106 lines
3.4 KiB
Nim
106 lines
3.4 KiB
Nim
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import json
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import strutils
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import sets
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import libstatus/core
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import chronicles
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import ../eventemitter
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import sequtils
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type
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Permission* {.pure.} = enum
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Web3 = "web3",
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ContactCode = "contact-code"
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Unknown = "unknown"
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logScope:
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topics = "permissions-model"
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type
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PermissionsModel* = ref object
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events*: EventEmitter
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proc toPermission*(value: string): Permission =
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result = Permission.Unknown
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try:
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result = parseEnum[Permission](value)
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except:
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warn "Unknown permission requested", value
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proc newPermissionsModel*(events: EventEmitter): PermissionsModel =
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result = PermissionsModel()
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result.events = events
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proc init*(self: PermissionsModel) =
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discard
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type Dapp* = object
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name*: string
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permissions*: HashSet[Permission]
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proc getDapps*(self: PermissionsModel): seq[Dapp] =
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let response = callPrivateRPC("permissions_getDappPermissions")
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result = @[]
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for dapps in response.parseJson["result"].getElems():
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var dapp = Dapp(
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name: dapps["dapp"].getStr(),
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permissions: initHashSet[Permission]()
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)
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for permission in dapps["permissions"].getElems():
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dapp.permissions.incl(permission.getStr().toPermission())
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result.add(dapp)
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proc getPermissions*(self: PermissionsModel, dapp: string): HashSet[Permission] =
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let response = callPrivateRPC("permissions_getDappPermissions")
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result = initHashSet[Permission]()
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for dappPermission in response.parseJson["result"].getElems():
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if dappPermission["dapp"].getStr() == dapp:
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if not dappPermission.hasKey("permissions"): return
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for permission in dappPermission["permissions"].getElems():
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result.incl(permission.getStr().toPermission())
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proc revoke*(self: PermissionsModel, permission: Permission) =
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let response = callPrivateRPC("permissions_getDappPermissions")
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var permissions = initHashSet[Permission]()
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for dapps in response.parseJson["result"].getElems():
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for currPerm in dapps["permissions"].getElems():
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let p = currPerm.getStr().toPermission()
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if p != permission:
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permissions.incl(p)
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discard callPrivateRPC("permissions_addDappPermissions", %*[{
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"dapp": dapps["dapp"].getStr(),
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"permissions": permissions.toSeq()
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}])
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proc hasPermission*(self: PermissionsModel, dapp: string, permission: Permission): bool =
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result = self.getPermissions(dapp).contains(permission)
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proc addPermission*(self: PermissionsModel, dapp: string, permission: Permission) =
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var permissions = self.getPermissions(dapp)
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permissions.incl(permission)
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discard callPrivateRPC("permissions_addDappPermissions", %*[{
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"dapp": dapp,
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"permissions": permissions.toSeq()
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}])
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proc revokePermission*(self: PermissionsModel, dapp: string, permission: Permission) =
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var permissions = self.getPermissions(dapp)
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permissions.excl(permission)
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if permissions.len == 0:
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discard callPrivateRPC("permissions_deleteDappPermissions", %*[dapp])
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else:
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discard callPrivateRPC("permissions_addDappPermissions", %*[{
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"dapp": dapp,
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"permissions": permissions.toSeq()
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}])
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proc clearPermissions*(self: PermissionsModel, dapp: string) =
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discard callPrivateRPC("permissions_deleteDappPermissions", %*[dapp])
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proc clearPermissions*(self: PermissionsModel) =
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let response = callPrivateRPC("permissions_getDappPermissions")
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for dapps in response.parseJson["result"].getElems():
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discard callPrivateRPC("permissions_deleteDappPermissions", %*[dapps["dapp"].getStr()])
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