Implemented locks.
The main command to use is @lock, which accept three types of locks at the moment, and three types of keys: Locks: DefaultLock, UseLock, EnterLock Keys: ObjectIDs, Groups, Permissions This offers the most useful functionality - stopping people from picking up things, blocking exits and stopping anyone from using an object. If the attributes lock_msg, use_lock_msg and enter_lock_msg are defined on the locked object, these will be used as error messages instead of a standard one (so "the door is locked" instead of "you cannot traverse that exit"). Behind the scenes, there is a new module, src/locks.py that defines Keys and Locks. A Locks object is a collection of Lock types. This is stored in the LOCKS attribute on objects. Each Lock contains a set of Keys that might be of mixed type and which the player must match in order to pass the lock. /Griatch
This commit is contained in:
Griatch
parent
7f7306a6e4
commit
66095a0b16
7 changed files with 491 additions and 26 deletions
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@ -1,9 +1,11 @@
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"""
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These commands typically are to do with building or modifying Objects.
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"""
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from django.contrib.auth.models import Permission, Group
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from src.objects.models import Object, Attribute
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# We'll import this as the full path to avoid local variable clashes.
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import src.flags
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from src import locks
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from src import ansi
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from src.cmdtable import GLOBAL_CMD_TABLE
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from src import defines_global
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@ -445,7 +447,7 @@ def cmd_create(command):
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return
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eq_args = command.command_argument.split(':', 1)
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target_name = eq_args[0]
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target_name = eq_args[0].strip()
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#check if we want to set a custom parent
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script_parent = None
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@ -814,7 +816,7 @@ def cmd_dig(command):
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where you are.
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Usage:
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@dig[/switches] roomname [:parent] [= exitthere [: parent][;alias]] [, exithere [: parent][;alias]]
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@dig[/switches] roomname [:parent] [= exit_to_there [: parent][;alias]] [, exit_to_here [: parent][;alias]]
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switches:
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teleport - move yourself to the new room
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@ -829,7 +831,7 @@ def cmd_dig(command):
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switches = command.command_switches
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if not args:
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source_object.emit_to("Usage[/teleport]: @dig roomname [:parent][= exitthere [:parent] [;alias]] [, exithere [:parent] [;alias]]")
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source_object.emit_to("Usage: @dig[/teleport] roomname [:parent][= exit_to_there [:parent] [;alias]] [, exit_to_here [:parent] [;alias]]")
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return
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room_name = None
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@ -1158,3 +1160,148 @@ def cmd_destroy(command):
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GLOBAL_CMD_TABLE.add_command("@destroy", cmd_destroy,
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priv_tuple=("objects.create",),auto_help=True,staff_help=True)
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def cmd_lock(command):
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"""@lock
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Usage:
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@lock[/switch] <obj> [:type] [= <key>[,key2,key3,...]]
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switches:
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add - add a lock (default) from object
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del - remove a lock from object
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list - view all locks on object (default)
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type:
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DefaultLock - the default lock type (default)
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Locks an object for everyone except those matching the keys.
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The keys can be of the following types (and searched in this order):
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- a user #dbref (#2, #45 etc)
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- a Group name (Builder, Immortal etc, case sensitive)
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- a Permission string (genperms.get, etc)
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If no keys are given, the object is locked for everyone.
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When the lock blocks a user, you may customize which error is given by
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storing error messages in an attribute. For DefaultLocks, UseLocks and
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EnterLocks, these attributes are called lock_msg, use_lock_msg and
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enter_lock_msg respectively.
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<<TOPIC:lock types>>
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Lock types:
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Name: Affects: Effect:
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-----------------------------------------------------------------------
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DefaultLock: Exits: controls who may traverse the exit to
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its destination.
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Rooms: controls whether the player sees a failure
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message after the room description when
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looking at the room.
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Players/Things: controls who may 'get' the object.
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UseLock: All but Exits: controls who may use commands defined on
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the locked object.
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EnterLock: Players/Things: controls who may enter/teleport into
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the object.
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Fail messages echoed to the player are stored in the attributes 'lock_msg',
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'use_lock_msg' and 'enter_lock_msg' on the locked object in question. If no
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such message is stored, a default will be used (or none at all in some cases).
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"""
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source_object = command.source_object
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arg = command.command_argument
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switches = command.command_switches
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if not arg:
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source_object.emit_to("Usage: @lock[/switch] <obj> [:type] [= <key>[,key2,key3,...]]")
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return
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keys = ""
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#deal with all possible arguments.
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try:
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lside, keys = arg.split("=",1)
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except ValueError:
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lside = arg
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lside, keys = lside.strip(), keys.strip()
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try:
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obj_name, ltype = lside.split(":",1)
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except:
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obj_name = lside
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ltype = "DefaultLock"
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obj_name, ltype = obj_name.strip(), ltype.strip()
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if ltype not in ["DefaultLock","UseLock","EnterLock"]:
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source_object.emit_to("Lock type '%s' not recognized." % ltype)
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return
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obj = source_object.search_for_object(obj_name)
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if not obj:
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return
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obj_locks = obj.get_attribute_value("LOCKS")
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if "list" in switches or not switches:
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if not obj_locks:
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s = "There are no locks on %s." % obj.get_name()
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else:
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s = "Locks on %s:" % obj.get_name()
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s += obj_locks.show()
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source_object.emit_to(s)
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return
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# we are trying to change things. Check permissions.
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if not source_object.controls_other(obj):
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source_object.emit_to(defines_global.NOCONTROL_MSG)
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return
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if "del" in switches:
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# clear a lock
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if obj_locks:
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if not obj_locks.has_type(ltype):
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source_object.emit_to("No %s set on this object." % ltype)
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else:
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obj_locks.del_type(ltype)
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obj.set_attribute("LOCKS", obj_locks)
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source_object.emit_to("Cleared lock %s on %s." % (ltype, obj.get_name()))
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else:
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source_object.emit_to("No %s set on this object." % ltype)
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return
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else:
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#try to add a lock
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if not obj_locks:
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obj_locks = locks.Locks()
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if not keys:
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#add an impassable lock
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obj_locks.add_type(ltype, locks.Key())
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source_object.emit_to("Added impassable '%s' lock to %s." % (ltype, obj.get_name()))
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else:
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keys = [k.strip() for k in keys.split(",")]
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okeys, gkeys, pkeys = [], [], []
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allgroups = [g.name for g in Group.objects.all()]
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allperms = ["%s.%s" % (p.content_type.app_label, p.codename) for p in Permission.objects.all()]
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for key in keys:
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#differentiate different type of keys
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if Object.objects.is_dbref(key):
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okeys.append(key)
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elif key in allgroups:
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gkeys.append(key)
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elif key in allperms:
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pkeys.append(key)
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else:
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source_object.emit_to("Key '%s' is not recognized as a valid dbref, group or permission." % key)
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return
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# Create actual key objects from the respective lists
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keys = []
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if okeys:
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keys.append(locks.ObjKey(okeys))
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if gkeys:
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keys.append(locks.GroupKey(gkeys))
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if pkeys:
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keys.append(locks.PermKey(pkeys))
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#store the keys in the lock
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obj_locks.add_type(ltype, keys)
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kstring = ""
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for key in keys:
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kstring += " %s" % key
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source_object.emit_to("Added lock '%s' to %s with keys%s." % (ltype, obj.get_name(), kstring))
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obj.set_attribute("LOCKS",obj_locks)
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GLOBAL_CMD_TABLE.add_command("@lock", cmd_lock, priv_tuple=("objects.create",),auto_help=True, staff_help=True)
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