diff --git a/internal/core/channels_vnc_test.go b/internal/core/channels_vnc_test.go index f0b21b4..137b6cf 100644 --- a/internal/core/channels_vnc_test.go +++ b/internal/core/channels_vnc_test.go @@ -1,6 +1,7 @@ package core import ( + "net/url" "strings" "testing" @@ -60,7 +61,36 @@ func TestChannelsVncStackEndToEnd(t *testing.T) { if sess["cdp_port"] == nil { t.Fatal("会话应带 CDP 端口(取凭据用)") } - t.Logf("VNC 栈已起: %s (CDP %v)", view, sess["cdp_port"]) + + // ★ noVNC 用 `new URL(path, location.href)` 解析 path(ui.js 的 connect()), + // 即**相对 vnc.html 所在目录**解析,默认值就是相对名 'websockify'。 + // 真实缺陷:传了站点根路径 ⇒ 路径被重复拼接,WebSocket 永远连不上, + // 页面看似白屏: + // .../proxy//api/plugins/http/channels/browser/proxy//websockify + // 本判据必须解析**产品自己给出的 URL**:我曾在验证时手拼 URL 并省掉 + // path 参数(默认值恰好正确)⇒ 否定了真实缺陷。 + u, perr := url.Parse(view) + if perr != nil { + t.Fatalf("view_url 不可解析: %v", perr) + } + q := u.Query() + wspath := q.Get("path") + if wspath == "" { + t.Fatal("view_url 必须显式声明 path=websockify:依赖 noVNC 隐式默认值" + + "会在 URL 形状变化时静默破裂") + } + if strings.HasPrefix(wspath, "/") { + t.Fatalf("path 必须是相对名(noVNC 相对 vnc.html 目录解析),"+ + "以 / 开头会被当相对路径而重复拼接,实得 %q", wspath) + } + resolved := u.ResolveReference(&url.URL{Path: wspath}) + pages := strings.TrimSuffix(u.Path, "/vnc.html") + if resolved.Path != pages+"/websockify" { + t.Fatalf("path 解析后应为 %q(同级 websockify),实得 %q —— 重复拼接即白屏根因", + pages+"/websockify", resolved.Path) + } + + t.Logf("VNC 栈已起: %s → WebSocket %s (CDP %v)", view, resolved.Path, sess["cdp_port"]) // 收尾:回收浏览器栈(测试不留孤儿进程) if _, err := ps.InvokeHandler("channels", "stop_browser", &lua.HandlerRequest{ diff --git a/internal/lua/adapter_opencodezen_live_test.go b/internal/lua/adapter_opencodezen_live_test.go new file mode 100644 index 0000000..a3184f5 --- /dev/null +++ b/internal/lua/adapter_opencodezen_live_test.go @@ -0,0 +1,213 @@ +package lua + +import ( + "bytes" + "encoding/json" + "fmt" + "io" + "net/http" + "os" + "os/exec" + "strings" + "testing" + "time" +) + +// 真上游 e2e:用适配器产出的头 + body 直打 opencode /inference/v1。 +// 需要真实凭据(从生产配置解密),故用 LLMSPROXY_LIVE_ZEN=1 显式开启。 +func TestOpencodeZenLiveE2E(t *testing.T) { + if os.Getenv("LLMSPROXY_LIVE_ZEN") != "1" { + t.Skip("设 LLMSPROXY_LIVE_ZEN=1 开启真上游 e2e") + } + src, err := bundledAdapters.ReadFile("adapters/opencodezen.lua") + if err != nil { + t.Fatal(err) + } + vm := NewVM(t.TempDir()) + defer vm.Stop() + if err := vm.LoadAdapterSource("opencodezen", string(src)); err != nil { + t.Fatal(err) + } + + // 取生产凭据(解密) + out, err := exec.Command("/usr/local/bin/llmsproxy", "-show-secrets", + "-config", "/etc/llmsproxy/config.yaml").Output() + if err != nil { + t.Fatal(err) + } + apiKey := "" + for _, l := range strings.Split(string(out), "\n") { + if strings.HasPrefix(l, "source localzen") { + if i := strings.Index(l, "api_key="); i >= 0 { + apiKey = strings.TrimSpace(l[i+len("api_key="):]) + } + } + } + if apiKey == "" { + t.Fatal("未取到 localzen 凭据") + } + + cases := []struct { + name string + body string + want string + }{ + {"纯对话(无 tools,靠适配器兜底注入)", + `{"model":"deepseek-v4.1-flash-free","stream":true,"max_tokens":60, + "messages":[{"role":"user","content":"reply with exactly: ADAPTER-OK"}]}`, "ADAPTER-OK"}, + {"带自定义 system", + `{"model":"deepseek-v4.1-flash-free","stream":true,"max_tokens":60, + "messages":[{"role":"system","content":"You are terse."},{"role":"user","content":"reply with exactly: SYS-OK"}]}`, "SYS-OK"}, + {"多轮", + `{"model":"deepseek-v4.1-flash-free","stream":true,"max_tokens":60, + "messages":[{"role":"user","content":"a"},{"role":"assistant","content":"b"},{"role":"user","content":"reply with exactly: MULTI-OK"}]}`, "MULTI-OK"}, + {"算术(验证真推理)", + `{"model":"deepseek-v4.1-flash-free","stream":true,"max_tokens":60, + "messages":[{"role":"user","content":"What is 17*23? Reply with just the number."