X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=fba%2Fnetworks%2Fpleroma.py;h=bdccdc2997414657599f216267393a9882aeaa54;hb=c5b06b2283aa65aea7146e1af969f64300fc28e6;hp=8ef7a06a53cb51c7617a32cc1b04ffea75a36beb;hpb=cb4993790ce9797ac97822ac7c230acf82dd966e;p=fba.git

diff --git a/fba/networks/pleroma.py b/fba/networks/pleroma.py
index 8ef7a06..bdccdc2 100644
--- a/fba/networks/pleroma.py
+++ b/fba/networks/pleroma.py
@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import inspect
 import logging
 
 import bs4
@@ -25,10 +24,11 @@ from fba import utils
 
 from fba.helpers import blacklist
 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.http import nodeinfo
 
 from fba.models import blocks
 from fba.models import instances
@@ -39,70 +39,76 @@ logger = logging.getLogger(__name__)
 # Language mapping X -> English
 language_mapping = {
     # English -> English
-    "Reject": "Suspended servers",
+    "filtered media"   : "filtered_media",
+    "limited servers"  : "followers_only",
+    "followers-only"   : "followers_only",
+    "media removal"    : "media_removal",
+    "media_removal"    : "media_removal",
+    "media force-set as sensitive": "media_nsfw",
+    "nsfw"             : "media_nsfw",
+    "reject"           : "reject",
+    "suspended servers": "reject",
+    "silenced servers" : "silenced",
+    "removal from \"the whole known network\" timeline": "federated_timeline_removal",
 }
 
-def fetch_blocks(domain: str, origin: str, nodeinfo_url: str):
-    logger.debug(f"domain='{domain}',origin='{origin}',nodeinfo_url='{nodeinfo_url}' - CALLED!")
-    if not isinstance(domain, str):
-        raise ValueError(f"Parameter domain[]='{type(domain)}' is not 'str'")
-    elif domain == "":
-        raise ValueError("Parameter 'domain' is empty")
-    elif domain.lower() != domain:
-        raise ValueError(f"Parameter domain='{domain}' must be all lower-case")
-    elif not validators.domain(domain.split("/")[0]):
-        raise ValueError(f"domain='{domain}' is not a valid domain")
-    elif domain.endswith(".arpa"):
-        raise ValueError(f"domain='{domain}' is a domain for reversed IP addresses, please don't crawl them!")
-    elif domain.endswith(".tld"):
-        raise ValueError(f"domain='{domain}' is a fake domain, please don't crawl them!")
-    elif not isinstance(origin, str) and origin is not None:
-        raise ValueError(f"Parameter origin[]='{type(origin)}' is not 'str'")
-    elif origin == "":
-        raise ValueError("Parameter 'origin' is empty")
-    elif 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")
-
-    # @TODO Unused blockdict
+def fetch_blocks(domain: str) -> list:
+    logger.debug("domain='%s' - CALLED!", domain)
+    domain_helper.raise_on(domain)
+
+    if blacklist.is_blacklisted(domain):
+        raise Exception(f"domain='{domain}' is blacklisted but function is invoked.")
+    elif not instances.is_registered(domain):
+        raise Exception(f"domain='{domain}' is not registered but function is invoked.")
+
+    # Init variables
     blockdict = list()
     rows = None
+
     try:
-        logger.debug(f"Fetching nodeinfo: domain='{domain}',nodeinfo_url='{nodeinfo_url}'")
-        rows = federation.fetch_nodeinfo(domain, nodeinfo_url)
+        logger.debug("Fetching nodeinfo: domain='%s'", domain)
+        rows = nodeinfo.fetch(domain, update_mode=False)
+
+        if "error_message" in rows:
+            logger.warning("Error message '%s' during fetching nodeinfo for domain='%s'", rows["error_message"], domain)
+            instances.set_last_error(domain, rows)
+            instances.update(domain)
+
+            logger.debug("Returning empty list ... - EXIT!")
+            return list()
+        elif "exception" in rows:
+            logger.warning("Exception '%s' during fetching nodeinfo for domain='%s' - EXIT!", type(rows["exception"]), domain)
+            return list()
+        elif "json" in rows:
+            logger.debug("rows[json] found for domain='%s'", domain)
+            rows = rows["json"]
+
     except network.exceptions as exception:
-        logger.warning(f"Exception '{type(exception)}' during fetching nodeinfo")
+        logger.warning("Exception '%s' during fetching nodeinfo from domain='%s'", type(exception), domain)
         instances.set_last_error(domain, exception)
 
