k.denisov
5a7567849e
Off by default. With OCSB_DISPLAY=1 the sandbox gets only the Wayland socket and /dev/dri: the agent's windows (e.g. a Playwright browser) appear on the desktop, but a Wayland client cannot read other windows or inject input into them. X11 and the X cookie are never passed in.
161 lines
6.9 KiB
Bash
161 lines
6.9 KiB
Bash
# shellcheck shell=bash
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# Shared helpers: messages, project discovery, configuration, state paths.
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ocsb_die() {
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echo "opencode-sandbox: $*" >&2
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exit 1
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}
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ocsb_warn() { echo "⚠ $*" >&2; }
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ocsb_info() { echo "→ $*"; }
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# --- configuration ------------------------------------------------------------------------
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# Layers, later wins:
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# 1. defaults below
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# 2. ~/.config/opencode-sandbox/sandbox.conf (user, all projects)
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# 3. <project>/.opencode-sandbox/sandbox.conf (committed)
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# 4. <project>/.opencode-sandbox/local/sandbox.conf (git-ignored, personal)
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# 5. OCSB_<SETTING> from the environment (scalars only, one run)
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# Config files are bash: scalars and arrays. OCSB_PROJECT_DIR is already set when they load.
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OCSB_SCALARS=(
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OCSB_NAME OCSB_WEB_PORT OCSB_EGRESS_PORT OCSB_NETLOCK_GROUP OCSB_SANDBOX OCSB_PANEL
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OCSB_NOTIFICATIONS OCSB_TMP OCSB_DISPLAY OCSB_OPENCODE_BIN OCSB_ENV_FILE OCSB_KUBECONFIG OCSB_PASSWORD_FILE
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OCSB_WORKTREES_DIR OCSB_WT_PREFIX OCSB_WT_BASE OCSB_WT_SLUG_REGEX OCSB_DOCKER_GW
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OCSB_STATE_DIR OCSB_OPENCODE_CONFIG OCSB_EGRESS_BASE
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)
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OCSB_ARRAYS=(OCSB_RW OCSB_RW_HOME OCSB_HIDE OCSB_HIDE_HOME OCSB_SKILLS OCSB_SKILL_DIRS OCSB_PLUGINS OCSB_ENV)
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ocsb_defaults() {
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OCSB_NAME="" # default: basename of the project directory
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OCSB_WEB_PORT=4196 # browser port (context panel); OpenCode itself listens on +1
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OCSB_EGRESS_PORT=3128 # squid port on 127.0.0.1 and the docker0 gateway
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OCSB_NETLOCK_GROUP=opencode-sandbox
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OCSB_SANDBOX=1 # bubblewrap; 0 = egress filter and netlock only
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OCSB_PANEL=1 # "Tokens" panel in the web UI (plugins/context-panel)
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OCSB_NOTIFICATIONS=1 # desktop notifications through a filtered D-Bus proxy
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OCSB_TMP=private # private: own /tmp in the state dir; shared: the host's /tmp
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OCSB_DISPLAY=0 # 1: windows on your desktop through the Wayland socket (no X11)
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OCSB_OPENCODE_BIN="" # default: `opencode` from PATH
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OCSB_ENV_FILE="" # KEY=VALUE file with tokens, exported to OpenCode
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OCSB_KUBECONFIG="" # kubeconfig for the agent (~/.kube/config stays hidden)
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OCSB_PASSWORD_FILE="" # web UI password; default: generated in the state dir
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OCSB_WORKTREES_DIR="" # default: <parent of project>/<project>-worktrees
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OCSB_WT_PREFIX="" # worktree directory = <prefix><slug>
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OCSB_WT_BASE="" # branch new worktrees start from; default: current HEAD
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OCSB_WT_SLUG_REGEX="" # ERE with one group: slug from the branch name
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OCSB_DOCKER_GW="" # default: address of docker0
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OCSB_STATE_DIR="" # default: ~/.local/share/opencode-sandbox/<name>
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OCSB_OPENCODE_CONFIG="" # global OpenCode config; default: user's or the package's
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OCSB_RW=() # extra paths the agent may write (relative to the project)
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# Home directories that stay writable for toolchains and caches (only if they exist)
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OCSB_RW_HOME=(.cache .npm .bun .bundle .gem .asdf .local/share/mise .cargo .rustup go
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.m2 .gradle .docker/buildx .kube/cache)
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OCSB_HIDE=() # extra paths hidden from the agent (relative to the project)
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# Hidden home paths: credentials of other tools, browsers, other agents
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OCSB_HIDE_HOME=(.gnupg .aws .azure .config/gcloud .kube/config .docker/config.json .netrc
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.git-credentials .config/gh/hosts.yml .password-store .local/share/keyrings .mozilla
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.config/google-chrome .config/chromium .config/BraveSoftware .claude .codex
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.config/opencode .local/share/opencode .Xauthority)
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OCSB_SKILLS=(opencode-sandbox) # skills mounted for the agent (names of skill directories)
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OCSB_SKILL_DIRS=() # extra directories to look for skills in
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OCSB_PLUGINS=(skill-compact-resurrect/skill-compact-resurrect.v2.ts) # files in plugins/
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OCSB_ENV=() # extra KEY=VALUE for OpenCode
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}
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ocsb_find_project() {
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local dir=${1:-$PWD}
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while [[ ${dir} != / ]]; do
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[[ -f ${dir}/.opencode-sandbox/sandbox.conf ]] && { echo "${dir}"; return 0; }