}]}`, "391"}, + } + + for _, tc := range cases { + t.Run(tc.name, func(t *testing.T) { + body, err := vm.Transform("opencodezen", "transform_request", tc.body) + if err != nil { + t.Fatal(err) + } + h, err := vm.BuildHeaders("opencodezen", map[string]interface{}{ + "timestamp": time.Now().Unix(), "body": body, + }) + if err != nil { + t.Fatal(err) + } + req, _ := http.NewRequest("POST", + "https://opencode.ai/inference/v1/chat/completions", bytes.NewReader([]byte(body))) + for k, v := range h { + req.Header.Set(k, v) + } + req.Header.Set("Content-Type", "application/json") + req.Header.Set("Authorization", "Bearer "+apiKey) + cl := &http.Client{Timeout: 90 * time.Second} + resp, err := cl.Do(req) + if err != nil { + t.Fatal(err) + } + raw, _ := io.ReadAll(resp.Body) + resp.Body.Close() + if resp.StatusCode != 200 { + t.Fatalf("HTTP %d: %s", resp.StatusCode, string(raw)[:min(300, len(raw))]) + } + // 上游现在返回 SSE(适配器强制 stream=true);判据需自己拼 delta.content。 + got := "" + for _, line := range strings.Split(string(raw), "\n") { + line = strings.TrimSpace(line) + if !strings.HasPrefix(line, "data: ") { + continue + } + p := strings.TrimPrefix(line, "data: ") + if p == "[DONE]" { + continue + } + var d struct { + Choices []struct { + Delta struct{ Content string } `json:"delta"` + } `json:"choices"` + } + if json.Unmarshal([]byte(p), &d) != nil || len(d.Choices) == 0 { + continue + } + got += d.Choices[0].Delta.Content + } + if got == "" { + t.Fatalf("未从 SSE 解出内容;原始=%s", string(raw)[:min(300, len(raw))]) + } + if !strings.Contains(got, tc.want) { + t.Fatalf("回复 %q 不含 %q", got, tc.want) + } + t.Logf("✓ %s → %q", tc.name, strings.TrimSpace(got)) + }) + } + fmt.Println("真上游 e2e 全部通过") +} + +// 经适配器完整转换链:上游 SSE → transform_stream_chunk → 统一格式。 +// 上一条判据直接读原始 SSE,只证明"上游放行";这条证明"适配器能解析"。 +func TestOpencodeZenLiveStreamThroughAdapter(t *testing.T) { + if os.Getenv("LLMSPROXY_LIVE_ZEN") != "1" { + t.Skip("设 LLMSPROXY_LIVE_ZEN=1 开启") + } + src, err := bundledAdapters.ReadFile("adapters/opencodezen.lua") + if err != nil { + t.Fatal(err) + } + vm := NewVM(t.TempDir()) + defer vm.Stop() + if err := vm.LoadAdapterSource("opencodezen", string(src)); err != nil { + t.Fatal(err) + } + out, _ := exec.Command("/usr/local/bin/llmsproxy", "-show-secrets", + "-config", "/etc/llmsproxy/config.yaml").Output() + apiKey := "" + for _, l := range strings.Split(string(out), "\n") { + if strings.HasPrefix(l, "source localzen") { + if i := strings.Index(l, "api_key="); i >= 0 { + apiKey = strings.TrimSpace(l[i+len("api_key="):]) + } + } + } + + body, _ := vm.Transform("opencodezen", "transform_request", + `{"model":"deepseek-v4.1-flash-free","stream":true,"max_tokens":60, + "messages":[{"role":"user","content":"reply with exactly: CHAIN-OK"}]}`) + h, _ := vm.BuildHeaders("opencodezen", map[string]interface{}{ + "timestamp": time.Now().Unix(), "body": body}) + + req, _ := http.NewRequest("POST", + "https://opencode.ai/inference/v1/chat/completions", bytes.NewReader([]byte(body))) + for k, v := range h { + req.Header.Set(k, v) + } + req.Header.Set("Content-Type", "application/json") + req.Header.Set("Authorization", "Bearer "+apiKey) + resp, err := (&http.Client{Timeout: 90 * time.Second}).Do(req) + if err != nil { + t.Fatal(err) + } + raw, _ := io.ReadAll(resp.Body) + resp.Body.Close() + if resp.StatusCode != 200 { + t.Fatalf("HTTP %d: %s", resp.StatusCode, string(raw)[:min(300, len(raw))]) + } + + // 逐行喂给适配器的流解析器,累积统一格式的 content + joined := "" + n := 0 + for _, line := range strings.Split(string(raw), "\n") { + line = strings.TrimSpace(line) + if !strings.HasPrefix(line, "data: ") || line == "data: [DONE]" { + continue + } + // 内核喂给适配器的是**已剥掉 data: 前缀**的载荷(见 provider.go: + // strings.TrimPrefix(line, "data:")),判据必须对齐这个契约。 + payload := strings.TrimSpace(strings.TrimPrefix(line, "data:")) + unified, err := vm.Transform("opencodezen", "transform_stream_chunk", payload) + if err != nil { + t.Fatalf("transform_stream_chunk: %v (%s)", err, line[:min(120, len(line))]) + } + if unified == "" || unified == "{}" { + continue + } + var u struct { + Content string `json:"content"` + } + if json.Unmarshal([]byte(unified), &u) == nil { + joined += u.Content + n++ + } + } + if n == 0 { + t.Fatal("适配器未解出任何 chunk(流解析链断了)") + } + if !strings.Contains(joined, "CHAIN-OK") { + t.Fatalf("经适配器链的内容 %q 不含 CHAIN-OK(chunk 数=%d)", joined, n) + } + t.Logf("✓ 完整链:%d 个 chunk,内容=%q", n, strings.TrimSpace(joined)) +} diff --git a/internal/lua/adapter_opencodezen_test.go b/internal/lua/adapter_opencodezen_test.go new file mode 100644 index 0000000..25eb38d --- /dev/null +++ b/internal/lua/adapter_opencodezen_test.go @@ -0,0 +1,156 @@ +package lua + +import ( + "encoding/json" + "strings" + "testing" +) + +// E2E:加载改后的适配器,验证 (1) 头含两个 session 头且值相同;(2) id 段服从公式; +// (3) 无 tools 的请求被注入 read 桩且 properties 非空。 +func TestOpencodeZenAdapterE2E(t *testing.T) { + src, err := bundledAdapters.ReadFile("adapters/opencodezen.lua") + if err != nil { + t.Fatal(err) + } + vm := NewVM(t.TempDir()) + defer vm.Stop() + if err := vm.LoadAdapterSource("opencodezen", string(src)); err != nil { + t.Fatalf("加载失败: %v", err) + } + + t.Run("头:两个 session 头同值", func(t *testing.T) { + h, err := vm.BuildHeaders("opencodezen", map[string]interface{}{"timestamp": int64(1792065049)}) + if err != nil { + t.Fatal(err) + } + s1, s2 := h["x-opencode-session"], h["x-opencode-session-id"] + if s1 == "" || s2 == "" { + t.Fatalf("两个 session 头都必须存在: %#v", h) + } + if s1 != s2 { + t.Fatalf("必须同值: %q vs %q", s1, s2) + } + if !strings.HasPrefix(s1, "ses_") || len(s1) != 4+12+14 { + t.Fatalf("session 形状应为 ses_+12hex+14base62: %q (len=%d)", s1, len(s1)) + } + if len(h["x-opencode-request"]) != 4+12+14 || !strings.HasPrefix(h["x-opencode-request"], "msg_") { + t.Fatalf("request 形状: %q", h["x-opencode-request"]) + } + if !strings.Contains(h["User-Agent"], "opencode/1.19.0") { + t.Fatalf("UA 应为 1.19.0: %q", h["User-Agent"]) + } + t.Logf("session=%s request=%s", s1, h["x-opencode-request"]) + // 公式校验:段 = (K - bucket_ms*4096) & MASK,其中 bucket 已对齐到整分钟 + // (适配器按分钟桶取会话号,以保留上游前缀缓存命中)。 + // ⚠️ 判据必须算**同一个桶**,不能拿原始 ms 去比 —— 那会把正确的实现判成错。 + seg := s1[4:16] + ms := int64(1792065049) * 1000 + bucket := ms - (ms % 60000) + want := (int64(0x1afffffffffffe) - bucket*4096) & 0xFFFFFFFFFFFF + if got := seg; got != fmtHex12(want) { + t.Fatalf("session 段公式不符: got=%s want=%s (bucket=%d)", got, fmtHex12(want), bucket) + } + }) + + t.Run("tools 兜底:无 tools 时注入 read", func(t *testing.T) { + out, err := vm.Transform("opencodezen", "transform_request", + `{"model":"m","stream":true,"messages":[{"role":"user","content":"hi"}]}`) + if err != nil { + t.Fatal(err) + } + var req map[string]interface{} + if err := json.Unmarshal([]byte(out), &req); err != nil { + t.Fatal(err) + } + ts, _ := req["tools"].([]interface{}) + if len(ts) == 0 { + t.Fatalf("必须注入 tools: %s", out) + } + found := false + for _, x := range ts { + fn := x.(map[string]interface{})["function"].(map[string]interface{}) + if fn["name"] == "read" { + p, _ := fn["parameters"].(map[string]interface{}) + props, _ := p["properties"].(map[string]interface{}) + if len(props) == 0 { + t.Fatalf("read 的 properties 必须非空(门禁要求): %s", out) + } + found = true + } + } + if !found { + t.Fatalf("必须含名为 read 的工具: %s", out) + } + }) + + t.Run("tools 保留:用户自带 read 不被覆盖", func(t *testing.T) { + in := `{"model":"m","stream":true,"messages":[{"role":"user","content":"hi"}], + "tools":[{"type":"function","function":{"name":"read","description":"MY","parameters":{"type":"object","properties":{"a":{"type":"string"}}}}}]}` + out, err := vm.Transform("opencodezen", "transform_request", in) + if err != nil { + t.Fatal(err) + } + var req map[string]interface{} + json.Unmarshal([]byte(out), &req) + ts, _ := req["tools"].([]interface{}) + if len(ts) != 1 { + t.Fatalf("不应追加(已有 read): %s", out) + } + fn := ts[0].(map[string]interface{})["function"].(map[string]interface{}) + if fn["description"] != "MY" { + t.Fatalf("用户定义被覆盖: %s", out) + } + }) +} + +func fmtHex12(v int64) string { + const hex = "0123456789abcdef" + out := make([]byte, 12) + for i := 11; i >= 0; i-- { + out[i] = hex[v&0xF] + v >>= 4 + } + return string(out) +} + +// ★ 免费层只能流式(适配器强制 stream=true),而内核在客户端要非流式时 +// 会调 transform_response(期望 JSON)⇒ 适配器必须能把 SSE 聚合回非流式对象。 +// 这条判据钉住那个聚合:真实 SSE 片段 → 完整 chat.completion。 +func TestOpencodeZenAggregatesSSEForNonStreamClient(t *testing.T) { + src, err := bundledAdapters.ReadFile("adapters/opencodezen.lua") + if err != nil { + t.Fatal(err) + } + vm := NewVM(t.TempDir()) + defer vm.Stop() + if err := vm.LoadAdapterSource("opencodezen", string(src)); err != nil { + t.Fatal(err) + } + // 模仿上游真实 SSE(含 reasoning_content 与 usage 末帧) + sse := `data: {"id":"x1","object":"chat.completion.chunk","created":1,"model":"m","choices":[{"index":0,"delta":{"role":"assistant","content":"","reasoning_content":"think "}}]} +data: {"id":"x1","object":"chat.completion.chunk","created":1,"model":"m","choices":[{"index":0,"delta":{"content":"HELLO"}}]} +data: {"id":"x1","object":"chat.completion.chunk","created":1,"model":"m","choices":[{"index":0,"delta":{"content":" WORLD"},"finish_reason":"stop"}]} +data: {"id":"x1","object":"chat.completion.chunk","created":1,"model":"m","choices":[],"usage":{"prompt_tokens":7,"completion_tokens":2,"total_tokens":9}} +data: [DONE] +` + out, err := vm.Transform("opencodezen", "transform_response", sse) + if err != nil { + t.Fatal(err) + } + var u map[string]interface{} + if err := json.Unmarshal([]byte(out), &u); err != nil { + t.Fatalf("聚合产物不是 JSON: %v (%s)", err, out) + } + if u["content"] != "HELLO WORLD" { + t.Fatalf("content 应为 'HELLO WORLD',实得 %v", u["content"]) + } + tu, _ := u["token_usage"].(map[string]interface{}) + if tu == nil || tu["prompt"] != float64(7) { + t.Fatalf("usage 应透传: %v", u["token_usage"]) + } + if u["finish_reason"] != "stop" { + t.Fatalf("finish_reason 应为 stop: %v", u["finish_reason"]) + } + t.Logf("聚合 OK: content=%v usage=%v finish=%v", u["content"], tu, u["finish_reason"]) +} diff --git a/internal/lua/adapters/opencodezen.lua b/internal/lua/adapters/opencodezen.lua new file mode 100644 index 0000000..2f867e9 --- /dev/null +++ b/internal/lua/adapters/opencodezen.lua @@ -0,0 +1,484 @@ +local adapter = {} + +adapter.name = "opencodezen" +adapter.version = "1.0.0" +adapter.endpoint = "/chat/completions" + +-- OpenCode Zen(按量付费端点,https://opencode.ai/zen/v1) +-- +-- 与 OpenCode Go(opencodego.lua,https://opencode.ai/zen/go/v1)是两个不同的 +-- 服务,行为要求并不相同,因此各有专用适配器: +-- +-- * 本适配器(Zen)服务免费池 / 按量付费池。免费模型必须带 opencode 客户端 +-- 指纹(UA + x-opencode-*),否则上游拒绝:"free tier can only be used in +-- OpenCode"。Zen 的免费池以非 thinking 模型为主,历史上回传 +-- reasoning_content 会引出上游报错,故这里剥掉(Go 侧相反,见 opencodego.lua)。 +-- * Go 订阅读者请看 opencodego.lua:那边**必须**回传 reasoning_content, +-- 否则 thinking 模式直接 400。 +-- +-- 缺 x-opencode-client/session/request/project 身份头会被判为匿名客户端, +-- 部分模型在带 tools 时上游直接失败(流式返回单 chunk +-- "finish_reason":"network_error" 空 content,非流式 503 +-- "Endpoint is unavailable",表现为"空回复")。 +-- ============================================================================ +-- ★ opencode Zen 免费层门禁(2026-10-15 实测解出,逐条对齐官方 CLI) +-- +-- 上游对免费池有**三个**必须同时满足的条件,缺任一则 403 FreeTierError +-- ("free tier can only be used from within OpenCode"),与 UA / TLS 指纹 / 凭据来源 +-- 均无关: +-- +-- 1. 端点必须是 /inference/v1/chat/completions(不是 /zen/v1) +-- —— 由源的 base_url 决定,不在本适配器内。 +-- 2. 必须同时发 x-opencode-session **与** x-opencode-session-id(值相同)。 +-- 两个 id 的 12 位 hex 段由**确定公式**给出(见下),不是随机数; +-- 时间容差实测 ≥ 60 秒,故 os.time() 的秒精度足够。 +-- 3. 请求的 tools 里必须有一个名为 read 的工具,且其 parameters.properties +-- **非空**。这是唯一的 tools 要求:实测抽掉官方 11 个工具中的任意一个均为 +-- 200,**只有抽掉 read 变 403**;且 properties 里放任意属性名即可, +-- 描述文字 / $schema / required 都不需要(properties 为空对象则 403)。 +-- ⇒ 无 tools 的纯对话请求会被拒,故 transform_request 需兜底注入桩工具。 +-- 4. **stream 必须为 true**:实测同为合法请求,stream=false 恒 403、stream=true 恒 200 +-- (包括 max_tokens 20/60/200/1000/32000 均 200)。 +-- ⇒ 非流式请求会被拒,故 transform_request 强制 stream=true。 +-- +-- 明确**不影响**通过的(均实测):system 内容(含无 system)、消息条数 +-- (2/3/4/6 条均 200)、凭据(Bearer public 与普通 API key 均可)、 +-- x-opencode-project / x-opencode-client / UA 里的 opencode/ 前缀。 +-- +-- ⚠️ 参考实现 dsh-our-free-model 的门禁桩(bash + read,但无真实 properties) +-- 恰好卡在第 3 条上 —— 即它「伪装需跟进上游更新」的真实原因。 +adapter.headers = { + ["User-Agent"] = "opencode/1.19.0 ai-sdk/provider-utils/4.0.23 runtime/bun/1.3.14", +} + +-- rand_id:按官方的 48-bit 公式生成 12 位 hex 段 + 14 位 base62 随机段。 +-- +-- 公式逆自官方 CLI 本地库(~/.local/share/opencode/opencode.db 的 session 表, +-- 用 11/12 条真实 id 逐条比对完全一致): +-- +-- MASK = 2^48 - 1 +-- K = 0x1afffffffffffe (注意不是 27<<48,两者差 2) +-- session 段 = (K - now_ms * 4096) & MASK ← **倒计时式**:Δseg/Δms ≡ -4096 +-- request 段 = (now_ms * 16) & MASK +-- +-- 为什么是「倒计时」而不是时间戳:0x1afffffffffffe 减去 ms*2^12,所以 seg 随 +-- 时间**递减**。用 f"{ms:012x}" 之类的正向写法必然不对(我为此错过一轮)。 +-- +-- ⚠️ 精度:now_ms*4096 ≈ 7.3e15 < 2^53 ≈ 9.0e15,在 double 安全整数范围内, +-- 故 LuaJIT 的默认数字类型(double)直接算即可,无需大整数库。 +local B62 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" +local MASK48 = 281474976710655 -- 2^48 - 1 +local ID_K = 0x1afffffffffffe + +local function rand_tail(n) + local out = {} + for i = 1, n do + local v = 0 + if math and math.random then + v = math.random(1, 62) + else + -- 无 math 时用时间做退化熵源:只要唯一,不要求密码学强度。 + v = (os.time() * 7 + i * 13) % 62 + 1 + end + out[i] = B62:sub(v, v) + end + return table.concat(out) +end + +-- now_ms:毫秒。沙箱只有 os.time()(秒)与 os.clock()(CPU 时间,无用), +-- 而上游时间容差实测 ≥ 60 秒,故秒精度足够;毫秒位补 0。 +-- meta.timestamp 由内核给出(同为秒),优先用它以便同一请求内自洽。 +local function now_ms(meta) + local t = tonumber(meta and meta.timestamp) or (os.time and os.time()) or 0 + return t * 1000 +end + +local function rand_id(prefix, ms, kind) + local seg + if kind == "session" then + seg = (ID_K - ms * 4096) % (MASK48 + 1) + else + seg = (ms * 16) % (MASK48 + 1) + end + -- %012x:12 位十六进制,不足补零 + return prefix .. string.format("%012x", seg) .. rand_tail(14) +end + +-- session_bucket_ms 决定上游会话号的**稳定周期**(按整分钟对齐)。 +-- +-- 为什么需要稳定:上游前缀缓存是会话级的(实测:同一段 6032 token 提示词, +-- 固定会号第 2 次命中 5888;每请求换会号则恒为 0 命中)。而免费层门禁要求 +-- x-opencode-session 的 12 位 hex 段服从「倒计时」公式(见 rand_id 注释), +-- 所以不能真的「随便挑一个固定值」,只能选一个**时间桶**。 +-- +-- 取整分钟(而非秒):同一分钟内的所有请求共享一个会话号 ⇒ 既保留缓存命中, +-- 又不超出上游的时间容差。实测容差 ≥ 1 小时(-3600s 仍 200), +-- 所以一分钟桶有很大余量,即便上游收紧到几分钟也仍然安全。 +local function session_bucket_ms(meta) + local ms = now_ms(meta) + return ms - (ms % 60000) +end + +function adapter.build_headers(meta) + local ms = now_ms(meta) + local bucket = session_bucket_ms(meta) + -- 免费层要求两个头都在且值相同(对齐官方 CLI;缺任一个则 403)。 + local sid = rand_id("ses_", bucket, "session") + return { + ["User-Agent"] = adapter.headers["User-Agent"], + ["x-opencode-client"] = "cli", + -- project 固定:同网关实例共享一个工作区身份(非门禁必需,但官方也发) + ["x-opencode-project"] = "global", + ["x-opencode-session"] = sid, + -- ★ 两个都要:上游对免费池同时校验 x-opencode-session 与这个头。 + ["x-opencode-session-id"] = sid, + -- request id 每请求唯一(不参与缓存键),用当前时间而非桶,避免同桶内重复 + ["x-opencode-request"] = rand_id("msg_", ms, "request"), + } +end + +-- ============================================================================ +-- ★ 免费层 tools 兜底:上游要求 tools 里必须有一个名为 read、且 +-- parameters.properties 非空的工具(实测唯一要求;抽掉它即 403)。 +-- 纯对话请求(客户端没传 tools)会被拒,故这里注入一个桩工具。 +-- +-- 只补缺,不改用户已有的 tools:用户自带 read 时原样透传(官方 CLI 就是这么发的), +-- 用户带的其它工具保留不动。 +local FREE_GATE_TOOL = "read" +local function ensure_free_gate_tool(req) + local tools = req.tools + if type(tools) ~= "table" then tools = {} req.tools = tools end + for _, t in ipairs(tools) do + if type(t) == "table" then + local fn = t["function"] + -- 注意:function 是 Lua 关键字,必须用 req["function"] 形式取下标。 + if type(fn) == "table" and fn.name == FREE_GATE_TOOL then + local p = fn.parameters + -- 已有 read 但 properties 为空 ⇒ 补上;否则原样保留用户定义。 + if type(p) == "table" and type(p.properties) == "table" + and next(p.properties) ~= nil then + return + end + fn.parameters = { type = "object", + properties = { filePath = { type = "string", description = "Path to read" } } } + return + end + end + end + tools[#tools + 1] = { + type = "function", + ["function"] = { + name = FREE_GATE_TOOL, + description = "Read a file from the local filesystem.", + parameters = { type = "object", + properties = { filePath = { type = "string", description = "Path to read" } }, + required = { "filePath" } }, + }, + } +end + +-- OpenAI /chat/completions format (pass-through, strip provider-specific fields) +-- zen 上游 schema 只接受 text content part(无视觉/音频能力):多模态 part +-- (image_url / input_audio / file 等)一律剥离。