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feat(storage): implement proxy_range, enable_sign, disable_index and cache policies - #58

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feat(storage): implement storage-level proxy policy and align drivers with Go behavior

Summary / 摘要

本 PR 修复了存储级下载/代理配置在 TSWorker 后端全部失效的问题,并把四个此前只有数据库列与表单项、没有读取方的字段真正接入运行时,行为与 Go 版 OpenList 对齐。

问题背景web_proxywebdav_policydown_proxy_urldisable_proxy_signproxy_rangeenable_signdisable_indexcustom_cache_policies 这些字段在 TSWorker 中都能在后台填写、也能存入数据库,但后端没有任何代码读取它们。同时 server/raw.ts 用一段硬编码的驱动名单强制若干驱动走代理:

const needsProxy =
  isProxy ||
  normDriver === "webdav" ||
  normDriver === "sharepoint" ||
  normDriver === "onedrive" ||
  normDriver === "onedriveapp" ||
  normDriver === "weiyun" ||
  normDriver === "tencentweiyun"

因此 OneDrive 无论后台怎么配置都无法使用 302 直链,管理员在存储编辑页看到的所有代理选项实际上都是装饰。

用户可感知的行为变化

  • OneDrive / OneDriveAPP 默认改为 302 直链下载(对齐 Go 默认值 302_redirect)。此前被硬编码强制代理。如需保留代理行为,请将该存储的 webdav_policy 设为 native_proxy
  • web_proxywebdav_policydown_proxy_urldisable_proxy_sign 在后台的配置从此真实生效
  • 存储编辑表单新增四个字段:proxy_rangeenable_signdisable_indexcustom_cache_policies
  • 存储表单按驱动能力差异化显示:15 个仅代理驱动不再出现 302 选项;WebDav 的 web_proxy 默认勾选;proxy_range 仅对 Go 中声明 ProxyRangeOption 的驱动显示。
  • /fs/list 对开启 disable_index 的存储返回 403 {"message":"Index is disabled for this storage"}
  • /fs/list 响应新增 cache_expiration 字段(路径级缓存策略计算后的分钟数)。

重要实现变化

  • 新增 internal/driver/proxy.ts:统一的下载模式决策与驱动代理能力注册表,对齐 Go 的 Config.MustProxy() / Config.DefaultProxy() / ShouldProxy()
  • 新增 internal/driver/storageopts.ts:解析 proxy_range / enable_sign / disable_index / cache_expiration / custom_cache_policies 并提供 glob 匹配与缓存时长合成。
  • server/raw.ts:用 resolveProxyDecision() 替换硬编码驱动名单;抽出 proxyUpstream();实现 use_proxy_url(含 $path 替换与运行时补签)。
  • server/admin.ts:新增 buildProxyFields() 复刻 Go internal/op/driver.go 的表单分支规则。
  • pkg/sign.tsisEncryptPath 增加存储级签名分支,判定顺序为「存储 enable_sign → meta 密码」。
  • 修复 getDownProxyUrl():此前只读 storage.addition,而表单把 down_proxy_url 写在存储行顶层,导致 use_proxy_url 永远取不到值。

配置 / 存储 / API 变化

  • 无数据库 schema 变更:所用列均已存在,本 PR 仅补上读取方。

  • /fs/list 响应为向后兼容的增量变更(新增 cache_expiration,且开启 disable_index 时会新增 403 分支)。

  • 新增 19 个单元测试。

  • This PR has breaking changes.
    / 此 PR 包含破坏性变更。

  • This PR changes public API, config, storage format, or migration behavior.
    / 此 PR 修改了公开 API、配置、存储格式或迁移行为。

  • This PR requires corresponding changes in related repositories.
    / 此 PR 需要关联仓库同步修改。

关于兼容性:本 PR 不含破坏性变更,但存在行为变更——OneDrive 系列的默认下载模式由「强制代理」变为「302 直链」。这与 Go 版一致,但会改变既有 OneDrive 存储的实际表现:存量存储没有 webdav_policy 值,将解析为 302_redirect。若某些挂载依赖代理(例如直链在受限租户下不可用),请显式设置 webdav_policy = native_proxy。该行为变更已在下方「Testing」中说明,建议在 release note 中提示用户。

Related repository PRs / 关联仓库 PR:

  • OpenList: N/A(本 PR 为对齐 Go 版既有行为,无需 Go 侧改动)
  • OpenList-Docs:

Related Issues / 关联 Issue

Relates to #51

说明:本 PR 不修复 #51 的根因。enable_sign 会走 getJwtSecret,而 readPersistedSecret 只探测 KV、没有 D1 分支,因此在 D1 多实例部署下仍会遇到签名密钥不稳定。enable_sign=false 可作为临时绕过手段,但密钥持久化需要单独修复。

Testing / 测试

  • go test ./...(本项目为 TypeScript,不适用;替代命令见下)
  • Manual test / 手动测试:

本项目使用的等价命令:

npx tsc --noEmit -p tsconfig.json        # 类型检查:exit 0,无错误
node --import tsx --test "src/backend/**/*.test.ts"

测试结果:197 个测试,193 通过

其中 4 个失败为既有问题,与本 PR 无关(已逐项确认未引用本 PR 涉及的任何代码):

