fediseer/overseer/apis/v1/guarantees.py

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from overseer.apis.v1.base import *
from overseer.classes.instance import Guarantee, Endorsement
class Guarantors(Resource):
get_parser = reqparse.RequestParser()
get_parser.add_argument("Client-Agent", default="unknown:0:unknown", type=str, required=False, help="The client name and version.", location="headers")
get_parser.add_argument("csv", required=False, type=bool, help="Set to true to return just the domains as a csv. Mutually exclusive with domains", location="args")
get_parser.add_argument("domains", required=False, type=bool, help="Set to true to return just the domains as a list. Mutually exclusive with csv", location="args")
@api.expect(get_parser)
@cache.cached(timeout=10, query_string=True)
@api.marshal_with(models.response_model_model_Whitelist_get, code=200, description='Instances', skip_none=True)
@api.response(404, 'Instance not registered', models.response_model_error)
def get(self, domain):
'''Display all guarantees given by a specific domain
'''
self.args = self.get_parser.parse_args()
instance = database.find_instance_by_domain(domain)
if not instance:
raise e.NotFound(f"No Instance found matching provided domain. Have you remembered to register it?")
instance_details = []
for guaranteed in database.get_all_guaranteed_instances_by_guarantor_id(instance.id):
instance_details.append(guaranteed.get_details())
if self.args.csv:
return {"csv": ",".join([guaranteed["domain"] for guaranteed in instance_details])},200
if self.args.domains:
return {"domains": [guaranteed["domain"] for guaranteed in instance_details]},200
return {"instances": instance_details},200
class Guarantees(Resource):
get_parser = reqparse.RequestParser()
get_parser.add_argument("Client-Agent", default="unknown:0:unknown", type=str, required=False, help="The client name and version.", location="headers")
get_parser.add_argument("csv", required=False, type=bool, help="Set to true to return just the domains as a csv. Mutually exclusive with domains", location="args")
get_parser.add_argument("domains", required=False, type=bool, help="Set to true to return just the domains as a list. Mutually exclusive with csv", location="args")
@api.expect(get_parser)
@cache.cached(timeout=10, query_string=True)
@api.marshal_with(models.response_model_model_Whitelist_get, code=200, description='Instances', skip_none=True)
@api.response(404, 'Instance not registered', models.response_model_error)
def get(self, domain):
'''Display all instances guaranteeing for this domain
'''
self.args = self.get_parser.parse_args()
instance = database.find_instance_by_domain(domain)
if not instance:
raise e.NotFound(f"No Instance found matching provided domain. Have you remembered to register it?")
instance_details = []
for guarantor in database.get_all_guarantor_instances_by_guaranteed_id(instance.id):
instance_details.append(guarantor.get_details())
if self.args.csv:
return {"csv": ",".join([guarantor["domain"] for guarantor in instance_details])},200
if self.args.domains:
return {"domains": [guarantor["domain"] for guarantor in instance_details]},200
logger.debug(database.get_guarantor_chain(instance.id))
return {"instances": instance_details},200
put_parser = reqparse.RequestParser()
put_parser.add_argument("apikey", type=str, required=True, help="The sending instance's API key.", location='headers')
put_parser.add_argument("Client-Agent", default="unknown:0:unknown", type=str, required=False, help="The client name and version.", location="headers")
@api.expect(put_parser)
@api.marshal_with(models.response_model_simple_response, code=200, description='Endorse Instance')
@api.response(400, 'Bad Request', models.response_model_error)
@api.response(401, 'Invalid API Key', models.response_model_error)
@api.response(403, 'Instance Not Guaranteed or Tartget instance Guaranteed by others', models.response_model_error)
@api.response(404, 'Instance not registered', models.response_model_error)
def put(self, domain):
'''Endorse an instance
'''
self.args = self.put_parser.parse_args()
if not self.args.apikey:
raise e.Unauthorized("You must provide the API key that was PM'd to your overctrl.dbzer0.com account")
instance = database.find_instance_by_api_key(self.args.apikey)
if not instance:
raise e.NotFound(f"No Instance found matching provided API key and domain. Have you remembered to register it?")
if len(instance.guarantors) == 0:
raise e.Forbidden("Only guaranteed instances can guarantee others.")
