# along with this program. If not, see <https://www.gnu.org/licenses/>.
import logging
+import validators
import bs4
-from fba import csrf
-
from fba.helpers import config
from fba.helpers import domain as domain_helper
from fba.helpers import tidyup
+from fba.http import federation
from fba.http import network
+from fba.models import blocks
from fba.models import instances
logging.basicConfig(level=logging.INFO)
logger.debug("domain='%s' - CALLED!", domain)
domain_helper.raise_on(domain)
+ if not instances.is_registered(domain):
+ raise Exception(f"domain='{domain}' is not registered but function is invoked.")
+
logger.debug("Fetching mastodon blocks from domain='%s'", domain)
doc = None
for path in ["/about/more", "/about"]:
if header_text in blocklist or header_text.lower() in blocklist:
# replaced find_next_siblings with find_all_next to account for instances that e.g. hide lists in dropdown menu
for line in header.find_all_next("table")[0].find_all("tr")[1:]:
+ domain = line.find("span").text
+ hash = line.find("span")["title"][9:]
+ reason = line.find_all("td")[1].text
+
+ logger.debug("domain='%s',reason='%s' - BEFORE!", domain, reason)
+ domain = tidyup.domain(domain) if domain != "" else None
+ reason = tidyup.reason(reason) if reason != "" else None
+
+ logger.debug("domain='%s',reason='%s' - AFTER!", domain, reason)
+ if domain is None or domain == "":
+ logger.warning("domain='%s' is empty,line='%s' - SKIPPED!", domain, line)
+ continue
+
+ logger.debug("Appending domain='%s',hash='%s',reason='%s' to blocklist header_text='%s' ...", domain, hash, reason, blocklist)
blocklist[header_text].append({
- "domain": tidyup.domain(line.find("span").text),
- "hash" : tidyup.domain(line.find("span")["title"][9:]),
- "reason": tidyup.reason(line.find_all("td")[1].text),
+ "domain": domain,
+ "hash" : hash,
+ "reason": reason,
})
else:
logger.warning("header_text='%s' not found in blocklist()=%d", header_text, len(blocklist))
"followers_only": blocklist["Limited servers"] + blocklist["Silenced servers"],
}
-def fetch_blocks(domain: str, nodeinfo_url: str) -> list:
- logger.debug("domain='%s',nodeinfo_url='%s' - CALLED!", domain, nodeinfo_url)
+def fetch_blocks(domain: str) -> list:
+ logger.debug("domain='%s' - CALLED!", domain)
domain_helper.raise_on(domain)
- if not isinstance(nodeinfo_url, str):
- raise ValueError(f"Parameter nodeinfo_url[]='{type(nodeinfo_url)}' is not 'str'")
- elif nodeinfo_url == "":
- raise ValueError("Parameter 'nodeinfo_url' is empty")
+ if not instances.is_registered(domain):
+ raise Exception(f"domain='{domain}' is not registered but function is invoked.")
- # Init block list
blocklist = list()
- # No CSRF by default, you don't have to add network.api_headers by yourself here
- headers = tuple()
-
- try:
- logger.debug("Checking CSRF for domain='%s'", domain)
- headers = csrf.determine(domain, dict())
- except network.exceptions as exception:
- logger.warning("Exception '%s' during checking CSRF (fetch_blocks,%s) - EXIT!", type(exception), __name__)
- instances.set_last_error(domain, exception)
- return blocklist
-
- try:
- # json endpoint for newer mastodongs
- logger.debug("Querying API domain_blocks: domain='%s'", domain)
- data = network.get_json_api(
- domain,
- "/api/v1/instance/domain_blocks",
- headers,
- (config.get("connection_timeout"), config.get("read_timeout"))
- )
-
- logger.debug("data[]='%s'", type(data))
- if "error_message" in data:
- logger.debug("Was not able to fetch domain_blocks from domain='%s': status_code=%d,error_message='%s'", domain, data['status_code'], data['error_message'])
- instances.set_last_error(domain, data)
- return blocklist
- elif "json" in data and "error" in data["json"]:
- logger.warning("JSON API returned error message: '%s'", data['json']['error'])
- instances.set_last_error(domain, data)
- return blocklist
- else:
- # Getting blocklist
- rows = data["json"]
-
- logger.debug("Marking domain='%s' as successfully handled ...")