  • server/default_credentials.test.ts — 默认凭据 SHA-256 重置
  • server/seed.test.ts — casmeta 字段名

新增 internal/driver/storageopts.test.ts(19 个用例),覆盖:

  • proxy_range:显式 true/false、未配置时回退驱动默认值、显式值优先于驱动默认
  • enable_sign / disable_index:字符串与布尔两种存储形式
  • custom_cache_policies:JSON 数组、对象映射、max_age 别名、非法输入不抛错
  • glob 匹配:* 不跨目录分隔符、** 可跨、? 通配
  • 缓存时长合成:命中覆盖、未命中用基础值、值为 0 表示不缓存、多规则最后一条优先、非法/负数回退默认
  • 代理决策协同:默认驱动走 302、开启代理后 proxy_range 决定是否透传 Range、down_proxy_url 多写法解析

未做的验证:未在真实 Cloudflare Workers / EdgeOne 环境跑端到端下载。use_proxy_url 的运行时补签路径、以及 Range 透传在中转场景下的实际表现建议在合并前手动回归。产物需重新执行 node scripts/build-edge.mjs 生成。

Checklist / 检查清单

  • I have read CONTRIBUTING.
    / 我已阅读 CONTRIBUTING
  • I confirm this contribution follows the repository license, contribution policy, and code of conduct.
    / 我确认此贡献符合仓库许可证、贡献规范和行为准则。
  • I have formatted the changed code with gofmt, go fmt, or prettier where applicable.
    / 我已按适用情况使用 gofmtgo fmtprettier 格式化变更代码。
  • I have requested review from relevant maintainers or code owners where applicable.
    / 我已在适用情况下请求相关维护者或代码所有者审查。

AI Disclosure / AI 使用声明

  • This PR includes AI-assisted content.
    / 此 PR 包含 AI 辅助内容。

Tools used / 使用工具:

  • ChatGPT
  • Codex
  • GitHub Copilot
  • Claude
  • Gemini
  • Other (please specify) / 其他(请注明): CodeBuddy (DeepSeek-V4.1-Flash)

Usage scope / 使用范围:

  • Code generation / 代码生成

  • Refactoring / 重构

  • Documentation / 文档

  • Tests / 测试

  • Translation / 翻译

  • Review assistance / 审查辅助

  • I have reviewed and validated all AI-assisted content included in this PR.
    / 我已审核并验证此 PR 中的所有 AI 辅助内容。

  • I have ensured that all AI-assisted commits include Co-Authored-By attribution.
    / 我已确保所有 AI 辅助提交都包含 Co-Authored-By 归属信息。

  • I can reproduce all AI-assisted content included in this PR without any AI tools.
    / 我可以在没有任何 AI 工具的情况下重现此 PR 中包含的所有 AI 辅助内容。

待办:当前两个提交尚未包含 Co-Authored-By 归属信息。如需满足上述第 2 条,请在合并前补上:

# 方式一:为最新提交追加归属
git commit --amend -m "$(git log -1 --pretty=%B)" -m "Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>"

# 方式二:两个提交都补(推荐,需 rebase)
git rebase -i origin/main   # 对两个提交分别执行 edit,逐个 amend 后 --continue
git push --force-with-lease

Implementation Notes / 实现说明

决策顺序(对齐 Go)

resolveProxyDecision() 的判定顺序与 Go 的优先级一致:

顺序 条件 结果 来源标记
1 驱动强制代理(MustProxy native_proxy force
2 存储 web_proxy = true native_proxy web_proxy
3 请求命中 /p/sd 等代理前缀 native_proxy proxy_path
4 存储 webdav_policy 已配置 按配置值 storage_policy
5 驱动默认(PreferProxy,如 WebDav) native_proxy driver_default
6 兜底 302_redirect driver_default

第 3 项保留了原有的 isProxy 路径判断作为显式入参,确保 /p 端点行为不发生回归。

驱动表单分支(对齐 Go internal/op/driver.go

  • 15 个 only_proxy: true 驱动(123Pan、BaiduNetdisk、115Open、WeiYun、Terabox、Mega_nz、123PanShare、SFTP、FTP、SMB、Crypt、Virtual、Strm、ProtonDrive、189Cloud):策略选项为 use_proxy_url,native_proxy,默认 native_proxy不提供 302
  • WebDavweb_proxy 默认 true,策略默认 native_proxy(对应 Go PreferProxy: true
  • Onedrive / OnedriveAPP:默认 302_redirect
  • proxy_range:仅对 Go 中声明 ProxyRangeOption: true 的 4 个驱动开放(139Yun、Alias、AListV3、OpenList),其中 139Yun 默认 true(对应 Go 的 d.ProxyRange = true

use_proxy_url 的签名处理

down_proxy_url 模板由管理员配置、不携带实例密钥,因此无法在模板中预置签名。本 PR 在运行时判定:当目标地址指向本站(相对路径或同 host)且未设置 disable_proxy_sign 时,自动补上 sign 查询参数,避免代理端点因缺少签名被拒。构造出的 URL 仍会经过 assertSafeUrl 做 SSRF 校验。

已知限制

custom_cache_policies 目前只在 /fs/list 响应中回传计算结果,并未真正改变对象缓存的读写行为——TSWorker 的缓存层尚无「按路径取过期时长」的入口。要做到 Go 那样真正影响缓存,需要接入缓存层,属后续独立工作。

Commits / 提交

  • 1d9debcfeat(proxy): align OneDrive and other drivers with Go 302/proxy policy
  • da7a563feat(storage): implement proxy_range, enable_sign, disable_index and cache policies
10 files changed, 1319 insertions(+), 167 deletions(-)

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PIKACHUIM and others added 9 commits September 18, 2026 10:46
Storage-level web_proxy / webdav_policy / down_proxy_url were previously form-only fields with no backend reader, so OneDrive could never use 302 regardless of configuration (raw.ts hardcoded a proxy list).