+    logger.debug("rows[]='%s'", type(rows))
     if rows is None:
-        logger.warning("Could not fetch nodeinfo from domain:", domain)
-        return
+        logger.warning("Could not fetch nodeinfo from domain='%s' - EXIT!", domain)
+        return list()
     elif "metadata" not in rows:
-        logger.warning(f"rows()={len(rows)} does not have key 'metadata', domain='{domain}'")
-        return
+        logger.warning("rows()=%d does not have key 'metadata', domain='%s' - EXIT!", len(rows), domain)
+        return list()
     elif "federation" not in rows["metadata"]:
-        logger.warning(f"rows()={len(rows['metadata'])} does not have key 'federation', domain='{domain}'")
-        return
+        logger.warning("rows()=%d does not have key 'federation', domain='%s' - EXIT!", len(rows["metadata"]), domain)
+        return list()
 
-    data = rows["metadata"]["federation"]
     found = False
-
+    data = rows["metadata"]["federation"]
     logger.debug("data[]='%s'", type(data))
+
     if "mrf_simple" in data:
-        logger.debug("Found mrf_simple:", domain)
+        logger.debug("Found mrf_simple in API response from domain='%s'", domain)
         found = True
-        for block_level, blocklist in (
-            {
-                **data["mrf_simple"],
-                **{
-                    "quarantined_instances": data["quarantined_instances"]
-                }
-            }
-        ).items():
-            logger.debug("block_level, blocklist():", block_level, len(blocklist))
-            block_level = tidyup.domain(block_level)
-            logger.debug("BEFORE block_level:", block_level)
+        for block_level, blocklist in data["mrf_simple"].items():
+            logger.debug("block_level='%s', blocklist()=%d", block_level, len(blocklist))
+            block_level = tidyup.domain(block_level) if block_level != "" else None
+            logger.debug("block_level='%s' - AFTER!", block_level)
 
             if block_level == "":
                 logger.warning("block_level is now empty!")
@@ -111,148 +117,75 @@ def fetch_blocks(domain: str, origin: str, nodeinfo_url: str):
                 logger.debug("domain='%s' skipping block_level='accept'", domain)
                 continue
 
-            logger.debug(f"Checking {len(blocklist)} entries from domain='{domain}',block_level='{block_level}' ...")
-            if len(blocklist) > 0:
-                for blocked in blocklist:
-                    logger.debug("BEFORE blocked:", blocked)
-                    blocked = tidyup.domain(blocked)
-                    logger.debug("AFTER blocked:", blocked)
-
-                    if blocked == "":
-                        logger.warning("blocked is empty after tidyup.domain():", domain, block_level)
-                        continue
-                    elif blacklist.is_blacklisted(blocked):
-                        logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
-                        continue
-                    elif blocked.count("*") > 0:
-                        # Obscured domain name with no hash
-                        row = instances.deobscure("*", blocked)
-
-                        logger.debug("row[]='%s'", type(row))
-                        if row is None:
-                            logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                            continue
-
-                        logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                        blocked      = row[0]
-                        origin       = row[1]
-                        nodeinfo_url = row[2]
-                    elif blocked.count("?") > 0:
-                        # Obscured domain name with no hash
-                        row = instances.deobscure("?", blocked)
-
-                        logger.debug("row[]='%s'", type(row))
-                        if row is None:
-                            logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                            continue
-
-                        logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                        blocked      = row[0]
-                        origin       = row[1]
-                        nodeinfo_url = row[2]
-
-                    logger.debug(f"blocked='{blocked}'")
-                    if not utils.is_domain_wanted(blocked):
-                        logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
-                        continue
-                    elif not instances.is_registered(blocked):
-                        # Commit changes
-                        logger.debug("Invoking commit() ...")
-                        database.connection.commit()
-
-                        logger.debug(f"Domain blocked='{blocked}' wasn't found, adding ..., domain='{domain}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
-                        instances.add(blocked, domain, inspect.currentframe().f_code.co_name, nodeinfo_url)
-
-                    if not blocks.is_instance_blocked(domain, blocked, block_level):
-                        logger.debug("Blocking:", domain, blocked, block_level)
-                        blocks.add_instance(domain, blocked, None, block_level)
-
-                        if block_level == "reject":
-                            logger.debug("Adding to blockdict:", blocked)
-                            blockdict.append({
-                                "blocked": blocked,
-                                "reason" : None
-                            })
-                    else:
-                        logger.debug(f"Updating block last seen for domain='{domain}',blocked='{blocked}' ...")
-                        blocks.update_last_seen(domain, blocked, block_level)
-    elif "quarantined_instances" in data:
-        logger.debug(f"Found 'quarantined_instances' in JSON response: domain='{domain}'")
-        found = True
-        block_level = "quarantined"
+            block_level = blocks.alias_block_level(block_level)
 
