exception)
62 instances.set_software(domain, None)
63 instances.set_detection_mode(domain, None)
64 instances.set_nodeinfo_url(domain, None)
67 "error_message": f"exception[{type(exception)}]='{str(exception)}'",
68 "exception" : exception,
81 for request in request_paths:
82 logger.debug("request='%s'", request)
83 http_url = f"http://{domain}{str(path)}"
84 https_url = f"https://{domain}{str(path)}"
86 logger.debug("path[%s]='%s',request='%s',http_url='%s',https_url='%s'", type(path), path, request, http_url, https_url)
87 if path is None or path in [request, http_url, https_url]:
88 logger.debug("path='%s',http_url='%s',https_url='%s'", path, http_url, https_url)
89 if path in [http_url, https_url]:
90 logger.debug("domain='%s',path='%s' has protocol in path, splitting ...", domain, path)
91 components = urlparse(path)
92 path = components.path
94 logger.debug("Fetching request='%s' from domain='%s' ...", request, domain)
95 data = network.get_json_api(
99 (config.get("nodeinfo_connection_timeout"), config.get("nodeinfo_read_timeout"))
102 logger.debug("data[]='%s'", type(data))
103 if "error_message" not in data and "json" in data:
104 logger.debug("Success: request='%s' - Setting detection_mode=STATIC_CHECK ...", request)
105 instances.set_last_nodeinfo(domain)
106 instances.set_detection_mode(domain, "STATIC_CHECK")
107 instances.set_nodeinfo_url(domain, request)
110 logger.warning("Failed fetching nodeinfo from domain='%s',status_code='%s',error_message='%s'", domain, data['status_code'], data['error_message'])
112 logger.debug("data()=%d - EXIT!", len(data))
115 def fetch_wellknown_nodeinfo(domain: str) -> dict:
116 logger.debug("domain='%s' - CALLED!", domain)
117 domain_helper.raise_on(domain)
119 # "rel" identifiers (no real URLs)
120 nodeinfo_identifier = [
121 "https://nodeinfo.diaspora.software/ns/schema/2.1",
122 "http://nodeinfo.diaspora.software/ns/schema/2.1",
123 "https://nodeinfo.diaspora.software/ns/schema/2.0",
124 "http://nodeinfo.diaspora.software/ns/schema/2.0",
125 "https://nodeinfo.diaspora.software/ns/schema/1.1",
126 "http://nodeinfo.diaspora.software/ns/schema/1.1",
127 "https://nodeinfo.diaspora.software/ns/schema/1.0",
128 "http://nodeinfo.diaspora.software/ns/schema/1.0",
131 # No CSRF by default, you don't have to add network.api_headers by yourself here
135 logger.debug("Checking CSRF for domain='%s'", domain)
136 headers = csrf.determine(domain, dict())
137 except network.exceptions as exception:
138 logger.warning("Exception '%s' during checking CSRF (fetch_wellknown_nodeinfo,%s) - EXIT!", type(exception), __name__)
139 instances.set_last_error(domain, exception)
142 "error_message": type(exception),
143 "exception" : exception,
148 logger.debug("Fetching .well-known info for domain='%s'", domain)
149 for path in ["/.well-known/x-nodeinfo2", "/.well-known/nodeinfo"]:
150 logger.debug("Fetching path='%s' from domain='%s' ...", path, domain)
151 data = network.get_json_api(
155 (config.get("nodeinfo_connection_timeout"), config.get("nodeinfo_read_timeout"))
157 logger.debug("data[]='%s'", type(data))
159 if "error_message" not in data and "json" in data:
160 logger.debug("path='%s' returned valid json()=%d", path, len(data["json"]))
163 logger.debug("data[]='%s'", type(data))
164 if "exception" in data:
165 logger.warning("domain='%s' returned exception '%s'", domain, str(data["exception"]))
166 raise data["exception"]
167 elif "error_message" in data:
168 logger.warning("domain='%s' returned error message: '%s'", domain, data["error_message"])
170 elif "json" not in data:
171 logger.warning("domain='%s' returned no 'json' key", domain)
175 logger.debug("infos()=%d has been returned", len(infos))
178 logger.debug("Marking domain='%s' as successfully handled ...", domain)
179 instances.set_success(domain)
181 logger.debug("Found infos[links]()=%d record(s),", len(infos["links"]))
182 for niid in nodeinfo_identifier:
185 logger.debug("Checking niid='%s' ...", niid)
186 for link in infos["links"]:
187 logger.debug("link[%s]='%s'", type(link), link)
188 if not isinstance(link, dict) or not "rel" in link:
189 logger.debug("link[]='%s' is not of type 'dict' or no element 'rel' found - SKIPPED!", type(link))
191 elif link["rel"] != niid:
192 logger.debug("link[re]='%s' does not matched niid='%s' - SKIPPED!", link["rel"], niid)
194 elif "href" not in link:
195 logger.warning("link[rel]='%s' has no element 'href' - SKIPPED!", link["rel"])
197 elif link["href"] is None:
198 logger.debug("link[href] is None, link[rel]='%s' - SKIPPED!", link["rel"])
201 # Default is that 'href' has a complete URL, but some hosts don't send that
202 logger.debug("link[rel]='%s' matches niid='%s'", link["rel"], niid)
204 components = urlparse(url)
206 logger.debug("components[%s]='%s'", type(components), components)
207 if components.scheme == "" and components.netloc == "":
208 logger.warning("link[href]='%s' has no scheme and host name in it, prepending from domain='%s'", link['href'], domain)
209 url = f"https://{domain}{url}"
210 components = urlparse(url)
211 elif components.netloc == "":
212 logger.warning("link[href]='%s' has no netloc set, setting domain='%s'", link["href"], domain)
213 url = f"{components.scheme}://{domain}{components.path}"
214 components = urlparse(url)
216 logger.debug("components.netloc[]='%s'", type(components.netloc))
217 if not domain_helper.is_wanted(components.netloc):
218 logger.debug("components.netloc='%s' is not wanted - SKIPPED!", components.netloc)
221 logger.debug("Fetching nodeinfo from url='%s' ...", url)
222 data = network.fetch_api_url(
224 (config.get("connection_timeout"), config.get("read_timeout"))
227 logger.debug("link[href]='%s',data[]='%s'", link["href"], type(data))
228 if "error_message" not in data and "json" in data:
229 logger.debug("Found JSON data()=%d,link[href]='%s' - Setting detection_mode=AUTO_DISCOVERY ...", len(data), link["href"])
230 instances.set_detection_mode(domain, "AUTO_DISCOVERY")
231 instances.set_nodeinfo_url(domain, link["href"])
233 logger.debug("Marking domain='%s' as successfully handled ...", domain)
234 instances.set_success(domain)
237 logger.debug("Setting last error for domain='%s',data[]='%s'", domain, type(data))
238 instances.set_last_error(domain, data)
240 logger.debug("data()=%d", len(data))
241 if "error_message" not in data and "json" in data:
242 logger.debug("Auto-discovery successful: domain='%s'", domain)
244 elif "server" in infos:
245 logger.debug("Found infos[server][software]='%s'", infos["server"]["software"])
246 instances.set_detection_mode(domain, "AUTO_DISCOVERY")
247 instances.set_nodeinfo_url(domain, f"https://{domain}/.well-known/x-nodeinfo2")
249 logger.debug("Marking domain='%s' as successfully handled ...", domain)
250 instances.set_success(domain)
252 logger.warning("nodeinfo does not contain 'links' or 'server': domain='%s'", domain)
254 logger.debug("Returning data[]='%s' - EXIT!", type(data))