Add internal/driver/proxy.ts mirroring Go Config.MustProxy()/DefaultProxy() and ShouldProxy(), with decision order: driver force-proxy > storage web_proxy > /p|/sd path > storage webdav_policy > driver preferProxy > 302_redirect.

raw.ts now resolves the mode via resolveProxyDecision(), keeps the explicit isProxy path input so /p never regresses, extracts the proxy block into proxyUpstream(), and implements use_proxy_url (down_proxy_url with \ substitution plus runtime sign, since Worker secrets cannot live in a stored template). SSRF validation still runs on the constructed URL.

admin.ts adds buildProxyFields() replicating Go op/driver.go: 15 only_proxy drivers no longer offer a 302 option, WebDav defaults to web_proxy=true and native_proxy, OneDrive family defaults to 302_redirect.

Note: OneDrive now defaults to 302. Existing OneDrive storages have no webdav_policy and therefore resolve to 302_redirect; set webdav_policy=native_proxy to preserve previous proxying behavior. Run node scripts/build-edge.mjs to regenerate EdgeOne/Worker artifacts.
Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
…cache policies

These four storage-level options existed as DB columns and form fields but had no backend reader, so they silently did nothing.

proxy_range (aligns with Go Config.ProxyRangeOption): controls whether the client Range header is forwarded when proxying. true forwards Range for seeking/resume; false drops it for upstreams that reject Range. Exposed only for the drivers that declare it in Go (139Yun, Alias, AListV3), with 139Yun defaulting to true to match d.ProxyRange. The 412-only retry is widened to also cover the case where upstream ignores Range and returns 200 without Content-Range.

enable_sign (aligns with Go common.IsStorageSignEnabled): per-storage signature enforcement, evaluated before the meta password branch in needDownloadSign, so a storage can require signed links without a global sign_all.

disable_index (aligns with Go handles.FsList): /fs/list returns 403 for storages that opt out of directory listing, preventing shared files from being browsed level by level.

custom_cache_policies (aligns with Go path-level cache policies): parses JSON arrays, object maps and 'path:minutes' fallbacks, matches with glob support (*, ?, **) where * does not cross directory separators, and lets the last matching rule win. resolveCacheExpiration() returns the effective minutes and is surfaced as cache_expiration in the /fs/list response.

Also fixes getDownProxyUrl(), which only read storage.addition and therefore never saw the top-level down_proxy_url field the admin form actually writes.

Adds 19 unit tests covering all four options plus glob matching and the proxy_range/proxy interplay.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
…n interactions

Addresses review findings on the storage proxy policy PR.

P1 (real bug, worse than reported): matchGlob() translated globs into regex, so a pattern with several wildcards became adjacent greedy quantifiers. Measured cost for a single match was 508 seconds of CPU - a DoS reachable from a storage cache rule alone. The reviewer described this as recursion without a depth limit; the function never recursed, so a depth cap would not have helped. Replaced the regex with segment-based dynamic programming: a component made only of 2+ stars matches zero or more path segments, other components match within one segment using an iterative two-pointer scan. This is O(segments x segments), has no recursion and no exponential backtracking, and aligns with doublestar.Match semantics used by Go. Also fixed the single-star crossing guard, which previously let /a/*/b match /a/x/y/b.

P1 (test gap): extracted the upstream request logic into server/proxy_request.ts (header construction, Range fallback decision, Content-Type fallback, Content-Disposition sanitisation) so the Range/signature interactions are testable without a Hono context. Added 17 tests covering: proxy_range on/off, that signatures live on the URL and never need recomputing when Range is dropped, that the 412 and ignored-Range retries preserve driver headers such as Authorization, that 206 and 200-with-Content-Range do not trigger a retry, and that 404/500 never do.

P2: documented the driver capability mapping in proxy.ts, including which Go meta.go each driver comes from, and made admin.ts import PROXY_RANGE_DRIVERS/proxyRangeDefaultFor from there instead of keeping a second copy.

Full suite now runs in 4.5s (was 511s) with 223 tests, 220 passing; the 3 failures are pre-existing and unrelated (default credential hashing, CAS seed codec).

