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import { createMemo, onCleanup } from "solid-js"
import { createStore, produce } from "solid-js/store"
import { createSimpleContext } from "@opencode-ai/ui/context"
import type { PermissionRequest } from "@opencode-ai/sdk/v2/client"
import { Persist, persisted } from "@/utils/persist"
import { useGlobalSDK } from "@/context/global-sdk"
import { useGlobalSync } from "./global-sync"
import { useParams } from "@solidjs/router"
import { base64Encode } from "@opencode-ai/util/encode"
import { decode64 } from "@/utils/base64"
type PermissionRespondFn = (input: {
sessionID: string
permissionID: string
response: "once" | "always" | "reject"
directory?: string
}) => void
function shouldAutoAccept(perm: PermissionRequest) {
return perm.permission === "edit"
}
function isNonAllowRule(rule: unknown) {
if (!rule) return false
if (typeof rule === "string") return rule !== "allow"
if (typeof rule !== "object") return false
if (Array.isArray(rule)) return false
for (const action of Object.values(rule)) {
if (action !== "allow") return true
}
return false
}
function hasPermissionPromptRules(permission: unknown) {
if (!permission) return false
if (typeof permission === "string") return permission !== "allow"
if (typeof permission !== "object") return false
if (Array.isArray(permission)) return false
const config = permission as Record<string, unknown>
if (isNonAllowRule(config.edit)) return true
if (isNonAllowRule(config.write)) return true
return false
}
export const { use: usePermission, provider: PermissionProvider } = createSimpleContext({
name: "Permission",
init: () => {
const params = useParams()
const globalSDK = useGlobalSDK()
const globalSync = useGlobalSync()
const permissionsEnabled = createMemo(() => {
const directory = decode64(params.dir)
if (!directory) return false
const [store] = globalSync.child(directory)
return hasPermissionPromptRules(store.config.permission)
})
const [store, setStore, _, ready] = persisted(
Persist.global("permission", ["permission.v3"]),
createStore({
autoAcceptEdits: {} as Record<string, boolean>,
}),
)
const MAX_RESPONDED = 1000
const RESPONDED_TTL_MS = 60 * 60 * 1000
const responded = new Map<string, number>()
const enableVersion = new Map<string, number>()
function pruneResponded(now: number) {
for (const [id, ts] of responded) {
if (now - ts < RESPONDED_TTL_MS) break
responded.delete(id)
}
for (const id of responded.keys()) {
if (responded.size <= MAX_RESPONDED) break
responded.delete(id)
}
}
const respond: PermissionRespondFn = (input) => {
globalSDK.client.permission.respond(input).catch(() => {
responded.delete(input.permissionID)
})
}
function respondOnce(permission: PermissionRequest, directory?: string) {
const now = Date.now()
const hit = responded.has(permission.id)
responded.delete(permission.id)
responded.set(permission.id, now)
pruneResponded(now)
if (hit) return
respond({
sessionID: permission.sessionID,
permissionID: permission.id,
response: "once",
directory,
})
}
function acceptKey(sessionID: string, directory?: string) {
if (!directory) return sessionID
return `${base64Encode(directory)}/${sessionID}`
}
function isAutoAccepting(sessionID: string, directory?: string) {
const key = acceptKey(sessionID, directory)
return store.autoAcceptEdits[key] ?? store.autoAcceptEdits[sessionID] ?? false
}
function bumpEnableVersion(sessionID: string, directory?: string) {
const key = acceptKey(sessionID, directory)
const next = (enableVersion.get(key) ?? 0) + 1
enableVersion.set(key, next)
return next
}
const unsubscribe = globalSDK.event.listen((e) => {
const event = e.details
if (event?.type !== "permission.asked") return
const perm = event.properties
if (!isAutoAccepting(perm.sessionID, e.name)) return
if (!shouldAutoAccept(perm)) return
respondOnce(perm, e.name)
})
onCleanup(unsubscribe)
function enable(sessionID: string, directory: string) {
const key = acceptKey(sessionID, directory)
const version = bumpEnableVersion(sessionID, directory)
setStore(
produce((draft) => {
draft.autoAcceptEdits[key] = true
delete draft.autoAcceptEdits[sessionID]
}),
)
globalSDK.client.permission
.list({ directory })
.then((x) => {
if (enableVersion.get(key) !== version) return
if (!isAutoAccepting(sessionID, directory)) return
for (const perm of x.data ?? []) {
if (!perm?.id) continue
if (perm.sessionID !== sessionID) continue
if (!shouldAutoAccept(perm)) continue
respondOnce(perm, directory)
}
})
.catch(() => undefined)
}
function disable(sessionID: string, directory?: string) {
bumpEnableVersion(sessionID, directory)
const key = directory ? acceptKey(sessionID, directory) : undefined
setStore(
produce((draft) => {
if (key) delete draft.autoAcceptEdits[key]
delete draft.autoAcceptEdits[sessionID]
}),
)
}
return {
ready,
respond,
autoResponds(permission: PermissionRequest, directory?: string) {
return isAutoAccepting(permission.sessionID, directory) && shouldAutoAccept(permission)
},
isAutoAccepting,
toggleAutoAccept(sessionID: string, directory: string) {
if (isAutoAccepting(sessionID, directory)) {
disable(sessionID, directory)
return
}
enable(sessionID, directory)
},
enableAutoAccept(sessionID: string, directory: string) {
if (isAutoAccepting(sessionID, directory)) return
enable(sessionID, directory)
},
disableAutoAccept(sessionID: string, directory?: string) {
disable(sessionID, directory)
},
permissionsEnabled,
}
},
})
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