剥离后 content 变空的消息 +-- 若不再携带 tool_calls / tool_call_id 才整条丢弃(避免上游 +-- "unknown variant `image_url`, expected `text`");带工具调用的必须保留, +-- 否则会把紧随其后的 tool 结果变成孤儿,模型会反复重发同一个调用。 +-- zen 上游角色白名单只有 system / user / assistant / tool / latest_reminder: +-- OpenAI 的 developer(及 function 等)不在其中,直接透传会触发上游 +-- "unknown variant `developer`, expected one of ..." 错误;统一归一化为 system。 +local ROLE_WHITELIST = { + system = true, + user = true, + assistant = true, + tool = true, + latest_reminder = true, +} + +function adapter.transform_request(raw_body) + local ok, req = pcall(json.decode, raw_body) + if not ok then return raw_body end + -- ★ 免费层 gate:tools 里必须有 read(且 parameters.properties 非空)。 + -- 放在最前面:它决定本请求会不会被 403,与后面的字段清理无关。 + -- 对所有模型都注入:免费池与付费池共用同一层形状检查,多一个桩工具无害 + -- (官方 CLI 本来也带全套工具),但缺了它会让免费模型整体失效。 + ensure_free_gate_tool(req) + -- ★ 免费层只接受流式:实测 stream=false 恒 403(同样 body 改 true 即 200)。 + -- 转成流式由上游以 SSE 回应,内核本就会聚合/透传流式响应,故对客户端透明。 + req.stream = true + req.disable_thinking = nil + req.extra_body = nil + -- stream_options is only valid alongside stream:true; sending it on a + -- non-streaming request is rejected by strict upstreams. + if req.stream then + if type(req.stream_options) ~= "table" then req.stream_options = {} end + req.stream_options.include_usage = true + end + if req.messages then + local kept = {} + for _, msg in ipairs(req.messages) do + if type(msg.role) == "string" and not ROLE_WHITELIST[msg.role] then + msg.role = "system" + end + -- Zen 免费池不接受回传 reasoning_content(Go 侧相反) + msg.reasoning_content = nil + local drop = false + if type(msg.content) == "table" then + local parts = {} + for _, part in ipairs(msg.content) do + if type(part) == "table" and part.type ~= nil and part.type ~= "text" then + -- multimodal part not supported by zen + else + table.insert(parts, part) + end + end + if #parts == 0 then + -- Content collapsed to nothing after stripping unsupported + -- parts. A message that still carries a tool call must + -- NEVER be dropped: the very next message is its tool + -- result, and dropping the call orphans that result. The + -- model then sees a result for a call it never made and + -- re-issues the same tool call on every turn (observed as + -- an infinite "repeated tool call" loop). + if (type(msg.tool_calls) == "table" and #msg.tool_calls > 0) + or msg.tool_call_id ~= nil then + msg.content = "" + else + drop = true + end + else + msg.content = parts + end + end + if not drop then + table.insert(kept, msg) + end + end + req.messages = kept + end + return json.encode(req) +end + +-- ★ aggregate_sse:把 SSE 流(openai chat.completion.chunk 形状)聚合成一个非流式 +-- 响应对象,供 transform_response 在「客户端要非流式、上游却回流式」时使用。 +-- 返回 JSON 字符串;无法聚合(无任何 chunk)时返回 nil。 +-- +-- 只处理 content / reasoning_content / finish_reason / usage 四类增量: +-- 它们覆盖了内核需要从响应里取的全部字段(正文、结束原因、token 计数)。 +local function aggregate_sse(raw) + local content, reasoning, finish = {}, {}, "" + local usage, id, model, created = nil, nil, nil, nil + local seen = false + for line in (raw .. "\n"):gmatch("([^\n]*)\n") do + local s = line:gsub("^%s+", ""):gsub("%s+$", "") + if s:sub(1, 5) == "data:" then + local payload = s:sub(6):gsub("^%s+", "") + if payload ~= "" and payload ~= "[DONE]" then + local ok, d = pcall(json.decode, payload) + if ok and type(d) == "table" then + seen = true + id = id or d.id + model = model or d.model + created = created or d.created + if type(d.usage) == "table" then usage = d.usage end + local ch = d.choices and d.choices[1] + if type(ch) == "table" then + if ch.finish_reason and ch.finish_reason ~= "" then + finish = ch.finish_reason + end + local dl = ch.delta + if type(dl) == "table" then + if type(dl.content) == "string" then content[#content + 1] = dl.content