1 # Fedi API Block - An aggregator for fetching blocking data from fediverse nodes
2 # Copyright (C) 2023 Free Software Foundation
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU Affero General Public License as published
6 # by the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU Affero General Public License for more details.
14 # You should have received a copy of the GNU Affero General Public License
15 # along with this program. If not, see <https://www.gnu.org/licenses/>.
21 from fba import config
23 from fba import instances
25 # HTTP headers for non-API requests
27 "User-Agent": config.get("useragent"),
30 # HTTP headers for API requests
32 "User-Agent" : config.get("useragent"),
33 "Content-Type": "application/json",
36 def post_json_api(domain: str, path: str, data: str, headers: dict = {}) -> dict:
37 # DEBUG: print(f"DEBUG: domain='{domain}',path='{path}',data='{data}',headers()={len(headers)} - CALLED!")
38 if not isinstance(domain, str):
39 raise ValueError(f"Parameter domain[]={type(domain)} is not 'str'")
41 raise ValueError("Parameter 'domain' is empty")
42 elif not isinstance(path, str):
43 raise ValueError(f"path[]={type(path)} is not 'str'")
45 raise ValueError("Parameter 'path' cannot be empty")
46 elif not isinstance(data, str):
47 raise ValueError(f"data[]={type(data)} is not 'str'")
48 elif not isinstance(headers, dict):
49 raise ValueError(f"headers[]={type(headers)} is not 'list'")
51 # DEBUG: print(f"DEBUG: Determining if CSRF header needs to be sent for domain='{domain}' ...")
52 headers = csrf.determine(domain, {**api_headers, **headers})
59 # DEBUG: print(f"DEBUG: Sending POST to domain='{domain}',path='{path}',data='{data}',headers({len(headers)})={headers}")
60 response = reqto.post(
61 f"https://{domain}{path}",
64 timeout=(config.get("connection_timeout"), config.get("read_timeout"))
67 json_reply["json"] = json_from_response(response)
69 # DEBUG: print(f"DEBUG: response.ok={response.ok},response.status_code={response.status_code},json_reply[]='{type(json_reply)}'")
70 if not response.ok or response.status_code >= 400:
71 print(f"WARNING: Cannot query JSON API: domain='{domain}',path='{path}',data()={len(data)},response.status_code='{response.status_code}',json_reply[]='{type(json_reply)}'")
72 json_reply["status_code"] = response.status_code
73 json_reply["error_message"] = response.text
74 instances.update_last_error(domain, response)
76 except requests.exceptions.ConnectionError as exception:
77 # DEBUG: print(f"DEBUG: Fetching '{path}' from '{domain}' failed. exception[{type(exception)}]='{str(exception)}'")
78 json_reply["status_code"] = 999
79 json_reply["error_message"] = f"exception['{type(exception)}']='{str(exception)}'"
80 instances.update_last_error(domain, exception)
83 # DEBUG: print(f"DEBUG: Returning json_reply({len(json_reply)})=[]:{type(json_reply)}")
86 def get_json_api(domain: str, path: str, timeout: tuple) -> dict:
87 # DEBUG: print(f"DEBUG: domain='{domain}',path='{path}',data='{data}',timeout()={len(timeout)} - CALLED!")
88 if not isinstance(domain, str):
89 raise ValueError(f"Parameter domain[]={type(domain)} is not 'str'")
91 raise ValueError("Parameter 'domain' is empty")
92 elif not isinstance(path, str):
93 raise ValueError(f"path[]={type(path)} is not 'str'")
95 raise ValueError("Parameter 'path' cannot be empty")
96 elif not isinstance(timeout, tuple):
97 raise ValueError(f"timeout[]={type(timeout)} is not 'tuple'")
99 # DEBUG: print(f"DEBUG: Determining if CSRF header needs to be sent for domain='{domain}' ...")