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
…ative proxy

EdgeOne Cloud Functions cap the request/response body of a function invocation at 6 MiB and answer 413 CLOUD_FUNCTION_PAYLOAD_TOO_LARGE at the gateway, before the request reaches the app. A native proxy download of a larger file therefore never runs: its CORS headers, Range handling and error reporting are all skipped, and the user only sees the platform error page. This is the direct cause of the reported EdgeOne + OneDrive 413: OneDrive used to be in the hardcoded force-proxy list, and removing it only fixed the default case, so every remaining proxy path (web_proxy, /p, webdav_policy=native_proxy, PreferProxy and MustProxy drivers) could still push a whole file through the function.

server/proxy_request.ts now owns the limit and the decision. DEFAULT_EDGEONE_PAYLOAD_LIMIT (6 MiB) is assumed when the runtime looks like EdgeOne (EDGEONE, EO_REGION or a global EdgeOne object); other platforms stay unlimited. getProxyPayloadLimit() and getProxyOverflowPolicy() read RAW_PROXY_MAX_BYTES (0 disables the guard for self-hosted deployments) and RAW_PROXY_OVERFLOW (redirect by default, error to refuse instead of exposing a direct link).

decideProxyPayloadAction() returns proxy, redirect or too-large. Over the limit, a URL the browser can fetch itself is degraded to 302 so the download still works, while a driver that cannot hand out a link (driverMustProxy, or a raw_url that needs Authorization/Cookie) gets a readable 413 explaining the platform limit instead of the EdgeOne error page. exceedsProxyPayloadLimit() compares the Range slice when proxy_range forwards it, so seeking and resume are unaffected; with proxy_range off, proxyUpstream() passes undefined because the upstream then returns the whole file. The Range-aware check also covers the two server-side byte-stream branches (driver.createReadStream and the local-file fallback), which have no 302 fallback.

Adds 14 tests in server/proxy_request.test.ts covering limit parsing, the boundary and Range cases, the three decisions, and the end-to-end chains through resolveProxyDecision() (web_proxy OneDrive degrades to 302; WebDAV with Authorization gets a readable 413). Full suite: 237 tests, 234 passing; the 3 failures are pre-existing (default credentials, CAS seed codec).

Run node scripts/build-edge.mjs to regenerate the EdgeOne/Worker artifacts.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
…roxy policy PR

Records commit 49091b7 in the PR notes: the EdgeOne 6 MiB function body limit, the three-way payload decision, the new RAW_PROXY_MAX_BYTES and RAW_PROXY_OVERFLOW variables, the 14 new tests, and refreshed suite numbers (237 tests, 234 passing).

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Review follow-up on PR #58. The payload limit was only checked against the size the client asked for, but shouldRetryWithoutRange() drops Range and retries, and an upstream that ignores Range answers 200 with the whole file. A 1 MiB range request could therefore still push a 500 MiB file through the function and hit the platform limit at the gateway. upstreamBodySize() now reads Content-Length (falling back to the Content-Range slice) and proxyUpstream() re-runs the decision on the real size after the Range negotiation, cancelling the upstream body and degrading to 302, or answering a readable 413 when no direct link can be handed to the browser. The signed URL is untouched, so the retry still needs no re-signing.

Adds 4 tests: upstreamBodySize parsing (Content-Length, Content-Range fallback, unknown, invalid), the full Range + signature + limit chain (412 retry then whole-file response degrades to 302), a normal 206 slice that must not degrade, and the auth-bound case that returns a readable 413. proxy_request.test.ts now has 33 tests; the full suite is 241 tests, 238 passing (the 3 failures are pre-existing: default credentials, CAS seed codec).

The other review points are already addressed on this branch: the glob DoS was fixed in 2e10dc7 (matchGlob is segment-based dynamic programming with length caps and no recursion, and a MAX_GLOB_DEPTH cap would reject legitimate patterns such as 200 consecutive double-star segments), and the driver capability to Go meta.go mapping is documented at the top of internal/driver/proxy.ts.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Adds a review-response table (P0 attribution done, P1 glob DoS and P2 doc mapping already fixed in 954ebff, P1 Range+signature tests extended in cb4051f), documents the post-Range-retry body size check, and refreshes the suite numbers to 241 tests / 238 passing with the new hashes after the attribution rewrite.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Self-review follow-up on the payload guard. The runtime probe only checked EDGEONE / EO_REGION / a global EdgeOne, but the documented marker for the EdgeOne Node cloud function (the SCF-backed function this 6 MiB limit actually applies to) is TENCENTCLOUD_SCF_FUNCTIONNAME, see internal/model/store/backend.ts. As written the guard would therefore never arm on the very runtime it was added for, silently leaving the web_proxy / /p / webdav_policy=native_proxy / MustProxy paths returning the platform 413 page. EDGEONE_BLOB and the global EdgeOne object cover the Blob and edge-function cases. __requestOrigin is deliberately NOT part of the probe: src/backend/index.ts injects it in the middleware on every platform, so using it would misclassify Cloudflare Workers and self-hosted deployments and degrade their large proxy downloads to 302 for no reason.

Also widens the private-header probe from an exact name list to an auth-semantics pattern (authorization / cookie / auth / token / secret / api-key / signature / session / credential / password) minus a browser-safe allowlist (User-Agent, Referer, Origin, Range, Content-* etc). All 33 raw_url_headers sites in the repository were checked: they only ever use Authorization, Cookie, User-Agent, Referer and Origin, so behaviour for existing drivers is unchanged, while a driver that switches to a name such as X-Emby-Token can no longer be handed to the browser as a redirect (which would surface the upstream 401 instead of the intended behaviour).

The 413 message no longer hardcodes EdgeOne as the cause of the limit, since it can equally come from a manually configured RAW_PROXY_MAX_BYTES (Vercel / ESA style caps), and it now points at that knob for tuning.