end + if type(dl.reasoning_content) == "string" then + reasoning[#reasoning + 1] = dl.reasoning_content + end + end + end + end + end + end + end + if not seen then return nil end + local msg = { role = "assistant", content = table.concat(content) } + local rc = table.concat(reasoning) + if rc ~= "" then msg.reasoning_content = rc end + local out = { + id = id or "", object = "chat.completion", created = created or 0, model = model or "", + choices = { { index = 0, message = msg, finish_reason = finish ~= "" and finish or "stop" } }, + } + if usage then out.usage = usage end + local ok2, enc = pcall(json.encode, out) + if not ok2 then return nil end + return enc +end + +function adapter.transform_response(raw_body) + -- ★ 免费层只接受 stream=true(见文件头门禁第 4 条),所以本适配器把每个请求 + -- 都改成了流式 —— 但内核是按**客户端意图**选路径的:客户端发非流式时, + -- 内核走 Provider.Chat 并调本函数(期望 JSON),而上游回的是 SSE。 + -- 若在这里直接 json.decode 就会得到 "invalid character 'd'" 错误。 + -- + -- 因此本函数必须先识别 SSE 并自行聚合,再走原来的 JSON 路径。 + -- 这样保持内核对上游协议无感(内核不知道也不该知道上游选了流式)。 + if type(raw_body) == "string" and (raw_body:sub(1, 6) == "data: " or raw_body:find("\ndata: ", 1, true)) then + local aggregated = aggregate_sse(raw_body) + if aggregated ~= nil then + local ok2, resp2 = pcall(json.decode, aggregated) + if ok2 and type(resp2) == "table" then raw_body = aggregated end + end + end + local ok, resp = pcall(json.decode, raw_body) + if not ok or resp == nil then return raw_body end + + local unified = { + content = "", + finish_reason = "", + token_usage = { prompt = 0, completion = 0, total = 0 } + } + + if type(resp.usage) == "table" then + unified.token_usage.prompt = resp.usage.prompt_tokens or 0 + unified.token_usage.completion = resp.usage.completion_tokens or 0 + unified.token_usage.total = resp.usage.total_tokens or 0 + local hit = 0 + if type(resp.usage.prompt_tokens_details) == "table" and resp.usage.prompt_tokens_details.cached_tokens ~= nil then + hit = resp.usage.prompt_tokens_details.cached_tokens + unified.token_usage.prompt_tokens_details = { cached_tokens = hit } + end + if (resp.usage.prompt_cache_hit_tokens or 0) > 0 then + unified.token_usage.prompt_cache_hit_tokens = resp.usage.prompt_cache_hit_tokens + unified.token_usage.prompt_cache_miss_tokens = resp.usage.prompt_cache_miss_tokens or 0 + if hit == 0 then + unified.token_usage.prompt_tokens_details = { cached_tokens = resp.usage.prompt_cache_hit_tokens } + end + end + -- 上游报告输出里有多少是思考 token。不给客户端的话,无法判断 + -- completion_tokens 里多少是「可见回答」、多少是「思考」(都按输出计费)。 + local ctd = resp.usage.completion_tokens_details + if type(ctd) == "table" and ctd.reasoning_tokens ~= nil then + unified.token_usage.completion_tokens_details = { reasoning_tokens = ctd.reasoning_tokens } + end + end + + -- 本次调用的费用,上游放在**顶层**且是**字符串**(如 "0"、"0.0012")。 + -- Go 订阅是包月制,恒为 "0";只有 Zen 按量付费模型才有信息量。 + -- 原样透传:网关不解析、不换算、不汇总 —— 它只是上游事实的搬运者。 + if resp.cost ~= nil then + unified.cost = tostring(resp.cost) + end + + if type(resp.choices) == "table" and #resp.choices > 0 then + local ch = resp.choices[1] + if type(ch.message) == "table" then + unified.content = ch.message.content or "" + local reasoning = ch.message.reasoning_content or ch.message.reasoning + if reasoning then + unified.reasoning_content = reasoning + end + if type(ch.message.tool_calls) == "table" then + local tcs = {} + for _, tc in ipairs(ch.message.tool_calls) do + local args_ok, args = pcall(json.decode, tc["function"].arguments) + if not args_ok then args = {} end + table.insert(tcs, { + id = tc.id, + type = tc.type or "function", + name = tc["function"].name, + arguments = args + }) + end + unified.tool_calls = tcs + end + end + unified.finish_reason = ch.finish_reason or "" + end + + return json.encode(unified) +end + +function adapter.transform_stream_chunk(raw_chunk) + local ok, chunk = pcall(json.decode, raw_chunk) + if not ok then return "" end + + -- OpenAI-style streams may attach usage to a chunk with empty choices + -- (the final usage chunk). Preserve it; the gateway emits it as the + -- terminal usage chunk. Note: keys must match Go's TokenUsage json tags + -- (prompt/completion/total); the gateway re-emits standard *_tokens. + local uses = nil + if type(chunk.usage) == "table" then + uses = { + prompt = chunk.usage.prompt_tokens or chunk.usage.prompt or 0, + completion = chunk.usage.completion_tokens or chunk.usage.completion or 0, + total = chunk.usage.total_tokens or chunk.usage.total or 0, + } + -- 独立字段与 prompt_tokens_details **并存**透传,不要写成 elseif: + -- 上游命中缓存时两者都发,非流式路径也是两个都带。