refactor(adobe): switch to express.adobe.com origin, remove ErrAuthPermanent, simplify ARP session/PID

This commit is contained in:
2026-08-02 00:07:17 +08:00
parent 0a1811b254
commit cd0b7090f2
4 changed files with 47 additions and 133 deletions
+36 -83
View File
@@ -34,7 +34,6 @@ const (
var (
ErrAuth = errors.New("adobe auth failed")
ErrAuthPermanent = errors.New("adobe auth permanently failed")
ErrQuotaExhausted = errors.New("adobe quota exhausted")
ErrTemporaryUpstream = errors.New("adobe upstream temporary error")
ErrDeadUpstream = errors.New("adobe upstream fatal error")
@@ -53,21 +52,15 @@ func isContentRejection(status int, body string) bool {
return status == 451 && strings.Contains(body, "unsafe")
}
func isPermanentAuthError(header string, body []byte) bool {
return strings.EqualFold(header, "user_not_entitled") ||
strings.EqualFold(header, "access_error") ||
strings.Contains(string(body), "user_not_entitled") ||
strings.Contains(string(body), "access_error")
}
var profileURLs = []string{
"https://ims-na1.adobelogin.com/ims/profile/v1",
"https://adobeid-na1.services.adobe.com/ims/profile/v1",
}
type Client struct {
apiKey string
proxy string
apiKey string
proxy string
arpSessionID string // cached per-client, reused across requests (matches adobe2api)
}
func NewClient(apiKey, proxy string) *Client {
@@ -77,6 +70,17 @@ func NewClient(apiKey, proxy string) *Client {
}
}
// getARPSessionID returns a cached ARP session id matching adobe2api's format:
// base64({"sid":"<uuid>","ftr":"<hex16>_<ts_ms>_<pid>_dUAL43-mnts-ants-d4_31ck__tt"})
// Generated once per client and reused — adobe2api reuses the same session id per
// token/profile instead of rotating every request.
func (c *Client) getARPSessionID() string {
if c.arpSessionID != "" {
return c.arpSessionID
}
c.arpSessionID = buildARPSessionID()
return c.arpSessionID
}
func (c *Client) SetProxy(proxy string) {
c.proxy = strings.TrimSpace(proxy)
@@ -93,7 +97,7 @@ func (c *Client) ExchangeCookie(ctx context.Context, cookie string) (*CookieExch
// uploadMaxRetries is how many extra in-place attempts a transient upload
// failure (transport error / timeout, 429/451/5xx) gets on a fresh connection
// before the error is surfaced.
const uploadMaxRetries = 3
const uploadMaxRetries = 5
// UploadImage stores a reference image and returns its blob id. Transient
// failures are retried in place (uploadMaxRetries times); the final error keeps
@@ -103,13 +107,6 @@ func (c *Client) UploadImage(ctx context.Context, token string, content []byte,
// Reference-image upload runs on the local IP (not the proxy).
body, err, retryable := c.uploadImageOnce(ctx, token, content, contentType, engine)
for attempt := 0; err != nil && retryable && attempt < uploadMaxRetries && ctx.Err() == nil; attempt++ {
if wait := time.Duration(attempt+1) * time.Second; wait > 0 {
select {
case <-ctx.Done():
return "", ctx.Err()
case <-time.After(wait):
}
}
body, err, retryable = c.uploadImageOnce(ctx, token, content, contentType, engine)
}
if err != nil {
@@ -137,7 +134,7 @@ func (c *Client) UploadImage(ctx context.Context, token string, content []byte,
// body plus whether a failure is retryable (transport error / 429/451/5xx).
// Auth failures (401/403) and other non-200s are not retryable.
func (c *Client) uploadImageOnce(ctx context.Context, token string, content []byte, contentType, engine string) ([]byte, error, bool) {
sess, err := c.newUploadTLSClient()
sess, err := c.newDirectTLSClient()
if err != nil {
return nil, err, false
}
@@ -179,9 +176,6 @@ func (c *Client) uploadImageOnce(ctx context.Context, token string, content []by
return nil, err, true
}
if resp.StatusCode == 401 || resp.StatusCode == 403 {
if isPermanentAuthError(resp.Header.Get("x-access-error"), body) {
return nil, fmt.Errorf("%w (upload %d %s: %s)", ErrAuthPermanent, resp.StatusCode, resp.Header.Get("x-access-error"), clip(body, 300)), false
}
return nil, fmt.Errorf("%w (upload %d %s: %s)", ErrAuth, resp.StatusCode, resp.Header.Get("x-access-error"), clip(body, 300)), false
}
if resp.StatusCode == 429 || resp.StatusCode == 451 || resp.StatusCode >= 500 {
@@ -195,19 +189,15 @@ func (c *Client) uploadImageOnce(ctx context.Context, token string, content []by
func (c *Client) GenerateImage(ctx context.Context, token, modelID, prompt, aspectRatio, resolution string, blobIDs []string, downloadResult bool) ([]byte, map[string]any, error) {
// Only the generate submit goes through the proxy; polling + download run on
// the local IP. If the proxy connection fails, retry once on the local IP.