Adds 3 tests: detection via TENCENTCLOUD_SCF_FUNCTIONNAME and EDGEONE_BLOB, __requestOrigin must not count as an EdgeOne signal, and the header-name pattern (X-Emby-Token / X-Amz-Security-Token / X-Session-Id are private, UA / Referer / Origin / Content-Type are not). proxy_request.test.ts now has 36 tests; the full suite has no new failures (the 3 pre-existing ones are unchanged).

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Adds the self-review findings to the review-response table (EdgeOne detection, private-header matching, 413 wording), documents the runtime probe and why __requestOrigin is not used for it, and refreshes the suite numbers to 244 tests / 241 passing with proxy_request.test.ts at 36 tests.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
@PIKACHUIM
PIKACHUIM force-pushed the feat/storage-proxy-policy branch from 71f2436 to fbc028a Compare September 18, 2026 04:03
PIKACHUIM and others added 7 commits September 18, 2026 12:27
Comparing this branch against the Go backend found three divergences in the driver capability handling, all introduced by this PR.

1. DRIVER_FORCE_PROXY did not match Go MustProxy (OnlyProxy || NoLinkURL). It wrongly forced 123Pan, BaiduNetdisk, 115Open, 189Cloud and Terabox, which Go marks as PreferProxy or leaves unmarked, and it missed GoogleDrive, GooglePhoto, QuarkOpen, UC and ChaoXing, which Go does force. admin.ts carried a second copy of the same list with the same mistakes (its comment claimed Go drivers/123/meta.go has OnlyProxy, which it does not), so a storage could advertise mandatory proxying while the runtime handed out a 302, and the reverse. internal/driver/proxy.ts is now the single source of truth: admin.ts derives its form fields from it (22 call sites no longer pass only_proxy/prefer booleans), registerDriverProxyCapability() and the driver-side duplicate registrations are gone, together with isWebdav302 / isWebdavProxyURL / getAdditionOrder / proxyRangeDefaultFor, which nothing called.

2. PreferProxy is only a form default in Go (op/driver.go) and ShouldProxy never consults it. resolveProxyDecision() no longer force-proxies PreferProxy drivers at runtime; an unset web_proxy resolves to the driver default (effectiveWebProxy) and an explicit web_proxy=false is honoured again, as in Go.

3. proxy_range: the Go transparent proxy forwards client headers including Range (internal/net/serve.go ProcessHeader), and proxy_range only enables the driver RangeReader path. Forwarding Range is therefore the default here as well, and proxy_range=false is the opt-out for upstreams that refuse it, with shouldRetryWithoutRange() as the fallback.

4. Payload guard trim: drops the RAW_PROXY_OVERFLOW switch (no Go counterpart and no demand), and the private-header probe goes back to the exact set (Authorization / Cookie) now that the driver table is right - the repository has 33 raw_url_headers sites and only those two carry credentials a browser cannot supply.

5. Adds internal/driver/proxy.test.ts pinning the capability table to Go, and updates the storageopts/proxy_request tests to the new defaults. Full suite: 245 tests, 242 passing; the 3 failures are pre-existing.

Behaviour changes: a WebDav / 123Pan / BaiduNetdisk storage that explicitly set web_proxy=false now redirects instead of proxying; 115Open, 189Cloud, Terabox and 123PanShare can now use direct links; GoogleDrive, GooglePhoto, QuarkOpen, QuarkUC and ChaoXing are now force-proxied.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Documents the comparison against the Go backend in docs/pr-storage-proxy-policy.md: the corrected MustProxy and PreferProxy sets, the single source of truth for driver capabilities, the proxy_range default, the payload-guard trim, and the behaviour changes that follow. Refreshes the suite numbers to 245 tests / 242 passing.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Implements the remaining Go proxy behaviours on top of the capability alignment.

proxy_types (default m3u8,url, Go default): files with those extensions are always proxied - they contain relative references that only resolve through the server (Go ShouldProxy third condition). Applies to /d, /sd and /p.

/p gate (Go canProxy): a request is only allowed when MustProxy || web_proxy || webdav_policy=use_proxy_url || proxy_types || text_types, otherwise 403 proxy not allowed. /d and /sd stay unrestricted, matching Go. The WebDAV protocol endpoint (/dav/*) now picks /api/p or /api/d with the same predicate so WebDAV clients cannot run into the 403.

text_types: default aligned with Go plus the TSWorker entries (union), and installations that still carry the old default are migrated by LEGACY_SETTING_MIGRATIONS, so subtitle, lyric and README previews keep working through /p.

proxy_ignore_headers (default authorization,referer): filters the client-derived headers we forward (Range and the fallback User-Agent); driver-declared headers are unaffected, as in Go where client headers are filtered first and driver overrides are applied afterwards. TS deliberately forwards only those few headers instead of every client header, so a client Cookie or Authorization is never relayed to a third-party upstream.

bunny_storage: runtime capability aligned with Go - a storage with storage_zone_name but no cdn_base_url is treated as MustProxy (only the Storage API is readable then), with a CDN it behaves like a normal driver. local joins the MustProxy set (Go marks it OnlyProxy) so the /p gate keeps allowing local files.

Tests: proxy.test.ts (extension parsing, proxy_types decision, canUseProxyEndpoint matrix, bunny condition), proxy_request.test.ts (ignore list), new proxy_endpoint_gate.test.ts (route level 403, no network). Full suite 253 tests, 250 passing; the 3 failures are pre-existing.

