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import { describe, expect, test } from "bun:test"
import path from "path"
import { BashTool } from "../../src/tool/bash"
import { Instance } from "../../src/project/instance"
import { Permission } from "../../src/permission"
import { tmpdir } from "../fixture/fixture"
const ctx = {
sessionID: "test",
messageID: "",
callID: "",
agent: "build",
abort: AbortSignal.any([]),
metadata: () => {},
}
const projectRoot = path.join(__dirname, "../..")
describe("tool.bash", () => {
test("basic", async () => {
await Instance.provide({
directory: projectRoot,
fn: async () => {
const bash = await BashTool.init()
const result = await bash.execute(
{
command: "echo 'test'",
description: "Echo test message",
},
ctx,
)
expect(result.metadata.exit).toBe(0)
expect(result.metadata.output).toContain("test")
},
})
})
})
describe("tool.bash permissions", () => {
test("allows command matching allow pattern", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"echo *": "allow",
"*": "deny",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
const result = await bash.execute(
{
command: "echo hello",
description: "Echo hello",
},
ctx,
)
expect(result.metadata.exit).toBe(0)
expect(result.metadata.output).toContain("hello")
},
})
})
test("denies command matching deny pattern", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"curl *": "deny",
"*": "allow",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
await expect(
bash.execute(
{
command: "curl https://example.com",
description: "Fetch URL",
},
ctx,
),
).rejects.toThrow("restricted")
},
})
})
test("denies all commands with wildcard deny", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"*": "deny",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
await expect(
bash.execute(
{
command: "ls",
description: "List files",
},
ctx,
),
).rejects.toThrow("restricted")
},
})
})
test("more specific pattern overrides general pattern", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"*": "deny",
"ls *": "allow",
"pwd*": "allow",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
// ls should be allowed
const result = await bash.execute(
{
command: "ls -la",
description: "List files",
},
ctx,
)
expect(result.metadata.exit).toBe(0)
// pwd should be allowed
const pwd = await bash.execute(
{
command: "pwd",
description: "Print working directory",
},
ctx,
)
expect(pwd.metadata.exit).toBe(0)
// cat should be denied
await expect(
bash.execute(
{
command: "cat /etc/passwd",
description: "Read file",
},
ctx,
),
).rejects.toThrow("restricted")
},
})
})
test("denies dangerous subcommands while allowing safe ones", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"find *": "allow",
"find * -delete*": "deny",
"find * -exec*": "deny",
"*": "deny",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
// Basic find should work
const result = await bash.execute(
{
command: "find . -name '*.ts'",
description: "Find typescript files",
},
ctx,
)
expect(result.metadata.exit).toBe(0)
// find -delete should be denied
await expect(
bash.execute(
{
command: "find . -name '*.tmp' -delete",
description: "Delete temp files",
},
ctx,
),
).rejects.toThrow("restricted")
// find -exec should be denied
await expect(
bash.execute(
{
command: "find . -name '*.ts' -exec cat {} \\;",
description: "Find and cat files",
},
ctx,
),
).rejects.toThrow("restricted")
},
})
})
test("allows git read commands while denying writes", async () => {
await using tmp = await tmpdir({
git: true,
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"git status*": "allow",
"git log*": "allow",
"git diff*": "allow",
"git branch": "allow",
"git commit *": "deny",
"git push *": "deny",
"*": "deny",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
// git status should work
const status = await bash.execute(
{
command: "git status",
description: "Git status",
},
ctx,
)
expect(status.metadata.exit).toBe(0)
// git log should work
const log = await bash.execute(
{
command: "git log --oneline -5",
description: "Git log",
},
ctx,
)
expect(log.metadata.exit).toBe(0)
// git commit should be denied
await expect(
bash.execute(
{
command: "git commit -m 'test'",
description: "Git commit",
},
ctx,
),
).rejects.toThrow("restricted")
// git push should be denied
await expect(
bash.execute(
{
command: "git push origin main",
description: "Git push",
},
ctx,
),
).rejects.toThrow("restricted")
},
})
})
test("denies external directory access when permission is deny", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
external_directory: "deny",
bash: {
"*": "allow",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
// Should deny cd to parent directory (cd is checked for external paths)
await expect(
bash.execute(
{
command: "cd ../",
description: "Change to parent directory",
},
ctx,
),
).rejects.toThrow()
},
})
})
test("denies workdir outside project when external_directory is deny", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
external_directory: "deny",
bash: {
"*": "allow",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
await expect(
bash.execute(
{
command: "ls",
workdir: "/tmp",
description: "List /tmp",
},
ctx,
),
).rejects.toThrow()
},
})
})
test("handles multiple commands in sequence", async () => {
await using tmp = await tmpdir({
init: async (dir) => {
await Bun.write(
path.join(dir, "opencode.json"),
JSON.stringify({
permission: {
bash: {
"echo *": "allow",
"curl *": "deny",
"*": "deny",
},
},
}),
)
},
})
await Instance.provide({
directory: tmp.path,
fn: async () => {
const bash = await BashTool.init()
// echo && echo should work
const result = await bash.execute(
{
command: "echo foo && echo bar",
description: "Echo twice",
},
ctx,
)
expect(result.metadata.output).toContain("foo")
expect(result.metadata.output).toContain("bar")
// echo && curl should fail (curl is denied)
await expect(
bash.execute(
{
command: "echo hi && curl https://example.com",
description: "Echo then curl",
},
ctx,
),
).rejects.toThrow("restricted")
},
})
})
})