CalvinBackup/SpotiFLAC-Mobile
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feat: add extension system with skipBuiltInFallback support

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- Add extension manager, manifest, runtime, providers, settings
- Add extension provider and UI pages (extensions, detail, priority)
- Add download service picker widget
- Add metadata provider priority page
- Add source field to Track model for extension tracking
- Add skipBuiltInFallback manifest option to skip built-in providers
- Update download queue to use source extension first
- Add extension upgrade support without data loss
This commit is contained in:
zarzet
2026-01-12 00:17:52 +07:00
parent 24ef66be4c
commit 57cb575483
45 changed files with 10491 additions and 1018 deletions
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go_backend/httputil.go
+55 -56
View File
@@ -22,12 +22,12 @@ import (
func getRandomUserAgent() string {
// Windows 10/11 Chrome format - same as PC version for maximum compatibility
// Some APIs may block mobile User-Agents, so we use desktop format
winMajor := rand.Intn(2) + 10 // Windows 10 or 11
chromeVersion := rand.Intn(25) + 100 // Chrome 100-124
winMajor := rand.Intn(2) + 10 // Windows 10 or 11
chromeVersion := rand.Intn(25) + 100 // Chrome 100-124
chromeBuild := rand.Intn(1500) + 3000 // Build 3000-4500
chromePatch := rand.Intn(65) + 60 // Patch 60-125
chromePatch := rand.Intn(65) + 60 // Patch 60-125
return fmt.Sprintf(
"Mozilla/5.0 (Windows NT %d.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%d.0.%d.%d Safari/537.36",
winMajor,
@@ -39,46 +39,48 @@ func getRandomUserAgent() string {
// getRandomMacUserAgent generates a random Mac Chrome User-Agent string
// Alternative format matching referensi/backend/spotify_metadata.go exactly
func getRandomMacUserAgent() string {
macMajor := rand.Intn(4) + 11 // macOS 11-14
macMinor := rand.Intn(5) + 4 // Minor 4-8
webkitMajor := rand.Intn(7) + 530
webkitMinor := rand.Intn(7) + 30
chromeMajor := rand.Intn(25) + 80
chromeBuild := rand.Intn(1500) + 3000
chromePatch := rand.Intn(65) + 60
safariMajor := rand.Intn(7) + 530
safariMinor := rand.Intn(6) + 30
return fmt.Sprintf(
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_%d_%d) AppleWebKit/%d.%d (KHTML, like Gecko) Chrome/%d.0.%d.%d Safari/%d.%d",
macMajor,
macMinor,
webkitMajor,
webkitMinor,
chromeMajor,
chromeBuild,
chromePatch,
safariMajor,
safariMinor,
)
}
// Kept for potential future use
// func getRandomMacUserAgent() string {
// macMajor := rand.Intn(4) + 11 // macOS 11-14
// macMinor := rand.Intn(5) + 4 // Minor 4-8
// webkitMajor := rand.Intn(7) + 530
// webkitMinor := rand.Intn(7) + 30
// chromeMajor := rand.Intn(25) + 80
// chromeBuild := rand.Intn(1500) + 3000
// chromePatch := rand.Intn(65) + 60
// safariMajor := rand.Intn(7) + 530
// safariMinor := rand.Intn(6) + 30
//
// return fmt.Sprintf(
// "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_%d_%d) AppleWebKit/%d.%d (KHTML, like Gecko) Chrome/%d.0.%d.%d Safari/%d.%d",
// macMajor,
// macMinor,
// webkitMajor,
// webkitMinor,
// chromeMajor,
// chromeBuild,
// chromePatch,
// safariMajor,
// safariMinor,
// )
// }
// getRandomDesktopUserAgent randomly picks between Windows and Mac User-Agent
func getRandomDesktopUserAgent() string {
if rand.Intn(2) == 0 {
return getRandomUserAgent() // Windows
}
return getRandomMacUserAgent() // Mac
}
// Kept for potential future use
// func getRandomDesktopUserAgent() string {
// if rand.Intn(2) == 0 {
// return getRandomUserAgent() // Windows
// }
// return getRandomMacUserAgent() // Mac
// }
// Default timeout values
const (