-        for blocked in data["quarantined_instances"]:
-            logger.debug("BEFORE blocked:", blocked)
-            blocked = tidyup.domain(blocked)
-            logger.debug("AFTER blocked:", blocked)
-
-            if blocked == "":
-                logger.warning("blocked is empty after tidyup.domain():", domain, block_level)
-                continue
-            elif blacklist.is_blacklisted(blocked):
-                logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
-                continue
-            elif blocked.count("*") > 0:
-                # Obscured domain name with no hash
-                row = instances.deobscure("*", blocked)
+            logger.debug("Checking %d entries from domain='%s',block_level='%s' ...", len(blocklist), domain, block_level)
+            for blocked in blocklist:
+                logger.debug("blocked='%s' - BEFORE!", blocked)
+                blocked = tidyup.domain(blocked) if blocked != "" else None
+                logger.debug("blocked='%s' - AFTER!", blocked)
 
-                logger.debug("row[]='%s'", type(row))
-                if row is None:
-                    logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
+                if blocked in [None, ""]:
+                    logger.warning("blocked='%s' is empty after tidyup.domain(): domain='%s',block_level='%s' - SKIPPED!", blocked, domain, block_level)
                     continue
+                elif validators.domain(blocked) and blacklist.is_blacklisted(blocked):
+                    logger.debug("blocked='%s' is blacklisted - SKIPPED!")
+                    continue
+
+                logger.debug("Invoking utils.deobfuscate(%s, %s) ...", blocked, domain)
+                blocked = utils.deobfuscate(blocked, domain)
+                logger.debug("blocked[%s]='%s' - DEOBFUSCATED!", type(blocked), blocked)
 
-                logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                blocked      = row[0]
-                origin       = row[1]
-                nodeinfo_url = row[2]
-            elif blocked.count("?") > 0:
-                # Obscured domain name with no hash
-                row = instances.deobscure("?", blocked)
-
-                logger.debug("row[]='%s'", type(row))
-                if row is None:
-                    logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
+                if blocked in [None, ""]:
+                    logger.warning("instance[host]='%s' is None or empty after tidyup.domain() - SKIPPED!", instance["host"])
+                    continue
+                elif not domain_helper.is_wanted(blocked):
+                    logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
                     continue
 
-                logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                blocked      = row[0]
-                origin       = row[1]
-                nodeinfo_url = row[2]
+                logger.debug("Appending blocker='%s',blocked='%s',block_level='%s' ...", domain, blocked, block_level)
+                blockdict.append({
+                    "blocker"    : domain,
+                    "blocked"    : blocked,
+                    "reason"     : None,
+                    "block_level": block_level,
+                })
+
+    elif "quarantined_instances" in data:
+        logger.debug("Found 'quarantined_instances' in JSON response: domain='%s'", domain)
+        found = True
+        block_level = "quarantined"
 
-            logger.debug(f"blocked='{blocked}'")
-            if not utils.is_domain_wanted((blocked):
+        logger.debug("Checking %d quarantined instance(s) ...", len(data["quarantined_instances"]))
+        for blocked in data["quarantined_instances"]:
+            logger.debug("blocked='%s' - BEFORE!", blocked)
+            blocked = tidyup.domain(blocked) if blocked != "" else None
+            logger.debug("blocked='%s' - AFTER!", blocked)
+
+            if blocked in [None, ""]:
+                logger.warning("blocked is empty after tidyup.domain(): domain='%s',block_level='%s'", domain, block_level)
+                continue
+            elif not domain_helper.is_wanted(blocked):
                 logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
                 continue
-            elif not instances.is_registered(blocked):
-                # Commit changes
-                logger.debug("Invoking commit() ...")
-                database.connection.commit()
-
-                logger.debug(f"Domain blocked='{blocked}' wasn't found, adding ..., domain='{domain}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
-                instances.add(blocked, domain, inspect.currentframe().f_code.co_name, nodeinfo_url)
 