100 headers = csrf.determine(domain, api_headers)
107 # DEBUG: print(f"DEBUG: Sending GET to domain='{domain}',path='{path}',timeout({len(timeout)})={timeout}")
108 response = reqto.get(
109 f"https://{domain}{path}",
114 except requests.exceptions.ConnectionError as exception:
115 # DEBUG: print(f"DEBUG: Fetching '{path}' from '{domain}' failed. exception[{type(exception)}]='{str(exception)}'")
116 json_reply["status_code"] = 999
117 json_reply["error_message"] = f"exception['{type(exception)}']='{str(exception)}'"
118 instances.update_last_error(domain, exception)
121 json_reply["json"] = json_from_response(response)
123 # DEBUG: print(f"DEBUG: response.ok={response.ok},response.status_code={response.status_code},json_reply[]='{type(json_reply)}'")
124 if not response.ok or response.status_code >= 400:
125 print(f"WARNING: Cannot query JSON API: domain='{domain}',path='{path}',response.status_code='{response.status_code}',json_reply[]='{type(json_reply)}'")
126 json_reply["status_code"] = response.status_code
127 json_reply["error_message"] = response.text
128 instances.update_last_error(domain, response)
130 # DEBUG: print(f"DEBUG: Returning json_reply({len(json_reply)})=[]:{type(json_reply)}")
133 def send_bot_post(domain: str, blocklist: dict):
134 # DEBUG: print(f"DEBUG: domain={domain},blocklist()={len(blocklist)} - CALLED!")
135 if not isinstance(domain, str):
136 raise ValueError(f"Parameter domain[]='{type(domain)}' is not 'str'")
138 raise ValueError("Parameter 'domain' is empty")
139 elif not isinstance(blocklist, dict):
140 raise ValueError(f"Parameter blocklist[]='{type(blocklist)}' is not 'dict'")
142 message = f"{domain} has blocked the following instances:\n\n"
145 if len(blocklist) > 20:
147 blocklist = blocklist[0 : 19]
149 # DEBUG: print(f"DEBUG: blocklist()={len(blocklist)}")
150 for block in blocklist:
151 # DEBUG: print(f"DEBUG: block['{type(block)}']={block}")
152 if block["reason"] is None or block["reason"] == '':
153 message = message + block["blocked"] + " with unspecified reason\n"
155 if len(block["reason"]) > 420:
156 block["reason"] = block["reason"][0:419] + "[…]"
158 message = message + block["blocked"] + ' for "' + block["reason"].replace("@", "@\u200b") + '"\n'
161 message = message + "(the list has been truncated to the first 20 entries)"
163 botheaders = {**api_headers, **{"Authorization": "Bearer " + config.get("bot_token")}}
166 f"{config.get('bot_instance')}/api/v1/statuses",
169 "visibility" : config.get('bot_visibility'),
170 "content_type": "text/plain"
178 def fetch_response(domain: str, path: str, headers: dict, timeout: tuple) -> requests.models.Response:
179 # DEBUG: print(f"DEBUG: domain='{domain}',path='{path}',headers()={len(headers)},timeout={timeout} - CALLED!")
180 if not isinstance(domain, str):
181 raise ValueError(f"Parameter domain[]='{type(domain)}' is not 'str'")
183 raise ValueError("Parameter 'domain' is empty")
184 elif not isinstance(path, str):
185 raise ValueError(f"Parameter path[]='{type(path)}' is not 'str'")
187 raise ValueError("Parameter 'path' is empty")
188 elif not isinstance(headers, dict):
189 raise ValueError(f"headers[]={type(headers)} is not 'dict'")
190 elif not isinstance(timeout, tuple):
191 raise ValueError(f"timeout[]={type(timeout)} is not 'tuple'")
194 # DEBUG: print(f"DEBUG: Sending GET request to '{domain}{path}' ...")
195 response = reqto.get(
196 f"https://{domain}{path}",
201 except requests.exceptions.ConnectionError as exception:
202 # DEBUG: print(f"DEBUG: Fetching '{path}' from '{domain}' failed. exception[{type(exception)}]='{str(exception)}'")
203 instances.update_last_error(domain, exception)
206 # DEBUG: print(f"DEBUG: response[]='{type(response)}' - EXXIT!")
209 def json_from_response(response: requests.models.Response) -> list:
210 # DEBUG: print(f"DEBUG: response[]={type(response)} - CALLED!")
211 if not isinstance(response, requests.models.Response):
212 raise ValueError(f"Parameter response[]='{type(response)}' is not type of 'Response'")
215 if response.text.strip() != "":
216 # DEBUG: print(f"DEBUG: response.text()={len(response.text)} is not empty, invoking response.json() ...")
218 data = response.json()
219 except json.decoder.JSONDecodeError:
222 # DEBUG: print(f"DEBUG: data[]={type(data)} - EXIT!")