Behaviour changes: .m3u8 and .url downloads now proxy on /d; /p answers 403 for storages that neither proxy nor carry text or proxy extensions; the default text_types list gains md, vtt, srt, ass, lrc, strm, gitignore and friends.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
Adds the new section on proxy_types / text_types / the /p admission check / proxy_ignore_headers / the bunny_storage runtime condition, updates the Go alignment table now that those features are implemented, and refreshes the suite numbers to 253 tests / 250 passing.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
…licy

# Conflicts:
#	src/backend/internal/model/db.ts
#	src/backend/server/raw.ts
The tracked EdgeOne bundle was stale: it did not contain the storage proxy policy changes (platform payload limit guard, the /p admission gate, proxy_types / text_types / proxy_ignore_headers, the bunny_storage runtime condition). Regenerated with scripts/build-edge.mjs so a deployment from this branch actually runs the new code.

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
…erge

Records the merge commit (db.ts unsealDb / raw.ts download-path conflicts, both resolved in favour of main plus this PR's /p endpoint check), the refreshed EdgeOne artifact, and the post-merge baseline: 276 tests / 271 passing, whose 5 failures are identical to a clean origin/main run (200 tests / 195 passing / 5 failing).

Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>

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🙏 感谢 @PIKACHUIM 的积极迭代!
🤖 AI 自动审核声明:本评审报告由 AI 自动生成,当前使用 Claude Opus 5 模型进行分析。
⚠️ AI 分析结果仅供参考,可能存在误判或遗漏。如您发现任何问题或有不同意见,欢迎随时提出讨论和纠正。
⚠️ 重要提醒:即使 AI 评审认为代码质量良好且建议合并,最终是否合并仍需由项目维护者进行人工判定。项目维护者会综合考虑代码质量、项目规划、技术方向、团队资源等多方面因素做出是否合并的决策。

🎯 增量评审结论

APPROVE — 所有 P0/P1/P2 问题已完全解决,架构设计与测试覆盖均达到生产级标准


📊 评审概览

初评 当前状态 处理情况
P0:Co-Authored-By 缺失 ❌ 2 个提交无归属 已修复 全部 16 个 commits 补上 Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
P1:glob 递归无深度限制 DoS ⚠️ 建议加深度限制 已彻底修复 重写 matchGlob() 为「动态规划」算法,消除正则指数回溯,支持 200 段 ** 无压力
P1:Range + 签名测试不足 ⚠️ 缺边界场景覆盖 已补全 新增 17 个测试(412 兜底、206 分片、签名重算等),cb4051f 追加二次校验 + 4 个用例
P2:驱动映射缺文档 📝 文档不足 已补充 internal/driver/proxy.ts 顶部补齐驱动 ↔ Go meta.go 完整映射表
P2:环境验证缺失 🔧 未真实部署 ⚠️ 仍需回归 PR description 明确说明,建议合并前在 EdgeOne/Cloudflare 环境手动端到端测试
自审修复:EdgeOne 运行时判据错误 🚨 6 MiB 守卫失效 已修复 47d70d3 改用 TENCENTCLOUD_SCF_FUNCTIONNAME + EDGEONE_BLOB,不再用 __requestOrigin
自审修复:私有头判定模糊 📋 头名字表过复杂 已改进 精化为精确名单(Authorization / Cookie)+ 对标 Go 的 33 处用法
自审修复:413 文案写死平台 ⚠️ 用户困惑 已改进 改为中性表述,并提示限制来源可能是 RAW_PROXY_MAX_BYTES

🔍 详细评审

1️⃣ P0:Co-Authored-By 归属信息 ✅ 已完全解决

初评问题:两个提交缺少 AI 协作者归属

当前处理

  • PR description 明确说明:「本分支的全部提交都已在提交信息中带上 Co-Authored-By: CodeBuddy <noreply@codebuddy.ai>
  • 通过 git cherry-pick + git commit --amend --trailer 重放补上,分支历史重写,16 个 commits 全部补齐
  • 符合项目 AI Disclosure 规范

2️⃣ P1:glob 递归无深度限制 DoS ✅ 已彻底修复,方案优于初评建议

初评问题matchGlob() 用正则转换导致指数回溯,恶意规则(**/**/**/**...)可能栈溢出

初评建议:加深度限制 MAX_GLOB_DEPTH = 10

当前处理954ebff 提交):

  • 彻底重写:弃用正则方案,改用「动态规划」无递归无指数回溯
  • 深度无限制:支持合法的 **/ 连续 200 段无压力,消除了初评建议的误伤风险
  • 性能大幅改进:实测恶意模式从 508 秒 CPU 降至毫秒级
  • 测试覆盖:新增耗时回归测试,含 200 段连续 ** 与恶意回溯模式

方案质量:超过初评预期,从「限流」升级为「算法优化」


3️⃣ P1:Range + 签名交互测试覆盖 ✅ 已补全,甚至超预期

初评问题

  • Range 请求 + 启用签名时,签名计算是否排除 Range 头?
  • 412 重试后上游回整份文件时,签名是否需重算?
  • 206 分片与签名 URL 交互未覆盖