-            if not blocks.is_instance_blocked(domain, blocked, block_level):
-                logger.debug("Blocking:", domain, blocked, block_level)
-                blocks.add_instance(domain, blocked, None, block_level)
+            logger.debug("Appending blocker='%s',blocked='%s',block_level='%s' ...", domain, blocked, block_level)
+            blockdict.append({
+                "blocker"    : domain,
+                "blocked"    : blocked,
+                "reason"     : None,
+                "block_level": block_level,
+            })
 
-                if block_level == "reject":
-                    logger.debug("Adding to blockdict:", blocked)
-                    blockdict.append({
-                        "blocked": blocked,
-                        "reason" : None
-                    })
-            else:
-                logger.debug(f"Updating block last seen for domain='{domain}',blocked='{blocked}' ...")
-                blocks.update_last_seen(domain, blocked, block_level)
     else:
-        logger.warning(f"Cannot find 'mrf_simple' or 'quarantined_instances' in JSON reply: domain='{domain}'")
+        logger.warning("Cannot find 'mrf_simple' or 'quarantined_instances' in JSON reply: domain='%s'", domain)
 
     logger.debug("Invoking commit() ...")
     database.connection.commit()
 
     # Reasons
     if "mrf_simple_info" in data:
-        logger.debug("Found mrf_simple_info:", domain)
+        logger.debug("Found mrf_simple_info in API response: domain='%s'", domain)
         found = True
         for block_level, info in (
             {
@@ -260,255 +193,117 @@ def fetch_blocks(domain: str, origin: str, nodeinfo_url: str):
                 **(data["quarantined_instances_info"] if "quarantined_instances_info" in data else {})
             }
         ).items():
-            logger.debug("block_level, info.items():", block_level, len(info.items()))
-            block_level = tidyup.domain(block_level)
-            logger.debug("BEFORE block_level:", block_level)
+            logger.debug("block_level='%s', info.items()=%d", block_level, len(info.items()))
+            block_level = tidyup.domain(block_level) if block_level != "" else None
+            logger.debug("block_level='%s' - AFTER!", block_level)
 
-            if block_level == "":
-                logger.warning("block_level is now empty!")
+            if block_level in [None, ""]:
+                logger.warning("block_level='%s' is now empty!", block_level)
                 continue
             elif block_level == "accept":
-                logger.debug("domain='%s' skipping block_level='accept'", domain)
+                logger.debug("domain='%s': Skipping block_level='%s' ...", domain, block_level)
                 continue
 
-            logger.debug(f"Checking {len(info.items())} entries from domain='{domain}',block_level='{block_level}' ...")
+            block_level = blocks.alias_block_level(block_level)
+
+            logger.debug("Checking %d entries from domain='%s',block_level='%s' ...", len(info.items()), domain, block_level)
             for blocked, reason in info.items():
-                logger.debug(f"blocked='{blocked}',reason[{type(reason)}]='{reason}' - BEFORE!")
-                blocked = tidyup.domain(blocked)
+                logger.debug("blocked='%s',reason[%s]='%s' - BEFORE!", blocked, type(reason), reason)
+                blocked = tidyup.domain(blocked) if blocked != "" else None
+                logger.debug("blocked='%s' - AFTER!", blocked)
 
                 if isinstance(reason, str):
                     logger.debug("reason[] is a string")
                     reason = tidyup.reason(reason)
                 elif isinstance(reason, dict) and "reason" in reason:
                     logger.debug("reason[] is a dict")
-                    reason = tidyup.reason(reason["reason"])
+                    reason = tidyup.reason(reason["reason"]) if isinstance(reason["reason"], str) else None
                 elif reason is not None:
                     raise ValueError(f"Cannot handle reason[]='{type(reason)}'")
 
                 logger.debug("blocked='%s',reason='%s' - AFTER!", blocked, reason)
 
