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epicyon/roles.py

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__filename__ = "roles.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.2.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "Profile Metadata"
import os
from utils import loadJson
from utils import saveJson
from utils import getStatusNumber
from utils import removeDomainPort
from utils import acctDir
def _clearRoleStatus(base_dir: str, role: str) -> None:
"""Removes role status from all accounts
This could be slow if there are many users, but only happens
rarely when roles are appointed or removed
"""
directory = os.fsencode(base_dir + '/accounts/')
for f in os.scandir(directory):
f = f.name
filename = os.fsdecode(f)
if '@' not in filename:
continue
if not filename.endswith(".json"):
continue
filename = os.path.join(base_dir + '/accounts/', filename)
if '"' + role + '"' not in open(filename).read():
continue
actorJson = loadJson(filename)
if not actorJson:
continue
rolesList = getActorRolesList(actorJson)
if role in rolesList:
rolesList.remove(role)
setRolesFromList(actorJson, rolesList)
saveJson(actorJson, filename)
def clearEditorStatus(base_dir: str) -> None:
"""Removes editor status from all accounts
This could be slow if there are many users, but only happens
rarely when editors are appointed or removed
"""
_clearRoleStatus(base_dir, 'editor')
def clearCounselorStatus(base_dir: str) -> None:
"""Removes counselor status from all accounts
This could be slow if there are many users, but only happens
rarely when counselors are appointed or removed
"""
_clearRoleStatus(base_dir, 'editor')
def clearArtistStatus(base_dir: str) -> None:
"""Removes artist status from all accounts
This could be slow if there are many users, but only happens
rarely when artists are appointed or removed
"""
_clearRoleStatus(base_dir, 'artist')
def clearModeratorStatus(base_dir: str) -> None:
"""Removes moderator status from all accounts
This could be slow if there are many users, but only happens
rarely when moderators are appointed or removed
"""
_clearRoleStatus(base_dir, 'moderator')
def _addRole(base_dir: str, nickname: str, domain: str,
roleFilename: str) -> None:
"""Adds a role nickname to the file.
This is a file containing the nicknames of accounts having this role
"""
domain = removeDomainPort(domain)
roleFile = base_dir + '/accounts/' + roleFilename
if os.path.isfile(roleFile):
# is this nickname already in the file?
with open(roleFile, 'r') as f:
lines = f.readlines()
for roleNickname in lines:
roleNickname = roleNickname.strip('\n').strip('\r')
if roleNickname == nickname:
return
lines.append(nickname)
with open(roleFile, 'w+') as f:
for roleNickname in lines:
roleNickname = roleNickname.strip('\n').strip('\r')
if len(roleNickname) < 2:
continue
if os.path.isdir(base_dir + '/accounts/' +
roleNickname + '@' + domain):
f.write(roleNickname + '\n')
else:
with open(roleFile, 'w+') as f:
accountDir = acctDir(base_dir, nickname, domain)
if os.path.isdir(accountDir):
f.write(nickname + '\n')
def _removeRole(base_dir: str, nickname: str, roleFilename: str) -> None:
"""Removes a role nickname from the file.
This is a file containing the nicknames of accounts having this role
"""
roleFile = base_dir + '/accounts/' + roleFilename
if not os.path.isfile(roleFile):
return
with open(roleFile, 'r') as f:
lines = f.readlines()
with open(roleFile, 'w+') as f:
for roleNickname in lines:
roleNickname = roleNickname.strip('\n').strip('\r')
if len(roleNickname) > 1 and roleNickname != nickname:
f.write(roleNickname + '\n')
def _setActorRole(actorJson: {}, roleName: str) -> bool:
"""Sets a role for an actor
"""
if not actorJson.get('hasOccupation'):
return False
if not isinstance(actorJson['hasOccupation'], list):
return False
# occupation category from www.onetonline.org
category = None
if 'admin' in roleName:
category = '15-1299.01'
elif 'moderator' in roleName:
category = '11-9199.02'
elif 'editor' in roleName:
category = '27-3041.00'
elif 'counselor' in roleName:
category = '23-1022.00'
elif 'artist' in roleName:
category = '27-1024.00'
if not category:
return False
for index in range(len(actorJson['hasOccupation'])):
occupationItem = actorJson['hasOccupation'][index]
if not isinstance(occupationItem, dict):
continue
if not occupationItem.get('@type'):
continue
if occupationItem['@type'] != 'Role':
continue
if occupationItem['hasOccupation']['name'] == roleName:
return True
statusNumber, published = getStatusNumber()
newRole = {
"@type": "Role",
"hasOccupation": {
"@type": "Occupation",
"name": roleName,
"description": "Fediverse instance role",
"occupationLocation": {
"@type": "City",
"url": "Fediverse"
},
"occupationalCategory": {
"@type": "CategoryCode",
"inCodeSet": {
"@type": "CategoryCodeSet",
"name": "O*Net-SOC",
"dateModified": "2019",
"url": "https://www.onetonline.org/"
},
"codeValue": category,
"url": "https://www.onetonline.org/link/summary/" + category
}
},
"startDate": published
}
actorJson['hasOccupation'].append(newRole)
return True
def setRolesFromList(actorJson: {}, rolesList: []) -> None:
"""Sets roles from a list
"""
# clear Roles from the occupation list
emptyRolesList = []
for occupationItem in actorJson['hasOccupation']:
if not isinstance(occupationItem, dict):
continue
if not occupationItem.get('@type'):
continue
if occupationItem['@type'] == 'Role':
continue
emptyRolesList.append(occupationItem)
actorJson['hasOccupation'] = emptyRolesList
# create the new list
for roleName in rolesList:
_setActorRole(actorJson, roleName)
def getActorRolesList(actorJson: {}) -> []:
"""Gets a list of role names from an actor
"""
if not actorJson.get('hasOccupation'):
return []
if not isinstance(actorJson['hasOccupation'], list):
return []
rolesList = []
for occupationItem in actorJson['hasOccupation']:
if not isinstance(occupationItem, dict):
continue
if not occupationItem.get('@type'):
continue
if occupationItem['@type'] != 'Role':
continue
roleName = occupationItem['hasOccupation']['name']
if roleName not in rolesList:
rolesList.append(roleName)
return rolesList
def setRole(base_dir: str, nickname: str, domain: str,
role: str) -> bool:
"""Set a person's role
Setting the role to an empty string or None will remove it
"""
# avoid giant strings
if len(role) > 128:
return False
actorFilename = acctDir(base_dir, nickname, domain) + '.json'
if not os.path.isfile(actorFilename):
return False
roleFiles = {
"moderator": "moderators.txt",
"editor": "editors.txt",
"counselor": "counselors.txt",
"artist": "artists.txt"
}
actorJson = loadJson(actorFilename)
if actorJson:
if not actorJson.get('hasOccupation'):
return False
rolesList = getActorRolesList(actorJson)
actorChanged = False
if role:
# add the role
if roleFiles.get(role):
_addRole(base_dir, nickname, domain, roleFiles[role])
if role not in rolesList:
rolesList.append(role)
rolesList.sort()
setRolesFromList(actorJson, rolesList)
actorChanged = True
else:
# remove the role
if roleFiles.get(role):
_removeRole(base_dir, nickname, roleFiles[role])
if role in rolesList:
rolesList.remove(role)
setRolesFromList(actorJson, rolesList)
actorChanged = True
if actorChanged:
saveJson(actorJson, actorFilename)
return True
def actorHasRole(actorJson: {}, roleName: str) -> bool:
"""Returns true if the given actor has the given role
"""
rolesList = getActorRolesList(actorJson)
return roleName in rolesList
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