// the local IP.
submitSess, err := c.newTLSClient()
if err != nil {
return nil, nil, err
}
directSess, directErr := c.newDirectTLSClient()
pollSess, err := c.newDirectTLSClient()
if err != nil {
return nil, nil, err
}
if directErr != nil {
directSess = pollSess
}
var lastBody []byte
var lastErr error
@@ -223,9 +213,6 @@ func (c *Client) GenerateImage(ctx context.Context, token, modelID, prompt, aspe
}
for _, payload := range candidates {
respBody, pollURL, err := c.submitImage(ctx, submitSess, token, prompt, endpoint, payload)
if errors.Is(err, ErrTemporaryUpstream) {
respBody, pollURL, err = c.submitImage(ctx, directSess, token, prompt, endpoint, payload)
}
if err == nil {
meta, data, pollErr := c.pollImage(ctx, pollSess, token, pollURL, downloadResult)
if pollErr != nil {
@@ -235,7 +222,7 @@ func (c *Client) GenerateImage(ctx context.Context, token, modelID, prompt, aspe
}
lastBody = respBody
lastErr = err
if errors.Is(err, ErrAuth) || errors.Is(err, ErrAuthPermanent) || errors.Is(err, ErrQuotaExhausted) || errors.Is(err, ErrContentRejected) {
if errors.Is(err, ErrAuth) || errors.Is(err, ErrQuotaExhausted) || errors.Is(err, ErrContentRejected) {
return nil, nil, err
}
}
@@ -265,14 +252,10 @@ func (c *Client) GenerateVideo(ctx context.Context, token, engine, prompt, aspec
if err != nil {
return nil, nil, err
}
directSess, directErr := c.newDirectTLSClient()
pollSess, err := c.newDirectTLSClient()
if err != nil {
return nil, nil, err
}
if directErr != nil {
directSess = pollSess
}
payload := BuildVideoPayload(engine, prompt, aspectRatio, durationSeconds, resolution, referenceMode, upstreamModel, blobIDs)
endpoint := videoSubmitURL
@@ -280,9 +263,6 @@ func (c *Client) GenerateVideo(ctx context.Context, token, engine, prompt, aspec
endpoint = fireflyVideoSubmitURL
}
respBody, pollURL, err := c.submitVideo(ctx, submitSess, token, endpoint, payload)
if errors.Is(err, ErrTemporaryUpstream) {
respBody, pollURL, err = c.submitVideo(ctx, directSess, token, endpoint, payload)
}
if err != nil {
return nil, nil, err
}
@@ -320,7 +300,6 @@ func (c *Client) FetchAccountProfile(ctx context.Context, token string) (map[str
"user-agent",
},
}
defer ReleasePID(token)
resp, err := sess.client.Do(req)
if err != nil {
@@ -429,9 +408,6 @@ func (c *Client) FetchCreditsBalance(ctx context.Context, token string) (map[str
return nil, err
}
if resp.StatusCode == 401 {
if isPermanentAuthError(resp.Header.Get("x-access-error"), body) {
return nil, ErrAuthPermanent
}
return nil, ErrAuth
}
if resp.StatusCode != 200 {
@@ -484,17 +460,16 @@ func (c *Client) submitImage(ctx context.Context, sess *tlsSession, token, promp
"x-api-key": {c.apiKey},
"content-type": {"application/json"},
"accept": {"*/*"},
"origin": {"https://firefly.adobe.com"},
"referer": {"https://firefly.adobe.com/"},
"origin": {"https://new.express.adobe.com"},
"referer": {"https://new.express.adobe.com/"},
"accept-language": {"en-US,en;q=0.9"},
"sec-ch-ua": {sess.fp.secCHUA},
"sec-ch-ua-mobile": {"?0"},
"sec-ch-ua-platform": {sess.fp.platform},
"sec-fetch-site": {"same-site"},
"sec-fetch-site": {"cross-site"},
"sec-fetch-mode": {"cors"},
"sec-fetch-dest": {"empty"},