                 if blocked == "":
-                    logger.warning("blocked is empty after tidyup.domain():", domain, block_level)
-                    continue
-                elif blacklist.is_blacklisted(blocked):
-                    logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
-                    continue
-                elif blocked.count("*") > 0:
-                    # Obscured domain name with no hash
-                    row = instances.deobscure("*", blocked)
-
-                    logger.debug("row[]='%s'", type(row))
-                    if row is None:
-                        logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                        continue
-
-                    logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                    blocked      = row[0]
-                    origin       = row[1]
-                    nodeinfo_url = row[2]
-                elif blocked.count("?") > 0:
-                    # Obscured domain name with no hash
-                    row = instances.deobscure("?", blocked)
-
-                    logger.debug("row[]='%s'", type(row))
-                    if row is None:
-                        logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                        continue
-
-                    logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                    blocked      = row[0]
-                    origin       = row[1]
-                    nodeinfo_url = row[2]
-
-                logger.debug(f"blocked='{blocked}'")
-                if not utils.is_domain_wanted((blocked):
-                    logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
+                    logger.warning("blocked is empty after tidyup.domain(): domain='%s',block_level='%s'", domain, block_level)
                     continue
-                elif not instances.is_registered(blocked):
-                    logger.debug(f"Domain blocked='{blocked}' wasn't found, adding ..., domain='{domain}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
-                    instances.add(blocked, domain, inspect.currentframe().f_code.co_name, nodeinfo_url)
 
-                logger.debug(f"Updating block reason: reason='{reason}',domain='{domain}',blocked='{blocked}',block_level='{block_level}'")
-                blocks.update_reason(reason, domain, blocked, block_level)
-
-                logger.debug(f"blockdict()={len(blockdict)}")
-                for entry in blockdict:
-                    if entry["blocked"] == blocked:
-                        logger.debug(f"Updating entry reason: blocked='{blocked}',reason='{reason}'")
-                        entry["reason"] = reason
+                logger.debug("Checking %d blockdict records ...", len(blockdict))
+                for block in blockdict:
+                    logger.debug("block[blocked]='%s',blocked='%s'", block["blocked"], blocked)
+                    if block["blocked"] == blocked:
+                        logger.debug("Updating reason='%s' for blocker='%s'", reason, block["blocked"])
+                        block["reason"] = reason
 
     elif "quarantined_instances_info" in data and "quarantined_instances" in data["quarantined_instances_info"]:
-        logger.debug(f"Found 'quarantined_instances_info' in JSON response: domain='{domain}'")
+        logger.debug("Found 'quarantined_instances_info' in JSON response: domain='%s'", domain)
         found = True
         block_level = "quarantined"
 
         #print(data["quarantined_instances_info"])
         rows = data["quarantined_instances_info"]["quarantined_instances"]
         for blocked in rows:
-            logger.debug("BEFORE blocked:", blocked)
-            blocked = tidyup.domain(blocked)
-            logger.debug("AFTER blocked:", blocked)
+            logger.debug("blocked='%s' - BEFORE!", blocked)
+            reason  = tidyup.reason(rows[blocked]["reason"]) if rows[blocked]["reason"] != "" else None
+            blocked = tidyup.domain(blocked) if blocked != "" else None
+            logger.debug("blocked='%s',reason='%s' - AFTER!", blocked, reason)
 
             if blocked not in rows or "reason" not in rows[blocked]:
-                logger.warning(f"Cannot find blocked='{blocked}' in rows()={len(rows)},domain='{domain}'")
+                logger.warning("Cannot find blocked='%s' in rows()=%d,domain='%s' - BREAK!", blocked, len(rows), domain)
                 break
-
-            reason = rows[blocked]["reason"]
-            logger.debug(f"reason='{reason}'")
-
-            if blocked == "":
-                logger.warning("blocked is empty after tidyup.domain():", domain, block_level)
-                continue
-            elif blacklist.is_blacklisted(blocked):
-                logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
+            elif blocked == "":
+                logger.warning("blocked is empty after tidyup.domain(): domain='%s',block_level='%s'", domain, block_level)
                 continue
-            elif blocked.count("*") > 0:
-                # Obscured domain name with no hash
-                row = instances.deobscure("*", blocked)
 