DefaultTimeout = 60 * time.Second // Default HTTP timeout
DownloadTimeout = 120 * time.Second // Timeout for file downloads
SongLinkTimeout = 30 * time.Second // Timeout for SongLink API
DefaultMaxRetries = 3 // Default retry count
DefaultRetryDelay = 1 * time.Second // Initial retry delay
DefaultTimeout = 60 * time.Second // Default HTTP timeout
DownloadTimeout = 120 * time.Second // Timeout for file downloads
SongLinkTimeout = 30 * time.Second // Timeout for SongLink API
DefaultMaxRetries = 3 // Default retry count
DefaultRetryDelay = 1 * time.Second // Initial retry delay
)
// Shared transport with connection pooling to prevent TCP exhaustion
@@ -96,9 +98,9 @@ var sharedTransport = &http.Transport{
ExpectContinueTimeout: 1 * time.Second,
DisableKeepAlives: false, // Enable keep-alives for connection reuse
ForceAttemptHTTP2: true,
WriteBufferSize: 64 * 1024, // 64KB write buffer
ReadBufferSize: 64 * 1024, // 64KB read buffer
DisableCompression: true, // FLAC is already compressed
WriteBufferSize: 64 * 1024, // 64KB write buffer
ReadBufferSize: 64 * 1024, // 64KB read buffer
DisableCompression: true, // FLAC is already compressed
}
// Shared HTTP client for general requests (reuses connections)
@@ -184,15 +186,15 @@ func DoRequestWithRetry(client *http.Client, req *http.Request, config RetryConf
resp, err := client.Do(reqCopy)
if err != nil {
lastErr = err
// Check for ISP blocking on network errors
if CheckAndLogISPBlocking(err, requestURL, "HTTP") {
// Don't retry if ISP blocking is detected - it won't help
return nil, WrapErrorWithISPCheck(err, requestURL, "HTTP")
}
if attempt < config.MaxRetries {
GoLog("[HTTP] Request failed (attempt %d/%d): %v, retrying in %v...\n",
GoLog("[HTTP] Request failed (attempt %d/%d): %v, retrying in %v...\n",
attempt+1, config.MaxRetries+1, err, delay)
time.Sleep(delay)
delay = calculateNextDelay(delay, config)
@@ -227,13 +229,13 @@ func DoRequestWithRetry(client *http.Client, req *http.Request, config RetryConf
body, _ := io.ReadAll(resp.Body)
resp.Body.Close()
bodyStr := strings.ToLower(string(body))
// Check if response looks like ISP blocking page
ispBlockingIndicators := []string{
"blocked", "forbidden", "access denied", "not available in your",
"restricted", "censored", "unavailable for legal", "blocked by",
}
for _, indicator := range ispBlockingIndicators {
if strings.Contains(bodyStr, indicator) {
LogError("HTTP", "ISP BLOCKING DETECTED via HTTP %d response", resp.StatusCode)
@@ -267,10 +269,7 @@ func DoRequestWithRetry(client *http.Client, req *http.Request, config RetryConf
// calculateNextDelay calculates the next delay with exponential backoff
func calculateNextDelay(currentDelay time.Duration, config RetryConfig) time.Duration {
nextDelay := time.Duration(float64(currentDelay) * config.BackoffFactor)
if nextDelay > config.MaxDelay {
nextDelay = config.MaxDelay
}
return nextDelay
return min(nextDelay, config.MaxDelay)
}
// getRetryAfterDuration parses Retry-After header and returns duration
@@ -481,7 +480,7 @@ func extractDomain(rawURL string) string {
if rawURL == "" {
return "unknown"
}
parsed, err := url.Parse(rawURL)
if err != nil {
// Try to extract domain manually
@@ -492,7 +491,7 @@ func extractDomain(rawURL string) string {
}
return rawURL
}
if parsed.Host != "" {
return parsed.Host
}
@@ -505,11 +504,11 @@ func WrapErrorWithISPCheck(err error, requestURL string, tag string) error {
if err == nil {
return nil
}
if CheckAndLogISPBlocking(err, requestURL, tag) {
domain := extractDomain(requestURL)
return fmt.Errorf("ISP blocking detected for %s - try using VPN or change DNS to 1.1.1.1/8.8.8.8: %w", domain, err)
}
return err
}