当前处理

提交 改动 测试用例
954ebff 抽出 server/proxy_request.ts;实现 Range 透传与 412 重试逻辑 新增 17 个测试,覆盖 Range + 签名、412 重试、206 分片等
cb4051f 追加二次校验:前置判断用请求分片大小,但 412 重试后可能回整份文件,用 upstreamBodySize() 复核实际大小并降级 302 / 返回 413 新增 4 个测试,验证兜底重试的大小重算

核心逻辑

// 前置判断:按客户端请求分片大小决策
if (clientRangeSize > limit) -> 降级 302 或返回 413

// 412 兜底重试后追加复核
if (shouldRetryWithoutRange) {
  const actualSize = upstreamBodySize()  // Content-Length 或 Content-Range 分段
  if (actualSize > limit) -> 取消上游 body,降级 302 或返回 413
  // 206 分片与签名 URL 不受影响(签名绑定 URL,无需重算)
}

覆盖充分:初评建议的两个问题场景都有对应测试


4️⃣ P2:驱动映射缺文档注释 ✅ 已补充

初评问题:15 个驱动的能力分类硬编码,与 Go meta.go 对应关系未文档化

当前处理954ebff 提交):

internal/driver/proxy.ts 顶部新增完整映射表:

/**
 * 驱动代理能力表必须与 Go 各驱动的 meta.go 保持一致。
 * 
 * Go: `Config.MustProxy() = OnlyProxy || NoLinkURL`、`Config.DefaultProxy() = PreferProxy`。
 * 这张表同时驱动三处行为:
 *   1. 运行时下载模式(resolveProxyDecision)
 *   2. 原生代理的上限兜底能否降级为直链(isAuthBoundDownload)
 *   3. 后台表单字段(admin.ts 的 buildProxyFields)
 */

// MustProxy(OnlyProxy / NoLinkURL)驱动:
// WeiYun, SFTP, FTP, SMB, Crypt, Virtual, Strm, Mega_nz, ProtonDrive, Chunk,
// GoogleDrive, GooglePhoto, QuarkOpen, QuarkUC, ChaoXing

// PreferProxy 驱动:WebDav, 123Pan, BaiduNetdisk, ...

// 条件能力:bunny_storage(未绑定 CDN 时 MustProxy)

同时删除了 admin.ts 中的 registerDriverProxyCapability() 重复登记,唯一真相源改为 internal/driver/proxy.ts

文档完整,可追溯性强


5️⃣ P2:环境验证缺失 ⚠️ 仍需回归,但风险已降低

初评问题:未在真实 EdgeOne / Cloudflare 环境验证 use_proxy_url 与 Range 透传

当前处理

  • PR description 明确声明「未在真实 Cloudflare / EdgeOne 环境跑端到端下载」
  • 通过自审修复了多个运行时判据错误
    • ✅ EdgeOne 运行时判定改用 TENCENTCLOUD_SCF_FUNCTIONNAME + EDGEONE_BLOB(不再用 __requestOrigin),6 MiB 守卫现在能生效
    • ✅ 平台载荷上限保护的二次校验补齐,212 行补丁实现了原本可能遗漏的大小重算
    • ✅ 单元测试已覆盖 EdgeOne 限制、Range 412 兜底、签名重算等关键场景

⚠️ 建议:合并前务必在 EdgeOne Makers + 真实 OneDrive 存储上手动验证以下场景:

  1. 大文件(>6 MiB)下载能否成功降级 302
  2. 小文件(<6 MiB)走代理时能否携带签名
  3. 断点续传(Range + proxy_range=true)是否正常工作
  4. WebDAV 中转下载(含 Authorization)是否返回可读 413 而非平台错误页

6️⃣ 自审修复 1:EdgeOne 运行时判据错误 ✅ 已修复

问题(初评未发现):isEdgeOneRuntime() 的判据写错,6 MiB 守卫在 EdgeOne 上不生效

原始判据

EDGEONE || EO_REGION  // 这两个变量在 EdgeOne Node 云函数上不一定存在!

实际 EdgeOne 特征:运行在腾讯 SCF 上,平台会注入 TENCENTCLOUD_SCF_FUNCTIONNAME

修复47d70d3 提交):

isEdgeOneRuntime() {
  return (
    TENCENTCLOUD_SCF_FUNCTIONNAME !== undefined ||  // EdgeOne Node on SCF
    EDGEONE_BLOB !== undefined ||                   // EdgeOne Blob
    EDGEONE !== undefined                          // 保留向后兼容
  )
}

修复后 6 MiB 守卫能在目标平台正确触发


7️⃣ 自审修复 2:私有头判定精化 ✅ 已改进

问题(初评未深究):私有头判定过于复杂,可能误伤合法头或遗漏需要保护的头

迭代过程

  1. 47d70d3:先改成「鉴权语义模式 + 白名单」(复杂度上升)
  2. 最终方案:对标 Go 的实际用法,改为精确名单
    • Authorization / Cookie:鉴权类
    • User-Agent / Referer / Origin / Content-Type:不算私有(仓库内 33 处 raw_url_headers 的实际用法)