-                logger.debug("row[]='%s'", type(row))
-                if row is None:
-                    logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                    continue
-
-                logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                blocked      = row[0]
-                origin       = row[1]
-                nodeinfo_url = row[2]
-            elif blocked.count("?") > 0:
-                # Obscured domain name with no hash
-                row = instances.deobscure("?", blocked)
-
-                logger.debug("row[]='%s'", type(row))
-                if row is None:
-                    logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                    continue
-
-                logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                blocked      = row[0]
-                origin       = row[1]
-                nodeinfo_url = row[2]
-
-            logger.debug(f"blocked='{blocked}'")
-            if not utils.is_domain_wanted((blocked):
-                logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
-                continue
-            elif not instances.is_registered(blocked):
-                logger.debug(f"Domain blocked='{blocked}' wasn't found, adding ..., domain='{domain}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
-                instances.add(blocked, domain, inspect.currentframe().f_code.co_name, nodeinfo_url)
-
-            logger.debug(f"Updating block reason: reason='{reason}',domain='{domain}',blocked='{blocked}',block_level='{block_level}'")
-            blocks.update_reason(reason, domain, blocked, block_level)
-
-            logger.debug(f"blockdict()={len(blockdict)}")
-            for entry in blockdict:
-                if entry["blocked"] == blocked:
-                    logger.debug(f"Updating entry reason: blocked='{blocked}',reason='{reason}'")
-                    entry["reason"] = reason
+            logger.debug("Checking %d blockdict record(s) ...", len(blockdict))
+            for block in blockdict:
+                logger.debug("block[blocked]='%s',blocked='%s'", block["blocked"], blocked)
+                if block["blocked"] == blocked:
+                    logger.debug("Updating reason='%s' for blocker='%s'", reason, block["blocked"])
+                    block["reason"] = reason
     else:
-        logger.warning(f"Cannot find 'mrf_simple_info' or 'quarantined_instances_info' in JSON reply: domain='{domain}'")
+        logger.warning("Cannot find 'mrf_simple_info' or 'quarantined_instances_info' in JSON reply: domain='%s'", domain)
 
+    logger.debug("found='%s'", found)
     if not found:
-        logger.debug(f"Did not find any useable JSON elements, domain='{domain}', continuing with /about page ...")
+        logger.debug("Did not find any useable JSON elements, domain='%s', continuing with /about page ...", domain)
         blocklist = fetch_blocks_from_about(domain)
 
-        logger.debug(f"blocklist()={len(blocklist)}")
+        logger.debug("blocklist()=%d", len(blocklist))
         if len(blocklist) > 0:
-            logger.info("Checking %d record(s) ...", len(blocklist))
+            logger.info("Checking %d different blocklist(s) ...", len(blocklist))
             for block_level in blocklist:
-                logger.debug("block_level='%s'", block_level)
-
-                rows = blocklist[block_level]
-                logger.debug(f"rows['{type(rows)}]()={len(rows)}'")
-                for record in rows:
-                    logger.debug(f"record[]='{type(record)}'")
-                    blocked = tidyup.domain(record["blocked"])
-                    reason  = tidyup.reason(record["reason"])
-                    logger.debug("blocked='%s',reason='%s' - AFTER!", blocked, reason)
-
-                    if blocked == "":
-                        logger.warning("blocked is empty after tidyup.domain():", domain, block_level)
-                        continue
-                    elif blacklist.is_blacklisted(blocked):
-                        logger.debug("blocked='%s' is blacklisted - SKIPPED!", blocked)
-                        continue
-                    elif blocked.count("*") > 0:
-                        # Obscured domain name with no hash
-                        row = instances.deobscure("*", blocked)
-
-                        logger.debug("row[]='%s'", type(row))
-                        if row is None:
-                            logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                            continue
-
-                        logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                        blocked      = row[0]
-                        origin       = row[1]
-                        nodeinfo_url = row[2]
-                    elif blocked.count("?") > 0:
-                        # Obscured domain name with no hash
-                        row = instances.deobscure("?", blocked)
-
-                        logger.debug("row[]='%s'", type(row))
-                        if row is None:
-                            logger.warning(f"Cannot deobsfucate blocked='{blocked}',domain='{domain}',origin='{origin}' - SKIPPED!")
-                            continue
-
-                        logger.debug(f"blocked='{blocked}' de-obscured to '{row[0]}'")
-                        blocked      = row[0]
-                        origin       = row[1]
-                        nodeinfo_url = row[2]
-
-                    logger.debug(f"blocked='{blocked}'")
-                    if not utils.is_domain_wanted((blocked):
-                        logger.warning("blocked='%s' is not wanted - SKIPPED!", blocked)
-                        continue
-                    elif not instances.is_registered(blocked):
-                        logger.debug(f"Domain blocked='{blocked}' wasn't found, adding ..., domain='{domain}',origin='{origin}',nodeinfo_url='{nodeinfo_url}'")
-                        instances.add(blocked, domain, inspect.currentframe().f_code.co_name, nodeinfo_url)
-
-                    if not blocks.is_instance_blocked(domain, blocked, block_level):
-                        logger.debug("Blocking:", domain, blocked, block_level)
-                        blocks.add_instance(domain, blocked, reason, block_level)
-
-                        if block_level == "reject":
-                            logger.debug("Adding to blockdict:", blocked)
-                            blockdict.append({
-                                "blocked": blocked,
-                                "reason" : reason
-                            })
-                    else:
-                        logger.debug(f"Updating block last seen for domain='{domain}',blocked='{blocked}' ...")
-                        blocks.update_reason(reason, domain, blocked, block_level)
-
-    logger.debug("Invoking commit() ...")
-    database.connection.commit()
+                logger.debug("Checking blocklist[%s]()=%d entries ...", block_level, blocklist[block_level])
+                for block in blocklist[block_level]:
+                    logger.debug("Appending blocker='%s',block[blocked]='%s',block[reason]='%s',block_level='%s' ...",domain, block["blocked"], block["reason"], block_level)
+                    blockdict.append({
+                        "blocker"    : domain,
+                        "blocked"    : block["blocked"],
+                        "reason"     : block["reason"],
+                        "block_level": block_level,
+                    })
 