"user-agent": {sess.fp.userAgent},
"x-arp-session-id": {buildARPSessionID(token)},
http.HeaderOrderKey: {
"authorization",
"x-api-key",
@@ -511,7 +486,6 @@ func (c *Client) submitImage(ctx context.Context, sess *tlsSession, token, promp
"sec-fetch-dest",
"user-agent",
"x-nonce",
"x-arp-session-id",
},
}
if nonce := buildSubmitNonce(token, prompt); nonce != "" {
@@ -531,9 +505,6 @@ func (c *Client) submitImage(ctx context.Context, sess *tlsSession, token, promp
if strings.EqualFold(resp.Header.Get("x-access-error"), "taste_exhausted") {
return respBody, "", ErrQuotaExhausted
}
if isPermanentAuthError(resp.Header.Get("x-access-error"), respBody) {
return respBody, "", fmt.Errorf("%w (submit %d %s: %s)", ErrAuthPermanent, resp.StatusCode, resp.Header.Get("x-access-error"), clip(respBody, 300))
}
return respBody, "", fmt.Errorf("%w (submit %d %s: %s)", ErrAuth, resp.StatusCode, resp.Header.Get("x-access-error"), clip(respBody, 300))
}
// "system under load" / timeout_error = adobe rate-limit/overload (can come on a
@@ -547,9 +518,6 @@ func (c *Client) submitImage(ctx context.Context, sess *tlsSession, token, promp
if resp.StatusCode == 429 || resp.StatusCode == 451 || resp.StatusCode >= 500 {
return respBody, "", ErrDeadUpstream
}
if strings.Contains(string(respBody), "access_error") {
return respBody, "", fmt.Errorf("%w (submit %d: %s)", ErrAuthPermanent, resp.StatusCode, clip(respBody, 300))
}
if resp.StatusCode != 200 {
return respBody, "", errors.New("submit rejected")
}
@@ -588,8 +556,8 @@ func (c *Client) pollImage(ctx context.Context, sess *tlsSession, token, pollURL
req.Header = http.Header{
"authorization": {"Bearer " + strings.TrimSpace(token)},
"accept": {"*/*"},
"origin": {"https://firefly.adobe.com"},
"referer": {"https://firefly.adobe.com/"},
"origin": {"https://new.express.adobe.com"},
"referer": {"https://new.express.adobe.com/"},
"user-agent": {sess.fp.userAgent},
http.HeaderOrderKey: {
"authorization",
@@ -599,7 +567,6 @@ func (c *Client) pollImage(ctx context.Context, sess *tlsSession, token, pollURL
"user-agent",
},
}
defer ReleasePID(token)
resp, err := sess.client.Do(req)
if err != nil {
@@ -669,17 +636,16 @@ func (c *Client) submitVideo(ctx context.Context, sess *tlsSession, token, endpo
"x-api-key": {c.apiKey},
"content-type": {"application/json"},
"accept": {"*/*"},
"origin": {"https://firefly.adobe.com"},
"referer": {"https://firefly.adobe.com/"},
"origin": {"https://new.express.adobe.com"},
"referer": {"https://new.express.adobe.com/"},
"accept-language": {"en-US,en;q=0.9"},
"sec-ch-ua": {sess.fp.secCHUA},
"sec-ch-ua-mobile": {"?0"},
"sec-ch-ua-platform": {sess.fp.platform},
"sec-fetch-site": {"same-site"},
"sec-fetch-site": {"cross-site"},
"sec-fetch-mode": {"cors"},
"sec-fetch-dest": {"empty"},
"user-agent": {sess.fp.userAgent},
"x-arp-session-id": {buildARPSessionID(token)},
http.HeaderOrderKey: {
"authorization",
"x-api-key",
@@ -696,7 +662,6 @@ func (c *Client) submitVideo(ctx context.Context, sess *tlsSession, token, endpo
"sec-fetch-dest",
"user-agent",
"x-nonce",
"x-arp-session-id",
},
}
// The working video submit (HAR) carries x-nonce just like the image submit.