语义清晰,与 Go 版一致


8️⃣ 自审修复 3:413 文案改进 ✅ 已改进

问题(初评未涉及):413 错误文案把平台写死为 EdgeOne,用户可能困惑

修复:改为中性表述,并提示限制也可能来自 RAW_PROXY_MAX_BYTES

return {
  status: 413,
  body: `Proxy response too large (${prettyBytes(actualSize)} > ${prettyBytes(limit)}). ` +
        `Check platform limits or configure RAW_PROXY_MAX_BYTES.`
}

信息完整,用户可理解


📈 代码质量指标

指标 初评 当前 变化
Commits 2(缺归属) 16(全补上) ✅ +14,全部补齐 trailer
单元测试 19 个 40+ 个 ✅ 覆盖大幅扩展
关键测试 Range + 签名 缺失 17+4=21 个专项 ✅ 完全覆盖
glob 算法 正则(指数回溯) 动态规划 ✅ 性能 508s → ms 级
文档注释 硬编码无注释 完整映射表 ✅ 可追溯性强
自审修复 3 个(运行时判据、头判定、文案) ✅ 代码卫生度提升

🎯 新增功能亮点

除修复所有评审问题外,本次迭代还新增了多个 Go 版功能的对齐实现:

扩展名代理与 /p 准入控制(8454f76 提交)

  • proxy_types 默认 m3u8,url:命中扩展名一律由服务端代理
  • text_types/p 端点用它放行文本类预览(README、歌词、字幕等)
  • /p 准入检查:403 proxy not allowed
  • proxy_ignore_headers 默认 authorization,referer

驱动能力与表单差异化(23a957e 提交)

  • ✅ 删除误标的驱动(123Pan / BaiduNetdisk / 115Open / 189Cloud)
  • ✅ 补齐缺失的驱动(GoogleDrive / GooglePhoto / QuarkOpen / QuarkUC / ChaoXing)
  • bunny_storage 条件能力对齐(未绑 CDN 时强制代理)

平台载荷上限保护(EdgeOne 6 MiB)

  • ✅ 前置判断 + 二次校验(412 重试后复核实际大小)
  • ✅ 超限时降级 302 直链(若驱动允许)或返回可读 413
  • RAW_PROXY_MAX_BYTES 环境变量可配置

✅ 待处理清单

  • [P0] Co-Authored-By 归属补齐
  • [P1] glob 递归深度限制(改为算法优化)
  • [P1] Range + 签名交互测试补全
  • [P2] 驱动映射文档补充
  • [P2] 在真实 EdgeOne/Cloudflare 环境手动端到端验证(建议合并前执行

🎬 最终评价

这是一个从「需要修复问题」升级到「生产级高质量PR」的迭代过程

初评要点的处理

  • P0 问题彻底解决(全部归属补上)
  • P1 问题不仅修复,还通过算法优化达到「超预期」(glob 从 508s 优化到 ms 级)
  • P2 文档补齐,可追溯性强
  • 额外收获:自审发现 3 个隐藏 bug,全部修复

🚀 新增功能与对齐

  • 扩展名代理、/p 准入控制、驱动能力表、平台限制保护
  • 与 Go 版 OpenList 的行为逐项对齐(见 PR description 的「与 Go 版逐项对齐」表格)
  • 测试覆盖从 200 用例跳到 276 用例(271 通过)

📊 代码卫生

  • 无新增代码臭味
  • 注释完整,文档充分
  • 自审能力强(主动发现并修复 3 个运行时判据问题)

🎯 建议

  1. 强烈建议合并 — 代码质量达到生产级标准
  2. ⚠️ 合并前务必在 EdgeOne Makers 环境验证
    • 大文件降级 302 下载
    • Range + 代理中转
    • 签名 URL 补签
  3. 📝 Release Note 提示:OneDrive 系列默认改为 302 直链,若需代理请显式配置

本次增量评审结论:✅ APPROVE — 所有问题已完全解决,架构设计卓越,测试覆盖充分,强烈建议合并

@PIKACHUIM
PIKACHUIM merged commit 9dff074 into main Sep 18, 2026
2 of 3 checks passed
PIKACHUIM added a commit that referenced this pull request Sep 18, 2026
The only conflict was the generated EdgeOne artifact
(cloud-functions/[[default]].js), touched by both #58 on main and this branch.
Resolved the way this repository does it — rebuild from the merged source instead
of hand-merging a minified bundle: node scripts/build-edge.mjs.

No textual conflicts. src/backend/internal/model/db.ts auto-merged and keeps both
sides: main's injectable storeBackendLoader (from #53) plus this branch moving the
driver resolution inside the try block, so configuration errors (missing driver,
invalid driver x format pair) follow the same degradation path as read errors.

Verified after the merge:
- npx tsc --noEmit: clean
- test:189 20/20, test:drivers 111/111, test:store 11/11
- test:server 94/98 — the 4 failures are the pre-existing ones on main
  (2x Initialization, Security F-11, CAS codec)
- test:regress 39/40 — the remaining failure is this branch's own bug, not caused
  by the merge: scripts/_regress.mjs still calls getStoreConfigError(), which this
  branch replaced with getStoreConfigErrorDetail(). Left untouched here because
  the local working tree already carries that fix (uncommitted).

Artifact rebuild is reproducible: rebuilding at the pre-merge PR head (160a6d4)
with the frontend dist present in this workspace differs from the committed
artifact by exactly 2 asset-hash lines, so the bundle is a real build of the
merged tree rather than one side of the conflict.
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