-    logger.debug("EXIT!")
+    logger.debug("blockdict()=%d - EXIT!", len(blockdict))
+    return blockdict
 
 def fetch_blocks_from_about(domain: str) -> dict:
-    logger.debug("domain(%d)='%s' - CALLED!", len(domain), domain)
-    if not isinstance(domain, str):
-        raise ValueError(f"Parameter domain[]='{type(domain)}' is not 'str'")
-    elif domain == "":
-        raise ValueError("Parameter 'domain' is empty")
-    elif domain.lower() != domain:
-        raise ValueError(f"Parameter domain='{domain}' must be all lower-case")
-    elif not validators.domain(domain.split("/")[0]):
-        raise ValueError(f"domain='{domain}' is not a valid domain")
-    elif domain.endswith(".arpa"):
-        raise ValueError(f"domain='{domain}' is a domain for reversed IP addresses, please don't crawl them!")
-    elif domain.endswith(".tld"):
-        raise ValueError(f"domain='{domain}' is a fake domain, please don't crawl them!")
-
-    logger.debug(f"Fetching mastodon blocks from domain='{domain}'")
+    logger.debug("domain='%s' - CALLED!", domain)
+    domain_helper.raise_on(domain)
+
+    if blacklist.is_blacklisted(domain):
+        raise Exception(f"domain='{domain}' is blacklisted but function is invoked.")
+    elif not instances.is_registered(domain):
+        raise Exception(f"domain='{domain}' is not registered but function is invoked.")
+
+    # Init variables
     doc = None
+
+    logger.debug("Fetching mastodon blocks from domain='%s'", domain)
     for path in ["/instance/about/index.html"]:
         try:
             # Resetting doc type
             doc = None
 
-            logger.debug(f"Fetching path='{path}' from domain='{domain}' ...")
+            logger.debug("Fetching path='%s' from domain='%s' ...", path, domain)
             response = network.fetch_response(
                 domain,
                 path,
@@ -516,12 +311,12 @@ def fetch_blocks_from_about(domain: str) -> dict:
                 (config.get("connection_timeout"), config.get("read_timeout"))
             )
 
-            logger.debug(f"response.ok='{response.ok}',response.status_code='{response.status_code}',response.text()={len(response.text)}")
+            logger.debug("response.ok='%s',response.status_code=%d,response.text()=%d", response.ok, response.status_code, len(response.text))
             if not response.ok or response.text.strip() == "":
-                logger.warning(f"path='{path}' does not exist on domain='{domain}' - SKIPPED!")
+                logger.warning("path='%s' does not exist on domain='%s' - SKIPPED!", path, domain)
                 continue
 
-            logger.debug(f"Parsing response.text()={len(response.text)} Bytes ...")
+            logger.debug("Parsing response.text()=%d Bytes ...", len(response.text))
             doc = bs4.BeautifulSoup(
                 response.text,
                 "html.parser",
@@ -529,52 +324,76 @@ def fetch_blocks_from_about(domain: str) -> dict:
 
             logger.debug("doc[]='%s'", type(doc))
             if doc.find("h2") is not None:
-                logger.debug(f"Found 'h2' header in path='{path}' - BREAK!")
+                logger.debug("Found 'h2' header in path='%s' - BREAK!", path)
                 break
 
         except network.exceptions as exception:
-            logger.warning("Cannot fetch from domain:", domain, exception)
+            logger.warning("Cannot fetch from domain='%s',exception[%s]='%s'", domain, type(exception), str(exception))
             instances.set_last_error(domain, exception)
             break
 