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if len(instance.guarantors) >= 20 and instance.id != 0:
raise e.Forbidden("You cannot guarantee for more than 20 instances")
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unbroken_chain, chainbreaker = database.has_unbroken_chain(instance.id)
if not unbroken_chain:
raise e.Forbidden(f"Guarantee chain for this instance has been broken. Chain ends at {chainbreaker.domain}!")
target_instance = database.find_instance_by_domain(domain=domain)
if not target_instance:
raise e.BadRequest("Instance to endorse not found")
if database.get_guarantee(target_instance.id,instance.id):
return {"message":'OK'}, 200
gdomain = target_instance.get_guarantor_domain()
if gdomain:
raise e.Forbidden("Target instance already guaranteed by {gdomain}")
new_guarantee = Guarantee(
guaranteed_id=target_instance.id,
guarantor_id=instance.id,
)
db.session.add(new_guarantee)
# Guaranteed instances get their automatic first endorsement
new_endorsement = Endorsement(
approving_id=instance.id,
endorsed_id=target_instance.id,
)
db.session.add(new_endorsement)
db.session.commit()
pm_instance(target_instance.domain, f"Congratulations! Your instance has just been guaranteed by {instance.domain}. This also comes with your first endorsement.")
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orphan_ids = database.get_guarantee_chain(target_instance.id)
for orphan in database.get_instances_by_ids(orphan_ids):
pm_instance(orphan.domain, f"Phew! You guarantor chain has been repaired as {instance.domain} has guaranteed for {domain}.")
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orphan.unset_as_orphan()
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logger.info(f"{instance.domain} Guaranteed for {domain}")
return {"message":'Changed'}, 200
delete_parser = reqparse.RequestParser()
delete_parser.add_argument("apikey", type=str, required=True, help="The sending instance's API key.", location='headers')
delete_parser.add_argument("Client-Agent", default="unknown:0:unknown", type=str, required=False, help="The client name and version.", location="headers")
@api.expect(delete_parser)
@api.marshal_with(models.response_model_simple_response, code=200, description='Withdraw Instance Endorsement')
@api.response(400, 'Bad Request', models.response_model_error)
@api.response(401, 'Invalid API Key', models.response_model_error)
@api.response(404, 'Instance not registered', models.response_model_error)
def delete(self,domain):
'''Withdraw an instance guarantee
'''
self.args = self.delete_parser.parse_args()
if not self.args.apikey:
raise e.Unauthorized("You must provide the API key that was PM'd to your overctrl.dbzer0.com account")
instance = database.find_instance_by_api_key(self.args.apikey)
if not instance:
raise e.NotFound(f"No Instance found matching provided API key and domain. Have you remembered to register it?")
target_instance = database.find_instance_by_domain(domain=domain)
if not target_instance:
raise e.BadRequest("Instance from which to withdraw endorsement not found")
# If API key matches the target domain, we assume they want to remove the guarantee added to them to allow another domain to guarantee them
if instance.id == target_instance.id:
guarantee = instance.get_guarantee()
else:
guarantee = database.get_guarantee(target_instance.id,instance.id)
if not guarantee:
return {"message":'OK'}, 200
# Removing a guarantee removes the endorsement
endorsement = database.get_endorsement(target_instance.id,instance.id)
if endorsement:
db.session.delete(endorsement)
db.session.delete(guarantee)
db.session.commit()
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pm_instance(target_instance.domain,
f"Attention! You guarantor instance {instance.domain} has withdrawn their backing.\n\n"
"IMPORTANT: You are still considered guaranteed for the next 24hours, but you cannot further endorse or guarantee others."
"If you find a new guarantor then your guarantees will be reactivated!.\n\n"
"Note that if you do not find a guarantor within 7 days, all your endorsements will be removed."
)
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orphan_ids = database.get_guarantee_chain(target_instance.id)
for orphan in database.get_instances_by_ids(orphan_ids):
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pm_instance(orphan.domain, f"Attention! You guarantor chain has been broken because {instance.domain} has withdrawn their backing from {domain}.\n\nIMPORTANT: All your guarantees will be deleted unless the chain is repaired or you find a new guarantor within 24hours!")
orphan.set_as_oprhan()
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logger.info(f"{instance.domain} Withdrew guarantee from {domain}")
return {"message":'Changed'}, 200