@@ -720,9 +685,8 @@ func (c *Client) submitVideo(ctx context.Context, sess *tlsSession, token, endpo
if strings.EqualFold(resp.Header.Get("x-access-error"), "taste_exhausted") {
return respBody, "", ErrQuotaExhausted
}
if isPermanentAuthError(resp.Header.Get("x-access-error"), respBody) {
return respBody, "", fmt.Errorf("%w (%d %s: %s)", ErrAuthPermanent, resp.StatusCode, resp.Header.Get("x-access-error"), clip(respBody, 300))
}
// Surface Adobe's response body — "adobe auth failed" alone hides whether
// it's a bad token, a missing scope, or a WAF/fingerprint block.
return respBody, "", fmt.Errorf("%w (%d %s: %s)", ErrAuth, resp.StatusCode, resp.Header.Get("x-access-error"), clip(respBody, 300))
}
if isContentRejection(resp.StatusCode, string(respBody)) {
@@ -736,9 +700,6 @@ func (c *Client) submitVideo(ctx context.Context, sess *tlsSession, token, endpo
if b := string(respBody); strings.Contains(b, "system under load") || strings.Contains(b, "timeout_error") {
return respBody, "", ErrTemporaryUpstream
}
if strings.Contains(string(respBody), "access_error") {
return respBody, "", fmt.Errorf("%w (%d: %s)", ErrAuthPermanent, resp.StatusCode, clip(respBody, 300))
}
if resp.StatusCode != 200 {
return respBody, "", fmt.Errorf("video submit rejected: %d %s", resp.StatusCode, clip(respBody, 300))
}
@@ -777,8 +738,8 @@ func (c *Client) pollVideo(ctx context.Context, sess *tlsSession, token, pollURL
req.Header = http.Header{
"authorization": {"Bearer " + strings.TrimSpace(token)},
"accept": {"*/*"},
"origin": {"https://firefly.adobe.com"},
"referer": {"https://firefly.adobe.com/"},
"origin": {"https://new.express.adobe.com"},
"referer": {"https://new.express.adobe.com/"},
"user-agent": {sess.fp.userAgent},
http.HeaderOrderKey: {
"authorization",
@@ -788,7 +749,6 @@ func (c *Client) pollVideo(ctx context.Context, sess *tlsSession, token, pollURL
"user-agent",
},
}
defer ReleasePID(token)
resp, err := sess.client.Do(req)
if err != nil {
@@ -800,9 +760,6 @@ func (c *Client) pollVideo(ctx context.Context, sess *tlsSession, token, pollURL
return nil, nil, readErr
}
if resp.StatusCode == 401 || resp.StatusCode == 403 {
if isPermanentAuthError(resp.Header.Get("x-access-error"), body) {
return nil, nil, fmt.Errorf("%w (%d %s: %s)", ErrAuthPermanent, resp.StatusCode, resp.Header.Get("x-access-error"), clip(body, 300))
}
return nil, nil, fmt.Errorf("%w (%d %s: %s)", ErrAuth, resp.StatusCode, resp.Header.Get("x-access-error"), clip(body, 300))
}
if b := string(body); strings.Contains(b, "system under load") || strings.Contains(b, "timeout_error") {
@@ -971,20 +928,16 @@ type tlsSession struct {
// image-generation submit goes through the proxy; reference-image upload,
// polling and result download run on the local IP.
func (c *Client) newTLSClient() (*tlsSession, error) {
return c.newTLSSession(randomFingerprint(), true, 120)
return c.newTLSSession(randomFingerprint(), true)
}
func (c *Client) newDirectTLSClient() (*tlsSession, error) {
return c.newTLSSession(randomFingerprint(), false, 60)
return c.newTLSSession(randomFingerprint(), false)
}
func (c *Client) newUploadTLSClient() (*tlsSession, error) {
return c.newTLSSession(randomFingerprint(), false, 180)
}
func (c *Client) newTLSSession(fp fingerprint, useProxy bool, timeout int) (*tlsSession, error) {
func (c *Client) newTLSSession(fp fingerprint, useProxy bool) (*tlsSession, error) {
options := []tlsclient.HttpClientOption{
tlsclient.WithTimeoutSeconds(timeout),
tlsclient.WithTimeoutSeconds(60),
tlsclient.WithClientProfile(fp.profile),
tlsclient.WithNotFollowRedirects(),
tlsclient.WithRandomTLSExtensionOrder(),
@@ -1023,8 +976,8 @@ func exchangeCookieWithTLSClient(ctx context.Context, sess *tlsSession, cookie s
"accept-language": {"zh-CN,zh;q=0.9"},
"content-type": {"application/x-www-form-urlencoded;charset=UTF-8"},
"cookie": {cookie},
"origin": {"https://firefly.adobe.com"},
"referer": {"https://firefly.adobe.com/"},
"origin": {"https://new.express.adobe.com"},
"referer": {"https://new.express.adobe.com/"},
"user-agent": {sess.fp.userAgent},
http.HeaderOrderKey: {
"accept",