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dir=$(dirname "${dir}")
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done
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return 1
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}
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# ocsb_load_project [--optional]: find the project, load config layers, derive paths
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ocsb_load_project() {
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local optional=0 saved=() v f
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[[ ${1:-} == --optional ]] && optional=1
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for v in "${OCSB_SCALARS[@]}"; do
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[[ -n ${!v+x} ]] && saved+=("${v}=${!v}")
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done
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ocsb_defaults
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OCSB_PROJECT_DIR=""
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if [[ -n ${OCSB_PROJECT:-} ]]; then
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OCSB_PROJECT_DIR=$(cd "${OCSB_PROJECT}" && pwd)
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else
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OCSB_PROJECT_DIR=$(ocsb_find_project) || true
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fi
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if [[ -z ${OCSB_PROJECT_DIR} || ! -f ${OCSB_PROJECT_DIR}/.opencode-sandbox/sandbox.conf ]]; then
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[[ ${optional} == 1 ]] || ocsb_die "no .opencode-sandbox/sandbox.conf here or above (run: opencode-sandbox init)"
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fi
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export OCSB_PROJECT_DIR
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for f in "${XDG_CONFIG_HOME:-${HOME}/.config}/opencode-sandbox/sandbox.conf" \
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${OCSB_PROJECT_DIR:+"${OCSB_PROJECT_DIR}/.opencode-sandbox/sandbox.conf"} \
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${OCSB_PROJECT_DIR:+"${OCSB_PROJECT_DIR}/.opencode-sandbox/local/sandbox.conf"}; do
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# shellcheck disable=SC1090
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[[ -f ${f} ]] && source "${f}"
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done
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for v in "${saved[@]}"; do
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printf -v "${v%%=*}" '%s' "${v#*=}"
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done
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ocsb_derive
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}
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ocsb_derive() {
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local base
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base=$(basename "${OCSB_PROJECT_DIR:-default}")
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OCSB_NAME=${OCSB_NAME:-${base}}
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OCSB_NAME=$(printf '%s' "${OCSB_NAME}" | tr -c 'a-zA-Z0-9_.-' '-' | tr '[:upper:]' '[:lower:]')
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OCSB_STATE_DIR=${OCSB_STATE_DIR:-${XDG_DATA_HOME:-${HOME}/.local/share}/opencode-sandbox/${OCSB_NAME}}
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if [[ -n ${OCSB_PROJECT_DIR} ]]; then
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OCSB_WORKTREES_DIR=${OCSB_WORKTREES_DIR:-$(dirname "${OCSB_PROJECT_DIR}")/${base}-worktrees}
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OCSB_WORKTREES_DIR=$(ocsb_abs "${OCSB_WORKTREES_DIR}")
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fi
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if [[ -z ${OCSB_DOCKER_GW} ]]; then
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OCSB_DOCKER_GW=$(ip -4 -o addr show docker0 2>/dev/null | awk '{print $4}' | cut -d/ -f1 | head -1)
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OCSB_DOCKER_GW=${OCSB_DOCKER_GW:-172.17.0.1}
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fi
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OCSB_CONTAINER="opencode-sandbox-egress-${OCSB_NAME}"
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OCSB_IMAGE="opencode-sandbox-egress"
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}
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# Path relative to the project (or ~/..., or absolute) → absolute path
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ocsb_abs() {
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local p=$1
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# shellcheck disable=SC2088 # a literal "~" comes from config files
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case "${p}" in
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/*) ;;
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"~") p=${HOME} ;;
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"~/"*) p=${HOME}/${p#"~/"} ;;
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*) p=${OCSB_PROJECT_DIR}/${p} ;;
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esac
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realpath -m "${p}"
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}
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ocsb_print_config() {
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local v
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echo "# project: ${OCSB_PROJECT_DIR:-none}"
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for v in "${OCSB_SCALARS[@]}"; do
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printf '%s=%q\n' "${v}" "${!v}"
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done
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for v in "${OCSB_ARRAYS[@]}"; do
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local -n arr=${v}
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printf '%s=(' "${v}"
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[[ ${#arr[@]} -gt 0 ]] && printf ' %q' "${arr[@]}"
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printf ' )\n'
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unset -n arr
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done
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}
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# OpenCode binary: OCSB_OPENCODE_BIN (a path, relative to the project, or a command) or PATH
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ocsb_opencode_bin() {
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local b=${OCSB_OPENCODE_BIN:-opencode}
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if [[ ${b} == */* || ${b} == "~"* ]]; then
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ocsb_abs "${b}"
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else
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command -v "${b}" || true
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fi
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}
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