写成 elseif 会让 + -- 流式丢掉 prompt_cache_hit_tokens/miss,与同一源的**非流式**产出不一致 + -- (dsh 优先读 details,但只认独立字段的老客户端会看不到缓存)。 + if type(chunk.usage.prompt_tokens_details) == "table" and chunk.usage.prompt_tokens_details.cached_tokens ~= nil then + uses.prompt_tokens_details = { cached_tokens = chunk.usage.prompt_tokens_details.cached_tokens } + end + if (chunk.usage.prompt_cache_hit_tokens or 0) > 0 then + uses.prompt_cache_hit_tokens = chunk.usage.prompt_cache_hit_tokens + uses.prompt_cache_miss_tokens = chunk.usage.prompt_cache_miss_tokens or 0 + if uses.prompt_tokens_details == nil then + uses.prompt_tokens_details = { cached_tokens = chunk.usage.prompt_cache_hit_tokens } + end + end + local ctd = chunk.usage.completion_tokens_details + if type(ctd) == "table" and ctd.reasoning_tokens ~= nil then + uses.completion_tokens_details = { reasoning_tokens = ctd.reasoning_tokens } + end + end + + if not chunk.choices or #chunk.choices == 0 then + -- 空 choices 的帧既不是内容也不是结束信号。上游发两种: + -- {"choices":[],"usage":{...}} —— 终帧用量 + -- {"choices":[],"cost":"0"} —— 单独的费用帧 + -- 两者可能落在同一帧上,必须都转出去;早退只带 usage 会把费用丢干净。 + local out = { done = false } + if uses ~= nil then out.usage = uses end + if chunk.cost ~= nil then out.cost = tostring(chunk.cost) end + if uses == nil and chunk.cost == nil then return "" end + return json.encode(out) + end + local delta = chunk.choices[1].delta or {} + local fr = chunk.choices[1].finish_reason + + local finish = (type(fr) == "string" and fr ~= "") and fr or nil + + local unified = { + content = delta.content or "", + done = (finish ~= nil) + } + if finish then + unified.finish_reason = finish + end + if uses ~= nil then + unified.usage = uses + end + -- zen 用 reasoning 字段承载推理文本(OpenAI 惯例是 reasoning_content) + local reasoning = delta.reasoning_content or delta.reasoning + if reasoning then + unified.reasoning_content = reasoning + end + if delta.tool_calls then + -- pass raw streaming fragments through; OpenAI clients accumulate index+id+name+arguments + unified.tool_calls = delta.tool_calls + end + return json.encode(unified) +end + +-- 错误收敛(可选钩子):zen 错误信封固定为 {error={type,message}}; +-- 免费池限流 FreeUsageLimitError 单独标注。返回 nil 走通用兜底。 +function adapter.transform_error(status, body) + local ok, resp = pcall(json.decode, body) + if not ok or type(resp) ~= "table" then return nil end + local e = resp.error + if type(e) ~= "table" then return nil end + if e.type == "FreeUsageLimitError" then + return "zen free pool quota exhausted" + end + return e.message +end + +return adapter diff --git a/internal/lua/plugins/channels.lua b/internal/lua/plugins/channels.lua index 1beba79..7b746f8 100644 --- a/internal/lua/plugins/channels.lua +++ b/internal/lua/plugins/channels.lua @@ -4277,8 +4277,14 @@ local function spawnBrowser(start_url) -- 客户端可能来自另一台机器(127.0.0.1 指向客户端自己)且 websockify 只绑回环, -- 所以只能由网关同端口转发;插件只提供回环目标与绝对路径,不处理传输。 local base = "/api/plugins/http/channels/browser/proxy/" .. sess + -- noVNC 用 `new URL(path, location.href)` 解析 path(ui.js 的 connect()), + -- 即**相对 vnc.html 所在目录**解析,默认值就是相对名 'websockify'。 + -- 曾传站点根路径(/api/.../websockify)→ 被当相对路径 ⇒ 路径重复拼接: + -- .../proxy//api/plugins/http/channels/browser/proxy//websockify + -- 于是 WebSocket 永远连不上(noVNC 显示连接失败,页面看似白屏)。 + -- 只用相对名,与 noVNC 默认值一致。 local proxyPath = base .. "/vnc.html?autoconnect=1&resize=scale&password=" .. pass - .. "&path=" .. urlencode(base:sub(2) .. "/websockify") + .. "&path=websockify" return { view_url = proxyPath, proxy_path = proxyPath,