- instances.set_success(domain)
-
- if len(rows) == 0:
- logger.debug("domain='%s' has returned zero rows, trying /about/more page ...", domain)
- rows = fetch_blocks_from_about(domain)
-
- if len(rows) > 0:
- logger.debug("Checking %d entries from domain='%s' ...", len(rows), domain)
- for block in rows:
- # Check type
- logger.debug("block[]='%s'", type(block))
- if not isinstance(block, dict):
- logger.debug("block[]='%s' is of type 'dict' - SKIPPED!", type(block))
- continue
-
- reason = tidyup.reason(block["comment"]) if "comment" in block and block["comment"] is not None and block["comment"] != "" else None
-
- logger.debug("Appending blocker='%s',blocked='%s',reason='%s',block_level='%s'", domain, block["domain"], reason, block["severity"])
- blocklist.append({
- "blocker" : domain,
- "blocked" : block["domain"],
- "hash" : block["digest"],
- "reason" : reason,
- "block_level": block["severity"]
- })
- else:
- logger.debug("domain='%s' has no block list")
-
- except network.exceptions as exception:
- logger.warning("domain='%s',exception[%s]='%s'", domain, type(exception), str(exception))
- instances.set_last_error(domain, exception)
+ logger.debug("Invoking federation.fetch_blocks(%s) ...", domain)
+ rows = federation.fetch_blocks(domain)
+
+ logger.debug("rows[%s]()=%d", type(rows), len(rows))
+ if len(rows) == 0:
+ logger.debug("domain='%s' has returned zero rows, trying /about/more page ...", domain)
+ rows = fetch_blocks_from_about(domain)
+
+ logger.debug("rows[%s]()=%d", type(rows), len(rows))
+ if len(rows) > 0:
+ logger.debug("Checking %d entries from domain='%s' ...", len(rows), domain)
+ for block in rows:
+ # Check type
+ logger.debug("block[]='%s'", type(block))
+ if not isinstance(block, dict):
+ logger.debug("block[]='%s' is of type 'dict' - SKIPPED!", type(block))
+ continue
+ elif "domain" not in block:
+ logger.debug("block='%s'", block)
+ logger.warning("block()=%d does not contain element 'domain' - SKIPPED!", len(block))
+ continue
+ elif not domain_helper.is_wanted(block["domain"]):
+ logger.debug("block[domain]='%s' is not wanted - SKIPPED!", block["domain"])
+ continue
+ elif "severity" not in block:
+ logger.warning("block()=%d does not contain element 'severity' - SKIPPED!", len(block))
+ continue
+ elif block["severity"] in ["accept", "accepted"]:
+ logger.debug("block[domain]='%s' has unwanted severity level '%s' - SKIPPED!", block["domain"], block["severity"])
+ continue
+ elif "digest" in block and not validators.hashes.sha256(block["digest"]):
+ logger.warning("block[domain]='%s' has invalid block[digest]='%s' - SKIPPED!", block["domain"], block["digest"])
+ continue
+
+ reason = tidyup.reason(block["comment"]) if "comment" in block and block["comment"] is not None and block["comment"] != "" else None
+
+ logger.debug("Appending blocker='%s',blocked='%s',reason='%s',block_level='%s'", domain, block["domain"], reason, block["severity"])
+ blocklist.append({
+ "blocker" : domain,
+ "blocked" : block["domain"],
+ "hash" : block["digest"] if "digest" in block else None,
+ "reason" : reason,
+ "block_level": blocks.alias_block_level(block["severity"]),
+ })
+ else:
+ logger.debug("domain='%s' has no block list", domain)
logger.debug("blocklist()=%d - EXIT!", len(blocklist))
return blocklist