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Handle compressed error decode failures safely

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This commit is contained in:
edlsh
2026-02-28 22:43:46 -05:00
parent 0ad3e8457f
commit 6ac9b31e4e
2 changed files with 110 additions and 13 deletions
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59
internal/runtime/executor/claude_executor.go
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@@ -185,14 +185,25 @@ func (e *ClaudeExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, r
}
recordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
// Decompress error responses (e.g. gzip-compressed 400 errors from Anthropic API)
// Decompress error responses (e.g. gzip-compressed 400 errors from Anthropic API).
errBody := httpResp.Body
if ce := httpResp.Header.Get("Content-Encoding"); ce != "" {
if decoded, decErr := decodeResponseBody(httpResp.Body, ce); decErr == nil {
errBody = decoded
var decErr error
errBody, decErr = decodeResponseBody(httpResp.Body, ce)
if decErr != nil {
recordAPIResponseError(ctx, e.cfg, decErr)
msg := fmt.Sprintf("failed to decode error response body (encoding=%s): %v", ce, decErr)
logWithRequestID(ctx).Warn(msg)
return resp, statusErr{code: httpResp.StatusCode, msg: msg}
}
}
b, _ := io.ReadAll(errBody)
b, readErr := io.ReadAll(errBody)
if readErr != nil {
recordAPIResponseError(ctx, e.cfg, readErr)
msg := fmt.Sprintf("failed to read error response body: %v", readErr)
logWithRequestID(ctx).Warn(msg)
b = []byte(msg)
}
appendAPIResponseChunk(ctx, e.cfg, b)
logWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, summarizeErrorBody(httpResp.Header.Get("Content-Type"), b))
err = statusErr{code: httpResp.StatusCode, msg: string(b)}
@@ -339,14 +350,25 @@ func (e *ClaudeExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.A
}
recordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
// Decompress error responses (e.g. gzip-compressed 400 errors from Anthropic API)
// Decompress error responses (e.g. gzip-compressed 400 errors from Anthropic API).
errBody := httpResp.Body
if ce := httpResp.Header.Get("Content-Encoding"); ce != "" {
if decoded, decErr := decodeResponseBody(httpResp.Body, ce); decErr == nil {
errBody = decoded
var decErr error
errBody, decErr = decodeResponseBody(httpResp.Body, ce)
if decErr != nil {
recordAPIResponseError(ctx, e.cfg, decErr)
msg := fmt.Sprintf("failed to decode error response body (encoding=%s): %v", ce, decErr)
logWithRequestID(ctx).Warn(msg)
return nil, statusErr{code: httpResp.StatusCode, msg: msg}
}
}
b, _ := io.ReadAll(errBody)
b, readErr := io.ReadAll(errBody)
if readErr != nil {
recordAPIResponseError(ctx, e.cfg, readErr)
msg := fmt.Sprintf("failed to read error response body: %v", readErr)
logWithRequestID(ctx).Warn(msg)
b = []byte(msg)
}
appendAPIResponseChunk(ctx, e.cfg, b)
logWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, summarizeErrorBody(httpResp.Header.Get("Content-Type"), b))
if errClose := errBody.Close(); errClose != nil {
@@ -497,14 +519,25 @@ func (e *ClaudeExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Aut
}
recordAPIResponseMetadata(ctx, e.cfg, resp.StatusCode, resp.Header.Clone())
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
// Decompress error responses (e.g. gzip-compressed 400 errors from Anthropic API)
errBody := io.ReadCloser(resp.Body)
// Decompress error responses (e.g. gzip-compressed 400 errors from Anthropic API).
errBody := resp.Body
if ce := resp.Header.Get("Content-Encoding"); ce != "" {
if decoded, decErr := decodeResponseBody(resp.Body, ce); decErr == nil {
errBody = decoded
var decErr error
errBody, decErr = decodeResponseBody(resp.Body, ce)
if decErr != nil {
recordAPIResponseError(ctx, e.cfg, decErr)
msg := fmt.Sprintf("failed to decode error response body (encoding=%s): %v", ce, decErr)
logWithRequestID(ctx).Warn(msg)
return cliproxyexecutor.Response{}, statusErr{code: resp.StatusCode, msg: msg}
}
}
b, _ := io.ReadAll(errBody)
b, readErr := io.ReadAll(errBody)
if readErr != nil {
recordAPIResponseError(ctx, e.cfg, readErr)
msg := fmt.Sprintf("failed to read error response body: %v", readErr)
logWithRequestID(ctx).Warn(msg)
b = []byte(msg)
}
appendAPIResponseChunk(ctx, e.cfg, b)
if errClose := errBody.Close(); errClose != nil {
log.Errorf("response body close error: %v", errClose)