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fix(opencode): refresh the client fingerprint to the 2.0 channel form #4883

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fix(opencode): refresh the client fingerprint to the 2.0 channel form #4883

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22 changes: 16 additions & 6 deletions open-sse/executors/opencode-zen.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,19 +15,29 @@ const MAX_SESSION_LENGTH = 256;

const RESPONSES_BASE_URL = "https://opencode.ai/zen/v1/responses";
const MAX_TOOL_NAME_LEN = 128;
const OPENCODE_UA = "opencode/1.18.31";
const OPENCODE_UA = "opencode/latest/2.0.29/cli";
export const OPENCODE_SESSION_RE = /^ses_[0-9a-f]{12}[0-9A-Za-z]{14}$/;
const BASE62_CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
// Free-tier fingerprint (mirrors opencode executor, PR #4132): upstream 403s
// requests without the file-search quartet and without stream:true.
const OPENCODE_FINGERPRINT_TOOLS = ["bash", "glob", "grep", "read"];

function hasValidOpencodeVersion(ua) {
const m = String(ua || "").match(/opencode\/(\d+)\.(\d+)(?:\.(\d+))?/i);
if (!m) return false;
const major = parseInt(m[1], 10);
const minor = parseInt(m[2], 10);
return major > 1 || (major === 1 && minor >= 17);
// Accept both legacy "opencode/1.18.31" and channel form
// "opencode/latest/2.0.29/cli" (official CLI since 2.0, issue #4837/#4861).
const legacy = String(ua || "").match(/opencode\/(\d+)\.(\d+)(?:\.(\d+))?/i);
if (legacy) {
const major = parseInt(legacy[1], 10);
const minor = parseInt(legacy[2], 10);
return major > 1 || (major === 1 && minor >= 17);
}
const channel = String(ua || "").match(/opencode\/[a-z-]+\/(\d+)\.(\d+)(?:\.(\d+))?/i);
if (channel) {
const major = parseInt(channel[1], 10);
const minor = parseInt(channel[2], 10);
return major > 1 || (major === 1 && minor >= 17);
}
return false;
}

function unstableRandom() {
Expand Down
24 changes: 17 additions & 7 deletions open-sse/executors/opencode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ import {
coerceResponsesOutput,
} from "../translator/formats/responsesApi.js";

const OPENCODE_UA = "opencode/1.18.31";
const OPENCODE_UA = "opencode/latest/2.0.29/cli";
const MAX_SESSION_LENGTH = 256;
const MAX_TOOL_NAME_LEN = 128;
const SESSION_HEADER = "x-opencode-session";
Expand All @@ -26,11 +26,21 @@ export const OPENCODE_REQUEST_RE = /^msg_[0-9a-f]{12}[0-9A-Za-z]{14}$/;
const BASE62_CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

function hasValidOpencodeVersion(ua) {
const m = String(ua || "").match(/opencode\/(\d+)\.(\d+)(?:\.(\d+))?/i);
if (!m) return false;
const major = parseInt(m[1], 10);
const minor = parseInt(m[2], 10);
return major > 1 || (major === 1 && minor >= 17);
// Accept both legacy "opencode/1.18.31" and channel form
// "opencode/latest/2.0.29/cli" (official CLI since 2.0, issue #4837/#4861).
const legacy = String(ua || "").match(/opencode\/(\d+)\.(\d+)(?:\.(\d+))?/i);
if (legacy) {
const major = parseInt(legacy[1], 10);
const minor = parseInt(legacy[2], 10);
return major > 1 || (major === 1 && minor >= 17);
}
const channel = String(ua || "").match(/opencode\/[a-z-]+\/(\d+)\.(\d+)(?:\.(\d+))?/i);
if (channel) {
const major = parseInt(channel[1], 10);
const minor = parseInt(channel[2], 10);
return major > 1 || (major === 1 && minor >= 17);
}
return false;
}
// Models served by /zen/v1/responses; every other model stays on /chat/completions.
const RESPONSES_MODELS = new Set([
Expand Down Expand Up @@ -475,7 +485,7 @@ export class OpenCodeExecutor extends BaseExecutor {
"Content-Type": "application/json",
"Authorization": "Bearer public",
"User-Agent": isOpencodeDownstream ? downstreamUa : OPENCODE_UA,
"x-opencode-client": lower["x-opencode-client"] || "desktop",
"x-opencode-client": lower["x-opencode-client"] || "cli",
"x-opencode-session": session,
"x-opencode-request": requestId,
"x-opencode-project": lower["x-opencode-project"] || "global",
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2 changes: 1 addition & 1 deletion open-sse/providers/registry/opencode-zen.js
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ export default {
baseUrl: "https://opencode.ai/zen/v1/systemone",
headers: {
"x-opencode-client": "desktop",
"User-Agent": "opencode/1.18.31",
"User-Agent": "opencode/latest/2.0.29/cli",
},
},
modelsFetcher: { url: "https://opencode.ai/zen/v1/models", type: "opencode-free" },
Expand Down
2 changes: 1 addition & 1 deletion open-sse/providers/registry/opencode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ export default {
baseUrl: "https://opencode.ai/zen/v1/systemone",
headers: {
"x-opencode-client": "desktop",
"User-Agent": "opencode/1.18.31",
"User-Agent": "opencode/latest/2.0.29/cli",
},
},
modelsFetcher: { url: "https://opencode.ai/zen/v1/models", type: "opencode-free" },
Expand Down
2 changes: 1 addition & 1 deletion src/app/api/providers/[id]/test/testUtils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -798,7 +798,7 @@ async function testApiKeyConnection(connection, effectiveProxy = null) {
}
case "opencode": {
const res = await fetchWithConnectionProxy("https://opencode.ai/zen/v1/models", {
headers: { Authorization: "Bearer public", "User-Agent": "opencode/1.18.31" },
headers: { Authorization: "Bearer public", "User-Agent": "opencode/latest/2.0.29/cli" },
}, effectiveProxy);
return { valid: res.ok, error: res.ok ? null : "OpenCode free tier unavailable" };
}
Expand Down