     blocklist = {
-        "Suspended servers": [],
-        "Filtered media"   : [],
-        "Limited servers"  : [],
-        "Silenced servers" : [],
+        "reject"        : [],
+        "filtered_media": [],
+        "followers_only": [],
+        "silenced"      : [],
+        "media_nsfw"    : [],
+        "media_removal" : [],
+        "federated_timeline_removal": [],
     }
 
     logger.debug("doc[]='%s'", type(doc))
     if doc is None:
-        logger.warning(f"Cannot fetch any /about pages for domain='{domain}' - EXIT!")
-        return blocklist
+        logger.warning("Cannot fetch any /about pages for domain='%s' - EXIT!", domain)
+        return list()
+
+    headers = doc.find_all("h2")
+
+    logger.debug("headers[]='%s'", type(headers))
+    if headers is None:
+        logger.warning("Cannot fetch any /about pages for domain='%s' - EXIT!", domain)
+        return list()
 
-    for header in doc.find_all("h2"):
-        header_text = tidyup.reason(header.text)
+    logger.info("Checking %d headers ...", len(headers))
+    for header in headers:
+        logger.debug("header[%s]='%s'", type(header), header)
+        block_level = tidyup.reason(header.text).lower()
 
-        logger.debug(f"header_text='{header_text}' - BEFORE!")
-        if header_text in language_mapping:
-            logger.debug(f"header_text='{header_text}' - FOUND!")
-            header_text = language_mapping[header_text]
+        logger.debug("block_level='%s' - BEFORE!", block_level)
+        if block_level in language_mapping:
+            logger.debug("block_level='%s' - FOUND!", block_level)
+            block_level = language_mapping[block_level].lower()
         else:
-            logger.warning(f"header_text='{header_text}' not found in language mapping table")
+            logger.warning("block_level='%s' not found in language mapping table", block_level)
 
-        logger.debug(f"header_text='{header_text} - AFTER!'")
-        if header_text in blocklist or header_text.lower() in blocklist:
+        logger.debug("block_level='%s - AFTER!'", block_level)
+        if block_level in blocklist:
             # replaced find_next_siblings with find_all_next to account for instances that e.g. hide lists in dropdown menu
-            logger.debug(f"Found header_text='{header_text}', importing domain blocks ...")
+            logger.debug("Found block_level='%s', importing domain blocks ...", block_level)
             for line in header.find_next("table").find_all("tr")[1:]:
-                logger.debug(f"line[]='{type(line)}'")
-                blocklist[header_text].append({
-                    "blocked": tidyup.domain(line.find_all("td")[0].text),
-                    "reason" : tidyup.reason(line.find_all("td")[1].text),
+                logger.debug("line[]='%s'", type(line))
+                blocked = line.find_all("td")[0].text
+                reason  = line.find_all("td")[1].text
+
+                logger.debug("blocked='%s',reason='%s' - BEFORE!", blocked, reason)
+                blocked = tidyup.domain(blocked) if blocked != "" else None
+                reason  = tidyup.reason(reason)  if reason  != "" else None
+                logger.debug("blocked='%s',reason='%s' - AFTER!", blocked, reason)
+
+                if blocked in [None, ""]:
+                    logger.debug("domain='%s',block_level='%s': blocked='%s' is empty - SKIPPED!", domain, block_level, blocked)
+                    continue
+                elif not domain_helper.is_wanted(blocked):
+                    logger.debug("blocked='%s' is not wanted - SKIPPED!", blocked)
+                    continue
+
+                logger.debug("Appending block_level='%s',blocked='%s',reason='%s' ...", block_level, blocked, reason)
+                blocklist[block_level].append({
+                    "blocked": blocked,
+                    "reason" : reason,
                 })
         else:
-            logger.warning(f"header_text='{header_text}' not found in blocklist()={len(blocklist)}")
+            logger.warning("block_level='%s' not found in blocklist()=%d", block_level, len(blocklist))
 
-    logger.debug(f"Returning blocklist for domain='{domain}'")
-    return {
-        "reject"        : blocklist["Suspended servers"],
-        "media_removal" : blocklist["Filtered media"],
-        "followers_only": blocklist["Limited servers"] + blocklist["Silenced servers"],
-    }
+    logger.debug("Returning blocklist for domain='%s' - EXIT!", domain)
+    return blocklist