def clean(self):
import util2
self.type = self.prefix.split(":")[0].upper()
self.name = self.name.strip()
if self.isDoi:
if self.crossrefEnabled:
if self.datacenter != None:
raise django.core.exceptions.ValidationError({
"datacenter":
"Non-DataCite DOI shoulder has datacenter."
})
else:
if self.datacenter == None:
raise django.core.exceptions.ValidationError(
{"datacenter": "Missing datacenter."})
else:
if self.datacenter != None:
raise django.core.exceptions.ValidationError(
{"datacenter": "Non-DOI shoulder has datacenter."})
if self.crossrefEnabled:
raise django.core.exceptions.ValidationError({
"crossrefEnabled":
"Only DOI shoulders may be Crossref enabled."
})
self.isTest = util2.isTestIdentifier(self.prefix)
def cleanAgentPid(self):
# Checks applicable to agent PIDs only.
import config
import util2
if not self.isArk:
raise django.core.exceptions.ValidationError(
{"identifier": "Agent PID is not an ARK."})
if self.owner == None or self.owner.username != config.get(
"auth.admin_username"):
raise django.core.exceptions.ValidationError(
{"owner": "Agent PID is not owned by the EZID administrator."})
if not self.isPublic:
raise django.core.exceptions.ValidationError(
{"status": "Agent PID is not public."})
if self.exported:
raise django.core.exceptions.ValidationError(
{"exported": "Agent PID is exported."})
if self.target != self.defaultTarget:
raise django.core.exceptions.ValidationError(
{"target": "Agent PID has non-default target URL."})
# N.B.: the isTest field hasn't been computed yet.
if util2.isTestIdentifier(self.identifier):
raise django.core.exceptions.ValidationError(
{"identifier": "Agent PID is a test identifier."})
def authorizeCreate(user, prefix):
"""
Returns True if a request to mint or create an identifier is
authorized. 'user' is the requestor and should be an authenticated
StoreUser object. 'prefix' may be a complete identifier or just an
identifier prefix corresponding to a shoulder; in either case it
must be qualified, e.g., "doi:10.5060/".
"""
if util2.isTestIdentifier(prefix): return True
if any(map(lambda s: prefix.startswith(s.prefix), user.shoulders.all())):
return True
if any(authorizeCreate(u, prefix) for u in user.proxy_for.all()):
return True
# Note what's missing here: group and realm administrators get no
# extra identifier creation privileges.
if user.isSuperuser: return True
return False
def computeComputedValues(self):
import util2
self.isTest = util2.isTestIdentifier(self.identifier)